Prognostication in SDH

Q: All of the following are prognostic factors in Sub-Dural Hematoma (SDH) except?

A) Age
B) Glasgow coma scale (GCS)
C) Clot thickness ≥10 mm
D) Midline shift ≥ 10 mm
E) Reduced patency of the basal cisterns


Answer: D

Age more than 50 become a prognostic factor in SDH as well as GCS score <7. On CT scan, Clot thickness ≥10 mm, midline shift ≥ 5 mm and reduced patency of the basal cisterns have been described as prognostic factors in SDH.

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References:

1. Hatashita S, Koga N, Hosaka Y, Takagi S. Acute subdural hematoma: severity of injury, surgical intervention, and mortality. Neurol Med Chir (Tokyo) 1993; 33:13.

2. Servadei F, Nasi MT, Giuliani G, et al. CT prognostic factors in acute subdural haematomas: the value of the 'worst' CT scan. Br J Neurosurg 2000; 14:110.

3. Howard MA 3rd, Gross AS, Dacey RG Jr, Winn HR. Acute subdural hematomas: an age-dependent clinical entity. J Neurosurg 1989; 71:858. .