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만성 외상 후 스트레스 장애 환자에서 심박변이도와 증상과의 상관관계 : 외상증상과 심박변이도 관계

The Relationship between Heart Rate Variability and Symptoms in Subjects with Chronic Posttraumatic Stress Disorder

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참고문헌

주제분류정신과학

초록

Objective : Heart rate variability (HRV) is known to reflect autonomic nervous system activity. Individualswith posttraumatic stress disorder (PTSD) are reported to have lower HRVs. We attempted to find HRVindices with head up tilt position that reflect the symptoms well in order to evaluate PTSD symptoms. Methods : Sixty-seven patients with PTSD and 72 patients without PTSD were assessed using the PTSDChecklist for DSM-5 (PCL-5), the Beck Depression Inventory, the Beck Anxiety Inventory and the PittsburghSleep Quality Index. HRV was measured in the head-up tilt position. We collected data regardingheart rate (HR), standard deviation of the NN intervals (SDNN), the square root of the mean squared differencesof successive NN intervals (RMSSD), log low-frequency (LNLF) and log high-frequency (LNHF). Results : The value of LNHF was different according to presence or absence of PTSD after head-up tiltposition. In the findings of the association between PTSD symptoms and HRV indices as based on head-uptilt, LNHF had a significant correlation with the total score of PCL-5. Conclusion : The reduction of the high-frequency component of HRVs in the PTSD group might reflectmore PTSD symptoms. (Anxiety and Mood 2020;16(2):83-90)

Abstract

Objective : Heart rate variability (HRV) is known to reflect autonomic nervous system activity. Individualswith posttraumatic stress disorder (PTSD) are reported to have lower HRVs. We attempted to find HRVindices with head up tilt position that reflect the symptoms well in order to evaluate PTSD symptoms. Methods : Sixty-seven patients with PTSD and 72 patients without PTSD were assessed using the PTSDChecklist for DSM-5 (PCL-5), the Beck Depression Inventory, the Beck Anxiety Inventory and the PittsburghSleep Quality Index. HRV was measured in the head-up tilt position. We collected data regardingheart rate (HR), standard deviation of the NN intervals (SDNN), the square root of the mean squared differencesof successive NN intervals (RMSSD), log low-frequency (LNLF) and log high-frequency (LNHF). Results : The value of LNHF was different according to presence or absence of PTSD after head-up tiltposition. In the findings of the association between PTSD symptoms and HRV indices as based on head-uptilt, LNHF had a significant correlation with the total score of PCL-5. Conclusion : The reduction of the high-frequency component of HRVs in the PTSD group might reflectmore PTSD symptoms. (Anxiety and Mood 2020;16(2):83-90)

참고문헌 (44)

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