PRIMARY DYNAMIZATION OF INTERLOCKING INTRAMEDULLARY NAIL IN TREATMENT OF TIBIAL SHAFT FRACTURES IN ADULTS

Document Type : Original articles: include clinical trials, interventional research, Basic researches and clinically relevant laboratory investigations

Authors

Orthopedics and Traumatology dept., Sohag Faculty of Medicine, Sohag, Egypt

Abstract

Purpose: Static intramedullary interlocking nail (IMILN) is common method of treatment fracture of shaft of tibia in adults. However, sometimes it is associated with delayed union or non-union. The aim of this work was to evaluate outcomes of primary dynamization of interlocking intramedullary nail without proximal locking screws in treatment of mid and distal shaft tibia fractures in adults. Methods: It is a prospective case series study which included 20 skeletally mature patients presented by mid shaft or distal shaft tibial fractures, AO types A, B1, and B2, and Gustilo-Anderson grades 1 or 2. All patients were treated by IMILN without proximal locking screws (primary dynamization). Functional assessment was done by Bostman score and VAS score for pain at last follow up. Radiographic assessment was done by X-ray A/P and lateral views of whole leg including knee and ankle joints and mRUST score at last follow up. Results: Mean age for participants was 33.25 ± 8.26 years. Mean operative time was (66.25± 4.83) min. Mean final Bostman score was 28.05±2.33. Mean final VAS was 0.75±1.45. Mean time of radiographic union was 14±1.86 weeks. Conclusions: Primary dynamization of IMILN without proximal locking screws technique showed short operation times, fast radiographic union, good functional outcomes, and a trend towards pain relief. These findings are supporting the use of primary dynamization for enhancing fracture healing and functional recovery.

Keywords

Egyptian Journal of Orthopedic Research
Volume 5, Issue 2
September 2025
Pages 55-60

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