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J Clin Orthop Trauma. 2015 Sep;6(3):167-72. doi: 10.1016/j.jcot.2015.03.006. Epub 2015 Apr 23.

Immobilisation of extra-articular distal radius fractures (Colles type) in dorsiflexion. The functional and anatomical outcome.

Journal of clinical orthopaedics and trauma

Ranjit Kr Baruah, Mohibul Islam, Russel Haque

Affiliations

  1. Professor and Head, Department of Orthopaedics, Assam Medical College, Dibrugarh 786002, Assam, India.
  2. Department of Orthopaedics, Guwahati Medical College, Guwahati 32, Assam, India.
  3. Department of Orthopaedics, Assam Medical College, Dibrugarh, Assam, India.

PMID: 26155052 PMCID: PMC4488019 DOI: 10.1016/j.jcot.2015.03.006

Abstract

BACKGROUND: Cast immobilisation after successful closed reduction is a standard treatment for displaced extra-articular fractures of lower end radius. The position of the wrist during immobilisation is controversial. Immobilisation in dorsiflexion prevents redisplacement after closed reduction. Our aim is to determine the effectiveness of immobilization of wrist in dorsiflexion in such cases and evaluate anatomical and functional outcome.

MATERIALS AND METHODS: Study included 54 patients, above 19 years of age with closed extra-articular fractures of lower end radius treated conservatively with below elbow cast application. The wrist was maintained in 15° of dorsiflexion during plaster immobilisation. At 24 weeks, functional results were evaluated with subjective symptoms and objective signs, as per modified Demerit Point Score System. Anatomical result was evaluated based on the scheme devised by Lidstrom (1959) and modified by Sarmiento et al. (1980).

RESULTS: 76% patients had Excellent to Good subjective symptoms. Out of 42 patients that had residual dorsal angulation of less than 10°, 37 had excellent to good functional outcome. 39 of the 43 patients who had loss of radial length less than 6 mm had excellent to good functional outcome. 40 out of 49 patients having loss of radial angulation less than 9° showed excellent to good functional outcome. Functional result was directly proportional to anatomical outcome.

CONCLUSION: Cast immobilization of extra articular fractures of lower end radius with wrist in dorsiflexion prevents re-displacement of the fragments resulting in satisfactory anatomical & functional outcome.

Keywords: Cast immobilisation; Colles fracture; Distal radius fractures; Dorsiflexion; Extra articular fractures radius

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