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Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 178 - 178
1 Mar 2010
Shrestha K Chehade M Ferris L Eranki V
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A consensus for the best treatment for acute Achilles tendon ruptures has not yet been reached. Non-operative functional treatment using ankle foot orthosis has shown a reduction in re-rupture rate. This study aims to compare operative, cast immobilisation and functional treatment with cam- walker for acute Achilles tendon ruptures.

A retrospective review of medical records of patients with acute Achilles tendon rupture between 1999–2770 was carried out. Open repairs were carried out in the surgical group. In the cam- walker group, patients were immobilised in equines backslab for 2 weeks and then transferred to cam- walker with 3 heel-wedges giving plantar flexion of 20–30 degrees. One wedge was removed weekly after 4 weeks. After 6 weeks, patients removed the cam-walker at night. After 10 weeks, they mobilised in a shoe with a raise. After 12 weeks, the cam-walker was removed. There were 56 patients reviewed of whom 20 were treated operatively, 23 were treated non- operatively in a cast and 13 were treated functionally in a cam-walker. The average age of operative group was 39 years with average post operative immobilisation in a cast of 7.4 weeks. 15% had major complications with 2 DVTs and 1 re-rupture and 45% minor complications with 4 wound infections, 3 sural nerve damage and 2 patients complained of pain. The average age of non-operative group in a cast was 46 years with average immobilisation of 8 weeks. 12% had minor complications with 2 DVTs, 1 re-rupture and 12% healing complications with 1 non- healing and 2 delayed healing.

The average age of functional group treated with cam- walker was 44.5 years. They were immobilised in a cast for 2.5 weeks and cam-walker for 9 weeks. There were 35% major complications with 3 DVTs and no re-ruptures. 2 DVTs were treated and 1 DVT spontaneously resolved.

Metz et al. (2007) conducted a similar study and found that 34% of surgically treated patients suffered from complications other than rerupture. The main advantage they found with conservative treatment is the elimination of wound complications and intra-operative sural nerve damage. This retrospective review shows that surgical treatment provides a lower re-rupture rate but higher complication rate. A prospective study is currently underway to look at re-rupture rates and functional outcome after non-operative functional treatment with cam-walker.