January 1, 2009Journal of Cardiovascular Magnetic ResonanceOpen Access

Improved accuracy in flow mapping of congenital heart disease using stationary phantom technique

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Why the study?

Does stationary phantom correction improve the accuracy of CMR flow mapping in patients with congenital heart disease?

Population

31 patients with congenital heart disease, median age 23 years.

Comparison

Cardiovascular magnetic resonance phase velocity… vs Cardiovascular magnetic resonance phase velocity…

Design

Cross-sectional, Retrospective review was blinded to initial technical and…

Authors

TMThomas A. MillerImperial College London ALAndrew LandesMaine Medical Center AMAdrian M. MoranAurora St. Luke's Medical Center

Discussion

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Implication

Phantom correction may prevent shunt misclassification on congenital CMR; leaves open whether routine use improves outcomes.

Structured PICO

Does stationary phantom correction improve the accuracy of CMR flow mapping in patients with congenital heart disease?

Population

31 patients with congenital heart disease (repaired Tetralogy of Fallot, bicuspid aortic valves, or atrial level shunting from ASD/PAPVR), median age 23 years (range 1-77).

Intervention

Cardiovascular magnetic resonance (CMR) phase velocity flow mapping with stationary phantom correction

Comparator

Cardiovascular magnetic resonance (CMR) phase velocity flow mapping without stationary phantom correction

Outcome

Variation in stroke volume (SV), cardiac output (CO), Qp:Qs ratio, and regurgitant fractionsurrogate

Stationary phantom correction during CMR flow mapping significantly alters the clinical classification of shunts and regurgitant fractions in patients with congenital heart disease, highlighting the need to correct for background flow errors.

Limitations

Lack of a third, validated standard to compare flow mapping with and without phantom correction
Two magnets used were from a single vendor
Small study size

Cite This Study

Miller et al. (2009) studied this question.

synapsesocial.com/papers/6a90a6c85fbc494f8db68957 https://doi.org/10.1186/1532-429x-11-52

Topics

Cardiac MRI Congenital heart disease adults

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Improved accuracy in flow mapping of congenital heart disease using stationary phantom technique

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Topics

Improved accuracy in flow mapping of congenital heart disease using stationary phantom technique

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

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