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Mitral annular velocity by Doppler tissue imaging for the evaluation of atrial stunning after cardioversion of atrial fibrillation

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dc.creator Dogan, Abdullah
dc.creator GEDİKLİ, ÖMER
dc.creator Ozaydin, Mehmet
dc.creator Acar, Gurkan
dc.creator Avsar, Alaettin
dc.creator Altinbas, Ahmet
dc.date 2009-01-31T22:00:00Z
dc.date.accessioned 2020-10-06T09:24:58Z
dc.date.available 2020-10-06T09:24:58Z
dc.identifier 0f6426cb-f7a9-493b-bc89-4ae1901ff474
dc.identifier 10.1007/s10554-008-9360-y
dc.identifier https://avesis.sdu.edu.tr/publication/details/0f6426cb-f7a9-493b-bc89-4ae1901ff474/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/53406
dc.description Objective Atrial and/or appendage stunning (AS) usually occur after successful cardioversion of atrial fibrillation (AF). Several parameters except mitral annular velocity were previously evaluated to determine AS. We investigated whether mitral annular velocity was useful for determining of AS. Methods This study consisted of 52 consecutive patients with AF < 3 months who converted to the sinus rhythm. Mitral inflow and annular velocities were measured before and after cardioversion. Left atrial appendage (LAA) size and flow were assessed. The average velocity of septal and lateral segments of mitral annulus was considered as the final annular velocity. Thrombus and/or spontaneous echo contrast (SEC) were also investigated. Results Of 52 patients, 29 (56%) had AS but 23 did not. There was no significant difference in age, gender, and cardioversion type between two groups. Hypertension was more prevalent in patients without AS compared to those with AS (P = 0.02). Mitral annular systolic and E-wave velocities were comparable in both groups (P > 0.05). Mitral annular A-wave velocity (3.1 +/- A 2.9 vs. 7.1 +/- A 2.2 cm/s, P < 0.001), and its velocity-time integral (0.27 +/- A 0.22 vs. 0.74 +/- A 0.19 cm, P < 0.001) were significantly lower in patients with AS compared with those without AS. The annular A-wave velocity a parts per thousand currency sign3.3 cm/s predicted AS with a sensitivity of 59% and specificity of 76%. It was correlated with mitral inflow A velocity (r = 0.85, P < 0.001), LAA emptying velocity (r = 0.41, P = 0.003) and presence of SEC (r = -0.52, P < 0.001). Conclusion After cardioversion of AF, mitral annular A-wave velocity may be a new marker to determine AS.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Mitral annular velocity by Doppler tissue imaging for the evaluation of atrial stunning after cardioversion of atrial fibrillation
dc.type info:eu-repo/semantics/article


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