Comparison of speckle tracking echocardiography (STE) parameters with other 2-dimensional echocardiographic ones in patients before and after cardiac resynchronization therapy (CRT) device implantation

https://doi.org/10.52322/jocmbmh.12.en.0111

ABSTRACT

Objective: We compare the parameters measured by Speckle tracking echocardiography (STE) in patients before and after cardiac resynchronization therapy (CRT) implantation with those by certain 2D-echocardiographic techniques.

Methods: Data were prospectively collected from 33 patients with severe heart failure (left ventricular ejection fraction (LVEF) ≤ 35%), who were indicated for CRT at Vietnam National Heart Institute - Bach Mai Hospital. Echocardiography was performed before and at 3 months of follow-up after CRT implantation.

Results: The mean age of our study participants was 60 years old, and 30.3% of patients had an early response to CRT during the first three months of follow-up (LVEF increased ≥ 10%). In the group of early responders, the mean QRS duration before CRT implantation was 133±6.3 msec, as opposed to 111.5±4.7 msec at 3 months of follow-up. Meanwhile, the figures in the non-responder group were 134.3±4.1 msec and 112.0 ±4.2 msec, correspondingly. Patients with an early response to CRT had a greater reduction in left ventricular end-systolic volume (LVEDV) compared with that in the non-responder group (25.3% vs. 13.15%). Regarding STE parameters, E/A and E/e’ decreased, while e’, a’, and s’ increased in all patients who underwent CRT implantation, and there was no statistically significant difference between the two groups (p>0.05). There was no correlation between STE parameters and the improvement of left ventricular systolic function.

Conclusions: The rate of early response to CRT within the first 3 months of follow-up was 30.3%. The STE parameters, namely E/A, E/e’, e’, a’, and s’, significantly improved before and 3 months after CRT implantation. However, there was no difference between the two groups.

Keywords: Speckle tracking echocardiography (STE), heart failure, cardiac resynchronization (CRT)

 

Citations:

APA: Hoang Thi Phu Bang, Vien Hoang Long, Nguyen Viet Dung, Nguyen Duy Linh, Nguyen Duy Tuan, Do Doan Loi, & Truong Thanh Huong. (2023). Comparison of speckle tracking echocardiography (STE) parameters with other 2-dimensional echocardiographic ones in patients before and after cardiac resynchronization therapy (CRT) device implantation. Journal of Clinical Medicine, 1(12), 75-80.

AMA: Bang HTP, Long VH, Dung NV, et al. Comparison of speckle tracking echocardiography (STE) parameters with other 2-dimensional echocardiographic ones in patients before and after cardiac resynchronization therapy (CRT) device implantation. J Clin Med. 2023;1(12):75-80.

MLA: Bang, Hoang Thi Phu, et al. "Comparison of Speckle Tracking Echocardiography (STE) Parameters with Other 2-dimensional Echocardiographic Ones in Patients Before and After Cardiac Resynchronization Therapy (CRT) Device Implantation." Journal of Clinical Medicine, vol. 1, no. 12, 2023, pp. 75-80.

Vancouver: Bang HTP, Long VH, Dung NV, et al. Comparison of speckle tracking echocardiography (STE) parameters with other 2-dimensional echocardiographic ones in patients before and after cardiac resynchronization therapy (CRT) device implantation. J Clin Med. 2023;1(12):75-80.

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