2007
DOI: 10.1007/s00402-007-0507-4
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Comparison of periprosthetic bone remodelling after implantation of anatomic and straight stem prostheses in total hip arthroplasty

Abstract: After implanting a CTX-S prosthesis, as opposed to PPF prostheses, a different pattern of periprosthetic bone remodelling with a slighter hypertrophy of the distal periprosthetic parts was observed. This implies that the extensive proximal, more physiological bone loading of the anatomic stem as well as the removal of less bone while implanting the stem reduces the negative effects of unphysiological strain distribution and stress shielding. The BMD loss in the medial proximal neck cannot be avoided with this … Show more

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Cited by 30 publications
(17 citation statements)
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“…Also, several human studies have indicated the efficacy of other bisphosphonates in prevention of periprosthetic bone loss (Wilkinson et al 2001, Bhandari et al 2005). Extending previous observations (Rahmy et al 2004, van der Wal et al 2008, Grochola et al 2008), the current study demonstrated higher periprosthetic bone loss in Gruen zone 7 in patients with low systemic BMD. These patients may represent an ideal target group of THA patients for definitive clinical trials of prophylactic anti-resorptive therapy.…”
Section: Discussionsupporting
confidence: 89%
See 1 more Smart Citation
“…Also, several human studies have indicated the efficacy of other bisphosphonates in prevention of periprosthetic bone loss (Wilkinson et al 2001, Bhandari et al 2005). Extending previous observations (Rahmy et al 2004, van der Wal et al 2008, Grochola et al 2008), the current study demonstrated higher periprosthetic bone loss in Gruen zone 7 in patients with low systemic BMD. These patients may represent an ideal target group of THA patients for definitive clinical trials of prophylactic anti-resorptive therapy.…”
Section: Discussionsupporting
confidence: 89%
“…However, various patient-related factors may also be involved (Venesmaa et al 2001, Aldinger et al 2003). Some studies have suggested that the rate of bone turnover determined by metabolic bone markers (Yamaguchi et al 2003) and systemic bone mineral density (BMD) measured from the lumbar spine, contralateral hip and forearm (Rahmy et al 2004, Grochola et al 2008, van der Wal et al 2008) can predict periprosthetic bone loss. The process is believed to carry a risk of implant failure and difficulty with the performance of a revision surgery (Haddad et al 1999).…”
Section: Introductionmentioning
confidence: 99%
“…Bone remodeling and osteolysis after joint replacement surgery have been extensively studied in total hip arthroplasty. 1,10,22,27,36 Numerous proinflammatory cytokines have been identified as contributors to a chronic inflammatory response influenced by implant-derived wear particles. 11,13 Osteolysis after TSA is thought to occur by much the same mechanism as in the hip.…”
Section: Discussionmentioning
confidence: 99%
“…However, the validity of these results for an in vivo situation is challenged [64] . The doubts are substantiated by radiological studies, which describe the periprosthetic bone density as locally variable and depending on the extent of porous coating and implant geometry [14,25,63] rather than homogeneously like glue or cement. Fully coated stems tend to cause a greater bone density reduction with more distal load transfer [14,16,22,40,63] , which can even result in a failure of the stem [22] .…”
Section: Discussionmentioning
confidence: 99%