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Indian J Orthop. 2019 Nov-Dec;53(6):745-750. doi: 10.4103/ortho.IJOrtho_47_19.

Functional Outcome of Bell Tawse Procedure for the Management of Chronic Unreduced Monteggia Fracture-Dislocation in Children.

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Department of Orthopedic Surgery, KIMS Al Shifa Hospital, Perinthalmanna, Kerala, India.


Aim of Study:

Unreduced or missed Monteggia fracture-dislocation after 4 weeks is a common presentation in a tertiary care center. The aim of this study is to study the functional outcome of Bell Tawse procedure for the management of chronic unreduced Monteggia fracture-dislocation in children.

Materials and Methods:

In this retrospective study with prospective data collection, 17 children were treated with open reduction of the radial head and annular ligament reconstruction (Bell Tawse) combined with ulnar osteotomy. The cases were classified based on Bado's classification. The minimum period of followup was 14 months and maximum followup was 18 months with the mean period of followup of 16.2 months. Preoperative and postoperative Mayo Elbow Performance Index (MEPI) scores were calculated. We also compared the preoperative and postoperative Kim's elbow functional scores.


At the final followup, the radial head was maintained in a completely reduced position in 16 children. Mean preoperative MEPI score was 76.76 and mean postoperative score was 91.11, which was statistically significant (P < 0.001). Mean preoperative Kim's score was 76.94 and mean postoperative score was 91.35, which was also statistically significant (P < 0.001). One girl had a mild subluxation of the radial head at 1-year followup. The ulnar osteotomy was united in all 17 children, and none of them required secondary procedures. We have not identified any complications such as compartment syndrome, infection, posterior interosseous nerve palsy, avascular necrosis of the radial head, or loss of range of motion.


We recommend ulnar osteotomy, open reduction of the radial head, and annular ligament reconstruction in children with unreduced Monteggia fracture-dislocation before long term complications sets in.


Annular ligament reconstruction; Bell Tawse; cubitus valgus; radial head dislocation; unreduced Monteggia fracture

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