Gastric Antral Vascular Ectasia(GAVE)and Diffuse Antral Vascular Ectasia(DAVE) Yoshihito Uchida 1 , Minako Ito 2 , Shuhei Kamano 3 , Hideyuki Inoue 4 , Humihiko Kinekawa 4 , Shigeki Kuriyama 4 1Department of Internal Medicine, Mitoyo Municipal Eikou Hospital, Mitoyo, Japan 2Department of Internal Medicine, Midorikai Kato Hospital, Tadotsu, Japan 3Department of Internal Medicine, Takamatsu City Hospital, Takamatsu, Japan 4Third Department of Internal Medicine, Faculty of Medicine, Kagawa University, Kagawa, Japan Keyword: GAVE , DAVE , 内視鏡的熱凝固法 pp.1069-1075
Published Date 2006/6/25
DOI https://doi.org/10.11477/mf.1403100807
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 Characteristic of endoscopic findings in GAVE is the appearance of several brightly red stripes radiating longitudinally from the pyloric ring. Each column consists of multiple patchy reddening or red spots, and each red lesion contains dilated and convoluted capillaries. Antral peristalsis in GAVE frequently accentuates this. In DAVE, multiple patchy reddening and red spots containing dilated and convoluted capillaries are scattered diffusely throughout the antrum. Active bleeding or stigmata of bleeding could seldom be observed during endoscopic examination in either GAVE and DAVE. Red stripes in GAVE must be differentiated from comb like redness in so-called superficial gastritis. Gastric diseases for which differential diagnosis from DAVE must be made, include hemorrhagic gastritis, intramucosal or submucosal bleeding due to systemic hemorrhagic tendency, portal hypertensive gastropathy and multiple angiodysplasia. Endoscopic heat coagulation therapy is recommended to ablate dilated capillaries. Prognosis of GAVE and DAVE differs according to the severity of associated conditions.

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