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Impact of Surgery in Ebstein's Anomaly Using Current Surgical Criteria. | LitMetric

Background: In Ebstein's anomaly (EA) current surgical criteria may not translate into better long-term survival. The aim of this study was therefore to determine if surgical treatment for EA increases survival, and to analyze factors associated with mortality.Methods and Results:A retrospective study was carried out involving 103 patients with surgical indication using current criteria, comparing operated (n=49; 47.5%) and non-operated patients (n=54; 52.4%); the severity of disease was similar in all cases. Overall follow-up was 12 years (range, 1-49 years). There were no differences in mortality: in the surgical and non-surgical groups, survival at 10 years was 92.8% vs. 90.7%; 20 years, 85.7% vs. 81.0%; and 30 years, 78.5% vs. 72.2%, respectively. On multivariate analysis right ventricular fractional shortening (RVFS) was associated with mortality in both groups. Decreasing RVFS was associated with worse survival according to severity: when RVFS was <20%, survival at 20, 40 and 60 years was 58%, 39%, and 12.5%, respectively (P<0.0013). Left ventricular ejection fraction also correlated with survival (P<0.0013).

Conclusions: Surgery did not translate into benefit in terms of survival, and this was clearly associated with RV function; therefore this should be a key factor in the surgical decision making.

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Source
http://dx.doi.org/10.1253/circj.CJ-17-0062DOI Listing

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