J Korean Fract Soc.  2004 Apr;17(2):95-102. 10.12671/jkfs.2004.17.2.95.

Treatments of the Nonunion of Femoral Shaft Fractures after Interlocking Intramedullary Nailing

Affiliations
  • 1Department of Orthopaedic Surgery, College of Medicine, Dongguk University, Kyungju, Korea. Kangsuk@dumc.or.kr

Abstract

PURPOSE: To investigate and analyze the clinical result in the treatment of aseptic nonunion of femoral shaft fracture after interlocking intramedullary nailing
MATERIALS AND METHODS
We reviewed 23 cases of aspetic nonunion of femoral shaft fracture after interlocking intramedullary nail from March 1995 to February 2003 and follow up more than one year. 8 cases were treated by metal exchange, 3 cases by autogenous bone graft and the rest 12 cases by metal exchange and bone graft on the basis of fracture gap and type of nonunion. We evaulated nonunion type, union time and clinical result. Those patients were treated by interlocking intramedullary nail with or without bone graft. Union were accepted when the radiographic evidences showed bridging callus on both end of femoral shaft fracture with clinical evidences showing abscence of pseudomotion or pain.
RESULTS
All patients were united by one operation. Average union time were 4.8 months in metal exchange group, 3.9 months in metal exchange with autograft bone graft group, and 4.3 months in bone graft group. 15 patients (65.2%) showed hypervascular nonunion including 7 Elephant foot types (46.7%) and 8 oligotrophic types (53.5%), and 8 patients (34.8%) showed avascular nonunion according to Weber-Brunner classification
CONCLUSION
Based on our analysis on clinical outcome and stability of nonunion occuring after initial interlocking intramedullary nailing in femoral shaft fracture, interlocking intramedullary nailing with bone graft made early ambulation possible and promoting returning to normal daily life much earlier, thus based on this data, we recommend interlocking intramedullary nailing for treating femoral shaft fracture along with bone graft.

Keyword

Femur; Shaft; Nonunion; Interlocking intramedullary nail

MeSH Terms

Autografts
Bony Callus
Classification
Early Ambulation
Elephants
Femur
Follow-Up Studies
Foot
Fracture Fixation, Intramedullary*
Humans
Transplants
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