{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T11:34:36Z","timestamp":1768736076014,"version":"3.49.0"},"reference-count":42,"publisher":"Wiley","license":[{"start":{"date-parts":[[2018,10,17]],"date-time":"2018-10-17T00:00:00Z","timestamp":1539734400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2018,10,17]]},"abstract":"<jats:p>The aim of this study was to evaluate a novel composite material for tracheal reconstruction in an ovine model. A polymer containing various forms of carbon fibers (roving, woven, and nonwoven fabric) impregnated with polysulfone (PSU) was used to create cylindrical tracheal implants, 3 cm in length and 2.5 cm in diameter. Each implant, reinforced with five rings made of PSU-impregnated carbon-fiber roving, had three external layers made of carbon-fiber woven fabric and the inner layer formed of carbon-fiber nonwoven fabric. The inner surface of five implants was additionally coated with polyurethane (PU), to promote migration of respiratory epithelium. The implants were used to repair tracheal defects (involving four tracheal rings) in 10 sheep (9-12 months of age; 40-50 kg body weight). Macroscopic and microscopic characteristics of the implants and tracheal anastomoses were examined 4 and 24 weeks after implantation. At the end of the follow-up period, outer surfaces of the implants were covered with the tissue which to various degree resembled histological structure of normal tracheal wall. In turn, inner surfaces of the prostheses were covered only with vascularized connective tissue. Inner polyurethane coating did not improve the outcomes of tracheal reconstruction and promoted excessive granulation, which contributed to moderate to severe stenosis at the tracheal anastomoses. The hereby presented preliminary findings constitute a valuable source of data for future research on a tracheal implant being optimally adjusted for medical needs.<\/jats:p>","DOI":"10.1155\/2018\/2610637","type":"journal-article","created":{"date-parts":[[2018,10,17]],"date-time":"2018-10-17T23:31:00Z","timestamp":1539819060000},"page":"1-9","source":"Crossref","is-referenced-by-count":4,"title":["Reconstruction of Ovine Trachea with a Biomimetic Composite Biomaterial"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9868-3676","authenticated-orcid":true,"given":"Wojciech","family":"\u015acierski","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology and Laryngological Oncology, Medical University of Silesia, Zabrze, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gra\u017cyna","family":"Lisowska","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology and Laryngological 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