Hepatectomy in Children under Total Hepatic Occlusion

Liu, Donald C.; Vogel, Adam M.; Gulec, Seza; Santore, Matthew J.; Wu, Yeming; Hill, Charles B.
June 2003
American Surgeon;Jun2003, Vol. 69 Issue 6, p539
Academic Journal
Major ablative hepatic resection is often indicated in children with solid liver tumors, and reduction of operative blood transfusion is a primary goal. Total hepatic occlusion (THO) is an effective method that is well established in adults, yet its role in children is less well described. We describe our preliminary experience with THO in children assessing surgical outcome. The charts of seven children (ages 5 months to 7 years, weight 6-30 kg) who underwent THO during hepatectomy (four right and three left lobectomies) for liver tumors (hepatoblastoma in three, metastatic Wilm's tumor in two, mesenchymal hamartoma in one, and angiosarcoma in one) between January 1997 and June 2002 were reviewed. THO was established in all cases by clamping the supra- and infrahepatic inferior vena cava and the porta hepatis. Surgical parameters assessed included: 1) warm ischemia time, 2) operative blood transfusion, 3) operative complications, and 4) tumor resection margins. THO was successful in six of the seven cases (85.7%). In one case systemic hypotension unresponsive to fluid resuscitation developed at the outset with THO requiring conversion to pedicle clamping to perform the hepatectomy. Mean warm ischemia time during THO was 26 minutes (range 18-45 minutes). Mean estimated blood loss was 221 cm³ (range 50-800 cm³). Operative blood transfusion was required in one of six patients (15 cm³/kg). Excluding the "failed" THO case (intraoperative hypotension) there were no significant intraoperative or postoperative complications. All seven children had curative resections as indicated by "tumor-free" microscopic margins. We conclude that total hepatic occlusion can be performed safely and successfully for pediatric liver tumors. Operative blood transfusion appears to be minimized.


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