Key result
Posttraumatic stress disorder in Vietnam combat veterans was associated with significantly higher 24-hour heart rate (80.8 vs. 71.9 bpm) and diastolic blood pressure (80.1 vs. 71.5 mm Hg).
Why the study?
Does posttraumatic stress disorder increase 24-hour ambulatory blood pressure and heart rate in Vietnam combat veterans?
Cross-Sectional (n=18)
Does posttraumatic stress disorder increase 24-hour ambulatory blood pressure and heart rate in Vietnam combat veterans?
Absolute Event Rate: 80.8% vs 71.9%
Combat-related PTSD is associated with increased chronic cardiovascular arousal, as evidenced by higher 24-hour heart rate and diastolic blood pressure.
Suggests CV risk assessment in PTSD veterans; leaves open causality and prospective outcome trials.
This study examined the cardiovascular correlates of posttraumatic stress disorder (PTSD) in Vietnam combat veterans using 24-hr ambulatory blood pressure and heart rate monitoring. Veterans with PTSD (n = 11) exhibited significantly higher heart rate and diastolic blood pressure across the 24 hr than veterans without PTSD (n = 7) (80.8 vs. 71.9 bpm, and 80.1 vs. 71.5 mm Hg, respectively). Heart rate during sleep was also significantly higher among veterans with PTSD, compared to veterans without PTSD (71.0 vs. 62.7 bpm). These results, based on a more naturalistic measurement methodology used outside the laboratory, support an association between PTSD and increased chronic cardiovascular arousal.
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Muraoka et al. (1998) conducted a cross-sectional in Posttraumatic stress disorder (PTSD) (n=18). Posttraumatic stress disorder (PTSD) vs. Veterans without PTSD was evaluated on 24-hour heart rate (bpm). Posttraumatic stress disorder in Vietnam combat veterans was associated with significantly higher 24-hour heart rate (80.8 vs. 71.9 bpm) and diastolic blood pressure (80.1 vs. 71.5 mm Hg).
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