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Early Active Mobilization of Primary Repairs of the Flexor Pollicis Longus Tendon

This study reports the treatment of divided flexor pollicis longus (FPL) tendons from 1989 to 1998. The first 30 patients, in whom the tendon was repaired with a Kessler suture and simple epitendinous suture and mobilized using early active motion with only the thumb splinted, achieved 70/73% (White/Buck-Gramcko assessments respectively), excellent or good results and a rupture rate of 17%. The next 39 patients underwent the same treatment but in a splint with the thumb position altered and the fingers also splinted, with 67/72% excellent or good results and a rupture rate of 15%. The next 49 patients underwent repair with a Kessler suture and a reinforced epitendinous suture and the same mobilization as group 2, with 76/80% excellent or good results and a rupture rate of 8%. The final combination of repair and early active mobilization for primary repair of FPL tendons compares favourably with previous methods of treatment.