Saudi Journal of Gastroenterology
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Year : 2017  |  Volume : 23  |  Issue : 5  |  Page : 296-302

The efficacy and safety of the left lateral position for endoscopic retrograde cholangiopancreatography

Department of Internal Medicine, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Gangwon-do, Korea

Correspondence Address:
Tae Young Park
Department of Internal Medicine, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, 77 Sakju-ro, Chuncheon 200-704, Gangwon-do
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjg.SJG_121_17

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Background/Aim: Endoscopic retrograde cholangiopancreatography (ERCP) is typically performed in prone position. In cases of difficulty in prone position, ERCP can be performed in left lateral position. We aimed to evaluate the efficacy and safety of left lateral position for ERCP compared with those of prone position. Patients and Methods: Between August 2015 and March 2016, a total of 62 patients with native papilla who underwent ERCP were randomly assigned to undergo the procedure in left lateral position (n = 31) or prone position (n = 31). The outcomes of procedures were compared between the two groups. Results: There were no significant differences between the two groups in terms of the demographic data, indications for ERCP, comorbidities, anticoagulation agents, the types and doses of sedative agents, and procedural durations. The rates of technical success and adverse events were similar (96.8 and 40%, respectively, in left lateral group and 100 and 32.3%, respectively, in prone group). The rates of unintentional pancreatic duct (PD) cannulation and the acquisition of pancreatograms in left lateral group were significantly greater than those in prone group (9/30, 30.0% vs. 3/31, 9.7%, P = 0.046; 7/30, 23.3% vs. 1/31, 3.2%, P = 0.020, respectively). However, there was no significant difference in the rate of post-ERCP pancreatitis (6/30, 20% vs. 5/31, 16.1%, P = 0.694). Conclusion: The left lateral position for ERCP can be as effective and safe as prone position. Due to increased rates of unintended PD cannulation and contrast injection, the initial use of left lateral position may be limited to cases that exhibit difficulty in prone position.

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