Severe anemia: a risk factor for glomerular injury in sickle cell disease

Approximately 15% to 20% of patients with sickle cell disease have proteinuria. Proteinuria, particularly albuminuria, is the hallmark of glomerular injury. This study examines risk factors for glomerular injury as indicated by urinary albumin excretion (UAE) 30 microgram/minute, directly related to...

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Bibliographic Details
Published in:Journal of the National Medical Association 1995-03, Vol.87 (3), p.209-213
Main Authors: FAULKNER, M, TURNER, E. A, DEUS, J, PHILLIPS, K, WEAVER, C, TAIWO, O, OMITOWOJU, O
Format: Article
Language:English
Subjects:
Adult
Albuminuria - etiology
Albuminuria - physiopathology
Anemia, Sickle Cell - physiopathology
Anemias. Hemoglobinopathies
Biological and medical sciences
Diseases of red blood cells
Female
Glomerulonephritis - diagnosis
Glomerulonephritis - etiology
Hematologic and hematopoietic diseases
Humans
Kidney Function Tests
Male
Medical sciences
Risk Factors
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Summary:Approximately 15% to 20% of patients with sickle cell disease have proteinuria. Proteinuria, particularly albuminuria, is the hallmark of glomerular injury. This study examines risk factors for glomerular injury as indicated by urinary albumin excretion (UAE) 30 microgram/minute, directly related to sickle cell disease. A total of seven patients were enrolled between September 1992 and March 1993. Fasting blood chemistries, complete blood cell count, 24-hour urine for protein and creatinine clearance, and glomerular filtration rate determined by 125 I-iothalamate were obtained for each patient. The results indicated that the lower the hematocrit, the higher the UAE rate. Low hematocrits have served as a protective mechanism in sickle cell disease by reducing blood viscosity and thus decreasing the number of vaso-occlusive crises. However, severe anemia appears to have an indirect adverse effect on the kidney in sickle cell disease.
ISSN:0027-9684
1943-4693