Please use this identifier to cite or link to this item: https://hdl.handle.net/1/1763
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dc.contributor.authorKaram, James-
dc.contributor.authorCampbell, Paul-
dc.contributor.authorDesai, Shivang-
dc.contributor.authorHunter, Michael-
dc.date.accessioned2020-05-11T02:18:34Z-
dc.date.available2020-05-11T02:18:34Z-
dc.date.issued2020-03-
dc.identifier.citation15(1):100en
dc.identifier.issn1749-799xen
dc.identifier.urihttps://elibrary.cclhd.health.nsw.gov.au/cclhdjspui/handle/1/1763-
dc.description.abstractBACKGROUND: Periprosthetic fractures are increasingly encountered in hip arthroplasty. The Vancouver classification system is widely used. Little knowledge exists regarding the association of the Vancouver classification with either cemented or uncemented stems. The aim was to analyse a series of fractures and determine associations. METHODS: A series of consecutive patients over 8 years was identified including only post-operative fractures of primary hip arthroplasties. Baseline and radiographic characteristics were recorded including the type of stem fixation (cemented or uncemented) and Vancouver classification. Statistical analysis was performed to determine the association of the Vancouver classification between cemented and uncemented stems. RESULTS: A total of 172 patients were identified (84 cemented stems, 88 uncemented stems). There were 30 Vancouver A fractures (12 cemented vs.18 uncemented, p > 0.05), 125 Vancouver B fractures (63 cemented vs. 62 uncemented, p > 0.05) and 17 Vancouver C fractures (9 cemented vs. 8 uncemented, p > 0.05). The Vancouver B2 fracture occurred most frequently (N = 95; 44 cemented vs. 51 uncemented, p > 0.05) and consists of four distinct fracture patterns: the previously described comminuted 'burst', clamshell and spiral patterns and the newly observed 'reverse' clamshell. The burst and spiral fracture patterns are significantly associated with cemented stems, and the clamshell pattern is significantly associated with uncemented stems. CONCLUSIONS: Vancouver A, B and C fractures occur equally in cemented and uncemented stems. Awareness of four distinct Vancouver B2 fracture patterns, including the newly observed reverse clamshell, will aid surgeons in predicting stem instability.en
dc.description.sponsorshipOrthopaedics & Trauma Surgeryen
dc.subjectOrthopaedicsen
dc.titlePeriprosthetic proximal femoral fractures in cemented and uncemented stems according to Vancouver classification: observation of a new fracture patternen
dc.typeJournal Articleen
dc.identifier.doi10.1186/s13018-020-01619-4en
dc.description.pubmedurihttps://www.ncbi.nlm.nih.gov/pubmed/32156300en
dc.description.affiliatesCentral Coast Local Health Districten
dc.description.affiliatesGosford Hospitalen
dc.identifier.journaltitleJournal of Orthopaedic Surgery and Researchen
dc.originaltypeTexten
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
item.grantfulltextnone-
item.openairetypeJournal Article-
item.cerifentitytypePublications-
Appears in Collections:Health Service Research
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