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Diagnosis of fetal congenitally unguarded tricuspid valve orifice by echocardiography
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  • Hailan Liu,
  • Gaole Yuan,
  • Xia Li,
  • Yan Song,
  • Chen Wang,
  • Chunquan Zhang
Hailan Liu
The Third Affiliated Hospital of Nanchang University

Corresponding Author:[email protected]

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Gaole Yuan
First Affiliated Hospital of Nanchang University
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Xia Li
Medical College of Nanchang University
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Yan Song
Medical College of Nanchang University
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Chen Wang
Medical College of Nanchang University
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Chunquan Zhang
Medical College of Nanchang University
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Abstract

[Abstract] Objective To review the imaging characteristics and evaluate the diagnostic value of echocardiography for fetal congenitally unguarded tricuspid valve orifice (CUTVO). Methods Doppler echocardiography was performed and the images were compared with operative and necropsy findings in ten fetuses with CUTVO. The aim of the study was to summarize the characteristics of fetal echocardiography and analyze the causes of missed diagnoses and misdiagnoses.  Results There were six cases with complete absence and four cases with partial absence of the tricuspid leaflet. In seven of ten cases the pregnancy was terminated. In six cases CUTVO was confirmed by autopsy after induced labor, while one case had no autopsy. After birth, one case died due to severe illness. The two remaining cases survived with an atrial septal defect and patent ductus arteriosus on postpartum ultrasonic scans. These cases underwent surgical treatment resulting in less moderate tricuspid regurgitation. Among all cases, four were misdiagnosed and diagnosis for CUVTO missed, but CUVTO was demonstrated after induced labor. CUTVO ultrasonographic characteristics consist of the atrioventricular connection with normal arteries and the tricuspid valve device partially or completely absent. The annulus of the tricuspid valve can be describe as “empty” in the apical 4-chamber view, Doppler evaluation shows to-and-fro flow across the tricuspid orifice with low velocity and two-way spectrum. Conclusion diagnosis and differential diagnosis of CUTVO by fetal echocardiography has important clinical value.
14 Feb 2022Submitted to Echocardiography
15 Feb 2022Submission Checks Completed
15 Feb 2022Assigned to Editor
16 Feb 2022Reviewer(s) Assigned
21 Mar 2022Review(s) Completed, Editorial Evaluation Pending
22 Mar 2022Editorial Decision: Revise Major
13 Apr 20221st Revision Received
18 Apr 2022Assigned to Editor
18 Apr 2022Submission Checks Completed
18 Apr 2022Reviewer(s) Assigned
19 May 2022Review(s) Completed, Editorial Evaluation Pending
21 May 2022Editorial Decision: Revise Major
26 May 20222nd Revision Received
01 Jun 2022Submission Checks Completed
01 Jun 2022Assigned to Editor
02 Jun 2022Reviewer(s) Assigned
15 Jun 2022Review(s) Completed, Editorial Evaluation Pending
01 Jul 2022Editorial Decision: Revise Minor
02 Jul 20223rd Revision Received
05 Jul 2022Submission Checks Completed
05 Jul 2022Assigned to Editor
05 Jul 2022Reviewer(s) Assigned
20 Jul 2022Review(s) Completed, Editorial Evaluation Pending
26 Jul 2022Editorial Decision: Revise Minor
01 Aug 20224th Revision Received
01 Aug 2022Submission Checks Completed
01 Aug 2022Assigned to Editor
01 Aug 2022Reviewer(s) Assigned
25 Aug 2022Review(s) Completed, Editorial Evaluation Pending
30 Aug 2022Editorial Decision: Revise Minor
01 Sep 20225th Revision Received
01 Sep 2022Submission Checks Completed
01 Sep 2022Assigned to Editor
02 Sep 2022Reviewer(s) Assigned
09 Sep 2022Review(s) Completed, Editorial Evaluation Pending
12 Sep 2022Editorial Decision: Accept
Oct 2022Published in Echocardiography volume 39 issue 10 on pages 1324-1327. 10.1111/echo.15457