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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Atriocaval shunt ： ウィキペディア英語版 Atriocaval shunt An atriocaval shunt (ACS) is an intraoperative surgical shunt between the atrium of the heart and the inferior vena cava. It is used during the repair of larger juxtahepatic (next to the liver) vascular injuries such as an injury to the local vena cava. Injuries to the inferior vena cava are challenging, those behind the liver being the most difficult to repair. ==Procedure and results== Injury to the vena cava adjacent to the liver and/or connected hepatic veins leads to often fatal bleeding. Patients may be admitted already in hemorrhagic shock with death occurring even before the bleeding area is localized. Surgically, the area is difficult to access as it is largely covered by the liver. In 1968 Schrock et al. reported on the first use of the ACS. They devised this approach after observing that between above the renal veins only the right adrenal vein, the hepatic veins, and the inferior phrenic veins enter the inferior vena cava.〔 The placement of the shunt allowed venous return to the heart and, along with the Pringle manoeuvre, controlled local bleeding. While their patient did not survive, other investigators followed their lead with some success. A 1988 review by Burch et al. analyzed their experience with the ACS looking at 31 patients.〔 They indicated that “few technical maneuvers in surgery (are) as dramatic or desperate as the use of the atriocaval shunt…” Ninety percent of the patients were admitted in shock. In 74% the vena cava was directly involved. In addition to the laparotomy to access the retrohepatic space, a thoracotomy is necessary to find the atrium so that the stent -usually a 36 French chest tube - can be inserted. The stent is secured with tourniquets. Problems during surgery involve uncontrollable bleeding and technical problems in placing the shunt in a timely fashion. Six patients survived (about 20%). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Atriocaval shunt」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.