Detection and quantification of recent myocardial infarction: diagnostic value of multiecho multislice spin echo imaging.
Thirty-four patients with documented transmural MI were studied with gated three echo, multislice MR imaging. In 12 patients MRI MI size was compared with CK release measurement, Tl-201 SPECT defect, and with Tc-99m LVEF. Infarct was visualised in 29/34 patients on 3rd echo images (18/34 on 2nd and 6/34 on 1st echo images). Mean MR infarct size (planimetered from 3rd echo images): 33.1 +/- 9% overestimated the SPECT defect (mean value of 23.8 +/- 15%). However, the overall correlation between MRI and Tl-201 sizing was significant: r = 0.82; p less than 0.001; SEE = 5.5%. The correlation with LVEF also appeared significant: r = -0.61; p less than 0.038.
Kastler
B
B
Radiologie B, Hôpital central, Hospitalo-Universitaire de Strasbourg, France.
Germain
P
P
Roul
G
G
Constantinesco
A
A
Dietemmen
J L
JL
Sacrez
A
A
Wackenheim
A
A
D000328:Adult; D003402:Creatine Kinase / Q000378:metabolism; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000201:enzymology; D009206:Myocardium / Q000473:pathology; D012016:Reference Values; D013318:Stroke Volume / Q000502:physiology; D013667:Technetium; D013794:Thallium Radioisotopes; D015899:Tomography, Emission-Computed, Single-Photon
D013794:Thallium Radioisotopes; D013667:Technetium; D003402:Creatine Kinase