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Intramedullary limb lengthening with the Intramedullary Skeletal Kinetic Distractor in the lower limb.

Authors
  • 1
  • 1 Department of Children's Orthopaedics, Deformity Correction and Foot Surgery, Münster University Hospital, Albert-Schweitzer-Strasse 33, D-48149 Münster, Germany. [email protected] , (Germany)
Type
Published Article
Journal
Journal of Bone and Joint Surgery - British Volume
2044-5377
Publisher
British Editorial Society of Bone and Joint Surgery
Publication Date
Volume
93
Issue
6
Pages
788–792
Identifiers
DOI: 10.1302/0301-620X.93B6.25581
PMID: 21586778
Source
Medline
License
Unknown

Abstract

We report the results of intramedullary leg lengthening conducted between 2002 and 2009 using the Intramedullary Skeletal Kinetic Distractor in 69 unilateral lengthenings involving 58 femora and 11 tibiae. We identified difficulties that occurred during the treatment and assessed whether they were specifically due to the implant or independent of it. Paley's classification for evaluating problems, obstacles and complications with external fixators was adopted, and implant-specific difficulties were continuously noted. There were seven failures requiring premature removal of the device, in four due to nail breakage and three for other reasons, and five unsuccessful outcomes after completion of the lengthening. In all, 116 difficulties were noted in 45 patients, with only 24 having problem-free courses. In addition to the difficulties arising from the use of external fixators, there were almost the same number again of implant-specific difficulties. Nevertheless, successful femoral lengthening was achieved in 52 of the 58 patients (90%). However, successful tibial lengthening was only achieved in five of 11 patients (45%).

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