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Visualization of Kent bundle position in WPW syndrome using phase analysis

Conference · · J. Nucl. Med.; (United States)
OSTI ID:5936240
; ; ; ;

Multigated blood pool scintigraphy was performed in 20 normal subjects and 20 patients with WPW syndrome. Cardiac imaging was performed in left anterior oblique, right anterior oblique, and left lateral views. In 8 patients with WPW syndrome, gated single photon emission computed tomography (SPECT) was also done. Regional ventricular contraction patterns were evaluated with sequential regional phase mapping. In WPW syndrome, abnormal earlier contraction site could detect at affected ventricular base just below the atrium not seen in normal cases. In three cases double bypass tracts were seen. These abnormal contraction sites were disappeared after blocked conduction with procainamide or surgery. SPECT images were the most reliable to verify the exact position of abnormal contraction sites especially at posterior wall. The authors confirm Kent bundle position in WPW syndrome in 19 cases and conclude: multiprojection or SPECT phase image was suitable method to identify exact position of accessory bypass tract noninvasively; routine left anterior oblique view was not useful position for WPW syndrome.

Research Organization:
First Dept. of Intern. Med., Mie Univ., Tsu, Mie
OSTI ID:
5936240
Report Number(s):
CONF-850611-
Journal Information:
J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 26:5; ISSN JNMEA
Country of Publication:
United States
Language:
English

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Related Subjects

550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
BODY
CARDIOVASCULAR SYSTEM
COMPUTERIZED TOMOGRAPHY
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DYNAMIC FUNCTION STUDIES
EMISSION COMPUTED TOMOGRAPHY
HEART
IMAGE PROCESSING
ISOTOPE APPLICATIONS
LABELLED POOL TECHNIQUES
MEDICINE
ORGANS
PROCESSING
RADIOISOTOPE SCANNING
SCINTISCANNING
SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY
SURGERY
TOMOGRAPHY
TRACER TECHNIQUES