eISSN: 1896-9151
ISSN: 1734-1922
Archives of Medical Science
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SCImago Journal & Country Rank
3/2019
vol. 15
 
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Cardiomyopathy
abstract:
Clinical research

Outcome of patients ≥ 60 years of age after alcohol septal ablation for hypertrophic obstructive cardiomyopathy

Denisa Jahnlová, Pavol Tomašov, Radka Adlová, Jaroslav Januška, Jan Krejčí, Maciej Dabrowski, Josef Veselka

Arch Med Sci 2019; 15 (3): 650–655
Online publish date: 2019/04/30
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Introduction
The outcome of patients ≥ 60 years of age after alcohol septal ablation (ASA) for obstructive hypertrophic cardiomyopathy (HCM) remains unresolved. We sought to determine the long-term survival and the causes of death in this population.

Material and methods
We enrolled 156 consecutive patients (69 ±6 years, 69% women, follow-up: 4.8 ±3.5 years) who underwent ASA at ≥ 60 years of age.

Results
The 30-day mortality rate was 1.3%. At the last check-up, 81% of patients were in New York Heart Association class ≤ 2 and 76% had a left ventricular outflow tract gradient (LVOG) ≤ 30 mm Hg. A total of 39 patients died (51% of cardiovascular causes, 44% of non-cardiovascular causes, 5% of unknown causes) during the 734 patient-years. The annual sudden mortality, the sudden mortality and the all-cause mortality rates were 0.5%, 1.1%, and 4.8%, respectively. The all-cause mortality was higher compared to the age- and sex-matched general population (p = 0.002).

Conclusions
Alcohol septal ablation was safe and effective in the long-term follow-up. We observed a reduced life expectancy compared to the age- and sex-matched general population. Mortality was almost equally due to cardiovascular and non-cardiovascular causes of death.

keywords:

hypertrophic cardiomyopathy, sudden cardiac death, survival

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