Key result
Standard beta-blockers show limited efficacy for inappropriate sinus tachycardia with resting rates exceeding 100 bpm.
Population
Patients with Inappropriate Sinus Tachycardia (IST)
Design
Review
Authors
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Captured external expert commentary on this paper, strongest first. Original sources are linked where available.
“One exception is inappropriate sinus tachycardia (IST) for which a more effective drug, ivabradine, is now available in the United States. Catheter ablation is generally ineffective for IST patients.”
“IST can be frustratingly difficult to treat. The mainstays of therapy include negative chronotropic agents such as beta-blockers and calcium channel blockers, often ineffectual at doses high enough to cause intolerable side effects. Medical management frequently requires a prolonged period of trial and error, dose adjustments, and lifestyle changes for the patient.”
Inappropriate sinus tachycardia is a benign but symptomatic syndrome where treatment should be approached cautiously to avoid overtreatment, as medical and invasive therapies often have limited efficacy.
Olshansky et al. (2012) conducted a review in Inappropriate sinus tachycardia. Inappropriate sinus tachycardia is a syndrome characterized by a resting heart rate exceeding 100 beats/min, for which standard therapies like beta-blockers often have limited efficacy.
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