The factor triggering rejection was related to broken sutures in five cases and self-discontinuation of topical steroid treatment in two cases.
The strength by which failure of the loop occurred was registered to define the "loop-holding capacity" (LHC): the force required to break the suture or provoke slippage in the knot [6].
Healing is encouraged by cleansing of the fracture site, closure of the overlying broken skin by suture or skin graft, and reimmobilization; bone chips may be used to fill a gap in the fractured bone left by long infection or severe bone destruction.
In one case, a suture broke on one side of the catheter.
In the remaining 54 tests, the suture broke in the knot or in the immediate vicinity of the knot.
The force corresponding to 2-mm gap formation and to breaking of the suture, the mode of sample failure, the pre-repair (APR) and post-repair (AR) cross-sectional areas and the changes in tendon dimensions are listed in Table 1.
As regards the suture material, after testing barbed suture using Quill™ SRS polypropylene 2/0, it was decided to try an absorbable material, Quill™ SRS polydioxanone 2/0, since, according to data provided by the manufacturer, it should have a higher suture breaking force, i.e., 1.77 kgf (17.36 N) versus 0.96 kgf (9.42 N).
Foreign body granuloma arises from reaction to any foreign materials that cannot be broken down, such as silicone, suture material, wood, gunpowder, plastic sewing needle and paraffin.
The ultimate tensile strength, elongation at break and suture retention strength of the scaffolds were significantly improved, providing suitable mechanical properties strong enough for clinical applications.
