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. 2003 Aug;5(4):209-16.
doi: 10.1016/S1098-612X(03)00007-X.

Cardiac troponin I in cats with hypertrophic cardiomyopathy

D J Connolly  1 , J Cannata, A Boswood, J Archer, E A Groves, R Neiger
Affiliations

Cardiac troponin I in cats with hypertrophic cardiomyopathy

D J Connolly et al. J Feline Med Surg. 2003 Aug.

Abstract

The molecular structure of cardiac troponin I (cTnI) is highly conserved across mammalian species and assays developed for its measurement in human patients have been validated in a number of veterinary species. A raised concentration of circulating cTnI is a sensitive and specific marker of cardiac myocyte injury. Raised levels have been documented in a variety of cardiac diseases in both human and veterinary patients. This study compared serum cTnI concentrations between 16 cats diagnosed with hypertrophic cardiomyopathy (HCM) using echocardiography and 18 control cats. The results show that cats with HCM have significantly higher concentration of serum cTnI (median 0.95 ng/ml, range 0.2-4.1 ng/ml) than control cats (median <0.2 ng/ml, range <0.2-0.25 ng/ml) [P<0.0001]. Furthermore in cats with cardiomyopathy a weak correlation was found between the thickness of the left ventricular freewall in diastole measured by ultrasound and serum cTnI concentration (r(2)=0.28;P=0.036). These results suggest that measurement of serum cTnI concentration may enable cats with cardiomyopathy to be distinguished from normal cats using the assay described here.

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Figures

Fig 1.
Fig 1.
Correlation with 95% CI between serum troponin and LVFWd in 16 cats with hypertrophic cardiomyopathy.
See this image and copyright information in PMC

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