How Do Metal Ion Levels Change over Time in Hip Resurfacing Patients? A Cohort Study
Joint Authors
Cadossi, Matteo
Giannini, Sandro
Savarino, Lucia
Chiarello, Eugenio
Fotia, Caterina
Greco, Michelina
Baldini, Nicola
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-12-14
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Medicine
Information Technology and Computer Science
Abstract EN
Metal-on-metal hip resurfacing (MOM-HR) is offered as an alternative to traditional hip arthroplasty for young, active adults with advanced osteoarthritis.
Nevertheless, concerns remain regarding wear and corrosion of the bearing surfaces and the resulting increase in metal ion levels.
We evaluated three cohorts of patients with Birmingham hip resurfacing (BHR) at an average follow-up of 2, 5, and 9 years.
We asked whether there would be differences in ion levels between the cohorts and inside the gender.
Nineteen patients were prospectively analyzed.
The correlation with clinical-radiographic data was also performed.
Chromium, cobalt, nickel, and molybdenum concentrations were measured by atomic absorption spectrophotometry.
Chromium and cobalt levels demonstrated a tendency to decrease over time.
Such tendency was present only in females.
An inverse correlation between chromium, implant size, and Harris hip score was present at short term; it disappeared over time together with the decreased ion levels.
The prospective analysis showed that, although metal ion levels remained fairly constant within each patient, there was a relatively large variation between subjects, so mean data in this scenario must be interpreted with caution.
The chronic high exposure should be carefully considered during implant selection, particularly in young subjects, and a stricter monitoring is mandatory.
American Psychological Association (APA)
Savarino, Lucia& Cadossi, Matteo& Chiarello, Eugenio& Fotia, Caterina& Greco, Michelina& Baldini, Nicola…[et al.]. 2014. How Do Metal Ion Levels Change over Time in Hip Resurfacing Patients? A Cohort Study. The Scientific World Journal،Vol. 2014, no. 2014, pp.1-7.
https://search.emarefa.net/detail/BIM-1049102
Modern Language Association (MLA)
Savarino, Lucia…[et al.]. How Do Metal Ion Levels Change over Time in Hip Resurfacing Patients? A Cohort Study. The Scientific World Journal No. 2014 (2014), pp.1-7.
https://search.emarefa.net/detail/BIM-1049102
American Medical Association (AMA)
Savarino, Lucia& Cadossi, Matteo& Chiarello, Eugenio& Fotia, Caterina& Greco, Michelina& Baldini, Nicola…[et al.]. How Do Metal Ion Levels Change over Time in Hip Resurfacing Patients? A Cohort Study. The Scientific World Journal. 2014. Vol. 2014, no. 2014, pp.1-7.
https://search.emarefa.net/detail/BIM-1049102
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1049102