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Platelet count and liver function tests in proteinuric and chronic hypertension in pregnancy
Abstract
Platelet counts and plasma enzyme estimations were performed in 207 pregnant patients with proteinuric hypertension and in 60 patients with chronic hypertension. Patients with abruptio placentae were excluded. In the proteinuric hypertensive patients a low platelet count « 150000/mm3 ) was found in 63 (30%) and elevated transaminase levels in 50 (24%) and both abnormalities were present in 47 patients (23%). The serum lactate dehydrogenase (LDH) value was mildly elevated in most proteinuric hypertensive women, but a markedly elevated LDH level ( > 400 IU/I) was usually associated with other evidence of liver necrosis. Raised plasma alkaline phosphatase and -y-glutamyhransferase levels were not related to the occurrence or severity of liver necrosis. In proteinuric hypertensive patients a low platelet count or elevated transaminase level was associated with deteriorating renal function, increased maternal morbidity, increased incidence of low-birth-weight babies and a raised perinatal mortality rate (149/1 000). In patients with chronic hypertension, 1 had a low platelet count but none had elevated transaminase, LDH or other enzyme levels and there was no recorded perinatal mortality.
