Single balloon enteroscopy in the elderly

Table 6 Studies of single-balloon enteroscopy in the elderly

Ref.	Country	Time period	No. Pts.	Age groups, years	Main indication	Main findings
Davis-Yadley et al[33], 2016	FL, United States	2010-2014	366	< 55, 55-64	OGIB	DY highest in elderly
				65-74, ≥ 75		Angiodysplasia most common in elderly
						TY higher in elderly
						Safe, few complications
Lin et al[34], 2016	Taiwan	2009-2014	128	< 30, 30-65	OGIB	The most common finding in the older age group was angiodysplasia
				> 65
Chang et al[35], 2017	Taiwan	2009-2016	168	< 65, ≥ 65	OGIB	DY high in the elderly
						Angiodysplasia and diverticulum TY high in the elderly
						Safe, no diff in complications
This study	TX, United States	2011-2020	228	< 65, 65-75	OGIB	DY higher in the elderly
				> 75	IDA	Main finding was angioectasias
						TY higher in the very elderly, safe

All studies were retrospective cohort studies. Most had primary analysis on elderly, Lin only for findings. DY: Diagnostic yield; IDA: Iron deficiency anemia; OGIB: Obscure gastrointestinal bleed; TY: Therapeutic yield.