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Contact force sensing in ablation of ventricular arrhythmias using a 56-hole open-irrigation catheter: a propensity-matched analysis.
Elbatran, Ahmed I; Li, Anthony; Gallagher, Mark M; Kaba, Riyaz; Norman, Mark; Behr, Elijah R; Sohal, Manav; Bajpai, Abhay; Zuberi, Zia; Saba, Magdi M.
Afiliación
  • Elbatran AI; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Li A; Department of Cardiology, Ain Shams University, Cairo, Egypt.
  • Gallagher MM; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Kaba R; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Norman M; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Behr ER; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Sohal M; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Bajpai A; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Zuberi Z; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
  • Saba MM; Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust, St. George's, University of London, London, UK.
J Interv Card Electrophysiol ; 60(3): 543-553, 2021 Apr.
Article en En | MEDLINE | ID: mdl-32440943
PURPOSE: The effect of adding contact force (CF) sensing to 56-hole tip irrigation in ventricular arrhythmia (VA) ablation has not been previously studied. We aimed to compare outcomes with and without CF sensing in VA ablation using a 56-hole radiofrequency (RF) catheter. METHODS: A total of 164 patients who underwent first-time VA ablation using Thermocool SmartTouch Surround Flow (TC-STSF) catheter (Biosense-Webster, Diamond Bar, CA, USA) were propensity-matched in a 1:1 fashion to 164 patients who had first-time ablation using Thermocool Surround Flow (TC-SF) catheter. Patients were matched for age, gender, cardiac aetiology, ejection fraction and approach. Acute success, complications and long-term follow-up were compared. RESULTS: There was no difference between procedures utilising either TC-SF or TC-STSF in acute success (TC-SF: 134/164 (82%), TC-STSF: 141/164 (86%), p = 0.3), complications (TC-SF: 11/164 (6.7%), TC-STSF: 11/164 (6.7%), p = 1.0) or VA-free survival (TC-SF: mean arrhythmia-free survival time = 5.9 years, 95% CI = 5.4-6.4, TC-STSF: mean = 3.2 years, 95% CI = 3-3.5, log-rank p = 0.74). Fluoroscopy time was longer in normal hearts with TC-SF (19 min, IQR: 14-30) than TC-STSF (14 min, IQR: 8-25; p = 0.04). CONCLUSION: Both TC-SF and TC-STSF catheters are safe and effective in treating VAs. The use of CF sensing catheters did not improve safety or acute and long-term outcomes, but reduced fluoroscopy time in normal heart VA.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fibrilación Atrial / Ablación por Catéter Límite: Humans Idioma: En Revista: J Interv Card Electrophysiol Asunto de la revista: CARDIOLOGIA Año: 2021 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fibrilación Atrial / Ablación por Catéter Límite: Humans Idioma: En Revista: J Interv Card Electrophysiol Asunto de la revista: CARDIOLOGIA Año: 2021 Tipo del documento: Article Pais de publicación: Países Bajos