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PubMedDate not supplied

Anterior tibial tendon transfer in relapsing congenital clubfoot: long-term follow-up study of two series treated with a different protocol.

Two series of patients with relapsing congenital clubfoot were treated by transfer of the anterior tibial tendon to the third cuneiform under the extensor retinaculum. The two series were reviewed at the end of skeletal growth to evaluate the effectiveness of the surgical procedure. The first series included 19 clubfeet and the second 16. The two series of clubfeet were initially treated by two different manipulative techniques and two different complementary soft tissue release operations. In relapsing clubfeet, the foot dorsiflexion/eversion activity of the tibialis anterior was suppressed and the muscle functioned as an invertor. At follow-up the functional results of the second series of patients, in whom the relapsing deformity was passively correctable at the time of surgery, were better than those of the first series of patients, in whom the relapsing deformity was sometimes less passively correctable. None of the operated patients had a further relapse. In both series, the angles formed by the longitudinal axis of the navicular and the first cuneiform, the calcaneus and the fifth metatarsal, and the calcaneus and the cuboid, evaluated both by plain radiographs and by CT scan, were smaller than in normal feet and in the clubfeet that did not relapse. Transfer of the anterior tibial tendon to the third cuneiform underneath the extensor retinaculum corrects and stabilizes relapsing clubfeet by restoring their normal function of foot dorsiflexion/eversion. As a consequence, the cuneiforms and the cuboid were shifted more laterally than normal, as shown by both x-rays and CT scan.

Adolescent↗
PubMed1998

Tendon transfer for equinovarus deformed foot caused by cerebrovascular disease.

Surgical correction was performed on 125 patients who had equinovarus deformity caused by a cerebrovascular accident and who needed an ankle foot orthosis for walking. The operative procedures involved anterior transfer of the long toe flexors (flexor hallux longus and flexor digitorum longus; long toe flexor group) or lateral transfer of the anterior tibial tendon (anterior tibial tendon group), combined with lengthening of the Achilles tendon. On evaluation more than 2 years after surgery, 83 of 110 patients of the long toe flexor group and eight of 15 patients of the anterior tibial tendon group were able to walk without a brace. Five patients of the anterior tibial tendon group who had shown strong contraction of the anterior tibial muscle during the swing phase before surgery, needed a brace because of a drop foot after surgery. Thus, lateral transfer of the anterior tibial tendon was abandoned in 1984. Recurrence of varus deformity was seen in approximately 15% of the patients in both groups. Anterior transfer of the long toe flexors, using them as dorsiflexor tendons or for tenodesis, seemed to produce better results.

Adult↗
PubMed1985

Split posterior tibial-tendon transfers in children with cerebral spastic paralysis and equinovarus deformity.

In the treatment of equinovarus deformity of the foot in children with cerebral spastic paralysis, to supplement heel-cord lengthening, we split the posterior tibial tendon and transferred its posterior half laterally into the peroneus brevis tendon. Thirty-seven operations were performed on thirty-one hemiplegic, quadriplegic, and diplegic children who were followed for a mean of eight years postoperatively (range, four to fourteen years), at which time twenty-six of the thirty-one children were skeletally mature. There were thirty excellent, four good, and three poor results. The results did not deteriorate with time. Thirty-two of thirty-four children with good or excellent results had functioning dorsiflexors of the foot and were brace-free postoperatively. The children who had a poor result had recurrent deformity, but none had development of a calcaneal or calcaneovalgus deformity.

Adolescent↗
PubMed2001

Management of massive irreparable rotator cuff tears: the role of tendon transfer.

The inability to repair a rotator cuff tear is not uncommon, and in practices devoted to the management of shoulder injuries up to 30% of rotator cuff tears may be irreparable. The anterior and posterior components of the rotator cuff are the most important deficient areas. In the case of an irreparable subscapularis tendon tear, pain relief and stability appear to be reliably achieved by a split pectoralis major transfer; however, functional improvement is less certain because the biomechanics associated with this tendon transfer do not appear to be optimal. In the case of an irreparable posterosuperior rotator cuff tear, a latissimus dorsi tendon transfer reliably restores flexion and relieves pain; however, its use after failure of prior rotator cuff surgery makes the outcome less predictable. Both anterior and posterior reconstructions with tendon transfer require precise surgical technique and patient compliance with postoperative rehabilitation.

Biomechanical Phenomena↗
PubMed1992

Flexor digitorum superficialis tendon transfer for intrinsic replacement. Long-term results and the effect on donor fingers.

This study is a review of 127 hands in 100 patients in whom one or two FDS tendons were used to correct claw-hand deformity and/or loss of opposition of the thumb. In lumbrical replacement the results were graded as excellent in 16 hands (21%) and good in 43 hands (57%). For opponensplasty the results were excellent in 26 hands (32%) and good in 42 hands (51%). Possible defects that can develop in the donor finger are: swan-neck deformity, flexion posture of the DIP joint, not as part of the swan-neck deformity, check-rein deformity or flexion contracture, and insufficient finger flexion. Of the 158 fingers swan-neck deformity was seen in 15%, DIP flexion in 29%, check-rein deformity in 26% and insufficient finger flexion in 18%. The latter occurred with another defect. In 48 fingers (30%) no defects were observed.

Adult↗