Cross-sectional Observational Study Research Articles

Combined corneal biomechanical and tomographical indices in subclinical and forme fruste keratoconus.

Evaluation of combined corneal tomographic and biomechanical parameters in subclinical/forme fruste keratoconus (ScKC/FFKC). Cross-sectional observational case-control study. Thirty-one eyes with ScKC (fellow eye of KC with any one sign keratometry >47 diopters, cylinder >1.5 D, central corneal thickness <500 μm, with/without abnormal topography) or FFKC (fellow eye of KC with normal topography and slit lamp examination) >13 years (cases) and 44 eyes of age-matched 22 healthy subjects (controls). Clinically diagnosed KC, presence of corneal scars, and prior ocular surgery eyes. Sixteen Pentacam, 15 Corvis ST, and five Sirius parameters were analyzed using paired sample t-test, and a subsample found to be significantly different was used in receiver operating characteristic curve analysis. The Youden index was calculated, and Pearson's correlation analysis was done. Five Pentacam, three Corvis ST, and two Sirius parameters had an area under curve (AUC) >0.75. Tomographic and biomechanical index (TBI) (cutoff 0.59, 95% specificity, 77% sensitivity), Belin Ambrosio enhanced ecstasia display (cutoff 1.8, 81% specificity, 80% sensitivity), and symmetry index of posterior corneal curvature (cutoff 0.16, 97% specificity, 67% sensitivity) best identified early KC. TBI strongly correlated with maximum Pentacam parameters in both cases and controls. Corvis biomechanical index strongly correlated only in cases, and SP-A1-SD weakly correlated in cases. Upon combined analysis, the average sensitivity and specificity, respectively, of top three parameters (according to AUC) from Pentacam and Corvis ST were 74.1% and 95.4% for posterior elevation and TBI. A trial was registered in Clinical Trial Registry of India on January 28, 2022. The Trial Registration Number is REF/2022/01/050638.

The impact of iron deficiency on patients under evaluation for colorectal cancer, a prospective cross-sectional study

Background and objective Iron deficiency affects more than 60% of colorectal cancer patients at the time of diagnosis. Iron deficiency ultimately leads to anemia, but additionally, iron deficiency might impact other domains of colorectal cancer patients’ health and well-being. The aim of this study was to evaluate the impact of iron deficiency on fatigue, quality of life, cognition, and physical ability in patients undergoing evaluation for colorectal cancer. Methods Multicenter, prospective, observational cross-sectional study (2021–2023). Fatigue was the primary outcome, measured using the Focused Assessment of Cancer Treatment-Anemia questionnaire (FACT-An). Quality of Life, Cognition, Aerobe capacity, mobility, and peripheral muscle strength were tested as secondary outcomes. Multivariate analysis was performed to estimate the impact of iron deficiency on all outcomes. Results Two hundred and one patients were analyzed, 57% being iron deficient. In multivariate regression analysis, iron deficiency was not associated with fatigue: FACT-An (r = −1.17, p = 0.57, 25% CI: −5.27 to 2.92). Results on quality of life, cognition, and mobility were non-significant and with small regression coefficients. Iron deficiency showed a nearly significant association with reduced hand-grip-strength (r = −3.47 kg, p = 0.06, 25%CI −7.03 to 0.08) and reduced 6 min walking distance (r = −40.36 m, p = 0.07, 25%CI: −84.73 to 4.00). Conclusion Iron deficiency in patients undergoing evaluation for colorectal cancer was not associated with fatigue, quality of life, or cognition, but might affect aerobic endurance and peripheral muscle strength to a degree that is clinically relevant.

Recognition of psychological comorbidity and psychotherapeutic treatment status of ventricular assist device patients.

Due to its high impact on quality of life and mental health, close monitoring and often psychotherapy is recommended for patients with a ventricular assist device (VAD). This study investigates the psychological comorbidity and the corresponding psychotherapeutic treatment situation of VAD patients. Special attention is also given to the professional perspective VAD team (assistant and senior cardiologists and specialized nurses). We conducted a cross-sectional observational study. Data from 50 VAD patients (mean age = 53.52, standard deviation = 13.82 years, 84.0% male) and their VAD team were analyzed. The presence of a psychological disorder was evaluated by structured clinical interviews for DSM-IV (SCID-I-Interviews). Patients answered a questionnaire regarding their current psychotherapeutic treatment status and their attitude towards psychotherapy. The VAD team answered a questionnaire about the patients' needs for psychotherapy and indicated whether they addressed this topic with the patient. Data were analyzed descriptively, by analysis of variance and t-test. A total of 58% of VAD patients suffered from at least one significant psychological disorder, 79.3% of those were not in psychotherapy. The VAD team could not identify the patients who suffered from a psychological disorder (F = 1.90; p = 0.18). They perceived more need for psychotherapy than they addressed with their patients (T = 3.39; p < 0.001). While there is a high psychological morbidity among VAD patients, only few receive psychotherapy. Psychological comorbidity is not easily detected by the VAD team. Standardized psychosocial care could be implemented by regular psychological assessments and further information of patients and their VAD teams.

Molecular circadian clock disruption in the leukocytes of individuals with type 2 diabetes and overweight, and its relationship with leukocyte-endothelial interactions.

Alterations in circadian rhythms increase the likelihood of developing type 2 diabetes and CVD. Circadian rhythms are controlled by several core clock genes, which are expressed in nearly every cell, including immune cells. Immune cells are key players in the pathophysiology of type 2 diabetes, and participate in the atherosclerotic process that underlies cardiovascular risk in these patients. The role of the core clock in the leukocytes of people with type 2 diabetes and the inflammatory process associated with it are unknown. We aimed to evaluate whether the molecular clock system is impaired in the leukocytes of type 2 diabetes patients and to explore the mechanism by which this alteration leads to an increased cardiovascular risk in this population. This is an observational cross-sectional study performed in 25 participants with type 2 diabetes and 28 healthy control participants. Clinical and biochemical parameters were obtained. Peripheral blood leukocytes were isolated using magnetic bead technology. RNA and protein lysates were obtained to assess clock-related gene transcript and protein levels using real-time PCR and western blot, respectively. Luminex XMAP technology was used to assess levels of inflammatory markers. Leukocyte-endothelial interaction assays were performed by perfusing participants' leukocytes or THP-1 cells (with/without CLK8) over a HUVEC monolayer in a parallel flow chamber using a dynamic adhesion system. Participants with type 2 diabetes showed increased BMAL1 and NR1D1 mRNA levels and decreased protein levels of circadian locomotor output cycles kaput (CLOCK), cryptochrome 1 (CRY1), phosphorylated basic helix-loop-helix ARNT like 1 (p-BMAL1) and period circadian protein homologue 2 (PER2). Correlation studies revealed that these alterations in clock proteins were negatively associated with glucose, HbA1c, insulin and HOMA-IR levels and leukocyte cell counts. The leukocyte rolling velocity was reduced and rolling flux and adhesion were enhanced in individuals with type 2 diabetes compared with healthy participants. Interestingly, inhibition of CLOCK/BMAL1 activity in leukocytes using the CLOCK inhibitor CLK8 mimicked the effects of type 2 diabetes on leukocyte-endothelial interactions. Our study demonstrates alterations in the molecular clock system in leukocytes of individuals with type 2 diabetes, manifested in increased mRNA levels and decreased protein levels of the core clock machinery. These alterations correlated with the impaired metabolic and proinflammatory profile of the participants with type 2 diabetes. Our findings support a causal role for decreased CLOCK/BMAL1 activity in the increased level of leukocyte-endothelial interactions. Overall, our data suggest that alterations in core clock proteins accelerate the inflammatory process, which may ultimately precipitate the onset of CVD in patients with type 2 diabetes.

Coexistence of Iron Deficiency Anaemia (IDA) and Beta Thalassaemia Trait (B-TT)

Background: The WHO estimates that about 7% of the world population are thalassaemia trait and increasing number of cases are being detected. The world population of carrier of b thalassamia is reported to be more than 100 million. Bangladesh also lies in thalassaemic Belt. A conservative world health report estimates that 3% of our populations are carrier of b thalassaemia which means that there are 3-6 million of b thalassaemia are in Bangladesh. To manage thalassaemia and thalassaemia trait, our traditional concept is not to give iron or iron conaining food. But concomitant iron deficiency anaemia in thalassaemia trait patient may be fatal. Those patients should be evaluated by serum ferritin or by the iron profile and treatment should be supplemented with rational amount of iron. Methodology: This cross sectional observational study was carried out on 75 patients from 03 to 59 years of age of both sex of Beta Thalassaemia Trait, in the department of Medicine and Haematology of Dhaka Medical College Hospital (DMCH) and Bangabandhu Sheikh Mujib Medical University (BSMMU) from January, 2015 to December, 2015. The patients previously diagnosed as Beta Thalassaemia Trait was included in study population. Result: In this study out of 75 Beta Thalassaemia Trait patients, 21 had evidence of Iron Deficiency Anaemia (IDA) and 54 patiens had no evidence of IDA. Thus the frequency of coexistent Beta Thalassaemia Trait and IDA in this study is 28%. The mean Hb concentration was 9.66 gm/dL (±1.54) which is 8.48 gm/dL (±1.43) and 10.12 gm/dL(±1.34) in Beta Thalassaemia Trait with IDA patients and Beta Thalassaemia Trait without IDA patients respectively. So the Hb concentration is significantly lower in b-TT with IDA patients than those without IDA (p-value &lt; 0.001). The mean of Hb A2 level was 4.87(%) (±0.54) which is 4.44(%) (±0.40) and 5.03(%) (±0.50) in Beta Thalassaemia Trait with IDA patients and Beta Thalassaemia Trait without IDA patients respectively. So the Hb A2 level is significantly lower in Beta Thalassaemia Trait with IDA patients than those without IDA (p-value &lt; 0.001). Conclusion: From this study, it could be concluded that the frequency of IDA in Beta Thalassaemia Trait is about 28%. The degree of anaemia is more severe and the level of Hb A2 is much lower in Beta Thalassaemia Trait with IDA patients than Beta Thalassaemia Trait without IDA. J Dhaka Med Coll. 2022; 31(2) : 182-186

The association between osteoporosis and frailty: a cross-sectional observational study and mendelian randomization analysis

BackgroundOsteoporosis and frailty are two common features in the elderly population. Despite many review articles mentioning the association between osteoporosis and frailty, there is a lack of original research directly investigating their relationship. Therefore, this study was conducted to examine the correlation between osteoporosis and frailty.MethodsWe conducted a cross-sectional study using data from the National Health and Nutrition Examination Survey (NHANES), using logistic regression analysis to assess the association of osteoporosis with the frailty index. In addition, we further explored the causal relationship between them using Mendelian randomization (MR) study.ResultsIn the cross-sectional study, 19,091 non-frailty participants and 5878 frailty participants were included in this study. We observed a significant positive association between osteoporosis and frailty after adjusting for demographic characteristics, body mass index (BMI), smoking, and alcohol use (OR = 1.454, 95% CI [1.142,1.851], P = 0.003). Moreover, the MR study showed a bidirectional causal relationship between osteoporosis and frailty. When osteoporosis was used as an exposure factor, the frailty pooled OR value calculated utilizing the inverse variance weighted (IVW) method was 2.81 (95% CI [1.69, 4.68], P = 6.82 × 10− 5). When frailty was used as an exposure factor, the OR value calculated using the IVW method was 1.01 (95% CI [1.00,1.01], P = 3.65 × 10− 7).ConclusionsOsteoporosis was positively correlated with frailty, and the results remained robust after adjusting for covariates. Further, MR studies have shown a bidirectional causal relationship between osteoporosis and frailty.

Knowledge, Attitude and Practice of Parents of Children with Childhood Asthma in a Tertiary Care Hospital

Back ground: Asthma is one of the most common reasons that children visit doctors, miss days at school or are admitted to hospital. If asthma is well managed, child should be able to lead a healthy and active life. Methods: The study aims to investigate parental knowledge, attitudes about childhood asthma, and practices regarding the management of their children’s asthma. An observational cross-sectional study was conducted among parents of children aged between 2 and 12 years with asthma who had visited the outpatient or inpatient department of Pediatrics at Dhaka Medical College Hospital over a period of approximately 6 months. Data were collected using a preformed Knowledge, Attitude, and Practice (KAP) questionnaire. Results: Total 110 parents of children with childhood asthma were interviewed in this study. There were 63 (57.3%) male and 47 (42.7%) female with M:F ratio 1.34:1 (Slightly male predominance). Most of the patients 57(87.6%) visited in out-patient department (OPD). Almost half of the parents (52.7%) knew their children had asthma. Most of the parents (80.9%) thought oral form of drug (syrup/ tablet) is better than inhaler. Almost two-third parents believed asthma can be cured and they did not know the importance of adherence with asthma medications. The overall parental knowledge was poor (49.09%). Nearly half of them (49.09%) had negative attitude about childhood asthma &amp; 50.9% parents had poor practice about avoidance of allergens, use of asthma medications and regular follow up of their children. Knowledge, attitude and practice are significantly associated with education, socioeconomic condition and living area. Statistically significant positive correlation has been found between knowledge and practice, but knowledge and attitude has not showed significant positive correlation. J Dhaka Med Coll. 2022; 31(2) : 194-200

Patient-Portal Compared with Supplemental In-Office Tablet Screening for Health-Related Social Needs in Primary Care.

Screening for health-related social needs (HRSN) has become more widespread but the best method of delivering the screening tool is not yet known. Describe HRSN screening completion rate, specifically portal-based and in-person tablet-based screening. Cross-sectional retrospective observational study. Adults age 18 or older who had a non-acute primary care visit at one of three internal medicine primary care clinics at a large, urban, academic medical center between July 2022 and July 2023. We identified the proportion of individuals who were screened using the HRSN questionnaire, whether screening was completed by patient-portal or tablet, as well as the degree of burden of HRSN. Using the electronic health record, we explored associations between sociodemographic characteristics and HRSN attributes. Our study included 24,597 patients, of whom 37% completed the HRSN questionnaire. A smaller proportion of Black/African American patients and those with Medicaid insurance completed the questionnaire, yet they comprised a greater percentage of those who screened positive for unmet HRSN (p ≤ 0.001). Most patients completed the questionnaire by patient-portal (86.1%) compared with in-office tablets (14.0%). A larger proportion of those who completed screening by tablet screened positive for HRSN. Of all patients screened, 21.8% were positive for an unmet HRSN and 11.5% had more than one unmet HRSN. A majority of patients are not being screened for HRSN and results illustrate disparities when screening patients for HRSN through portal-based compared with supplemental in-office tablet-based screening. Prevalence of unmet HRSN varied by demographics such as race and insurance status.

Demonstrating the use of population level data to investigate trends in the rate, radiation dose and cost of Computed Tomography across clinical groups: Are there any areas of concern?

Increases in computed tomography (CT) use may not always reflect clinical need or improve outcomes. This study aimed to demonstrate how population level data can be used to identify variations in care between patient groups, by analysing system-level changes in CT use around the diagnosis of new conditions. Retrospective repeated cross-sectional observational study using West Australian linked administrative records, including 504,723 adults diagnosed with different conditions in 2006, 2012 and 2015. For 90 days pre/post diagnosis, CT use (any and 2+ scans), effective dose (mSv), lifetime attributable risk (LAR) of cancer incidence and mortality from CT, and costs were assessed. CT use increased from 209.4 per 1000 new diagnoses in 2006 to 258.0 in 2015; increases were observed for all conditions except neoplasms. Healthcare system costs increased for all conditions but neoplasms and mental disorders. Effective dose increased substantially for respiratory (+2.5 mSv, +23.1%, P < 0.001) and circulatory conditions (+2.1 mSv, +15.4%, P < 0.001). The LAR of cancer incidence and mortality from CT increased for endocrine (incidence +23.4%, mortality +18.0%) and respiratory disorders (+21.7%, +23.3%). Mortality LAR increased for circulatory (+12.1%) and nervous system (+11.0%) disorders. The LAR of cancer incidence and mortality reduced for musculoskeletal system disorders, despite an increase in repeated CT in this group. Use and costs increased for most conditions except neoplasms and mental and behavioural disorders. More strategic CT use may have occurred in musculoskeletal conditions, while use and radiation burden increased for respiratory, circulatory and nervous system conditions. Using this high-level approach we flag areas requiring deeper investigation into appropriateness and value of care.

Assessment of Quality of Life Among Patients With Knee Osteoarthritis

Introduction: Osteoarthritis (OA) is a degenerative joint disease estimated to be the fourth leading cause of disability. Methodology: We conducted a cross-sectional observational study at BSMMU, Dhaka, from April 2018 to March 2019. Our goal was to evaluate the quality of life in knee OA patients in Bangladesh using Short Form-36 (SF-36) Health Survey and Western Ontario and McMaster Universities Osteoarthritis (WOMAC) Index. We collected data through face-to-face interviews, adhering to specific inclusion and exclusion criteria. Results: Most participants were within the 40-59 year age group, with 65.2% of patients reporting a disease duration of 1-5 years. The mean WOMAC scores differed significantly by age (p=0.001), with older patients having higher scores. Gender and monthly income did not significantly impact WOMAC scores (p&gt;0.05). Educational status showed potential significance (p=0.074), but it did not reach statistical significance. There was a strong statistical association between total WOMAC scores and patient age (p=0.001). However, other socio-demographic factors showed no significant differences (p&gt;0.05). Patients with shorter OA knee durations (less than one year) had notably lower WOMAC scores than those with longer durations (1-5 years), with a significant difference (F=16.513, p&lt;0.001). In terms of OA knee grading, patients with more severe OA (grade III) had significantly higher WOMAC scores than those with less severe OA (grade I or II) (F=190.077, p&lt;0.001). Gender, educational status, and monthly income significantly influenced SF-36 scores in knee OA patients. Male patients and those with higher educational levels reported higher SF-36 scores. Monthly income also had a significant effect (F=6.101, p=0.004), with higher income linked to higher SF-36 scores. Age did not significantly impact SF-36 scores (F=0.492, p=0.614). Body mass index (BMI) did not significantly affect health-related quality of life in OA knee patients. The elderly with more advanced and prolonged disease had lower quality of life according to WOMAC. Conclusion: It can be concluded that patients with OA knee had relatively poor quality of life in physical health component than that of mental health component and role physical domain was mostly affected among all domains. J Dhaka Med Coll. 2022; 31(2) : 201-209

Prevalence of therapeutic use exemptions at the Olympic Games and Paralympic Games: an analysis of data from 2016 to 2022

ObjectivesThe objectives of this study are to describe the prevalence of therapeutic use exemptions (TUEs) among athletes competing in four Olympic and four Paralympic games. The secondary objective was to...

Changes in paranasal sinus volumes, temporal bone pneumatization, internal acoustic canal and olfactory cleft dimensions over the centuries: a comparison of skulls from different epochs in Anatolia.

Investigating changes in temporal bone pneumatization (TBP) and paranasal sinus volumes (PSV) across different eras may help understanding not only changes in skull anatomy but also pathophysiology of chronic otitis media and sinusitis, respectively, which are common health problems. Eight skulls from the second century AD, 20 skulls were from the 10th-11th centuries AD, 20 skulls from the 16th-19th centuries AD, and 60 contemporary skulls were included in this cross-sectional observational study. Using computerized tomography (CT) scans, the PSV were calculated by multiplying the height, width, and antero-posterior distance of the sinuses. TBP was divided into three types. Internal acoustic canal (IAC) length and width, and olfactory cleft (OC) width were measured. No statistically significant differences were found between the paranasal sinus (frontal, maxillary, and sphenoid) volumes between the groups. However, TBP decreased statistically significantly over time on both sides of the skulls (p = 0.001). The contemporary IAC and OC measures were found to be significantly lower on both sides compared to the skulls from the other three eras (p < 0.001 for both). Although no significant change was observed in PSV, decreases were evident in TBP, OC width and IAC length and width over time. It appears a fair inference that changes in size of OC and IAC might be another indication of the fact that olfaction and hearing were more vital for survival in old eras. Since we do not know incidence of chronic ear problems in old eras, we cannot speculate outcome of increased TBP in terms of developing chronic ear diseases. On the contrary, increased TBP was likely to play a protective role in traumas in old ears. Additionally, the environmental influences may be crucial role in the development of paranasal sinuses.

Cardiovascular history and risk of idiopathic Parkinson’s disease: a cross-sectional observational study

BackgroundParkinson's disease (PD), while often associated with its distinctive motor symptoms, can also exert a notable impact on the cardiovascular system due to the development of severe autonomic dysfunction. One of the initial indicators of PD is the appearance of cardiovascular dysautonomia. As such, it is vital to monitor and manage cardiovascular health of individuals with PD, as it may have clinical implications in the development of commonly recognized motor and non-motor aspects of the disease. To study the association of history of cardiovascular disease (CVD) with occurrence and severity of PD, here, we lend data on the association of CVD history with the frequency and the occurrence of idiopathic PD (iPD) using data from the Luxembourg Parkinson’s study (iPD n = 676 patients and non-PD n = 874 controls).ResultsWe report that patients with a history of CVD are at high risk of developing iPD (odds ratio; OR = 1.56, 95% confidence interval; CI 1.09–2.08). This risk is stronger in males and remains significant after adjustment with confounders (OR 1.55, 95% CI 1.05–2.30). This increased susceptibility to iPD is linked to the severity of iPD symptoms mainly the non-motor symptoms of daily living (MDS-UPDRS I) and motor complications (MDS-UPDRS IV) in the affected individuals.ConclusionIndividuals with history of CVD have a high risk of developing severe forms of iPD. This observation suggests that careful monitoring and management of patients with a history of cardiac problems may reduce the burden of iPD.

Regional Disparities in Maternal Blood Parameters during Pregnancy: A Comparative Analysis across Four Provinces of Pakistan

Objective: A comparative analysis of hemoglobin (HB), mean corpuscular volume (MCV), and ferritin levels among pregnant women from all four provinces in Pakistan: Punjab, Sindh, Khyber Pakhtunkhwa, and Balochistan. Methods: It was a Cross-sectional Observational study. The study was conducted at four centers in Karachi, Quetta, Kharian and Mardan Pakistan for 1 year from 1St Feb 2022 to 31st Jan 2023. Maternal blood parameters were measured and compared across different regions of Pakistan to identify potential regional differences due to factors such as ethnicity, socio-economic status, and other factors. Results: The mean hemoglobin levels were 10.95 g/dL in Balochistan, 11.04 g/dL in KPK, 10.82 g/dL in Punjab, and 10.36 g/dL in Sindh. The mean MCV values was 80.56 FL in Balochistan, 79.70 FL in KPK, 77.94 FL in Punjab, and 80.89 FL in Sindh. The mean serum ferritin levels were 16.00 ng/mL in Balochistan, 23.84 ng/mL in KPK, 33.92 ng/mL in Punjab, and 20.93 ng/mL in Sindh. Conclusions: Overall, the results showed significant variation in the mean values for the different variables across the four provinces. We also noticed that gestational anemia is very common health issue all over Pakistan. This study provides valuable insights into regional differences in maternal blood parameters during pregnancy in Pakistan and may help in the development of regionally targeted interventions to address maternal anaemia. Keywords: Gestational Anaemia, Pregnancy, Iron Deficiency Anemia, Maternal Health

Elevated Plasma C-reactive Protein Related to Iron Overload in Maintenance Hemodialysis Patients with Anemia: A Cross-Sectional Observational Study in Vietnam

Elevated Plasma C-reactive Protein Related to Iron Overload in Maintenance Hemodialysis Patients with Anemia: A Cross-Sectional Observational Study in Vietnam

A surge in queries: Analyzing the increased public interest in dry needling using Google trends – A cross-sectional observational study

BackgroundTo monitor public interest (PI) in information related to Dry needling (DN) therapy and examine potential temporal, seasonal, and income-related trends that may impact PI by using the relative search volume (RSV) from the Google Trends tool for the keyword "Dry Needling." MethodsFor this cross-sectional observational study, a dataset was created using the Google Trends tool from 2004 to the present in the United States (US). To examine potential income-related disparities in PI in DN across the US, RSV values were recorded in the five states with the highest and the lowest median income (Maryland, New Hampshire, New Jersey, Utah, and Washington and Mississippi, West Virginia, Arkansas, New Mexico, Kentucky, respectively). ResultsA linear regression model showed that the PI in DN increased significantly (R2 = 0,902, p < 0.001). There were no significant differences between the RSV values between the month of the year and the season of the year (p = 1.000 and p = 0.997, respectively). RSV values of the five highest-income and low-income states showed significant increases (R2 = 0,624, p < 0.001, and R2 = 0,477, p < 0.001, respectively). More rapid growth in interest in DN in states with high income compared to those with low income (p < 0.001). ConclusionsPI in DN treatment is increasing in both high and low-income states. States with higher incomes are more interested. DN treatment is expected to become more popular, which will lead to a rising demand for comprehensive education in medical schools and clinician training programs. In addition, there will also be a need for easily accessible, high-quality information resources.

Which are the clinical consequences of Molar Incisor hypomineralization (MIH) in children and adolescents? Systematic review and meta-analysis.

This systematic review was conducted to address the following research question: "What are the clinical consequences (outcome) of Molar Incisor Hypomineralization (MIH) (exposure) in children and adolescents (population/patient)?". After defining the strategy, a search was performed in different databases (MEDLINE via Pubmed, Cochrane Library, BBO, LILACS, Scopus, Web of Science, Embase) and Grey literature in August 2023. Cross-sectional observational studies that identified clinical consequences of MIH (dental caries, post-eruptive structural loss, atypical restorations, hypersensitivity and tooth extraction) were included. The risk of bias was assessed following the Joanna Briggs Institute protocol for cross-sectional studies. Meta-analyses were conducted for each outcome, taking into account the number of patients and teeth. The effect measure considered was the prevalence; random-effects model was adopted. Heterogeneity was assessed using I2 statistics and prediction intervals (PI). A total of 903 studies were identified; 41 were selected for qualitative analysis and 38 for quantitative analysis. Twenty eight studies were classified as presenting uncertain risk of bias, 11 as low risk and 3 as high risk of bias. The prevalence levels, ranked from highest to lowest and considering the tooth and patient units, respectively, were: caries lesions (0.252 - 95% CI 0.158-0.375; 0.512 - 95% CI 0.385-0.639); hypersensitivity (0.286 - 95% CI 0.190-0.407; 0.417 - 95% CI 0.197-0.674), post-eruptive fracture (0.125 - 95% CI 0.099-0.158; 0.257 - 95% CI 0.145-0.412); atypical restorations (0.048 - 95% CI 0.030-0.077; 0.167 - 95% CI 0.096 - 0.274); tooth extraction (0.012 - 95% CI 0.007-0.019; 0.090 - 95% CI 0.019 - 0.331). All meta-analyses resulted in heterogeneity greater than 85%, with the exception of the outcome "tooth extraction" according to the tooth unit (I2 = 57.83). This heterogeneity may be attributed to factors such as differences in the location where the study was realized, the socioeconomic conditions of the studied population, the asymmetric nature of MIH, and patient age. The most common consequences of MIH are caries lesions, hypersensitivity, and post-eruptive breakdown. (PROSPERO:CRD42020201410).

First initiation of mobilization out of bed after cardiac surgery – an observational cross-sectional study in Sweden

BackgroundCardiac surgery is associated with a period of postoperative bed rest. Although early mobilization is a vital component of postoperative care, for preventing complications and enhancing physical recovery, there is limited data on routine practices and optimal strategies for early mobilization after cardiac surgery. The aim of the study was to define the timing for the first initiation of out of bed mobilization after cardiac surgery and to describe the type of mobilization performed.MethodsIn this observational study, the first mobilization out of bed was studied in a subset of adult cardiac surgery patients (n = 290) from five of the eight university hospitals performing cardiothoracic surgery in Sweden. Over a five-week period, patients were evaluated for mobilization routines within the initial 24 h after cardiac surgery. Data on the timing of the first mobilization after the end of surgery, as well as the duration and type of mobilization, were documented. Additionally, information on patient characteristics, anesthesia, and surgery was collected.ResultsA total of 277 patients (96%) were mobilized out of bed within the first 24 h, and 39% of these patients were mobilized within 6 h after surgery. The time to first mobilization after the end of surgery was 8.7 ± 5.5 h; median of 7.1 [4.5–13.1] hours, with no significant differences between coronary artery bypass grafting, valve surgery, aortic surgery or other procedures (p = 0.156). First mobilization session lasted 20 ± 41 min with median of 10 [1–11]. Various kinds of first-time mobilization, including sitting on the edge of the bed, standing, and sitting in a chair, were revealed. A moderate association was found between longer intubation time and later first mobilization (ρ = 0.487, p < 0.001). Additionally, there was a moderate correlation between the first timing of mobilization duration of the first mobilization session (ρ = 0.315, p < 0.001).ConclusionsThis study demonstrates a median time to first mobilization out of bed of 7 h after cardiac surgery. A moderate correlation was observed between earlier timing of mobilization and shorter duration of the mobilization session. Future research should explore reasons for delayed mobilization and investigate whether earlier mobilization correlates with clinical benefits.Trial registrationFoU in VGR (Id 275,357) and Clinical Trials (NCT04729634).

Chorio-retinal vessel density in women affected by functional hypothalamic amenorrhea: a monocentric observational cross-sectional study to evaluate the impact of hypoestrogenism on chorio-retinal vascularization.

Functional hypothalamic amenorrhea (FHA) is characterized by an estrogen deficiency which in turn can cause vascular dysfunction. The aim of this study is to evaluate any changes in the chorio-retinal circulation in patients affected by FHA. 24 patients with FHA and 24 age-matched controls underwent a gynecological evaluation and an OCT angiography (OCTA) to study chorio-retinal vascularization. OCTA in FHA patients showed an increase in vessel density in the choriocapillaris (CC) layer (both in the fovea area, at 5% p value = 0.037 and in the whole area, at 5% p value = 0.028) and an increase in vascular density in the deep fovea (DVP) (at 10% p value = 0.096) in the whole district compared to controls. Simple linear regressions show a significant negative association between CC vessel density and insulin (p = 0.0002) and glucose values (p = 0.0335) for the fovea district and a negative association between DVP vessel density and endometrial thickness (at 10%, p value: 0.095) in the whole district. Our study shows that CC vessel density is increased in women affected by FHA. This could represent a compensation effort to supply the vascular dysfunction caused by estrogen deficiency. We also found an increasing trend in vascular density in DVP associated with the decrease of endometrial thickness, an indirect sign of estrogenization. Considering that these changes occur in absence of visual defects, they could be used as a biomarker to estimate hypoestrogenism-induced microcirculation changes before clinical appearance.

Screen Time and its Relation to Toddlers’ Development

Abstract Background Screen-time or digital-screen exposure is the duration of time spent by the individual in using electronic/digital media like television (TV), smartphone, tablet or computer. Even background television exposure has been shown to impact development by reducing the amount and quality of interactions between parents and children. Studies showed that while babies do not absorb content from TV, it can catch and hold their attention. Aim of the Work The aim of the current study was to determine the effect of screen time on different developmental aspects of toddlers. Patients and Methods This was a cross sectional observational study that was conducted in the outpatients’ and Neurodevelopment Clinics, Children’s Hospital, Faculty of Medicine, Ain Shams University on 83 toddlers aged from 1 year to 3 years old who were exposed to screens for a longer duration than the recommended according to the American Academy of Paediatrics (AAP) guidelines. Of 13 months’ time frame, total duration of screen exposure was calculated in minutes/day and was correlated to the composite scores of Bayley scales of infants’ and toddlers’ development third edition. Results A significant negative correlations were found between duration of screen time exposure and all Bayley scales (cognitive, language and motor) composite scores and language scale is more affected. Conclusion The results of this study supported the directional association between screen time and child development. Parents and all the society should be educated about the hazards of screen time exposure on infants and toddlers’ development.