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Captopril and bronchial reactivity.

H Sala1, J Abad, L Juanmiquel

  • 1Servicio de Neumologia, Hospital G. Trias, Badalona (Barcelona), Spain.

Postgraduate Medical Journal
|January 1, 1986
PubMed
Summary
This summary is machine-generated.

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Captopril effectively controlled hypertension in asthma patients without worsening bronchial reactivity. This study suggests captopril is a safe first-line treatment option for hypertensive individuals with asthma.

Area of Science:

  • Cardiology
  • Pulmonology
  • Pharmacology

Background:

  • Asthma and hypertension frequently coexist.
  • ACE inhibitors like captopril are commonly used for hypertension.
  • Concerns exist regarding the potential impact of ACE inhibitors on bronchial reactivity in asthma patients.

Purpose of the Study:

  • To evaluate the effect of captopril on bronchial reactivity in patients with both asthma and hypertension.
  • To assess the safety and efficacy of captopril in this patient population.

Main Methods:

  • A double-blind, randomized crossover study involving 16 asthma and hypertension patients.
  • Patients received increasing doses of captopril or placebo for 4-week periods.
  • Measurements included forced expiratory flow (FEV1) and methacholine dose-response curves (PD20) before and after treatment.

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Main Results:

  • Captopril effectively controlled hypertension in all patients (P < 0.05).
  • No significant changes were observed in FEV1 or PD20, indicating no adverse effect on bronchial reactivity.
  • No adverse events related to bronchial reactivity were reported.

Conclusions:

  • Captopril can be safely administered to patients with asthma and hypertension.
  • It effectively manages hypertension without negatively impacting asthma control or bronchial reactivity.
  • Captopril represents a viable first-step treatment for hypertensive asthma patients.