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Vascular clamping in liver surgery: physiology indications and techniques

机译:肝脏手术中的血管夹持:生理学适应症和技术

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摘要

This article reviews the historical evolution of hepatic vascular clamping and their indications. The anatomic basis for partial and complete vascular clamping will be discussed, as will the rationales of continuous and intermittent vascular clamping.Specific techniques discussed and described include inflow clamping (Pringle maneuver, extra-hepatic selective clamping and intraglissonian clamping) and outflow clamping (total vascular exclusion, hepatic vascular exclusion with preservation of caval flow). The fundamental role of a low Central Venous Pressure during open and laparoscopic hepatectomy is described, as is the difference in their intra-operative measurements. The biological basis for ischemic preconditioning will be elucidated. Although the potential dangers of vascular clamping and the development of modern coagulation devices question the need for systemic clamping; the pre-operative factors and unforseen intra-operative events that mandate the use of hepatic vascular clamping will be highlighted.
机译:本文回顾了肝血管夹紧的历史演变及其适应症。将讨论部分和完全血管钳位的解剖学基础,以及连续和间歇性血管钳位的原理。所讨论和描述的具体技术包括流入钳位(Pringle操纵,肝外选择性钳位和神经胶质内钳位)和流出钳位(总计血管排斥,肝血管排斥并保留腔静脉血流)。描述了开放式和腹腔镜肝切除术中低中心静脉压的基本作用,以及它们术中测量值的差异。将阐明缺血性预处理的生物学基础。尽管血管钳位的潜在危险和现代凝血装置的发展对全身钳位的需求提出了质疑。强调必须使用肝血管钳夹的术前因素和无法预料的术中事件。

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