Catheter ablation of Idiopathic Ventricular Arrhythmias in Nepal-5 Years Single Centre Experience

Authors

  • Roshan Raut Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal https://orcid.org/0000-0002-4207-3932
  • Murari Dhungana Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal
  • Man Bahadur KC Hospital of advanced medicine and surgery (HAMS), Dhumbarahi, Kathmandu, Nepal
  • Mukunda Sharma Hospital of advanced medicine and surgery (HAMS), Dhumbarahi, Kathmandu, Nepal.
  • Surakshya Joshi Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal
  • Prashanta Bajracharya Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal
  • Kunjang Sherpa Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal
  • Laksheshwor Pradhan Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal
  • Sujeeb Rajbhandari Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

DOI:

https://doi.org/10.3126/njh.v18i2.40402

Keywords:

Idiopathic ventricular arrhythmias, Right ventricular outflow tract, Fascicular Ventricular tachycardia, Left ventricular outflow tract

Abstract

Background and Aims: Idiopathic ventricular arrhythmia (IVAs) is defined as premature ventricular complexes (PVCs), nonsustained ventricular tachycardia or sustained ventricular tachycardia (VT) in the absence of obvious structural heart disease. Catheter ablation has become an established treatment strategy for wide varieties of idiopathic ventricular arrhythmias. The aim of this study is to report the efficacy and safety of catheter ablation of idiopathic ventricular arrhythmias, for the first time in Nepal.

Methods: This is a retrospective observational descriptive study of all patients who underwent electrophysiological study and radiofrequency catheter ablation for IVAs from March, 2015 to February 2020 at Shahid Gangalal National Heart center (SGNHC).

Results: Altogether 101 patients underwent an EP study with intent to ablations for idiopathic ventricular arrhythmias. In 13 patients, ventricular arrhythmias were not present on the procedure day and also could not be induced in the lab, therefore ablation was performed in 88 patients only. RVOT was the most common site of these arrhythmias comprising 51% of all cases, followed by fascicular VT (34%) and basal left ventricular IVAs (15%). Out of 88 patients, the acute success of 7 patients could not be assessed because of very infrequent PVCs. Out of remaining 81 patients, acute success achieved in 77 patients (95%). Recurrence occurred in 9 patients (10.7%) and 4 patients underwent repeat ablation giving rise to over clinical success during follow up in 78 patients (88.7%). There were two major complications, one pulmonary embolism and another cardiac tamponade both managed successfully.

Conclusion: This single-center single operator study demonstrates that catheter ablation of idiopathic ventricular arrhythmias has a high success and low complication rate

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Author Biographies

Roshan Raut, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

Murari Dhungana, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

Man Bahadur KC, Hospital of advanced medicine and surgery (HAMS), Dhumbarahi, Kathmandu, Nepal

Department of Cardiology

Mukunda Sharma, Hospital of advanced medicine and surgery (HAMS), Dhumbarahi, Kathmandu, Nepal.

Department of Cardiology

Surakshya Joshi, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

Prashanta Bajracharya, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

Kunjang Sherpa, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

Laksheshwor Pradhan, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

Sujeeb Rajbhandari, Shahid Gangalal National Heart Centre, Bansbari, Kathmandu, Nepal

Department of Cardiology

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Published

2021-11-23

How to Cite

Raut, R., Dhungana, M., KC, M. B., Sharma, M., Joshi, S., Bajracharya, P., Sherpa, K., Pradhan, L., & Rajbhandari, S. (2021). Catheter ablation of Idiopathic Ventricular Arrhythmias in Nepal-5 Years Single Centre Experience. Nepalese Heart Journal, 18(2), 33–37. https://doi.org/10.3126/njh.v18i2.40402

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Section

Original Articles