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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

1
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Related Experiment Video

Updated: Jun 4, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Selecting the optimal candidates for percutaneous mitral valvuloplasty using multi-modality imaging.

Hee Jeong Lee1, Na Young Kim2, Dae-Young Kim3

  • 1Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Keimyung University School of Medicine, Daegu, South Korea.

European Heart Journal. Cardiovascular Imaging
|December 31, 2024
PubMed
Summary

Cardiac CT provides a more accurate Wilkins score than echocardiography for predicting percutaneous mitral valvuloplasty success in rheumatic mitral stenosis patients. CT can identify high-risk individuals for better procedural outcomes.

Keywords:
computed tomographyechocardiographymitral stenosispercutaneous mitral valvuloplasty

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Rheumatic mitral stenosis (MS) is a significant cause of cardiovascular morbidity.
  • Percutaneous mitral valvuloplasty (PMV) is a treatment option for selected MS patients.
  • Accurate assessment of mitral valve calcification is crucial for PMV success.

Purpose of the Study:

  • To compare Wilkins scores derived from echocardiography (echo) and cardiac computed tomography (CT).
  • To evaluate the added benefit of CT in predicting PMV outcomes in rheumatic MS patients.
  • To assess the impact of CT-based reclassification on patient selection and procedural success.

Main Methods:

  • A multicentre registry analysis included 96 patients with moderate MS eligible for PMV by echo Wilkins score (≤9).
  • Wilkins scores were measured using both echo and CT.
  • Procedural outcomes were defined as sub-optimal mitral valve area or new severe mitral regurgitation.

Main Results:

  • CT-derived Wilkins scores were significantly higher than echo-derived scores (8.0 ± 2.4 vs. 7.3 ± 1.2, P = 0.005).
  • Procedural success was achieved in 67.7% of patients.
  • Among patients with intermediate echo scores (7-9), 90% had high CT scores (≥9), associated with significantly higher rates of unsuccessful PMV (61.1% vs. 18.9%, P < 0.001).

Conclusions:

  • CT provides higher Wilkins scores than echo, particularly in the intermediate score group.
  • CT identifies a subgroup of patients at higher risk for unsuccessful PMV.
  • CT-based reclassification may improve patient selection and outcomes for PMV in rheumatic MS.