期刊
CARBOHYDRATE POLYMERS
卷 114, 期 -, 页码 230-237出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2014.07.049
关键词
Tendon; Anti-adhesion; Xanthan gum; Gellan gum; Hyaluronan
资金
- National Science Council, Taiwan [101-2622-E-214-006-CC3]
After tendon-repair surgery, adhesion between the surgical tendon and the synovial sheath is often presented resulting in poor functional repair of the tendon. This may be prevented using a commercially available mechanical barrier implant, Seprafilm, which is composed of hyaluronan (HA) and carboxymethyl cellulose hydrogels. In a rat model, prepared membranes of various compositions of gellan gum (GG), xanthan gum (XG) and HA as well as Seprafilm were wrapped around repaired tendons and the adhesion of the tendons was examined grossly and histologically after 3 weeks of healing. Certain formulations of the XG/GG/HA hydrogel membranes reduced tendon adhesion with equal efficacy but without reducing the tendon strength compared to Seprafilm. The designed membranes swelled rapidly and blanketed onto the tendon tissue more readily and closely than Seprafilm. Also they degraded slowly, which allowed the membranes to function as barriers for extended periods. (C) 2014 Elsevier Ltd. All rights reserved.
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