Subdural hematomas Incidences and statistics
Motor vehicle crashes are the prominent cause of brain injury and hospitalized cases reported worldwide are over 1,700,000. Acute subdural hematoma is the most common intracranial injury that occurs as a result of motor vehicle crashes linked to high mortality and morbidity rates. The incidence rate is 1.72 per 100,000 population per year and increases with age to almost 7.35 per 100,000 population in elderly individuals, generally it still remains a rare condition but very lethal (Hockenberry 2012).
Many studies have been done to investigate the epidemiology of traumatic brain injury using database such as the National Automotive Sampling System (NASS) and Crash Injury Research and Engineering Network (CIREN). The studies have shown a correlation between amount of subdural hematoma to the total intracranial volume and better prediction of an injury following a motor vehicle accident. This information may be important to neurosurgeons evaluating the patient who has been involved in a motor vehicle crash and it may also help engineers to design countermeasure to tackle such injuries from happening in the future (Akifumi et al. 2011).
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