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Initial experience of video-assisted thoracic surgery lobectomy with partial removal of the pulmonary artery

Department of Thoracic Surgery, Shin-Kokura Hospital, Federation of National Public Service Personnel Mutual Aid Associations, 1-3-1 Kanada, Kokurakita-ku, Kitakyushu 803-8505, Japan

Corresponding author. Tel.: +81-93-571-1031; fax: +81-93-591-0553.

E-mail address: ryoichi{at}med.uoeh-u.ac.jp (R. Nakanishi).

A lobectomy with a resection of the pulmonary artery is less invasive than a pneumonectomy. However, it seems to be extremely difficult to perform this technique using video-assisted thoracic surgery with technical limitations because this technique is associated with an increased operative risk even in an open thoracotomy. Between April 2002 and December 2006, a curative video-assisted thoracic surgery lobectomy including a mediastinal lymphadenectomy was performed in 121 patients with primary non-small cell lung cancer. Five of those patients underwent a thoracoscopic lobectomy with the partial removal and reconstruction of the pulmonary artery. The causes of the pulmonary artery resection included two direct invasions of the artery, two invasions of the arterial branch, and one calcified lymphadenopathy involving the branch. No patients required a blood transfusion. No complications attributable to the technique or mortality were seen. No patients showed an abnormal blood flow through the reconstructed vessel. There were no local recurrences on the pulmonary artery. A video-assisted thoracic surgery lobectomy including a partial resection and reconstruction of the pulmonary artery is a complex procedure for patients with non-small cell lung cancer. It is feasible when all associated technical issues are properly addressed.

Key Words: Endoscopic procedures; Lung cancer; Minimally invasive surgery; Pulmonary arteries; Video-assisted thoracic surgery (VATS); Non-small cell lung cancer; Lobectomy (lung); Angioplasty

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