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Comparison of the Mechanical Properties of Polyglycolide-Trimethylene Carbonate (Maxon) and Polydioxanone Sutures (PDS2) used for Flexor Tendon Repair and Active MobilizationFrom the Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan Correspondence: Dr Akifusa Wada, Dept of Orthopaedic Surgery, Fukuoka Childrens Hospital 2-5-1 Tojinmachi, Chuo-ku, Fukuoka, 810-0063, Japan. E-mail: awada{at}ortho.med.kyushu-u.ac.jp Thirty-six canine flexor digitorum profundus tendons were repaired using 5-0 polyglycolide-trimethylene carbonate monofilament (Maxon) or polydioxanone monofilament (PDS2). All the tendons healed without rupture or formation of gaps of more than 2 mm. Mechanically, all tendon repairs had sufficient tensile strength to enable active mobilization. Polyglycolide-trimethylene carbonate (Maxon) repairs were initially superior in gap and ultimate strength to polydioxanone (PDS2) repairs. However, the gap and ultimate tensile strength of polyglycolide-trimethylene carbonate (Maxon) repairs had decreased significantly at day 14, whereas polydioxanone (PDS2) repairs maintained their strength throughout the 28-day observation period.
Journal of Hand Surgery (British and European Volume), Vol. 27, No. 4,
329-332 (2002) |
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