Concurrent Carotid Inflammation in Acute Coronary Syndrome as Assessed by 18F-FDG PET/CT: A Possible Mechanistic Link for Ischemic Stroke

Sunwon Kim, Sinae Lee, Ji Bak Kim, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Seung-Woon Rha, Chang Gyu Park, Dong Joo Oh, Hongki Yoo, Jin Won Kim

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background Patients with acute coronary syndrome (ACS) are prone to ischemic stroke (IS) especially during the early phase. ACS patients are more likely to have concurrent complex carotid plaques which, when destabilized, may serve as a source of distal embolism. This study investigated whether inflammatory activity in carotid artery was increased in ACS survivors compared to chronic stable angina (CSA) patients. Methods We prospectively enrolled 74 patients with ACS or CSA (39 ACS patients versus 35 CSA patients), and fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) was performed within 1 week after diagnosis. Carotid PET signal was quantified as standardized uptake value (SUV) and target-to-background ratio (TBR, carotid SUV/jugular venous SUV). Results Baseline characteristics were similar between groups. TBRs and SUVs were significantly higher in the carotid arteries of ACS patients than those of CSA patients (P

Original languageEnglish
Pages (from-to)2547-2554
Number of pages8
JournalJournal of Stroke and Cerebrovascular Diseases
Volume24
Issue number11
DOIs
Publication statusPublished - 2015 Nov 1

Keywords

  • acute coronary syndrome
  • arterial inflammation
  • Atherosclerosis
  • PET/CT
  • unstable plaque

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery
  • Rehabilitation
  • Cardiology and Cardiovascular Medicine

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