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[Familial hypertrophic obstructive cardiomyopathy]
W Heinze1, K Minami, D Fassbender
1Klinik für Thorax- und Kardiovaskularchirurgie, Herzzentrum Nordrhein-Westfalen, Bad Oeynhausen.
Insights
Hypertrophic obstructive cardiomyopathy (HOCM) is a genetic heart condition. Surgical treatment (myotomy and myectomy) significantly improved a patient's symptoms and cardiac function.
Area of Science:
- Cardiology
- Genetics
Background:
- Hypertrophic obstructive cardiomyopathy (HOCM) is a significant cause of heart disease.
- Genetic factors play a role in HOCM development, as seen in this patient's family history.
Observation:
- A 50-year-old male patient with a history of hypertrophic obstructive cardiomyopathy (HOCM) presented with recurrent atrial fibrillation and rapid ventricular rate.
- Previous conservative treatments were ineffective.
Findings:
- Left-heart catheterization and echocardiography confirmed the diagnosis of HOCM.
- Transaortic myotomy and myectomy were performed due to failed conservative treatment.
- Postoperative assessment at eight months revealed marked clinical improvement, restoration of sinus rhythm, and regression of left ventricular hypertrophy.
Implications:
- Surgical intervention, specifically transaortic myotomy and myectomy, can be an effective treatment for symptomatic HOCM.
- Successful surgical outcomes in HOCM can lead to improved cardiac function and quality of life.
- Understanding the genetic basis of HOCM is crucial for family screening and management.
Abstract:
The diagnosis of hypertrophic obstructive cardiomyopathy in a 50-year-old man was confirmed by left-heart catheterization and echocardiography, the diagnosis having first been made some years earlier. Both his brother and his children have the same disease. The patient had several cardioversions for recurrent atrial fibrillation with a rapid ventricular rate. Because conservative treatment failed to give a satisfactory result, transaortic myotomy and myectomy were performed. Clinical examination eight months postoperatively showed that the patient's general condition had markedly improved, there was sinus rhythm, and the signs of left ventricular hypertrophy had regressed.