PubMed · 4665164
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G Haig. 1972. Syme's amputation.. https://doi.org/10.1016/0020-1383(72)90018-6
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There is evidence suggesting that stressful life events may precede major psychiatric illness, such as major depression, and that the severity of a traumatic event outside the range of usual human experience may provoke post-traumatic stress disorder (PTSD). The present study was carried out to examine the effects of pre- and post-disaster stressful life events on the incidence rate of PTSD following two man-made traumatic events. An epidemiological study examining 127 victims of a flash fire in a ballroom and 55 motor vehicle accident (MVA) victims was undertaken. PTSD symptoms were assessed by means of the Composite International Diagnostic Interview and the pre- and post-disaster stressful life events by means of the Diagnostic Interview Schedule, Disaster Supplement. Binary logistic and multiple linear regression analyses were employed to examine the relationships between PTSD and pre- and post-disaster life events. There were no significant relationships between stressful life events the year prior to the traumatic event and the incidence or severity of PTSD. There were highly significant relationships between the cumulative number and event severity of post-disaster negative life events and the incidence rate and severity of PTSD. The post-disaster life events were significantly more related to the avoidance-depression dimension than to the anxiety-arousal dimension of PTSD. The most significant life events were: loss of job or income, broken relationships, serious illnesses or injuries in the victims and death or illness in close acquaintances. The results of this study show that the number and severity of additional stressful life events signal a higher risk to develop PTSD and a higher severity of the avoidance-depression dimension of PTSD symptomatology.
The pelvic girdles of 371 pedestrian victims of road traffic accidents were evaluated during postmortem examinations. Additionally, 144 hip joints were opened. The pelvic injuries were found in 28% of the pedestrians hit exclusively in their upright position and 52% of the victims run over by a vehicle. The side of the body hit by a car was determined on the basis of the location of blood suffusions within the subcutaneous tissues and muscles of lower limbs as well as the character of injuries found in the knee and upper ankle joints. The findings were verified with the data from court records. It was shown that the injuries of the sacroiliac joints or vertical fractures of the posterior parts of iliac bones were useful parameters for determining the side (left or right) of the body hit by a vehicle. Moreover, it was found that a direct impact on the hip region was evidenced by the ipsilaterally localized fractures of the iliac ala, central hip fractures and intraosseous blood suffusions within the greater trochanter of the femur. The external dislocations of the hip joints (always) and bilateral injuries to the sacroiliac joints (usually) were observed in the victims run over by vehicles.
Knee joint injuries were found in 214 out of 357 fatal pedestrian victims of traffic accidents (60%). The cross-sections of tibial and femoral epiphyses revealed bone bruises (due to compression and avulsion) and the percentage of victims with knee injuries increased to 80% (in the group of lateral impacts - 94%). The bone bruises in the central tibial and femoral condyles were observed only in victims hit in an upright position. There was a strong correlation between the side of impact on the extremities in medium sized pedestrians (from the front, back, lateral and medial side) caused by passenger cars and the mechanism of knee injuries (hyperextension, anterior dislocation of the proximal tibial epiphysis in relation to the femoral condyles, valgus and varus flexion). In the cases of very low impacts (e.g. in very tall victims hit by rapidly breaking wedge-shaped cars) or very high impact (e.g. in very short victims or truck hits) the "reversed" complexes of injuries were found (lever principle). These findings showed that knee joint injuries are useful for determining the car-pedestrian location on collision and the type of vehicle (in hit-and-run accidents).