Rana Shahbaz Ahmad, Muhammad Suhail Amin, Muhammad Omar Rathore, Bushra Hassan, Javaid Iqbal, Adeel Qamar.
Comparision of Distal Uniplanar Locking with Biplanar Distal Locking in Intramedullary Interlocking Nailing of Fractures Distal Shaft of Tibia.
Pak Armed Forces Med J Jan ;72(2):637-40.

Objective: To study the effects of distal uniplanar locking and distal bi planar locking on union times in uncomplicated fractures distal shaft of tibia managed with an intramedullary interlocking nail. Study Design: Comparative prospective study. Place and Duration of Study: Department of Orthopedics and Trauma Combined Military Hospital Rawalpindi from Jan to Nov 2020. Methodology: Fifty-three patients having fractures distal shaft of tibia managed with intramedullary interlocking nail were studied. Twenty-nine patients were managed using two interlocking screws distally (uniplanar) in coronal plane (group-1). Twenty-four patients were managed with three bi planar screws comprising two coronal and one sagittal distal interlocking screw (group-2). Patients were followed every 4 weeks, and bone union time was assessed. Isolated closed fractures treated with closed reduction were included. Results: Patients treated with distal bi planar locking (group-2) had significantly reduced union time in weeks (11.25 ± 1.42) compared to uniplanar distal interlocking (group-1) (15.79 ± 1.80) (p<.001). Conclusion: Union time for distal tibia shaft fractures is significantly reduced when treated with distal biplanar locking; it can be attributed to increased stability of the construct.

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