Abstract:【Objective】To investigate the incidence and influencing factors of preoperative gastric retention in elderly patients undergoing endoscopic retrograde cholangiopancreatography (ERCP). 【Methods】A total of 174 elderly patients who planned to undergo ERCP were divided into retention group and non retention group according to whether gastric retention occurred before ERCP. The baseline data and drug use of the two groups were compared, and the risk factors of gastric retention in elderly patients before ERCP were analyzed by multivariate logistic. 【Results】There were 56 cases of gastric retention in 174 patients. The sex, age, body mass index (BMI), the proportion of patients with cirrhosis, hyperlipidemia, hypertension, acidosis, low blood sodium and taking calcium antagonists in retention group and non retention group had no statistical significance (P>0.05). The proportion of patients with retention combination and diabetes, gastric ulcer, jaundice, low blood potassium was significantly higher than that in non retention group, The proportion of patients taking opioids and somatostatin in retention group was significantly higher than that in non retention group, and the proportion of patients taking glutamine in retention group was significantly lower than that in non retention group (P<0.05). Multivariate logistic analysis confirmed that diabetes, gastric ulcer, jaundice, hypokalemia, opioids and somatostatin were risk factors for gastric retention in elderly patients before ERCP (P<0.05), and glutamine was an independent protective factor for gastric retention in elderly patients before ERCP (P<0.05). 【Conclusion】The risk factors of gastric retention in elderly patients before ERCP include diabetes, gastric ulcer, preoperative jaundice, taking opioids, taking somatostatin drugs, hypokalemia, and taking glutamine as its protective factor, which should be comprehensively evaluated before ERCP and early intervention.
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