Second toe transfer for thumb reconstruction in multiple digit amputations including thumb and basal joint

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Abstract
Amputation of the thumb, including the basal joint, is a disabling injury that leaves limited reconstructive options. Three cases of multiple digit amputation including the thumb and basal joint are presented in which a second toe transfer was used to reconstruct the thumb. All patients have functional pinch with an average pinch strength of 27% of the opposite uninjured extremity. The average grip strength for two patients is 44% of the opposite hand. Average motion of the transfer at the MP, PIP, and DIP is 25 degrees, 37 degrees, and 9 degrees, respectively. Adduction and abduction are obtained, the degree depending on the site of proximal bony fixation. No patient has morbidity at the donor site and all are happy with their reconstruction. In selected cases we feel second toe transfer is an excellent choice to reconstruct the thumb amputated at a proximal level.

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