Neurological complications of eclampsia.
1999
OBJECTIVE: A prospective study was conducted to evaluate the various neurological (clinical, radiological and EEG) complications in patients of eclampsia. METHODS: Thirty nine patients of eclampsia were studied regarding neurological findings at presentation and electroencephalographic (EEG) tracings were recorded in each patient. Patients with an abnormal neurologic examination and/or focal or lateralizing findings on EEG, underwent a CT scan (n = 18). Foetal and maternal outcome were recorded. RESULTS: The age of the patients ranged from 19-30 (mean +/- SD, 24.2 +/- 3.5) years thirty six patients (92%) had seizures in the antenatal period, 2 (5.4%) patients developed post partum eclampsia and 1 (2.6%) patient had seizures before and after delivery. A diffuse encephalopathy was seen in 9 patients (23.1%), 4 patients (10.2%) had hemiparesis and 1 patient (2.6%) had papilledema. EEG abnormalities were seen in 29 cases (74%) and included generalized slowing (n = 19), generalized sharp waves (n = 9), focal slowing (n = 4), focal sharp waves (n = 2) and spikes (generalized and focal) were seen in 1 patient each. Abnormal CT scan was seen in 10 cases (n = 18). Five patients had generalized infarct was seen in 1 patient each. There were 8 (20.5%) still births and 31 (19.5%) live births and no maternal mortality. CONCLUSIONS: Antenatal seizures occur in > 90% cases of eclampsia and less than 10% cases have seizures after delivery. A diffuse encephalopathy is the commonest clinical abnormality along with generalized slowing on EEG. Although cerebral oedema is common focal infarcts may be seen on CT scan.
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