Abstract:
BACKGROUND:The findings of our recent study entitled, "Japanese Assessment of Cardiac Events and Survival Study by Quantitative Gated SPECT (J-ACCESS)" showed that myocardial perfusion single photon emission computed tomography (MPS) can detect coronary artery disease (CAD) and help to predict future cardiac events in patients with suspected or extant CAD. However, the extent of the benefit conferred by percutaneous coronary intervention (PCI) as an initial management strategy compared with optimal medical therapy remains controversial. Little evidence supports the notion that myocardial ischemia identified using MPS is an alternative target of coronary revascularization to reduce the likelihood of developing cardiac events. METHODS:The multicenter, prospective cohort J-ACCESS 4 study aims to clarify the prognostic impact of reducing myocardial ischemia determined using electrocardiogram-gated MPS in Japanese patients with coronary artery disease. We started to register patients in J-ACCESS 4 at 74 facilities during June 2012 and will continue to do so until December 2013 or until the cohort comprises 500 patients who will participate in the study from one month before, until two months after stress/rest MPS assessment. Imaging data, the background of the patients including coronary risk factors and treatment before MPS assessments will be analyzed. The patients will undergo coronary revascularization within two months after MPS and/or receive appropriate medical therapy. The second stress/rest MPS will be performed from 4 to 10 months after coronary revascularization or registration. They will be followed up for over one year after the second MPS assessment. The primary endpoints will be cardiac death, sudden death of unknown cause, non-fatal myocardial infarction, and hospitalization for heart failure. The secondary endpoints will comprise death due to all causes including non-cardiac death and any cardiovascular events. This study will be completed in 2015. Here, we describe the design of the J-ACCESS 4 study.
journal_name
J Cardioljournal_title
Journal of cardiologyauthors
Nanasato M,Nakajima K,Fujita H,Zen K,Kohsaka S,Hashimoto A,Moroi M,Fukuzawa S,Chikamori T,Nishimura S,Yamashina A,Kusuoka H,Hirayama A,Nishimura Tdoi
10.1016/j.jjcc.2013.07.006subject
Has Abstractpub_date
2014-02-01 00:00:00pages
159-64issue
2eissn
0914-5087issn
1876-4738pii
S0914-5087(13)00231-1journal_volume
63pub_type
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