Trends and hospital outcomes of lung transplantation among patients with and without chronic obstructive pulmonary disease in Spain: a national population-based study (2001–2015)
Received 27 September 2018
Accepted for publication 31 January 2019
Published 27 March 2019 Volume 2019:14 Pages 729—737
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Cristina Weinberg
Peer reviewer comments 3
Editor who approved publication: Dr Richard Russell
Javier de Miguel-Díez,1 Ana López-de-Andres,2 Valentín Hernández-Barrera,2 José M de Miguel-Yanes,3 Manuel Méndez-Bailón,4 Rodrigo Jiménez-García2
1Respiratory Department, Hospital General Universitario Gregorio Marañón, Facultad de Medicina, Universidad Complutense de Madrid (UCM), Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain; 2Preventive Medicine and Public Health Teaching and Research Unit, Health Sciences Faculty, Rey Juan Carlos University, Alcorcón, Madrid, Spain; 3Internal Medicine Department, Hospital General Universitario Gregorio Marañón, Facultad de Medicina, Universidad Complutense de Madrid (UCM), Madrid, Spain; 4Internal Medicine Department, Hospital Universitario Clínico San Carlos, Facultad de Medicina, Universidad Complutense de Madrid (UCM), Madrid, Spain
Purpose: To describe trends from 2001 to 2015 in incidence and in-hospital outcomes of patients suffering or not suffering from COPD who had undergone lung transplantation (LTx) in Spain.
Methods: We used the Spanish National Hospital Discharge Database to select all admissions for LTx. Incidence was estimated overall and according to the presence of COPD. Outcomes included infections, complications, length of hospital stay and in-hospital mortality (IHM).
Results: We identified 2,896 admissions for LTx. Admission rates rose in COPD sufferers and non-COPD sufferers over time, with higher rates among COPD patients. COPD and non-COPD patients were older, but mean age was higher in COPD patients. Although there was a male predominance among patients, the proportion of women significantly increased over time in the COPD population. COPD patients had lower Charlson Comorbidity Index values than non-COPD patients (score ≥1, 25.83% and 31.6%, P<0.05). We observed a significant increase in infections and complications of LTx or rejection for both groups over time. IHM decreased from 2001 to 2015 in both groups of patients. COPD was a predictor of lower IHM (OR 0.75, 95% CI 0.61–0.93) after LTx.
Conclusion: LTx-incidence rates were higher in COPD patients and increased over the study period in both groups. The proportion of women significantly increased over time among COPD sufferers. IHM decreased from 2001 to 2015 in both groups of patients. COPD was a predictor of lower mortality during admissions for LTx.
Keywords: lung transplantation, COPD, hospital admissions, incidence rates, in-hospital mortality, Spain
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