Abstract
Background: Patients with chronic obstructive pulmonary disease (COPD) often present with severe acute exacerbations requiring hospital treatment. However, little is known about the prognostic consequences of these exacerbations. A study was undertaken to investigate whether severe acute exacerbations of COPD exert a direct effect on mortality.
Methods: Multivariate techniques were used to analyse the prognostic influence of acute exacerbations of COPD treated in hospital (visits to the emergency service and admissions), patient age, smoking, body mass index, co-morbidity, long term oxygen therapy, forced spirometric parameters, and arterial blood gas tensions in a prospective cohort of 304 men with COPD followed up for 5 years. The mean (SD) age of the patients was 71 (9) years and forced expiratory volume in 1 second was 46 (17)%.
Results: Only older age (hazard ratio (HR) 5.28, 95% CI 1.75 to 15.93), arterial carbon dioxide tension (HR 1.07, 95% CI 1.02 to 1.12), and acute exacerbations of COPD were found to be independent indicators of a poor prognosis. The patients with the greatest mortality risk were those with three or more acute COPD exacerbations (HR 4.13, 95% CI 1.80 to 9.41).
Conclusions: This study shows for the first time that severe acute exacerbations of COPD have an independent negative impact on patient prognosis. Mortality increases with the frequency of severe exacerbations, particularly if these require admission to hospital.
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Selected References
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- Almagro Pedro, Calbo Esther, Ochoa de Echagüen Anna, Barreiro Bienvenido, Quintana Salvador, Heredia José L., Garau Javier. Mortality after hospitalization for COPD. Chest. 2002 May;121(5):1441–1448. doi: 10.1378/chest.121.5.1441. [DOI] [PubMed] [Google Scholar]
- Anthonisen N. R., Wright E. C., Hodgkin J. E. Prognosis in chronic obstructive pulmonary disease. Am Rev Respir Dis. 1986 Jan;133(1):14–20. doi: 10.1164/arrd.1986.133.1.14. [DOI] [PubMed] [Google Scholar]
- Antonelli Incalzi R., Fuso L., De Rosa M., Forastiere F., Rapiti E., Nardecchia B., Pistelli R. Co-morbidity contributes to predict mortality of patients with chronic obstructive pulmonary disease. Eur Respir J. 1997 Dec;10(12):2794–2800. doi: 10.1183/09031936.97.10122794. [DOI] [PubMed] [Google Scholar]
- Brusasco V., Hodder R., Miravitlles M., Korducki L., Towse L., Kesten S. Health outcomes following treatment for six months with once daily tiotropium compared with twice daily salmeterol in patients with COPD. Thorax. 2003 May;58(5):399–404. doi: 10.1136/thorax.58.5.399. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Burge P. S., Calverley P. M., Jones P. W., Spencer S., Anderson J. A., Maslen T. K. Randomised, double blind, placebo controlled study of fluticasone propionate in patients with moderate to severe chronic obstructive pulmonary disease: the ISOLDE trial. BMJ. 2000 May 13;320(7245):1297–1303. doi: 10.1136/bmj.320.7245.1297. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Burrows B., Earle R. H. Prediction of survival in patients with chronic airway obstruction. Am Rev Respir Dis. 1969 Jun;99(6):865–871. doi: 10.1164/arrd.1969.99.6.865. [DOI] [PubMed] [Google Scholar]
- Calverley Peter, Pauwels Romain, Vestbo Jørgen, Jones Paul, Pride Neil, Gulsvik Amund, Anderson Julie, Maden Claire, TRial of Inhaled STeroids ANd long-acting beta2 agonists study group Combined salmeterol and fluticasone in the treatment of chronic obstructive pulmonary disease: a randomised controlled trial. Lancet. 2003 Feb 8;361(9356):449–456. doi: 10.1016/S0140-6736(03)12459-2. [DOI] [PubMed] [Google Scholar]
- Celli Bartolome R., Cote Claudia G., Marin Jose M., Casanova Ciro, Montes de Oca Maria, Mendez Reina A., Pinto Plata Victor, Cabral Howard J. The body-mass index, airflow obstruction, dyspnea, and exercise capacity index in chronic obstructive pulmonary disease. N Engl J Med. 2004 Mar 4;350(10):1005–1012. doi: 10.1056/NEJMoa021322. [DOI] [PubMed] [Google Scholar]
- Charlson M. E., Pompei P., Ales K. L., MacKenzie C. R. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis. 1987;40(5):373–383. doi: 10.1016/0021-9681(87)90171-8. [DOI] [PubMed] [Google Scholar]
- Connors A. F., Jr, Dawson N. V., Thomas C., Harrell F. E., Jr, Desbiens N., Fulkerson W. J., Kussin P., Bellamy P., Goldman L., Knaus W. A. Outcomes following acute exacerbation of severe chronic obstructive lung disease. The SUPPORT investigators (Study to Understand Prognoses and Preferences for Outcomes and Risks of Treatments) Am J Respir Crit Care Med. 1996 Oct;154(4 Pt 1):959–967. doi: 10.1164/ajrccm.154.4.8887592. [DOI] [PubMed] [Google Scholar]
- Domingo-Salvany Antònia, Lamarca Rosa, Ferrer Montserrat, Garcia-Aymerich Judith, Alonso Jordi, Félez Miquel, Khalaf Ahmad, Marrades Ramon M., Monsó Eduard, Serra-Batlles Joan. Health-related quality of life and mortality in male patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2002 Sep 1;166(5):680–685. doi: 10.1164/rccm.2112043. [DOI] [PubMed] [Google Scholar]
- Donaldson G. C., Seemungal T. A. R., Bhowmik A., Wedzicha J. A. Relationship between exacerbation frequency and lung function decline in chronic obstructive pulmonary disease. Thorax. 2002 Oct;57(10):847–852. doi: 10.1136/thorax.57.10.847. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Donaldson G. C., Seemungal T. A. R., Patel I. S., Lloyd-Owen S. J., Wilkinson T. M. A., Wedzicha J. A. Longitudinal changes in the nature, severity and frequency of COPD exacerbations. Eur Respir J. 2003 Dec;22(6):931–936. doi: 10.1183/09031936.03.00038303. [DOI] [PubMed] [Google Scholar]
- Fuso L., Incalzi R. A., Pistelli R., Muzzolon R., Valente S., Pagliari G., Gliozzi F., Ciappi G. Predicting mortality of patients hospitalized for acutely exacerbated chronic obstructive pulmonary disease. Am J Med. 1995 Mar;98(3):272–277. doi: 10.1016/s0002-9343(99)80374-x. [DOI] [PubMed] [Google Scholar]
- Groenewegen Karin H., Schols Annemie M. W. J., Wouters Emiel F. M. Mortality and mortality-related factors after hospitalization for acute exacerbation of COPD. Chest. 2003 Aug;124(2):459–467. doi: 10.1378/chest.124.2.459. [DOI] [PubMed] [Google Scholar]
- Hilleman D. E., Dewan N., Malesker M., Friedman M. Pharmacoeconomic evaluation of COPD. Chest. 2000 Nov;118(5):1278–1285. doi: 10.1378/chest.118.5.1278. [DOI] [PubMed] [Google Scholar]
- Kanner R. E., Anthonisen N. R., Connett J. E., Lung Health Study Research Group Lower respiratory illnesses promote FEV(1) decline in current smokers but not ex-smokers with mild chronic obstructive pulmonary disease: results from the lung health study. Am J Respir Crit Care Med. 2001 Aug 1;164(3):358–364. doi: 10.1164/ajrccm.164.3.2010017. [DOI] [PubMed] [Google Scholar]
- Landbo C., Prescott E., Lange P., Vestbo J., Almdal T. P. Prognostic value of nutritional status in chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 1999 Dec;160(6):1856–1861. doi: 10.1164/ajrccm.160.6.9902115. [DOI] [PubMed] [Google Scholar]
- Miravitlles M., Mayordomo C., Artés M., Sánchez-Agudo L., Nicolau F., Segú J. L. Treatment of chronic obstructive pulmonary disease and its exacerbations in general practice. EOLO Group. Estudio Observacional de la Limitación Obstructiva al Flujo aEreo. Respir Med. 1999 Mar;93(3):173–179. doi: 10.1016/s0954-6111(99)90004-5. [DOI] [PubMed] [Google Scholar]
- Murray C. J., Lopez A. D. Mortality by cause for eight regions of the world: Global Burden of Disease Study. Lancet. 1997 May 3;349(9061):1269–1276. doi: 10.1016/S0140-6736(96)07493-4. [DOI] [PubMed] [Google Scholar]
- Nishimura Koichi, Izumi Takateru, Tsukino Mitsuhiro, Oga Toru. Dyspnea is a better predictor of 5-year survival than airway obstruction in patients with COPD. Chest. 2002 May;121(5):1434–1440. doi: 10.1378/chest.121.5.1434. [DOI] [PubMed] [Google Scholar]
- Oga Toru, Nishimura Koichi, Tsukino Mitsuhiro, Sato Susumu, Hajiro Takashi. Analysis of the factors related to mortality in chronic obstructive pulmonary disease: role of exercise capacity and health status. Am J Respir Crit Care Med. 2002 Nov 21;167(4):544–549. doi: 10.1164/rccm.200206-583OC. [DOI] [PubMed] [Google Scholar]
- Oswald-Mammosser M., Weitzenblum E., Quoix E., Moser G., Chaouat A., Charpentier C., Kessler R. Prognostic factors in COPD patients receiving long-term oxygen therapy. Importance of pulmonary artery pressure. Chest. 1995 May;107(5):1193–1198. doi: 10.1378/chest.107.5.1193. [DOI] [PubMed] [Google Scholar]
- Patel I. S., Seemungal T. A. R., Wilks M., Lloyd-Owen S. J., Donaldson G. C., Wedzicha J. A. Relationship between bacterial colonisation and the frequency, character, and severity of COPD exacerbations. Thorax. 2002 Sep;57(9):759–764. doi: 10.1136/thorax.57.9.759. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Roca J., Sanchis J., Agusti-Vidal A., Segarra F., Navajas D., Rodriguez-Roisin R., Casan P., Sans S. Spirometric reference values from a Mediterranean population. Bull Eur Physiopathol Respir. 1986 May-Jun;22(3):217–224. [PubMed] [Google Scholar]
- Scanlon P. D., Connett J. E., Waller L. A., Altose M. D., Bailey W. C., Buist A. S., Tashkin D. P., Lung Health Study Research Group Smoking cessation and lung function in mild-to-moderate chronic obstructive pulmonary disease. The Lung Health Study. Am J Respir Crit Care Med. 2000 Feb;161(2 Pt 1):381–390. doi: 10.1164/ajrccm.161.2.9901044. [DOI] [PubMed] [Google Scholar]
- Seemungal T. A., Donaldson G. C., Paul E. A., Bestall J. C., Jeffries D. J., Wedzicha J. A. Effect of exacerbation on quality of life in patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 1998 May;157(5 Pt 1):1418–1422. doi: 10.1164/ajrccm.157.5.9709032. [DOI] [PubMed] [Google Scholar]
- Seneff M. G., Wagner D. P., Wagner R. P., Zimmerman J. E., Knaus W. A. Hospital and 1-year survival of patients admitted to intensive care units with acute exacerbation of chronic obstructive pulmonary disease. JAMA. 1995 Dec 20;274(23):1852–1857. [PubMed] [Google Scholar]
- Shepherd Frances A., Rodrigues Pereira José, Ciuleanu Tudor, Tan Eng Huat, Hirsh Vera, Thongprasert Sumitra, Campos Daniel, Maoleekoonpiroj Savitree, Smylie Michael, Martins Renato. Erlotinib in previously treated non-small-cell lung cancer. N Engl J Med. 2005 Jul 14;353(2):123–132. doi: 10.1056/NEJMoa050753. [DOI] [PubMed] [Google Scholar]
- Soler J., Sánchez L., Latorre M., Alamar J., Román P., Perpiñ M. Impacto asistencial hospitalario de la EPOC. Peso específico del paciente con EPOC de alto consumo sanitario. Arch Bronconeumol. 2001 Oct;37(9):375–381. doi: 10.1016/s0300-2896(01)78818-7. [DOI] [PubMed] [Google Scholar]
- Soriano J. B., Vestbo J., Pride N. B., Kiri V., Maden C., Maier W. C. Survival in COPD patients after regular use of fluticasone propionate and salmeterol in general practice. Eur Respir J. 2002 Oct;20(4):819–825. doi: 10.1183/09031936.02.00301302. [DOI] [PubMed] [Google Scholar]
- Tan M. J., Tan J. S., Hamor R. H., File T. M., Jr, Breiman R. F. The radiologic manifestations of Legionnaire's disease. The Ohio Community-Based Pneumonia Incidence Study Group. Chest. 2000 Feb;117(2):398–403. doi: 10.1378/chest.117.2.398. [DOI] [PubMed] [Google Scholar]
- Tsao Ming-Sound, Sakurada Akira, Cutz Jean-Claude, Zhu Chang-Qi, Kamel-Reid Suzanne, Squire Jeremy, Lorimer Ian, Zhang Tong, Liu Ni, Daneshmand Manijeh. Erlotinib in lung cancer - molecular and clinical predictors of outcome. N Engl J Med. 2005 Jul 14;353(2):133–144. doi: 10.1056/NEJMoa050736. [DOI] [PubMed] [Google Scholar]
- Vestbo J., TORCH Study Group The TORCH (towards a revolution in COPD health) survival study protocol. Eur Respir J. 2004 Aug;24(2):206–210. doi: 10.1183/09031936.04.00120603. [DOI] [PubMed] [Google Scholar]
- Wilkinson Tom M. A., Patel Irem S., Wilks Mark, Donaldson Gavin C., Wedzicha Jadwiga A. Airway bacterial load and FEV1 decline in patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2003 Jan 24;167(8):1090–1095. doi: 10.1164/rccm.200210-1179OC. [DOI] [PubMed] [Google Scholar]