This meta-analysis demonstrates significantly increased risks of incident and recurrent C. difficile-associated diarrhea in patients with CKD. Furthermore, the magnitude of increased risk of C. difficile-associated diarrhea in ESRD patients is even higher.
BACKGROUND The objective of this systematic review and meta-analysis was to assess the clinical outcomes of Clostridium difficile infection (CDI) in patients with chronic kidney diseases (CKD) and end stage renal disease (ESRD). METHODS A literature search was performed from inception through February 2015. Studies that reported relative risks, odds ratios, or hazard ratios comparing the clinical outcomes of CDI in patients with CKD or ESRD and those without CKD or ESRD were included. Pooled risk ratios (RRs) and 95% confidence intervals (CIs) were calculated using a random-effect, generic inverse variance method. RESULTS 19 studies (a case-control and 18 cohort studies) with 116,875 patients assessing clinical outcomes of CDI were included in the meta-analysis. Pooled RR of severe or complicated CDI in CKD patients was 1.51 (95% CI 1.00–2.28). The risk of recurrent CDI is significant higher in patients with a pooled RR of 2.73 (95% CI, 1.36–5.47). The pooled RR of mortality risk of CDI in patients with CKD, ESRD, and CKD or ESRD were 1.76 (95% CI, 1.26–2.47), 1.58 (1.37–1.83) and 1.76 (1.32–2.34), respectively. CONCLUSION This meta-analysis demonstrates poor outcomes of CDI including severe and recurrent CDI in CKD patients. History of CKD and ESRD are both associated with increased mortality risk in patients with CDI.
INTRODUCTION: Elective therapeutic endoscopy is an important component of care of cirrhotic patients, but there are concerns regarding the risk of bleeding. This study examined the incidence, risk factors, and outcomes of bleeding after endoscopic variceal ligation (EVL), colonoscopic polypectomy, and endoscopic retrograde cholangiopancreatography with sphincterotomy in cirrhotic patients. METHODS: A cohort study of patients with cirrhosis who underwent the above procedures at a single center between 2012 and 2014 was performed. Patients with active bleeding at the time of procedure were excluded. Patients were followed for 30 days to assess for postprocedural bleeding and for 90 days for mortality. RESULTS: A total of 1,324 procedures were performed in 857 patients (886 upper endoscopies, 358 colonoscopies, and 80 endoscopic retrograde cholangiopancreatograpies). After EVL, bleeding occurred in 2.8%; after polypectomy, bleeding occurred in 2.0%; and after sphincterotomy, bleeding occurred in 3.8%. Independent predictors of bleeding after EVL and polypectomy included younger age and lower hemoglobin. For EVL, bleeding was also associated with infection and model for end-stage liver disease-Na. International normalized ratio was associated with bleeding in univariate analysis only, and platelet count was not associated with bleeding in any procedure. Bleeding after EVL was associated with 29% 90-day mortality, and bleeding after polypectomy was associated with 14% mortality. Of the 3 patients with postsphincterotomy bleeding, none were outliers regarding their baseline characteristics. DISCUSSION: In patients with cirrhosis, bleeding occurs infrequently after elective therapeutic endoscopy and is associated with younger age, lower hemoglobin, and high mortality. Consideration of these risk factors may guide appropriate timing and preprocedural management to optimize outcomes.
Several immune disorders are often associated with thymoma. The aim of this study was to analyze the correlation between clinicopathological features of Thai patients with thymoma and concomitant immune-mediated diseases. Medical records of 87 patients diagnosed with thymoma during a 10-year period were retrospectively reviewed. Peripheral blood T cell subsets along with cytokine responses in 15 thymoma patients and 15 healthy controls were comparatively analyzed. The results demonstrated that thymoma type AB and B2 were the most common types among patients diagnosed with thymoma. The most common presentation was incidentaloma, followed by local chest symptoms and autoimmune diseases. The prevalence of autoimmune diseases, immunodeficiency states, and secondary neoplasms was 34.5, 10.3, and 10.3 %, respectively. Autoimmune diseases were most frequently found in thymoma type B2 and sometimes associated with clinical immunodeficiency, although classic Good's syndrome was rare. Patients with thymoma had significantly lower percentage CD4(+ve) T cells and interferon γ response, but higher percentage regulatory T cells than those in healthy controls. This study indicated that the aberrant immunologic disorders comprising autoimmune diseases, immunodeficiency states, and secondary neoplasms were found in almost 40 % of Thai patients with thymoma and possibly related to defectiva cytokine responses and altered T cell subsets.
BackgroundRepeat hospitalizations in veterans with inflammatory bowel disease (IBD) are understudied. The early readmission rate and potentially modifiable risk-factors for 90-day readmission in veterans with IBD were studied to avert avoidable readmissions.MethodsA retrospective cohort study was conducted using the data from veterans who were admitted to the Minneapolis VA Medical Center (MVMC) between January 1, 2007, and December 31, 2013, for an IBD-related problem. All-cause readmissions within 30 and 90 days were recorded to calculate early readmission rates. The multivariate logistic regression was used to identify the potential risk factors for 90-day readmission.ResultsThere were 130 unique patients (56.9% with Crohn’s disease and 43.1% with ulcerative colitis) with 202 IBD-related index admissions. The mean age at the time of index admission was 59.8 ± 15.2 years. The median time to re-hospitalization was 26 days (IQR 10-49), with 30- and 90-day readmission rates of 17.3% (35/202) and 29.2% (59/202), respectively. Reasons for all-cause readmission were IBD-related (71.2%), scheduled surgery (3.4%) and non-gastrointestinal causes (25.4%). The following reasons were independently associated with 90-day readmission: Crohn’s disease (OR 3.90; 95% CI 1.82-8.90), use of antidepressants (OR 2.19; 95% CI 1.12-4.32), and lack of follow-up within 90 days with a primary care physician (PCP) (OR 2.63; 95% CI 1.32-5.26) or a gastroenterologist (GI) (OR 2.44; 95% CI 1.20-5.00). 51.0% and 49.0% of patients had documentation of a recommended outpatient follow-up with PCP and/or GI, respectively.ConclusionsEarly readmission in IBD is common. Independent risk factors for 90-day readmission included Crohn’s disease, use of antidepressants and lack of follow-up visit with PCP or GI. Further research is required to determine if the appropriate timing of post-discharge follow-up can reduce IBD readmissions.
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