Idiopathic hypertrophic subaortic stenosis: detection by thallium-201 myocardial perfusion imaging
Journal Article
·
· New Engl. J. Med.; (United States)
To determine whether thallium 201 myocardial imaging could be used to detect hypertrophic cardiomyopathy, 10 patients with idiopathic hypertrophic subaortic stenosis were studied. Asymmetric septal hypertrophy, an anatomic marker for this disease, was evident on thallium scans in the patients with idiopathic hypertrophic subaortic stenosis, with a ratio of septum to left ventricular free wall of 1.7 cm compared to 1.0 cm in eight normal volunteers, and 1.0 cm in eight patients with concentric left ventricular hypertrophy. Patients with hypertrophic cardiomyopathy also demonstrated apical ventricular wall thickening, and a thicker posterior ventricular free wall in the obstructive in contrast to the nonobstructive form of this disease. Thallium scans of three patients with pulmonary hypertension and secondary asymmetric septal hypertrophy were distinguished from idiopathic hypertrophic subaortic stenosis by marked right ventricular wall thickening. Thus, thallium 201 myocardial perfusion imaging provides a noninvasive method for detection and evaluation of idiopathic hypertrophic subaortic stenosis.
- Research Organization:
- Johns Hopkins Univ. School of Medicine, Baltimore
- OSTI ID:
- 7151946
- Journal Information:
- New Engl. J. Med.; (United States), Journal Name: New Engl. J. Med.; (United States) Vol. 293:22; ISSN NEJMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
BETA DECAY RADIOISOTOPES
BODY
CARDIOVASCULAR DISEASES
CARDIOVASCULAR SYSTEM
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
ELECTRON CAPTURE RADIOISOTOPES
HEART
HEAVY NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MUSCLES
MYOCARDIUM
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIOISOTOPE SCANNING
RADIOISOTOPES
SCINTISCANNING
SECONDS LIVING RADIOISOTOPES
THALLIUM 201
THALLIUM ISOTOPES
62 RADIOLOGY AND NUCLEAR MEDICINE
BETA DECAY RADIOISOTOPES
BODY
CARDIOVASCULAR DISEASES
CARDIOVASCULAR SYSTEM
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
ELECTRON CAPTURE RADIOISOTOPES
HEART
HEAVY NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MUSCLES
MYOCARDIUM
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIOISOTOPE SCANNING
RADIOISOTOPES
SCINTISCANNING
SECONDS LIVING RADIOISOTOPES
THALLIUM 201
THALLIUM ISOTOPES