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Continuous renal replacement therapy (CRRT) is widely used for treating critically-ill patients in the emergency department in China. Anticoagulant therapy is needed to prevent clotting in the extracorporeal circulation during CRRT. Regional citrate anticoagulation (RCA) has been shown to potentially be safer and more effective and is now recommended as the preferred anticoagulant method for CRRT. However, there is still a lack of unified standards for RCA management in the world, and there are many problems in using this method in clinical practice. The Emergency Medical Doctor Branch of the Chinese Medical Doctor Association (CMDA) organized a panel of domestic emergency medicine experts and international experts of CRRT to discuss RCA-related issues, including the advantages and disadvantages of RCA in CRRT anticoagulation, the principle of RCA, parameter settings for RCA, monitoring of RCA (mainly metabolic acid–base disorders), and special issues during RCA. Based on the latest available research evidence as well as the paneled experts' clinical experience, considering the generalizability, suitability, and potential resource utilization, while also balancing clinical advantages and disadvantages, a total of 16 guideline recommendations were formed from the experts' consensus. [ABSTRACT FROM AUTHOR]

Background: Reduced application of percutaneous coronary intervention (PCI) is associated with higher mortality rates after ST-segment elevation myocardial infarction (STEMI). We aimed to evaluate potential factors contributing to the refusal of PCI in STEMI patients in China., Methods: We studied 957 patients diagnosed with STEMI in the emergency departments (EDs) of six public hospitals in China. The differences in baseline characteristics and 30-day outcome were investigated between patients who refused PCI and those who underwent PCI. Multivariable logistic regression was used to evaluate the potential factors associated with refusing PCI., Results: The potential factors contributing to refusing PCI were older than 65 years (odds ratio [OR] 2.66, 95% confidence interval [CI] 1.56-4.52, P < 0.001), low body mass index (BMI) (OR 0.91, 95% CI 0.84-0.98, P = 0.013), not being married (OR 0.29, 95% CI 0.17-0.49, P < 0.001), history of myocardial infarction (MI) (OR 2.59, 95% CI 1.33-5.04, P = 0.005), higher heart rate (HR) (OR 1.02, 95% CI 1.01-1.03, P = 0.002), cardiac shock in the ED (OR 5.03, 95% CI 1.48-17.08, P = 0.010), pre-hospital delay (>12 h) (OR 3.31, 95% CI 1.83-6.02, P < 0.001) and not being hospitalized in a tertiary hospital (OR 0.45, 95% CI 0.27-0.75, P = 0.002). Compared to men, women were older, were less often married, had a lower BMI and were less often hospitalized in tertiary hospitals., Conclusions: Patients who were older, had lower economic or social status, and had poorer health status were more likely to refuse PCI after STEMI. There was a sex difference in the potential predictors of refusing PCI. Targeted efforts should be made to improve the acceptance of PCI among patients with STEMI in China., (Copyright © 2021 The Chinese Medical Association, produced by Wolters Kluwer, Inc. under the CC-BY-NC-ND license.)

Introduction: We performed a meta-analysis with the aim of assessing the association of the angiotensin II type 1 (AT(1)) receptor gene A1166C polymorphism with essential hypertension in Chinese case-control studies., Methods: Studies were searched from the Chinese Biomedicine Database, the China National Knowledge Infrastructure platform, Pubmed and Medline, using the search terms 'hypertension', 'angiotensin II type 1 receptor', 'AT(1)R', 'polymorphism', 'China' and 'Chinese', without limiting to any specific language. The strength of the association between the A1166C polymorphism and hypertension was evaluated by the odds ratio (OR) with the corresponding 95% confidence interval (CI). The analyses were performed with Cochrane RevMan software version 4.2., Results: Overall, the variant genotype AC/CC was associated with a statistically increased essential hypertension risk with the pooled OR 1.48 (95% CI: 1.20-1.83). In the subgroup analyses, the association was also significant among studies using Northern populations, Southern populations, Han Chinese and hospital-based controls. The age did not influence the relationship between the AT( 1) receptor A1166C polymorphism and hypertension in the subgroup analyses., Conclusions: The present meta-analysis suggests that the AT(1) receptor 1166 AC/CC genotype is associated with susceptibility to hypertension in the Chinese population.