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- W2381031001 abstract "Objective To evaluate the prognostic value of 99m Tc-MIBI stress-rest SPECT imaging in patients after percutaneous transluminal coronary angioplasty (PTCA). Methods One-hundred eighty one patients (mean age 54±9 years old) were followed-up for 36±30 months, who underwent stress and rest 99mTc-MIBI myocardial SPECT imaging 3-12 months (median 5) after PTCA. Results During the period of follow-up (36±30) months, 37 patients (20.4%) suffered from cardiac events, including 4 hard events (acute myocardial infarction) and 33 soft events (3 unstable angina pectoris, 9 bypass surgery,11 PTCA and 10 PTCA+stent). The cardiac event rate in patients with reversible perfusion defects (group 1, n=41) was 70.7%, which was significantly higher than that in patients with irreversible perfusion defects (group 2, n=39) (12.8%,χ2=27.4, P0.001), and that in patients with normal perfusion imaging (group 3, n=101) (3.1%,χ2=72.87, P0.001). Multivariate analysis showed that summed stress score (SSS) was the only independent predictor for hard cardiac events (RR 1.12, 95% CI:1.03-1.20, P=0.003). Summed difference score (SDS) between summed stress and rest scores was the best independent predictor for cardiac events (RR 1.09, 95% CI:1.04-1.15,P0.001). The estimated event free survival rates of group 1 were 50.5%, 34.4%, 17.2% and 17.2% during 1, 3, 5 and 10 y of follow-up, respectively. However, the estimated event-free survival rates of group 3 were 98.0%, 96.4%, 96.4% 和96.4% during the same periods(χ2=96.32, P0.001). Conclusion 99mTc-MIBI stress-rest SPECT imaging has important prognostic value in patients after PTCA." @default.
- W2381031001 created "2016-06-24" @default.
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- W2381031001 date "2003-01-01" @default.
- W2381031001 modified "2023-09-28" @default.
- W2381031001 title "Prognostic value of ~(99m)Tc-MIBI stress-rest myocardial SPECT imaging in patients after coronary angioplasty" @default.
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