Inspiratory capacity measurement in primary care centers to evaluate bronchoditation response in COPD patients
EUROPEAN RESPIRATORY JOURNAL(2012)
摘要
Spirometry can be considered a key element in the assessment of COPD patients in primary care centers (PCC). The slow maneuver is not a common practice in such environment. Bronchodilator respose (Bd) could be understimated if IC is not evaluated AIM; Assessing the usefulness of the measurement of inspiratory capacity (IC) in the evaluation of response bronchodilator in COPD patients in primary care centers. MATERIAL AND METHODS: Transversal, multicenter, descriptive study performed in eight PCC. 113 COPD patients were included. Spirometries were carried out by eight techniciens who performed a two days training program in the slow maneuver (IC).We considered as acceptable maneuvers a coefficient of variation in the CI lower 10% and 150 ml in two maximum values of 3 with a maximum of eight maneuvers. The slow maneuver was performed prior to the forced manaeuver RESULTS:113 patients, 99 H and 14 M, age 65±9,6 with a FEV1 1476±0, 53 (49% ±14) and FVC 2910 ±0, 85 (72% ±17). Globally we observed an increase post BD of 13% CI, 8.1 FEV1 and 8.3% FVC. In 56% (66/113) of patients the increase was > 250 ml in the IC. Evaluating patients according to severity, severe patients (FEV1 37% ±7.4) BD response was 13.3% CI, 9.1 % FEV1 and 10.7% FVC. In59% (37/60) the increase was > 250 ml in the IC. In the group of not severe patients (FEV1 61% ±7.7) the increase post BD was 10.8% CI, 7.4% FEV1 and 6.8% FVC.49% (24/53) increased >250 ml in the IC CONCLUSIONS: The IC is a parameter that can be obtained in patients studied in primary care and that allows to identify the BD response in COPD patients improving the evaluation of BD response performed by the forced maneuver.
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关键词
Primary care,Spirometry,COPD - diagnosis
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