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  • Title: Preoperative use of inhaled tiotropium in lung cancer patients with untreated COPD.
    Author: Kobayashi S, Suzuki S, Niikawa H, Sugawara T, Yanai M.
    Journal: Respirology; 2009 Jul; 14(5):675-9. PubMed ID: 19476597.
    Abstract:
    BACKGROUND AND OBJECTIVE: Lung cancer patients with COPD are at high risk during surgery. Tiotropium, a long-acting bronchodilator, is a preferred maintenance therapy for COPD, but its efficacy in the perioperative period has not been clarified. METHODS: A retrospective review was performed of the medical records of 102 patients with primary lung cancer and COPD, who underwent scheduled surgery. Twenty-one lung cancer patients with untreated mild-to-severe COPD received tiotropium preoperatively. Spirometry was performed prior to and after 2 weeks of treatment with tiotropium, and at 3 months after surgery. RESULTS: Two-week preoperative treatment with tiotropium significantly improved respiratory symptoms and pulmonary function as reflected by FVC (median 3.43 L pretreatment vs 3.52 L post-treatment), FEV(1) (median 2.06 L vs 2.32 L) and FEV(1)% (73.2% vs 81.0%) (all P < 0.001). Postoperative FEV(1)% was significantly increased from a median of 56.0% (interquartile range 51.6-60.3) to 63.4% (60.8-66.0) (P < 0.001). The increase in FEV(1) was inversely associated with severity of COPD (r = -0.59, P < 0.005). Lung resections were successfully accomplished without complications. The postoperative FEV(1) predicted prior to tiotropium treatment was underestimated (median predicted postoperative FEV(1) 1.65 L vs median measured postoperative FEV(1) 1.96 L, P < 0.001). CONCLUSIONS: Preoperative treatment with tiotropium may facilitate surgical treatment for lung cancer patients with COPD. This is encouraging for COPD patients who may require curative lung resections.
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