Cardiomyopathy

"Background Information Cardiomyopathy is one of the leading causes of heart failure. In cases where cardiomyopathy does not respond to guideline-directed medical therapy for heart failure, the disease may progress to a stage where heart transplantation is the only viable treatment option. According to the 2022 Korean Organ Transplant Registry (KOTRY) report, cardiomyopathy accounted for approximately 65% of heart transplant indications in Korea, making it one of the most challenging unresolved issues in modern cardiology. Furthermore, cardiomyopathy is associated with a high risk of sudden cardiac death due to ventricular fibrillation or ventricular tachycardi and implantable cardioverter-defibrillators are often recommended as a preventive measure. Given that sudden cardiac death frequently occurs in young and middle-aged individuals, it is a major public health concern in developed countries such as North America and Western/Northern Europe, prompting ongoing societal and medical efforts to reduce its burden. The risk of sudden cardiac death imposes a persistent psychological burden on family members of patients with cardiomyopathy. Because sudden death can also occur in childre