Comparison of accuracy in the prediction of left ventricular wall motion changes between invasively assessed microvascular integrity indexes and fluorine-18 fluorodeoxyglucose positron emission tomography in patients with ST-elevation myocardial infarction.
We compared the accuracy in predicting regional wall motion score index (RWMSI) changes between microvascular integrity indexes measured during primary percutaneous coronary intervention (PCI) and fluorine-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) in ST-elevation myocardial infarction (STEMI). Fifty patients with STEMI were enrolled. Microvascular integrity indexes were measured using an intracoronary Doppler wire and a pressure wire after primary PCI. We performed FDG-PET 7 days after PCI. RWMSI on follow-up echocardiogram (5.8 +/- 1.7 months) revealed good correlations with coronary flow reserve (r = -0.442, p = 0.002), diastolic deceleration time (r = -0.511, p <0.001), microvascular resistance index (r = 0.443, p = 0.002), coronary wedge pressure (r = 0.474, p <0.001), and FDG uptake rate (r = -0.571, p <0.001). There were no significant differences in areas under the curve for predicting RWMSI changes between microvascular integrity indexes and FDG-PET (coronary flow reserve 0.696, diastolic deceleration time 0.731, microvascular resistance index 0.748, coronary wedge pressure 0.694, Thrombolysis In Myocardial Infarction myocardial perfusion grade 0.702, and FDG-PET 0.755). In conclusion, microvascular integrity indexes assessed during primary PCI are useful and comparable to FDG-PET in predicting left ventricular functional changes in STEMI.
Yoon
Myeong-Ho
MH
Department of Cardiology, School of Medicine, Ajou University, Suwon, Korea.
Tahk
Seung-Jea
SJ
Yang
Hyung-Mo
HM
Woo
Seong-Ill
SI
Lim
Hong-Seok
HS
Kang
Soo-Jin
SJ
Choi
Byoung-Joo
BJ
Choi
So-Yeon
SY
Hwang
Gyo-Seung
GS
Shin
Joon-Han
JH
D015906:Angioplasty, Balloon, Coronary; D005260:Female; D019788:Fluorodeoxyglucose F18; D006305:Health Status Indicators; D006329:Heart Conduction System / Q000503:physiopathology*; D006334:Heart Function Tests; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000628:therapy; D049268:Positron-Emission Tomography / Q000379:methods; D012372:ROC Curve; D019275:Radiopharmaceuticals; D014463:Ultrasonography
D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18