PMID- 21593086 OWN - NLM STAT- MEDLINE DCOM- 20111230 LR - 20161125 IS - 1477-111X (Electronic) IS - 0267-6591 (Linking) VI - 26 IP - 5 DP - 2011 Sep TI - Scintigraphic parameters with emphasis on perfusion appraisal in rest 99mTc-sestamibi SPECT in the recovery of myocardial function after thrombolytic therapy in patients with ST elevation myocardial infarction (STEMI). PG - 394-9 LID - 10.1177/0267659111409970 [doi] AB - INTRODUCTION: This study was performed to determine the clinical application of rest 99mTc-sestamibi in the assessment of viability and functional improvement of the left ventricle (LV) myocardium in the post-thrombolytic therapy of acute myocardial infarction (AMI). MATERIAL AND METHODS: In 37 patients with AMI who received thrombolytic therapy, 2-dimensional (2D) echocardiography, as well as the resting redistribution of 99mTc-sestamibi, was investigated, both within 1 week and 3-5 months after AMI. The predictive capacity of the perfusion percentage for myocardial function recovery was evaluated. Also, the capacities of the possible variables in the prediction of recovery of myocardial function resulting from a change in LV ejection fraction (EF) were evaluated using stepwise multiple regression analysis. RESULTS: Thirty-seven patients (30 men and 7 women; mean age: 58+/-14 years) with AMI were enrolled in the study. Redistribution was observed in 35 and 50 segments of the initial and follow-up scans, respectively. In addition, 146 segments with reverse redistribution (RR), both in the initial scan (118 segments) and the follow-up scan (86 segments), were also observed. An apparent difference in wall motion scores was seen between the initial and follow-up echocardiographs (p<0.001). Furthermore, using the optimal cut-off point of perfusion percentage in each image set, sensitivity as well as specificity and likelihood ratio (LR) for the improvement of regional wall motion after 3-5 months were defined. CONCLUSION: These data showed that redistribution and reverse redistribution of 99mTc-sestamibi post thrombolytic therapy can be used as a marker of viability to predict the recovery of segmental wall motion abnormality (stunning), as well as the improvement of segmental perfusion uptake. This study also demonstrates that the resting 99mTc-sestamibi SPECT can be used for an approximate assessment of LV function status and can predict the recovery of jeopardized myocardium function after thrombolytic therapy. FAU - Javadi, H AU - Javadi H AD - Golestan Research Center of Gastroenterology and Hepatology (GRCGH), Golestan University of Medical Sciences (GUOMS), Gorgan, Iran. FAU - Porpiranfar, M A AU - Porpiranfar MA FAU - Semnani, S AU - Semnani S FAU - Jallalat, S AU - Jallalat S FAU - Yavari, P AU - Yavari P FAU - Mogharrabi, M AU - Mogharrabi M FAU - Hooman, A AU - Hooman A FAU - Amini, A AU - Amini A FAU - Barekat, M AU - Barekat M FAU - Iranpour, D AU - Iranpour D FAU - Seyedabadi, M AU - Seyedabadi M FAU - Assadi, M AU - Assadi M FAU - Asli, I N AU - Asli IN LA - eng PT - Journal Article DEP - 20110518 PL - England TA - Perfusion JT - Perfusion JID - 8700166 RN - 0 (Radiopharmaceuticals) RN - 971Z4W1S09 (Technetium Tc 99m Sestamibi) SB - IM MH - Adult MH - Aged MH - Cardiac-Gated Single-Photon Emission Computer-Assisted Tomography/*methods MH - Echocardiography/methods MH - Female MH - *Heart Ventricles/diagnostic imaging/physiopathology MH - Humans MH - Male MH - Middle Aged MH - *Myocardial Infarction/diagnostic imaging/physiopathology/therapy MH - Radiography MH - Radiopharmaceuticals/*administration & dosage MH - Recovery of Function MH - Technetium Tc 99m Sestamibi/*administration & dosage MH - *Thrombolytic Therapy MH - Ventricular Function, Left EDAT- 2011/05/20 06:00 MHDA- 2011/12/31 06:00 CRDT- 2011/05/20 06:00 PHST- 2011/05/20 06:00 [entrez] PHST- 2011/05/20 06:00 [pubmed] PHST- 2011/12/31 06:00 [medline] AID - 0267659111409970 [pii] AID - 10.1177/0267659111409970 [doi] PST - ppublish SO - Perfusion. 2011 Sep;26(5):394-9. doi: 10.1177/0267659111409970. Epub 2011 May 18.