{"id":21298,"date":"2016-05-07T08:04:25","date_gmt":"2016-05-07T02:34:25","guid":{"rendered":"https:\/\/cardiophile.org\/?p=21298"},"modified":"2021-12-20T22:45:08","modified_gmt":"2021-12-20T17:15:08","slug":"stent-creep-cardiology-mcq","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/stent-creep-cardiology-mcq\/","title":{"rendered":"Stent Creep – Cardiology MCQ"},"content":{"rendered":"

Stent Creep is:<\/strong>
\na) Creeping of neointimal proliferation into bare metal stent
\nb) Telescoping of stent struts due to concertina effect
\nc) Seen\u00a0in Hancock bioprosthesis is due to inward bending of the stent struts
\nd) None of the above
\nCorrect Answer:\u00a0c) Seen\u00a0in Hancock bioprosthesis is due to inward bending of the stent struts<\/strong>
\n\u201cStent\u00a0Creep<\/strong><\/em>\u201d seen\u00a0in Hancock bioprosthesis is due to inward bending of the stent struts [1]. It is\u00a0not obvious on echocardiographic imaging, but increases the transvalvular gradient as measured by Doppler echocardiography. Stent creep tends to increase with\u00a0time after implantation [2]. It is due to an ultrastructural deformity polypropylene used in the valve stent [3].
\nValve-in-valve tanscatheter aortic valve implantation has been used to treat bioprosthetic failure due to stent creep [4].
\nReferences<\/strong><\/p>\n

    \n
  1. Schoen FJ, Schulman LJ, Cohn LH. Quantitative anatomic analysis of \u201cstent creep\u201d of explanted Hancock standard porcine bioprostheses used for cardiac valve replacement.\u00a0Am J Cardiol. 1985 Jul 1;56(1):110-4.<\/li>\n
  2. Akiyama K, Sawatani O, Imamura E, Endo M, Hashimoto A, Koyanagi H.\u00a0Clinical study of \u201cstent creep\u201d in porcine bioprosthesis.\u00a0Nihon Geka Gakkai Zasshi. 1988 May;89(5):747-51.<\/li>\n
  3. Valente M, Bortolotti U, Thiene G, Arbustini E, Milano A, Mazzucco A, Gallucci V. Post bending of the polypropylene flexible stent in mitral Hancock bioprostheses.\u00a0Eur J Cardiothorac Surg. 1987;1(3):134-8.<\/li>\n
  4. Attia R, Papalexopoulou N, Hancock J, Young C, Thomas M, Bapat V. Successful treatment of failing biological prosthesis because of \u201cStent creep\u201d with valve-in-valve transcatheter aortic valve implantation.\u00a0Catheter Cardiovasc Interv. 2015 Aug;86(2):E119-25.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Stent Creep is: a) Creeping of neointimal proliferation into bare metal stent b) Telescoping of stent struts due to concertina effect c) Seen\u00a0in Hancock bioprosthesis is due to inward bending of the stent struts d) None of the above Correct Answer:\u00a0c) Seen\u00a0in Hancock bioprosthesis is due to inward bending of the stent struts \u201cStent\u00a0Creep\u201d seen\u00a0in […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-21298","post","type-post","status-publish","format-standard","hentry","category-cardiology-mcq","category-dm-dnb-cardiology-entrance"],"yoast_head":"\nStent Creep - Cardiology MCQ - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/professional\/stent-creep-cardiology-mcq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stent Creep - 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