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Prognostic Importan...
Prognostic Importance of Sex-Specific Cardiac Troponin T 99(th) Percentiles in Suspected Acute Coronary Syndrome
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- Eggers, Kai, 1962- (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Bertil Lindahl
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- Jernberg, Tomas (författare)
- Karolinska Institutet
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- Lindahl, Bertil (författare)
- Uppsala universitet,Kardiologi,Uppsala kliniska forskningscentrum (UCR)
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: American Journal of Medicine. - : Elsevier BV. - 0002-9343 .- 1555-7162. ; 129:8
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- ObjectiveCardiac troponin levels differ between the sexes, with higher values commonly seen in men. The use of sex-specific troponin thresholds is, thus, subject of an ongoing debate. We assessed whether sex-specific cardiac troponin T (cTnT) 99th percentiles would improve risk prediction in patients admitted to Swedish coronary care units due to suspected acute coronary syndrome.MethodsIn this retrospective register-based study (48,250 patients), we investigated the prediction of all-cause mortality and the composite of cardiovascular death or nonfatal myocardial infarction within 1 year using the single 99th cTnT percentile (>14 ng/L) or sex-specific cTnT 99th percentiles (>16/9 ng/L).ResultsA total of 1078 men (3.0%) with cTnT 15-16 ng/L and 1854 women (8.4%) with cTnT 10-14 ng/L would have been reclassified regarding their cTnT status by the means of sex-specific 99th percentiles. The prevalence of cardiovascular risk factors and crude event rates increased across higher cTnT strata in both men and women. Multivariable-adjusted Cox models, however, did not demonstrate better risk prediction by sex-specific 99th percentiles. Assessing cTnT as a continuous variable demonstrated an increase in multivariable-adjusted risk starting at levels around 10-12 ng/L in both men and women.ConclusionsWe found no evidence supporting the use of sex-specific cTnT 99th percentiles in men and women admitted because of suspected acute coronary syndrome. This likely depends on sex-specific differences in disease mechanisms associated with small cTnT elevations. From a pragmatic perspective, a single cTnT cutoff slightly below 14 ng/L seems to be preferable as a threshold for medical decision-making.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- Acute coronary syndrome; Cardiac troponin; Cutoff; Risk prediction; Sex
- Kardiologi
- Cardiology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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