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Article Abstract
Background: The preoperative predictors of residual or recurrent tricuspid regurgitation (TR) after cone reconstruction (CR) remains unclear in patients with Ebstein anomaly (EA). We aimed to determine the predictive value of right ventricular longitudinal strain, assessed using cardiac magnetic resonance (CMR) imaging, for residual or recurrent TR after CR in patients with EA.
Methods: This single-centre, retrospective study analysed data from 48 patients with EA [mean ± standard deviation (SD), age, 35.0±13.6 years; 13 males] who underwent CMR before CR between January 2017 and February 2023. Two-dimensional colour Doppler echocardiography was performed before CR and mid-term (>6 months) after CR to evaluate the degree of TR in patients with EA. Thirty healthy volunteers served as controls. Univariate and multivariate logistic regression analyses were performed to identify CMR predictors of moderate or severe TR >6 months after CR.
Results: Mid-term postoperative results revealed severe, moderate, and mild TR in 8 (17%), 7 (15%), and 33 (69%) patients, respectively. For patients with EA and moderate or severe TR after CR, left ventricular global longitudinal strain (GLS), left ventricular ejection fraction, right ventricular global longitudinal strain (RVGLS), and right ventricular ejection fraction (RVEF) were significantly worse compared to patients with mild TR (all P<0.05). Multivariate logistic regression analyses revealed that RVGLS was independently associated with moderate or severe TR >6 months after CR [odds ratio (OR) 1.193, 95% confidence interval (CI): 1.025-1.388; P=0.02].
Conclusions: RVGLS was a significant predictor of moderate or severe TR >6 months after CR. This finding emphasizes that early and accurate measurement of RV function may help to identify patients at high risk for severe residual or recurrent TR.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384457 | PMC |
| http://dx.doi.org/10.21037/cdt-24-63 | DOI Listing |
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