Document Detail

Pre-symptomatic increase in urine-orosomucoid excretion in pre-eclamptic women.
MedLine Citation:
PMID:  17653877     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Although the pre-eclamptic pathogenesis begins at least around the 18th week of pregnancy, clinically evident disease often does not appear until the third trimester. This long pre-symptomatic latency period has led to intensive research for early markers of evolving disease. We evaluated urine excretion and plasma levels of orosomucoid and albumin longitudinally in healthy and pre-eclamptic pregnancies. Orosomucoid is an acute phase protein involved in inflammation and protection of the endothelium. METHODS: From a prospective, longitudinal cohort study consisting of 1,631 women, 32 women developed pre-eclampsia, and 5 controls for every case of pre-eclampsia were found. Blood samples were collected 4 times and urine samples 6 times from the 18/19th week and throughout pregnancy. Orosomucoid and albumin in plasma were analysed by standard methods, and in urine by sandwich ELISA. RESULTS: Orosomucoid/creatinin excretion ratio was significantly higher early in pre-eclamptic pregnancies (from the 20th week of pregnancy, p=0.0053) compared with healthy pregnancies, the difference increased throughout pregnancy. Albumin/creatinin ratio increased subsequent to the increase in orosomucoid. In the plasma samples, orosomucoid was significantly higher late in pre-eclamptic pregnancies (>or=36th week, p=0.0275). CONCLUSIONS: Pre-eclampsia is associated with a pre-symptomatic increase in the urine excretion of orosomucoid, and orosomucoid excretion precedes that of albumin. Orosomucoid excretion can probably be used as a prognostic tool in combination with other screening methods, and seems to be a more sensitive marker for evolving pre-eclampsia than albumin. Plasma orosomucoid is significantly increased late in pre-eclampsia. Thus, the increased excretion of orosomucoid must primarily originate from altered renal processing of orosomucoid.
Camilla S Kronborg; Jim Allen; Erik Vittinghus; Ulla Breth Knudsen
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta obstetricia et gynecologica Scandinavica     Volume:  86     ISSN:  0001-6349     ISO Abbreviation:  Acta Obstet Gynecol Scand     Publication Date:  2007  
Date Detail:
Created Date:  2007-07-26     Completed Date:  2007-10-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370343     Medline TA:  Acta Obstet Gynecol Scand     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  930-7     Citation Subset:  IM    
Department of Gynecology and Obstetrics, Randers County Hospital, Randers, Denmark.
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MeSH Terms
Biological Markers / blood,  urine
Case-Control Studies
Cohort Studies
Creatinine / blood,  urine
Enzyme-Linked Immunosorbent Assay
Longitudinal Studies
Orosomucoid / urine*
Pre-Eclampsia / blood,  urine*
Predictive Value of Tests
Pregnancy Trimester, Second
Prenatal Diagnosis*
Prospective Studies
Serum Albumin
Reg. No./Substance:
0/Biological Markers; 0/Orosomucoid; 0/Serum Albumin; 60-27-5/Creatinine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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