Improvement of left ventricular dysfunction after control of persistent tachycardia

Kugler, John D.; Baisch, Steven D.; Cheatham, John P.; Latson, Larry; Pinsky, William W.; Norberg, William J.; Hofschire, Philip J.

doi:10.1016/s0022-3476(84)80417-5

Cited by 47 publications

(17 citation statements)

References 23 publications

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“…The natural history includes possible progression to tachycardia-induced cardiomyopathy, which is reversible with control of the arrhythmia. [4][5][6] …”

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confidence: 99%

Current Management of Focal Atrial Tachycardia in Children

Kang

Etheridge

Kantoch

et al. 2014

Circ: Arrhythmia and Electrophysiology

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Background— Focal atrial tachycardia (FAT) is an uncommon cause of supraventricular tachycardia in children. Incessant FAT can lead to tachycardia-induced cardiomyopathy. There is limited information regarding the clinical course and management of FAT. This study characterizes current management strategies for FAT in children including the prevalence of spontaneous resolution and the role of catheter ablation. Methods and Results— This is a retrospective chart review of pediatric patients with FAT managed between January 2000 and November 2010 at 10 pediatric centers. There were 249 patients with a median age at diagnosis of 7.2 (95% confidence interval, 5.8–10.4) years. Cardiomyopathy was observed in 28%. Resolution of FAT occurred in 89%, including spontaneous resolution without catheter ablation in 34%. Antiarrhythmic medications were used for initial therapy in 154 patients with control of FAT in 72%. Among first-line medications, β-blockers were the most common (53%) and effective (42%). Catheter ablation was successful in 80% of patients. FAT recurrence was less common with electroanatomic mapping compared with conventional mapping techniques (16% versus 35%; P =0.02). Patients were followed for a median of 2.1 (95% confidence interval, 1.8–2.6) years. Conclusions— FAT is managed successfully in most children. Current approaches are variable. Many patients have control of FAT with medications; however, catheter ablation is used for most patients. Spontaneous resolution is common for young children, emphasizing the role for delayed ablation in this group. Ablation is successful for all ages. Lower recurrence occurs when electroanatomic mapping techniques are used.

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“…The natural history includes possible progression to tachycardia-induced cardiomyopathy, which is reversible with control of the arrhythmia. [4][5][6] …”

mentioning

confidence: 99%

Current Management of Focal Atrial Tachycardia in Children

Kang

Etheridge

Kantoch

et al. 2014

Circ: Arrhythmia and Electrophysiology

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“…More recently, limited treatment success has been reported with class Ic and class III antiarrhythmics (5)(6)(7). The natural history of AET includes possible progression to congestive heart failure (2,4), and it represents one of the few reversible etiologies of cardiomyopathy (4,8,9). Radiofrequency ablation (RFA) of SVT in children has been successful with a low risk of significant complications (10,11), and there is a high short-term success rate for AET arising from a single focus (11,12).…”

mentioning

confidence: 99%

Clinical course of atrial ectopic tachycardia is age-dependent: results and treatment in children <3 or ≥3 years of age

Salerno

Kertesz²,

Friedman³

et al. 2004

Journal of the American College of Cardiology

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Younger children respond to antiarrhythmic therapy and have a high incidence of AET resolution, thus warranting a trial of antiarrhythmic therapy. In children > or =3 years, AET is unlikely to resolve spontaneously, and antiarrhythmic medications are frequently ineffective. Thus, RFA should be considered early in the course of treatment for these children; however, surgical intervention may be necessary.

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“…Following suppression of the atrial tachyarrhythmia with antiarrhythmic therapy and/or RFA, cardiac function normalizes. In pediatric [4,12,14,17] and adult studies [1,5,13,15] of atrial dysrrhythmias clinical improvement (assessed by the NYHA CHF classification) and echocardiographic evidence of recovery of LV systolic dysfunction (assessed by the LVSF) occurred after atrial tachycardia supression. In this study, medical therapy with digitalis and diuretics was initiated, prior to RFA of the atrial tachycardia foci/circuits in all patients, including those initially diagnosed as having viral myocarditis.…”

Section: Discussionmentioning

confidence: 99%

“…Cessation of the arrhythmia by drug therapy [17,19], radiofrequency ablation (RFA) of the tachycardia circuit [4,[12][13][14], or surgical ablation [15] results in the recovery of myocardial function even if the arrhythmia is of long-standing duration. Although SVT-induced DCM is a wellrecognized entity in adults with chronic atrial and ventricular tachycardias [1,5,13,15] as well as in infants [8,9,20], its occurrence in older children and adolescents is rare [4,12,14]. The purpose of this paper is to describe the clinical course of a group of older children and adolescents who presented with DCM secondary to an initially unrecognized non-sinus SVT, reminding the pediatric cardiology community of this reversible cause of DCM.…”

mentioning

confidence: 99%

Reversible Symptomatic Dilated Cardiomyopathy in Older Children and Young Adolescents Due to Primary Non-Sinus Supraventricular Tachyarrhythmias

Horenstein

Saarel

Dick

et al. 2003

Pediatric Cardiology

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Abstract. Dilated cardiomyopathy (DCM) due to a primary supraventricular tachycardia not originating from the sinus node is not frequently seen in older children or adolescents. However, it is important to recognize this entity as a reversible cause of DCM to avoid costly and inappropriate treatments for these patients. We describe 7 patients who presented with DCM. Five were misdiagnosed as having ''sinus'' tachycardia secondary to an idiopathic DCM, and 2 were correctly diagnosed as having DCM secondary to an atrial tachycardia. All underwent electrophysiologic treatment of the tachycardia with remission of the DCM.

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Improvement of left ventricular dysfunction after control of persistent tachycardia

Cited by 47 publications

References 23 publications

Current Management of Focal Atrial Tachycardia in Children

Current Management of Focal Atrial Tachycardia in Children

Clinical course of atrial ectopic tachycardia is age-dependent: results and treatment in children <3 or ≥3 years of age

Reversible Symptomatic Dilated Cardiomyopathy in Older Children and Young Adolescents Due to Primary Non-Sinus Supraventricular Tachyarrhythmias

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