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Background  This study aims to compare safety and impact of monopolar electrocautery and ultrasonic dissector (Harmonic ACE Plus®) on postoperative short-term outcomes after video-assisted thoracoscopic (VATS) lobectomy and lymphadenectomy for lung cancer.    Methods  We analyzed the prospectively collected data of 140 consecutive patients [59% male; median age: 71(IQR:62–76) years] undergoing VATS lobectomy and lymphadenectomy in our institution between October 2016 and November 2019. Patients were divided in two groups based on device used: monopolar electric hook in 79 cases (Group A); ultrasonic dissector in 61(Group B). Energy instrument-related intraoperative accidents, hemothorax/chylothorax incidence, total pleural effusion volume at 48 postoperative hours and chest tube duration were compared between groups. Multivariable analysis was performed to test energy device as possible independent risk factor either for increased pleural effusion volume or for prolonged chest tube duration.    Results  No intraoperative accidents due to energy device occurred. No hemothorax was recorded. Postoperative chylothorax incidence was slightly higher in Group A (2.5% vs 0%;  p -value = 0.21). Total pleural effusion volume at 48 h was significantly higher in Group B: 400 (285–500) vs 255 (150–459) ml ( p -value = 0.005). Chest tube duration was similar in the two groups: 5 (3–9) vs 5 (3–8) days ( p -value = 0.77). At multivariable analysis the energy device used was not associated with increased pleural effusion volume ( p -value = 0.43) nor with prolonged chest tube duration ( p -value = 0.28).    Conclusions  Monopolar electrocautery and Harmonic ACE Plus® were safe and had a similar impact on short-term outcomes after VATS lobectomy and lymphadenectomy, suggesting that energy devices choice could be left to surgeon’s preference.

journal of cardiothoracic surgery

Energy devices safety and impact on video-assisted thoracoscopic lung lobectomy postoperative course: monopolar electrocautery versus ultrasonic dissector