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Current opinion in general surgery最新文献

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Portal hypertension. 门静脉高压。
Pub Date : 1993-01-01
P Rhee, I J Sarfeh

The treatment of portal hypertensive gastrointestinal hemorrhage has seen many new and innovative advances in the past 15 years, including pharmocotherapy, sclerotherapy, transjugular intrahepatic portacaval shunt, partial portacaval shunt, and hepatic transplantation. Such an array of therapeutic options provides great flexibility for the physicians managing this complex disorder. The less invasive procedures tend to be associated with higher rates of rebleeding from esophageal varices. However, these procedures serve as excellent bridges to hepatic transplantation in poor-risk patients. Surgical portasystemic shunts offer a permanent solution to portal hypertensive bleeding but also have several drawbacks. Standard (end-to-side or side-to-side) portacaval shunts are associated with unacceptably high rates of p4rtasystemic encephalopathy because of complete diversion of portal flow away from the liver. Selective shunts, such as the distal splenorenal shunt, result in maintenance of portal perfusion, but this is not lasting in alcoholic cirrhotics. Partial shunting (small-diameter portacaval H-graft with collateral ligation) is the most recent addition to the surgical armamentarium. This allows for hepatic portal perfusion, thus minimizing encephalopathy rates, but it violates the right upper quadrant if the patient is a candidate for hepatic transplantation. This large array of treatment options, each with its own advantages and disadvantages, permits for careful selection of the best modality based on several influencing factors. These include the underlying liver disease, the prognosis, the health team's experience, the resources available to the patient and the community, and the cost-effectiveness of each treatment.

近15年来,门静脉高压性消化道出血的治疗取得了许多新的创新进展,包括药物治疗、硬化治疗、经颈静脉肝门静脉内分流术、部分门静脉分流术和肝移植。这样一系列的治疗选择为医生管理这种复杂的疾病提供了很大的灵活性。侵入性较小的手术往往与食道静脉曲张再出血率较高有关。然而,在低风险患者中,这些手术是肝移植的良好桥梁。外科门静脉分流术是门静脉高压出血的永久解决方案,但也有一些缺点。标准(端侧或侧对侧)门静脉分流与p4全身性脑病的发生率高得令人无法接受,因为门静脉血流完全从肝脏转移。选择性分流,如远端脾肾分流,可维持门静脉灌注,但这在酒精性肝硬化中不能持久。部分分流术(小直径门静脉h型移植物伴侧支结扎)是最近增加的外科设备。这允许肝门静脉灌注,从而减少脑病的发生率,但如果患者是肝移植的候选者,则违反右上象限。这一大批治疗方案各有优缺点,可根据若干影响因素仔细选择最佳治疗方式。这些因素包括潜在的肝脏疾病、预后、卫生团队的经验、患者和社区可用的资源以及每种治疗的成本效益。
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引用次数: 0
Portal hypertension. 门静脉高压。
Pub Date : 1900-01-01 DOI: 10.1016/s1051-0443(05)70364-x
P. Rhee, I. Sarfeh
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引用次数: 0
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Current opinion in general surgery
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