Patient-specific three-dimensional evaluation of interface micromotion in two different short stem designs in cementless total hip arthroplasty: a finite element analysis

HIGHLIGHTS

• who: Arata Kanaizumi from the The subjects consisted of patients who underwent total hip arthroplasty (THA) with a Fitmore or GTS stem (both stems are manufactured by Zimmer Biomet Holdings, Inc [, ]Indiana, USA) (Fig., ) at Sapporo Medical University Hospital between April , and March, . With regard to the stem used, patients were randomly selected by the permuted block method. All patients underwent computer tomography (CT) imaging for preoperative and postoperative evaluation. Patient selection criteria were as follows: a Dorr classification type B [13] and age less than , years. Only femurs with type B Dorr classification were selected to . . .
  

   

  

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