NDLI: Modular hip implant fracture at the stem-sleeve interface.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Parisi, Thomas Burroughs, Brian Kwon, Young-Min
Abstract	The use of modular implants in femoral stem design has grown increasingly popular over the last decade because of the theoretical advantage of more flexibility and optimization of femoral anteversion, limb length, and femoral component offset. With the benefit of increased surgical flexibility, however, modularity also carries the theoretical risks of fretting at the modular surfaces, sequelae of wear debris, and possible failure and fracture of the stem at the modular junction. Indeed, there have been an increasing number of reports of modular implants failing due to fracture at modular junctions. The S-ROM prosthesis (DePuy Orthopaedics, Inc, Warsaw, Indiana), however, has a stellar clinical record and has been used with good results in both primary and revision total hip arthroplasty. Only a single case of S-ROM failure at the stem-sleeve interface has been reported in the orthopedic literature. The aim of this case report was to present a succinct history of proximal modularity in total hip arthroplasty and to describe the only known case of this type of catastrophic failure in an S-ROM prosthesis with a metal-on-metal bearing. Despite a low level of serum metal ions on presentation, scanning electron microscopy showed findings consistent with corrosive processes and pseudotumor was seen at revision surgery.
Related Links	https://www.healio.com/orthopedics/journals/ortho/2015-3-38-3/{c59f5197-97dc-4cb5-998d-8391241faaf9}/modular-hip-implant-fracture-at-the-stem-sleeve-interface
File Format	HTM / HTML
ISSN	01477447
e-ISSN	19382367
DOI	10.3928/01477447-20150305-91
Journal	Orthopedics
Issue Number	3
Volume Number	38
Language	English
Publisher	SLACK Incorporated
Publisher Date	2015-03-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Discipline Orthopedics Arthroplasty, Replacement, Hip Instrumentation Hip Prosthesis Equipment Failure Analysis Prosthesis Design Prosthesis Failure Reoperation
Content Type	Text
Resource Type	Case study Article
Subject	Orthopedics and Sports Medicine Surgery

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