Medical Center In Southern Taiwan Research Articles

Emergence of sporadic non-clustered cases of hospital-associated listeriosis among immunocompromised adults in southern Taiwan from 1992 to 2013: effect of precipitating immunosuppressive agents.

BackgroundSporadic non-clustered hospital-associated listeriosis is an emerging infectious disease in immunocompromised hosts. The current study was designed to determine the impact of long-term and precipitating immunosuppressive agents and underlying diseases on triggering the expression of the disease, and to compare the clinical features and outcome of hospital-associated and community-associated listeriosis.MethodsWe reviewed the medical records of all patients with Listeria monocytogenes isolated from sterile body sites at a large medical center in southern Taiwan during 1992–2013. Non-clustered cases were defined as those unrelated to any other in time or place. Multivariable regression analysis was used to determine factors associated with prognosis.ResultsThirty-five non-clustered cases of listeriosis were identified. Twelve (34.2%) were hospital-associated, and 23 (65.7%) were community-associated. The 60-day mortality was significantly greater in hospital-associated than in community-associated cases (66.7% vs. 17.4%, p = 0.007). Significantly more hospital-associated than community-associated cases were treated with a precipitating immunosuppressive agent within 4 weeks prior to onset of listeriosis (91.7% vs. 4.3%, respectively p < 0.001). The median period from the start of precipitating immunosuppressive treatment to the onset of listeriosis-related symptoms was 12 days (range, 4–27 days) in 11 of the 12 hospital-associated cases. In the multivariable analysis, APACHE II score >21 (p = 0.04) and receipt of precipitating immunosuppressive therapy (p = 0.02) were independent risk factors for 60-day mortality.ConclusionsSporadic non-clustered hospital-associated listeriosis needs to be considered in the differential diagnosis of sepsis in immunocompromised patients, particularly in those treated with new or increased doses of immunosuppressive agents.

The Correlations between Work Stress, Job Satisfaction and Quality of Life among Nurse Anesthetists Working in Medical Centers in Southern Taiwan

The purpose of this study was to investigate the correlation between job stress, job satisfaction, and quality of life for nurse anesthetists at medical centers in Southern Taiwan. The study adopted a cross-sectional study design. The interviewees were nurse anesthetists at three medical centers in Southern Taiwan who had been employed in their respective units for over 6 months. The recruitment period was from January 2012 to March 2012. Data was collected using a structured questionnaire composed of the following sections: basic personal characteristics, perceived source of job stress for medical work scale, job satisfaction for nurses scale, and SF-36 quality of life scale. A total 150 nurses participated in the study. The results showed a statistically significant difference in monthly overtime amounts in relation to overall job stress. Hospital, age, work place, overtime amount, intention to resign, and nurse anesthetist work terms also showed significant differences in relation to subjects’ overall job satisfaction. After using stepwise multiple regression, the average quality of life score for subjects with intention to resign was 8.231 points lower than that of those without such intention; for each increase of 1 point in the “overall job satisfaction” section, the score for quality of life rose by 0.481 points; those with exercise habits scored 5.942 points higher than those without; those in a subspecialty showed an average score of 5.287 points higher than those without. In conclusion, intention to resign, overall job satisfaction, exercise habits, and having a subspecialty are the critical factors influencing quality of life among anesthesia nurses.

Association of Fatty Liver Disease with Nonfatal Cardiovascular Events in Patients Undergoing Maintenance Hemodialysis

Background/Aims: The prevalence of cardiovascular (CV) disease in patients undergoing maintenance hemodialysis (HD) is reportedly higher than that in healthy individuals. In the present study, we aimed to investigate whether ultrasonographically documented fatty liver disease (FLD) is an independent risk factor for nonfatal CV events in patients undergoing HD. Methods: A retrospective cohort study was conducted in a medical center in southern Taiwan. The medical records of 490 patients undergoing HD who were enrolled between July 1998 and October 2012 were screened. Finally, 278 patients who had undergone hepatic ultrasonography and had available data were recruited in the present study. The patients included 130 men and 148 women; their mean age was 59.9 years. The primary endpoint was nonfatal CV events in the observation period. The comparable data included epidemiological, hematological, and biochemical profiles. A time-dependent statistical method was used to analyze the associated factors. Results: The prevalence of nonfatal CV events was significantly increased in the patients with FLD compared with those without FLD (CV events: 32 vs. 18%, respectively; p = 0.008). After adjusting for associated risk factors (sex, age, body mass index, smoking, diabetes, hypertension, dyslipidemia, and Kt/V), multivariate analyses identified FLD (CV events: hazard ratio 2.84, 95% confidence interval 1.52-5.28, p = 0.001), advanced age, and diabetes to be independently associated with nonfatal CV events. Conclusion: The study suggests that FLD was an independent risk factor for nonfatal CV events in patients undergoing maintenance HD.

Development of evidence-based clinical practice guidelines for endotracheal suction in premature infants

Endotracheal suctioning (ETS) for mechanically ventilated premature infants is a routine practice in neonatal intensive care. However, ETS is associated with hypoxemia and bradycardia, which may cause brain damage and negatively affect neurodevelopmental outcomes. This study develops a set of evidence-based clinical-practice ETS guidelines for premature infants. A multidisciplinary task group at a medical center in southern Taiwan was established. Team members analyzed current ETS practice guidelines, constructed foreground questions, reviewed each question systemically, drafted a new set of guidelines, established expert consensus, disseminated the developed guidelines within a hospital setting, and evaluated their efficacy in practice. The developed ETS guidelines address 13 issues with 39 recommendations. The Delphi method found that 75% of experts agreed with all of the recommendations. Issues addressed in the ETS included pre-assessment, frequency of suctioning, pre-oxygenation, suction-tube selection, infection control, suction pressure and depth decision making, humidity with normal saline, suction duration and number, containment and comforting, assessment during and after suctioning, recovery time, and documentation. The panel of clinical and methodological experts recommended that ETS be used in practice and nurses in the neonatal intensive care unit evaluated the ETS as applicable and accessible. The cardiorespiratory responses to ETS of 5 premature infants were within normal ranges without episodes of hypoxemia (oxygen saturation < 85%) or bradycardia (heart rate < 100 beat/min). This set of evidence-based ETS guidelines for premature infants integrated recommendations from the best available literature and obtained a high consensus among clinical experts. Thus, these guidelines are recommended for clinical application.

Changes in Outcome and Complication Rates of Very-low-birth-weight Infants in One Tertiary Center in Southern Taiwan Between 2003 and 2010

Neonatal intensive care has changed dramatically over the past few decades and the survival of infants has generally improved in many countries. The purpose of this study was to explore the recent evolution of mortality and morbidities among very-low-birth-weight (VLBW) infants in southern Taiwan. We retrospectively reviewed the medical records of VLBW (birth weight <1500g) infants who were admitted to a neonatal intensive care unit at a tertiary medical center in southern Taiwan from 2003 to 2010. The study period was divided into two cohorts: the first cohort of 2003-2006 and the second cohort of 2007-2010. Demographic profiles and complications were recorded, including the following information: sex, birth body weight (BBW), gestational age (GA), Apgar score, patent ductus arteriosus (PDA), necrotizing enterocolitis, retinopathy, chronic lung disease (CLD), inguinal hernia, and sepsis. The length of stay (LOS) in hospital was compared between the two cohorts. A total of 420 (212 male) VLBW infants were enrolled with 52 (12.4%) deaths. Compared to surviving infants, deceased infants had significantly lower GA, Apgar scores, and BBW. The mortality of VLBW infants remained static between the two birth cohorts, but the incidence of major morbidities generally decreased. The LOS for overall surviving infants and the proportion of LOS>60 days were both reduced in the period of 2007-2010. With further stratification by BBW, the major reduction of long LOS was only found in the group of BBW≥1000g. The multivariate logistic regression model found PDA, CLD, and BBW<1000g were major complications to be associated with long LOS among surviving infants. Periodic evaluation of the mortality and morbidity of preterm infants can help to understand the changes and trends of our neonatal care. Further study using the national dataset to provide more representative information is warranted.

In vitro activity of colistin sulfate against Enterobacteriaceae producing extended-spectrum β-lactamases

The widespread multidrug-resistant Enterobacteriaceae pose a serious therapeutic challenge. Colistin and tigecycline are potential antimicrobial agents for treating infections caused by extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae. We evaluated the in-vitro activity of colistin sulfate against 253 ESBL producers isolated from patients admitted to a medical center in southern Taiwan (Escherichia coli, n=82; Klebsiella pneumoniae, n=102; Enterobacter cloacae, n=34; and Serratia marcescens, n=35). Colistin showed promising in-vitro activity against E. coli, K. pneumoniae, and E. cloacae, but not S. marcescens. One ESBL-producing K. pneumoniae strain with resistance to carbapenems (ertapenem, imipenem, and meropenem) was selected for time-killing studies. A combination of colistin and tigecycline showed synergism, but there was an inoculum effect. In conclusion, colistin was active against most ESBL-producing Enterobacteriaceae, and a combination of colistin with tigecycline was synergistic against some highly resistant strains, even those with carbapenem resistance.

Factors influencing the participation of post coronary artery bypass patients in cardiac rehabilitation exercise

Studies have shown that cardiovascular rehabilitation exercise improves quality of life in post-coronary-bypass-surgery patients. However, the rate of participation in this exercise by this patient group in Taiwan has increased only 8.2% during the past 13 years (from 61.9% in 1996 to 70.1% in 2009). Little is known about the factors that influence patient motivation to participate in cardiovascular rehabilitation exercise. This study explores the factors that influence patient participation in rehabilitation exercise following coronary bypass surgery. This cross-sectional, correlational study recruited a convenience sample of 253 patients who had undergone coronary bypass surgery at a medical center in southern Taiwan. Structured questionnaires, including a patient rehabilitation exercise experience questionnaire, Short Form-36 Health Survey-Taiwan Form, and cardiac rehabilitation exercise design factors questionnaire were used for data collection. SPSS19.0 was used to analyze data. The variables "healthcare provider recommendation of rehabilitation exercise", "exercise program accessibility", "physical health status", and "patient post-surgical exercise patterns" each had a significant influence on participant participation in post-surgical rehabilitation exercise. Binary logistic regression analyses identified "receiving information on rehabilitation exercise", "level of patient-perceived importance of rehabilitation exercise", and "having post-surgical exercise patterns" as important predictors of participation in a rehabilitation exercise program, with OR ratios of 112, 7.86, and 3.23 times respectively. These 3 factors accounted for 90.1% of the total variance. Patient education on coronary bypass post-surgical rehabilitation exercise programs should be emphasized during pre-surgical consultation and care in order to facilitate the recovery of normal life functions following coronary bypass surgery.

Disease acceptance and adherence to imatinib in Taiwanese chronic myeloid leukaemia outpatients

Background The launch of imatinib has turned chronic myeloid leukaemia (CML) into a chronic illness due to the dramatic improvement in survival. Several recent studies have demonstrated that poor adherence to imatinib may hamper the therapeutic outcomes and result in increased medical expenditures, whilst research on exploring the reasons for non-adherence to imatinib is still limited. Objective This study aimed to explore the experience of patients as they journey through their CML treatments and associated imatinib utilisation in order to understand the perceptions, attitudes and concerns that may influence adherence to imatinib treatment. Setting This study was conducted at oncology outpatient clinics in a medical centre in southern Taiwan. Methods CML patients who regularly attended the oncology outpatient clinics to receive imatinib treatment from October 2011 to March 2012 were invited to participate in the study. Semi-structured face-to-face interviews were used to explore patients’ experiences and views of their treatment, their current CML status and CML-related health conditions, their concerns about imatinib treatment and imatinib-taking behaviours. Patient interviews were recorded, transcribed verbatim and thematically analysed using the constant comparison approach. Main outcome measure Themes related to patients’ views of the disease and health conditions, worries and concerns influencing imatinib utilisation behaviours are reported. Results Forty-two CML patients participated in the interviews. The emerging themes included: acceptance of current disease and health status, misconceptions about disease progression, factors associated with adherence to imatinib, concerns and management of adverse drug effects. Participants regarded CML as a chronic disease but had misconceptions about disease progression, therapeutic monitoring, resistance to imatinib and symptoms of side effects. Participants were generally adherent to imatinib and favoured long-term prescriptions to avoid regular outpatient visits for medication refills. Experiencing adverse effect was the main reason influencing adherence and led to polypharmacy. Most participants altered medicine-taking behaviours to maintain long-term use of imatinib. Conclusion Taiwanese CML patients are adherent to imatinib but report changing their medication-taking behaviour due to adverse drug effects and associated polypharmacy. Patients’ misconceptions of the disease and medication suggests that it is necessary to improve communication between patients and healthcare professionals. Routinely providing updated information as part of the patient counselling process should be considered as a means of improving this communication.

The trend of macrolide resistance and emm types of group A streptococci from children at a medical center in southern Taiwan

Group A streptococcus (GAS) is a common pathogen in children. Macrolide resistance in GAS has been described worldwide. The aims of this study are to analyze macrolide resistance of GAS isolates in southern Taiwan and to clarify the relationship of emm typing and macrolide resistance in the past decade. All GAS isolated from patients younger than 18 years at a single tertiary center in southern Taiwan were collected from 2000 to 2012. Antibiotics susceptibility to erythromycin, azithromycin, and clindamycin were determined by agar dilution method, and were interpreted by Clinical and Laboratory Standards Institute (CLSI) standards. emm typing was performed by polymerase chain reaction (PCR). A total of 301 isolates were collected during the period of 13 years. Scarlet fever (38.5%) and acute pharyngitis (32.2%) were the most common diagnosis. Decreased resistance rate of erythromycin from 53.1% in 2000 to 0% in 2010 was found, but it increased rapidly to 65% in 2011. The resistance rate of azithromycin was the lowest (4.2%) in 2005, but was higher than 15% after 2006. The involvement of the erythromycin resistance genes were mefA (53.1%), ermB (35.9%), and ermTR (10.9%). The resistance of clindamycin also increased since 2011. emm12 was the most common serotype and accounted for 44.9% of all isolates. Compared with the non-emm12 group, resistance to erythromycin, azithromycin, and clindamycin were more frequently detected in the emm12 group. Increased resistance of GAS to macrolide and clindamycin was found in recent years. emm12 was the main serotype for macrolide resistance.

Higher rate of hepatitis events in patients with human immunodeficiency virus, hepatitis B, and hepatitis D genotype II infection: A cohort study in a medical center in southern Taiwan

The epidemiology and impact of hepatitis δ virus (HDV) on hepatic outcomes and virological and immunological responses to highly active antiretroviral therapy (HAART) in human immunodeficiency virus (HIV) patients coinfected with hepatitis B virus (HBV) in northern Taiwan have been reported. However, the epidemiology and impact of HDV infection in HIV-HBV coinfection patients in southern Taiwan remains uncertain. In this cohort study, a total of 64 HIV patients coinfected with HBV were identified between January 1, 2009 and May 30, 2012. The seroprevalence of anti-HDV antibodies, HDV genotyping, clinical manifestations and hepatic outcomes were compared between the patients with and without HDV coinfection, and laboratory examinations and hepatic outcomes were recorded. Among the 64 HIV patients coinfected with HBV, seven were seropositive for HDV (10.9%). There were no statistically significant differences in risk factors for acquiring HIV infection. During a median observation period of 27.8 months, the adjusted hazard ratio of HDV and HBV genotype (type B vs. non-type B) on hepatitis flare-ups were 62.132 (p = 0.04) and 0.028 (p = 0.01), respectively. All seven patients had genotype II and were HDV viremic. The phylogenetic tree analysis and clinical history evaluation did not identify any clusters of HDV infection. HDV infection resulted in higher rate of hepatitis flare-ups, but it did not have a statistical significance on HIV progression and immunological response to HAART. Whether higher rate of HDV viremia has worse impact on the hepatic outcomes requires further investigation.

Comparing the Antiswelling and Analgesic Effects of Three Different Ice Pack Therapy Durations

Ice pack therapy has been widely used in treatment for soft tissue injuries. However, no studies have yet explored the most appropriate and effective duration for ice therapy with ice packs. This study explored the antiswelling and analgesic effects of different ice pack therapy durations on soft tissue injuries as well as patient discomfort. An experimental design including pretest and three posttests with three groups was used in this study. Using convenience sampling and randomized block assignment, 99 participants with soft tissue injuries from the emergency department of a medical center in southern Taiwan were included in this study. With 33 participants in each group, three groups with ice pack therapy for 10, 20, and 30 minutes were indicated to compare skin temperature, swelling, and pain differences in ice-treated areas as well as participant discomfort. This study found no significant differences in the effect of different ice pack therapy durations among the three groups. However, this study identified significant differences between pretest and each posttest in terms of changes in skin temperature, pain, and numbness and rash-related discomfort in each group. Research results found that the three different ice pack therapy durations could lower skin temperature and reduce partial pain. The different ice pack therapy durations would cause similar discomfort incidence rates in the three groups. Ice pack therapy for 10 minutes could reduce partial swelling and pain effectively. Accordingly, we suggest that 10 minutes is the optimal ice pack therapy duration for persons with soft tissue injuries. However, the ice pack therapy duration should be adjusted according to individual needs and situation.

Childhood tuberculosis in southern Taiwan, with emphasis on central nervous system complications

Childhood tuberculosis (TB) continues to be a major public health problem in Taiwan. Taiwan remains a highly endemic area despite neonatal Bacillus Calmette-Guérin (BCG) vaccination and the availability of anti-TB therapy. The presentation is highly variable and it is often difficult to make an accurate diagnosis. This study was designed to evaluate the demographic, clinical, and laboratory findings and outcomes of TB in children with emphasis on central nervous system (CNS) complications. The medical records of 80 children diagnosed with TB at a medical center in southern Taiwan over the past 24 years (1988-2012) were reviewed. Among them, 48.8% (39/80) had pulmonary TB, 27.5% (22/80) had isolated extrapulmonary TB, and 23.7% (19/80) had disseminated TB. Most infected cases were aged either < 4 years or > 12 years. TB contact history was found in 42.5% (34/80) cases. Fourteen (17.5%) of the cases had CNS involvement. The most common presentations were fever (85.7%), signs of increased intracranial pressure (71.4%), drowsiness (64.3%), and focal neurological signs (57.1%). The major radiological findings were tuberculoma (50%), basilar enhancement (41.6%), infarction (41.6%), hydrocephalus (16.6%), and transverse myelitis (16.6%). The case fatality of CNS TB was 14.3% and 21.4% had neurologic sequelae. Findings suggest that positive exposure history and suspicious clinical presentations are important clues for further confirmatory laboratory and image studies in childhood TB. CNS TB usually presented as part of disseminated TB in children. Early diagnosis and treatment may lead to favorable outcomes in CNS TB.

Bacteremia due to Brevundimonas vesicularis

In the original article on Brevundimonas vesicularis bacteremia, Zhang et al described the clinical characteristics and microbiological features of 22 patients with primary B. vesicularis bacteremia who were being treated in a medical center in southern Taiwan during 2006e2009. In this study, microbiological identification was performed with an API 20 NE system (bioMerieux, Marcy L’etoile, France) or Phoenix100 automated system (Becton, Dickinson, and Company, Sparks, MD, USA). However, there are some differences between commercial automated identification methods and 16s rRNA gene sequencing, as shown in another case series study conducted in Taiwan. Of the four strains identified as B. vesicularis by the Phoenix system, three were finally confirmed as Brevundimonas nasdae and one as Brevundimonas diminuta by the 16s rRNA gene sequencing. Again, four isolates were identified as B. diminuta or B. vesicularis by the VITEK 2 system (bioMerieux), which were finally confirmed as B. nasdae by 16s rRNA gene sequencing. Therefore, in addition to commercial identification methods, further identification by amolecularmethodmight

Outcomes for type 2 diabetes mellitus patients with diverse regimens

To compare the levels of self-care behaviour, social support and quality of life among type 2 diabetes mellitus patients who underwent three regimens: taking medicine, taking-medicine-while dieting and taking-medicine-while-dieting-with exercise. Diabetes treatment is a critical concern worldwide. However, studies on self-care behaviour, social support and quality of life based on diabetes patients' diverse regimens are few. This study was a cross-sectional design. We enrolled 127 outpatients aged over 40 years who visited a metabolism clinic at a medical centre in Southern Taiwan. The Self-care Behaviour Scale, Social Support Scale and Quality of Life Scale were used to collect data. The results indicated that patients with a combined regimen of taking-medicine-while-dieting-with-regular exercise had the highest score at the levels of social support, self-care behaviour and quality of life. The study results could offer evidence-based knowledge for healthcare professionals to guide and promote social support, self-care behaviour and quality of life for people diagnosed with type 2 diabetes. These findings will help healthcare professionals to establish appropriate nursing strategies for type 2 diabetes patients who need to exercise regularly as part of their daily care to enhance their self-care behaviour, social support and quality of life.

Non-adherence to anti-osteoporotic medications in Taiwan: physician specialty makes a difference

Adherence to anti-osteoporotic regimens gradually decreases over time. We hypothesized that the determinants of non-compliance or non-persistence at different times vary and identified these differences. We used an outpatient database to retrieve information on anti-osteoporotic medications prescribed by a medical centre in southern Taiwan during 2001-2007. Compliance was defined as a medication possession ratio (MPR) ≥80 %. Persistence was determined as continuous use, allowing for a refill gap of 30 days. A multivariate Cox regression model evaluated potential predictors of non-adherence. A total of 3589 patients were included. In the multivariate analyses, non-compliance for both year 1 and year 2 was more likely in patients with non-vertebral non-hip fractures, respiratory disorders, prescription of the first anti-osteoporotic regimen by an orthopedist; and less likely in patients with follow-up bone densitometry and switched regimens. Risks for non-persistence at year 1 and year 2 were generally similar to those for non-compliance; insurance coverage and malignancy were associated with a lower risk of non-persistence at year 1 and year 2, respectively. In the subgroup with an MPR ≥80 % at year 1, an index prescription by an orthopedist was the only independent predictor of non-compliance and non-persistence at year 2. In conclusion, the positive or negative determinants of non-adherence were different at year 1 and year 2, which indicated that clinicians might deliver effective interventions to improve adherence via different precautions annually. This study also provided evidence that physician specialty had a significant effect on adherence to osteoporosis care.

Trajectories and predictors of functional decline of hospitalised older patients

To delineate the trajectories of functional status over four time points and to examine predictors of functional decline (FD) in hospitalised older patients. About 30-60% of the older patients develop new dependence in activities of daily living (ADL) during a hospital stay, which results in progressive disability after discharge. The functional trajectories and risk factors of FD among hospitalised older patients require identification. A cohort study. The study consecutively recruited 273 patients aged 65 and older admitted to a medical centre in southern Taiwan. Functional trajectory, by ADL score, was observed at four time points: two weeks before admission, admission, discharge and three months after discharge. The ADL score two weeks before admission was used as a baseline functional status. Eighty-three (30·4%) patients experienced FD at three months after discharge. Functional trajectory as shown by ADL scores indicated that all 273 patients dropped steeply at admission and that two-thirds were gradually restored three months after discharge. Logistic regression revealed that the number of falls in the past year, Instrument Activities of Daily Living (IADL) status before admission, comorbidity and ADL decline between preadmission and discharge were significant predictors of FD three months after discharge. The ADL score decline during hospitalisation was the mediator of FD three months after discharge. Findings indicate that the ADL function of those hospitalised older patients who reported having fallen more often in the previous year had more comorbidity, had a lower IADL score, and had more ADL score decline before admission and discharge would continue to decline after discharge. Clinical nurses can integrate the finding of this study with Comprehensive Geriatric Assessment to tailor intervention to restore older patient's physical function during hospitalisation.

Clinical Characteristics of Endogenous Cushing’s Syndrome at a Medical Center in Southern Taiwan

From January 1987 to December 2011, over a total of 25 years, 84 patients with Cushing's syndrome (CS) were identified at a medical center in southern Taiwan. We observed a higher incidence of ACTH-independent CS (75%) than ACTH-dependent CS (25%). A higher incidence of adrenocortical adenoma (58.3%) than Cushing's disease (CD, 21.4%) was also found. The sensitivity of the definitive diagnostic tests for CS, including loss of plasma cortisol circadian rhythm, a baseline 24 h urinary free cortisol (UFC) value >80 μg, and overnight and 2-day low-dose dexamethasone suppression test, was between 94.4% and 100%. For the 2-day high-dose dexamethasone suppression test for the differential diagnosis of CD, the sensitivity of 0800 h plasma cortisol and 24 h UFC was 44.4% and 85.7%, respectively. For the differential diagnosis of adrenal CS, the sensitivities of the 0800 h plasma cortisol and 24 h UFC were 95.5% and 88.9%, respectively. In patients with ACTH-independent CS and ACTH-dependent CS, the baseline plasma ACTH levels were all below 29 pg/mL and above 37 pg/mL, respectively. The postsurgical hospitalization stay following retroperitoneoscopic adrenalectomy was shorter than that observed for transabdominal adrenalectomy (4.3 ± 1.6 versus 8.8 ± 3.7 days, P < 0.001). It was easy to develop retroperitoneal and peritoneal seeding of adrenocortical carcinoma via laparoscopic adrenalectomy.

The effect of a workflow-based response system on hospital-wide voluntary incident reporting rates

Hospital incident reporting systems are usually evaluated on their theoretical benefit to the hospital or increase in reporting rates alone. To evaluate a workflow-based response system on staff incident reporting rates. A prospective cohort study of incident reports made by staff members before (2006-2007) and after (2008-2009) the system was implemented on 1 January 2008 at a medical center in southern Taiwan. Pre-system and post-system data were based on 713 129 and 730 176 inpatient days and 160 692 and 168 850 emergency department visits. The addition of a workflow-based response system to a reporting system processing incident reports and intra-hospital responses. Voluntary incident reporting rates and distribution of incident severities. Inpatient reports [9.9 vs. 28.8 per 10 000 patient days; rate ratio (RR): 2.9, 95% confidence interval (CI): 2.7-3.2, P < 0.001] and emergency department reports (5.9 vs. 19.2 per 10 000 visits, RR: 3.3, 95% CI: 2.6-4.1, P < 0.001) increased significantly, particularly in doctors in inpatient areas (RR: 2.7, 95% CI: 1.8-4.1, P < 0.001), emergency department nurses (RR: 9.4, 95% CI: 6.1-14.4, P < 0.001) and allied health professionals in inpatient areas (RR: 2.2, 95% CI:1.8-2.6, P < 0.001). Post-system reported incidents were more evenly distributed over five severity levels than pre-sytem incidents, moving more toward the very severe level (RR: 17.6, 95% CI: 8.4-37.0, P < 0.001) and no harm level (RR: 6.2, 95% CI: 4.5-8.7, P < 0.001). The addition of the workflow-based response system to the hospital incident reporting system significantly increased hospital-wide voluntary incident report rates at all incident injury levels.

Human sex ratio at amniocentesis and at birth in Taiwan

ObjectivesAn increase in the proportion of male-to-female live births has raised concerns in Taiwan. Disclosure of fetal sex during prenatal screening is not allowed by the Taiwan government. Fetal sex annotation in clinical genetic reports is also prohibited. This study tested the hypothesis that the male-to-female sex ratio at amniocentesis should be lower than the sex ratio at birth, if a certain percentage of female fetuses are being selectively aborted after amniocentesis. Therefore, we examined the differences between fetal sex ratio at amniocentesis at a tertiary medical center in southern Taiwan and the nationwide sex ratio at birth in Taiwan from 1992 to 2011. Materials and MethodsData of normal male and female karyotypes during the study period were collected from the cytogenetic laboratory of the National Cheng Kung University Hospital (NCKUH) in southern Taiwan. Data of sex ratio at birth nationwide in Taiwan were obtained from the Department of Statistics, Ministry of the Interior, Taiwan. We calculated 95% binominal confidence intervals for the sex ratios and differences between fetal sex ratio at amniocentesis, and nationwide sex ratio at birth were tested by the χ2 test and Bonferroni correction. ResultsThe nationwide sex ratio at birth ranged from 1.07 to 1.11 during the period from 1992 to 2011 in Taiwan, with the highest in 2004 and the lowest in 1993. The fetal sex ratio at amniocentesis at NCKUH ranged more widely (0.82–1.28), with the lowest in 1993 and the highest in 2007. After regression analysis, both trends of sex ratio at amniocentesis during midtrimester and at birth were not significantly increased by years. Furthermore, the sex distribution at amniocentesis during midtrimester did not differ significantly from the nationwide sex ratio at birth (1.113 vs. 1.092, p = 0.151). ConclusionsThe results showed that sex ratio was already skewed toward male at midtrimester. Our data imply that artificial sex selection, if it were present, might have already emerged prior to the timing of amniocentesis. However, more large nationwide studies on sex ratios in Taiwan are warranted.

Pneumocystis jiroveci pneumonia in immunocompromised patients: Delayed diagnosis and poor outcomes in non-HIV-infected individuals

Pneumocystis jiroveci pneumonia (PJP) is a life-threatening disease in immunocompromised patients. Improved knowledge about the varied characteristics and management in different populations may guide treatment. We evaluated the clinical characteristics, management, and outcomes of patients with PJP diagnosed by nested polymerase chain reaction at a medical center in southern Taiwan from 2008 to 2011. The risk factors of mortality among non-human immunodeficiency virus (HIV)-infected patients were analyzed. During the study period, there were 43 cases of PJP, and the common underlying diseases were HIV infection (23 patients, median CD4 count: 19/μl) and malignancy. The HIV-infected patients had a younger age (36.9 ± 13.7 vs. 50.2 ± 16.2 years, p = 0.006), a lower body mass index (19.9 ± 2.3 vs. 22.0 ± 3.7 kg/m(2), p = 0.035), a longer duration of symptoms before admission (24 ± 29 vs. 7 ± 15 days, p = 0.035), and a lower pneumonia severity index (56 ± 25 vs. 99 ± 35, p < 0.001) than non-HIV-infected patients. A delay between admission and starting antimicrobial therapy for PJP (10 ± 10 days vs. 1 ± 3 days, p = 0.004) and a high crude mortality (12/20, 60% vs. 2/23, 9%, p = 0.001) were noted in non-HIV-infected patients. In the univariate analysis, the risk factors for mortality were a low lymphocyte count (p < 0.05) and shock during hospitalization (p = 0.004). A delay in the initiation of antimicrobial therapy for PJP and severe pneumonia were more common in the non-HIV-infected patients and were most likely related to the poor prognosis. The utilization of sensitive diagnostic tools to facilitate early diagnosis and treatment may improve the clinical outcomes of non-HIV-infected patients with PJP.