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Usefulness of inspiratory capacity measurement in COPD patients in the primary care setting
Authors Madueño A, Martin A, Péculo J, Antón E, Paravisini A, León A
Published 30 October 2009 Volume 2009:2 Pages 219—225
DOI https://doi.org/10.2147/IJGM.S4824
Review by Single anonymous peer review
Peer reviewer comments 5
Antonio Madueño1, Antonio Martín2, Juan-Antonio Péculo3, Esther Antón2, Alejandra Paravisini2, Antonio León4
1Specialist in Family and Community Care Medicine, Centro de Salud La Laguna, Cádiz, Spain; 2Medical Department, Pfizer, Madrid, Spain; 3Nurse, Empresa Pública de Emergencias Sanitarias, Cádiz, Spain; 4Section Chief of Pneumology, Puerta del Mar University Hospital, Cádiz, Spain
Objective: To determine if inspiratory capacity (IC) assessment could be useful for chronic obstructive pulmonary disease (COPD) patient management in the primary care setting.
Methods: A descriptive cross-sectional study was conducted in 93 patients diagnosed with COPD according to Spanish Thoracic Society (SEPAR) criteria. Patients were recruited in eight primary care centers in Andalusia, Spain. Anthropometric, sociodemographic, resting lung function (forced expiratory volume in one second [FEV1], forced vital capacity, synchronized vital capacity, IC), and quality of life data based on the Spanish version of Saint George’s Respiratory Questionnaire (SGRQ) were obtained.
Results: Lung function results expressed as percentages of the predicted values were as follows: FEV1, 49.04 (standard deviation [SD]: 16.23); IC, 61.73 (SD: 15.42). The SGRQ mean total score was 47.5 (SD 17.98). The Spearman’s Rho correlation between FEV1 and SGRQ was r = -0.36 (95% confidence interval [CI]: -0.529 to -0.166), between IC and SGRQ was r = -0.329 (95% CI -0.502 to -0.131), and between FEV1 and IC was r = 0.561.
Conclusions: Measurement of IC at rest could be used as a complementary functional exploration to forced spirometry in the monitorization of patients with COPD in the primary care setting. We found a poor correlation between IC and quality of life at the same level as in FEV1.
Keywords: inspiratory capacity, primary care, quality of life, COPD
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