Document Detail

Comparison of sagittal and frontal plane alignment after open- and closed-wedge osteotomy: a matched-pair analysis.
MedLine Citation:
PMID:  18831905     Owner:  NLM     Status:  MEDLINE    
High tibial osteotomy (HTO) is a procedure for treating medial compartment osteoarthritis (OA) of the varus deformed knee. Frontal and sagittal alignment after closed- and open-wedge HTO were compared radiologically in a matched-pair study. The mean intra-operative frontal plane correction (FT axis) was +7.5 degrees for closed-wedge HTO and +8 degrees for open-wedge HTO; it increased by +0.5 degrees in closed-wedge HTO and decreased by -0.5 degrees in open-wedge HTO at last follow-up. Post-operatively, tibial slope had decreased by -0.5 degrees in closed-wedge HTO and increased significantly by +3 degrees in open-wedge HTO. Both techniques effectively and safely corrected varus deformity. A high degree of stability of the frontal plane correction was noted, however a significant change in the tibial slope after open-wedge HTO was observed post-operatively. As no loss of correction was shown, it may be related to the surgical technique rather than to the implant used.
T K Schaefer; M Majewski; M T Hirschmann; N F Friederich
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of international medical research     Volume:  36     ISSN:  0300-0605     ISO Abbreviation:  J. Int. Med. Res.     Publication Date:    2008 Sep-Oct
Date Detail:
Created Date:  2008-10-03     Completed Date:  2008-10-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0346411     Medline TA:  J Int Med Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  1085-93     Citation Subset:  IM    
Department of Orthopaedic Surgery and Traumatology, Kantonsspital Bruderholz, Bruderholz, Switzerland.
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MeSH Terms
Bone Malalignment / surgery
Internal Fixators
Matched-Pair Analysis
Osteoarthritis, Knee / pathology,  surgery*
Osteotomy / instrumentation,  methods*
Tibia / radiography,  surgery*

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