Technical keys in maximizing finger proximal interphalangeal joint motion after vascularized toe joint transfers. 2019

Yu-Te Lin
1 Department of Plastic Surgery, Vascularized Composite Allotransplantation Center, Chang Gung Memorial Hospital.

Vascularized toe joint transfers to the fingers have been performed for more than four decades, but their outcomes are not comparable with implant arthroplasty. Limited range of motion and extensor deficits of about 30° remain major problems with the constructed joints. We observed that the central extensor tendon of the toe is often attenuated proximally in its course on the dorsum of the proximal interphalangeal joint. A tight repair of the toe extensors to finger extensors limits joint motion. We reviewed our surgical techniques with this consideration. Thirty-eight fingers that we followed for 6 to 123 months had active range of motion of the reconstructed proximal interphalangeal joint in the finger of 58° (range 17°-76°) with an extensor deficit of 18° (range 0°-30°). We consider that the extensor mechanism and central slip insertion to the middle phalanx must be reconstructed meticulously to improve joint motion and decrease extension lag, and design of a lateral skin flap paddle to better cover vessels and allow extensor repairs.

UI MeSH Term Description Entries
D005383 Finger Injuries General or unspecified injuries involving the fingers. Injuries, Finger,Finger Injury,Injury, Finger
D005384 Finger Joint The articulation between the head of one phalanx and the base of the one distal to it, in each finger. Interphalangeal Joint of Hand,Interphalangeal Joint of Finger,Finger Interphalangeal Joint,Finger Interphalangeal Joints,Finger Joints,Hand Interphalangeal Joint,Hand Interphalangeal Joints,Joint, Finger,Joints, Finger
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014033 Toe Joint The articulation between the head of one phalanx and the base of the one distal to it, in each toe. Interphalangeal Joint of Foot,Interphalangeal Joint of Toe,Foot Interphalangeal Joint,Foot Interphalangeal Joints,Joint, Toe,Joints, Toe,Toe Interphalangeal Joint,Toe Interphalangeal Joints,Toe Joints
D016059 Range of Motion, Articular The distance and direction to which a bone joint can be extended. Range of motion is a function of the condition of the joints, muscles, and connective tissues involved. Joint flexibility can be improved through appropriate MUSCLE STRETCHING EXERCISES. Passive Range of Motion,Joint Flexibility,Joint Range of Motion,Range of Motion,Flexibility, Joint
D019643 Arthroplasty, Replacement Partial or total replacement of a skeletal joint. Joint Prosthesis Implantation,Arthroplasties, Replacement,Joint Replacement,Replacement Arthroplasties,Replacement Arthroplasty,Total Joint Replacement,Implantation, Joint Prosthesis,Implantations, Joint Prosthesis,Joint Prosthesis Implantations,Joint Replacement, Total,Joint Replacements,Joint Replacements, Total,Prosthesis Implantation, Joint,Prosthesis Implantations, Joint,Replacement, Joint,Replacement, Total Joint,Replacements, Joint,Replacements, Total Joint,Total Joint Replacements

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