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1.
China Journal of Orthopaedics and Traumatology ; (12): 648-651, 2011.
Article in Chinese | WPRIM | ID: wpr-351649

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the clinical effects of the minimal invasive osteotomy treatment for hallux valgus combined with tailor's bunion deformity.</p><p><b>METHODS</b>From May 2007 to May 2009, Forty-nine feet of 32 patients (a mean age of 57 years old) of hallux valgus combined with tailor's bunion deformity were reviewed retrospectively, including 2 males(2 feet) and 30 females (47 feet). All patients were treated by the minimal invasive osteotomy. The axial and lateral films of all feet with loading were taken before and after operation. The hallux abducto valgus angle(HAV),intermetatarsal angle(IM), fourth-fifth intermetatarsal angle (IM 4 to 5), modified fourth-fifth intermetatarsal angle (MIM 4 to 5), Metatarsophalangeal-fifth angle (MPA) and lateral deviation of the fifth matatarsal angle (LDA) were compared before and after operation. Therapeutic effects of all the patients were observed after operation, the item including AFAS score and WEN Jian-min's therapeutic effects standard.</p><p><b>RESULTS</b>The average operating time was 40 minutes. All the patients were followed up,and the duration ranged from 6 to 24 months. The HAV angle, IM angle, IM 4 to 5 angle, MIM 4 to 5 angle,MPA angle and LDA angle significantly decreased after operation. The AFAS score significantly raised after operation. According to the criteria, 33 feet got an excellent result, 15 good and 1 fair.</p><p><b>CONCLUSION</b>The minimal invasive osteotomy treatment for hallux valgus combined with tailor's bunion is effective and safe. This method is mini-trauma,less pain and it can make a very soon rehabilitation. This method has widely clinical value.</p>


Subject(s)
Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Bunion, Tailor's , General Surgery , Hallux Valgus , General Surgery , Minimally Invasive Surgical Procedures , Methods , Osteotomy , Methods
2.
China Journal of Orthopaedics and Traumatology ; (12): 365-367, 2008.
Article in Chinese | WPRIM | ID: wpr-263684

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the effect of alendronate on the prevention and treatment of aseptic loosening of prosthesis.</p><p><b>METHODS</b>A rat model of particle-induced osteolysis was used. Thirty-xis SD rats were divided into three groups: negative control group, positive control group and experiment group. Alendronate was administered by ig in experiment group. Positive control group and experiment group received intro-articular injections of ultrahigh molecular weight polyethylene (UHMWPE) particles at 4, 6, 8, 10 weeks postoperatively. Negative control group was received injection with mixture solution of mouse serum and PBS only. All animals were sacrificed at 12 weeks after operation for histologic examination. In vitro human peripheral blood mononuclear (PBMC)were separated and cultured and divided into five groups as group A: PBMC group, group B: PBMC and particles,group C:PBMC and particles with 10(-4) mol/L alendronate, group D:PBMC and particles with 10(-5) mol/L alendronate, group E: PBMC and particles with 10(-6) mol/L alendronate. The production of IL-1beta, IL-6, TNF-alpha in each group were tested.</p><p><b>RESULTS</b>Alendronate could prevent particle-induced osteolysis. The production of IL-1beta, IL-6, TNF-alpha was inhibited when alendronate was used.</p><p><b>CONCLUSION</b>Alendronate can inhibit bone absorptive factors expression induced by wear particles and may be used in the prevention and treatment of aseptic loosening of prosthesis.</p>


Subject(s)
Animals , Female , Humans , Male , Rats , Alendronate , Cytokines , Metabolism , Joint Prosthesis , Joints , Metabolism , General Surgery , Osteolysis , Drug Therapy , Metabolism , Prosthesis Failure , Rats, Sprague-Dawley
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