Cardiac magnetic resonance indices reflecting pulmonary regurgitation burden after tetralogy of Fallot repair.
Clin Radiol
; 72(10): 900.e9-900.e15, 2017 Oct.
Article
em En
| MEDLINE
| ID: mdl-28622796
ABSTRACT
AIM:
To investigate cardiac magnetic resonance (CMR)-derived parameters to determine a convenient index reflecting the degree of pulmonary regurgitation (PR) after Tetralogy of Fallot (TOF) repair. MATERIALS ANDMETHODS:
Sixty-three patients (age at CMR study, 23.6 [10.2-34.7] years, 55.6% male) underwent CMR after TOF repair. PR was quantified using ventricular stroke volume difference and phase-contrast mapping of the main pulmonary artery flow. In both approaches, the PRV index (PRVI) and the PR fraction (PRF) were calculated and correlated to the right ventricle end-diastolic volume index (RVEDVI) and the right ventricle end-systolic volume index (RVESVI).RESULTS:
No statistically significant difference was observed between the PR volumes and the PRF measured by the stroke volume difference or the phase-contrast method. The PRVI was better correlated to RVEDVI and RVESVI than the PRF.CONCLUSION:
The PRVI exhibits more correlation to the RVEDVI than PRF. Thus, it could be a preferable parameter to reflect the PR burden.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Complicações Pós-Operatórias
/
Insuficiência da Valva Pulmonar
/
Tetralogia de Fallot
/
Imageamento por Ressonância Magnética
Idioma:
En
Ano de publicação:
2017
Tipo de documento:
Article