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Hepatic resection using a bipolar vessel sealing device: technical and histological analysis.

ABSTRACT: INTRODUCTION: Blood loss and bile leakage are well-known risk factors for morbidity and mortality during liver resection. Bleeding usually occurs during parenchymal transection, and surgical technique should be considered an important factor in preventing intraoperative and postoperative complications. OBJECTIVE: Many approaches and devices have been developed to limit bleeding and bile leakage. The aim of the present study was to determine whether a bipolar vessel sealing device allows a safe and careful liver transection without routine inflow occlusion, achieving a satisfactory hemostasis and bile stasis, thus reducing blood loss and bile leak and related complications. PATIENTS AND METHODS: A total of 50 consecutive patients (24 males, 26 females, with a mean age of 57 years) underwent major and minor hepatic resections using a bipolar vessel sealing device. A clamp crushing technique followed by energy application was used to perform the parenchymal transection. Inflow occlusion was used when necessary to control blood loss but not as a routine. No other devices were applied to achieve hemostasis. RESULTS: The instrument was effective in 45 patients and failed to achieve hemostasis in 5 cases, all of whom had a cirrhotic liver. Median blood loss was 490 ml (range 100-2500 ml) and intraoperative blood transfusions were required in eight cases (16%). Mean operative time was 178 min (range 50-315 min). Inflow occlusion was necessary in 16 (32%) patients. The postoperative complication rate was 24%, with a postoperative hemorrhage in a cirrhotic patient. There was no clinical evidence of bile leak or procedure-related abdominal abscess. CONCLUSION: We conclude that the device is a useful tool in standard liver resection, achieving good hemostasis and bile stasis in patients with normal liver parenchyma, but its use should be avoided in cirrhotic patients.

SUBMITTER: Romano F

PROVIDER: S-EPMC2225510 | biostudies-other | 2007

REPOSITORIES: biostudies-other

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Project description:Intraoperative blood loss during hepatectomy worsens prognosis, and various tools have been used to improve perioperative safety and feasibility. We aimed to retrospectively evaluate the feasibility and safety of the BiClamp® device for open liver resection.We included 84 patients undergoing liver resection from a single centre, with all patients operated by the same surgical group. All hepatectomies were performed using BiClamp® (Erbe Elektromedizin GmbH, Tubingen, Germany), an electrosurgical device that simultaneously transects liver parenchyma and seals vessels <7 mm in diameter. We collected data on intraoperative blood loss, resection time, and perioperative complications, comparing cirrhotic and non-cirrhotic patients.The 84 patients enrolled in this study included 56 cirrhotic and 28 non-cirrhotic patients. All patients underwent hepatectomy (30 major and 54 minor hepatectomies) using the BiClamp®, exclusively, and 54 patients required inflow occlusion (Pringle manoeuvre). Overall intraoperative blood loss (mean ± standard deviation) was 523.5 ± 558.6 ml, liver parenchymal transection time was 36.3 ± 16.5 min (range, 13-80 min), and the mean parenchymal transection speed was 3.0 ± 1.9 cm2/min. Twelve patients received perioperative blood transfusion. The cost of BiClamp® for each patient was 800 RMB (approximately 109€). There were no deaths, and the morbidity rate was 25%. The mean (standard deviation) hospital stay was 9.3 (2.3) days. Comparisons between cirrhotic and non-cirrhotic patients revealed no difference in blood loss (491.0 ± 535.7 ml vs 588.8 ± 617.5 ml, P = 0.598), liver parenchymal transection time (34.1 ± 14.8 min vs 40.9 ± 19.2 min, P = 0.208), mean parenchymal transection speed (3.3 ± 2.1 cm2/min vs 2.5 ± 1.3 cm2/min, P = 0.217), and operative morbidity (28.6% vs 14.3%, P = 0.147).The reusable BiClamp® vessel-sealing device allows for safe and feasible major and minor hepatectomy, even in patients with cirrhotic liver.This trial was retrospectively registered and the detail information was as followed. Registration number: ChiCTR-ORC-17011873 (Chinese Clinical Trial Registry). Registration Date: 2017-07-05.

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Hepatic resection using a bipolar vessel sealing device: technical and histological analysis.

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