Does chemotherapy increase the risk of respiratory complications after pneumonectomy?

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Abstract

Objective: The impact of induction chemotherapy on postoperative complications after pneumonectomy remains unclear. The aim of the study was to test the hypothesis that chemotherapy may increase the risk of postoperative respiratory complications. Methods: Data from 202 consecutive standard pneumonectomies performed for lung cancer were collected and analyzed. Postoperative and 90-day mortality, overall morbidity, and respiratory complication rates were evaluated in patients who had no induction treatment (group A, n = 103) as well as in those who received it (n = 99, group B). Preoperative chemotherapy was inserted as a variable together with 12 other variables (age, sex, smoking status, body mass index, previous cardiac event, American Society of Anesthesiologists score, preoperative forced expiratory volume in 1 second [percent], diffusion capacity for carbon monoxide adjusted for alveolar volume [percent], side of pneumonectomy, perfusion of the removed lung, operating time, and blood transfusion) into univariate and multivariate logistic regression. Results: No difference in terms of mortality was recorded between group A (4.9%) and group B (3%, P > .05). Respiratory complications were more frequent in group B than in group A (19 cases, 19.2%, vs 7 cases, 6.8%, P = .008). Univariate logistic regression has demonstrated that pulmonary complications were more frequent in patients over the age of 70 than in those aged 70 or less (25.7% vs 10.2, P = .02), in those with a lower diffusion capacity adjusted for alveolar volume (18.3% vs 5.95%, P = .06), and in patients who received preoperative chemotherapy (19.2% vs 6.8, P = .008). Logistic regression confirmed the role of age (odds ratio = 6.3), preoperative chemotherapy (odds ratio = 4.4), and diffusion capacity adjusted for alveolar volume (odds ratio = 0.33) as risk factors of respiratory complications. Conclusions: Standard pneumonectomy is a safe procedure even after induction chemotherapy, with a mortality rate in the order of 5%, but this increases in patients over the age of 70 years. In the case of induction chemotherapy, the risk of respiratory complications is significantly increased, apparently not affecting the overall mortality rate.

Original languageEnglish
Pages (from-to)519-523
Number of pages5
JournalJournal of Thoracic and Cardiovascular Surgery
Volume132
Issue number3
DOIs
Publication statusPublished - Sep 2006

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Surgery

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