What question did this study set out to answer?

To evaluate the feasibility and accuracy of nuclear magnetic resonance velocity mapping for noninvasively quantifying pulmonary regurgitation volume after surgical repair of tetralogy of Fallot.

November 1, 1993CirculationOpen Access

Pulmonary regurgitation in the late postoperative follow-up of tetralogy of Fallot. Volumetric quantitation by nuclear magnetic resonance velocity mapping.

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Authors

SRSidney A. RebergenMedisch Centrum Haaglanden JCJ G ChinLeiden University JOJaap OttenkampAmsterdam UMC Location University of Amsterdam

Discussion

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Implication

Validation study demonstrates accurate volumetric quantification of pulmonary regurgitation in postoperative tetralogy of Fallot, indicating noninvasive clinical utility.

Key Points

To evaluate the feasibility and accuracy of nuclear magnetic resonance velocity mapping for noninvasively quantifying pulmonary regurgitation volume after surgical repair of tetralogy of Fallot.
Evaluated 18 patients (mean age, 16.5 ± 6.5 years) late after surgical repair (mean follow-up duration, 12.6 ± 5.2 years).
Measured forward and regurgitant volume flow in the main pulmonary artery with nuclear magnetic resonance velocity mapping, validating values against multisection gradient echo ventricular stroke volumes.
Pulmonary regurgitation volume by velocity mapping corresponded closely with tomographically determined ventricular volume differences (r = .93), and forward pulmonary flow matched right ventricular stroke volume (r = .98).
Pulmonary regurgitation volume correlated significantly with right ventricular end-diastolic volume (r = .82, P < .0005), end-systolic volume (r = .63, P < .01), and stroke volume (r = .89, P < .0005), but not with ejection fraction (r = .41, P = NS).

Cite This Study

Rebergen et al. (1993) studied this question.

synapsesocial.com/papers/6a159b6179ff98d0de4ee162 https://doi.org/10.1161/01.cir.88.5.2257

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Implication

Validation study demonstrates accurate volumetric quantification of pulmonary regurgitation in postoperative tetralogy of Fallot, indicating noninvasive clinical utility.

Pulmonary regurgitation in the late postoperative follow-up of tetralogy of Fallot. Volumetric quantitation by nuclear magnetic resonance velocity mapping.

Discussion

Member takes

Implication

Key Points

Cite This Study

Pulmonary regurgitation in the late postoperative follow-up of tetralogy of Fallot. Volumetric quantitation by nuclear magnetic resonance velocity mapping.

Discussion

Member takes

Implication

Key Points

Cite This Study

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