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Characteristics of Culprit Lesion and Changes in Plaque Composition. A Dual Energy Cardiac CT Study (S-20130009)

O

Odense University Hospital

Status

Unknown

Conditions

Coronary Arteriosclerosis

Treatments

Radiation: Cardiac CT

Study type

Observational

Funder types

Other

Identifiers

NCT02639962
Challenge

Details and patient eligibility

About

Identifying patients who are at risk for a future myocardial infarction, is still one of the biggest challenges in cardiology.

In this study the investigators will investigate culprit lesion in patients with NSTEMI and the ability of cardiac CT with dual energy computed tomography (DECT) scanning to describe and identify plaques that may be vulnerable. The investigators will also describe changes in characteristic in both stable and unstable plaques during 1 year follow up of NSTEMI and a matching group of stable angina pectoris (SAP) patients.

Full description

Patients with verified NSTEMI undergo contrast-enhanced coronary DECT before conventional coronary angiography (CAG), and DECT characteristics of the culprit lesion will be determined. All Non-culprit lesions will be observed during 2 month and 1 year follow up characteristics and changes in plaque composition, volume and core content will be assessed.

Patients with SAP undergo a baseline DECT similar to NSTEMI group. Because the expected change in coronary plaques in SAP group is minimal, there is no need for follow up at 2 month.

Enrollment

135 estimated patients

Sex

All

Ages

18 to 90 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients with NSTEMI and scheduled to CAG or patients with SAP

Exclusion criteria

  • Not suitable to undergo CT with contrast agent:
  • Known allergy-like reactions to contrast or Claustrophobia
  • Atrial fibrillation or significant arrhythmia judged to potentially limit quality of CT
  • Known renal failure/insufficiency or s-creatinin> 140 µmol/L.
  • Severe/symptomatic thyrotoxicosis
  • pacemaker

Trial design

135 participants in 2 patient groups

NSTEMI
Description:
patients hospitalized with NSTEMI diagnosed according to the national Danish guidelines, and are scheduled to coronary angiography.
Treatment:
Radiation: Cardiac CT
patients with stable angina pectoris
Description:
Patients in this group have stable angina symptoms and had verified plaques by earlier CAG or Cardiac CT
Treatment:
Radiation: Cardiac CT

Trial contacts and locations

1

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Central trial contact

Jess Lambrechtsen, M.D; Hussam Sheta, M.D

Data sourced from clinicaltrials.gov

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