title: Analysis of right ventricular Doppler tissue imaging and load dependence in patients undergoing percutaneous closure of atrial septal defect.
abstract: In patients with volume overload due to atrial septal defect (ASD) and Doppler tissue imaging E'/A' <1 at baseline, right ventricular (RV) myocardial velocities show load independence after closure with a device. Conversely, in patients with ASD with basal E'/A' >1, regional velocities are load-dependent and positively correlate with RV dimension. Because RV Doppler tissue imaging velocities are still in the normal range 1 month after ASD closure, cardiac function does not seem to be affected by the presence of the occluder device.
authors.affiliation: Pediatric Cardiology, Second University of Naples, Monaldi Hospital, Naples, Italy. marcopascotta@hotmail.com
authors.forename: Marco
authors.initials: M
authors.lastname: Pascotto
authors.forename: Pio
authors.initials: P
authors.lastname: Caso
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Santoro
authors.forename: Ilaria
authors.initials: I
authors.lastname: Caso
authors.forename: Fabiana
authors.initials: F
authors.lastname: Cerrato
authors.forename: Carlo
authors.initials: C
authors.lastname: Pisacane
authors.forename: Antonello
authors.initials: A
authors.lastname: D'Andrea
authors.forename: Sergio
authors.initials: S
authors.lastname: Severino
authors.forename: Maria Giovanna
authors.initials: MG
authors.lastname: Russo
authors.forename: Raffaele
authors.initials: R
authors.lastname: Calabrò
mesh_terms: D000293:Adolescent; D000328:Adult; D001783:Blood Flow Velocity / Q000502:physiology; D006348:Cardiac Surgical Procedures; D002648:Child; D002675:Child, Preschool; D003326:Coronary Circulation / Q000502:physiology; D015150:Echocardiography, Doppler; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology* / Q000601:surgery*; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D007558:Italy; D015999:Multivariate Analysis; D013223:Statistics as Topic; D013318:Stroke Volume / Q000502:physiology; D016896:Treatment Outcome; D014261:Tricuspid Valve / Q000000981:diagnostic imaging; D016277:Ventricular Function, Left / Q000502:physiology; D016278:Ventricular Function, Right / Q000502:physiology*