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  • Title: Does chronic obstructive pulmonary disease affect postoperative quality of life in patients undergoing lobectomy for lung cancer? A case-matched study.
    Author: Pompili C, Brunelli A, Refai M, Xiumè F, Sabbatini A.
    Journal: Eur J Cardiothorac Surg; 2010 Mar; 37(3):525-30. PubMed ID: 19850491.
    Abstract:
    BACKGROUND: The objective of this investigation was to assess the quality of life (QoL) before and after pulmonary lobectomy in patients with chronic obstructive pulmonary disease (COPD) and to compare these values with a case-matched population of patients with normal respiratory function. METHODS: This is an observational analysis performed on a prospective dataset of 220 consecutive patients submitted to pulmonary lobectomy for lung cancer (2006-2008). Patients submitted to extended procedures (chest wall resection and superior sulcus) were excluded from the analysis. Pre- and postoperative (3 months) QoL were assessed in all patients through the administration of the Short Form 36v2 (SF36v2) health survey, a generic QoL instrument assessing eight health physical and mental concepts. Propensity score was used to match COPD patients (according to the NHLBI/WHO Global Initiative for Chronic Obstructive Lung Disease (GOLD) criteria: forced expiratory volume in 1s/forced expiratory vital capacity (FEV1/FVC) ratio <0.7 and FEV1 <80%) with counterparts without COPD. QoL scales were compared between the two matched groups by means of the Mann-Whitney test. RESULTS: Propensity score yielded 50 well-matched pairs of patients with and without COPD. Compared with non-COPD patients, those with COPD had a threefold higher rate of cardiopulmonary morbidity (14 cases vs 5 cases, 28% vs 10%, p=0.04), lower reduction in FEV1 (6% vs 13%, p=0.0002), but lower residual postoperative FEV1 values (62% vs 74%, p<0.0001). Postoperative carbon monoxide lung diffusion capacity (DLCO) (69% vs 65%, p=0.1) and VO(2 max) (15.3 ml kg(-1)min(-1) vs 14.3 ml kg(-1)min(-1)p=0.4) values were similar between the groups. Although most of the preoperative and postoperative QoL domains in both groups were reduced compared with normal population (<50), we were not able to find differences between the groups in any of the preoperative and postoperative physical and mental QoL scales. CONCLUSIONS: The evidence of an acceptable QoL in COPD patients may help both patients and physicians in the surgical decision-making process in the face of high rates of complications.
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