A series of 233 patients with complete divisions of flexor tendons in zones 1 and 2 underwent operation following emergency admission over a period of 3.5 years. These included 203 patients with 317 divided tendons in 224 fingers injuries in zones 1 and 2 and 30 patients with 30 complete divisions of the flexor pollicis longus tendon in zones 1 and 2. All of these patients were mobilized post-operatively in a controlled active motion regimen. 13 (5.8%) fingers and five (16.6%) thumbs suffered tendon rupture during the post-operative period. Patients treated during the last year of the study were followed prospectively for a minimum period of 3 months; ten of the 16 (62.5%) fingers with zone 1 repairs, 50 of the 63 (79.4%) fingers with zone 2 repairs, all three (100%) FPL divisions in zone 1 and three of four (75%) FPL divisions in zone 2 had good and excellent results on assessment by the original Strickland criteria (Strickland and Glogovac, 1980). These results confirm the safety of this regimen as an alternative to other regimens of post-operative flexor tendon repair mobilization in zone 1 and 2 finger injuries. However, in the unmodified form used in this series, this regimen has too high a rupture rate for FPL mobilization.

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