Background and study aims The utility of esophagogastroduodenoscopy (EGD) in the left lateral semi-recumbent position in the setting of acute upper gastrointestinal bleeding (UGIB) with a persistent fundal pool of blood for adequate visualization and effective endotherapy has not been studied. This study aimed to evaluate the feasibility, efficacy, and safety of this position in such settings.

Patients and methods A prospective study of patients presenting with acute UGIB with an uncleared fundal pool of blood was conducted. All underwent EGD in the left lateral decubitus and secondary left lateral semi-recumbent positions. Outcomes in secondary position in terms of adequate visualization of the fundus, identification of new or additional sources of bleeding, and effectiveness of endotherapy were studied.

Results We screened 860 patients and included 44 patients (5.11%) with a persistent fundal pool of blood. Endoscopy in the primary position revealed the source of bleeding in 37 of 44 patients (84%). The source of the bleeding was not identified in seven of 44 patients (16%). Endoscopy in the secondary position showed clearance of fundal pool in all 44 patients (100%). A new source of bleeding was identified in all seven patients (100%) and an additional source could be identified in another five patients (13.6%). Endotherapy was performed in the secondary position for all 44 patients with 100% technical success and 94% clinical success.

Conclusions These data show that endotherapy in the left lateral semi-recumbent position is feasible, safe, and effective. It should be done when endoscopy in the left lateral decubitus position reveals a pool of blood in the fundus and there is inadequate visualization of the fundus.

Received: 23 August 2023

Accepted after revision: 27 October 2023

Article published online:
12 December 2023

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