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Use of a collagen-sealing device in hepatic resection: a comparative analysis to standard resection technique.

ABSTRACT: BACKGROUND: Blood transfusion has been reported as an independent risk factor for poor outcome after liver resection in spite of its well known benefits. Refinements in parenchymal dissection have been pursued to reduce blood loss and transfusion. A collagen-sealing device (CSD) has recently been touted as an alternative technique that aids in blood conservation. We report the results of our initial series of patients undergoing a CSD-assisted resection and present a historical comparison. PATIENTS AND METHODS: Consecutive patients who were undergoing liver resection at a single tertiary cancer centre were enrolled in this study. The Ligasure Atlas device (Valleylab Inc., Division of Tyco Healthcare) was used for parenchymal division in the CSD group. Known blood conservation techniques (i.e. low central venous pressure, ultrasonic dissection, Pringle clamp) were standardized in both groups. Clinical and outcome variables including operative time, estimated blood loss and transfusion requirements were collected. All statistical analyses were performed with SAS version 8.2e. RESULTS: In all, 28 consecutive patients underwent CSD-assisted hepatic resection between October 2003 and September 2004. The control group included 188 patients treated between January 1991 and September 2003. In the CSD group, we observed a reduction in mean estimated blood loss (930 vs 1450 ml, p=0.002) and mean transfusion requirements (0.46 vs 1.19 units, p=0.002). There was no increase in operative time with the new instrument (326 vs 363 min, p=0.167). DISCUSSION: Use of a CSD has the potential to further reduce blood loss and transfusion requirements without increasing operative time.

SUBMITTER: Cheang T

PROVIDER: S-EPMC2131684 | biostudies-other | 2006

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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Use of a collagen-sealing device in hepatic resection: a comparative analysis to standard resection technique.

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