2012
DOI: 10.1002/jor.22214
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Asymptomatic prospective and retrospective cohorts with metal‐on‐metal hip arthroplasty indicate acquired lymphocyte reactivity varies with metal ion levels on a group basis

Abstract: Some tissues from metal-on-metal (MoM) hip arthroplasty revisions have shown evidence of adaptive-immune reactivity (i.e., excessive peri-implant lymphocyte infiltration/activation). We hypothesized that, prior to symptoms, some people with MoM hip arthroplasty will develop quantifiable metal-induced lymphocyte reactivity responses related to peripheral metal ion levels. We tested 3 cohorts (Group-1: n=21 prospective longitudinal MoM hip arthroplasty; Group-2: n=17 retrospective MoM hip arthroplasty; and Group… Show more

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Cited by 39 publications
(32 citation statements)
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“…The adverse local tissue reaction and lymphocyte response to metals debris can develop prior to clinical symptoms 37 . Therefore, metal ion levels have been used as a surrogate marker of corrosion wear at the articulating surface or modular junction 38 , which may continue to increase for years after surgery 39 .…”
Section: Discussionmentioning
confidence: 99%
“…The adverse local tissue reaction and lymphocyte response to metals debris can develop prior to clinical symptoms 37 . Therefore, metal ion levels have been used as a surrogate marker of corrosion wear at the articulating surface or modular junction 38 , which may continue to increase for years after surgery 39 .…”
Section: Discussionmentioning
confidence: 99%
“…Lymphocytes have been shown that they can play a central role in the failure of some kinds of orthopedic implants (3336). The subtypes of T-cells that dominate implant debris-associated responses are T-helper (TH) cells (3336).…”
Section: Adaptive Immune Responsesmentioning
confidence: 99%
“…NOTE: For the purpose of statistical analysis, mass spectroscopy values of half the detection limit was assigned to ions concentrations levels below that limit 29 .…”
Section: Protocolmentioning
confidence: 99%