Zeitschrift fur Gastroenterologie · 2020
Risk factors for bleeding from gastrointestinal angiodysplasia: a case-control study in patients with bleeding and non-bleeding angiodysplasia.
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Neu Bruno, Moessmer Georg, Bajbouj Monther, Becker Valentin, Barthel Petra, Seidl Holger, Schepp Wolfgang, Anzinger Michael, Dollhopf Markus, Meining Alexander, Schmid Roland M, Budde Ulrich, Noe Sebastian
Аннотация
OBJECTIVES: Angiodysplasia (AD) is a common source of gastrointestinal bleeding. Yet, little is known about factors forwarding bleeding in these vascular malformations. The presented study aims to determine risk factors for bleeding that occurs only in patients with symptomatic, but not with asymptomatic, AD.
METHODS: Case-control study in patients with AD and either a positive or a negative history of gastrointestinal bleeding in Munich, Germany. Groups were compared by clinical, laboratory, and endoscopic features.
RESULTS: 80 patients with (58, f 31, med. age 72) or without bleeding AD (22, f 12, med. age 61) were included. Bleeding from AD was significantly associated with the total number of AD (OR 1.4 (95 % CI 1.1-1.7) p = 0.01) and closure time in PFA/collagen-epinephrine test (OR 1.0 (95 % CI 1.0-1.0) p < 0.01). The total number of AD correlated significantly with age (r = 0.36; p = 0.01). AD were mainly detected in the upper small intestine (> 30 %). Although patients with aortic stenosis suffered not significantly more frequently from bleeding from AD, they demonstrated a loss of high molecular multimers of VWF.
CONCLUSIONS: The amount of AD is clearly correlated to the age of the patient. A higher number of ADs and inhibition of primary hemostasis increase the risk of bleeding.
METHODS: Case-control study in patients with AD and either a positive or a negative history of gastrointestinal bleeding in Munich, Germany. Groups were compared by clinical, laboratory, and endoscopic features.
RESULTS: 80 patients with (58, f 31, med. age 72) or without bleeding AD (22, f 12, med. age 61) were included. Bleeding from AD was significantly associated with the total number of AD (OR 1.4 (95 % CI 1.1-1.7) p = 0.01) and closure time in PFA/collagen-epinephrine test (OR 1.0 (95 % CI 1.0-1.0) p < 0.01). The total number of AD correlated significantly with age (r = 0.36; p = 0.01). AD were mainly detected in the upper small intestine (> 30 %). Although patients with aortic stenosis suffered not significantly more frequently from bleeding from AD, they demonstrated a loss of high molecular multimers of VWF.
CONCLUSIONS: The amount of AD is clearly correlated to the age of the patient. A higher number of ADs and inhibition of primary hemostasis increase the risk of bleeding.