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KMID : 0882420050690040364
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Korean Journal of Medicine
2005 Volume.69 No. 4 p.364 ~ p.370
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The usefulness of cardiovascular MR in prediction of wall motion recovery after revascularization in acute myocardial infarction
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김준홍:Kim June-Hong
박용현:Park Yong-Hyun/정준훈:Jeong Joon-Hoon/고우석:Ko Woo-Suk/배우형:Bae Woo-Hyung/이현국:Lee Hyeon-Gook/김준:Kim Jun/전국진:Chun Kook-Jin/홍택종:Hong Taek-Jong/신영우:Shin Yung-Woo/추기석:Choo Ki-Seok/김창원:Kim Chang-Won
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Abstract
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‘Background : Cardiovascular MR has recently been reported that it can determine the visble
‘myocardium. We investigated this study to determine the usefulness of cardiovascular MR in
prediction of wall moion recovery after revascularization in acule myocardial infarction
Method : Both cardiovascular MR with contrast enhancement snd coronsry angiogram were
performod in 19 pationts with acuie myocardial infarction who treated with precutancous intervertion
or thromblytic therapy. Six menths follow-up angiogram and MR sty were also preformed. Thirty
o matched segments model o the lft vertricl were used to analyss the wall motion change and
the grade of transmural extent of hyperenhancement (TEL).
‘Results : Among 628 segments, 177 segments showed wall motion abrormaity. In group of
‘segments showing hypokinesia (B8 segments) the proportion of segments showing wall motion
improvement was not different from tha of the ainelc segments group (109 segments) (S0% vs
41.3%, p=0.29. The proportion of segments showing wall micn improvement were 605% i group
of TEI grade 0, 58.9% in TEI grade I, 51.2% in TEI grade Il 20.4% in TEl grade IV, 8% in TEL
grade V. If the groups were divided into two according to cut-off value of TEI 50%, In the group.
of TiI lss than SO%, 67 out of 118 segments (56.8%) showed wall molion improvement in conrast
with 12 out of 59 segments (0% in the group of TEL above 0% (p<00). The status of baseline.
wall motion abnormaliy (hypokinesia or akinesia) did not effect on wall moton improvement afier
revascularization.
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KEYWORD
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