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The improvement of ventilatory function by spa therapy was examined in 37 patients with steroid-dependent intractable asthma (SDIA) in relation to clinical asthma types. All subjects had been on long-term corticosteroid therapy before spa therapy. Spa therapy was found to improve the values of ventilatory parameters. The percent improvement in all subjects was +4.1% in %FVC, +8.9% in FEV1.0%, +9.8% in %PEFR, +22.0% in %MMF, +19.7% in %V50 and +28.2% in %V25, respectively. Relating to clinical asthma types, moderate improvement in %MMF and %V25 from 16.7% to 16.9% was observed in type Ia cases, and marked increase in %MMF, %V50 and %V25 was observed from 42.2% to 43.2% in type Ib cases. However, no significant increase was found in these parameters of types Ia or Ib after spa therapy. In patients with type II, a significant increase was shown in %V50 (p less than 0.05) and %V25 (p less than 0.01) after spa therapy. The results show that spa therapy improves the condition of small airways disorder in patients with SDIA.
Acta Medica Okayama
Okayama University Medical School
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