Abstract
Lung volume reduction surgery (VRS) is widely performed to improve symptoms in patients with severe pulmonary emphysema; however, it remains unclear whether or not the underlying type of emphysema affects the surgical results. A total of 58 patients with advanced symptomatic emphysema underwent thoracoscopic VRS of emphysematous lung tissue. The resected lung tissue was examined microscopically, and the patients were classified into two groups according to the predominant pathological findings, as having either centrilobular-type or panacinar-type emphysema. A predominant pathological type was identified in only 34 patients (59%), 19 of whom had centrilobular-type emphysema and 15, panacinar-type emphysema. Patients with predominately panacinar emphysema had more compromised total lung capacity and residual volume than those with centrilobular emphysema. Significant improvements in forced expiratory volume in 1 s were evident 3 months after surgery in the group with centrilobular emphysema (+515 ± 141 ml) compared with that in the group with panacinar-type emphysema (+109 ± 40 ml, P = 0.03). The results of lung VRS were found to depend on the underlying type of emphysema, as the benefits of surgery for panacinar emphysema were less marked than those for centrilobular emphysema.
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Received: February 25, 2000 / Accepted: March 6, 2001
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Sugi, K., Kaneda, Y., Murakami, T. et al. The Outcome of Volume Reduction Surgery According to the Underlying Type of Emphysema. Surg Today 31, 580–585 (2001). https://doi.org/10.1007/s005950170090
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DOI: https://doi.org/10.1007/s005950170090