【Background】Recent studies reported that patients with coronavirus disease-2019 (COVID-19) might have liver injury. However, few data on the combined analysis and change patterns of alanine aminotransferase (ALT), aspartate aminotransferase (AST) and total bilirubin (TBil) have been shown.【Methods】 This is a single-center retrospective study. A total of 105 adult patients hospitalized for confirmed COVID-19 in Beijing Ditan Hospital between January 12, and March 17, 2020 were included, and divided into mild and severe groups. We compared liver functional test results between the two groups. Category of ALT change during the disease course was also examined.【Results】 56.2% of the patients had unnormal ALT, AST, or total TBil throughout the course of the disease, but in 91.4% cases the level of ALT, AST or TBil ≤ 3 fold of the upper normal range. The overall distribution of ALT, AST, and TBil were all significantly difference between mild and severe group (p<0.05).The percentage of the patients with both elevated ALT and AST was 12.7% in mild cases vs. 46.2% in severe cases (p = 0.001). 34.6% severe group patients started to have abnormal ALT after admission,and 73.4% of all patients had normal ALT before discharge.【Conclusion】Elevated liver function index is very common in patients with COVID-19 infection, and the level were less than 3 × ULN,but most are reversible. The abnormality of 2 or more indexes is low in the patients with COVID-19, but it is more likely to occur in the severe group.
BackgroundPostoperative delirium (POD) is a common aging-associated postoperative complication that has received increasing attention in the context of the aging global population and the number of articles published on POD is gradually increasing. This study aimed to quantify the basic information of scholarly publications on POD and identify the most impactful literature, trends, and hotspots in POD research.Materials and methodsWe searched articles on POD through the Science Citation Index Expanded databases published from 2000 to 2020. Bibliographic information, including year, country, authorship, type, journal, funding, affiliations, subject areas, and hotspots, was collected for further analysis.ResultsA total of 2,114 articles on POD from 2000 to 2020 were identified. The highest number of studies (n = 748) were published in the United States, comprising the most total citations (13,928), followed by China (n = 278), and Germany (n = 209). Inouye, Sharon K. was the most productive author, with 66 publications on POD. The Journal of the American Geriatrics Society published the highest number of articles (n = 80), with the most total citations (4,561) and average (57.01), followed by Anesthesia and Analgesia (n = 52), and the British Journal of Anaesthesia (n = 43). Harvard University was the most productive institute, with the highest H-index (n = 46) and highest degree centrality (n = 191). The top hotspots in the field of POD during this period were “elderly,” “cardiac surgery,” “cognitive impairment,” “hip fracture,” and “intensive care unit.”ConclusionThis study provides an overview of developments in the field of POD over the past 20 years using bibliometric analysis. Overall, research on POD has flourished worldwide. The United States (US) has a relatively high academic impact owing to its productive expertise and institutions in this field. Despite much research illustrating the diagnosis and management of POD in clinical practice, more basic research is needed.
What is already known and objective: Sedation is routinely provided for patients undergoing gastrointestinal endoscopy. Remimazolam tosilate is a novel and shortacting sedative agent that has been used for sedation during endoscopic procedures.The optimal dose of remimazolam in gastrointestinal endoscopy for patients with liver cirrhosis has not been elucidated.Background: To determine the effective dose of remimazolam tosilate with adjuvant sufentanil for sedation in patients with liver cirrhosis undergoing oesophagogastric varices screening endoscopy.Material and Methods: Patients aged 18-65 years with liver cirrhosis undergoing screening endoscopy for oesophagogastric varices were recruited. Sufentanil 0.15 μg/kg was given intravenously at 2 min before administration of remimazolam tosilate. The initial dose of remimazolam was 0.1 mg/kg and adjusted by 0.025 mg/kg as a step size, based on the Dixon and Massay up-and-down sequential method. Inclusion of patients was stopped after eight crossovers and the calculated median effective dose (ED 50 ) of remimazolam for successful endoscopy was obtained by calculating the mean of midpoint of all crossovers. Furthermore, a probit regression was applied to establish the dose-response curve of remimazolam and further assess the 95% effective dose (ED 95 ) of remimazolam. Results:The calculated ED 50 of remimazolam for successful endoscopy using the mean of midpoint of all crossovers was 0.097 mg/kg (95% CI, 0.004-0.099 mg/kg). Using the probit regression analysis, the ED 50 and ED 95 of remimazolam for successful endoscopy was 0.097 mg/kg (95% CI, 0.004-0.099 mg/kg) and 0.107 mg/kg (95% CI, 0.103-0.336 mg/kg), respectively. No adverse events were observed throughout the study period.Conclusions: This pilot study suggests that the ED 50 and ED 95 of remimazolam tosilate with adjuvant sufentanil for sedation in liver cirrhosis patients undergoing oesophagogastric varices screening endoscopy was 0.097 and 0.107 mg/kg, respectively.
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