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Orthop Surg. 2009 Nov;1(4):264-8. doi: 10.1111/j.1757-7861.2009.00041.x.

Treatment of aseptic diaphyseal nonunion of the lower extremities with exchange intramedullary nailing and blocking screws without open bone graft.

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1
Department of Orthopaedics, Shanghai First People's Hospital, Shanghai Jiaotong University, Shanghai, China.

Abstract

OBJECTIVE:

To report the preliminary results of the treatment of aseptic diaphyseal nonunion of the lower extremities with exchange nailing plus blocking screws.

METHODS:

Between June 2005 and September 2008, twelve patients with diaphyseal nonunion in the lower extremities (femur in five patients and tibia in seven; hypertrophic nonunion in eight patients and atrophic nonunion in four) were treated by reaming, exchanging the original intramedullary nail with a larger one, and using blocking screws, and the therapeutic effect assessed.

RESULTS:

All patients were followed up for 1-2 years (average, 1.5 years) to assess union. Bony union was achieved in all patients within 4.7-13.5 months (average, 7.8 months). All patients were pain free without any complications by the last follow-up.

CONCLUSION:

The therapeutic method of exchanging the nail combined with blocking screws is effective for aseptic nonunion of the lower extremity after intramedullary nailing.

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