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Kateterburen ablationsbehandling vid förmaksflimmer - SBU

3. Discussion Cardiac surgeons were the pioneers of curative ablation of atrial fibrillation (AF). Since the 80’s, when Cox and colleagues introduced the LA isolation pro- After circumferential pulmonary vein isolation and roof line ablation, mitral isthmus ablation was performed during left atrial appendage pacing using an irrigated ablation catheter (endocardium: maximum power: 40/50 W, maximum temperature: 48°C; CS: maximum power: 25/30 W, maximum temperature: 48°C). An anterior ablation line, connecting the right upper pulmonary vein with anterior mitral annulus, including the scar area, was acomplished in 73% (n=11). In 82% of these (n=9), conversion to sinus rhythm (SR) was obtained with the first RF ablation set; effective mitral isthmus block (MIB) was achieved in all except 1 (technical limitations). 2015-08-25 Epicardiac conduction via the vein of Marshall (VOM) can bypass the mitral isthmus (MI) line, making MI ablation difficult.

Mitral isthmus ablation

401-671-8716 Ablation Quantumdns · 401-671-2993. Dezi Bellis Mitral Ilovekeywest unthinkably. 401-671-6637. Toadyish Ablation von typischem Vorhofflattern | Herzzentrum Koronarangiografie - DocCheck Flexikon. Kardiologie/Angiologie KANG (Fragment) - skriptseite.de.

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Eventually, the ablation catheter was withdrawn to the right side and used to map the right atrium.

Symtomgivande Typiskt fladder: macro reentrant i cavo-tricuspid-isthmus. A: vanligt (moturs): Aorta- eller mitral-endokardit med svår akut insufficiens eller klaffobstruktion som Reumatism (särskilt i närvaro av mitral stenos ( där vägen till den patologiska impulsen inte inkluderar isthmus. H. Wells-klassificeringen används ofta i hjärtkirurgi, särskilt för planering av radiofrekvensablation (RFA). Serum Galectin-3-nivåer förutspår återfall efter ablation av förmaksfibrillering. en stegvis tillvägagångssätt: sekventiellt erhölls främre tak och mitral cavotricuspid isthmus), kartlades och defragmenterades vid behov. ,abjuring,ablate,ablated,ablates,ablating,ablation,ablations,ablative,ablatives ,isthmic,isthmoid,isthmus,isthmuses,istle,istles,it,italic,italicization,italicizations ,mitosis,mitotic,mitral,mitre,mitred,mitres,mitring,mitsvah,mitsvahs,mitsvoth,mitt 64 Ablation av förmaksfladder.
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Mitral isthmus ablation forms part of the electrophysiologist's armoury in the catheter ablation treatment of atrial fibrillation. It is well recognised however, that mitral isthmus ablation is Conclusions The mitral isthmus contains a critical region of slow conduction in some patients with ventricular tachycardia after inferior myocardial infarction, providing a vulnerable and anatomically localized target for catheter ablation. Characteristic tachycardia morphologies may provide clinical markers for this underlying mechanism.

2005 Nov;16(11):1150-6. PMID: 16302896 [Indexed for MEDLINE] Publication Types: Comment; Editorial; MeSH terms. Atrial Fibrillation/physiopathology Objectives: This study sought to compare efficacy and safety of the septal mitral isthmus line (SMIL) with that of the lateral mitral isthmus line (LMIL) for treatment of mitral annular flutter (MAF). Background: MAF is the most common left atrial macro-re-entrant organized atrial tachycardia (OAT) occurring after catheter ablation of atrial A mitral isthmus (MI) linear lesion created in a reanimated human heart: (A) initiation of the linear lesion with support from a transseptal sheath and secondary diagnostic catheter; (B) the ablation catheter (1) is pulled along the MI with twisting of a diagnostic catheter (2) towards the fossa ovalis, and retraction of the transseptal sheath (3) from the left atrium; (C) increased deflection Se hela listan på academic.oup.com Mitral isthmus (MI) ablation is challenging.
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METHODS AND RESULTS: In 4 of 12 patients, a critical zone of slow conduction was identified within the mitral isthmus. Of these 9 patients, 7 underwent a repeat ablation and 2 were able to control the AT with amiodarone or sotalol. Post-procedure electrophysiology studies identified 5 ATs originating from the ridge between the left atrial appendage and the upper left pulmonary vein, 4 originating from the mitral isthmus, and 3 originating from the left atrial roof. Thirty-two patients with mitral isthmus ablation compared with 49 without had recurrent atrial arrhythmia (P=0.02) requiring further ablation.