A simple formula to calculate the liver drainage volume of the accessory right hepatic vein using its diameter alone
A simple formula to calculate the liver drainage volume of the accessory right hepatic vein using its diameter alone
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DOI：
10.1016/j.surg.2009.06.004
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发表时间：
2009-08-01
期刊：
影响因子：
3.8
通讯作者：
Kanemura, Hirofumi
中科院分区：
文献类型：
--
作者：
Hanaoka, Jun;Shimada, Mitsuo;Kanemura, Hirofumi
背景。在肝脏手术中，除了通常存在的上肝静脉外，有时还存在右肝中静脉或右肝下静脉（RHV）副静脉，了解这些右肝中静脉的实质引流量是很重要的，以避免术后因血液充血引起肝功能障碍。本研究的目的是确定估计这类副静脉实质引流容量的方法。通过回顾术前多排计算机断层扫描（MDCT）并使用专业软件，我们研究了附属rhv的存在，每条静脉的直径和实质引流量，并确定了附属rhv的直径和实质引流量之间的相关性。本研究中，中（中位直径4.9 mm）和下（中位直径5.0 mm） rhv分别占15%和47%。上、中、下rhv正中脑实质引流量分别为401 mL、64 mL、116 mL。副侧RHV直径与实质引流量呈正相关（中侧RHV y = 27.1x-45.7, r = 0.78, P < 0.05），下侧RHV y = 34.8x-57.8, r = 0.80, P < 0.05)
Background. The liver sometimes has an accessory middle or inferior right hepatic vein (RHV) in addition to the usually existing superior RHV In liver surgery, it is important to know the parenchymal drainage volume of these accessary RHVs to avoid postoperative liver dysfunction caused by blood congestion. The purpose of this study was to determine methods to estimate parenchymal drainage volume of such accessory veins.Methods. By reviewing the preoperative multidetector-row computed tomography (MDCT) and using specialist software, we investigated the presence of accessory RHVs, the diameter, and the parenchymal drainage volume of each vein, and we determined correlations between the diameter and parenchymal drainage volume of the accessory RHVs.Results. Middle (median diameter, 4.9 mm) and inferior (median diameter, 5.0 mm) RHVs were present in 15% and 47%, respectively, in this study. The median parenchymal drainage volume of the superior, middle, and inferior RHVs was 401 mL, 64 mL, and 116 mL, respectively. There were positive correlations between diameters and the parenchymal drainage volume of accessory RHVs (middle RHV y = 27.1x-45.7, r = .78, P < .05; inferior RHV: y = 34.8x-57.8, r =.80, P