Limb lengthening and then insertion of an intramedullary nail: A case-matched comparison

S. Robert Rozbruch, Dawn Kleinman, Austin T. Fragomen, Svetlana Ilizarov

Research output: Contribution to journalArticlepeer-review

142 Scopus citations

Abstract

Distraction osteogenesis is an effective method for lengthening, deformity correction, and treatment of nonunions and bone defects. The classic method uses an external fixator for both distraction and consolidation leading to lengthy times in frames and there is a risk of refracture after frame removal. We suggest a new technique: lengthening and then nailing (LATN) technique in which the frame is used for gradual distraction and then a reamed intramedullary nail inserted to support the bone during the consolidation phase, allowing early removal of the external fixator. We performed a retrospective case-matched comparison of patients lengthened with LATN (39 limbs in 27 patients) technique versus the classic (34 limbs in 27 patients). The LATN group wore the external fixator for less time than the classic group (12 versus 29 weeks). The LATN group had a lower external fixation index (0.5 versus 1.9) and a lower bone healing index (0.8 versus 1.9) than the classic group. LATN confers advantages over the classic method including shorter times needed in external fixation, quicker bone healing, and protection against refracture. There are also advantages over the lengthening over a nail and internal lengthening nail techniques. Level of Evidence: Level III, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.

Original languageEnglish
Pages (from-to)2923-2932
Number of pages10
JournalClinical Orthopaedics and Related Research
Volume466
Issue number12
DOIs
StatePublished - Dec 2008
Externally publishedYes

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