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Am. J. Respir. Crit. Care Med., Volume 162, Number 4, October 2000, 1292-1296

Acute Respiratory Failure after Lung Volume Reduction Surgery

WISSAM CHATILA, SATOSHI FURUKAWA, and GERARD J. CRINER

Division of Pulmonary and Critical Care Medicine, Department of Medicine, and Cardiothoracic Division, Department of Surgery, Temple University School of Medicine, Philadelphia, Pennsylvania

In this study, we characterized patients who developed respiratory failure postoperatively after lung volume reduction surgery (LVRS). We retrospectively reviewed the records of 72 patients who underwent LVRS from February 1995 to February 1998, examining perioperative variables and complications. Twenty-one patients (29%) developed postoperative respiratory failure, five due to hypoxemia, nine due to hypercapnia, and seven secondary to hemodynamic instability. The hospital mortality was 33% among patients who developed respiratory failure. No preoperative clinical or physiologic variable (including percent ideal body weight, serum albumin, prednisone use, lung function, maximal O2 uptake on exercise testing, 6-min walk distance, and hemodynamic parameters) was predictive of postoperative respiratory failure. Patients who developed respiratory failure were older (63 ± 7 versus 57 ± 8 yr, p = 0.01), had longer anesthesia time (188 ± 96 versus 127 ± 56 min, p = 0.001), had a higher incidence of coronary artery disease (40% versus 10%, p = 0.001) and performance of concomitant surgical procedures during the LVRS operation (40% versus 2%, p < 0.001) compared with those without respiratory failure. All patients who underwent simultaneous surgery, which were mostly for cardiac disease, developed respiratory failure. Risk factor analysis confirmed that older patients and those undergoing cardiac surgery combined with LVRS are at increased risk for postoperative respiratory failure.




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