Fixed subaortic stenosis
نویسندگان
چکیده
منابع مشابه
Fixed subaortic stenosis: anatomical spectrum and nature of progression.
Retrospective echocardiographic review identified 58 consecutive infants and children with fixed subaortic stenosis. Mean (SD) age at diagnosis was 4.8 (3.6) years (range two days to 14.7 years), and diagnosis occurred in infancy in eight. Associated cardiac abnormalities were present in 41 (71%) whereas fixed subaortic stenosis was an isolated lesion in 17 (29%). Four types of fixed subaortic ...
متن کاملFate of patients with fixed subaortic stenosis after surgical removal.
Thirty-nine consecutive patients, aged 5 to 57 years, were followed for two to 15 years with serial haemodynamic studies after removal of fixed subaortic stenosis, which was never a "membrane". Two late deaths occurred, one sudden and one in congestive failure. Of 37 survivors, 25 were asymptomatic and could be classified as good or excellent if judged by well-being. Seven were symptomatic, two...
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Three patients who had closure of an ostium primum defect developed severe fixed subaortic stenosis requiring surgical removal three to 11 years late. In two, the basic anatomy of the attachment of the superior portion of the anterior mitral cusp and submitral apparatus predisposed to the formation or deterioration of this complication. Both had subvalvar gradients and angiographic narrowing of...
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The clinical and morphologic features of tunnel subaortic stenosis, an unusual form of obstruction to left ventricular outflow, are described in 11 patients. Although patients with tunnel subaortic stenosis demonstrate a variety of cardiovascular malformations, the most characteristic anatomic feature is fibromuscular tubular narrowing of the outflow tract that remains relatively unchanged duri...
متن کاملIdiopathic hypertrophic subaortic stenosis.
ONE of the most characteristic clinical features of idiopathic hypertrophic subaortic stenosis (IHSS) is the striking variability in the intensity of the symptoms which accompany this disease. It has become clear recently that the severity of obstruction to left ventricular outflow is variable in IHSS and may be altered by a variety of physiological and pharmacological stimuli.' Alterations in ...
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ژورنال
عنوان ژورنال: The Journal of Thoracic and Cardiovascular Surgery
سال: 2007
ISSN: 0022-5223
DOI: 10.1016/j.jtcvs.2007.03.032