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13 September 2021 : Clinical Research

[In Press] Postoperative Complications Associated with Moderate Sedation in Endoscopic Procedures Among Patients with Cirrhosis

Yan Wang1B, Huisheng Xu12C, Hui Li1E, Lingyang Chen3B, Ye Xin4C, Hongtan Chen5D, Xiangming Fang1E, Baoli Cheng1A

DOI: 10.12659/MSM.933082

Med Sci Monit In Press; DOI: 10.12659/MSM.933082  

Available online: 2021-09-13, In Press, Corrected Proof

Publication in the "In-Press" formula aims at speeding up the public availability of the pending manuscript while waiting for the final publication. The assigned DOI number is active and citable. The availability of the article in the Medline, PubMed and PMC databases as well as Web of Science will be obtained after the final publication according to the journal schedule


Moderate sedation for endoscopic intervention has become common and offers increased safety and comfort. Patients with cirrhosis are sicker and at increased risk for complications related to sedation. However, postoperative complications associated with moderate sedation and their risk factors have not been adequately studied in this population.
This retrospective study included cirrhotic patients who underwent endoscopic procedures with moderate sedation and were admitted to the First Affiliated Hospital, Zhejiang University School of Medicine, between January 1, 2015, and December 31, 2019. A mixed-effects multivariate logistic regression model determined odds ratios between variables and complications, adjusting for potential confounders. The model was validated with 51 patients admitted from August 28, 2020, to October 12, 2020, at 3 hospitals.
Among 232 cirrhotic patients, complications were recorded for 40 patients (17.2%). These patients had a significantly longer hospital length of stay (P<0.05), and postprocedural complications (35/40; 87.5%) were the most common type of complication. Moderate sedation-associated postoperative complications were significantly associated with portal hypertension history (odds ratio [OR] 2.201; 95% confidence interval [CI] 0.903, 5.364) and the procedure being performed in the evening (OR 1.971; 95% CI 0.946, 4.106). The area under the receiver-operating characteristic curve was 0.627 (95% CI, 0.534 to 0.719, P=0.012) in the validated subgroup, and the predicted accordance rate was 70%.
Moderate sedation-associated postoperative complications were relatively high among cirrhotic patients undergoing endoscopic procedures. Complications were associated with sicker patients who underwent endoscopic procedures in the evening, suggesting the potential need for more intensive care of perioperative management in this population, including anesthesia monitoring.

Keywords: Anesthesia, Intravenous; Liver Cirrhosis; Postoperative Complications


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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750