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Year : 2019  |  Volume : 53  |  Issue : 6  |  Page : 736-744

Short term results of a new comprehensive protocol for the management of congenital pseudarthrosis of the Tibia

Department of Orthopaedics, Bai Jerbai Wadia Hospital for Children, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Sandeep Vijaykumar Vaidya
Pinnacle Orthocentre Hospital, 1st/2nd Floor, Blue Nile Commercial Complex, Chandanwadi Signal, Junction of LBS Marg and Almeida Road, Thane West, Thane - 400 602, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ortho.IJOrtho_155_19

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Background: Treatment of Congenital Psuedarthrosis of Tibia (CPT) often poses significant challenges due to difficulty in achieving union and subsequent complications like refractures, implant failures, etc. Our new comprehensive protocol is aimed at achieving crossunion between the tibia and fibula. Aims and objectives: The aim of the present study is to evaluate the short-term results of our new protocol and to compare the results with our previously used techniques. Materials and Methods: 10 patients with mean age 2.35 years (1 to 6.5 years) who were treated by our new comprehensive protocol were included in Group A, and 11 patients with mean age 2 years (1 to 5.5 years) who primarily underwent intramedullary rodding with bone graft were included in Group B. The new comprehensive protocol consisted of pre-operative Zolendronate infusion, surgery consisting of intramedullary fixation of tibia supplemented with Ilizarov ring fixator and bone grafting aimed at achieving tibia-fibula cross-union. Retrospective evaluation of serial radiographs was performed and outcomes with respect to union and subsequent complications were analysed. Results: 10/10 (100%) patients in Group A united, whereas union was achieved in only 8/11 (72%) patients in Group B. The index surgery was successful in achieving union in all 10 patients in Group A, whereas in Group B 2.25 (1 to 4) surgeries were needed to achieve union. The time to union was significantly shorter in Group A (4.68 months) as compared to Group B (30.88 months). The cross sectional area of union was significantly greater in Group A (3.82 cm2) as compared to Group B (1.18 cm2). One patient in Group A needed a subsequent corrective osteotomy for tibial valgus, and one patient underwent tibia lengthening; whereas in Group B, two patients needed corrective osteotomes for residual malaligments. Conclusion: Our study demonstrates that the new comprehensive protocol is extremely effective for achieving sound union in Congenital Pseudarthrosis of Tibia.

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