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PubMedDate not supplied

Liver and kidney function tests in normal and pre-eclamptic gestation--a comparison with non-gestational reference values.

OBJECTIVE: To compare liver and kidney function tests in pre-eclampsia and in uncomplicated pregnancy and to relate the results to physiological reference values. DESIGN: Prospective cross sectional study. SETTING: Antenatal clinic and antenatal labour wards, Harare Hospital, Zimbabwe. SUBJECTS: 38 pre-eclamptic and 72 normal women of similar parity, gravida and gestational age. MAIN OUTCOME MEASURES: Serum albumin, total bilirubin, alkaline phosphatase (ALP), aspartate transaminase (AST), alanine transaminase (ALT) and gamma-glutamyl transaminase (GGT) were used as indices of hepatic function. Serum creatinine, urea and uric acid were used to assess renal function. RESULTS: Albumin, bilirubin and ALT did not show any differences between the pre-eclamptic and normotensive pregnant women. The activities of the following enzymes, ALP (p < 0.001), AST (p = 0.001) and GGT (p < 0.01) were significantly elevated in pre-eclamptic women. The renal indices, creatinine, urea and uric acid were significantly raised in pre-eclampsia (p < 0.001). No significant differences were observed in the haematological parameters, haemoglobin (Hb), white blood cell count (WBC), red blood cell count (RBC), mean corpuscular volume (MCV) and platelet count. Almost all the biochemical and haematological parameters were lower in normal pregnancy compared to the physiological reference values used in our maternity unit. CONCLUSION: Liver and kidney function is modified by normal pregnancy. However, the majority of the liver and kidney function tests between pre-eclamptic and normal pregnancy exhibited significant differences. The physiological reference values that are currently in use are different from those of women with uncomplicated pregnancies and may not be entirely suitable for management of pre-eclampsia which has hepatic and renal involvement.

Adolescent↗
PubMed1988

Renin-angiotensin system in dogs following chronic bile-duct ligation. Relation to vascular reactivity.

The pressor response to angiotensin II, blood volume, angiotensin II in arterial blood, renin substrate, renin concentration, renin activity and aldosterone in venous blood, liver function tests, kidney function tests, glucose, sodium, potassium, plasma osmolality and complete blood count were examined before and 1, 2, 3 and 5 weeks after ligation of bile ducts in nine conscious trained dogs. The pressor response to angiotensin II was markedly suppressed after bile-duct ligation, especially at 1-3 weeks postoperation. A maximal decrease in plasma renin substrate, and maximal increases in plasma renin concentration, plasma renin activity and aldosterone were noted at 1 week postoperatively. Plasma angiotensin II levels were elevated at 1 and 5 weeks postoperatively but were near normal 2 weeks postoperatively despite suppression of the angiotensin II pressor response. Endogenous levels did not correlate with suppression of the pressor response to exogenous angiotensin II.

Aldosterone↗
PubMed1982

[A case of the occlusion of the right middle cerebral artery due to congenital anti-thrombin III (AT III) deficiency (author's transl)].

The authors describe and discuss a case of the occlusion of the right middle cerebral artery due to congenital AT III deficiency. The patient, 23 years old, female, was admitted to our service with episodes of convulsive attacks, disturbance of consciousness and left hemiparesis on the fifth postoperative (laparotomy)day. She had been suffering from recurrent thromnbophlebitis of both legs. Right carotid angiogram revealed the occlusion of the trunk of the right middle cerebral artery about 13mm distal to its bifurcation. Routine laboratory findings on admission, including hematological tests, chemical tests of blood, liver function tests, kidney function tests, chest x-ray film and electrocardiogram, were within normal limits except leukocytosis. But examinations of coagulation and fibrinolysis showed decreased AT III activity and increased AT III antigen concentration. When examined her eight family members on the same examination, six individuals were affected with the decreased AT III activity. On about fourth hospital month, her neurological symptoms took a sudden turn for the worse again. But AT III concentrates transfusion and prescription of warfarin led to her striking clinical improvement. Eight cases of cerebral vessel disease due to congenital AT III deficiency were reported in literature. It is now concluded that AT III deficiency should be considered with one of the etiology of cerebral infarction and cerebral sinus thrombosis in young adults.

Adult↗
PubMed1997

A double-blind placebo control trial of dilazep in beta-thalassemia/hemoglobin E patients.

Since the obtained results from the pilot study indicated that dilazep which was a membrane stabilizer would be benefit to treatment and prevention of anemia and chronic leg ulcer in beta-thalassemia/hemoglobin E (beta-thal/HbE) patients, the authors had continued the study in a second phase, ie a double blind placebo control trial. Twenty-seven beta-thal/HbE patients were recruited in the study. Eight patients who suffered from chronic leg ulcer were given dilazep. The rest of patients were given dilazep or placebo according to a randomized table. Hence, 16 patients received dilazep and 11 received placebo. When we compared the number of unit of blood transfusion, hemoglobin level, 2-3 DPG and P50 value between the dilazep and placebo groups using unpaired t-test, we found that there were no statistical differences in any of the parameters. However, when we compared the data within the group using paired t-test, there was statistical decrease in blood requirement after treatment in the dilazep group (p < 0.05). Concerning with the treatment of chronic leg ulcer, 3 in 8 patients were completely healed within 3 months, 4 in 8 patients were improved and 1 in 8 patients was not improved. There were complaints of skin itching and mild epigastric pain in placebo group but the liver function tests, kidney function tests and cardiac enzyme did not significantly change during the medication.

Adult↗