Department Of Pulmonary Medicine Research Articles

[Clinical characteristics of hospitalized children with respiratory syncytial virus infection and risk prediction of severe illness during the post-COVID-19 era in Kunming].

Objective: To compare the epidemiological and clinical characteristics of hospitalized children with respiratory syncytial virus (RSV) infection in Kunming among the pre-and post-COVID-19 era, and to establish a prediction model for severe RSV infection in children during the post-COVID-19 period. Methods: This was a retrospective study. Clinical and laboratory data were collected from 959 children hospitalized with RSV infection in the Department of Pulmonary and Critical Care Medicine at Kunming Children's Hospital during January to December 2019 and January to December 2023. Patients admitted in 2019 were defined as the pre-COVID-19 group, while those admitted in 2023 were classified as the post-COVID-19 group. Epidemiological and clinical characteristics were compared between the two groups. Subsequently, comparison of the clinical severity among the two groups was performed based on propensity score matching (PSM). Furthermore, the subjects in the post-COVID-19 group were divided into severe and non-severe groups based on clinical severity. Chi-square test and Mann-Whitney U test were used for pairwise comparison between groups, and multivariate Logistic regression was applied for the identification of independent risk factors and construction of the prediction model. The receiver operating characteristic (ROC) curve and calibration curve were employed to evaluate the predictive performance of this model. Results: Among the 959 children hospitalized with RSV infection, there were 555 males and 404 females, with an onset age of 15.4 (7.3, 28.5) months. Of which, there were 331 cases in the pre-COVID-19 group and 628 cases in the post-COVID-19 group. The peak period of RSV hospitalization in the post-COVID-19 group were from May to October 2023, and the monthly number of inpatients for each of these months were as follows: 72 cases (11.5%), 98 cases (15.6%), 128 cases (20.4%), 101 cases (16.1%), 65 cases (10.4%), and 61 cases (9.7%), respectively. After PSM for general data, 267 cases were matched in each group. The proportion of wheezing in the post-COVID-19 group was lower than that in the pre-COVID-19 group (109 cases (40.8%) vs. 161 cases (60.3%), χ2=20.26, P<0.001), while the incidences of fever, tachypnea, seizures, severe case, neutrophil-to-lymphocyte ratio (NLR), C-reactive protein and interleukin-6 levels were all higher than those in the pre-COVID-19 group (146 cases (54.7%) vs. 119 cases (44.6%), 117 cases (43.8%) vs. 89 cases (33.3%), 37 cases (13.9%) vs. 14 cases (5.2%), 69 cases (25.8%) vs. 45 cases (16.9%), 3.6 (1.9, 6.4) vs. 2.3 (1.8, 4.6), 9.9 (7.1, 15.2) vs. 7.8 (4.5, 13.9) mg/L, 20.5 (15.7, 30.4) vs. 17.2 (11.0, 26.9) ng/L, χ2=5.46, 6.36, 11.47, 6.42, Z=4.13, 3.06, 2.96, all P<0.05). There were 252 cases and 107 cases with co-infection in the post-and pre-COVID-19 groups, respectively. The proportion of triple and quadruple infection in the post-COVID-19 group was higher than that in the pre-COVID-19 group (59 cases (23.4%) vs. 13 cases (12.1%), 30 cases (11.9%) vs. 5 cases (4.7%), χ2=5.94, 4.46, both P<0.05). Among the 252 cases with co-infection in post-COVID-19 group, the most prevalent pathogens involving in co-infections, in order, were Mycoplasma pneumoniae 56 cases (22.2%), Influenza A virus 53 cases (21.0%), Rhinovirus 48 cases (19.0%), Parainfluenza virus 35 cases (13.9%), and Adenovirus 28 cases (11.1%).The result of multivariate Logistic regression showed that age (OR=0.70, 95%CI 0.62-0.78, P<0.001), underlying diseases (OR=10.03, 95%CI 4.10-24.55, P<0.001), premature birth (OR=6.78, 95%CI 3.53-13.04, P<0.001), NLR (OR=1.85, 95%CI 1.09-3.15, P=0.023), and co-infection (OR=1.28, 95%CI 1.18-1.38, P<0.001) were independently associated with the development of severe RSV infection in the post-COVID-19 group. The ROC curve of the prediction model integrating the above five factors indicated an area under the curve of 0.85 (95%CI 0.80-0.89, P<0.001), with an optimal cutoff of 0.21, a sensitivity of 0.83 and a specificity of 0.80. The calibration curve showed that the predicted probability in this model did not differ significantly from the actual probability (P=0.319). Conclusions: In the post-COVID-19 era in Kunming, the peak in pediatric hospitalizations for RSV infection was from May to October, with declined incidence of wheezing and increased incidence of fever, tachypnea, seizures, severe cases, and rates of triple and quadruple co-infections. Age, underlying diseases, premature birth, NLR, and co-infection were identified as independent risk factors for severe RSV infection in the post-COVID-19 period. In this study, a risk prediction model for severe pediatric RSV infection was established, which had a good predictive performance.

Stressors, emotions, and social support systems among respiratory nurses during the Omicron outbreak in China: a qualitative study

BackgroundRespiratory nurses faced tremendous challenges when the Omicron variant spread rapidly in China from late 2022 to early 2023. An in-depth understanding of respiratory nurses’ experiences during challenging times can help to develop better management and support strategies. The present study was conducted to explore and describe the work experiences of nurses working in the Department of Pulmonary and Critical Care Medicine (PCCM) during the Omicron outbreak in China.MethodsThis study utilized a descriptive phenomenological method. Between January 9 and 22, 2023, semistructured and individual in-depth interviews were conducted with 11 respiratory nurses at a tertiary hospital in Wuhan, Hubei Province. A purposive sampling method was used to select the participants, and the sample size was determined based on data saturation. The data analysis was carried out using Colaizzi’s method.ResultsThree themes with ten subthemes emerged: (a) multiple stressors (intense workload due to high variability in COVID patients; worry about not having enough ability and energy to care for critically ill patients; fighting for anxious clients, colleagues, and selves); (b) mixed emotions (feelings of loss and responsibility; feelings of frustration and achievement; feelings of nervousness and security); and (c) a perceived social support system (team cohesion; family support; head nurse leadership; and the impact of social media).ConclusionNursing managers should be attentive to frontline nurses’ needs and occupational stress during novel coronavirus disease 2019 (COVID-19) outbreaks. Management should strengthen psychological and social support systems, optimize nursing leadership styles, and proactively consider the application of artificial intelligence (AI) technologies and products in clinical care to improve the ability of nurses to effectively respond to future public health crises.

Pulmonary hypertension in newly diagnosed obstructive sleep apnea-chronic obstructive pulmonary disease overlap syndrome patients attending a tertiary care centre-a cross-sectional analysis.

Overlap syndrome is the association of obstructive sleep apnea (OSA) with chronic obstructive pulmonary disorder and with other chronic respiratory diseases. Patients with overlap syndrome have a worse prognosis compared with chronic obstructive pulmonary disorder or OSA alone. Additionally, patients with combined chronic obstructive pulmonary disorder and OSA are more likely to develop pulmonary hypertension and right heart failure much earlier than those without overlap. To assess the occurrence of pulmonary hypertension (PH) in newly diagnosed OSA-chronic obstructive pulmonary disorder overlap syndrome patients attending a tertiary care centre. This cross-sectional study was conducted at Department of Pulmonary Medicine, Government Medical College, Kozhikode, Kerala, South India, among patients with OSA above 40years of age who were proactively evaluated to pick out those with undiagnosed overlap. A period of 6months after getting ethical clearance from June 2018 was selected as the study period. Among patients with symptoms suggestive of OSA above 40years of age who gave the informed consent were enrolled after screening with Standard Sleep questionnaires (Berlin questionnaire, STOP BANG and Epworth Sleepiness Scale). Enrolled patients underwent routine spirometry and sleep study using the standard Level 1 overnight polysomnography (Level1 OPSG). Patients were classified in to two groups as OSA patients (group I), having an apnea hypopnea index (AHI) > 5/hr alone and the second group as those OSA patients (group II), with an obstructive spirometry pattern who were the overlap group. Arterial blood gas analysis (a sample of radial arterial blood was drawn with the patient awake and supine, and was analyzed for pH, PaCO2 and PaO2) and echocardiography (ECHO) of the two groups were compared as a non-invasive method to assess pulmonary artery hypertension and results were analyzed in a systematic manner. Among the 84 patients enrolled, 16.7% had overlap syndrome and the rest had OSA alone. Statistically significant higher mean weight and BMI for those with overlap syndrome compared to the OSA group were observed. Mean FVC (forced vital capacity), FEV1 (forced expiratory volume 1s), and FEV1/FVC were lower in those with overlap syndrome compared to OSA group. The mean values of ABG parameters revealed higher PaCO2 and lower PaO2 among the group with overlap syndrome which were statistically significant. However, there was no significant difference in resting room air SaO2 value between the two groups. The mean values of sleep duration and efficiency were significantly lower in those with overlap syndrome with a p value < 0.001. The mean value of arousal and REM (rapid eye movement) sleep percentage were significantly higher among those with overlap syndrome (p < 0.001). Mean value of NREM (non-rapid eye movement) sleep percentage was lower among the group with overlap syndrome compared with the OSA group, and this difference was statistically significant. The mean AHI value of the overlap syndrome group was 39.79 ± 7.54 and this was significantly higher than the OSA group (p < 0.004). Among the 14 patients who had ECHO evidence of pulmonary hypertension, 9 (64.3%) belonged to the overlap group which shows that they are a highly vulnerable group for developing pulmonary hypertension (PH) and requires early detection and more rigorous treatment. This study confirms that OSA patients with modest daytime level of hypoxemia and mild-moderate chronic airflow limitation have a high prevalence of PH. Chronic airway obstruction may be asymptomatic in some subjects and this stresses the necessity of pulmonary function test in OSA.

A study to Monitor Adverse drug reactions in a patients of Chronic Obstructive pulmonary Disease

Background: Inappropriate drug usage may preclude ideal benefit due to increased medical cost, adverse effects and mortality. Therefore drug utilization studies have become a plausible means in evaluating the healthcare systems. COPD management usually involves more than one drug which may escalate the risk of ADEs (adverse drug events). The present study aimed at assessing the current drug practice and ADEs in COPD management in ICU. Material and Methods: A prospective, single centered, observational and open labeled study was carried out in Department of Pulmonary Medicine and Pharmacology, Tertiary Care Teaching Hospital. The patient population was broadly divided into four categories based on diagnosis ‑ chronic obstructive pulmonary disease, Infections, Asthma and Others. Suspected ADRs were reported, analyzed, and causality assessment was carried out using Naranjo’s algorithm scal0065. Results: In our study, most important causative drug was Budesonide (11.1%). Causality assessment of ADR by Naranjo’s algorithm showed 11.9% probable and 88.1% possible reactions. According to WHO-UMC scale, 85.9% reactions are possible, 11.1% are probable, and 3% are unlikely. Among the 270 ADR reported, the most common ADR was oral thrush which accounted for 11.1% (n = 30) of the reported cases, followed by palpitation 11.1% (n = 30), sore throat 20 (7.4%), dizziness 17 (6.3%) cases, and headache 20 (7.4%) of reported ADR cases. Conclusion: Many research have been conducted separately on various respiratory diseases such as COPD, tuberculosis, asthma, respiratory tract infections (upper/lower), and so on. However, this study included some of the most common diseases in this field, such as COPD, tuberculosis, and respiratory tract infections. A routine patient follow-up is needed for the early detection and prevention of ADRs in order to improve patient adherence to drug therapy and provide improved drug therapy by avoiding associated morbidity and mortality.

Comparison of Pneumonia-specific Scores, Sepsis Score and Generic Score in Predicting the Severity of Community-acquired Pneumonia: A Cross-sectional Study

Introduction: Pneumonia is defined as inflammation of the pulmonary parenchyma caused by an infectious agent. Community-acquired Pneumonia (CAP) is a heterogeneous disease with a significant disease burden, morbidity, and mortality. Severe Community-acquired Pneumonia (SCAP) has been proven to be associated with increased Intensive Care Unit (ICU) admission, mechanical ventilation, and mortality. Although several severity assessment tools are available, there is a lack of evidence to support one tool over another in patients with pneumonia. Aim: To compare the ability of pneumonia-specific scores {{Confusion, Urea, Respiratory rate, Blood pressure (CURB)- 65 and Expanded CURB-65)}, Sepsis score {quick Sepsisrelated Organ Failure Assessment (qSOFA)}, and Generic score {National Early Warning Score (NEWS)} in predicting SCAP patients at the time of hospital admission. Materials and Methods: This was a hospital-based crosssectional study conducted in the Department of Pulmonary Medicine, Government Hospital for Chest and Communicable Diseases, Andhra Medical College, Visakhapatnam, India, on 100 patients with clinically and radiologically diagnosed CAP over a period of six months from April 2023 to September 2023 after obtaining Institutional ethics clearance and informed consent. All four severity scores (CURB-65, eCURB-65, qSOFA, NEWS) were documented in each patient at the time of admission. Outcomes such as 30-day mortality and ICU admission were measured. Receiver Operating Characteristic (ROC) curve analysis was performed for mortality prediction and ICU admission for all four scoring systems, and statistical analysis was carried out using Statistical Packages for Social Sciences (SPSS) version 24.0. Results: Out of 100 patients, 62 (62%) were males, and the remaining 38 (38%) were females with a mean age of 56±15 years. The number of patients with co-morbidities was 48 (48%). Regarding addictive habits, smoking and alcohol played a significant role at 38% and 33%, respectively. A 30- day mortality was observed in 18 (18%) patients, and 20 (20%) patients received ICU treatment. The frequency of patients with co-morbidities such as Diabetes Mellitus (DM), Hypertension (HTN), Ischaemic Heart Disease (IHD), and Chronic Obstructive Pulmonary Disease (COPD) was 21%, 33%, 5%, and 3%, respectively. For ICU admission as an outcome measure, the Area Under Receiver Operating Characteristics (AUROC) values were as follows: CURB-65: 0.977 (95% CI: 0.949-1.00, p-value &lt;0.001); Expanded CURB-65: 0.966 (95% CI: 0.931-1.00, p-value &lt;0.001); qSOFA: 0.935 (95% CI: 0.881-0.989, p-value &lt;0.001); NEWS score: 0.967 (95% CI: 0.934-1.00, p-value &lt;0.001). Conclusion: In the present study, all four scoring systems were equally effective in detecting the need for ICU admission and predicting 30-day mortality among CAP patients at the time of admission. However, organ-specific tools (CURB-65 (2-3) moderate) have demonstrated valid and effective means of assessing severity compared to sepsis scores and generic tools.

Diagnostic Stability of Single Spirometry Compared to Repeat Spirometry for Airway Obstruction in Suspected COPD Patients: A Cross-sectional Study

Introduction: Obstructive airway diseases are a leading cause of respiratory morbidity and mortality worldwide, particularly Chronic Obstructive Lung Disease (COPD). The diagnosis of COPD is confirmed by a post-bronchodilator ratio of Forced Expiratory Volume in the first second (FEV1) to Forced Vital Capacity (FVC), i.e., FEV1/FVC &lt;0.7. A repeat spirometry shows variability in a significant population. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines recommends repeating spirometry on a separate occasion if the post-bronchodilator FEV1/FVC is between 0.6 and 0.8. Aim: To determine the proportion of patients with diagnostic stability in the FEV1/FVC ratio after two weeks. Materials and Methods: This study was a cross-sectional study conducted in the Department of Pulmonary Medicine, Government Medical College, Thiruvananthapuram, Kerala, India from January 2019 to December 2019. in which 155 clinically suspected COPD patients with an FEV1/FVC ratio between 0.6 and 0.8 were recruited. A repeat spirometry was conducted two weeks later. The two post-bronchodilator FEV1/FVC ratios were compared, and the proportion of patients with diagnostic stability was determined. Fisher’s-exact test and Pearson's Chisquare test were used to compare categorical variables between groups. The statistical significance of differences between means of variables among different independent groups was analysed using independent sample t-tests. A p-value &lt;0.05 was considered statistically significant. Results: The mean age of the study population was 63.02±9.80 years. In present study, 118 (76.13%) out of 155 patients had stability in diagnosis, while 37 (23.87%) patients experienced a change in their diagnosis after repeat spirometry. The use of Inhaled Corticosteroids (ICS) and a history of Coronary Artery Disease (CAD) were associated with diagnostic instability (p&lt;0.05). Conclusion: In present study, 23.87% experienced a change in their diagnosis after repeat spirometry. Hence, repeat spirometry should be done on a separate occasion as suggested by GOLD guidelines in patients with FEV1/FVC ratios between 0.6 and 0.8.

Predictors of Response to Chemotherapy in Patients with Advanced Non-small Cell Lung Cancer: A Prospective Cohort Study

Introduction: Lung cancer carries the highest cancer-related mortality rates worldwide. Despite all recent advances, the mortality from lung cancer is still rising. A better understanding of the risk factors may help us predict responses to chemotherapy for better management. Aim: To evaluate predictors of response to chemotherapy in advanced Non-Small Cell Lung Cancer (NSCLC) patients. Materials and Methods: This was a prospective cohort study conducted in the Department of Pulmonary Medicine at Government Medical College and Hospital, Chandigarh, India. A total of 60 confirmed cases of advanced (stage IIIB and IV) NSCLC patients were enrolled consecutively for a duration of two years. Baseline clinical parameters, routine blood tests, spirometry, exercise capacity using the 6 Minute Walk Test Distance (6MWTD), and Computed Tomography (CT)-based tumour size were recorded. Certain pre-defined patient, disease, and therapy-related factors (age, gender, dyspnoea, baseline blood tests, tumour size, histology, etc.) were evaluated for their possible role as predictors of treatment response in advanced NSCLC patients. A positive response was defined if the response to chemotherapy was Complete Response (CR) or Partial Response (PR), and a negative response if the response was Progressive Disease (PD) or Stable Disease (SD) as per revised RECIST (Response evaluation criteria in solid tumors) 1.1 criteria. Variables between the two groups were compared using the Mann-Whitney U test and Chi-square test. To find out the factors that may predict response to treatment, univariate and multivariate logistic regression analysis were used. Results: Out of a total of 60 confirmed cases of NSCLC patients, only 40 patients were able to complete the four cycles of chemotherapy. The mean age of the patients was 58.5±9.6 years. There were a total of 35 males (87.5%) and five females (12.5%) in the study. Out of 40 patients, 27 (67.5%) had squamous cell carcinoma and 13 (32.5%) had adenocarcinoma. On univariate analysis, Neutrophil-Lymphocyte Ratio (NLR) had a statistically significant association with tumour response (p&lt;0.001). On multivariate analysis, advanced age (p=0.05) and high (&gt;3.81) NLR (p=0.002) were found as independent predictors of poor response to chemotherapy. Conclusion: Pre-treatment high NLR and advanced age are significant factors for a poor response to chemotherapy treatment in advanced NSCLC patients.

Safety and Efficacy of Nebulised Dexmedetomidine as an Adjuvant to Topical Anaesthesia in Patients Undergoing Endobronchial Ultrasound under Moderate Sedation: A Randomised Double-blinded Controlled Study

Introduction: Anaesthetic sedatives are widely used for bronchoscopy and Endobronchial Ultrasound (EBUS) to ensure patient cooperation and minimise patient discomfort. Dexmedetomidine is an α2 adrenergic agonist used for sedation. Aim: To evaluate the safety and efficacy of nebulised dexmedetomidine in EBUS. Materials and Methods: In this randomised doubleblinded controlled study, conducted in the Department of Anaesthesiology and Pulmonary Medicine at Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India from 2020 to 2022, 52 patients aged between 18 and 70 years undergoing EBUS were included. Patients were randomly assigned to the study group (S) and the control group (C). Group C received nebulised lidocaine (2%) 10 mL for 10- 15 minutes in a sitting position. Group S received nebulised lidocaine (2%) 8 mL + Dexmedetomidine 2 mL (1 mcg/kg) for 10-15 minutes in a sitting position. Haemodynamic parameters, cough severity scores, patient and operator satisfaction scores, Midazolam requirements, and any complications were recorded and compared. The data were analysed statistically using the Student’s t-test and Chi-square test, whichever was feasible. A p-value of &lt;0.05 was considered statistically significant. Results: The demographic parameters including the mean age (years) of 46.3±14.01 in Group C vs. 44.5±14.35 in Group S, mean weight (kg) of 61.6±8.27 in Group C vs. 63.5±10.06 in Group S, and male/female ratio of 12/14 in Group C vs. 9/17 in Group S were comparable. Haemodynamic parameters were better postnebulisation in Group S compared to Group C. The authors observed that the incidence of coughing was significantly higher in Group C compared to Group S (73.1% vs. 46.2%). It was found that Group C had a significantly higher requirement for midazolam doses compared to Group S (53.8% vs. 19.2%). When the patient satisfaction score assessed on the Numerical Rating Scale (NRS) was analysed, it was found that Group S patients were highly satisfied compared to Group C patients, and the difference was highly significant (p-value &lt;0.05). No drug or procedure-related complications were observed in the two groups. Conclusion: The present study demonstrated that nebulised dexmedetomidine-lidocaine was well-tolerated during bronchoscopies under moderated sedation and was associated with stable Haemodynamics, decreased incidence of severe coughing, and a lower consumption of sedation drugs.

A Study on Anti-Tubercular Drug Resistance Pattern in a Tertiary Care Hospital

Background: Tuberculosis is one of the oldest infectious diseases known to mankind. Archaeological evidences from ancient civilizations have shown the existence of tuberculosis in the prehistoric era. Even though effective chemotherapy for tuberculosis has been available for decades, tuberculosis still remains as a public health challenge all over the world. Over the years not only the medical implications but also the social and economic impact of tuberculosis has been enormous. AIM: To measure anti-tubercular drug resistance pattern at S.V.S. Medical College and Hospital, Mahabubnagar District. Material &amp; Methods: Prospective hospital based observational study. The study was carried out in the Department of Pulmonary Medicine, S.V.S Medical College and Hospital, Enugonda, Mahbubnagar. Mar. 2021 – Feb. 2022. Patients with both Pulmonary and Extra pulmonary tuberculosis who were attending to the study facility. study consisted of 50 subjects. 1.Collection of samples (sputum, bronchial wash, pleural fluid, synovial fluid &amp; lymph node tissue). 2. Staining method was done by Fluorescence microscopy staining procedure. 3.Grading of the slide as per WHO. 4. Culture &amp; DST was done on L-J medium and Proportionate method. Results: Among the resistant cases, isolated R resistance was observed in 10 cases (33.3%), R with H was observed in 12 cases (40%), R with S was observed in 2 cases (6.66%), R with H, S &amp; Lfx was observed in 2 cases (6.66%) and R with H &amp; S was observed in 1 case (3.33%). Conclusion: The study demonstrates that levels of R, MDR &amp; XDR are more than expected levels when compared with other studies conducted in India as per global DRS guidelines. In view of these results, Multidrug resistance continues to be a serious problem in Mahbubnagar District of TELANGANA. R resistance can be considered as a surrogate marker for MDR-TB. On the basis of these results, it is now necessary to conduct more DRS in much larger population.

[Rehabilitation for Post-COVID Syndrome covered by the German Pension Insurance in 2021].

The present work is intended to give an overview of rehabilitation of patients with post COVID-19 condition covered by the German Pension Insurance in 2021. Cross-sectional analysis of medical rehabilitation completed in 2021, in which COVID-19 sequelae were coded in first or second place in the uniform discharge report according to the International Statistical Classification of Diseases and Related Health Problems was carried out. The codes U08(.9), U09(.9) and U10(.9) as well as the corresponding codes from 2020 were taken into the evaluation as COVID-19-related diseases. Children's rehabilitation and oncological rehabilitation for pensioners and their relatives were excluded. Statistically, relative and absolute frequencies are given for nominal and ordinal variables, and median and quartiles for continuous, skewed distributed variables. 9,666 rehabilitations with one of the codes mentioned in first or second place remained. 54.8% of the patients were women and 43.2% men. The median age was 54 and 55 years (women/men). In all, 64.4% of the rehabilitations were carried out in the pulmonary medicine department. Owing to somatic indications, almost 50% of these patients in rehabilitation remained in the clinic beyond the regular approval period. The most common other diagnoses were diseases of the respiratory system. In 80.7% of those affected, the treating physicians considered the post-COVID-19 condition-associated symptoms as improved through rehabilitation. Furthermore, employment was subject to social security contributions for 88.0% of these patients, and 30.5% were employed in the fields of health, social affairs, teaching, and education. Of those affected, 63.8% were on sick leave when they were admitted, 63.0% when they were discharged. With regard to performance in the last job or on the general job market, over 90.0% received a prognosis for 6 hours and more. The importance of post-COVID-19 condition in the context of medical rehabilitation increased significantly over the course of 2021. The disease causes long periods of disability. With regard to performance, the available analyses give a positive picture; only 6.5% of those individuals undergoing rehabilitation were assessed as having a reduced capacity to earn of less than 3 hours on the general labor market.

[Esophageal dysmotility detection in patients with gastroesophageal reflux-related cough and its influence on the efficacy of anti-reflux therapy].

Objective: To investigate the characteristics of esophageal dysmotility in patients with an initial diagnosis of acid/non-acid gastroesophageal reflux-related cough (GERC), and its correlation with the therapeutic response to anti-reflux treatments to search for the useful indicators to screen patients with chronic cough suitable for anti-reflux therapy. Methods: A total of 173 patients with suspicious GERC who attended the Chronic Cough Specialist Clinic of Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University between June 2020 and December 2022 were retrospectively selected for the study. The age of the patients was (45.1±14.6) years old, including 87 males and 86 females. Their demographic characteristics, clinical manifestations, and the results of high-resolution manometry (HRM) and multichannel intraluminal impedance-pH monitoring (MII-pH) were collected. Information on the etiological identification process and final diagnosis was also recorded. The recruited cases were grouped according to therapeutic outcomes and divided into cases with a favourable response to conventional anti-reflux treatment, cases with a favourable response to intensified anti-reflux treatment, and cases with no response to anti-reflux treatment. Factors influencing the efficacy of anti-reflux treatment were investigated. Differences between groups were compared using the χ2 test, Student-Newman-Keuls test, and Kruskal-Wallis H(K) test, where applicable. Logistic regression analysis using forward stepwise regression based on maximum likelihood estimation was used to screen for influence factors. Results: The 175 patients with suspicious GERC included 45 (26.0%) patients who responded to conventional anti-reflux treatment, 54 (31.2%) who responded to intensified anti-reflux treatment and 74 (42.8%) who did not respond to anti-reflux therapies. Esophageal dysmotility was present in 52.0% of patients (90/173), but was less common in patients who responded to conventional anti-reflux treatment (χ2=8.09, P=0.018). Although the majority of reflux episodes were non-acid (136/173, 78.6%), the proportion of acid reflux (χ2=19.49, P<0.001) and acid exposure time (H=11.04, P=0.004) were significantly higher in patients who responded to conventional anti-reflux treatment. The patients with acid and non-acid GERC had comparable proportion of esophageal dysmotility (64.9% vs. 48.5%, χ2=3.11, P=0.078), with a shorter break [2.4 (0.7, 5.6) cm vs. 6.1 (1.4, 10.0) cm, Z=-2.39, P=0.017], longer upper esophageal sphincter [(4.1±0.9) cm vs. (3.7±1.3) cm, t=-2.09, P=0.038], higher percentage of normal esophageal contractions [60.0% (17.8%, 90.0%) vs. 30.0% (0, 80.0%), Z=-2.14, P=0.032], and lower percentage of large break [10.0% (0, 40.0%) vs. 50.0% (0, 100.0%), Z=-2.92, P=0.004] in the patients with non-acid GERC. The mean resting pressure of the lower esophageal sphincter was significantly lower (H=7.49, P=0.024), while the percentage of ineffective esophageal contractions was markedly higher (H=8.60, P=0.014) in the patients who responded to intensified anti-reflux treatment and in the patients who did not respond to the anti-reflux therapies. Multifactorial logistic regression analysis identified the percentage of ineffective contraction as an independent factor predicting the efficacy of conventional anti-reflux treatment, with a cut-off value of≤45% and a moderate predictive value (AUC=0.67, P=0.004). Conclusions: Esophageal dysmotility is common in GERC patients with different characteristics in acid and non-acid GERC. The percentage of ineffective esophageal contraction may be a useful indicator for selecting an anti-reflux strategy and predicting treatment outcomes.

DIAGNOSTIC YIELD OF ADA IN TUBERCULAR PLEURAL EFFUSION

Objective: Tuberculosis (TB) is one of the most common causes of pleural effusion in developing countries like India encountered by medical professionals globally. The present study was carried out to evaluate the diagnostic yield of pleural fluid adenosine deaminase (ADA) in tubercular pleural effusion. Methods: This descriptive study was conducted in the Department of Medicine and Pulmonary Medicine, Saheed Laxman Naik Medical College and Hospital from January 1, 2019, to March 31, 2020. All patients &gt;15 years of age with lymphocytic exudative pleural effusion and pleural effusion associated with smear/CBNAAT-positive pulmonary TB patients, who attended the department during the study period, were included in the study. A case was taken as tuberculous employing defined criteria. Patients with transudative effusions, post-traumatic effusions, pregnant and lactating women, and persons on drugs that affect ADA activity like interferon alpha, deoxycoformycin, ribavirin, and viramidine were excluded from the study. Results: The mean ADA value was 93.93±44.63 IU/L among the cases with tuberculous effusion and 56.36±62.81 IU/L in the non-tuberculous effusion group. At a cutoff value of 50.7 IU/L, pleural fluid ADA showed a sensitivity of 87% and a specificity of 74% in diagnosing TB etiology. Conclusion: The mean ADA values were significantly higher in tuberculous pleural effusions when compared to the non-tuberculous group. When this was combined with pleural fluid lymphocyte dominancy, the specificity increased to 96%. Pleural fluid ADA values have a strong association with age. ADA estimation is a simple, cost-efficient, and diagnostically helpful investigation with high reliability.

Clinical, Microbiological, Serological and Radiological Profile of Patients With Mild-Moderate and Severe Allergic Bronchopulmonary Aspergillosis (ABPA).

Objective Allergic bronchopulmonary aspergillosis (ABPA) is a complex hypersensitivity reaction to Aspergillus antigen mostly Aspergillus fumigatus that occurs almost exclusively in patients with asthma and cystic fibrosis. ABPA is an underdiagnosed and undertreated disease because of its presentation with various grades of severity in asthma patients. Data available regarding the clinical, serological, and radiological profile of ABPA patients is limited due to lack of consensus on diagnostic criteria and treatment guidelines. Thus ABPA is a significant disease, especially in the Indian population where the incidence of allergic diseases like asthma is on the rise. Methods This prospective study was conducted in the Department of Pulmonary Medicine at one of the tertiary centers of north India. All consecutive patients diagnosed withallergic bronchopulmonary aspergillosis (ABPA) from 1st January 2017to 30th September 2017 were included in the study. A total of 67 consecutive patients diagnosedwithbronchial asthma were included in the study. The diagnosis of ABPA was based upon either criterion given by Rosenberg and Patersonor the International Society of Human and Animal Mycology (ISHAM) criteria. Patients diagnosed with ABPAwere finally divided into mild, moderate, and severe. Results The majority of patients showed an obstructive pattern on spirometry and moderate to severe obstruction was the most common pattern observed among patients who had an obstructive pattern on spirometry. Also, all three patients with the mixed pattern on spirometry had severe disease. Serological analysis revealed that patients in the moderate category had a higher level of absolute eosinophil count (AEC), total IgE, and Aspergillus-specific IgE antibodies, especially in patients who hadeither high attenuation mucus (HAM) or centrilobular nodules on their high-resolution computed tomography (HRCT) scan. Conclusion ABPA is a disease of divergent presentation. We concluded to have alternate or add-on criteria for the classification of ABPA which was not based on the sequelae of chronic inflammatory changes in the lungs.

Role of fiberoptic bronchoscopy in early diagnosis of non-resolving pneumonia

Non-resolving pneumonia are not so infrequent with a clinical scenario where multiple diagnostic modalities are required to arrive at a diagnosis. We aimed to assess the role of fiberoptic bronchoscopy in early diagnosis of non-resolving pneumonia. This is a prospective observational study done in department of pulmonary medicine from January 2020 to December 2020. 90 cases of non-resolving pneumonia cases attending the department of pulmonary medicine, AMC were selected after applying inclusion and exclusion criteria. These cases were subjected to fiber optic bronchoscopy. BAL, bronchial brushings and washings were collected and analyzed. Among 90 cases of non-resolving pneumonia studied, 50 to 60 years age group were commonly affected accounting to 33%. Male predominance was observed with 73.3%. Smoking was common observation accounting to 51%. Bacterial pneumonias were found to be commonest etiology followed by tuberculosis, bronchogenic carcinoma and fungal infection accounting to 46.6%; 22.2%; 17.7%; 1.1% respectively. Diagnosis was indeterminate in 12.2% of cases. Fiberoptic bronchoscopy is an excellent aid in diagnosis of non-resolving pneumonia thus enabling to differentiate bacterial pneumonias as well as fungal infection and pulmonary tuberculosis. It also helps to rule out bronchogenic carcinoma.

Editorial introductions.

Current Opinion in Pulmonary Medicine was launched in 1995. It is one of a successful series of review journals whose unique format is designed to provide a systematic and critical assessment of the literature as presented in the many primary journals. The field of pulmonary medicine is divided into nine sections that are reviewed once a year. Each section is assigned a Section Editor, a leading authority in the area, who identifies the most important topics at that time. Here we are pleased to introduce the Journal's Section Editors for this issue. SECTION EDITORS Alan FeinAlan FeinAlan Fein, MD received his medical degree from the State University of New York Downstate Medical Center in Brooklyn, USA in 1973. He completed his internship and residency in internal medicine at Albert Einstein College of Medicine, Bronx Municipal Hospital, New York, USA. From there, Dr Fein moved on to a fellowship in Pulmonary Disease at the University of California, San Francisco Cardiovascular Research Institute, USA. He served as Division Chief for Sleep, Pulmonary & Critical Care Medicine at Winthrop Hospital and then for the North Shore Long Island Jewish Health System. Dr Fein is a member of the American Academy of Sleep Medicine, the American College of Chest Physicians, the American College of Physicians, and the American College of Critical Care Medicine. He is the former President of the American Lung Association of Nassau/Suffolk and served on the national boards of the American Thoracic Society and the American College of Chest Physicians. Dr Fein is a Clinical Professor of Medicine at New York University, USA and Zucker School of Medicine, USA. He was Chief of the Pulmonary, Critical and Sleep Division of Prohealthcare Associates Optum Health. He is currently Medical director of the Post Covid Recovery Center for Optum Health. Dr Fein is on the editorial boards of Current Opinion in Pulmonary Medicine and the American Journal of Respiratory & Critical Care Medicine. Dr Fein has authored almost 100 peer-reviewed manuscripts, over 100 review articles, and book chapters on topics such as diagnosis and treatment of lung cancer, pneumonia, asthma, and chronic obstructive pulmonary diseases. David OstDavid OstDavid Ost, MD, MPH is Professor of Medicine at The University of Texas M. D. Anderson Cancer Center, Department of Pulmonary Medicine, USA. Dr Ost is a Fellow of the American College of Chest Physicians and the American College of Physicians and has served on the board of directors of the American Association of Bronchology and Interventional Pulmonology. Dr Ost is currently editor of the Journal of Bronchology and Interventional Pulmonology. He is a reviewer for many journals including Annals of Internal Medicine, the American Journal of Respiratory and Critical Care Medicine, Chest and the Journal of the American Medical Association. Dr Ost has authored over 100 manuscripts and book chapters on such topics as interventional pulmonology, lung cancer, pulmonary embolism, and ventilator associated pneumonia. Dr Ost received his medical degree from the Thomas Jefferson University, Jefferson Medical College in Philadelphia, USA. He completed his internship and residency in internal medicine at Northwestern University in Chicago, USA. Additionally, Dr Ost was a fellow in pulmonary and critical care at Northwestern. He is board certified in interventional pulmonology. He received his Masters in Public Health from Harvard University, USA, with a focus in quantitative methods. Marlies WijsenbeekMarlies WijsenbeekMarlies Wijsenbeek is pulmonary physician and Professor of Interstitial Lung Diseases at the Erasmus University Medical Centre in Rotterdam, a national expert centre for interstitial lung diseases (ILD) in the Netherlands and member of the European Reference Network for Rare Lung Diseases (ERN-Lung). She is chair of the multidisciplinary ILD centre. Her research interests include e-health, patient centred outcome measures in ILD, cough in ILD and new therapies in ILD and sarcoidosis. She is chair of group 12.01 (Idiopathic Interstitial Pneumonia) of the European Respiratory Society, chair of the functional committee for continued education of the ERN-Lung, member of the scientific advisory boards of different patient associations, Associate Editor of the European Respiratory Journal, and member of the international advisory board of The Lancet Respiratory Medicine. Catharina C. MoorCatharina C. MoorKaren Moor, M.D. Ph.D. is a pulmonologist in training and postdoctoral researcher at the Erasmus Medical Center, Rotterdam, the Netherlands. She is the current Early Career Representative for the ILD assembly within the European Respiratory Society (ERS). Her research focuses on innovative approaches for patient-centered care in interstitial lung disease (ILD), especially digital health care and home monitoring. She coordinated the first-ever randomized controlled trial on home monitoring in ILD (Am J Respir Crit Care Med Vol 202, Iss 3, pp 393–401, Aug 1, 2020). Together with Prof. Dr Marlies Wijsenbeek she is co-leading various home monitoring studies, including a large international patient-led registry study, and a nationwide implementation study.

A comparative study to determine clinical and spirometric profile among patients of asthma in different body mass index groups

Background: Overweight and obesity is the most common co-morbidity and disease modifier of asthma; it has been associated with increased risk of asthma exacerbations, worse respiratory symptoms and poor asthma control. The objective of study was to determine the relation of body mass index (BMI) with the level of asthma control and to study the clinical presentation and spirometric profile of asthma patients from different BMI groups. Materials and methods: The descriptive prospective study done among confirmed asthmatic patients who were attending the Department of Pulmonary Medicine, outpatient department (OPD) and inpatient department (IPD). The study was demographic, clinical and spirometric parameters in asthmatic patients who were on optimal pharmacotherapy among different BMI categories. Results: Total 144 diagnosed asthma patients were included; the overall mean age of the study group was 34.27 ± 11.7 years and the majority of patients 50 (34.72%) were between 18-27 years of age group. Moderate asthma (FEV1 60-79) was observed to be the most common in all BMI groups. The severe asthma (FEV1 &lt;60) was observed with BMI &gt; 30kg/m2 in asthma patients (p=0.27). Conclusions: The poor control of asthma was significantly frequent in the overweight and obese BMI group, regardless of the findings of no differences in spirometry. Our results suggest that obese individuals with asthma show a higher incidence of one-year follow-up hospitalization due to exacerbation symptoms than non-obese individuals.

Socio Clinical Profile of MDR TB Cases: A Study at DR –TB Center, SCB Medical College &amp; Hospital

Introduction India accounts for about one-fourth of the global burden of MDR-TB. This study aims to evaluate clinical profile and factors associated with tuberculosis drug resistance among patients from eastern India. Method All the MDR-TB cases registered under RNTCP PMDT services were included in the study between 1st April-2013 to 31st March 2014. This observational study was carried out by the Department of Pulmonary Medicine, SCB Medical College, Cuttack. Result Between April 2013 and March 2014, the IRL ATDC Center collected a total of 2205 sputum samples. Out of 2205, 245 (11%) had both INH and Rifampicin, 68 (3%), INH resistance, 359 (16.3%), and 51 (2.3%) had sputum contaminated with report awaiting. Mean age MDR TB was 35.6 (Standard deviation 13.769). The study shows 14.3% of the TB patients were illiterate. Out of 126 cases of MDR-TB presented with 140 co- morbidities at DR-TB Center. Discussion High rate of drug resistance pattern was found among the new sputum smear positive pulmonary tuberculosis patients and also high MDR tuberculosis. Risk factors such as age, sex, smoking, and alcoholism were independently associated with pulmonary MDR-TB. Our study concluded that young age, male sex, smear positivity, treatment failure, and the combination of smoking and alcoholism were identified as risk factors for Tuberculosis mortality.

Assessment of health status and its correlation with lung function in patients with chronic obstructive pulmonary disease: a study from a tertiary care center in north India.

The Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2023 recommends a comprehensive multidimensional assessment for patients with chronic obstructive pulmonary disease (COPD) and stresses the need for evaluation of their health status and quality of life (QOL). The COPD assessment test (CAT), clinical COPD questionnaire (CCQ), and St. George respiratory questionnaire (SGRQ) are recommended by GOLD for such assessments. However, their correlation with spirometry in the Indian population is not known. Other similar questionnaires like the COPD and sleep impact scale (CASIS), functional performance inventory-short form (FPI-SF), and COPD and asthma fatigue scale (CAFS), though used internationally as a research tool, are still in the offspring stage and have never been used in India. A cross-sectional study was hence conducted in the Department of Pulmonary Medicine, Government Medical College, Patiala, Punjab, India, on 100 COPD patients. Patients were assessed for health status and QOL by CAT, CCQ, SGRQ, CASIS, FPI-SF, and CAFS. The relationship between these questionnaires and airflow limitations was investigated. The majority of the patients were males (n=97), >50 years of age (n=83), illiterate (n=72), had moderate/severe COPD, and belonged to group B (n=66). The mean value of forced expiratory volume in one second (FeV1) decreased with a deterioration in CAT and CCQ score grouping (p<0.001). Patients with poorer CAT and CCQ scores belonged to higher GOLD grades (k=0.33, p<0.001). The correlation of health-related quality of life (HRQL) questionnaires among each other, with FEV1 predicted and with GOLD grade, was strong to very strong in most of the comparisons (p<0.01 in the majority). On comparison of GOLD grade with mean scores of HRQL questionnaires, it was seen that with the increase in GOLD grading from 1 to 4, the mean values of CAT, CCQ, SGRQ, CASIS, FPI-SF, and CAFS also deteriorated (p<0.001, p<0.001, p<0.001, p<0.005, p<0.001 and p<0.001, respectively). Various easy-to-use HRQL scores should be routinely used in outpatient departments for a comprehensive assessment of COPD patients. These questionnaires, in combination with clinical features, can help in providing a rough estimate of the severity of the disease in places where lung function assessments are not readily available.

Significance of serum copper zinc ratio in smear negative pulmonary tuberculosis cases in Rohilkhand region

Tuberculosis being a highly contagious chronic pulmonary and systemic disease is explicit cause of morbidity and mortality worldwide. There is a direct relationship between zinc and copper in maturation of immunity, Cu/Zn ratio in serum serves to assess levels of oxidative stress in infectious diseases and thus could be used as a diagnostic tool in early diagnosis of smear negative tuberculosis. To study and evaluate significance of serum Cu and Zn concentration and Cu/Zn ratio in smear negative pulmonary tuberculosis patients in comparison to apparently healthy controls. Observational case control study was carried out on patients attending IPD and OPD, Department of Pulmonary Medicine, RMCH. Fifty cases of smear negative PTB patients(group A) was taken and compared with fifty age and sex matched apparently healthy controls(group B). Serum Cu and Zn were estimated in both groups by colorimetric method using EM Chem5Plus V2 Semi autoanalyzer. Data is presented as mean ± SD. Comparison of serum levels of the parameters between the two groups was performed by Student’s‘t’ test. The p value &amp;#60;0.05 was considered as statistically significant. We found serum Zinc to be significantly lower in group I than group II(p&amp;#60;0.00), serum Copper &amp; Cu/Zn ratio to be significantly higher in group I than II(p&amp;#60;0.00). The results suggests that early estimation of serum Cu, Zn &amp; Cu/Zn ratio serves as useful diagnostic marker for smear negative pulmonary TB cases though more extensive multicentric study will provide more insights.

Clinical Significance and Levels of NLRP3, MUC5AC, and MUC5B in Asthma

Objective: To explore the role of NLRP3 in mucus hypersecretion in asthmatic patients. Methods: From January 2020 to June 2022, 90 patients with asthma and 60 healthy patients under the Department of Pulmonary and Critical Care Medicine of the First Affiliated Hospital of Xi’an Medical University were selected. Immunohistochemistry and enzyme-linked immunosorbent assay were performed. NLRP3 inflammasome and mucins MUC5AC and MUC5B levels in lung tissue and sputum were detected. Results: Compared to the healthy control group, the asthma group had significantly higher sputum MUC5A (20.12 ± 5 .07 versus 36.21 ± 6.13) and NLRP3 (72.31 ± 15.13 versus 119.21 ± 31.21) levels (P &lt; 0.05) but lower MUC5B levels (1.35 ± 0.12 versus 0.53 ± 0.11, P &lt; 0.05). Immunohistochemistry showed that NLRP3, MUC5AC, and MUC5B expressions were consistent with the sputum results. Conclusion: NLRP3 and MUC5AC levels are significantly increased in asthmatic patients, whereas MUC5B levels are reduced in these patients. They can be used as targets for the diagnosis and treatment of asthma.