{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T02:19:35Z","timestamp":1790734775679,"version":"4.1.0"},"reference-count":24,"publisher":"Public Library of Science (PLoS)","issue":"10","license":[{"start":{"date-parts":[[2021,10,26]],"date-time":"2021-10-26T00:00:00Z","timestamp":1635206400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec001\">\n<jats:title>Objective<\/jats:title>\n<jats:p>Transcatheter aortic valve implantation (TAVI) provokes early injury response, represented in part by dynamic changes in the inflammatory markers. The association of self-expanding valves (SEVs) and balloon-expandable valves (BEVs) with the consequent inflammatory response remains uncertain.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec002\">\n<jats:title>Materials and methods<\/jats:title>\n<jats:p>Patients with severe symptomatic aortic stenosis who underwent transfemoral TAVI: SEVs or BEVs, from January 2010 to December 2019 were enrolled. Whole white blood cells (WBC) and subpopulation dynamics as well the neutrophil to lymphocyte ratio (NLR) were evaluated.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec003\">\n<jats:title>Results<\/jats:title>\n<jats:p>Three-hundred seventy consecutive patients (mean age 81.75 \u00b1 6.8 years, 199 women\u2019s) were enrolled. In the entire population, significant kinetic changes in the WBC response (p &lt;0.0001) between admission and first 24 hours post procedure, with a significant increase in total WBC (7.46 \u00b1 2.26 to 10.08 \u00b1 3.55) and absolute neutrophil count (4.97 \u00b1 2.06 to 8.19 \u00b1 3.43), NL ratio (3.72 \u00b1 2.8 to 9.76 \u00b1 7.29), and a meaningful decrease in absolute lymphocytes count (1.67 \u00b1 1.1 to 1.1 \u00b1 0.76). When compared between the types of valves, SEVs were associated with a more pronounced inflammatory response than BEVs, with total WBC (10.44 \u00b1 3.86 vs. 9.45 \u00b1 3.19) neutrophils (8.56 \u00b1 3.75 vs. 7.55 \u00b1 3.06) with p 0.016 and 0.012 respectively.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec004\">\n<jats:title>Conclusion<\/jats:title>\n<jats:p>This is the first description of a differential inflammatory response between the two leading delivery systems. SEV appears to trigger a more robust inflammatory response as compared to BEV. Clinical studies are warranted to assess the long term effect of our findings.<\/jats:p>\n<\/jats:sec>","DOI":"10.1371\/journal.pone.0258963","type":"journal-article","created":{"date-parts":[[2021,10,26]],"date-time":"2021-10-26T17:23:00Z","timestamp":1635268980000},"page":"e0258963","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":28,"title":["Differential systemic inflammatory responses after TAVI: The role of self versus balloon expandable devices"],"prefix":"10.1371","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2336-3125","authenticated-orcid":true,"given":"Haitham","family":"Abu 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