| ORIGINAL ARTICLE |
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| Year : 2022 | Volume
: 17
| Issue : 4 | Page : 193-198 |
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Incidence and profile of severe exacerbations of chronic obstructive pulmonary disease due to biomass smoke or tobacco
Rafael Golpe, Nagore Blanco-Cid, David Dacal-Rivas, Irene Martín-Robles, Iria Veiga, Indhira Guzmán-Peralta, Olalla Castro-Añón, Luis A Pérez-de-Llano
Pneumology Service, University Hospital Lucus Augusti, Lugo, Spain
Correspondence Address:
Dr. Rafael Golpe
Servicio de Neumología, Unidad Administrativa 4-A, Hospital Universitario Lucus Augusti, C/Dr Ulises Romero, 1. 27002 Lugo
Spain
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/atm.atm_155_22
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INTRODUCTION AND OBJECTIVES: Stable chronic obstructive pulmonary disease (COPD) caused by biomass smoke (B-COPD) has some differences from tobacco-induced-COPD (T-COPD), but acute exacerbations (AECOPD) have not been well characterized in B-COPD.
OBJECTIVE: To compare the incidence, characteristics and outcomes of AECOPD in B-COPD with those of T-COPD.
METHODS: A retrospective observational study that included consecutive patients seen at a specialized COPD clinic (2008–2021). The incidence of severe AECOPD that required hospital admission was studied. For the first AECOPD, the following variables were recorded: fever, coexistence of pneumonia, purulent sputum, eosinophil count, neutrophil to lymphocyte ratio, hypercapnia, and respiratory acidosis. Outcome variables were intensive care unit (ICU) admission, length of hospital stay, and mortality within 1 month of hospital admission.
RESULTS: Of 1060 subjects, 195 (18.4%) belonged to the B-COPD group and 865 (81.6%) to the T-COPD group. During a follow-up of 67.9 (37.8–98.8) months, 75 (38.4%) patients in the B-COPD group and 319 (36.8%) in the T-COPD group suffered at least one severe AECOPD. The only difference between groups was in a higher risk of ICU admission for the T-COPD group. The incidence, characteristics, and the rest of the outcomes of AECOPD were similar for both groups.
CONCLUSION: AECOPD are similar events for B-COPD and T-COPD and should be managed similarly.
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