Systematic review on outcomes of acetabular revisions with highly-porous metals

Samik Banerjee, Kimona Issa, Bhaveen H. Kapadia, Robert Pivec, Harpal S Khanuja, Michael A. Mont

Research output: Contribution to journalArticle

Abstract

Purpose: The purpose of this study was to systematically review the literature and report the clinical and radiographic outcomes of highly-porous acetabular cups in revision settings. Method: A literature search of four electronic databases of EMBASE, CINAHL-plus, PubMed, and SCOPUS yielded 25 studies reporting the outcomes of 2,083 revision procedures with highly-porous acetabular components. There was lack of high quality evidence (level I and level II studies) and only two studies with level III evidence, while the remainder were all level IV studies. In addition, a majority of the studies had small sample sizes and had short to mid-term follow-up. The mean age of the patients was 65 years (range, 58-72 years) and the mean follow-up was 3.6 years (range, two to six years). Outcomes evaluated were aseptic survivorship, Harris hip scores, migration rates, incidence of peri-acetabular radiolucencies and radiographic restoration of the hip centre. Results: The mean aseptic survivorship was 97.2 % (range, 80-100 %). The Harris hip scores improved from a mean pre-operative score of 42 points, (range, 29-75 points), to a mean postoperative score of 79 points (range, 69-94 points). The mean incidence of cup migration and prevalence of peri-acetabular radiolucencies was 2.4 % (range, 0-8.8 %) and 4.6 % (range, 0-19 %), respectively, at final follow-up. The vertical hip centre-of-rotation was restored significantly from a mean of 39.2 mm (range, 27.6-50 mm) pre-operatively, to a mean of 24.1 mm (range, 7.4-47 mm), postoperatively. Conclusion: The short-term clinical and radiographic results of highly-porous metals in revision hip arthroplasty are excellent with a low rate of loosening in the presence of both major and minor bone loss.

Original languageEnglish (US)
Pages (from-to)689-702
Number of pages14
JournalInternational Orthopaedics
Volume38
Issue number4
DOIs
StatePublished - 2014

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Hip
Metals
Survival Rate
Incidence
PubMed
Arthroplasty
Sample Size
Outcome Assessment (Health Care)
Databases
Bone and Bones

Keywords

  • Arthroplasty
  • Highly-porous
  • Hip
  • Outcomes
  • Review
  • Revision

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Medicine(all)

Cite this

Systematic review on outcomes of acetabular revisions with highly-porous metals. / Banerjee, Samik; Issa, Kimona; Kapadia, Bhaveen H.; Pivec, Robert; Khanuja, Harpal S; Mont, Michael A.

In: International Orthopaedics, Vol. 38, No. 4, 2014, p. 689-702.

Research output: Contribution to journalArticle

Banerjee, Samik ; Issa, Kimona ; Kapadia, Bhaveen H. ; Pivec, Robert ; Khanuja, Harpal S ; Mont, Michael A. / Systematic review on outcomes of acetabular revisions with highly-porous metals. In: International Orthopaedics. 2014 ; Vol. 38, No. 4. pp. 689-702.
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abstract = "Purpose: The purpose of this study was to systematically review the literature and report the clinical and radiographic outcomes of highly-porous acetabular cups in revision settings. Method: A literature search of four electronic databases of EMBASE, CINAHL-plus, PubMed, and SCOPUS yielded 25 studies reporting the outcomes of 2,083 revision procedures with highly-porous acetabular components. There was lack of high quality evidence (level I and level II studies) and only two studies with level III evidence, while the remainder were all level IV studies. In addition, a majority of the studies had small sample sizes and had short to mid-term follow-up. The mean age of the patients was 65 years (range, 58-72 years) and the mean follow-up was 3.6 years (range, two to six years). Outcomes evaluated were aseptic survivorship, Harris hip scores, migration rates, incidence of peri-acetabular radiolucencies and radiographic restoration of the hip centre. Results: The mean aseptic survivorship was 97.2 {\%} (range, 80-100 {\%}). The Harris hip scores improved from a mean pre-operative score of 42 points, (range, 29-75 points), to a mean postoperative score of 79 points (range, 69-94 points). The mean incidence of cup migration and prevalence of peri-acetabular radiolucencies was 2.4 {\%} (range, 0-8.8 {\%}) and 4.6 {\%} (range, 0-19 {\%}), respectively, at final follow-up. The vertical hip centre-of-rotation was restored significantly from a mean of 39.2 mm (range, 27.6-50 mm) pre-operatively, to a mean of 24.1 mm (range, 7.4-47 mm), postoperatively. Conclusion: The short-term clinical and radiographic results of highly-porous metals in revision hip arthroplasty are excellent with a low rate of loosening in the presence of both major and minor bone loss.",
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AB - Purpose: The purpose of this study was to systematically review the literature and report the clinical and radiographic outcomes of highly-porous acetabular cups in revision settings. Method: A literature search of four electronic databases of EMBASE, CINAHL-plus, PubMed, and SCOPUS yielded 25 studies reporting the outcomes of 2,083 revision procedures with highly-porous acetabular components. There was lack of high quality evidence (level I and level II studies) and only two studies with level III evidence, while the remainder were all level IV studies. In addition, a majority of the studies had small sample sizes and had short to mid-term follow-up. The mean age of the patients was 65 years (range, 58-72 years) and the mean follow-up was 3.6 years (range, two to six years). Outcomes evaluated were aseptic survivorship, Harris hip scores, migration rates, incidence of peri-acetabular radiolucencies and radiographic restoration of the hip centre. Results: The mean aseptic survivorship was 97.2 % (range, 80-100 %). The Harris hip scores improved from a mean pre-operative score of 42 points, (range, 29-75 points), to a mean postoperative score of 79 points (range, 69-94 points). The mean incidence of cup migration and prevalence of peri-acetabular radiolucencies was 2.4 % (range, 0-8.8 %) and 4.6 % (range, 0-19 %), respectively, at final follow-up. The vertical hip centre-of-rotation was restored significantly from a mean of 39.2 mm (range, 27.6-50 mm) pre-operatively, to a mean of 24.1 mm (range, 7.4-47 mm), postoperatively. Conclusion: The short-term clinical and radiographic results of highly-porous metals in revision hip arthroplasty are excellent with a low rate of loosening in the presence of both major and minor bone loss.

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