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Myocardial perfusion imaging following percutaneous coronary intervention

the importance of restenosis, disease progression, and directed reintervention

^* Division of Cardiology, Department of Medicine, College of Physicians and Surgeons of Columbia University, New York, New York, USA

View larger version (43K): [in a new window]   Figure 1 Treatment algorithm following percutaneous coronary intervention (PCI). If patients undergo repeat PCI, they are treated as though it was their first intervention. If repeat coronary angiography shows no evidence of restenosis or progression of disease elsewhere, patients should have clinical follow-up and undergo single-photon emission computed tomography myocardial perfusion imaging (SPECT MPI) in two years. If patients develop chest pain, they should undergo SPECT MPI if unstable angina is not present and coronary angiography if pain is accompanied by electrocardiographic changes or release of cardiac enzymes. *Increased risk of restenosis (see Table 2); no factors listed in Table 2 present. CABG = coronary artery bypass grafting.