Cementless Total Hip Arthroplasty Using VerSys Fiber Metal Midcoat Stem: a Minimum 3-Years Follow-up

Yoo, Ju Hyung; Kim, Sung Guk; Han, Chang Dong; Oh, Hyun Chul; Yoon, Han Kook

doi:10.5371/jkhs.2010.22.1.45

Cited by 2 publications

(2 citation statements)

References 24 publications

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“…All patients in this study had no thigh pain and just proximal femoral bone resorption as grade 1 or none during the follow-up. This result is comparable with other studies using conventional cementless femoral stem 26 27) and is similar to other studies which reported on the results of THA using a Proxima™ stem 4 10) . Ghera and Pavan 18) reviewed the clinical and radiological results of 65 hips underwent THA using the same stem used in this study with the mean follow-up of 1.7 years.…”

Section: Discussionsupporting

confidence: 92%

“…They reported neutral and varus position were 136 (94.4%) and 8 (5.6%) of 144 hips, respectively, when they defined neural position within 3° deviation. These results were not different as compared with conventional THA 26) . The main factors of the varus position are the improper entry hole position and inadequate hit force during the round-the-corner broaching.…”

Section: Discussionmentioning

confidence: 60%

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The Short-term Clinical Outcome of Total Hip Arthroplasty Using Short Metaphyseal Loading Femoral Stem

Choi

Kim

2016

Hip & Pelvis

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PurposeThe purpose of this study was to retrospectively evaluate the short-term clinical and radiological outcomes of total hip arthroplasty (THA) with short metaphyseal loading femoral stem.Materials and MethodsWe retrospectively reviewed the records of 56 cases in 47 patients who had undergone THA with short metaphyseal loading femoral stem from April 2010 to December 2011. There were 20 males and 27 females. The mean age was 54 years (range, 26-77 years). The average follow up period was 4.6 years. Clinical results were evaluated by Harris hip scores (HHS) before the operation and at the last follow-up. Radiographic analysis was done by evaluating osteolysis, loosening, stress shielding, and alignement.ResultsThe mean HHS significantly improved from 45 (range, 15-58) preoperatively to 98 (range, 85-100) at the last follow-up. In radiographic analyses, there was no evidence of osteolysis or loosening around the stems and the acetabuluar components. All cases showed rounding off of the calcar, grade 1 bone resorption of the proximal femur. With regard to implant alignment, 51 femoral component (91.1%) were in neutral position, and 5 (8.9%) were in varus position. There was 1 intraoperative fracture treated by cerclage wiring and no case was revised during follow-up period.ConclusionAlthough longer follow-up is needed to confirm the durability of the short metaphyseal loading femoral stem, this short stem might provide stable fixation without diaphyseal fixation and demonstrated good clinical result at mean 4.6 year short term follow-up.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 60%

The Short-term Clinical Outcome of Total Hip Arthroplasty Using Short Metaphyseal Loading Femoral Stem

Choi

Kim

2016

Hip & Pelvis

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Midterm Results of Total Hip Arthroplasty Using the VerSys Fiber Metal Tapered Femoral Stem

et al. 2012

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Purpose:We evaluated the clinical and radiological results of patients who received the cementless VerSys fiber metal tapered stem for total hip arthroplasty. Materials and Methods: Thirty seven hip joint replacements(31 patients) were evaluated over a minimum four year period following the procedure with an average follow-up period of 56 months(48-96 months). The mean patient age was 47.9 years old. Clinical results were analyzed using Harris hip scores, incidence of thigh pain and radiographic analysis was used to assess fixation of the stem, stress shielding, cortical hypertrophy and radiolucent lines around the femoral stem. Results: The average Harris hip score was 90.7 points(82-99 points). Thigh pain was noticed in 6 hips(16%). Proximal femoral bone resorption by stress shielding was observed in 32 hips(86.5%). Cortical hypertrophy was noticed in 16 hips(43.2%) and was statistically correlated with stress shielding of 2nd degree or more according to the Engh classification. Stable bone ingrowth at the last follow-up was seen in 36 hips(97.2%). Conclusion: Cementless total hip arthroplasty using the cementless VerSys fiber metal tapered stem demonstrated excellent midterm clinical results as well as excellent radiologic results for stable fixation and endosteal new bone formtion. However, long term follow-up evaluation will be required because of the high rates of proximal bone resorption by stress shielding.

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Cementless Total Hip Arthroplasty Using VerSys Fiber Metal Midcoat Stem: a Minimum 3-Years Follow-up

Cited by 2 publications

References 24 publications

The Short-term Clinical Outcome of Total Hip Arthroplasty Using Short Metaphyseal Loading Femoral Stem

The Short-term Clinical Outcome of Total Hip Arthroplasty Using Short Metaphyseal Loading Femoral Stem

Midterm Results of Total Hip Arthroplasty Using the VerSys Fiber Metal Tapered Femoral Stem

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