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Relation between troponin T concentration and mortality in patients presenting with an acute stroke: observational study
Ist Teil von
BMJ (Online), 2000-06, Vol.320 (7248), p.1502
Auflage
International edition
Ort / Verlag
England: BMJ Publishing Group
Erscheinungsjahr
2000
Quelle
MEDLINE
Beschreibungen/Notizen
To assess whether a raised serum troponin T concentration would be an independent predictor of death in patients with an acute ischaemic stroke.
Observational study.
Auckland Hospital, Auckland, New Zealand.
All 181 patients with an acute ischaemic stroke admitted over nine months in 1997-8, from a total of 8057 patients admitted to the acute medical service.
Blood samples for measuring troponin T concentration were collected 12-72 hours after admission; other variables previously associated with severity of stroke were also recorded and assessed as independent predictors of inpatient mortality.
Troponin T concentration was raised (>0.1 microgram/l) in 17% (30) of patients admitted with an acute ischaemic stroke. Thirty one patients died in hospital (12/30 (40%) patients with a raised troponin T concentration v 19/151 (13%) patients with a normal concentration (relative risk 3.2 (95% confidence 1.7 to 5. 8; P=0.0025)). Of 17 possible predictors of death, assessed in a multivariate stepwise model, only a raised troponin T concentration (P=0.0002), age (P=0.0008), and an altered level of consciousness at presentation (P=0.0074) independently predicted an adverse outcome.
Serum troponin T concentration at hospital admission is a powerful predictor of mortality in patients admitted with an acute ischaemic stroke.