TY - JOUR
T1 - Exercise thallium scintigraphy versus high-dose dipyridamole echocardiography testing for detection of asymptomatic restenosis in patients with positive exercise tests after coronary angioplasty
AU - Pirelli, Salvatore
AU - Battista Danzi, Gian
AU - Massa, Daria
AU - Piccalo', Giacomo
AU - Faletra, Francesco
AU - Cannizzaro, Giorgio
AU - Sarullo, Filippo
AU - Picano, Eugenio
AU - De Vita, Claudio
AU - Campolo, Luigi
PY - 1993/5/1
Y1 - 1993/5/1
N2 - The usefulness of high-dose (≤0.84 mg/kg over 10 minutes) dipyridamole echocardiography testing was compared with that of exercise thallium-201 scintigraphy in detecting restenosis (>70% lumen reduction) in 50 asymptomatic patients with ST-segment depression during maximal exercise testing 3 months after successful coronary angioplasty. Dipyridamole echocardiography testing and exercise thallium scintigraphy showed a similar sensitivity (75 vs 83%; p = NS) and specificity (90 vs 84%; p = NS) for the detection of restenoses, which occurred in 12 patients. It is concluded that dipyridamole echocardiography testing is as accurate as exercise thallium testing for the noninvasive detection of severe restenosis in patients with exercise-induced asymptomatic ST-segment depression after successful angioplasty. Furthermore, the site, extent and severity of the thallium perfusion defects during exercise are correlated to those of the dyssynergy during dipyridamole echocardiography.
AB - The usefulness of high-dose (≤0.84 mg/kg over 10 minutes) dipyridamole echocardiography testing was compared with that of exercise thallium-201 scintigraphy in detecting restenosis (>70% lumen reduction) in 50 asymptomatic patients with ST-segment depression during maximal exercise testing 3 months after successful coronary angioplasty. Dipyridamole echocardiography testing and exercise thallium scintigraphy showed a similar sensitivity (75 vs 83%; p = NS) and specificity (90 vs 84%; p = NS) for the detection of restenoses, which occurred in 12 patients. It is concluded that dipyridamole echocardiography testing is as accurate as exercise thallium testing for the noninvasive detection of severe restenosis in patients with exercise-induced asymptomatic ST-segment depression after successful angioplasty. Furthermore, the site, extent and severity of the thallium perfusion defects during exercise are correlated to those of the dyssynergy during dipyridamole echocardiography.
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U2 - 10.1016/0002-9149(93)90572-T
DO - 10.1016/0002-9149(93)90572-T
M3 - Article
C2 - 8475868
AN - SCOPUS:0027214969
VL - 71
SP - 1052
EP - 1056
JO - American Journal of Cardiology
JF - American Journal of Cardiology
SN - 0002-9149
IS - 12
ER -