Metabolic abnormalities are present in adults with elevated serum cystatin C

Paul Muntner, Suma Vupputuri, Josef Coresh, Jaime Uribarri, Caroline S. Fox

Research output: Contribution to journalArticle

Abstract

Although metabolic anomalies are often seen in advanced chronic kidney disease (CKD), their presence in more mild states is unknown. We studied 6722 participants in the Third National Health and Nutrition Examination Survey, dividing them into three mutually exclusive groups consisting of those having a normal or mildly reduced estimated glomerular filtration rate (eGFR) (Modification of Diet in Renal Disease (MDRD) formula), those with normal or elevated serum cystatin C, and those with clinically relevant moderate or severely reduced eGFR (stage 3 or 4 of CKD). The prevalence of several metabolic abnormalities associated with moderate to advanced CKD was determined after standardization for age, race-ethnicity, and gender. In the absence of stage 3 or 4 CKD, patients with elevated serum cystatin C had a higher prevalence of low hemoglobin and elevated uric acid, homocysteine, phosphorus, fibrinogen, and C-reactive protein than patients with a normal serum cystatin C. Our results show that in adults with normal or mildly reduced eGFR, elevated serum cystatin C is associated with an increased prevalence of metabolic abnormalities traditionally found in moderate or severe CKD. Elevated serum cystatin C may identify patients with 'preclinical' kidney disease not detected by traditional serum creatinine measurements.

Original languageEnglish (US)
Pages (from-to)81-88
Number of pages8
JournalKidney International
Volume76
Issue number1
DOIs
StatePublished - Jul 2009

Fingerprint

Cystatin C
Chronic Renal Insufficiency
Serum
Glomerular Filtration Rate
Diet Therapy
Nutrition Surveys
Kidney Diseases
Homocysteine
Uric Acid
C-Reactive Protein
Fibrinogen
Phosphorus
Creatinine
Hemoglobins
Kidney

Keywords

  • Anemia
  • C-reactive protein
  • Cystatin C
  • Hyperuricemia
  • Kidney disease
  • Metabolic abnormalities

ASJC Scopus subject areas

  • Nephrology

Cite this

Metabolic abnormalities are present in adults with elevated serum cystatin C. / Muntner, Paul; Vupputuri, Suma; Coresh, Josef; Uribarri, Jaime; Fox, Caroline S.

In: Kidney International, Vol. 76, No. 1, 07.2009, p. 81-88.

Research output: Contribution to journalArticle

Muntner, Paul ; Vupputuri, Suma ; Coresh, Josef ; Uribarri, Jaime ; Fox, Caroline S. / Metabolic abnormalities are present in adults with elevated serum cystatin C. In: Kidney International. 2009 ; Vol. 76, No. 1. pp. 81-88.
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