AI Article Synopsis
- The study investigated cardiac abnormalities and mortality in patients with end stage renal disease (ESRD) who had elevated cardiac troponin T (cTnT) levels.
- The research included 126 renal transplant candidates and found that those with elevated cTnT showed significant left ventricular (LV) dysfunction and a higher incidence of diabetes and dialysis.
- Elevated cTnT levels were linked to increased mortality, but did not correlate with severe coronary artery disease, highlighting the importance of monitoring cTnT in ESRD patients.
Article Abstract
Objectives: To identify in a prospective observational study the cardiac structural and functional abnormalities and mortality in patients with end stage renal disease (ESRD) with a raised cardiac troponin T (cTnT) concentration.
Methods: 126 renal transplant candidates were studied over a two year period. Clinical, biochemical, echocardiographic, coronary angiographic, and dobutamine stress echocardiographic (DSE) data were examined in comparison with cTnT concentrations dichotomised at cut off concentrations of < 0.04 microg/l and < 0.10 microg/l.
Results: Left ventricular (LV) size and filling pressure were significantly raised and LV systolic and diastolic function parameters significantly impaired in patients with raised cTnT, irrespective of the cut off concentration. The proportions of patients with diabetes and on dialysis were higher in both groups with raised cTnT. With a cut off cTnT concentration of 0.04 microg/l but not 0.10 microg/l, significantly more patients had severe coronary artery disease and a positive DSE result. The total ischaemic burden during DSE was similar in cTnT positive and negative patients, irrespective of the cut off concentration used. LV end systolic diameter index and E:Ea ratio were independent predictors of cTnT rises > or = 0.04 microg/l and > or = 0.10 microg/l, respectively. Diabetes was independently associated with cTnT at both cut off concentrations. Mortality was higher in all patients with raised cTnT.
Conclusions: Patients with ESRD with raised cTnT concentrations have increased mortality. Raised concentrations are strongly associated with diabetes, LV dilatation, and impaired LV systolic and diastolic function, but not with severe coronary artery disease.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1860676 | PMC |
| http://dx.doi.org/10.1136/hrt.2005.069666 | DOI Listing |
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