Discussion:Coefficient de Tiffeneau
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modifierI kindly ask for assistance from esteemed colleagues! I need clarification on the origin of the Tiffeneau index. The original text was published in 1947 in the journal "Paris Med." I believe it is crucial to determine the formula proposed by Tiffeneau and Pinelli as an indicator of bronchial obstruction because, as far as I know, the original Tiffeneau index (Tiffeneau-Pinelli index) is described as FEV1/VC. The formula FEV1/FVC was first proposed by E.A. Haensler in 1950. The answer can be found in the primary source: Tiffeneau R, Pinelli AF. 1947. Air circulant et air captif dans l`explorationde la function ventilatrice pulmonaire. Paris Med, 133:624-8. (https://en.wikipedia.org/wiki/User: Заммед) Zammed (discuter) 20 juin 2023 à 22:27 (CEST)