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Titolo:
Ethnic differences in pulmonary function in healthy nonsmoking Asian-Americans and European-Americans
Autore:
Korotzer, B; Ong, S; Hansen, JE;
Indirizzi:
Univ Calif Los Angeles, Harbor Med Ctr, Div Resp & Crit Care Physiol & Med, Torrance, CA 90509 USA Univ Calif Los Angeles Torrance CA USA 90509 Med, Torrance, CA 90509 USA
Titolo Testata:
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
fascicolo: 4, volume: 161, anno: 2000,
pagine: 1101 - 1108
SICI:
1073-449X(200004)161:4<1101:EDIPFI>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
BREATH DIFFUSING-CAPACITY; REFERENCE VALUES; FUNCTION TESTS; LUNG-VOLUMES; ADULTS; GROWTH; SAMPLE; RACE; MEN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Korotzer, B Univ Calif Los Angeles, Harbor Med Ctr, Div Resp & Crit Care Physiol & Med, 1000 W Carson St,Box 405, Torrance, CA 90509 USA Univ Calif Los Angeles 1000 W Carson St,Box 405 Torrance CA USA 90509
Citazione:
B. Korotzer et al., "Ethnic differences in pulmonary function in healthy nonsmoking Asian-Americans and European-Americans", AM J R CRIT, 161(4), 2000, pp. 1101-1108

Abstract

We investigated ethnic differences in spirometry and gas transfer (DLCO) in a young, healthy population of nonsmoking physicians and medical studentsaged 22-33 yr, of European or Asian descent. Each answered questions detailing ethnic background, medical history, level of physical activity, and length of residence in the United States. Spirometry and single-breath DLCO maneuvers were performed in accordance with ATS standards. Venous blood was measured for hemoglobin (Hb). The same equipment was used to test all subjects. Data were analyzed by multiple linear regression. Eighty subjects werestudied, with 20 in each of the following groups: European male, European female, Asian male, and Asian female. Asian values for forced vital capacity, forced expiratory volume in 1 s (FEV1), and alveolar volume (VA') were significantly lower than for Europeans, but DLCO, DLCO/VA', and DLCO/VA'/Hb did not differ significantly. These differences could not be attributed to age, length of residence in the United States, activity level, or variance in baseline characteristics and anthropometric measurements, and therefore represent a true physiologic difference. Ethnic differences between individuals of Asian and European backgrounds should be considered when interpreting pulmonary function tests, especially when predicted values are based on populations of European descent.

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Documento generato il 12/07/20 alle ore 09:42:40