Hyperthyroidism Clinical Trial
Official title:
Short Term Effects of Propanolol on Heart Rate Variability of Hyperthyroidism
Objective: The aim of our study was to evaluate the short term effects of Propanolol on heart
rate variability in patients with hyperthyroidism.
Design: In ten patients newly diagnosed as having hyperthyroidism and naïve of all treatment
specific for hyperthyroidism, we evaluated the short term effects of Propanolol on heart rate
variability (HRV).
Methods: We measured heart rate variability by power spectral analysis during 2 hours of rest
and during Ewing's tests before and after the administration of Propanolol 40mg/12 hours
orally for 72 hours.
Objective: The aim of our study was to evaluate the short term effects of Propanolol on heart
rate variability in patients with hyperthyroidism.
Design: In ten patients newly diagnosed as having hyperthyroidism and naïve of all treatment
specific for hyperthyroidism, we evaluated the short term effects of Propanolol on heart rate
variability (HRV).
Methods: We measured heart rate variability by power spectral analysis during 2 hours of rest
and during Ewing's tests before and after the administration of Propanolol 40mg/12 hours
orally for 72 hours. Other outcomes included mean heart rate, mean R-R interval during 2-hour
rest.
The study questions the systematic adjunction of Propanolol early in the treatment of
hyperthyroidism.
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