Bennett, S, Tafuro, J, Duckett, S, Heatlie, G, Patwala, A, Barker, D, Cubukcu, A, Ahmed, F and Kwok, CS ORCID: https://orcid.org/0000-0001-7047-1586 (2022) Septal Flash as a Predictor of Cardiac Resynchronization Therapy Response: A Systematic Review and Meta-Analysis. Journal of Cardiovascular Echography, 31 (4). 198 - 198.

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Abstract

Cardiac resynchronization therapy (CRT) in heart failure patients has been shown to improve patient outcomesin some but not all patients. A few studies have identified that septal flash on imaging is associated with response to CRT, but there has yet to be systematic review to evaluate the consistency of the finding across the literature. A search of MEDLINE and EMBASE was conducted to identify studies, which evaluate septal flash and its association with CRT response. Studies that met the inclusion criteria were statistically pooled with random‑effects meta‑analysis and heterogeneity was assessed using the I 2 statistic. A total of nine studies were included with 2307 participants (mean age 76 years, 67% male). Septal flash on imaging before CRT implantation was seen in 53% of patients and the proportion of CRT responders from the included studies varied from 52% to 77%. In patients who were CRT responders, septal flash was seen in 40% of patients compared to 10% in those deemed to be CRT nonresponders. Meta‑analysis of eight of the nine included studies suggests that the presence of septal flash at preimplant was associated with an increased likelihood of CRT response (relative risk 2.55 95% confidence interval 2.04–3.19, P < 0.001, I 2 = 51%). Septal flash was also reported to be associated with left ventricular reverse remodeling, but the association with survival and symptomatic improvement was less clear. Septal flash is a well‑defined and distinctive contraction pattern that is easily recognizable on cardiac imaging. Septal flash may be associated with CRT response and should be evaluated in the patients that are considered for CRT devices.

Item Type: Article
Additional Information: The final version of this article and all relevant information related to it, including copyrights, can be found on the publisher website at; https://www.jcecho.org/article.asp?issn=2211-4122;year=2021;volume=31;issue=4;spage=198;epage=206;aulast=Bennett
Subjects: R Medicine > R Medicine (General)
R Medicine > R Medicine (General) > R735 Medical education. Medical schools. Research
R Medicine > RA Public aspects of medicine
R Medicine > RC Internal medicine > RC666 Diseases of the circulatory (Cardiovascular) system
Divisions: Faculty of Medicine and Health Sciences > School of Medicine
Depositing User: Symplectic
Date Deposited: 17 Feb 2022 12:53
Last Modified: 17 Feb 2022 12:53
URI: https://eprints.keele.ac.uk/id/eprint/10628

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