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Article Open Access

Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study

  • Authors:
    • Kai Ren
    • Weixun Duan
    • Linhe Lu
    • Bo Yu
    • Tao Chen
    • Zhenxiao Jin
    • Yimin Zhao
    • Dinghua Yi
    • Shiqiang Yu
    • Xufeng Wei
  • View Affiliations / Copyright

    Affiliations: Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China, Ministry of Product Development, Hangzhou Jiahe Zhongbang Biotechnology Co., Ltd., Hangzhou, Zhejiang 311100, P.R. China
    Copyright: © Ren et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1935-1942
    |
    Published online on: June 19, 2020
       https://doi.org/10.3892/etm.2020.8908
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Abstract

As a pre-clinical assessment, the present study aimed to investigate the safety and effectiveness of a novel valved pulmonary arterial conduit constructed entirely from biomaterials by transplanting it in the outflow tract of the right ventricle in sheep. Under extracorporeal circulation, the valved pulmonary arterial conduit was used to replace the pulmonary artery of sheep with a beating heart. The performance was assessed at 30, 90 and 180 days post‑surgery. Hemodynamic and structural changes were evaluated, and safety was assessed after 180 postoperative days. The hemodynamic effect and biosafety of the implant were further evaluated by observing the changes in various pressure indicators of the heart, echocardiographic results, anatomical and pathological examination results, liver and kidney functions, routine blood tests, a blood coagulation test, and other test results following implantation of the purely biotic valved conduit. The conduit was successfully implanted in 12 sheep and no mortality occurred postoperatively. During the 180‑day follow‑up, there was no obvious stenosis or regurgitation of the right ventricular outflow tract and pulmonary valve after valved conduit implantation. The findings of autopsy, pathology and laboratory examinations were unremarkable. The implantation of this biosynthetic vascular graft into animals meets the safety and effectiveness requirements for clinical application. This pulmonary arterial conduit has potential clinical application for children with complex congenital heart disease who require pulmonary artery reconstruction to achieve a radical cure.
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Copy and paste a formatted citation
Spandidos Publications style
Ren K, Duan W, Lu L, Yu B, Chen T, Jin Z, Zhao Y, Yi D, Yu S, Wei X, Wei X, et al: Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study. Exp Ther Med 20: 1935-1942, 2020.
APA
Ren, K., Duan, W., Lu, L., Yu, B., Chen, T., Jin, Z. ... Wei, X. (2020). Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study. Experimental and Therapeutic Medicine, 20, 1935-1942. https://doi.org/10.3892/etm.2020.8908
MLA
Ren, K., Duan, W., Lu, L., Yu, B., Chen, T., Jin, Z., Zhao, Y., Yi, D., Yu, S., Wei, X."Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study". Experimental and Therapeutic Medicine 20.3 (2020): 1935-1942.
Chicago
Ren, K., Duan, W., Lu, L., Yu, B., Chen, T., Jin, Z., Zhao, Y., Yi, D., Yu, S., Wei, X."Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study". Experimental and Therapeutic Medicine 20, no. 3 (2020): 1935-1942. https://doi.org/10.3892/etm.2020.8908
Copy and paste a formatted citation
x
Spandidos Publications style
Ren K, Duan W, Lu L, Yu B, Chen T, Jin Z, Zhao Y, Yi D, Yu S, Wei X, Wei X, et al: Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study. Exp Ther Med 20: 1935-1942, 2020.
APA
Ren, K., Duan, W., Lu, L., Yu, B., Chen, T., Jin, Z. ... Wei, X. (2020). Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study. Experimental and Therapeutic Medicine, 20, 1935-1942. https://doi.org/10.3892/etm.2020.8908
MLA
Ren, K., Duan, W., Lu, L., Yu, B., Chen, T., Jin, Z., Zhao, Y., Yi, D., Yu, S., Wei, X."Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study". Experimental and Therapeutic Medicine 20.3 (2020): 1935-1942.
Chicago
Ren, K., Duan, W., Lu, L., Yu, B., Chen, T., Jin, Z., Zhao, Y., Yi, D., Yu, S., Wei, X."Effectiveness of a novel, completely biomaterial valved pulmonary arterial conduit: An in vivo study". Experimental and Therapeutic Medicine 20, no. 3 (2020): 1935-1942. https://doi.org/10.3892/etm.2020.8908
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