Prognostic value of acetylcholine challenge test: a prospective study.

Prognostic value of acetylcholine challenge test: a prospective study. Research Abstract Details 

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Prognostic value of acetylcholine challenge test: a prospective study. Abstract Text:

Eleven hundred and nine iron mine workers aged 35 to 55 with normal chest radiographs were submitted to a pulmonary examination consisting of a questionnaire, a clinical examination, and pulmonary function testing including an acetylcholine challenge test. A positive response (decrease of FEV1 of more than 10%) was observed in 210 subjects (Ace+). The remaining 899 had a negative response (Ace-). Bronchitis, asthma, dyspnoea, and obstructive syndrome were more frequent in the Ace+ group. Five years later, 820 subjects were reexamined: occasional cough and sputum and chronic bronchitis appeared more frequently among subjects without symptoms at the first examination but with a positive acetylcholine challenge test. The obstructive syndrome was more often observed and regressed more rarely in the Ace+ group. The results confirm the use of a test of bronchial hyperreactivity as a means of identifying subjects at risk from chronic obstructive lung disease.

Prognostic value of acetylcholine challenge test: a prospective study. Publishing Authors By Initials

For similar respiratory tract diseases research abstracts see: respiratory tract diseases research

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Prognostic value of acetylcholine challenge test: a prospective study. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: British journal of industrial medicine

VOLUME: 41

Page Numbers: 267-71

Journal Abbreviation: Br J Ind Med

ISSN: 0007-1072

DAY: 28

MONTH: May

YEAR: 1984

Prognostic value of acetylcholine challenge test: a prospective study. Information

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LANGUAGE: eng

NlmUniqueID: 370637

Prognostic value of acetylcholine challenge test: a prospective study. Keywords Mesh Terms:

KEYWORDS: Respiratory Tract Diseases

MESH TERMS: diagnosis

Chemical & Substance for Abstract: Prognostic value of acetylcholine challenge test: a prospective study. Information

Substance Name: Iron

Registry Number: 7439-89-6

Grant and Affiliation Information for Prognostic value of acetylcholine challenge test: a prospective study.

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Country: ENGLAND

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MEDLINETA: Br J Ind Med

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