Key result
Head-upright tilt table testing with or without isoproterenol provoked syncope in 64% of elderly patients with recurrent unexplained syncope compared to 0% of controls.
Why the study?
Does head-upright tilt table testing with or without isoproterenol infusion provoke syncope to diagnose vasovagal episodes in elderly patients with recurrent unexplained syncope?
Population
32 elderly subjects, comprising 25 patients with recurrent unexplained syncope and 7 control subjects with…
Comparison
Head-upright tilt table testing for 30 minutes… vs Control subjects with other causes of syncope…
Design
Cohort
Follow-up
mean 24 months
Authors
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May support tilt-table testing to diagnose vasovagal syncope in elderly patients with unexplained syncope; leaves open confirmation in larger prospective studies.
Observational (n=32)
No
Does head-upright tilt table testing with or without isoproterenol infusion provoke syncope to diagnose vasovagal episodes in elderly patients with recurrent unexplained syncope?
Absolute Event Rate: 64% vs 0%
Head-upright tilt table testing combined with isoproterenol infusion is a useful diagnostic tool for identifying vasovagal syncope in elderly patients with recurrent unexplained syncope.
Grubb et al. (1992) conducted an observational in Recurrent unexplained syncope (n=32). Head-upright tilt table testing with or without isoproterenol vs. Controls with other causes of syncope was evaluated on Occurrence of syncope during testing. Head-upright tilt table testing with or without isoproterenol provoked syncope in 64% of elderly patients with recurrent unexplained syncope compared to 0% of controls.
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