Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica
Background: Identifying risk factors for long-term mortality in patients with chronic obstructive pulmonary disease (COPD) could improve their clinical management. Aim: To examine the clinical variables associated to long-term mortality in a cohort of COPD patients. Patients and Methods: A clinic...
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Sociedad Médica de Santiago
2018
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oai:scielo:S0034-988720180004004222018-07-03Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónicaSaldías,FernandoGassmann,JavieraCanelo,AlejandroDíaz,Orlando Pulmonary Disease Chronic Obstructive Mortality Prognosis Risk Factors Background: Identifying risk factors for long-term mortality in patients with chronic obstructive pulmonary disease (COPD) could improve their clinical management. Aim: To examine the clinical variables associated to long-term mortality in a cohort of COPD patients. Patients and Methods: A clinical and respiratory functional assessment, chest computed tomography and clinical follow up for five years was carried out in 202 COPD patients aged 66 ± 9 years (59% males), active or former smokers of 10 or more pack-years. Results: Thirty four percent of patients were active smokers, consuming 46 ± 23 packs/year, 86% had comorbidities, especially chronic cardiovascular and metabolic diseases. Forty-six patients died in the five years follow-up (5-year mortality was therefore 22.8%). In the univariate analysis, the main risk factors associated to long-term mortality were an older age, male sex, dyspnea severity, severe exacerbation risk, chronic respiratory failure, magnitude of lung emphysema, airflow obstruction and lung hyperinflation, reduction of thigh muscle cross-sectional area and physical activity limitation. In the multivariate analysis, the three independent risk factors for long-term mortality were dyspnea severity, chronic hypoxemia and exercise limitation measured with the six minutes’ walk test. Conclusions: Systematic clinical assessment allowed to identify the main risk factors associated with long-term mortality in patients with COPD, which could be used in planning preventive and management programs aimed at the high-risk population.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.146 n.4 20182018-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872018000400422es10.4067/s0034-98872018000400422 |
institution |
Scielo Chile |
collection |
Scielo Chile |
language |
Spanish / Castilian |
topic |
Pulmonary Disease Chronic Obstructive Mortality Prognosis Risk Factors |
spellingShingle |
Pulmonary Disease Chronic Obstructive Mortality Prognosis Risk Factors Saldías,Fernando Gassmann,Javiera Canelo,Alejandro Díaz,Orlando Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
description |
Background: Identifying risk factors for long-term mortality in patients with chronic obstructive pulmonary disease (COPD) could improve their clinical management. Aim: To examine the clinical variables associated to long-term mortality in a cohort of COPD patients. Patients and Methods: A clinical and respiratory functional assessment, chest computed tomography and clinical follow up for five years was carried out in 202 COPD patients aged 66 ± 9 years (59% males), active or former smokers of 10 or more pack-years. Results: Thirty four percent of patients were active smokers, consuming 46 ± 23 packs/year, 86% had comorbidities, especially chronic cardiovascular and metabolic diseases. Forty-six patients died in the five years follow-up (5-year mortality was therefore 22.8%). In the univariate analysis, the main risk factors associated to long-term mortality were an older age, male sex, dyspnea severity, severe exacerbation risk, chronic respiratory failure, magnitude of lung emphysema, airflow obstruction and lung hyperinflation, reduction of thigh muscle cross-sectional area and physical activity limitation. In the multivariate analysis, the three independent risk factors for long-term mortality were dyspnea severity, chronic hypoxemia and exercise limitation measured with the six minutes’ walk test. Conclusions: Systematic clinical assessment allowed to identify the main risk factors associated with long-term mortality in patients with COPD, which could be used in planning preventive and management programs aimed at the high-risk population. |
author |
Saldías,Fernando Gassmann,Javiera Canelo,Alejandro Díaz,Orlando |
author_facet |
Saldías,Fernando Gassmann,Javiera Canelo,Alejandro Díaz,Orlando |
author_sort |
Saldías,Fernando |
title |
Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
title_short |
Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
title_full |
Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
title_fullStr |
Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
title_full_unstemmed |
Variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
title_sort |
variables clínicas y funcionales asociadas al riesgo de muerte en el seguimiento a largo plazo en pacientes con enfermedad pulmonar obstructiva crónica |
publisher |
Sociedad Médica de Santiago |
publishDate |
2018 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872018000400422 |
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