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find Author "LUO Chaozhi" 2 results
  • Anesthetic Management of Donor in Adult-to-Adult Living Donor Liver Transplantation

    Objective To research anesthetic management, pathophysiologic variation of adult-to-adult living donor liver transplantation (A-ALDLT) and to probe how to improve anesthetic quality of A-ALDLT. Methods The clinical data of 47 donors from Sep. 2005 to Jan. 2007 in West China Hospital were reviewed. Intraoperative vital signs, anesthetic management, perioperative serum levels of HGB, Alb, ALT, AST, TBIL, APTT, PT were measured, and complications were assessed. Results The physical condition of all donors were good before operations and were all in grade Ⅰaccording to ASA. Under general anesthesia of intravenous and inhalation, electrocardiogram, O2 saturation, blood pressure and body temperature were continuously monitored. A radial arterial catheter and a central venous catheter were placed. Blood lavement was utilized intraoperatively in all patients. All donors maintained stable life signs intraoperatively. The average intraoperative blood losses was (603.13±317.00) ml, and donors were transfused with autologous blood 〔(381.25±171.15) ml〕, with only 4 donors required homologous blood transfusion. HR and mean arterial blood pressure (MAP) showed no significantly variations intraoperatively (Pgt;0.05). Compared with controlled central venous pressure (CVP) before and right after hepatectomy, CVP increased significantly (P<0.05) when intubation and abdomen-closing were carried. After hepatectomy and on the first day after operation, HGB and Alb decreased significantly (P<0.05); ALT, AST and TBIL increased significantly (P<0.05). Right after hepatectomy, PT increased instantly and significantly (P<0.05); On the first day after operation, APTT began to increase significantly (P<0.05). All donors came around completely and were extubated in the liver transplantation intensive care unit on the first day after operation. There were 3 cases (6.38%) of postoperative complication, which were biliary leakage, portal vein thrombosis and serious pleural effusion. Those 3 donors were cured after treatment. Conclusion Inhalation and intravenous general anesthesia of propofol, remifen-tanil and isoflurane can maintain stable life signs and reduce liver injury. Steady anesthesia, sufficient oxygenation and effective blood protection measures, for example, by decreasing CVP to prevent bleeding and by reclaiming autologous blood to avoid transfusing homologous blood, are keys for the safety of the donor and the prevention of complications.

    Release date:2016-09-08 11:45 Export PDF Favorites Scan
  • Evaluation of Coagulation in Orthotopic Liver Transplantation with Thrombelastography

    ObjectiveTo evaluate the changes in thrombelastography(TEG) during orthotopic liver transplantation (OLT) in Chinese. MethodsTwentyfive patients with cirrhosis of liver undergoing OLT were studied. They were composed of two groups: cirrhosis group (n=15) and liver neoplasm group (n=10). Anesthesia was induced with propofol 1.5-2 mg/kg,fentanyl 3-5 μg/kg and vecuronium 0.1 mg/kg and maintained with isoflurane or enflurane inhalation.The operation was divided into three phases: ① before operation and preanhepatic phase (120 min after operation was started), ② 30 min after liver was removed,③ 5 min before reperfusion and 5 min,15 min,30 min,60 min and 120 min after reperfusion.In 8 patients among the 25 patients heparinasecelite TEG was measured 5 min after reperfusion in addition to celite TEG.If there was significant differences in traces between the two TEG measurements,an intravenous bolus of 50-75 mg protamine was given and the heparinasecelite TEG was repeated.The measured variables included the r (reaction) time,representing the rate of initial fibrin formation K (coagulation) time, alpha angles (α) reflecting fibrinplatelet interaction, MA (maximal amplitude) indicating qualitative platelet function and percent fibrinolysis at 60 min. ResultsIn cirrhosis group changes in TEG occurred after liver was removed and in earlier period after reperfusion, while in liver neoplasm group changes in TEG were found in earlier period after reperfusion as compared with preoperative value.At 5 min after reperfusion there were significant differences in TEG (r,K,α and MA) values between celite and heparincelite TEG (P<0.01). ConclusionDuring OLT coagulation disorder occurs mainly at anhepatic and early reperfusion phase.

    Release date:2016-08-28 04:49 Export PDF Favorites Scan
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