Injury
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All previous experimental and clinical repairs of flexor tendons in zone II have used either a grasping or a locking technique. In this article, a combined (grasping and locking) repair was compared biomechanically to its grasping and locking components. ⋯ The combined 10-strand repair is stronger biomechanically than its grasping and locking components.
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Entrapped trauma victims require extrication, which, on rare occasions, may involve amputation of a limb. Standard extrication techniques sometimes fail or may be impossible, leading to the death of the entrapped victim. We propose that the use of fire service hydraulic cutting equipment can be used effectively to urgently amputate a limb, where conventional techniques are unusable. ⋯ If circumstances and time constrains allow, a conventional amputation technique carried out by a trained medical practitioner would be preferable to the use of the fire service hydraulic cutting equipment. However, we feel that this technique could be used to perform emergent amputation under trained medical supervision, if it is felt that a standard amputation technique would take too long or the environment is too restrictive to perform a standard amputation safely.
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A six-strand repair for zone II flexor-tendon repair in children younger than 2 years of age has not been reported in the literature because of the small size of the flexor tendon in this very young age group. ⋯ Our six-strand technique is an alternative technique for zone II flexor-tendon repair in children younger than 2 years of age, but the bulky repair site requires a 'profundus only' repair and 'venting' of the pulley system.