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Abstracts Posters SICOT-SOF meeting Gothenburg 2010 _2_

Abstracts Posters SICOT-SOF meeting Gothenburg 2010 _2_

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Poster<br />

Topic: Arthroplasty - Knee<br />

Abstract number: 24607<br />

MULTICENTRE CLINICAL STUDY OF A KNEE ARTHROPLASTY. IS THERE ANY<br />

DIFFERENCE RELATED TO PATELLAR SUBSTITUTION?<br />

Jose Manuel FERNANDEZ-CARREIRA 1 , Daniel HERNANDEZ-VAQUERO 2 , Manuel<br />

Angel SANDOVAL-GARCIA 1<br />

1 Hospital San Agustin, Aviles (SPAIN), 2 School of Medicine, Oviedo (SPAIN)<br />

INTRODUCTION: A multicentre clinical outcome study evaluating Interax knee<br />

arthroplasty (Stryker Orthopaedics) included a regular clinical (HSSscore) and<br />

radiological follow-up. The Spanish Interax group was composed by a heterogeneous<br />

group of 12 hospitals with different experience in prosthetic surgery. MATERIAL AND<br />

METHODS: 1286 knee arthroplasties prospectively studied, 312 with 5 year followup.<br />

Group-A: 128 arthroplasties with patella substitution and Group-B 184 without<br />

patella substitution. Mean age: 69,2 for Group-A, 66,9 for Group-B, male-female<br />

ratio: 17,9/82.1 Group-A and 20.6/79.4 Group-B and preoperative diagnosis of<br />

arthrosis (92.8% Group-A and 90.5% Group-B were not statistically different. Chisquare<br />

and ANOVA tests were used RESULTS: HSS score improved from 53.5 to<br />

86.4 in Group-A, 50.7 to 85.7 in Group-B. There was significant statistical difference<br />

between pre and post-operative scores (p

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