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Cementless, modular, distally fixed stem in hip revision arthroplasty: a single-center study of 132 consecutive hips.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.
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2017 (English)In: European Journal of Orthopaedic Surgery & Traumatology, ISSN 1633-8065, E-ISSN 1432-1068Article in journal (Refereed) Epub ahead of print
Abstract [en]

PURPOSE: The use of cementless, modular, distally fixed stem in hip revision arthroplasty has increased during the last decades. We aimed to analyze the early and late postoperative complications, re-operation rate, and survival rate of the MP stem operated at our county hospital with relatively limited caseload.

METHODS: In this retrospective study, we included 132 hips operated with MP stem between January 2007-2014. An independent observer reviewed patients' medical records in July 2015 (18-102 months postoperatively, median 52.5) to collect the following data: age, sex, American Society of Anesthesiologists (ASA) class, body mass index, indication of revision, type of operation, early and late complications, re-operation rate, and mortality during study period.

RESULTS: The commonest indication for MP stem operation was aseptic loosening (72%). We found early and late postoperative complications in 29% of cases. The most common complication was prosthetic dislocation (8%), followed by intra-operative peri-prosthetic fracture (5%). The commonest indication for MP re-operation was soft tissue revision for infection (7%) followed by closed reduction for prosthetic dislocation (6%). We found no correlation between the age, sex, ASA class, and type of operation and the re-operation risk. Only one prosthesis was extracted giving a survival rate for 99% for the study period.

CONCLUSION: This study showed good results of the MP prosthesis with reasonable complication and re-operation rates and negligible extraction rate, indicating the good performance of this implant even when used in the setting of a county hospital with limited caseload.

Place, publisher, year, edition, pages
2017.
Keyword [en]
Cementless stem, Complication, Distally fixed, Hip revision, Outcome, Survival
National Category
Orthopedics
Identifiers
URN: urn:nbn:se:umu:diva-138183DOI: 10.1007/s00590-017-2013-xPubMedID: 28702784OAI: oai:DiVA.org:umu-138183DiVA: diva2:1133331
Available from: 2017-08-15 Created: 2017-08-15 Last updated: 2017-08-15

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
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  • de-DE
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