RADIOISOTOPES
Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303
Assessment of Hibernating Myocardium Following Coronary Artery Bypass Grafting Using Resting 201Tl Myocardial SPECT
Motoo OSHIMAShizuka HIGASHIHiroshi YASUKOCHIShuhei HAYASE
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JOURNALS FREE ACCESS

1995 Volume 44 Issue 3 Pages 175-181

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Abstract

In this study, the effect of coronary artery bypass grafting (CABG) in 35 patients (pts) (male 29, female 6) with fixed defects were evaluated before and one month after surgery using resting 201T1 SPECT. Nine pts (7 old myocardial infarction ; OMI) had 2 vessel disease (VD) and 26 pts (19 OMI) had 3 VD. Pts ages ranged from 41 to 75 (mean 61.4±8.4) years.
All 35 pts were divided into 4 groups according to the results of 201T1 SPECT and left ventriculogram pre- and post-CABG. 13 pts who improved of both 201T1 SPECT and wall motion scores post-CABG were considered as hibernating myocardium (group I) . 9 pts who impoved of 201T1 SPECT score but no change of wall motion were group II. 7 pts who improved of wall motion but no change of 201T1 SPECT score were group III. 6 pts who had no improvement of both 201T1 SPECT and wall motion scores were group IV and considered as myocardial infarction.

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© Japan Radioisotope Association
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