Journal of Japanese Society of Reconstructive Microsurgery
Online ISSN : 2185-9949
Print ISSN : 0916-4936
ISSN-L : 2185-9949
Original Article
The Effect of Treatment of Lacerated Lateral Bands on Range of Motion Following Replantation in Zone IV (Tamai)
Koji MORIYAYutaka MAKINaoto TSUBOKAWAHiroko NARISAWATakae YOSHIZU
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2013 Volume 26 Issue 1 Pages 28-32

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Abstract

   Instead of achieving good sensory recovery, the range of movement of replanted fingers in Tamai Zone IV may not always be satisfactory because of joint stiffness or extensor tendon adhesion around the replantation site. We discuss herein the efficacy of treatment of lacerated lateral bands on range of motion in eight patients (11 digits) who underwent digital amputation in Zone IV. All digits underwent both flexor digitorum profundus and central slip repair. No digits underwent flexor digitorum superficialis repair or primary arthrodesis of the PIP and DIP joints. Both lateral bands were repaired in five digits; in the remaining six digits, both lateral bands remained ruptured. Overall, the total range of active motion (TAM) averaged 77.4° (range, 40°-133°). The average TAM was 84.6° (range, 45°-133°) in the digits that underwent lateral band repair compared with 71.3° (range, 40°-123°) in the unrepaired digits. There was no difference in TAM or DIP joint motion, regardless of whether the lateral bands were repaired. Our findings suggest that repair of lacerated lateral bands is not beneficial for recovery of TMA in replanted digital units.

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© 2013 Japanese Society of Reconstructive Microsurgery
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