Abstract
Resection is rarely indicated in giant hepatic hemangiomas (HHs) that are symptomatic. Enucleation (EN), compared with anatomical resection (AR), is considered the better technique to resect them as EN has been reported to have lower morbidity while conserving the normal liver tissue. But no study has yet clearly established the superiority of EN over AR. In addition, the independent predictors of postoperative morbidity have not been established. All consecutive patients operated for HH at two specialized hepatobiliary centers were reviewed. Patient demographics, operative variables, and postoperative outcomes were analyzed and compared between two techniques. Postoperative complications were graded as per Clavien-Dindo classification of surgical complications. The aims of this study were to compare two techniques of HH resection with respect to postoperative outcomes and to identify the risk factors for 90-day major postoperative morbidity and mortality. A total of 64 patients, including 41 who underwent AR, 22who underwent EN, and 1 who underwent liver transplantation, were operated for hemangiomas during the study period. Ten patients (9 who were operated for hemangiomas of size ≤4cm and 1 who underwent transplantation) were excluded. Fifty-four patients, the majority being women (85%), with a median age of 48 years, were operated for giant HH. These patients were classified into two groups based on the technique of resection, namely, EN (22 patients) and AR (32 patients). Both groups were comparable in all aspects except that the number of liver segments resected was significantly more with AR. Postoperative outcomes were similar in both groups. Independent predictors of 90-day major complications including mortality were the use of total vascular exclusion (relative risk [RR]: 2.3, p=0.028) and duration of surgery >4.5h (RR: 2.3, p=0.025). Both techniques yield similar results with respect to 90-day postoperative morbidity and mortality. The choice of technique should be based on the location of tumor and simplicity of liver resection.
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