Vol. 47 | No. 1 | January-June 2019 Back

Open Access

Changes in Mitral Annular Displacement and Other Echocardiographic Parameters After TAVI: Philippine Experience

Alinaya Cordero, Ryan Mambulao, Joan Ava Kaye Tiu, Marlon Loquias, Sue Ann Locnen, Ofelia Valencia, Fabio Enrique Posas
Jun 2019 DOI 10.69944/pjc.6afb5f7857

Abstract

OBJECTIVE: The aim of this study was to describe the use of speckle-tracking echocardiography derived mitral annular displacement (STE-MAD) in the assessment of left ventricular (LV) systolic function in patients with severe aortic stenosis (AS) who underwent transcatheter aortic valve implantation (TAVI). 

METHODS: This was a retrospective case series that included patients with severely symptomatic AS who underwent TAVI who had baseline transthoracic 2D echocardiography (TTE) and one TTE study ≤ 30-day post-TAVI. In all patients who qualified, STE MAD was then measured in apical 4- and 2-chamber views.  

RESULTS: Out of 105 severely symptomatic AS patients who underwent TAVI, 33 patients fulfilled the inclusion criteria. Majority of included patients were male (64%). The average age was 77.15 ± 8.46 years. The most commonly implanted valves were the Lotus valve (39%), the CoreValve prosthesis (33%) and the CoreValve Evolut R prosthesis (28%). There were improvements in the STE-MAD measurements of post-TAVI patients, ranging from 1.433–2.384 mm and 1.935–2.845  mm in the 2C and 4C views, respectively. There was good interobserver and intraobserver  agreement in measurements pre- and post-TAVI. Two patients (6.1%) died and seven patients  (21.2%) experienced heart failure during the 30-day follow-up period. 

CONCLUSIONS: STE-MAD is useful in assessing improvements in systolic function in patients  with severe AS post-TAVI.

 

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