Human postmortem retrieval of total hip arthroplasty

Hosip-Flor, Shirley; Lester, D. Kevin

doi:10.1016/s0883-5403(97)90180-7

Cited by 8 publications

(2 citation statements)

References 41 publications

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“…Bone growth occurs at the corners of the implant where it is in contact with the cortex (Figs 4 and 5). Patients younger than 65 years at Tapered rectangular stem for hip replacement Gottschalk 13 surgery had similar bone implant contact indices to patients 65 years and older [15]. Consistent bone remodeling and apposition of the bone to the prosthesis is noted at all levels and all age groups [14].…”

Section: Human Retrievalmentioning

confidence: 99%

Primary total hip replacement using a tapered rectangular stem without porous surface

Gottschalk¹

2008

Current Opinion in Orthopaedics

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Section: Human Retrievalmentioning

confidence: 99%

Primary total hip replacement using a tapered rectangular stem without porous surface

Gottschalk¹

2008

Current Opinion in Orthopaedics

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“…12 Post mortem retrieval studies of well-functioning THRs are essential to achieve a better understanding of the radiological changes that occur over the long term, as well as the relationship between methods of fixation and long-term outcome. 7,[13][14][15][16][17][18] We investigated the histological appearance around eight cemented Müller straight stems (CoNiCr) removed from deceased patients. No signs of clinical or radiological failure had been observed for any of the implants.…”

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confidence: 99%

The histology around the cemented Müller straight stem

Clauss

Ilchmann

Zimmermann

et al. 2010

The Journal of Bone and Joint Surgery. British volume

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The aim of this study was to obtain detailed long-term data on the cement-bone interface in patients with cemented stems, implanted using the constrained fixation technique. A total of eight stems were removed together with adjacent bone during post-mortem examinations of patients with well-functioning prostheses. Specimens were cut at four defined levels, contact radiographs were obtained for each level, and slices were prepared for histological analysis. Clinical data, clinical radiographs, contact radiographs and histological samples were examined for signs of loosening and remodelling. The mean radiological follow-up was 9.6 years and all stems were well-fixed, based on clinical and radiological criteria. Contact radiographs revealed an incomplete cement mantle but a complete filling of the medullary canal for all implants. Various amounts of polyethylene particles were evident at the cement-bone interface of seven stems, with no accompanying inflammatory reaction. Cortical atrophy and the formation of an 'inner cortex' were confirmed in six of eight stems by contact radiographs and histology, but were only visible on two clinical radiographs. Our results confirm that a complete cement mantle is not essential for the survival of Müller straight stems into the mid term, and support our hypothesis that no benefit to long-term survival can be expected from modern cementing techniques.

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Postmortem retrieval of total joint replacement components

Jacobs

Patterson

Skipor

et al. 1999

J. Biomed. Mater. Res.

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Improved understanding of the clinical outcomes of orthopedic implants requires the study of implants at the end of their service life. Previous studies focused on the retrieval of so-called failed implants during surgical revision. Interest is now moving to the study of successful implants, which are those still in place at the patient's death. A procedure was developed for recruitment of implant patients and their families and for safe and effective device and tissue retrieval after death. More than 50 retrievals were performed to support various research efforts.

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Human postmortem retrieval of total hip arthroplasty

Cited by 8 publications

References 41 publications

Primary total hip replacement using a tapered rectangular stem without porous surface

Primary total hip replacement using a tapered rectangular stem without porous surface

The histology around the cemented Müller straight stem

Postmortem retrieval of total joint replacement components

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