Journal
OTOLARYNGOLOGY-HEAD AND NECK SURGERY
Volume 135, Issue 6, Pages 877-883Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1016/j.otohns.2006.02.040
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Funding
- NIBIB NIH HHS [R41 EB004710-01] Funding Source: Medline
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PROBLEM: To provide a less expensive and more convenient protocol for the treatment of tympanic membrane perforations (TMPs). METHODS: Several materials were prepared and compared for TMP repair including Carbylan-SX, Gelatin-DTPH-PEGDA (GX), Carbylan-S/Gelatin-DTPH (Carbylan-GSX) (injectable and sponge), Gelfoam, Epifilm, and crosslinked thiolated chondroitin sulfate (CS-DTPH-PEGDA [CS-SX]). Hartley pigmented guinea pigs (Elm Hill) underwent bilateral myringotomy with I ear left as a control and the other treated with one of the previously mentioned materials. RESULTS: Carbylan-GSX (injectable and sponge), Gelfoam with saline, and CS-SX had the shortest time for TMP closure. Epifilm, Carbylan, and gelatin preparations resulted in closure rates similar to controls. CS-SX showed a marked inflammatory reaction compared with controls and other materials based on neutrophil, lymphocyte, epitheloid counts, and degree of fibrosis. CONCLUSIONS: This study shows the validity of Carbylan-GSX compared with Gelfoam as a material to promote TMP closure in an acute TMP guinea pig model. (c) 2006 American Academy of Otolaryngology-Head and Neck Surgery Foundation. All rights reserved.
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