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Eur J Cardiothorac Surg 2002;22:610-614
© 2002 Elsevier Science NL
Department of Respiratory Medicine and Thoracic Surgery, Glenfield Hospital, LE3 9QP Leicester, UK
Received 15 September 2001; received in revised form 13 April 2002; accepted 14 June 2002.
* Corresponding author. Tel.: +44-116-256-3959; fax: +44-116-236-7768
e-mail: ingeroey{at}hotmail.com
Objective: Bilateral lung volume reduction surgery (LVRS) is thought to be preferable to unilateral surgery due to greater initial benefit but the subsequent rate of decline may also be greater. We compared the long term physiological and health status outcome of LVRS performed on one or simultaneously on both lungs. Methods: Prospective data were collected on a consecutive series of 65 patients undergoing LVRS who were all suitable for bilateral surgery. Twenty-six patients: age 59 (8) years underwent bilateral LVRS by video-assisted thoracoscopy (VAT) or sternotomy and 39 patients: age 60 (6) years underwent unilateral VAT. The perioperative effects of LVRS on spirometry were prospectively recorded at 3, 6, 12 and 24 months. Results: The unilateral group had similar preoperative lung volumes to the bilateral patients: forced expiratory volume in 1 s (FEV1) 26 vs. 30% predicted, RV 275 vs. 246% predicted and total lung capacity (TLC) 148 vs. 142% predicted. Unilateral LVRS was associated with significantly lower weight of lung resected: 80 (31) vs. 118 (46) g; hospital stay: 16 (10) days vs. 28 (22) days. Thirty-day mortality was 3% in the unilateral and 8% in the bilateral group (P=0.34). Postoperative ventilation occurred in 5% in the unilateral and in 42% in the bilateral group (P=0.0002). The decline of FEV1 during the first postoperative year was significant in the bilateral group (-313 ml/y, P=0.04) but not significant in the unilateral group (-50 ml/y, P=0.18). SF 36 scores in all eight domains were similar in both groups preoperatively and at any postoperative interval. Conclusion: We have found no benefit from bilateral simultaneous LVRS and prefer unilateral LVRS because of the lower morbidity, resulting in earlier discharge, and slower decline in physiological benefit.
Key Words: Lung volume reduction surgery • Video-assisted thoracoscopy • Emphysema
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