Abstract
Objectives
We aimed to evaluate immediate and midterm cardiac remodeling after surgery by cardiac magnetic resonance (CMR) in Ebstein’s anomaly (EA), and also to investigate preoperative predictors of right ventricular (RV) normalization.
Methods
We retrospectively analyzed CMR parameters of the whole heart in adult patients with EA before surgery, at discharge and follow-up.
Results
A total of 26 patients were included and performed CMR at 7 days (interquartile range, 3–13 days) before surgery. Immediate postoperative CMR was finished at discharge (median: 8 [7–9] days; n = 18) and follow-up CMR at 187 days (interquartile range, 167–356 days; n = 17). RV and right atrial (RA) volumes promptly decreased immediately after surgery and at follow-up (all p < 0.05). RV ejection fraction decreased significantly at discharge (p < 0.05) but recovered at follow-up (p = 0.18). However, RV global longitudinal strain and RA reservoir strain were significantly impaired immediately and midterm after surgery (all p < 0.05). Indexed left ventricular (LV) end-diastolic volume, stroke volume, as well as global longitudinal strain increased from preoperative to follow-up (all p < 0.05). Patients who achieved normalization of RV volumes after surgery had smaller severity index and RV and RA volumes and higher LV ejection fraction and RA reservoir strain at baseline than patients without RV normalization (all p < 0.05).
Conclusions
Reverse biventricular remodeling took place in EA after tricuspid valve surgery. Tricuspid valve reconstruction should be performed before deterioration of RV volume overload and LV function to achieve reverse RV remodeling.
Key Points
• After removing the volume load of tricuspid regurgitation in Ebstein’s anomaly, reverse remodeling was detected by CMR in both left and right heart at midterm follow-up.
• Tricuspid valve reconstruction should be performed before deterioration of RV volume overload and LV function to achieve reverse RV remodeling.
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Abbreviations
- aRV:
-
Atrialized right ventricle
- CMR:
-
Cardiac magnetic resonance
- CMRs:
-
Cardiac magnetic resonance examinations
- GLS:
-
Global longitudinal strain
- IQR:
-
Interquartile range
- LA:
-
Left atria
- LV:
-
Left ventricular
- LVEDVi:
-
Indexed left ventricular end-diastolic volume
- LVSVi:
-
Indexed left ventricular stroke volume
- RA:
-
Right atria
- RV:
-
Right ventricle
- RVEDVi:
-
Indexed right ventricular end-diastolic volume
- RVEF:
-
Right ventricular ejection fraction
- RVESVi:
-
Indexed right ventricular end-systolic volume
- RVSVi:
-
Indexed right ventricular stroke volume
- SI:
-
Severity index
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Funding
The study was funded by the National Key Research and Development Program of China (2021YFF0501404, 2021YFF0501400) and National Natural Science Foundation of China (No. 81930044).
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The scientific guarantor of this publication is Shihua Zhao.
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Yu, S., Yang, K., Chen, X. et al. Cardiac remodeling after tricuspid valve repair in Ebstein’s anomaly: a magnetic resonance study. Eur Radiol 33, 2052–2061 (2023). https://doi.org/10.1007/s00330-022-09190-8
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DOI: https://doi.org/10.1007/s00330-022-09190-8