Korean J Obstet Gynecol.  2005 Dec;48(12):2850-2856.

Clinical significance of Urinary protein fractional analysis in Severe preeclampsia

Affiliations
  • 1Department of Obstetrics and Gynecology, Catholic University of Korea. jkljhk@catholic ac.kr
  • 2Department of Medicine, Catholic University of Korea.

Abstract


OBJECTIVE
To determine whether severity of proteinuria or urinary protein fractional analysis correlates with adverse maternal and fetal outcomes in women with severe preeclampsia.
METHODS
Thirty-six women diagnosed of severe preeclampsia from January, 2002 to April, 2003 were studied. The correlation between proteinuria or urinary albumin fraction, and maternal mean arterial pressure, neonatal birth weight, 1 minute apgar score were analyzed statistically. Thirty-six patients were divided into two groups according to the pattern of urinary protein fraction. One group was a selective proteinuria group if the albumin fraction was over 70%, and another was a non-selective proteinuria group if the fraction was below 70%. The maternal and neonatal outcomes were compared between the two groups.
RESULTS
Significant positive correlation was observed between proteinuria and mean arterial pressure, between urinary albumin fraction and neonatal birth weight. Negative correlation was significantly present between proteinuria and neonatal birth weight, 1 minunte apgar score, between proteinuria and albunin fraction. Increased proteinuria, higher mean arterial pressure, higher serum uric acid level, lower creatinine clearance, lower neonatal birth weight, and lower 1 minunte Apgar score were observed in the non-selective proteinuria group than those in the selective proteinuria, although there was no statistical significance.
CONCLUSION
With increasing proteinuria and decreasing albumin fraction, there is increased risk of adverse maternal and fetal outcome. Proteinuria fractional analysis by electrophresis might provide useful information regarding the prediction of pregnancy outcomes.

Keyword

Severe preeclampsia; Urinary protein fraction
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