• Ann. Thorac. Surg. · Jul 2016

    Multicenter Study

    Sequential Bilateral Bronchoscopic Lung Volume Reduction With One-Way Valves for Heterogeneous Emphysema.

    • Alfonso Fiorelli, Antonio D'Andrilli, Marco Anile, Daniele Diso, Camilla Poggi, Mario Polverino, Giuseppe Failla, Federico Venuta, Erino Angelo Rendina, and Mario Santini.
    • Division of Thoracic Surgery Unit, Faculty of Medicine, Second University of Naples, Naples, Italy. Electronic address: alfonso.fiorelli@unina2.it.
    • Ann. Thorac. Surg. 2016 Jul 1; 102 (1): 287-94.

    BackgroundClinical benefits of bronchoscopic lung volume reduction with one-way endobronchial valves have been reported for heterogeneous emphysema after unilateral treatment. We assessed the potential role of contralateral treatment to prolong the benefits obtained with the first procedure.MethodsThis was a retrospective multicenter study including consecutive patients with heterogeneous emphysema undergoing bronchoscopic valves deployment during the last 4 years. Patients were split into two groups depending on the procedure (unilateral versus bilateral). The intergroup differences were evaluated to assess the viability, effectiveness, and safety of the bilateral procedure.ResultsForty-nine patients were enrolled. Of these, 14 (28%) had a sequential bilateral procedure mainly due to loss of the clinical benefits obtained with the first treatment. A significant improvement of forced expiratory volume in 1 second (p < 0.05), forced vital capacity (p < 0.05), residual volume (p < 0.05), 6-minute walking test (p < 0.05), and St. George respiratory questionnaire (p < 0.02) was achieved after the second procedure. These results were maintained during follow-up. There was no significant difference regarding the changes of forced expiratory volume in 1 second (p = 0.4), forced vital capacity (p = 0.08), residual volume (p = 0.9), 6-minute walking test (p = 0.3), and St. George respiratory questionnaire (p = 0.1) between the bilateral and unilateral groups.ConclusionsA sequential bilateral approach seems to be a valid strategy to improve respiratory function in patients with bilateral heterogeneous emphysema who have lost the benefits obtained with the first procedure.Copyright © 2016 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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