In-phase Chest Wall Vibration Decreases Dyspnea During Arm Elevation in Chronic Obstructive Pulmonary Disease Patients.

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  • NAKAYAMA Hideaki
    The Second Department of Physiology, Showa University School of Medicine The Department of Medicine (II), Niigata University School of Medicine
  • SHIBUYA Masato
    The Second Department of Physiology, Showa University School of Medicine
  • YAMADA Minehiko
    The Second Department of Physiology, Showa University School of Medicine The Department of Respiratory Medicine, Showa University Fujigaoka Hospital
  • SUZUKI Hajime
    The Department of Respiratory Medicine, Showa University Fujigaoka Hospital
  • ARAKAWA Masaaki
    The Department of Medicine (II), Niigata University School of Medicine
  • HOMMA Ikuo
    The Second Department of Physiology, Showa University School of Medicine

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  • In-phase Chest Wall Vibration Decreases

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Abstract

In-phase chest wall vibration (IPV) is known to decrease dyspnea in patients with chronic obstructive pulmonary disease (COPD) at rest and during leg exercise. In the present study, the effects of IPV (100 Hz) on dyspnea and arm fatigue during upper extremity activity were studied in 9 patients with COPD (mean FEV1; 0.95 l). Dyspnea and arm fatigue (modified Borg scale) and ventilatory variables were measured during arm elevation (AE) with weights lifted straight above the head with and without IPV. Mean dyspnea during AE was 3.3 without IPV and 2.1 with IPV (p<0.05), but, arm fatigue, oxygen saturation and end-tidal Fco2 were not affected by IPV. Minute ventilation during AE was significantly increased with IPV in 5 of 9 patients. The results suggest that IPV decreases dyspnea during AE.<br>(Internal Medicine 37: 831-835, 1998)

Journal

  • Internal Medicine

    Internal Medicine 37 (10), 831-835, 1998

    The Japanese Society of Internal Medicine

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