comparisone of 5day, 3month, 6month and 1year prognosis of treatment of patient with malignant intracranial hypertension by decompressive craniotomy and hinge cranioplasty in Sina hospital in 2016-2017

Inclusion criteria:

patient with diagnosis of malignant intracranial hypertension indicate cerebral decompression despite medical management hemorrhagic and ischemic infarct of internal carotid territory patient with diagnosis of unilateral internal carotid territory intracranial hematoma that indicate surgery without coincidence hematoma E.g Subdural hematoma patient with traumatic unilateral temporal, parietal, frontal subdural hematoma or combination of them in one side even with same side contusion(not need evacuation) with intracranial pressure above 20cmHg or protrusion of brain parenchym out of site of craniectomy

Exclusion criteria:

pregnant women patient died during first day after operation occipital or cerebellar infarction (non internal carotid territory) patient with history of psychosis concomitant lesion e.g Brain tumor concomitant cerebrovascular lesion e.g aneurysm patient without follow up patient with history of neurological disorder that cause neurological deficit multiple cerebrovascular accident or multiple hemorrhagic lesion history of previous cerebrovascular accident bilateral cerebrovascular accident or bilateral hemorrhage concomitant subdural hematoma and intracranial hemorrhage traumatic posterior fossa hematoma intraventricular hemorrhage patient with subdural hematoma and glascow coma scale 3 without brain palsation depressed fracture and patient with dis-usable bone flap patient who underwent temporal lobectomy traumatic injury to thoracic, abdomen, pelvic and their content that need intervention

Target sample size: 28