Journal of Nuclear Cardiology

, Volume 25, Issue 2, pp 496–505 | Cite as

Assessment of the fate of myocardial necrosis by serial myocardial perfusion imaging

  • Francesco Nudi
  • Natale Di Belardino
  • Annamaria Pinto
  • Enrica Procaccini
  • Giandomenico Neri
  • Orazio Schillaci
  • Fabrizio Tomai
  • Giacomo Frati
  • Giuseppe Biondi-Zoccai
Original Article

Abstract

Background

Myocardial necrosis after myocardial infarction (MI) is common; extent and severity are however variable. The pattern is recognized by myocardial perfusion imaging (MPI) as fixed perfusion defects (FPD). The fate of such FPD is not well appraised. This study addressed this important issue in a large number of patients undergoing serial MPI in relation to type of intervening therapy.

Methods

Patients with prior MI or MPI-evidence of myocardial necrosis undergoing serial MPI without intervening acute coronary syndromes were included. The fate of necrosis by MPI on per-patient and per-region analysis was analyzed, factoring also the impact of intervening coronary revascularization (CR).

Results

A total of 3691 patients with 25,837 regions were identified, including 1413 (38.3%) subjects with 3358 (13.0%) regions exhibiting necrosis. Serial MPI after 29±21 months confirmed the persistent presence of myocardial necrosis FPD in the vast majority of patients and regions (86%); the consistency was even higher in the presence of moderate or severe necrosis (99%). Neither type nor site of CR significantly impacted on the presence and extent of myocardial necrosis at multivariable analysis.

Conclusions

The finding of myocardial necrosis by MPI remains highly consistent over time, and is not significantly altered by CR.

Keywords

Coronary artery disease myocardial infarction myocardial necrosis myocardial perfusion imaging 

Abbreviations

ACS

Acute coronary syndromes

CABG

Coronary artery bypass grafting

CAD

Coronary artery disease

CR

Coronary revascularization

LAD

Left anterior descending

LV

Left ventricle

LVEF

Left ventricular ejection fraction

MI

Myocardial infarction

MPI

Myocardial perfusion imaging

PCI

Percutaneous coronary intervention

Notes

Acknowledgements

This work was supported by Etisan, Rome, Italy.

Supplementary material

12350_2016_751_MOESM1_ESM.docx (45 kb)
Supplementary material 1 (DOCX 44 kb)

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Copyright information

© American Society of Nuclear Cardiology 2017

Authors and Affiliations

  • Francesco Nudi
    • 1
    • 2
  • Natale Di Belardino
    • 3
  • Annamaria Pinto
    • 1
    • 4
  • Enrica Procaccini
    • 1
    • 4
  • Giandomenico Neri
    • 1
    • 4
  • Orazio Schillaci
    • 5
  • Fabrizio Tomai
    • 6
  • Giacomo Frati
    • 7
    • 8
  • Giuseppe Biondi-Zoccai
    • 7
    • 8
  1. 1.Service of Nuclear CardiologyMadonna della Fiducia ClinicRomeItaly
  2. 2.ETISANRomeItaly
  3. 3.Division of CardiologyAnzio-Nettuno HospitalAnzioItaly
  4. 4.Service of Anatomo Functional Cardio ImagingOstia RadiologicaRomeItaly
  5. 5.Department of Nuclear MedicineTor Vergata University of RomeRomeItaly
  6. 6.Division of CardiologyEuropean HospitalRomeItaly
  7. 7.Department of Medico-Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
  8. 8.Department of AngioCardioNeurologyIRCCS NeuromedPozzilliItaly

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