BackgroundGuidelines have classified patients with acute coronary syndrome (ACS) and diabetes as a special population, with specific sections presented for the management of these patients considering their extremely high risk. However, in China up-to-date information is lacking regarding the burden of diabetes in patients with ACS and the potential impact of diabetes status on the in-hospital outcomes of these patients. This study aims to provide updated estimation for the burden of diabetes in patients with ACS in China and to evaluate whether diabetes is still associated with excess risks of early mortality and major adverse cardiovascular and cerebrovascular events (MACCE) for ACS patients.MethodsThe Improving Care for Cardiovascular Disease in China-ACS Project was a collaborative study of the American Heart Association and the Chinese Society of Cardiology. A total of 63,450 inpatients with a definitive diagnosis of ACS were included. Prevalence of diabetes was evaluated in the overall study population and subgroups. Multivariate logistic regression was performed to examine the association between diabetes and in-hospital outcomes, and a propensity-score-matched analysis was further conducted.ResultsAmong these ACS patients, 23,880 (37.6%) had diabetes/possible diabetes. Both STEMI and NSTE-ACS patients had a high prevalence of diabetes/possible diabetes (36.8% versus 39.0%). The prevalence of diabetes/possible diabetes was higher in women (45.0% versus 35.2%, p < 0.001). Even in patients younger than 45 years, 26.9% had diabetes/possible diabetes. While receiving comparable treatments for ACS, diabetes/possible diabetes was associated with a twofold higher risk of all-cause death (adjusted odds ratio 2.04 [95% confidence interval 1.78–2.33]) and a 1.5-fold higher risk of MACCE (adjusted odds ratio 1.54 [95% confidence interval 1.39–1.72]).ConclusionsDiabetes was highly prevalent in patients with ACS in China. Considerable excess risks for early mortality and major adverse cardiovascular events were found in these patients.Trial registration NCT02306616. Registered December 3, 2014Electronic supplementary materialThe online version of this article (10.1186/s12933-018-0793-x) contains supplementary material, which is available to authorized users.

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BACKGROUND Biliary decompression is well known to greatly decrease the risks of mortality in acute cholangitis (AC). Although early biliary drainage is recommended by the treatment guidelines for AC, the best time for performing this procedure is yet to be established. Furthermore, since the clinical outcomes of patients with severe AC vary dramatically, screening for patients that could benefit the most from early drainage would be more beneficial than the drainage performed based on the severity grade criteria. AIM To investigate the optimal drainage timing for AC patients with each disease severity grade and organ dysfunction. METHODS In this retrospective monocenter cohort analysis, we reviewed 1305 patients who were diagnosed with AC according to the Tokyo guidelines 2018 at a Chinese tertiary hospital between July 2016 and December 2020. Demographic characteristics including age and sex, clinical and laboratory characteristics, and imaging findings of each patient were obtained from electronic medical records. We investigated the all-cause in-hospital mortality (IHM), hospital length of stay (LOS), and hospitalization costs associated with the timing of biliary drainage according to the severity grading and different dysfunctioning organs and predictors [age, white blood cell (WBC) count, total bilirubin, albumin, lactate, malignant obstruction, and Charlton comorbidity index (CCI)]. RESULTS Biliary drainage within 24 or 48 h in Grade III AC patients could dramatically decrease IHM (3.9% vs 9.0%, P = 0.041; 4% vs 9.9%, P = 0.018, respectively), while increasing LOS and hospitalization costs. Multivariate logistic analysis revealed that neurological, respiratory, renal, and cardiovascular dysfunctions, hypoalbuminemia, and malignant obstruction were significantly associated with IHM (odds ratio = 5.32, 2.541, 6.356, 4.021, 5.655, and 7.522; P < 0.001, P = 0.016, P < 0.001, P = 0.012, P < 0.001, and P < 0.001; respectively). Biliary decompression performed within 12 h of admission significantly decreased the IHM in AC patients with neurological dysfunction (0% vs 17.3%, P = 0.041) or with serum lactate > 2 mmol/L (0% vs 5.4%, P = 0.016). In the subgroup of AC patients with renal dysfunction, abnormal WBC count, hyperbilirubinemia, or hypoalbuminemia, early drainage (< 24 h) reduced the IHM (3.6% vs 33.3%, P = 0.004; 1.9% vs 5.8%, P = 0.031; 1.7% vs 5.0%, P = 0.019; 0% ...