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Quantifying proteinuria in hypertensive disorders of pregnancy

Amin, Sapna Vinit and Illipilla, Sireesha and Hebbar, Shripad and Rai, Lavanya and Kumar, Pratap and Pai, Muralidhar V (2014) Quantifying proteinuria in hypertensive disorders of pregnancy. International Journal of Hypertension, 2014. pp. 1-10.

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Abstract

Background. Progressive proteinuria indicates worsening of the condition in hypertensive disorders of pregnancy and hence its quantification guides clinician in decision making and treatment planning. Objective. To evaluate the efficacy of spot dipstick analysis and urinary protein-creatinine ratio (UPCR) in hypertensive disease of pregnancy for predicting 24-hour proteinuria. Subjects and Methods. A total of 102 patients qualifying inclusion criteria were evaluated with preadmission urine dipstick test and UPCR performed on spot voided sample. After admission, the entire 24-hour urine sample was collected and analysed for daily protein excretion. Dipstick estimation and UPCR were compared to the 24-hour results. Results. Seventy-eight patients (76.5%) had significant proteinuria of more than 300mg/24 h. Dipstick method showed 59% sensitivity and 67% specificity for prediction of significant proteinuria. Area under curve for UPCR was 0.89 (95%CI: 0.83 to 0.95, ?? < 0.001) showing 82%sensitivity and 12.5% false positive rate for cutoff value of 0.45. Higher cutoff values (1.46 and 1.83) predicted heavy proteinuria (2 g and 3 g/24 h, resp.). Conclusion. This study suggests that random urinary protein : creatine ratio is a reliable investigation compared to dipstick method to assess proteinuria in hypertensive pregnant women. However, clinical laboratories should standardize the reference values for their setup.

Item Type: Article
Subjects: Medicine > KMC Manipal > Obstetrics & Gynaecology
Depositing User: KMC Manipal
Date Deposited: 16 Sep 2014 10:51
Last Modified: 16 Sep 2014 10:51
URI: http://eprints.manipal.edu/id/eprint/140662

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