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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Which definition to use when defining airflow obstruction?
Revue des Maladies Respiratoires, Volume 24, No. 3, Year 2007
Notification
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Description
Introduction: There is no clear consensus as to what constitutes an obstructive ventilatory defect (OVD). According to the American Thoracic Society and European Respiratory Society, it is defined as being when the ratio of the forced expiratory volume (FEV1) and the slow expiratory vital capacity (VC) is below the lower limit of normal (LLN). According to the Global initiative for chronic Obstructive Lung Disease and the British Thoracic Society, it is an FEV1/forced expiratory vital capacity (FVC) < 0.70 and an FEV1 < 80%. In addition, in daily practice, the OVD is diagnosed by a "Fixed ratio" FEV1/FVC < 0.70 or < LLN. The aim of this study is to determine, according to the different recommendations, the percentage of subjects having an OVD among them addressed for suspicion of chronic obstructive pulmonary disease. Methods: A medical questionnaire was administered and anthropometric data were collected. The expiratory flows and pulmonary volumes were measured by a body plethysmograph. Results: 121 (81%) subjects among the 150 examined were included. The percentage of subjects having an OVD was 56.1% (FEV1/VC < LLN), 54.1% (FEV1/FVC < 0.70), 48.7% (FEV1/FVC < 0.70 and FEV1 < 80%), and 47.8% (FEV1/FVC < LLN). Conclusion: The prevalence of obstructive ventilatory defect in a population depends on the definition chosen. © 2007 SPLF. Édité par Elsevier Masson SAS.
Authors & Co-Authors
Ben saad, Helmi
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Tunisia, Sousse
Faculty of Medicine Sousse
Ben Attia Saafi, R.
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Rouatbi, Sonia
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Ben Mdella, S.
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Garrouche, Abdelhamid
Tunisia, Sousse
Service de Pneumologie
Zbidi, Abdelkarim
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Hayot, Maurice
France, Montpellier
Hopital Arnaud de Villeneuve
Tabka, Zouhaïr
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Statistics
Citations: 12
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.1016/s0761-8425(07)91064-5
ISSN:
07618425
Study Design
Cross Sectional Study