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Ann Thorac Surg 2000;70:396-400
© 2000 The Society of Thoracic Surgeons
a First Department of Surgery, Asahikawa Medical College, Asahikawa, Japan
Address reprint requests to Dr Yatsuyanagi, First Department of Surgery, Asahikawa Medical College, Midorigaoka-Higashi 21-11, Asahikawa 0788510, Japan
e-mail: yanagi8{at}asahikawa-med.ac.jp
Background. Anastomotic complications associated with bronchoplastic procedures cannot be completely avoided despite the improvements made in surgical techniques and suture materials. Thus, the present study attempted to clearly define the significant factors influencing anastomotic complications.
Methods. Between 1978 and 1998, 47 patients with primary nonsmall cell lung cancer underwent bronchoplastic procedures. The incidences of anastomotic complications were calculated according to each of the following clinical factors: primary site, age, pathologic type, pT factor, pN factor, pulmonary arterioplasty, surgical procedure, suture material, coverage of the anastomotic line, positive resection margin, and preoperative chemotherapy. The results were analyzed using univariate and multiple logistic regression analysis.
Results. Anastomotic complications occurred in 8 patients. Four had anastomotic dehiscence and 4 had stenosis. Of these 8 patients, the resection margin was diagnosed as being positive in 6 patients. Three showed metastasis of the most distal mediastinal lymph node whereas the others had a residual tumor at the bronchial resection margin. According to multiple logistic regression analysis, only pN factor (p = 0.04) and positive resection margin (p = 0.02) had a significant influence on the complications.
Conclusions. Thus, pN2 patients, especially those with metastasis of the most distal mediastinal lymph node and patients with a residual tumor at the bronchial resection margin, have a significantly higher risk of anastomotic complications.
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