Prognosis of Patients after Pulmonary Artery Plasty for Non-Small Cell Lung Cancer

Abstract

Objective: We evaluated the clinical outcomes of patients after lung resection with pulmonary artery (PA) plasty for non-small cell lung cancer (NSCLC). Methods: From 1995 to 2006, 36 patients (26 males and 10 females) with NSCLC underwent lobectomy or segmentectomy with PA plasty at our institution. The mean age of the patients was 65.9 years old (range 45–87 years old). There were 17 left upper lobectomies, 10 right upper lobectomies, five left lower lobectomies, two right upper-and-middle bilobectomies, one right lower lobectomy, and one left upper division segmentectomy. Both bronchoplasty and PA plasty were performed in 15 patients. Six patients received preoperative chemotherapy, and one had preoperative radiotherapy. Results: The postoperative morbidity rate was 27.8 % (10/36), and the mortality rate (30 days) was 2.8 % (1/36). One patient underwent completion pneumonectomy on postoperative day 13. Macroscopic residual cancer was identified in two patients at the thoracic wall and aorta, respectively; microscopic residual cancers were identified in two patients at the stumps of the pulmonary artery and in one patient at the bronchial stump. Postoperative radiation therapy was additionally given to those four patients, except one. The 5-year survival rate for all patients was 51.8 %. There was no significant difference in the 5-year survival rate between clinical N (cN) 0–1 patients and cN2 patients. However, in pathological N (pN) 0–1 patients, the 5-year survival rate was significantly better than that of pN2 patients (71.9 % versus 0.0 %; p < 0.001). Conclusions: PA plasty for NSCLC is acceptable and highly recommended for pN0–1 patients. Strict patient selection should be considered so as to avoid surgical operations in patients with pN2 staging.

Key words

pulmonary artery plasty - lung cancer - sleeve lobectomy - prognosis - long‐term survival

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