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Saudi Journal of Kidney Diseases and Transplantation
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ORIGINAL ARTICLE Table of Contents   
Year : 2010  |  Volume : 21  |  Issue : 5  |  Page : 903-908
Proteinuria in adult Saudi patients with sickle cell disease is not associated with identifiable risk factors

Department of Medicine, Division of Hematology/Oncology, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia

Correspondence Address:
Aamer Aleem
Associate Professor, Consultant Hematologist Department of Medicine (38) King Khalid University Hospital, P.O. Box 7805, 11472, Riyadh
Saudi Arabia
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PMID: 20814129

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Renal involvement in patients with sickle cell disease (SCD) is associated with signi­ficant morbidity and mortality. Proteinuria is common in patients with SCD and is a risk factor for future development of renal failure. We sought to identify risk factors, if any, associated with pro­teinuria in adult Saudi patients with SCD. We studied 67 patients with SCD followed-up at the King Khalid University Hospital, Riyadh, Saudi Arabia. All patients underwent 24-hour urine collection to measure creatinine clearance and to quantify proteinuria. In addition, blood was examined for evaluation of hematological and biochemical parameters. Clinical information was gathered from review of the patients' charts. A urine protein level of more than 0.150 grams/24 hours was consi­dered abnormal. Urine protein was correlated with various clinical and laboratory parameters. Thirty­one males and 36 females were evaluated. The mean age of the cohort was 23.8 (± 7.2) years. Twenty-seven patients (40.3%) had proteinuria of more than 0.150 grams/24 hours. The study group had a mean hemoglobin level of 8.5 (± 2.8) g/dL and mean fetal hemoglobin (HbF) level of 14.4% (± 7.3%). Majority of the patients (61) had hemoglobin SS genotype and six patients had S-β0 thala­ssemia. None of the parameters evaluated correlated with proteinuria although there was a border­line association with older age and higher systolic blood pressure (P = 0.073 and 0.061 respec­tively). Hydroxyurea use for more than a year was not beneficial. In conclusion, our study suggests that proteinuria in adult Saudi patients is not associated with any clear identifiable risk factors.

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