Key result
Balloon coronary testing fails to predict final valve position in ~36% of PPVI procedures.
Why the study?
Coronary compression has occurred after pulmonary valve implantation despite a negative balloon coronary test, calling the test's reliability and accuracy into question.
Does balloon coronary compression testing accurately predict final valve position during percutaneous pulmonary valve implantation?
Population
36 patients undergoing pulmonary valve implantation with suitable imaging from an initial cohort of 84
Design
Retrospective chart review
Authors
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May overestimate coronary compression risk during PPVI; leaves open validation of alternative predictors in prospective studies.
Observational (n=36)
Does balloon coronary compression testing accurately predict final valve position during percutaneous pulmonary valve implantation?
Balloon coronary testing during percutaneous pulmonary valve implantation may be inaccurate in predicting final valve position, potentially leading to a high false positive rate for coronary compression risk.
Morgan et al. (2021) conducted an observational in Percutaneous pulmonary valve implantation (n=36). Balloon coronary compression testing was evaluated on Inaccurate coronary balloon test (spatial disparity between the right ventricular outflow tract position defined by the inflated testing balloon and the eventual implanted valve position). Balloon coronary testing was classified as inaccurate in 36.1% of cases during percutaneous pulmonary valve implantation, indicating it may not accurately predict final valve position.
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