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[Gracilis tendon augmented reconstruction of the medial patellofemoral ligament with soft tissue fixation at the patellar insertion site].

Abstract：

OBJECTIVE:Reconstruction of the medial patellofemoral ligament with autologous tendon augmentation and soft tissue fixation at the patellar insertion with resorbable suture material. INDICATIONS:Patellofemoral instability due to insufficiency of the medial passive stabilizers and dysplastic trochlea. CONTRAINDICATIONS:Primary traumatic dislocation of the patella without risk factors for patellar redislocation, severe osteoarthritis of the patellofemoral joint, infection. SURGICAL TECHNIQUE:Diagnostic arthroscopy to evaluate cartilage and shape of trochlea and to treat associated injuries. Harvesting of the gracilis tendon and arming with resorbable suture material. Transfer of the tendon through the medial capsule in the anatomical layer of the MPFL and weaving in u-shape through the capsule and periosteum near the patella. Soft tissue fixation with resorbable suture material. Anatomical reconstruction of the femoral insertion site. Femoral fixation with interference screw. POSTOPERATIVE TREATMENT:For 4 weeks, partial (20 kg) weight bearing with crutches; cast with physiotherapy (limited ROM extension, flexion 0-0-90°). Thereafter free range of motion and full weight bearing. RESULTS:27 patients (age 12-45 years) with patellofemoral instability underwent reconstruction of the medial patellofemoral ligament. Clinical follow-up was assessed up to 12 months postoperatively. After 1 year, the Kujala and Flandry scores increased from preoperatively 72 points to 95 points and 65.7 points to 89.9 points, respectively. One redislocation was observed. Patient satisfaction was significantly increased at 6 months postoperatively. Reconstruction of the medial patellofemoral ligament shows good clinical results after 12 months.

journal_name

Oper Orthop Traumatol

journal_title

Operative Orthopadie und Traumatologie

authors

Reppenhagen S,Gilbert F,Konrads C,Göbel S,Steinert A,Hoberg M,Löffler C,Rudert M,Barthel T

doi

10.1007/s00064-015-0428-2

subject

Has Abstract

pub_date

2015-12-01 00:00:00

pages

484-94

issue

eissn

0934-6694

issn

1439-0981

pii

10.1007/s00064-015-0428-2

journal_volume

pub_type

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[Gracilis tendon augmented reconstruction of the medial patellofemoral ligament with soft tissue fixation at the patellar insertion site].