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Eur J Cardiothorac Surg 2002;22:363-367
© 2002 Elsevier Science NL

Successful lung volume reduction surgery brings patients into better condition for later lung transplantation

Department of Cardiothoracic Surgery, University of Vienna, Währinger Gürtel 18-20, A-1090 Vienna, Austria

Received 17 November 2001; received in revised form 28 May 2002; accepted 29 May 2002.

* Corresponding author. Tel.: +43-1-40-400-5620; fax: +43-1-40-400-5642
e-mail: walter.klepetko{at}akh-wien.ac.at

Objectives: Lung volume reduction surgery (LVRS) is accepted as a potential alternative therapy to lung transplantation (LTX) for selected patients. However, the possible impact of LVRS on a subsequent LTX has not been clearly elucidated so far. We therefore analyzed the course of 27 patients who underwent LVRS followed by LTX in our institution. Methods: Twenty-seven patients (11 male, 16 female, mean age 51.9±2.2 years) out of 119 patients who underwent LVRS between 1994 and 1999 underwent LTX 29.7±3.2 months (range 2–57 months) after LVRS. Based on the postoperative course of FeV1 after LVRS (best value within the first 6 months postoperatively compared with the preoperative value) patients were divided into two groups: Group A (n=11) without any improvement (FeV1 <20% increase), and Group B (n=16) with FeV1 increase 20% after successful LVRS which declined to preoperative values after 8–42 months. Subsequent LTX was performed 22.9±5.6 months after LVRS in Group A and 34.3±4.9 months after LVRS in Group B (P<0.05). Patients were analyzed according to the course of their functional improvement and of their body mass index (BMI) after LVRS and to survival after LTX, respectively. Values are given as the mean±SEM and significance was calculated by the ²-test whereas continuous values were estimated by Student's t-test. Results: Patients in Group A without improvement in FeV1 after LVRS had no increase in BMI as well and this resulted in a high perioperative mortality of 27.3% after LTX. On the contrary, patients in Group B, who had a clear increase of FeV1 after LVRS, experienced a significant increase of BMI of 23.2±4.5% as well (P<0.05). This improvement in BMI remained stable despite a later deterioration of FeV1 prior to LTX. After LTX, these patients had a significantly lower perioperative mortality of 6.3% as compared to Group A (P=0.03). Conclusions: Successful LVRS delays the need for transplantation, improves nutritional status and brings patients into a better pretransplant condition, which results in decreased perioperative mortality at LTX. Patients after failed LVRS, however, should be considered as poor candidates for later transplantation.

Key Words: Lung volume reduction • Lung transplantation • Pulmonary emphysema

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