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KMID : 0870420020060010048
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Korean Journal of Hepato-Biliary-Pancreatic Surgery
2002 Volume.6 No. 1 p.48 ~ p.52
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Effectiveness of Continuing Low Central Venous Pressure during Major Hepatic Resection
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Hwang Sun-Hwi
Kim Ki-Hun
Chang Yeo-Goo
Hong Seong-Woo
Paik In-Wook
Lee Hyuck-Sang
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Abstract
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Background/Aims: Blood loss and blood transfusion are extremely important determinants of morbidity and mortality following hepatic resection. This is attributed to increased risks of coagulopathy, acute respiratory distress syndrome and multiorgan failure. The hypothesis is that a low pressure in the central veins would be accompanied by a low pressure in the hepatic veins and sinusoids, thereby decreasing blood loss during hepatic resection. This study evaluates the effectiveness of continuing low central venous pressure comparing with high central venous pressure during major hepatic resection.
Methods: 20 consecutive major hepatic resections between March 2000 and August 2000 were studied prospectively concerning central venous pressure which was analysed for 10 cases with a central venous pressure less than 10 mmHg, and greater than or equal to 10 mmHg. The central venous pressure was monitored continuously using a Narkomed Anaesthetic Component Monitoring System (Drager Inc., USA).
Results: Low central venous pressure allowed a smaller intraoperative blood loss (<10 mmHg: 1010+/-465.3 ml vs. > or =10 mmHg: 1770+/-916.5 ml, p<0.05), a smaller perioperative transfusion (<10 mmHg: 139+/-276.2 ml vs. > or =10 mmHg: 807+/-799.2 ml, p<0.05), a lower postoperative peak AST (<10 mmHg: 167.4+/-53.2 IU/L vs. > or =10 mmHg: 293.0+/-123.2 IU/L, p<0.05), a lower postoperative peak ALT (<10 mmHg: 96.1+/-55.3 IU/L vs. > or =10 mmHg: 193.2+/-103.5 IU/L, p<0.05), and a earlier resumption of a normal hepatic enzyme (<10 mmHg: 6.4+/-0.9 days vs. > or =10 mmHg: 8.7+/-1.6 days, p<0.05) in comparison to high central venous pressure. There was no postoperative mortality in both group.
Conclusions: Maintaining a low central venous pressure throughout major hepatic resection reduced blood loss, blood transfusion requirements and enzyme recovery periods. Lowering the central venous pressure is a simple and effective way during hepatic resection.
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KEYWORD
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Low central venous pressure, High central venous pressure, Major hepatic resection
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