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The Effect of a Complex Breathing Training Program on Pulmonary Function and Respiratory Muscle Strength in Patients with Parkinson's Disease

  • Journal of the Korean Society of Physical Medicine
  • Abbr : J Korean Soc Phys Med
  • 2025, 20(2), pp.127~139
  • Publisher : The Korean Society of Physical Medicine
  • Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy
  • Received : April 7, 2025
  • Accepted : May 16, 2025
  • Published : May 31, 2025

Dong-Yeon Kang 1

1가야대학교

Accredited

ABSTRACT

PURPOSE: This study sought to identify the effects of a complex breathing training program on pulmonary function and respiratory muscle strength in patients with mild-to-moderate Parkinson's disease (PD). METHODS: Twenty-one subjects from the PD center at D Hospital in the Busan metropolitan area of the Republic of Korea volunteered to participate in the study. The clinical and demographic parameters, including age, sex, symptom duration, and the modified Hoehn and Yahr (H&Y) stage, were collected. The subjects had stage Ⅱ or Ⅲ PD, based on the modified H&Y staging. They were evaluated according to the movement disorder society sponsored version of the unified Parkinson's disease rating scale (MDS-UPDRS) and given the following testing for pulmonary function: Forced vital capacity (FVC [L]), forced expiratory volume in one second (FEV1 [L]), FEV1/FVC (%), peak expiratory flow (PEF [L]), expiratory reserve volume (ERV [L]), maximal inspiratory pressure (MIP [cmH2O]), and maximal expiratory pressure (MEP [cmH2O]). Eleven participants (9 males and 2 females; mean age 69.6 yrs) were part of the complex breathing training for 12 weeks: breathing background education for 2 weeks, re-breathing training education for 4 weeks, and resistance inspiratory muscle training, which is a combination of a device (Powerbreathe® MEDIC IMT) exercise and a conventional thorax exercise, for 6 weeks. Ten participants (males) served as controls and did not participate in the training. SPSS 21.0 was used to analyze the collected data. RESULTS: The complex breathing training group showed significant improvement (p < .05) in PEF [L], MIP [cmH2O], and MEP [cmH2O] after 12 weeks, while the control group showed no significant differences (p < .05) in any parameter. There were no significant differences (p < .05) in all the items between the groups. CONCLUSION: These findings suggested that a complex breathing training program may improve cough capacity and respiratory muscle performance in patients with mild-to- moderate PD.

Citation status

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