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Anaemia is associated with shorter leucocyte telomere length in patients with chronic heart failure.
- Wong, Liza S M (author)
- Huzen, Jardi (author)
- van der Harst, Pim (author)
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- de Boer, Rudolf A (author)
- Codd, Veryan (author)
- Westenbrink, B Daan (author)
- Benus, Germaine F J D (author)
- Voors, Adriaan A (author)
- van Gilst, Wiek H (author)
- Samani, Nilesh J (author)
- Jaarsma, Tiny (author)
- van Veldhuisen, Dirk J (author)
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- 2010-03-24
- 2010
- English.
- In: European Journal of Heart Failure. - : Wiley. - 1388-9842 .- 1879-0844. ; 12:4, s. 348-53
- Journal article (peer-reviewed)
Abstract
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- AIMS: Anaemia is highly prevalent and associated with poor prognosis in patients with chronic heart failure (CHF). Reduced erythroid proliferation capacity of haematopoietic progenitor cells is associated with reduced telomere length, a marker of cellular ageing. We hypothesize that short telomere length contributes to the susceptibility to develop anaemia in patients with CHF. METHODS AND RESULTS: We studied 875 CHF patients, of whom 254 (29%) fulfilled the WHO criteria of anaemia. Telomere length in DNA from peripheral leucocytes was measured with real-time quantitative polymerase chain reaction. Age, gender, and baseline differences adjusted telomere length was correlated with haemoglobin levels (partial r = 0.130; P = 0.011). One standard deviation shorter telomere length was associated with an increased risk of having anaemia [odds ratio (OR), 1.31; 95% confidence interval (CI), 1.12-1.53; P = 0.001]. This observation was not affected by adjustment for potential confounders (OR, 1.38; 95% CI, 1.05-1.81; P = 0.021 after adjustment for age, gender, erythropoietin levels, renal function, left ventricular ejection fraction, age of CHF onset, blood pressure, history of stroke, diabetes, and B-type natriuretic peptide levels). CONCLUSION: Shorter telomere length increases the odds of having anaemia in CHF patients. This finding supports the hypothesis that cellular ageing in CHF contributes to the susceptibility to develop anaemia.
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