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Management of Junctional Rhythm in Patients After the Fontan Operation: A Multicenter Congenital Cardiology Survey

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Abstract

Sinus node dysfunction with concomitant junctional rhythm (JR) is frequently observed among Fontan patients and has been recognized as a contributor to heart failure. The impact and management of JR is unclear. A survey was mailed to all members of the Pediatric and Congenital Electrophysiology society (PACES) and members were asked to forward the questionnaire to their non-electrophysiology colleagues. Responses were received from 154 physicians (88 electrophysiologists (EP’s) and 66 non-EP’s (46 pediatric cardiologists and 20 adult congenital cardiologists). There were few differences in the response between EP’s and non-EP’s. Overall, 57% recommended an annual ambulatory ECG (AECG). A significant majority (80%) opted to continue to follow patients with significant periods of JR on AECG as long as the patients were asymptomatic, and showed no echocardiographic signs of cardiac decompensation. However, 84% would place a pacemaker in a patient with JR who was having open chest surgery for other reasons. Finally, pacemaker placement would be performed by 91% if a patient with JR showed signs of heart failure. Most congenital cardiologists would not recommend pacemaker placement in asymptomatic Fontan patients with JR. Further studies are needed on the Fontan population to determine the impact of SND and JR on longer term outcomes and to determine the role and optimal timing of pacemaker placement in these patients.

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Acknowledgements

We thank Ms. Hannah Holiman for secretarial help with the study.

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Authors and Affiliations

  1. Division of Cardiology, Department of Pediatrics, Oregon Health & Science University, 707, SW Gaines Street, Mailcode: CDRC-P, Portland, OR, 97239, USA

    Seshadri Balaji & Patrick D. Evers

  2. Division of Cardiology, Department of Pediatrics, University of California, Irvine, CA, USA

    Anjan S. Batra

  3. Division of Cardiology, Department of Pediatrics, University of California, Los Angeles, CA, USA

    Jeremy Moore

  4. Ahmanson/UCLA Adult Congenital Heart Disease Program, University of California, Los Angeles, CA, USA

    Jeremy Moore

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  1. Seshadri Balaji
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  4. Jeremy Moore
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Contributions

SB: Conceived the study, performed the study, wrote the manuscript. PE: Performed the statistics, critically reviewed the results, and the manuscript, and edited the manuscript. AB: Helped design the study, critically reviewed the results, and the manuscript, and edited the manuscript. JM: Helped design the study, critically reviewed the results, and the manuscript, and edited the manuscript.

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Correspondence to Seshadri Balaji.

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Seshadri Balaji has received consulting fees from Milestone Pharmaceuticals and Janssen Pharmaceuticals.

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Balaji, S., Evers, P.D., Batra, A.S. et al. Management of Junctional Rhythm in Patients After the Fontan Operation: A Multicenter Congenital Cardiology Survey. Pediatr Cardiol 45, 63–67 (2024). https://doi.org/10.1007/s00246-023-03296-6

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  • DOI: https://doi.org/10.1007/s00246-023-03296-6

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