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Cardiac troponin I levels in an elderly population from the community - The implications of sex

Eggers, Kai M. (author)
Uppsala universitet,Institutionen för medicinska vetenskaper
Johnston, Nina (author)
Uppsala universitet,Institutionen för medicinska vetenskaper
Lind, Lars (author)
Uppsala universitet,Kardiovaskulär epidemiologi
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Venge, Per (author)
Uppsala universitet,Biokemisk struktur och funktion
Lindahl, Bertil (author)
Uppsala universitet,Uppsala kliniska forskningscentrum (UCR)
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 (creator_code:org_t)
Elsevier BV, 2015
2015
English.
In: Clinical Biochemistry. - : Elsevier BV. - 0009-9120 .- 1873-2933. ; 48:12, s. 751-756
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Objectives: The importance of sex on cardiac troponin levels is increasingly recognized. We investigated whether the entities associated with troponin leakage and the prognostic consequences thereof would differ between elderly men and women from the community. Design and methods: Cardiac troponin I (cTnI) levels were measured using a high-sensitivity assay (Abbott Laboratories) in 70-year old men (n = 502) and women (n = 502) from the PIVUS study. All study participants were followed up for 10 years regarding all-cause mortality and incident cardiovascular (CV) disease. Results: Median cTnI levels were 4.1 and 3.0 ng/L in men and women, respectively (p < 0.001). By multiple linear regression, the relative contribution of lower left-ventricular ejection fraction and ischemic ECG changes to cTnI levels was greater in men compared to women. For other clinical and echocardiographic variables, similar associations were found. cTnI independently predicted all-cause mortality in men (n = 93 [18.5%]; hazard ratio [HR] 1.38 [1.12-1.70]) and women (n = 62 [12.4%]; HR 1.59 [1.11-2.28]) but not incident CV disease in subjects being CV healthy at baseline (n = 163/857). The interaction terms of sex on the associations of cTnI with both outcomes were non-significant. Sex-specific cut-offs did not improve prognostication. Variations in the pattern of entities associated with cTnI leakage had no impact on event rates. Conclusions: We found some differences in the entities associated with higher cTnI levels in elderly community-dwelling men and women. However, this did not translate into differences in the associations of cTnI with adverse outcome.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Medicinteknik -- Medicinsk laboratorie- och mätteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Medical Engineering -- Medical Laboratory and Measurements Technologies (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)

Keyword

Cardiac troponin
Sex
Cardiovascular disease
Prognosis

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Eggers, Kai M.
Johnston, Nina
Lind, Lars
Venge, Per
Lindahl, Bertil
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ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
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and Medical Laborato ...
MEDICAL AND HEALTH SCIENCES
MEDICAL AND HEAL ...
and Clinical Medicin ...
and Cardiac and Card ...
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Clinical Biochem ...
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Uppsala University

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