Use of [11C]acetate and [15O]O2 PET for the assessment of myocardial oxygen utilization in patients with chronic myocardial infarction
Use of [11C]acetate and [15O]O2 PET for the assessment of myocardial oxygen utilization in patients with chronic myocardial infarction
复制标题
使用[11C]乙酸盐和[15O]O2 PET评估慢性心肌梗死患者的心肌氧利用
DOI:
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发表时间:
2001
期刊:
影响因子:
--
通讯作者:
L. Voipio‐Pulkki
中科院分区:
文献类型:
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作者:
H. Ukkonen;J. Knuuti;C. Katoh;H. Iida;H. Sipilä;P. Lehikoinen;K. Någren;L. Voipio‐Pulkki
Carbon-11 acetate positron emission tomography (PET) has been widely used to assess regional oxidative metabolism of the heart. However, the accuracy of [11C]acetate PET in assessing oxidative metabolism in infarcted myocardium remains controversial. Thirteen patients with stable coronary artery disease and old myocardial infarction were studied. The 15O-based PET studies yielded regional blood flow (rMBF, ml/min/g) and oxygen consumption (rMMRO2, ml/min/g), which was compared with the myocardial clearance rate constant (kmono) of [11C]acetate in segments with rMBF≥75% (group A), 50%–74% (group B) or <50% (group C) of the normal reference segment. Mean MBF was 0.96±0.08 ml/g/min in group A, 0.67±0.06 ml/g/min in group B and 0.42±0.07 ml/g/min in group C segments. The segmental rMMRO2 correlated linearly with kmono (r=0.89, P<0.001, y=0.61x+0.026). The kmono/rMMRO2 ratio was comparable in the group A and B segments (0.99±0.19 vs 1.07±0.21, P=NS). However, the ratio was significantly higher in the group C segments (1.28±0.35, P=0.037). It is concluded that kmono of [11C]acetate correlates linearly with rMMRO2 determined by [15O]O2 inhalation. However, kmono appears to yield higher rMMRO2 estimates than the [15O]O2 method in low-flow areas.
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DOI:
--
发表时间:
1989
期刊:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子:
--
作者:
Walsh,MN;Geltman,EM;Brown,MA;Henes,CG;Weinheimer,CJ;Sobel,BE;Bergmann,SR
通讯作者:
Bergmann,SR
DOI:
--
发表时间:
1989
期刊:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子:
--
作者:
Brown,MA;Myears,DW;Bergmann,SR
通讯作者:
Bergmann,SR
DOI:
--
发表时间:
1989
期刊:
Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子:
--
作者:
Henes,CG;Bergmann,SR;Walsh,MN;Sobel,BE;Geltman,EM
通讯作者:
Geltman,EM
影响因子:
37.8
作者:
BROWN, M;MARSHALL, DR;BERGMANN, SR
通讯作者:
BERGMANN, SR