Assessment of Modes of Injury and Outcome in Patients with Traumatic Posterior Fossa Extradural Hematomas: A Study of a Tertiary Care Hospital
Objective: The aim of study to assess the prevalence of divergent modes of injuries in traumatic posterior fossa extradural hematomas (PFEDH) along with the description of surgical and clinical management.
Material and Methods: A descriptive study was performed at the Jinnah Postgraduate Medical Centre (JPMC), Karachi from May 2014 to October 2020. Total 37 patients who presented with posterior hematoma of any age and gender were included. CT scan Brain plain with the bone window was performed for a basic diagnosis to assess the volume, and any associated fracture, or any injury in the posterior fossa. The outcome was calculated from the scores of the Glasgow Coma Scale (GCS).
Results: 70% were male and around 30% were female patients. The mean calculated age was 32 ± 5.33 years. A road traffic trauma was the major cause of brain injury in 25 (67.56%) cases. The majority (56.75%) of patients reported headache, nausea and vomiting. 35% of patients were conservatively managed, with an average hematoma size of 3 cm on CT scan and GCS > 12 while 64.86% patients were operated, with the average size of hematoma > 3 cm and GCS < 10 while 61% of the patient had an occipital fracture. The majority of patients (8.1%) reported complications such as brain contusions and post-traumatic hydrocephalus.
Conclusion: Post fossa EDH should be managed aggressively, especially those with low GCS (< 8), and volume > 3 cm. Patients who are to be managed conservatively also require close observation.
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