Relationship of Hippocampal Volumes and Posttraumatic Stress Disorder Symptoms Over Early Posttrauma Periods
作者： Hong Xie , Meredith Claycomb Erwin , Jon D. Elhai , John T. Wall , Marijo B. Tamburrino
DOI: 10.1016/J.BPSC.2017.11.010
关键词:
摘要: Abstract Background Smaller hippocampal volume is associated with more severe posttraumatic stress disorder (PTSD) symptoms years after traumatic experiences. Posttraumatic appear early following trauma, but the relationship between and PTSD symptom severity during posttrauma periods not well understood. It possible that inverse already present soon trauma. To test this possibility, we prospectively examined association volumes of within weeks to months trauma due a motor vehicle collision. Methods Structural magnetic resonance imaging scans 44 survivors were collected about 2 again at 3 collision measure volumes. The Checklist was used evaluate each scan time. Full ( n = 5) or partial 6) evaluated using Clinician-Administered Scale months. Results Left both time points negatively correlated scores, subscores for re-experiencing also hyperarousal Finally, neither left nor right significantly changed posttrauma. Conclusions results suggest small increased risk development. Furthermore, did arise from shifts in
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