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Effects of Postural Control Exercise on the Delayed Heart Rate Increase in Heart Transplant Patients -A Case Study-

자세 조절 운동이 심장이식환자의 심박수 상승지연에 미치는 영향 -단일사례연구-

  • Choi, Su-Hong (Department of Physical Therapy, College of Science, Kyungsung University) ;
  • Lee, Sang-Yeol (Department of Rehabilitation Medicine, Pusan National University Hospital)
  • 최수홍 (부산대학교병원 재활의학과) ;
  • 이상열 (경성대학교 물리치료학과)
  • Received : 2018.04.02
  • Accepted : 2018.06.15
  • Published : 2018.08.31

Abstract

Purpose: This study aimed to investigate the effects of postural control exercise on the delayed heart rate increase in heart transplant patients. Methods: The subject was a female heart transplant recipient who had a delayed increase in heart rate during exercise. The intensity of exercise was performed at MBorg level 4. The A-B-A' and A-B-A'-B' designs were used to identify the changes in heart rate during active-assisted exercise, lower limb postural control exercise, and upper limb postural control exercise. Experiments were performed for four weeks. The heart rates at pre- and post-exercise were compared, and the time to reach MBorg 4 was measured. Results: In the active-assisted exercise, the average heart rates at pre- and post-exercise and after 10 min of exercise were 88, 89, and 87.7 bpm, respectively. In the repetitive comparison of pre- and post-exercise in the lower limb postural control exercise, the difference in the mean heart rate was 3.5 and 3 bpm in stable support and 14 and 14.5 bpm in unstable support, respectively. In the repetitive comparison of pre- and post-exercise in the upper limb postural control exercise, the difference in the mean heart rate was 6 and 4 bpm in stable support and 4 and 4.5 bpm in unstable support. The time required to reach MBorg 4 was short when both the upper and lower postural control exercises were performed in an unstable state. Conclusion: We suggest that combining proper postural control exercise with strength exercise and aerobic exercise, among others, may be effective in rehabilitating patients in the recovery stage after a heart transplant.

Acknowledgement

Supported by : Kyungsung University

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