Effect of hemodialysis on traditional and innovative cardiac markers.

Journal of Clinical Laboratory Analysis
Martina MontagnanaGian Cesare Guidi

Abstract

The diagnostic approach to acute coronary syndrome (ACS) is challenging in patients with impaired renal function since most serum biomarkers are commonly increased in this clinical setting. Cardiac troponin T (cTnT), creatine kinase isoenzyme MB (CK MB), myoglobin, and ischemia modified albumin (IMA), were assayed in 45 patients prehemodialysis (pre-HD) and posthemodialysis (post-HD), and results were adjusted for hemoconcentration. The pre-HD values of serum IMA and cTnT were above the respective diagnostic thresholds (IMA<85 K units/L; cTnT <0.03 ng/mL) in six (13%) and 27 (60%) patients undergoing chronic HD, respectively. A significant (105.0 vs. 79.0 K units/L, P<0.0001) and variable (+38%; 95% confidence interval [CI], 12-65%) increase of serum IMA was observed post-HD, whereas the other biomarkers significantly decreased (cTnT: 0.029 vs. 0.044 ng/mL, P=0.016; CK-MB: 2.33 vs. 2.50 microg/L, P<0.0001; myoglobin: 128.1 vs. 148.7 microg/L, P<0.0001). Biomarkers of myocardial injury, especially cTnT and IMA, might be used in HD patients, provided that an appropriate diagnostic interpretation is guarantee, according to individual baseine value, metabolism, and time of sampling. Moreover, IMA might be reliably applied to strati...Continue Reading

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Citations

Apr 13, 2011·Journal of Physiology and Biochemistry·Kazuhiko KotaniAlejandro Gugliucci
Feb 22, 2012·Clinical Biochemistry·Kassiano AlbarelloRafael Noal Moresco
Dec 3, 2011·Injury·Burcin CelikSuleyman Caner Karahan
Mar 31, 2012·The International Journal of Artificial Organs·Idris MehmetogluZeki Tonbul

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