• M R M Frenken, Schotanus M G M MGM http://orcid.org/0000-0002-3975-6337 Department of Orthopaedic Surgery and Traumatology, Zuyderland Medical Centre, Sittard-Geleen, E H van Haaren, and R Hendrickx.
• Department of Orthopaedic Surgery, Sint Maartenskliniek, Nijmegen, The Netherlands.
• Eur J Orthop Surg Tr. 2018 Oct 1; 28 (7): 1305-1312.

PurposeWe wished to compare the outcome of two types of cemented and uncemented modern stem design implants after hemiarthroplasty, with both an Orthopaedic Data Evaluation Panel rating of 10A.MethodsThis retrospective study compares data obtained from two centres, with a total study population of 655 (n = 393 cemented, n = 262 uncemented). Patients were matched at baseline for gender, age, surgery side, American Society of Anesthesiologists score, body mass index and pre-operative haemoglobin level. Outcome measurements were prosthesis-related complications, pre- and post-operative, with reoperation rate and mortality and other complications after 1 year, surgery time, blood loss and immobility at discharge.ResultsThere were no significant differences in mortality after 1 year, total other complications, immobility at the time of discharge and total prosthesis-related complications between both groups. Significantly more periprosthetic fractures and post-operative infections were seen in the uncemented group with significantly more reoperations compared to the cemented group. Significant differences were seen in cardiovascular complications, blood loss and surgery time in favour of the uncemented group.ConclusionsIn consequence of the significant higher prosthesis-related complications (e.g. infections, periprosthetic fractures and reoperations) in the uncemented group in this study, we recommend cemented hemiarthroplasty in patients with a femoral neck fracture.Level Of EvidenceLevel III, Case Controlled Study.

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