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Comparative study of intertrochanteric fracture fixation using proximal femoral nail with and without distal interlocking screws

引用

World Journal of Orthopedics 2022年第3期13卷 267-277页

作者： Nadeem A Lil Vipul R Makwana Tirth D Patel Arjav R Patel Department of Orthopaedics NHL Medical CollegeAhmedabad 380006GujaratIndia

BACKGROUND Intertrochanteric(IT)fracture is one of the most common fractures seen in an orthopaedic *** femoral nailing(PFN)is a common modality of fixing IT femur *** retrospectively studied whether a PFN with two proximal lag screws can be done without distal interlocking screws in the 31-A1 and 31-A2 fracture patterns according to the Arbeitsgemeinschaft für Osteosynthesefragen/Orthopaedic Trauma Association(AO/OTA)guidelines for IT femur *** To compare the outcomes of IT fractures(AO/OTA 31-A1 and 31-A2)treated by PFN with and without distal interlocking *** We carried out a retrospective study of 140 patients in a tertiary care centre who had AO/OTA type 31-A1 and 31-A2 IT *** divided the patients into two groups,in which one of the groups received distal interlocking screws(group 1)and the other group did not(group 2).The subjects were followed up for a mean period of 14 mo and assessed for radiological union time,fracture site collapse,mechanical stability of implant,and complications associated with the PFN with distal interlocking and without distal ***,the results were *** PFN without distal interlocking screws has several advantages and gives better results over PFN with distal interlocking screws in the AO/OTA 31-A2 fracture ***,similar results were observed in both groups with the fracture pattern AO/OTA *** patients with fracture pattern AO/OTA 31-A2 treated by PFN without distal interlocking screws,there were minimal proximal lockrelated complications and no risk of distal interlock-related *** operative time,IITV radiation time and time to radiological union were *** patients also had better rotational alignment of the proximal femur,and the anatomy of the proximal femur was well *** was also noted that in the cases where distal interlocking was performed,there was a gradual decrease in neck shaft angle,which led to varus

关键词： Intertrochanteric fracture Arbeitsgemeinschaft für Osteosynthesefra-gen/Orthopaedic Trauma Association 31-A1 and 31-A2 Proximal femoral nail distal interlocking screws Without distal interlocking screws Outcome

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