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A prospective cohort study to compare the direct lateral and poster-lateral approach concerning abductor function. Patients admitted with a femoral neck fracture operated with a hemiarthroplasty through a direct lateral or a poster-lateral approach were screened for inclusion. Patients with altered mental status SPMSQ >7, pathological fractures, non-walkers were excluded.
Those who fulfilled the inclusion criteria and non of the exclusion criteria were followed 1 year postoperatively by clinical examination. Sample size were estimated to 30 patient in each group. Primary outcome variables were trendelenburg test, abductor strength measured with dynamometry, trochanteric tenderness measured with algometry and palptation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Direct lateral approach | Total or hemiarthroplasty operated with direct-lateral approach. | ||
| Postero-lateral approach | Total or hemiarthroplasty operated with postero-lateral approach. |
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| Measure | Description | Time Frame |
|---|---|---|
| Trendelenburg Test | 30 seconds standing on the operated leg | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Abductor strenght | Dynamometry | 1 year |
| Trochanteric tenderness | Algometry | 1 year |
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Inclusion Criteria:
Exclusion Criteria:
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Patients admitted to Sundsvall hospital with a displaced femoral neck fracture operated with either a total or hemiarthroplasty.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Orthopaedic department, Sundsvall hospital | Sundsvall | Västernorrland County | 851 86 | Sweden |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 20860452 | Background | Skoldenberg O, Ekman A, Salemyr M, Boden H. Reduced dislocation rate after hip arthroplasty for femoral neck fractures when changing from posterolateral to anterolateral approach. Acta Orthop. 2010 Oct;81(5):583-7. doi: 10.3109/17453674.2010.519170. | |
| 8648312 | Background | Pai VS. Significance of the Trendelenburg test in total hip arthroplasty. Influence of lateral approaches. J Arthroplasty. 1996 Feb;11(2):174-9. doi: 10.1016/s0883-5403(05)80013-0. |
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| ID | Term |
|---|---|
| D005265 | Femoral Neck Fractures |
| D007383 | Intermittent Claudication |
| ID | Term |
|---|---|
| D006620 | Hip Fractures |
| D005264 | Femoral Fractures |
| D050723 | Fractures, Bone |
| D014947 | Wounds and Injuries |
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| Trochanteric tenderness | Palptation | 1 year |
| 19359133 | Background | Kiyama T, Naito M, Shinoda T, Maeyama A. Hip abductor strengths after total hip arthroplasty via the lateral and posterolateral approaches. J Arthroplasty. 2010 Jan;25(1):76-80. doi: 10.1016/j.arth.2008.11.001. Epub 2009 Apr 8. |
| D025981 |
| Hip Injuries |
| D007869 | Leg Injuries |
| D058729 | Peripheral Arterial Disease |
| D016491 | Peripheral Vascular Diseases |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |