PubMed · 13953626
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G HELLSTROM. 1963. [Windshield injuries].. https://pubmed.ncbi.nlm.nih.gov/13953626/
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Results from the studies discussed in this article suggest that alcohol (EtOH) intoxication is a major public health problem. While the effects of injury and EtOH intoxication independent of each other have been studied in detail, only few studies have evaluated the effect of a combined insult of EtOH intoxication and burn injury on host defense. An analysis of the studies conducted in the clinical setting suggests that intoxicated patients require frequent intubations, experience delayed wound healing and longer hospital stay. Furthermore, there is a greater risk of mortality in these patients compared to those who sustained injuries in the absence of EtOH intoxication. On the other hand, there are a few studies that do not support this notion. The results obtained in experimental models clearly suggest that acute EtOH intoxication before burn injury impairs host defense and increases susceptibility to infection. Additionally, experimental data from our laboratory also indicate that EtOH intoxication before burn injury suppresses intestinal immune defense, impairs gut barrier functions and increases bacterial growth. This results in increased bacterial translocation in EtOH and burn injury. In addition, a decrease in cardiac function is also reported following a combined insult of EtOH intoxication and burn injury. Altogether, these findings suggest that EtOH intoxication before burn injury diminishes host resistance resulting in increased susceptibility to infection. Moreover, the findings of a higher incidence of infectious complications in burn and trauma patients who sustained injury in the presence of EtOH compared to those in its absence suggest that EtOH intoxication at the time of injury is a risk factor. Therefore blood EtOH should be monitored in burn/trauma patients at the time of admission in the emergency room.
RATIONALE: Ketamine, an N-methyl-D: -aspartate receptor antagonist, produces transient dissociative and psychotic states in healthy humans that resemble symptoms shown by subjects with acute and chronic posttraumatic stress disorder (PTSD). Since ketamine is widely used as an analgesic and sedative in emergency care, it might be one factor triggering, modulating, or exacerbating PTSD in accident victims when given in the acute trauma phase. OBJECTIVES: The purpose of the present study was to determine whether the peritraumatic administration of ketamine affects acute and sustained PTSD symptoms in accident victims. METHODS: A sample of 56 moderately injured accident victims was screened retrospectively for acute (Peritraumatic Dissociative Experiences Questionnaire; Acute Stress Disorder Scale) and for current PTSD symptoms (Impact of Event Scale) approximately 1 year postaccident. All subjects had received a single or fractionated dose of either racemic ketamine (n = 17), (S)-ketamine (n = 12), or opioids (n = 27) during emergency ambulance transportation. RESULTS: Retrospectively assessed acute symptomatology was strongly increased in (S)-ketamine subjects in terms of dissociation, reexperiencing, and avoidance, and slightly heightened in racemic ketamines. Current PTSD symptoms were substantially elevated in (S)-ketamine subjects, while there was no difference observed between opioids and racemic ketamines. Medication groups did not differ in regard to demographic variables, previous or postaccidental traumatic events, time between accident and investigation, and injury severity. CONCLUSIONS: The data provide first evidence for a modulating effect of a single-dose ketamine on the severity and duration of posttraumatic stress symptoms in accident victims.
There are well documented acute and chronic effects of cannabis use. However, less is known about any effects on safety within the context of work and everyday life. The aim of the study was to examine any association between cannabis use and injuries and accidents. A postal questionnaire survey was conducted among people selected at random from the electoral registers of Cardiff and Merthyr Tydfil. Cannabis use was associated with both minor injuries and accidents, particularly among those with high levels of other associated risk factors. Cannabis use was associated with a significant detrimental impact on safety. It is possible that this is linked to an amplification of other risk factors associated with accidents and injuries. This has potentially wide reaching implications particularly in the context of other work and lifestyle characteristics.