Key result
Tachycardia-induced cardiomyopathy should be suspected in patients with a basic heart rate over 100 bpm or more than 10% daily arrhythmia burden to enable early recognition and treatment.
Why the study?
The mechanisms of tachycardia-induced cardiomyopathy remain unknown, some patients are more prone to LV dysfunction, and optimal identification and treatment strategies require further clinical studies.
Tachycardia-induced cardiomyopathy is a reversible cause of left ventricular dysfunction that should be suspected in patients with a resting heart rate >100 bpm or >10% daily arrhythmia burden.
May prompt rhythm assessment in unexplained LV dysfunction; leaves open predictors of T-CM susceptibility for validation.
<ns3:p>Tachycardia-induced cardiomyopathy (T-CM) is a unique recently recognized pathology leading to left ventricle dysfunction. The risk of developing T-CM depends on persisting high ventricular rates and duration of tachycardia due to supraventricular or ventricular arrhythmias. The mechanisms of T-CM are still unknown and some patients are more likely to develop the LV dysfunction than others. It should be suspected in all the patients with basic heart rate over 100 bpm or more than 10% daily arrhythmia burden. The early recognition and appropriate treatment of the underlying tachycardia enables to reverse the changes completely or partially. Further clinical studies are necessary to find best strategies of identification and treatment of T-CM.</ns3:p>
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Agnieszka Wojdyła‐Hordyńska (2019) conducted a review in Tachycardia-induced cardiomyopathy. Tachycardia-induced cardiomyopathy should be suspected in patients with a basic heart rate over 100 bpm or more than 10% daily arrhythmia burden to enable early recognition and treatment.
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