Non Invasive Imaging - COnnecting REpositories · 2017-02-05 · Non Invasive Imaging: Echo...
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Non Invasive Imaging A1097 JACC April 1, 2014 Volume 63, Issue 12 DETECTION OF LEFT ATRIAL AND LEFT ATRIAL APPENDAGE FUNCTIONAL RECOVERY FOLLOWING CARDIOVERSION IN PATIENTS WITH ATRIAL FIBRILLATION: SERIAL ECHOCARDIOGRAPHIC STUDY Poster Contributions Hall C Saturday, March 29, 2014, 3:45 p.m.-4:30 p.m. Session Title: Non Invasive Imaging: Advances in Echocardiography Abstract Category: 15. Non Invasive Imaging: Echo Presentation Number: 1138-57 Authors: Ahmed S. Ammar, Ebtesam I. El-Dosoky, Islam Elsherbiny, Khaled M. Abd Elsalam, Mohammed A. Abd El-Hamid, Zagazig University, Zagazig, Egypt Background: : The study aimed to point out timing of left atrium (LA) and its appendage (LAA) functional recovery after cardioversion(CV) in recent onset atrial fibrillation (AF). Methods: We enrolled 50 patients; 27 within 48-hours (group I) and 23 after 48-hours (group II), of AF onset, who had successful CV. Transthoracic echo (TTE), before and immediately after CV, then 15, 30 and 90 days later was done. Transesophageal echo (TEE) was performed before and immediately after CV and one month later for all patients. Mitral peak A wave velocity and LA reversal (Ar) velocity, Tissue Doppler imaging (TDI) was performed to record septal mitral annular velocity (A1), LA free wall velocity (A3) and LAA late emptying (LAALE) velocity. Absence or peak A velocity < 50 cm/sec. was taken as a cut off value for atrial stunning. Intra-atrial conduction time (IACT) was measured. Results: Post CV, all group II and 34% of group I experienced stunning. In both groups, peak A, Ar, A1, A3 and LAALE velocities increased (P= 0.000), while IACT decreased (P= 0.000) progressively overtime. Partial recovery occurred 15 and 30 days, while full recovery occurred 30 and 90 days post CV in group I and II respectively. Conclusions: Stunning and functional recovery of the LA and its appendage are strongly determined by the AF duration. Serial IACT by TDI was a good new parameter for detection of functional recovery of LA and LAA.
Transcript of Non Invasive Imaging - COnnecting REpositories · 2017-02-05 · Non Invasive Imaging: Echo...
Non Invasive Imaging
A1097JACC April 1, 2014
Volume 63, Issue 12
deTecTion of lefT aTrial and lefT aTrial appendage fUncTional recovery following cardioversion in paTienTs wiTh aTrial fiBrillaTion: serial echocardiographic sTUdy
Poster ContributionsHall CSaturday, March 29, 2014, 3:45 p.m.-4:30 p.m.
Session Title: Non Invasive Imaging: Advances in EchocardiographyAbstract Category: 15. Non Invasive Imaging: EchoPresentation Number: 1138-57
Authors: Ahmed S. Ammar, Ebtesam I. El-Dosoky, Islam Elsherbiny, Khaled M. Abd Elsalam, Mohammed A. Abd El-Hamid, Zagazig University, Zagazig, Egypt
Background: : The study aimed to point out timing of left atrium (LA) and its appendage (LAA) functional recovery after cardioversion(CV) in recent onset atrial fibrillation (AF).
Methods: We enrolled 50 patients; 27 within 48-hours (group I) and 23 after 48-hours (group II), of AF onset, who had successful CV. Transthoracic echo (TTE), before and immediately after CV, then 15, 30 and 90 days later was done. Transesophageal echo (TEE) was performed before and immediately after CV and one month later for all patients. Mitral peak A wave velocity and LA reversal (Ar) velocity, Tissue Doppler imaging (TDI) was performed to record septal mitral annular velocity (A1), LA free wall velocity (A3) and LAA late emptying (LAALE) velocity. Absence or peak A velocity <50 cm/sec. was taken as a cut off value for atrial stunning. Intra-atrial conduction time (IACT) was measured.
results: Post CV, all group II and 34% of group I experienced stunning. In both groups, peak A, Ar, A1, A3 and LAALE velocities increased (P= 0.000), while IACT decreased (P= 0.000) progressively overtime. Partial recovery occurred 15 and 30 days, while full recovery occurred 30 and 90 days post CV in group I and II respectively.
conclusions: Stunning and functional recovery of the LA and its appendage are strongly determined by the AF duration. Serial IACT by TDI was a good new parameter for detection of functional recovery of LA and LAA.
