Creamer Mark, O'Donnell Meaghan L, Pattison Phillipa
Australian Centre for Posttraumatic Mental Health, ARMC Repat Campus, PO Box 5444, Heidelberg, Victoria 3081, Australia.
Behav Res Ther. 2005 Oct;43(10):1383-9. doi: 10.1016/j.brat.2004.11.001.
This study explored the relationship between mild traumatic brain injury (MTBI), amnesia, and posttraumatic stress disorder (PTSD). MTBI status and amnesia for the event were assessed in 307 consecutive admissions to a Level 1 Trauma Center. Amnesia did not always occur concurrently with MTBI: 18% of those with MTBI had full recall and over half had partial recall of the event. Just over 10% of participants developed PTSD by 12 months post-injury, with prevalence comparable across MTBI and non-MTBI groups. Non-significant differences in incidence of PTSD were apparent between those with full recall (9%), partial recall (14%) and no recall (7%). These data highlight the fact that PTSD may develop following trauma despite amnesia for the event, and illustrate the importance in both clinical and research settings of carefully examining the extent of amnesia.
本研究探讨了轻度创伤性脑损伤（MTBI）、失忆与创伤后应激障碍（PTSD）之间的关系。在一家一级创伤中心连续收治的307例患者中评估了MTBI状态及对该事件的失忆情况。失忆并非总是与MTBI同时发生：18%的MTBI患者对事件有完全回忆，超过一半的患者有部分回忆。受伤后12个月时，略多于10%的参与者患上了PTSD，MTBI组和非MTBI组的患病率相当。在完全回忆者（9%）、部分回忆者（14%）和无回忆者（7%）中，PTSD发病率的差异不显著。这些数据凸显了尽管对事件失忆，但创伤后仍可能发生PTSD这一事实，并说明了在临床和研究环境中仔细检查失忆程度的重要性。
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