Functional results after surgical repair of quadriceps tendon rupture.

We present the long-term results of surgical repair of a traumatic rupture of the quadriceps tendon in a group of 24 patients with a mean age of 58 years. There were 21 male and 3 female patients. Fifteen patients were seen for clinical control after a mean follow-up of 75 months and they all presented with some quadriceps muscle atrophy. Twelve patients had normal knee mobility, three had a flexion deformity of 10 degrees and two had less than 120 degrees of knee flexion. Active knee extension was normal in all patients. Three patients experienced some decrease in stability of their knee joint. Subjectively all patients were satisfied with the result. Nine patients underwent a Cybex-test for evaluation of the isokinetic force of knee flexion and extension, with a comparison between the injured and the uninjured side. For concentric force there was a mean deficit at low speed of 36.1% for the quadriceps muscle; at high speed it was 28.2%. For the knee flexors, the deficits were 30.7% and 27.2% respectively. Regarding eccentric force, the mean deficit for knee extensors was 13.8% and 0.25% respectively and for knee flexors 6.5% and 5.5% respectively.

[1]  S. Hukuda,et al.  Partial Rupture of the Quadriceps Tendon (Jumper's Knee) in a Ten-Year-Old Boy , 1999, The American journal of sports medicine.

[2]  T. Lock,et al.  Outcomes following repair of quadriceps tendon ruptures. , 1998, Journal of orthopaedic trauma.

[3]  A. Natri,et al.  Etiology and pathophysiology of tendon ruptures in sports , 1997, Scandinavian journal of medicine & science in sports.

[4]  R. Brouwer,et al.  [Rupture of the quadriceps tendon; cannot be missed?]. , 1996, Nederlands tijdschrift voor geneeskunde.

[5]  B T Rougraff,et al.  Complete quadriceps tendon ruptures. , 1996, Orthopedics.

[6]  R. Liow,et al.  Bilateral rupture of the quadriceps tendon associated with anabolic steroids. , 1995, British journal of sports medicine.

[7]  M. E. Brunet,et al.  Radiographic diagnosis of quadriceps tendon rupture: analysis of diagnostic failure. , 1994, The Journal of emergency medicine.

[8]  S. Orava,et al.  Repair of partial quadriceps tendon rupture. Observations in 28 cases. , 1994, Acta orthopaedica Scandinavica.

[9]  A. Rasul,et al.  Primary repair of quadriceps tendon ruptures. Results of treatment. , 1993, Clinical orthopaedics and related research.

[10]  R. Rahmanzadeh,et al.  [Patellar and quadriceps tendon ruptures]. , 1990, Aktuelle Traumatologie.

[11]  E. Larsen,et al.  Ruptures of the extensor mechanism of the knee joint. Clinical results and patellofemoral articulation. , 1986, Clinical orthopaedics and related research.

[12]  B. Broukhim,et al.  Early diagnosis of acute rupture of the quadriceps tendon by arthrography. , 1985, Clinical orthopaedics and related research.

[13]  A. G. Maceachern,et al.  Bilateral simultaneous spontaneous rupture of the quadriceps tendons. Five case reports and a review of the literature. , 1984, The Journal of bone and joint surgery. British volume.

[14]  J. Rao,et al.  Bilateral simultaneous rupture of the quadriceps tendons. , 1978, Clinical orthopaedics and related research.

[15]  D. Ball,et al.  Bilateral simultaneous rupture of the quadriceps tendons , 1975, The British journal of surgery.