Two cases of metallosis from metal-on-polyethylene total hips: an emerging problem.

MedStar author(s):
Citation: Pm & R. 7(4):447-50, 2015 Apr.PMID: 25460210Institution: MedStar National Rehabilitation NetworkForm of publication: Journal ArticleMedline article type(s): Case Reports | Journal ArticleSubject headings: *Cobalt/bl [Blood] | *Cobalt/to [Toxicity] | *Prosthesis Design | Aged, 80 and over | Arthroplasty, Replacement, Hip | Female | Hip Prosthesis/ae [Adverse Effects] | Humans | Male | Middle Aged | PolyethyleneYear: 2015ISSN:
  • 1934-1482
Name of journal: PM & R : the journal of injury, function, and rehabilitationAbstract: This report describes 2 cases of metallosis from metal-on-polyethylene total hip replacements. Case 1 involved a Stryker rejuvenate implant, which has since been recalled. This patient had minimal symptoms, an elevated cobalt level, and loosening. The patient in case 2 had a Dupuys Pinnacle system, with symptoms of weakness, rash, and hip pain. Abnormal laboratory values include elevated sedimentation rate, C-reactive protein, creatinine, cobalt, and decreased hematocrit. Magnetic resonance imaging revealed synovial thickening and extracapsular edema. Although metallosis is a well-established complication of metal-on-metal implants, emerging data reveal that it also may be a problem in non-metal-on-metal implants such as either metal-on-polyethylene or ceramic-on-polyethylene implants, perhaps related to modular corrosion. Copyright © 2015 American Academy of Physical Medicine and Rehabilitation. Published by Elsevier Inc. All rights reserved.All authors: Bunning RD, Kao C, Scalettar RFiscal year: FY2015Digital Object Identifier: Date added to catalog: 2016-05-24
Holdings
Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 25460210 Available 25460210

This report describes 2 cases of metallosis from metal-on-polyethylene total hip replacements. Case 1 involved a Stryker rejuvenate implant, which has since been recalled. This patient had minimal symptoms, an elevated cobalt level, and loosening. The patient in case 2 had a Dupuys Pinnacle system, with symptoms of weakness, rash, and hip pain. Abnormal laboratory values include elevated sedimentation rate, C-reactive protein, creatinine, cobalt, and decreased hematocrit. Magnetic resonance imaging revealed synovial thickening and extracapsular edema. Although metallosis is a well-established complication of metal-on-metal implants, emerging data reveal that it also may be a problem in non-metal-on-metal implants such as either metal-on-polyethylene or ceramic-on-polyethylene implants, perhaps related to modular corrosion. Copyright © 2015 American Academy of Physical Medicine and Rehabilitation. Published by Elsevier Inc. All rights reserved.

English

Powered by Koha