Conduction abnormalities post alcohol septal ablation for hypertrophic cardiomyopathy – A single center experience

Conduction abnormalities are commonly noted after alcohol septal ablation (ASA). This was a retrospective, observational study where we studied the incidence of new onset conduction abnormalities post ASA. 23 patients, who underwent ASA over a period of 5 years, were included in the study. Baseline...

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Bibliographic Details
Published inIndian heart journal Vol. 73; no. 6; pp. 743 - 745
Main Authors Mani, Avinash, S, Harikrishnan, G, Sanjay, Valaparambil, Ajit Kumar
Format Journal Article
LanguageEnglish
Published India Elsevier B.V 01.11.2021
Elsevier
Subjects
Alcohol septal ablation
Bundle-Branch Block - diagnosis
Bundle-Branch Block - epidemiology
Bundle-Branch Block - etiology
Cardiac Conduction System Disease
Cardiomyopathy, Hypertrophic - diagnosis
Cardiomyopathy, Hypertrophic - epidemiology
Complete heart block
Ethanol
Heart Septum - surgery
Humans
Hypertrophic cardiomyopathy
Research Brief
Treatment Outcome
Hypertrophic cardiomyopathy
Complete heart block
Alcohol septal ablation
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Summary:Conduction abnormalities are commonly noted after alcohol septal ablation (ASA). This was a retrospective, observational study where we studied the incidence of new onset conduction abnormalities post ASA. 23 patients, who underwent ASA over a period of 5 years, were included in the study. Baseline conduction abnormalities were noted in 26% patients (n = 6). Transient complete heart block (CHB) was noted in 21.7% (n = 5) whereas new onset right bundle branch block (RBBB) was seen in 60.8% (n = 14). Left bundle branch block was uncommon (4.3%,n = 1). Permanent pacemaker implantation was done in 4.3% (n = 1) for CHB. Conduction anomalies are frequent after ASA with RBBB being most common.
ISSN:0019-4832
2213-3763
DOI:10.1016/j.ihj.2021.10.005