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Detection of a coronary arterial thrombus by indium-111-oxine-labeled platelet scintigraphy

K Takahashi1, M Ohyanagi, J Tateishi

  • 1First Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan. keiko@hyo-med.ac.jp

Annals of Nuclear Medicine
|May 18, 2001
PubMed

Insights

A patient experienced chest pain after coronary artery stenting due to suspected thrombus formation. Indium-111 platelet scintigraphy confirmed thrombus accumulation at the stent site, highlighting a potential complication of coronary stenting.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Nuclear Cardiology

Background:

  • Coronary artery disease management often involves percutaneous coronary intervention (PCI) with stenting.
  • Myocardial infarction survivors require careful monitoring for post-procedural complications.

Observation:

  • A 72-year-old male with myocardial infarction history presented with significant left anterior descending coronary artery stenosis.
  • Following successful stenting, the patient developed acute chest pain within 12 hours.

Findings:

  • Emergent coronary arteriography ruled out in-stent restenosis or new occlusions.
  • Indium-111-oxine-labeled platelet scintigraphy revealed localized tracer accumulation at the stent site, suggesting coronary thrombus formation.

Implications:

  • Early coronary thrombus formation is a potential complication after coronary stenting.
  • Platelet scintigraphy can be a valuable tool in diagnosing stent-related thrombus when other methods are inconclusive.
  • This finding underscores the importance of vigilant monitoring for thrombotic events post-stenting.

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