Mechanism of Syncope in Patients With Heart Disease and Negative Electrophysiologic Test
Population
35 patients with unexplained syncope, structural heart disease, and negative electrophysiologic study
Design
Cohort
Follow-up
3 to 15 months
Authors
Discussion
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Member takes
Implication
Supports conservative management in this population; leaves open randomized confirmation of ILR-guided strategies.
Structured PICO
P
Population
35 patients with unexplained syncope, structural heart disease (previous myocardial infarction or cardiomyopathy with depressed ejection fraction or nonsustained ventricular tachycardia), and negative electrophysiologic study
I
Intervention
Implantable loop recorder
O
Outcome
Mechanism of recurrent syncope and presyncope
In patients with structural heart disease and unexplained syncope with a negative electrophysiologic study, implantable loop recorder monitoring reveals that recurrent syncope is infrequent, rarely due to ventricular tachyarrhythmias, and associated with a benign medium-term prognosis.
Cite This Study
Menozzi et al. (2002) studied this question.