Hypoattenuated leaflet thickening
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Hypoattenuated leaflet thickening (HALT), or subclinical leaflet thrombosis, is a focal area of hypoattenuating leaflet thickening seen in transcatheter aortic valve prostheses which begins at the leaflet insertion on the valve frame seen on CT.
HALT is a known complication of transcatheter aortic valve replacement (TAVR)
There. There is concern that it may compromise valvular durability and increase the risk of thromboembolism, stroke, andor transient ischemic attacks.
-<p>Hypoattenuated leaflet thickening (HALT), or subclinical leaflet thrombosis, is a focal area of hypoattenuating leaflet thickening seen in transcatheter aortic valve prostheses which begins at the leaflet insertion on the valve frame seen on CT. </p><p>HALT is a known complication of transcatheter aortic valve replacement (TAVR)</p><p> </p><p>There is concern that it may compromise valvular durability and increase the risk of thromboembolism, stroke, and transient ischemic attacks</p>- +<p><strong>Hypoattenuated leaflet thickening</strong> (HALT), or subclinical leaflet thrombosis, is a focal area of hypoattenuating leaflet thickening seen in transcatheter aortic valve prostheses which begins at the leaflet insertion on the valve frame seen on CT. </p><p> </p><p>HALT is a known complication of transcatheter aortic valve replacement (TAVR). There is concern that it may compromise valvular durability and increase the risk of thromboembolism, stroke, or transient ischemic attacks.</p>
References changed:
- 1. Makkar RR, Fontana G, Jilaihawi H, Chakravarty T, Kofoed KF, De Backer O, Asch FM, Ruiz CE, Olsen NT, Trento A, Friedman J, Berman D, Cheng W, Kashif M, Jelnin V, Kliger CA, Guo H, Pichard AD, Weissman NJ, Kapadia S, Manasse E, Bhatt DL, Leon MB, Søndergaard L. Possible Subclinical Leaflet Thrombosis in Bioprosthetic Aortic Valves. (2015) The New England journal of medicine. 373 (21): 2015-24. <a href="https://doi.org/10.1056/NEJMoa1509233">doi:10.1056/NEJMoa1509233</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/26436963">Pubmed</a> <span class="ref_v4"></span>
- 2. Goel K, Lindman BR. Hypoattenuated Leaflet Thickening After Transcatheter Aortic Valve Replacement: Expanding the Evidence Base but Questions Remain. (2019) Circulation. Cardiovascular imaging. 12 (12): e010151. <a href="https://doi.org/10.1161/CIRCIMAGING.119.010151">doi:10.1161/CIRCIMAGING.119.010151</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/31826676">Pubmed</a> <span class="ref_v4"></span>
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- Cardiac