Innovations in arrhythmia management in pregnant woman: catheter ablation without using fluoroscopy

Aliya Smagulova, Bayan A. Ainabekova, Rustam Albaev, Zhanar S. Abdrakhmanova, Zhanasyl Suleymen, Ayan Suleimenovich Abdrakhmanov

2024

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DOI 10.1093/europace/euae102.761
Data confidence 70 medium
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Abstract

Abstract Background The latest data of effectiveness and safety of catheter ablation without using fluoroscopy in general population suppose wide using of this technology. However, data on pregnant population is limited. Purpose To investigate efficacy and safety of catheter ablation without using fluoroscopy in pregnant women with analyzing obstetric and neonatal outcomes. Methods We studied 47 cases of catheter ablation in pregnant (mean age 25.3±3.9 years, mean gestation age 23.7 ±3.1 weeks) within 24 month follow-up. Ablation was performed under the guidance of CARTO (n=21; 44.7%) and Ensite Precision systems (n=26; 55.3%) without using fluoroscopy in all cases. Results The most common arrhythmia was atrioventricular nodal reentrant tachycardia (n=21; 44.7%), which was followed by Wolff–Parkinson–White syndrome (n=15; 31.9%). Cases of combination of accessory pathways with slow conduction ways (n=3, 6.4%), ventricular tachycardia (n=3, 6.4%) and premature ventricular contraction (n=5; 10.6%) were rare. Ablation without using fluoroscopy was successful in all cases, mean procedural time was 71.9±14.5 minutes. There was one case of complication after ablation procedure: ileofemoral thrombosis, which was treated successfully without termination of gestation (2.1%). We found increased uterine contractile activity and placental abruption in pregnant after ablation in 4.54% and 2.3% cases respectively. Cases of uterine blood flow violation was more frequent: in 15.9% cases. Obstetric outcomes characterized by prevalence of vaginal delivery and delivery in term: in 76.6% and 95.7% cases. There were live births in all pregnant women with normal range of fetal birth weight and Apgar score (3207.4±485 grams and 8.4±1.6 respectively). There were no incidence of mortality and arrhythmia recurrence at follow up. Conclusions Catheter ablation without using fluoroscopy can be effectively and safety performed during gestation with good neonatal and obstetric outcomes.