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Safety and Efficacy of a New Bipolar Energy Device for Parenchymal Dissection in Laparoscopic Liver Resection

Dural, Cem MD; Akyuz, Muhammet MD; Yazici, Pinar MD; Aksoy, Erol MD; Aucejo, Federico MD; Quintini, Cristiano MD; Miller, Charles MD; Fung, John MD; Berber, Eren MD

Surgical Laparoscopy Endoscopy & Percutaneous Techniques: February 2016 - Volume 26 - Issue 1 - p 21–24
doi: 10.1097/SLE.0000000000000223
Original Articles

Background: Despite emerging technologies, parenchymal transection still remains challenging in liver resection. The aim of this study is to assess the safety and efficacy of a new articulating vessel sealer for laparoscopic hepatectomy. Our hypothesis was that this new device would facilitate parenchymal transection and reduce intraoperative costs in laparoscopic hepatectomy.

Methods: Within 18 months, a 5 cm bipolar articulating vessel sealer was used in 32 laparoscopic liver resections (LLR). By excluding 4 patients who underwent concomitant colorectal resections, the outcomes of the remaining 28 patients (group 1) were compared with 28 patients who underwent LLR by the same surgical group using other energy devices (group 2).

Results: Tumor type was malignant in 71% of patients (n=20) in group 1 and 89% of the patients (n=25) in group 2 (P=0.360). The number and size of tumors were similar in both groups, as well as the type of resections performed. In group 1, there was a less number of adjunctive devices (ie, energy, clip appliers, staplers) used (median 2) compared with group 2 (median 3, P=0.032). Parenchymal transection time (mean±SEM 28.2±3.5 vs. 55.2±4.1 min, respectively, P<0.001) and total operative time (200.1±13.7 vs. 242.7±14.4 min, respectively, P=0.036) were shorter for group 1 versus group 2. Estimated blood loss, transfusion rate, margin status, and length of stay were similar between the groups. There was no mortality. Morbidity was 11% (n=3) in group 1 and 18% (n=5) in group 2 (P=NS). The overall intraoperative costs were an average of $3000 less in group 1 (95% confidence interval, $1090-$4930, P=0.0029) compared with group 2.

Conclusions: This study demonstrates the safety and efficacy of a new energy device for LLR. Our experience suggested that this new device provided the functionality of both a vessel sealer and a stapler with its large jaw and articulation.

Department of General Surgery, Cleveland Clinic, Cleveland, OH

This study has been accepted for oral poster presentation at the AHPBA Annual Meeting, March 11–15, 2015, Miami Beach, FL.

Dr Berber has received consultant honorarium from Aesculap Inc, Center Valley, PA and Covidien Inc.

The authors declare no conflicts of interest.

Reprints: Eren Berber, MD, Department of General Surgery, Cleveland Clinic, 9500 Euclid Avenue/F20, Cleveland, OH 44195 (e-mail:

Received March 10, 2015

Accepted October 26, 2015

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