TC-99(M)-METHOXYISOBUTYLISONITRILE STRESS REST SPECT IN PATIENTS WITH CONSTANT COMPLETE LEFT-BUNDLE-BRANCH BLOCK

被引：27

作者：

ALTEHOEFER, C

DAHL, JV

KLEINHANS, E

UEBIS, R

HANRATH, P

BUELL, U

机构：

[1] Medical Clinic I, Technical Universit, Aachen

来源：

NUCLEAR MEDICINE COMMUNICATIONS | 1993年 / 14卷 / 01期

关键词：

D O I：

10.1097/00006231-199301000-00007

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 [临床医学]; 100207 [影像医学与核医学]; 1009 [特种医学];

摘要：

Numerous studies have revealed frequent false positive septal findings of Tl-201 stress imaging in patients with left bundle branch block (LBBB) even with angiographically excluded significant coronary artery disease (CAD). To scrutinize this phenomenon for stress/rest Tc-99m-methoxyisobutylisonitrile (MIBI) single photon emission computed tomography (SPECT) was used to review 22 patients with constant LBBB. The findings were reversible septal defect in one patient, partially reversible septal defect in one patient and irreversible septal defects in eight patients. In four patients Tc-99m-MIBI scans were entirely normal. Thus, 12/22 (55%) patients revealed normal septal Tc-99m-MIBI uptake. Both patients with a stress-induced septal defect revealed a significant left anterior descending artery stenosis on coronary angiography. These preliminary results suggest, that Tc-99m-MIBI might be more specific and accurate than Tl-201 in the evaluation of CAD in patients with LBBB because of apparently rare or absent false positive septal findings.

引用

页码：30 / 35

页数：6

共 17 条

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