12주간의 유산소 운동이 노인 고혈압 환자의 맥압과 심박수 변이도에 미치는 영향 = The Effects of 12-Weeks Aerobic Exercise in Elder Hypertension Patients on Pulse Pressure and Heart Rate Variability

다국어 초록 (Multilingual Abstract)

[INTRODUCTION] The purpose of this study was to examine the effect of 12 weeks aerobic exercise in elder hypertension patients on pulse pressure and heart rate variability. [METHOD] The subjects of this study consisted of elder hypertension patients(n=15). Subjects were preformed on a bicycle and treadmill walking at HRmax 60%-70% of exercise intensity for 40 minutes. Exercise treatment consisted of 5times per week continuing 12weeks. Heart rate variability analysis were measured for SDNN(standard deviation of all normal RR intervals), high frequency(HF), low frequency(LF), and LF/HF with SA-2000P/2000E Medicore. [RESULT] The systolic blood pressure, diastolic blood pressure, and pulse pressure were significantly decreased in comparing with pre exercise, but SDNN and HF were significantly increased than pre-exercise. LF and LF/HF were significantly decreased after 12weeks exercise treatment than pre-exercise. [CONCLUSION] Aerobic exercise has a positive effects on pulse pressure regulation and an automatic nerve system function in elder hypertension patients.

국문 초록 (Abstract)

[서론] 본 연구는 유산소 운동이 노인 고혈압 환자의 혈관 경직을 반영하는 맥압의 변화와 자율신경 활성 지표인 심박수 변이도에 어떠한 영향을 미치는지를 알아보고자 하였다. [방법] 연구대상은 경계성 또는 고혈압 1기에 해당하는 65세 이상 노인 여성 15명을 대상으로 12주간 주 5회, 유산소 운동을 실시하였다. 유산소 운동은 최대심박수(HRmax)의 60-70% 수준에서 40분간 자전거 타기(20분)와 트레드밀 걷기(20분)를 실시하였다. 운동전과 운동후 수축기와 확장기 혈압, 맥압 측정 및 심박수 변이도 분석기인 SA-2000P/2000E(Medicore, Korea)로 전체 자율신경 반응을 제시하는 SDNN(standard deviation of all normal R-R intervals), 부교감신경 활성 지표인 HF(high frequency), 교감신경 활성 지표인 LF(low frequency) 및 교감신경 조절을 반영하는 지표 LF/HF을 측정하였다. [결과] 12주간 유산소 운동후 비만지표(체중, 체지방율, 허리둘레), 수축기 혈압, 확장기 혈압 및 맥압은 유의하게 감소하였다. 또한 심박수변이도 분석에서 SDNN와 HF는 유의하게 증가하였으며 LF와 LF/HF는 유의하게 감소하였다. [결론] 유산소 운동은 노인 고혈압 환자의 맥압 감소와 심박수변이도에 긍정적인 효과를 나타났다. 이는 유산소 운동이 노인 고혈압 환자의 동맥 혈관 기능 증대 및 교감신경 활성도 감소로 자율신경 기능을 항진시켜 고혈압 관리에 유용한 것으로 생각된다.

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