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Background: Recent advances in modern medicine have translated into increase in life expectancy in the USA and with that, a rise in the demand for invasive procedures in elderly patients. Endoscopic retrograde cholangiopancreatography (ERCP) is the procedure of choice for managing various benign and malignant pancreatobiliary conditions and can be associated with various adverse events. Aim: We performed a systematic review and meta-analysis to evaluate outcomes of ERCP in nonagenarians. Methods: A comprehensive literature search was performed in Embase, MEDLINE, Web of Science, and Cochrane Review library until July 2020. Our primary outcomes were the rate of technical success and adverse events in nonagenarians. Secondary outcomes were comparison of technical success and adverse events compared with younger patients. Results: The initial search revealed 4933 studies, of which 24 studies with 5521 patients met our inclusion criteria. Pooled technical success rate of ERCP in nonagenarians was 92%, and pooled adverse event rate was 7.8%. There was no significant difference in technical success rate and overall rate of adverse events comparing ERCP outcomes in nonagenarians with a relatively younger population. The risk of post-ERCP bleeding was significantly higher in nonagenarians compared to younger patients with OR = 1.986 [1.113–3.544], I2 = 0. ERCP-related mortality was also significantly higher in nonagenarians compared to younger patients with OR = 4.720 [1.368–16.289], I2 = 0. Conclusion: There was no significant difference in technical success rate and risk of adverse events related to ERCP in nonagenarians compared to younger patients. However, the risk of bleeding and procedure-related mortality was significantly higher. [ABSTRACT FROM AUTHOR]

Background and Study Aims: Choledochoscopy is increasingly performed during endoscopic retrograde cholangiopancreatography (ERCP) for direct bile duct visualization. Choledochoscopy necessitates irrigation of the bile duct with water or saline, which may increase intrabiliary pressure and consequently the risks of bacteremia and cholangitis. The aim of this study was to prospectively evaluate the risk of bacteremia and infectious complications in patients undergoing single-operator choledochoscopy (SOC).Patients and Methods: Patients requiring ERCP with SOC at two tertiary care centers were enrolled prospectively. Blood cultures were obtained immediately before the ERCP, after completion of the ERCP portion of the procedure (to determine ERCP-related bacteremia), and 15 minutes after completion of SOC.Results: A total of 72 patients (mean age 64 years; 51.4 % male) underwent ERCP with SOC. True positive blood cultures were noted in 20 patients (27.8 %; 95 % confidence interval [CI] 17.86 % - 39.59 %), of whom 6 patients (8.3 %; 95 %CI 3.12 % - 17.26 %) had transient bacteremia following ERCP. Of 14 patients (19.4 %; 95 %CI 11.05 % - 30.46 %) with sustained bacteremia following ERCP or SOC, 10 patients (13.9 %; 95 %CI 6.86 % - 24.06 %) had sustained bacteremia related to SOC. Despite the use of post-procedure intravenous antibiotic administration, seven patients (9.7 %; 95 %CI 3.99 - 19.01 %) required further antibiotic treatment for infectious complications, three of whom (4.2 %; 95 %CI 0.86 % - 11.69 %) were hospitalized in order to receive intravenous antibiotic therapy.Conclusion: The bacteremia associated with ERCP with SOC and the subsequent risk of hospitalization for infectious complications suggest that preprocedure antibiotic prophylaxis should be considered for patients undergoing SOC, particularly in older patients and those with prior stent placement or undergoing intraductal stone lithotripsy.Trial Registration: clinical trials.gov (NCT01414400). [ABSTRACT FROM AUTHOR]