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[Comparing the protein of 2-hour and 24-hour urine samples in patients with suspected preeclampsia]
Journal of Qazvin University of Medical Sciences [The]. 2011; 15 (2): 22-27
em Persa | IMEMR | ID: emr-110438
ABSTRACT
Determining the protein content of a 24-hour urine sample is the gold standard for diagnosis of hypertensive disorders in pregnancy. To determine whether the 2-hour urine protein value can be used as a substitute for the 24-hour urine protein value in patients with preeclampsia. This was a cross sectional study performed on 60 inpatient women with suspected preeclampsia due to positive urinary test strip with minimum protein content of 1[+] and BP >/= 140/90 at Kosar Teaching Hospital in Qazvin [Iran] during autumn and winter 2008. Urine samples were collected within 24 hours in successive periods The first 2-hour and the next 22-hours urine, in separate containers. The protein contents of 2-hour and 24-hour urine samples were calculated and the correlation between both groups was determined using Pearson's correlation. The cut off point for 2-hour urine protein was obtained with ROC curve. Of 60 patients studied, 42 had proteinuria less then 0.3gr/24h and 18 with proteinuria higher than 0.3gr/24h. No patient with severe proteinuria [2gr>24h] was detected. There was a significant correlation between the 2-hour and 24-hour urine protein content in patients' samples. Pearson's correlation coefficient [r] was 0.788 [p=0.000]. The cut off point for mild proteinuria was determined at 0.035gr/2h with sensitivity, specificity, positive predictive value, and negative predictive value of 63.3%, 89.5%, 77.8% and 80.95%, respectively. Total protein values of 2-hour samples positively correlated with values of 24-hour samples of preeclampsia women and therefore can be substituted for assessing the protein content of 24-hour urine samples as a more convenient, faster, and cheaper method for diagnosis of preeclampsia
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Pré-Eclâmpsia / Proteinúria / Gravidez / Estudos Transversais Tipo de estudo: Estudo de prevalência Limite: Feminino / Humanos Idioma: Persa Revista: J. Qazvin Univ. Med. Sci. Ano de publicação: 2011

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Pré-Eclâmpsia / Proteinúria / Gravidez / Estudos Transversais Tipo de estudo: Estudo de prevalência Limite: Feminino / Humanos Idioma: Persa Revista: J. Qazvin Univ. Med. Sci. Ano de publicação: 2011