Current Medical Science

, Volume 38, Issue 1, pp 85–92 | Cite as

New Nano-Film Single-Rivet Patent Ductus Arteriosus Occluders: A Prospective, Randomized and Double-blind Study

  • Xiao-ke Shang (尚小珂)
  • Mei Liu (柳 梅)
  • Hong-jun Li (李红军)
  • Rong Lu (卢 蓉)
  • Shan-shan Ding (丁珊珊)
  • Bin Wang (王 斌)
  • Nian-guo Dong (董念国)Email author
  • Shu Chen (陈 澍)Email author


Nitinol alloy occluders are widely used in the transcatheter intervention treatment of congenital heart diseases like patent ductus arteriosus (PDA). However, nitinol alloy contains high levels of nickel, which can lead to toxic effects in the immune and hematopoietic systems if released in sufficient quantities. A new type of single-rivet occluder coated with nano-film has been developed to limit the release of nickel. In total, 23 patients were recruited and randomly assigned to the experimental group (n=12) with the new nano-film single-rivet occluders or the control group (n=11) with the traditional occluders. One case in the control group was lost to follow-up. The remaining 22 cases were followed up at 24 h, 7 days, 1 month, 3 months, and 6 months after the procedure. There were no statistically significant differences in routine blood test, alanine aminotransferase, creatinine, and troponin between the experimental and control groups. Serum nickel concentration in both two groups increased at 24 h after the procedure, peaked at 1 month, and returned to preoperative levels at 6 months. Serum nickel levels in the experimental group were significantly lower than in the control group at 24 h, 7 days, 1 month, and 3 months after the procedure. These data suggested that the nano-film coating effectively prevented nickel release from the new occluders, and therefore has a preferable safety profile.

Key words

patent ductus arteriosus intervention nitinol alloy nano-film nickel ion 


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Copyright information

© Huazhong University of Science and Technology 2018

Authors and Affiliations

  • Xiao-ke Shang (尚小珂)
    • 1
    • 2
  • Mei Liu (柳 梅)
    • 3
  • Hong-jun Li (李红军)
    • 4
  • Rong Lu (卢 蓉)
    • 3
  • Shan-shan Ding (丁珊珊)
    • 5
  • Bin Wang (王 斌)
    • 1
  • Nian-guo Dong (董念国)
    • 1
    Email author
  • Shu Chen (陈 澍)
    • 1
    Email author
  1. 1.Department of Cardiovascular Surgery, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
  2. 2.Medical Research InstituteSecond Clinical College of Wuhan UniversityWuhanChina
  3. 3.Department of Intensive Care UnitWuhan First HospitalWuhanChina
  4. 4.Department of ElectroencephalogramZhangqiu District Hospital of Traditional Chinese MedicineJinanChina
  5. 5.Department of Oncololgy, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina

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