PMID: 11606888Oct 19, 2001Paper

Reverse redistribution of 99m Tc-sestamibi after direct percutaneous transluminal coronary angioplasty in acute myocardial infarction: relationship with wall motion and functional response to dobutamine stimulation

Nuclear Medicine Communications
S FujiwaraK Fatema

Abstract

Reverse redistribution (RR) of 99mTc-sestamibi is observed after direct percutaneous transluminal coronary angioplasty (PTCA) in acute myocardial infarction (AMI). The purpose of this study was to clarify the functional characteristics of myocardial segments with RR after direct PTCA in AMI. Thirty patients with AMI who had undergone direct PTCA were examined. Myocardial perfusion tomography with 99mTc-sestamibi and low dose dobutamine echocardiography were performed within 2 weeks of the onset. The 99mTc-sestamibi images were obtained 1 and 3 h after tracer administration. The left ventricle was divided into nine segments, and regional 99mTc-sestamibi uptake and clearance were quantitatively evaluated in each segment. RR was defined as a decrease in 99mTc-sestamibi uptake of >10% on 3 h delayed images compared with the 1 h early images. The left ventricle in the echocardiographic images was also divided into nine segments corresponding to the scintigraphic images, and regional wall motion was assessed in the resting condition as the baseline and during dobutamine administration (5-10 microg x kg(-1) x min(-1)). Out of a total of 270 myocardial segments, 111 segments were perfused by the culprit coronary artery and were defined...Continue Reading

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Citations

Mar 18, 2005·Annals of Nuclear Medicine·Tokuo KasaiIrwin Sponder
Sep 16, 2003·Annals of Nuclear Medicine·Souichi OnoIsao Kubota
Mar 27, 2003·European Journal of Nuclear Medicine and Molecular Imaging·Theodoros Athanasoulis, Cherry A Zervas
Sep 14, 2010·Annals of Nuclear Medicine·Ryo Tanaka, Katuhiko Simada
Mar 28, 2007·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Shinro MatsuoMinoru Horie
Mar 2, 2011·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Yoshihiro J AkashiMaciej Banach
Jun 20, 2014·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Sachiko TakamineKen-ichi Hirata
Dec 17, 2010·World Journal of Cardiology·Shinro MatsuoSeigo Kinuya
Jul 9, 2002·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·M HohlriederE Schmutzhard
Aug 1, 2009·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Federica GiovanettiAndrea Stella

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