Document Detail

High tibial osteotomy for medial osteoarthritis of the knee: 15 years follow-up.
MedLine Citation:
PMID:  20082076     Owner:  NLM     Status:  MEDLINE    
We reviewed 192 patients (224 knees) to assess the results of HTO in medial gonarthrosis during the period 1982-2008. Median follow-up was about 15 years for 134 females and 58 males. Among the knees, 118 had an average opening wedge for varus angle of 13 degrees and 106 had closing wedges of 11 degrees. Knee Society scoring before osteotomies was 68/200 for opening wedge and 81/200 for closing wedge. Modified Ahlback classification showed preoperative grades I (n = 44), II (78), III (83) and IV (19). Healing delay was 55 days for closing and 70 for opening osteotomy. Twenty-nine knees were still painful. Twenty-eight patients were revised and 19 others had complications. After opening wedge osteotomy, scoring was 101/200 and valgus angle was 2 degrees. After closing wedge osteotomy, scoring was 94/200 and valgus angle was 4 degrees. Global results were as follows: very good, 12%; good, 30%; fair, 31%; and poor, 27%. HTO decreases stresses on medial compartments and widens joint space. The average of 5 degrees mechanical valgus at the time of osteotomy seems to be quite effective at the follow-up for at least ten years. Our indications are opening wedge for grades 1-3 and wide varus angle, until the age of between 65-70. Closing wedge is indicated for medium varus in younger patients.
Thami Benzakour; Abderrazak Hefti; Mohamed Lemseffer; Jamal Dine El Ahmadi; Houssam Bouyarmane; Ahmed Benzakour
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Publication Detail:
Type:  Journal Article     Date:  2010-01-15
Journal Detail:
Title:  International orthopaedics     Volume:  34     ISSN:  1432-5195     ISO Abbreviation:  Int Orthop     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-06-28     Completed Date:  2010-09-28     Revised Date:  2013-05-31    
Medline Journal Info:
Nlm Unique ID:  7705431     Medline TA:  Int Orthop     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  209-15     Citation Subset:  IM    
Zerktouni Orthopaedic Clinic, Casablanca, Morocco.
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MeSH Terms
Follow-Up Studies
Joint Deformities, Acquired / complications,  physiopathology,  surgery*
Knee Prosthesis
Middle Aged
Osteoarthritis, Knee / complications,  physiopathology,  surgery*
Osteotomy / methods*
Pain Measurement
Range of Motion, Articular
Recovery of Function
Severity of Illness Index
Stress, Mechanical
Tibia / radiography,  surgery*
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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