[Surgical treatment 0f 52 obstructive cardiomyopathies. 11-year experience (1964-75)]

The authors present their 11 year experience of treating severe cases of obstructive cardiomyopathy which were resistant to medical treatment. They consider that myotomy is the simplest procedure (it is always effective) in this mysterious disorder for which it must be admitted that there is no treatment that is entirely satisfactory.