Characteristics of heart rate variability in war veterans with post-traumatic stress disorder after myocardial infarction.
| Autor: | Lakusic N; Department of Cardiology, Hospital for Medical Rehabilitation, Krapinske Toplice, HR-49217, Croatia., Fuckar K, Mahovic D, Cerovec D, Majsec M, Stancin N |
|---|---|
| Jazyk: | angličtina |
| Zdroj: | Military medicine [Mil Med] 2007 Nov; Vol. 172 (11), pp. 1190-3. |
| DOI: | 10.7205/milmed.172.11.1190 |
| Abstrakt: | Objective: The goal of the study was to evaluate differences in heart rate variability (HRV) among post-myocardial infarction (MI) patients, depending on their participation in the Croatian war and on established diagnoses of post-traumatic stress disorder (PTSD). Methods: The study included 34 male war veterans with diagnosed PTSD who had suffered a first MI and 34 age-matched post-MI patients without PTSD. Cardiac autonomic balance was evaluated through HRV analysis. Results: There were no differences in the mean R-R interval or overall HRV between the analyzed groups. Post-MI patients with PTSD had lower values for the square root of the mean of squared successive differences in R-R intervals (p = 0.02), the percentage of R-R intervals that were > or =50 milliseconds different from the previous interval (p = 0.03), and the high-frequency component (p = 0.03) but had higher values for the low-frequency component (p = 0.01) and the low-frequency/high-frequency ratio (p = 0.02), compared with post-MI patients without PTSD. Conclusion: Post-MI patients with PTSD have higher sympathetic and lower parasympathetic heart rate modulation activity, compared with patients with MI and no PTSD. |
| Databáze: | MEDLINE |
| Externí odkaz: |
|