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Laparoscopic parenchymal division of the liver in a porcine model: comparison of the efficacy and safety of three different techniques
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Anaesthesiology and Intensive Care.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Anaesthesiology and Intensive Care.
2007 (English)In: Surgical Endoscopy, ISSN 0930-2794, E-ISSN 1432-2218, Vol. 21, no 2, 315-320 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Bleeding is a known and CO2 embolization a suggested risk factor for increased morbidity after laparoscopic liver resection. Devices for laparoscopic liver parenchymal transection must be evaluated for safety in this context. METHOD: Twelve piglets underwent laparoscopic surgery during CO2 pneumoperitoneum, each animal receiving three 6 cm long transections into the liver parenchyma made with ultrasonic dissector, ultrasonic shears and vessel sealing system, respectively. Endpoints were bleeding, operation time and gas embolization. The transections and embolization events, evaluated with transesophageal echocardiography, were video recorded. Bleeding and embolization were also assessed on video tapes and operating time measured. Arterial blood gases were recorded on line. RESULTS: The ultrasonic dissector was least advantageous in terms of bleeding and operation time. Gas embolization was more frequent with the vessel sealing system than with the ultrasonic dissector and ultrasonic shears. During two episodes of gas embolization, pCO2 increased and pO2 and pH decreased. CONCLUSIONS: Use of all three devices is feasible. Bleeding and operation time are greatest with the ultrasonic dissector. Gas embolization occurs during transection, though in most instances it is completely harmless. Laparoscopic liver surgery with these techniques used may pose a risk of gas embolization with clinical implications. Monitoring for such events is probably to be recommended.

Place, publisher, year, edition, pages
2007. Vol. 21, no 2, 315-320 p.
Keyword [en]
Bleeding, Carbon dioxide emboli, Laparoscopic liver surgery
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-89234DOI: 10.1007/s00464-006-0758-0ISI: 000243882400031PubMedID: 17219291OAI: oai:DiVA.org:uu-89234DiVA: diva2:159662
Available from: 2009-02-09 Created: 2009-02-09 Last updated: 2017-12-14Bibliographically approved

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Fors, DiddiRubertsson, Sten

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