@MEfraimidis Profile picture

Michail Efremidis

@MEfraimidis

Director, Department of Cardiac Electrophysiology and Pacing, Onassis Cardiac Surgery Center, Athens Greece

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One more case of ATs ablated with AFFERA mapping system. 1. MFL 2. localized reentry at the anterior wall 3. CTI flutter @ SteliosDragasis @ipetemil @athsaplaouras @Kariki_O @K_Letsas @PetrosSkalidis @Medtronic

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Michail Efremidis Reposted

10yo DDD ICD extraction due to ventricular lead dysfunction (fracture). Successful full extraction of the system and reimplantation of a new one. #onassiscardiacsurgerycenter @MEfraimidis @athsaplaouras @K_Letsas @Kariki_O @SteliosDragasis

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Michail Efremidis Reposted

Mapping in the era of PFA: Confirmation of PVI with EAM did not affect recurrences after single-shot PFA. Identifying the reversible injury is the real challenge! @MEfraimidis @K_Letsas @SteliosDragasis @ipetemil @athsaplaouras #OCSC #Epeeps @APHRSOfficial onlinelibrary.wiley.com/doi/full/10.10…


LSAF more than 2 years converted into SR during MI ablation using AFFERA system. AF to MFL and then to SR@SteliosDragasis @ipetemil @athsaplaouras @Kariki_O @K_Letsas @PetrosSkalidis@Medtronic

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Echo guided PM PVC ablation. PVC ablated at the apex of the PM not at the LAT ( base of the PM) @Kariki_O@ipetemil@athsaplaouras @K_Letsas @SteliosDragasis @CosmoValkanas #OnassisCardiacSurgeryCenter


VT ablation in a DCM patient used AFFERA system for substrate mapping and ablation. @SteliosDragasis @ipetemil @athsaplaouras @Kariki_O @K_Letsas @PetrosSkalidis@Medtronic

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Michail Efremidis Reposted

cMRI-aided VT ablation. Perfect match of MRI corridors with isochronal late activation maps (DeeP mapping). Minimal lesions with short procedural time (90 min). @SteliosDragasis @athsaplaouras @ipetemil @Kariki_O @BellosPeriklis @eva_nyktari @MEfraimidis @ADAS3D OCSC

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Focal or Micro reentry AT originated from the ridge of LA. History of 3 RF LA ablation for pers AF.One shot of AFFERA PFA and gone. ⁦@SteliosDragasis⁩ ⁦@ipetemil⁩ ⁦@athsaplaouras⁩ ⁦@Kariki_O⁩ ⁦@K_Letsas⁩ ⁦@PetrosSkalidis⁩ ⁦


Michail Efremidis Reposted

🚨New #FreeRead Article in @JICE_EP Invasive Management of Atrial Tachycardias Using a Novel Lattice-Tip Catheter Combining HD Mapping & Dual Ablation Properties: Initial Real-World Experience 🧐📖 rdcu.be/dWsAR @Kariki_O, @ipetemil, @athsaplaouras, Theodoros…

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Michail Efremidis Reposted

First report focused on mapping & ablation efficacy of AFFERA in Atrial Tachycardias. Initial results from our ongoing study.. Hope to share more soon! @MEfraimidis @K_Letsas @SteliosDragasis @ipetemil @athsaplaouras #OnassisCardiacSurgeryCenter @JICE_EP link.springer.com/article/10.100…


Michail Efremidis Reposted

Cardiac resynchronization therapy in heart failure based on Strauss criteria for left bundle branch block - Saplaouras - ESC Heart Failure onlinelibrary.wiley.com/doi/10.1002/eh… Benefit concerning CRT response, HF hospitalizations, VA events and mortality in NICM. OCSC

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CMR Guided Epi - Endo VT ablation in a DCM patient. ⁦@SteliosDragasis⁩ ⁦@ipetemil⁩ ⁦@Kariki_O⁩ ⁦@athsaplaouras⁩ ⁦@K_Letsas⁩ ⁦@BellosPeriklis⁩ special thanks to Eva Nyktari ( CMR specialist ) #OCSC


atrial low voltage induced by vein of Marshall ethanol infusion in a case of MFlutter. ⁦@SteliosDragasis⁩ ⁦@ipetemil⁩ ⁦@Kariki_O⁩ ⁦@athsaplaouras⁩ ⁦@K_Letsas⁩ ⁦@CosmoValkanas#OnassisCardiacSurgeryCenter


AT in a pt with extensive RA myopathy. Ablation at the lower posterior wall (AFFERA PFA) converted AT to SR @SteliosDragasis @Kariki_O @K_Letsas @athsaplaouras @ipetemil @PetrosSkalidis #OnassisCardiacSurgeryCenter


Critical isthmus depicted by using AFFERA mapping system. Single PFA application and AT converted to SR. ⁦@SteliosDragasis⁩ ⁦@Kariki_O⁩ ⁦@K_Letsas⁩ ⁦@athsaplaouras⁩ ⁦@ipetemil⁩ ⁦@PetrosSkalidis#OnassisCardiacSurgeryCenter


Michail Efremidis Reposted

New editorial commentary written by @ShaojieChen1 for recent @JICE_EP paper by @Kariki_O and colleagues Very high-power short duration 90 W/4 s (vHPSD) vs. vHPSD-combined ablation index–guided 50W ablation (hybrid) approach for PVI in treating AF: have we found the best…

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🚨Latest #FreeRead in @JICE_EP Comparison of vHPSD Radiofrequency Ablation Strategies for PVI in Paroxysmal Atrial Fibrillation 🧐📖 rdcu.be/dMKOr by @Kariki_O, @ipetemils, s, Theodoros Efremidis, Eleftheria-Garyfallia Tsetika, Antonios Martinos, Evangelia…

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