Inferior mesenteric arteriovenous fistula: Case report and world-literature review

Table 3 Comparison between congenital and acquired inferior mesenteric artery and vein arteriovenous fistulas

	Total	Congenital	Acquired
Males	70.4%	81.3%	54.5%
Age, yr	60.2	61.3	58.7
Abdominal pain	55.6%	62.5%	45.5%
Lower GI bleeding	55.6%	56.3%	54.5%
Abdominal mass/thrill	22.4%	12.5%	36.4%
Upper GI bleeding	7.4%	0%	18.2%
Ischemic colitis	33.3%	43.8%	18.2%
Portal hypertension	51.9%	50.0%	54.5%

GI: Gastrointestinal.