Long-Term Outcomes of Ultra-Short Metaphyseal-Fitting Anatomic Cementless Femoral Stem in Total Hip Arthroplasty With Ceramic-on-Ceramic Articulation for Young Patients

Kim, Young Hoo; Park, Jang Won

doi:10.1016/j.arth.2019.04.036

Cited by 13 publications

(14 citation statements)

References 49 publications

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“…There are only a few long-term studies of short stems. A prospective study of an ultra-short stem (Proxima, DePuy, Leeds, UK) showed no proximal BMD loss (Gruen zones 1 and 7) after 14 to 17 years compared with preoperative BMD ( 21 ). Long-term studies of the CFP stem are scarce.…”

Section: Discussionmentioning

confidence: 99%

“…30 patients (18 women) with a mean age of 56 years (42-65) were recruited. BMI was 27 (20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35). They were scheduled for THA with the uncemented CFP stem and the uncemented trabeculae-oriented pattern (TOP) cup (Waldemar Link GmbH & Co. KG, Hamburg, Germany).…”

Section: Original Studymentioning

confidence: 99%

“…This study included 21 patients (10 women) with a median age of 64 years (55-73) and a median BMI of 27 (20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32).…”

Section: Present Studymentioning

confidence: 99%

“…Between 2 and 8 years we found a 14% (95% confidence interval [CI] 9-19) reduction in BMD in Gruen zone 6 and 17% (CI 6-28) in Gruen zone 7. From baseline the reduction in BMD was 30% (CI [23][24][25][26][27][28][29][30][31][32][33][34][35][36] in Gruen zone 6, 39% (CI [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47] in Gruen zone 7, and 19% (CI [14][15][16][17][18][19][20][21][22][23] in Gruen zone 2. Between 2 and 8 years, RSA (n = 17) showed a mean translation along the stem axis of 0.02 mm (CI -0.02 to 0.06) and a mean rotation around the stem axis of 0.08° (CI -0.26 to 0.41).…”

mentioning

confidence: 99%

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Continuous periprosthetic bone loss but preserved stability for a collum femoris-preserving stem: follow-up of a prospective cohort study of 21 patients with dualenergy X-ray absorptiometry and radiostereometric analysis with minimum 8 years of follow-up

Nyström

Kiritopoulos

Mallmin

et al. 2022

ActaO

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Background and purpose — We previously described a decrease in bone mineral density (BMD) in the calcar region 2 years after insertion of the collum femoris-preserving (CFP) stem, but the implants were stable. Now we have examined the long-term changes in periprosthetic BMD and stability of the CFP stem. Patients and methods — We conducted a minimum 8-year follow-up of 21 patients from our original investigation. We examined periprosthetic BMD by dual-energy X-ray absorptiometry (DEXA) and implant stability by radiostereometric analysis (RSA). Results — Between 2 and 8 years 1 stem was revised due to aseptic loosening. Between 2 and 8 years we found a 14% (95% confidence interval [CI] 9–19) reduction in BMD in Gruen zone 6 and 17% (CI 6–28) in Gruen zone 7. From baseline the reduction in BMD was 30% (CI 23–36) in Gruen zone 6, 39% (CI 31–47) in Gruen zone 7, and 19% (CI 14–23) in Gruen zone 2. Between 2 and 8 years, RSA (n = 17) showed a mean translation along the stem axis of 0.02mm (CI –0.02 to 0.06) and a mean rotation around the stem axis of 0.08° (CI –0.26 to 0.41). From baseline mean subsidence was 0.07 mm (CI –0.16 to 0.03) and mean rotation around the stem axis was 0.23° (CI –0.23 to 0.68) at 8 years. Interpretation — There was continuous loss of proximomedial BMD at 8 years while the CFP stem remained stable. Proximal periprosthetic bone loss cannot be prevented by this stem.

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Section: Discussionmentioning

confidence: 99%

Section: Original Studymentioning

confidence: 99%

“…This study included 21 patients (10 women) with a median age of 64 years (55-73) and a median BMI of 27 (20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32).…”

Section: Present Studymentioning

confidence: 99%

mentioning

confidence: 99%

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Continuous periprosthetic bone loss but preserved stability for a collum femoris-preserving stem: follow-up of a prospective cohort study of 21 patients with dualenergy X-ray absorptiometry and radiostereometric analysis with minimum 8 years of follow-up

Nyström

Kiritopoulos

Mallmin

et al. 2022

ActaO

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“… Real/possible applications of ceramics: ( a ) ceramic implant system in medical application [ 25 ], ( b ) ceramic turbine rotor [ 26 ], ( c ) ceramic crown [ 27 ], ( d ) unicondylar knee prostheses [ 28 ], ( e ) ceramic femoral head [ 29 ], ( f ) ceramic liner [ 30 ], ( g ) ceramic textile roller, ( h ) SEM image of SiC abrasive particles [ 31 ], ( i ) catalyst honeycombs used in automobile applications [ 32 ], ( j ) cross-section of a honeycomb [ 33 ], ( k ) Si 3 N 4 -based cutting tools [ 34 ], ( l ) Si 3 N 4 ball bearings [ 35 ]. Reused with permission from Elsevier.…”

Section: Figurementioning

confidence: 99%

A Review on Surface Finishing Techniques for Difficult-to-Machine Ceramics by Non-Conventional Finishing Processes

et al. 2022

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Ceramics are advanced engineering materials in which have been broadly used in numerous industries due to their superior mechanical and physical properties. For application, the industries require that the ceramic products have high-quality surface finishes, high dimensional accuracy, and clean surfaces to prevent and minimize thermal contact, adhesion, friction, and wear. Ceramics have been classified as difficult-to-machine materials owing to their high hardness, and brittleness. Thus, it is extremely difficult to process them with conventional finishing processes. In this review, trends in the development of non-conventional finishing processes for the surface finishing of difficult-to-machine ceramics are discussed and compared to better comprehend the key finishing capabilities and limitations of each process on improvements in terms of surface roughness. In addition, the future direction of non-conventional finishing processes is introduced. This review will be helpful to many researchers and academicians for carrying out additional research related to the surface finishing techniques of ceramics for applications in various fields.

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Stem Choice for Anterior Approach Total Hip Arthroplasty: Surgeon Perspectives

Kamath

Yerasimides

Nogler

et al. 2022

Anterior Hip Replacement

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Long-Term Outcomes of Ultra-Short Metaphyseal-Fitting Anatomic Cementless Femoral Stem in Total Hip Arthroplasty With Ceramic-on-Ceramic Articulation for Young Patients

Cited by 13 publications

References 49 publications

Continuous periprosthetic bone loss but preserved stability for a collum femoris-preserving stem: follow-up of a prospective cohort study of 21 patients with dualenergy X-ray absorptiometry and radiostereometric analysis with minimum 8 years of follow-up

Continuous periprosthetic bone loss but preserved stability for a collum femoris-preserving stem: follow-up of a prospective cohort study of 21 patients with dualenergy X-ray absorptiometry and radiostereometric analysis with minimum 8 years of follow-up

A Review on Surface Finishing Techniques for Difficult-to-Machine Ceramics by Non-Conventional Finishing Processes

Stem Choice for Anterior Approach Total Hip Arthroplasty: Surgeon Perspectives

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