Abstract
We aimed to introduce a surgical option for crushing-penetrating injuries around the metacarpophalangeal (MP) joint of the middle finger with extensor reconstruction of the interphalangeal (IP) joints. We also assessed the outcomes of patients using this surgical protocol. First, MP joint reconstruction was performed early (mean, 1.2weeks after injury) using free autogenous cartilage or bone graft. We next performed a tendon transfer using a modified Brand method (M. Brand) at the same setting of extensor tendon tenolysis (mean, 4.7months after injury) in order to extend the IP joints as a bonus for mutilating injuries of the hand. The mean arc of motion of each MP and IP joint increased after the M. Brand procedure. In one patient, worsening of palmar subluxation at the base of the proximal phalanx at the MP joint was observed. We found that tendon transfer by M. Brand achieves additional reconstruction for patients who have an IP joint extension lag after a crushing-penetrating injury around the MP joint. On the basis of these encouraging findings in this small series of cases, we recommend the M. Brand procedure after the MP joint stabilizes, as an optional bonus for mutilating injured hand.
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