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Effect of an anti-reflux medical device in the control of deflation cough: A placebo-controlled comparative study with an antacid drug in chronic coughers. | LitMetric

AI Article Synopsis

Article Abstract

Background: Deflation cough (DC), i.e. the cough-like expiratory expulsive efforts evoked by maximal lung emptying, is partially inhibited by prior intake of an antacid. We wished to compare the effects of an anti-reflux medical device (Gastrotuss(®)) and of a widely used antacid drug (Maalox(®)) on the number of expiratory thrusts evoked by maximal lung emptying in chronic cough patients.

Methods: Twenty consecutive chronic cough outpatients also presenting DC attended the clinic on three separate occasions and were requested to inhale to near total lung capacity and then exhale maximally for at least 6 s. Trained investigators detected aurally the number of cough efforts evoked by maximal lung emptying prior to and 1, 5, 10, 30 e 60 min after administration of either Maalox(®), or Gastrotuss(®) or placebo. The liking of the administered agents was also rated.

Results: In control conditions, maximal lung emptying was consistently accompanied by the appearance of DC. The number of efforts was unchanged after placebo whereas it was markedly (P < 0.001) reduced 1-10 min following Maalox(®) and Gastrotuss(®) administration. The value of liking for Gastrotuss(®) was greater (P < 0.01) than those of Maalox(®) and placebo.

Conclusions: Pre-treatment with anti-reflux agents with a substantially different composition are equally effective in inhibiting DC. The liking of the two compounds used in the present experiments differed considerably and may be important to improve adherence to treatment in patients undergoing long-term therapy for reflux-related symptoms.

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Source
http://dx.doi.org/10.1016/j.pupt.2015.05.002DOI Listing

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