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  • Title: Impact of chronic obstructive pulmonary disease on respiratory status and quality of life in newly diagnosed patients with lung cancer.
    Author: Mohan A, Mohan C, Pathak AK, Pandey RM, Guleria R.
    Journal: Respirology; 2007 Mar; 12(2):240-7. PubMed ID: 17298457.
    Abstract:
    OBJECTIVE AND BACKGROUND: A significant proportion of patients with lung cancer have associated COPD, which is considered an independent risk factor and cause of morbidity and mortality. However, the effect of COPD on respiratory status and quality of life in lung cancer has not been evaluated. METHODS: Newly diagnosed patients with lung cancer were assessed at diagnosis before starting treatment, for detailed respiratory status, spirometry and World Health Organization-Bref Quality of Life questionnaire in Hindi (WHOQOL-Bref Hindi). RESULTS: One hundred and sixty patients were studied. Spirometry was abnormal in 92.7% patients, 42% had COPD, and the majority (88.6%) had advanced disease (stage III and IV). Patients scored poorly in all QOL domains, with social domain faring worst. Karnofsky Performance status (KPS) correlated significantly with all QOL domains. No significant differences were found in clinical profile, KPS, or QOL scores between patients with and without COPD. Chest pain and dyspnoea severity (assessed by Medical Research Council) grading and visual analogue scale correlated with physical QOL domain. CONCLUSION: Patients with lung cancer have a poor QOL that is affected by the severity of respiratory profile and KPS. The presence of COPD does not significantly affect QOL in lung cancer patients.
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