Abstract
Introduction
Safe pulmonary vessel sealing device plays a crucial role in anatomic lung resection. In 2014, we reported high rates of massive bleeding complications during transumbilical lobectomy in a canine model due to difficulty in managing the pulmonary vessel with an endostapler. In this animal survival series, we aimed to evaluate the outcome of pulmonary vessel sealing with an electrocautery device to simplify the transumbilical thoracic surgery.
Methods
Under general anesthesia, a 3-cm longitudinal incision was made over the umbilicus. Under video guidance, a bronchoscope was inserted through the incision for exploration. The diaphragmatic wound was created with an electrocautery knife and used as the entrance into the thoracic cavity. Using the transumbilical technique, anatomic lobectomy was performed with electrosurgical devices and endoscopic vascular staplers in 15 canines.
Results
Transumbilical endoscopic anatomic lobectomy was successfully completed in 12 of the 15 animals. Intraoperative bleeding developed in three animals during pulmonary hilum dissection, where one animal was killed due to hemodynamic instability and the other two animals required thoracotomy to complete the operation. There were five delayed bleeding and surgical mortality cases caused by inadequate vessel sealing by electrosurgical devices. Postmortem examination confirmed correct transumbilical lobectomy in the twelve animals that survived the operations.
Conclusion
Transumbilical anatomic lobectomy is technically feasible in a canine model; however, the electrosurgical devices were not effective in sealing the pulmonary vessel in the current canine model.
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Acknowledgments
This work was supported by the Chang-Gung Memorial Hospital, Taiwan (Contract No. CMRPG3C1681).
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Drs. Hung-Ping Liu, Yen-Chu, Yi-Cheng Wu, Ming-Ju Hsieh, Chieng-Ying Liu, Tzu-Ping Chen, Yin-Kai Chao, Ching-Yang Wu, Chi-Ju Yeh, Po-Jen Ko, and Yun-Hen Liu have no conflicts of interest or financial ties to disclose.
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Liu, HP., Chu, Y., Wu, YC. et al. Electrocautery device does not provide adequate pulmonary vessel sealing in transumbilical anatomic pulmonary lobectomy. Surg Endosc 30, 1911–1919 (2016). https://doi.org/10.1007/s00464-015-4412-6
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DOI: https://doi.org/10.1007/s00464-015-4412-6