In the period 1972-1978, forty peritoneal dialysis were performed in thirty seven newborn infants. Their weights were comprised between 1,250 and 5,600 gr., being under 2,000 gr. in eight cases. Peritoneal dialysis was considered as a therapeutic method integrated on the whole treatment approche applied to each critically ill newborn. Its indication was due to renal failure in twenty seven cases and to severe water and electrolyte disturbances in ten cases. Except for one newborn infant with a likely lactic acidosis, our aims in setting an adequate blood depuration and maintenacne of the water and electrolye balance were attained. In two cases we could correlate an aggravation of the clinical state with final death to complications partially due to the procedure. Other incidents in relation with peritoneal dialysis were less relevant and did not interfere with the clinical course followd by the patients. In our experience, peritoneal dialysis was a simple and highly useful method in the treatment of neonates with renal failure or severe metabolic disturbances.

Acute Kidney Injury↗

PubMed1980

[Canine brucellosis in Valdivia, Chile. Serological and bacteriological studies of town dogs].

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Agglutination Tests↗

PubMed1979

Whole-blood fibrinolytic activity in normal and hypertensive pregnancies and its relation to the placental concentration of urokinase inhibitor.

Whole-blood fibrinolytic activity was measured in 68 pregnant and 29 nonpregnant women with a sensitive, solid-state assay in which 125I-labeled fibrin was bound to polystyrene tubes. Antepartum fibrinolytic activity in 36 normotensive gravid women [234.5 +/- 29.2 (mean +/- standard error of the mean) ng fibrin lysed/30 min] was significantly (p less than 0.001) greater than that found in 28 nonpregnant normotensive women not taking oral contraceptives (63.61 +/- 7.66 ng fibrin lysed/30 min) and not different from the activity observed during the active phase of labor (198.50 +/- 16.5 ng fibrin lysed/30 min.) Normotensive pregnant patients had a significant (p less than 0.001) increase in whole-blood fibrinolytic activity (341.04 +/- 25.7 ng fibrin lysed/30 min) within the first 24 hours after delivery which persisted in measurements taken the second postpartum day. Fibrinolytic activity values before labor, in the active phase of labor, and in the first and second postpartum days in 17 patients with mild to moderate pregnancy-induced or pregd or pregnancy-aggravated hypertension were not different from those found in the normotensive group. However, patients with severe pregnancy-induced or pregnancy-aggravated hypertension had significantly (p less than 0.01) lower levels of fibrinolytic activity than normotensive patients before labor, during the active phase of labor, and on the first and second postpartum days. The placental 800 X g and 110,000 X g fractions of patients with severe hypertension had a significantly (p less than 0.001) greater capacity to inhibit "in vitro" urokinase-induced fibrinolysis than similar fractions obtained from placentas of normotensive women, and there was a significant inverse correlation (r = 0.61; p less than 0.01) between whole-blood fibrinolytic activity and urokinase inhibition by placental fractions. Our findings indicate that contrary to widely held views, fibrinolysis is extremely active in term pregnancies and during labor and that a derangement of this activity is present in cases of severe pregnancy-induced or pregnancy-aggravated hypertension.

Adolescent↗

PubMed1979