• Kazuya Takamochi, Shiaki Oh, Joe Matsuoka, and Kenji Suzuki.
• Department of General Thoracic Surgery, Juntendo University School of Medicine, 1-3 Hongo 3-chome, Bunkyo-ku, Tokyo 113-8431, Japan.
• Interact Cardiovasc Thorac Surg. 2011 May 1; 12 (5): 739-43.

AbstractThe aim of this study was to evaluate the perioperative morbidity, mortality, and risk factors for morbidity after lung cancer resection in younger and elderly patients. This study retrospectively reviewed 1073 patients with non-small cell lung cancers (NSCLC) who underwent pulmonary resection. The risk factors for morbidity were analyzed independently in groups of 664 younger (<70 years) patients and 409 elderly (≥ 70 years) patients. Co-morbidities, such as hypertension, ischemic heart disease, and renal insufficiency were more frequently observed in the elderly group in comparison to the younger group. However, there were no statistical differences in the rates of overall morbidity and 30-day mortality between the younger and elderly groups (36% vs. 42% and 0.3% vs. 0.5%, respectively). Multivariate analyses revealed the risk factors for morbidity to be % forced expiratory volume in 1 s (FEV(1)), the extent of pulmonary resection and tumor histology in the younger group, and smoking, hypertension, renal insufficiency and % diffusing capacity of the lung to carbon monoxide (DLCO) in the elderly group, respectively. In conclusion, the rate of morbidity and mortality in elderly patients were similar to those observed in younger patients. However, perioperative management should be cautiously performed while taking into account the risk factors for morbidity especially in elderly patients because they frequently have various co-morbidities.

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