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CC BY 4.0 · Thorac Cardiovasc Surg 2025; 73(S 03): e21-e30
DOI: 10.1055/a-2531-3126
Pediatric and Congenital Cardiology

Anatomical Left Superior Vena Cava Correction: An Option for Left Ventricular Recruitment?

Frederike Bieling 
1   Department of Pediatric Surgery, Friedrich-Alexander-University Erlangen/Nürnberg, University Hospital Erlangen, Erlangen, Germany
,
Robert A. Cesnjevar 
2   Department of Pediatric Cardiac Surgery, University Children's Hospital Zurich—Eleonorenstiftung, Zurich, Switzerland
,
Michela Cuomo 
3   Department of Pediatric Cardiac Surgery, Friedrich-Alexander-University Erlangen/Nürnberg, University Hospital Erlangen, Erlangen, Germany
,
Annika Weigelt 
4   Department of Pediatric Cardiology, Friedrich-Alexander-University Erlangen/Nürnberg, University Hospital Erlangen, Erlangen, Germany
,
Sven Dittrich 
4   Department of Pediatric Cardiology, Friedrich-Alexander-University Erlangen/Nürnberg, University Hospital Erlangen, Erlangen, Germany
,
Ariawan Purbojo 
3   Department of Pediatric Cardiac Surgery, Friedrich-Alexander-University Erlangen/Nürnberg, University Hospital Erlangen, Erlangen, Germany
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Abstract

Background

Left superior vena cava (LSVC)-related obstruction of mitral inflow is a rare condition in patients with complex cardiac anomalies like hypoplastic left heart complex. We report on the impact of establishing LSVC to right superior vena cava (RSVC) continuity on the growth of borderline hypoplastic left ventricular structures as an addendum to our previously published work.

Methods

Twenty-two patients underwent LSVC to RSVC anastomosis, whereas six had LSVC ligation (n = 4) or clip closure (n = 2), all alongside congenital heart defect correction. The indication was LSVC-related obstruction of left ventricular inflow due to a dilated coronary sinus. Clinical data were systematically reviewed, with regular follow-up. Left ventricular end diastolic diameters (LVEDD), aortic valve diameters, and left ventricular outflow tract (LVOT) diameters were recorded using echocardiography.

Results

Follow-up showed 90% survival at 3.3 ± 0.4 years. Mean LVEDD Z-scores improved from −2.19 ± 0.35 to −1.24 ± 0.26 after repair (p < 0.01) and to −1.33 ± 0.56 at 6-month follow-up. In patients without mitral repair, LVEDD Z-scores improved from −2.11 ± 0.62 preoperatively to −1.85 ± 0.88 postoperatively (p < 0.05). LVOT Z-scores increased from −2.49 ± 0.48 to −0.87 ± 0.75 (p < 0.05) and aortic valve Z-scores improved from −1.08 ± 0.57 to 0.5 ± 0.39 over 24 months (p < 0.05).

Conclusion

Anatomical LSVC correction may improve left ventricular filling and growth of the left ventricle, aortic valve, and LVOT in patients with borderline left ventricles and could be considered without as a potential recruitment strategy.

Keywords

aortic valve and root - cardiac anatomy/pathological anatomy - congenital heart disease - echocardiography (all modalities, applications) - anatomy - aorta/aortic

Note

The manuscript was previously submitted to and reviewed by European Association for Cardio-Thoracic Surgery (EACTS). Additionally, we confirm that the manuscript was presented at the EACTS meeting in Barcelona on October 15, 2021.




Publikationsverlauf

Eingereicht: 25. September 2024

Angenommen: 08. Januar 2025

Artikel online veröffentlicht:
28. März 2025

© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

Georg Thieme Verlag KG
Oswald-Hesse-Straße 50, 70469 Stuttgart, Germany

 

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