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[Lipoprotein profile in patients with isolated hyperuricemia]
F J Tinahones1, F J C-Soriguer, A González-Ruiz
1Servicio de Endocrinología, Hospital Regional Carlos Haya, Málaga.
Anales De Medicina Interna (Madrid, Spain : 1984)
|October 1, 1996
Summary
Hyperuricemic patients without hyperlipidemia show normal lipoprotein profiles. Differentiating hyperuricemic patients with or without metabolic issues is crucial for assessing cardiovascular risk.
Area of Science:
- Biochemistry
- Cardiovascular Medicine
- Metabolic Disorders
Background:
- Lipoprotein profile abnormalities are noted in hyperuricemic patients.
- The cause of these abnormalities (hyperuricemia itself or associated hyperlipidemia) remains unclear.
Purpose of the Study:
- To investigate the apolipoprotein profile in hyperuricemic patients without concurrent hyperlipidemia.
- To compare these profiles with a healthy control population.
Main Methods:
- Studied 30 hyperuricemic patients and 26 healthy controls.
- Measured serum levels of uric acid, lipids (cholesterol, triglycerides), apolipoproteins (Apo B, Apo AI, Apo CII, Apo CIII), and creatinine.
- Assessed 24-hour urine samples for uric acid clearance and fractional excretion.
Main Results:
- No significant differences in cholesterol, triglycerides, Apo B, LDL-C, or HDL-C between groups.
- Similar levels of Apo B, Apo AI, and Apo CIII/Apo CII ratio were observed.
- Identified two distinct hyperuricemic patient groups: one with associated hyperlipidemia (metabolic syndrome) and one without.
Conclusions:
- Isolated hyperuricemia, without accompanying hyperlipidemia, does not appear to significantly alter the apolipoprotein profile.
- Distinguishing between hyperuricemic patients with and without metabolic syndrome is vital for accurate cardiovascular risk stratification.
- Cardiovascular risk in hyperuricemia may be amplified by the presence of other metabolic risk factors.