Syncope Risk Scores in Canada IDs ET Postsyncope Monitoring Time

(HealthDay) – The risk of arrhythmia can be quickly identified in patients with syncope presenting to the emergency department, according to a study published online Jan. 21 circulation.

Venkatesh Thiruganasambandamoorthy, MBBS, of the University of Ottawa, Ontario, Canada, and her colleagues conducted a prospective cohort study that included adults presenting in six emergency departments within 24 hours. syncope. A total of 5,581 patients were followed for 30 days for the primary evaluation of serious arrhythmic disorders.

The researchers found that 7.5% of patients had serious disorders and 3.7% of them were arrhythmic. Overall, 73.9%, 19.0% and 7.1% were clbadified as low, medium and high risk, respectively, according to the Canadian syncope risk score (CSIS). CSIS accurately stratified patients at low, medium and high risk, with 0.4, 8.7 and 25.3%, respectively, showing a start-stop result. In low risk patients, half of the arrhythmic results were identified within two hours of the arrival of the emergency services; in medium and high risk patients, half of the arrhythmic results were identified within six hours. After these thresholds, the residual risk was 0.2, 5.0 and 18.1%, respectively, for low, medium and high risk patients. Among the medium and high risk patients, 91.7% of the arrhythmic outcomes, including all ventricular arrhythmias, were identified within 15 days.

"The underlying arrhythmia is most often identified during the first two hours in low-risk CSRS patients, and during the first six hours for high-risk patients in the CSRS," write the authors. authors.

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