Abstract

Flexor tendon injuries of the hand have devastating consequences when primary tendon repair fails or left untreated in the first place. Flexor tendon reconstruction is a substantial treatment option to obtain functional digit. In this study, we aimed to compare the functional outcomes and technical feasibility of fingertip-to-palm and fingertip-to-forearm tendon reconstruction methods. Thirty-five patients were divided into two groups according to the proximal attachment site of the free tendon grafts. Group I consisted of 18 patients whose tendon grafts were placed from fingertip-to-palm (zone III). Group II consisted of 17 patients whose tendon grafts were placed from fingertip-to-forearm (zone V). The mean of 39.6 months (range, 6–52 months) of follow-up with complete clinical data were obtained for all the cases. The mean length of the tendon grafts used in group I and group II was 9.7 ± 1.4 cm and 15.9 ± 1.2 cm, respectively. Significantly shorter tendon grafts were needed in group I (p < 0.001). Both mean DASH score and mean Michigan score were significantly improved postoperatively in both groups (p = 0.0001, p = 0.0001), but there was no significant difference between two groups based on postoperative DASH score (p = 0.112) and Michigan score (p = 0.151). No statistically significant difference was observed between two groups in terms of Strickland’s scores (p = 0.868). This study demonstrates that comparable results can be obtained with fingertip-to-palm and fingertip-to-forearm staged tendon reconstructions. Fingertip-to-palm tendon reconstruction seems to be more advantageous when multiple flexor tendon injuries aimed to be reconstructed, in which requirement of tendon graft can be fulfilled with less donor site morbidity. Abbreviations: DASH: disabilities of the arm, shoulder and hand

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