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| Name | Class |
|---|---|
| Sunderby Hospital | OTHER |
| Karolinska Institutet | OTHER |
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Recent studies have indicated a high incidence of postoperative periprosthetic femoral fracture in elderly patients treated with two commonly used cemented polished, tapered femoral stems. The aim of this study was to compare the prevalence and incidence rate of PPF in a cohort of elderly with femoral neck fractures (FNF) treated with either a collarless, polished, tapered stem (Exeter) or an anatomic matte stem (Lubinus SP 2).
Patients and Methods In a multicentre retrospective cohort study 2529 patients 60 years and above, with a FNF as indication for primary surgery with a cemented hip arthroplasty were included. Patients were treated either with a polished tapered Exeter stem or a matte anatomic Lubinus SP12 stem according to the surgeons preference or to the praxis of the present department.
The incidence of perprosthetic femoral fractures Hip-related complications and repeat surgery were assessed at a minimum follow-up of 2 years postoperatively.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Lubinus SP2 stem | Patients treated with a cemented Lubinus SP2 stem for a femoral neck fracture. Both total hip arthroplasty and hemiarthroplasty are included. |
| |
| Exeter stem | Patients treated with a cemented Exeter stem for a femoral neck fracture. Both total hip arthroplasty and hemiarthroplasty are included. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Exeter stem | Procedure | Patients treated with an total or hemiarthroplasty using a Exeter stem for a displaced femoral neck fracture |
|
| Measure | Description | Time Frame |
|---|---|---|
| Periprosthetic femoral fractures | The incidence of postoperative periprosthetic femoral fractures are compared between the two groups studied (patients treated with Exeter stem or Lubinus SP2 stem. The hypothesis that the type of stem affects the incidence of periprosthetic femoral fractures are studied. The comparison will be analysed using cox proportional hazards or poisson regression analysis. | 2006-2014 |
| Measure | Description | Time Frame |
|---|---|---|
| Riskfactors for periprosthetic fractures | Sex (male or female), age (years), ASA class (1-2 or 3-4), Exeter stem size (0-2, 3-4, 5-6) and surgical approach (direct lateral or posterolateral) type of stem used (Lubinus Sp2 or Exeter stem) | 2006-2014 |
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Inclusion Criteria:
Exclusion Criteria:
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All patients at above mentioned centers presented with a femoral neck fracture treated with hip arthroplasty between 2006-2014 were followed 2017 or until death.
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25341951 | Background | Inngul C, Enocson A. Postoperative periprosthetic fractures in patients with an Exeter stem due to a femoral neck fracture: cumulative incidence and surgical outcome. Int Orthop. 2015 Sep;39(9):1683-8. doi: 10.1007/s00264-014-2570-0. Epub 2014 Oct 24. | |
| 27045318 | Background | Mukka S, Mellner C, Knutsson B, Sayed-Noor A, Skoldenberg O. Substantially higher prevalence of postoperative peri-prosthetic fractures in octogenarians with hip fractures operated with a cemented, polished tapered stem rather than an anatomic stem. Acta Orthop. 2016 Jun;87(3):257-61. doi: 10.3109/17453674.2016.1162898. Epub 2016 Apr 4. |
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No individual data are presented.
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| ID | Term |
|---|---|
| D005265 | Femoral Neck Fractures |
| D057068 | Periprosthetic Fractures |
| ID | Term |
|---|---|
| D006620 | Hip Fractures |
| D005264 | Femoral Fractures |
| D050723 | Fractures, Bone |
| D014947 | Wounds and Injuries |
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| Lubinus SP2 stem | Procedure | Patients treated with an total or hemiarthroplasty using a SP2stem for a displaced femoral neck fracture |
|
| 25280133 | Background | Broden C, Mukka S, Muren O, Eisler T, Boden H, Stark A, Skoldenberg O. High risk of early periprosthetic fractures after primary hip arthroplasty in elderly patients using a cemented, tapered, polished stem. Acta Orthop. 2015 Apr;86(2):169-74. doi: 10.3109/17453674.2014.971388. Epub 2014 Oct 3. |
| 28663398 | Background | Mardian S, Perka C, Schaser KD, Gruner J, Scheel F, Schwabe P. Cardiac disease and advanced age increase the mortality risk following surgery for periprosthetic femoral fractures. Bone Joint J. 2017 Jul;99-B(7):921-926. doi: 10.1302/0301-620X.99B7.BJJ-2016-0974.R1. |
| 31740996 | Derived | Mellner C, Mohammed J, Larsson M, Esberg S, Szymanski M, Hellstrom N, Chang C, Berg HE, Skoldenberg O, Knutsson B, Morberg P, Mukka S. Increased risk for postoperative periprosthetic fracture in hip fracture patients with the Exeter stem than the anatomic SP2 Lubinus stem. Eur J Trauma Emerg Surg. 2021 Jun;47(3):803-809. doi: 10.1007/s00068-019-01263-6. Epub 2019 Nov 18. |
| D025981 |
| Hip Injuries |
| D007869 | Leg Injuries |