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Medicine (Baltimore). 2017 Dec;96(52):e8727. doi: 10.1097/MD.0000000000008727.

The modified cone reconstruction in the treatment of Ebstein's anomaly: Case reports.

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Department of Cardiothoracic Surgery, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang.
The Secondary Ward of Thoracic Surgery, Shanxi Provincial Cancer Hospital.
Department of Cardiothoracic Surgery.
Department of Ultrasound, Shanxi Medical University Second Hospital, Taiyuan, Shanxi, People's Republic of China.



To investigate the early and mid-term clinical outcomes of the modified cone reconstruction in the treatment of Ebstein's anomaly (EA) which provide appropriate surgical treatment for clinical and reduce the incidence of re-operation and valve replacement.


Clinical data of 18 consecutive patients with EA in our hospital between May 2008 and August 2015 were analyzed retrospectively. All patients were diagnosed by echocardiography. Among these patients, according to New York Heart Association functional grade, there were 12 patients with grade II cardiac function and 6 patients with grade III. All patients had severe tricuspid regurgitation grade.


All patients were diagnosed EA. One case was with acute arterial embolism and amputation of left lower extremity caused by paradoxical embolism of combined secundum atrial septal defect.


The modified cone reconstruction in the treatment of EA of the tricuspid valve uses its own tissues to form not only central bloodstream, but also the coaption between 2 leaflets. For those patients whose anterior leaflet developed poor and smaller, the valve leaflet was widened by using autologous pericardial. For all patients, tricuspid annulus were reinforced by autologous pericardial. One case was combined with double-orifice technique due to postoperative poor closure of the tricuspid valve.


There were 2 cases with arrhythmia, and they returned to normal after medication. The rest patients recovered smoothly with no death. Review of echocardiography: 1 patient with moderate regurgitation, the rest of patients' leaflets coapted well and had no tricuspid stenosis. All cases were followed up postoperatively for 9 to 38 months, and there were 14 patients with grade I cardiac function and 4 patients with grade II.


The early and mid-term clinical outcomes of the modified cone reconstruction in the treatment of EA were which can make leaflets coapt and had a strong antiregurgitation ability, reducing the incidence of re-operation, valve replacement, and postoperative mortality.

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