ISSN 2149-2263 | E-ISSN 2149-2271
The Anatolian Journal of Cardiology
Syncope, other risk factors, and the implantable defibrillator for sudden death prevention in hypertrophic cardiomyopathy [Anatol J Cardiol]
Anatol J Cardiol. 2006; 6(Suppl 2): 55-60

Syncope, other risk factors, and the implantable defibrillator for sudden death prevention in hypertrophic cardiomyopathy

Delia Cotiga1, Frederick A. Ehlert2, Mark V. Sherrid3
1Division of Cardiology, St. Luke’s/Roosevelt Hospital Center Columbia University, College of Physicians and Surgeons, New York City, NY, USA
2Current affiliation-New York Presbyterian Hospital, New York City, NY, USA
3Division of Cardiology, St. Luke’s and Roosevelt Hospitals, Columbia University College of Physicians & Surgeons, New York, NY, USA

Sudden cardiac death is the most devastating complication of hypertrophic cardiomyopathy. Since HCM may present at young age, and since the risk period for sudden arrhythmic death may be long, decision-making in HCM patients may be difficult, and have lifelong imp- lications. Community based studies show a sudden death mortality of approximately 1%/year. Certain patients can be identified by their clinical characteristics, and through testing, to have higher annual risk, as high as 4-5%/year. Risk factors for sudden cardiac death include: family history of HCM and sudden death, recurrent syncope, ventricular tachycardia, as detected by Holter monitoring or exer- cise testing, subnormal (<20 mmHg) increase in systolic blood pressure on maximal exercise testing and lastly marked (especially >30 mm) left ventricular hypertrophy. The implantable defibrillator has been shown to avert sudden death in selected HCM patients deemed to be at high risk.

Keywords: Hypertrophic cardiomyopathy, syncope, sudden cardiac death, implantable defibrillator, risk assessmen

Delia Cotiga, Frederick A. Ehlert, Mark V. Sherrid. Syncope, other risk factors, and the implantable defibrillator for sudden death prevention in hypertrophic cardiomyopathy. Anatol J Cardiol. 2006; 6(Suppl 2): 55-60
Manuscript Language: English


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