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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVIII | Pages 175 - 175
1 Sep 2012
Foote CJ Forough F Maizlin Z Ayeni O
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Purpose

Rectus femoris avulsion (RFA) injuries in paediatric patients are currently managed conservatively. However, the proximal attachment of the rectus femoris muscle lies in a critical zone in the hip joint with attachments to the anterior hip capsule and anterior inferior iliac spine. Violent avulsions therefore could cause damage to the adjacent acetabular labrum and articular cartilage initiating a process leading to early degenerative changes in the hip. To date, the association between rectus avulsions and labral tears has not been studied.

Method

The complete medical records of patients who were presented to McMaster University Medical Center with rectus femoris avulsions between 1983 and 2008 who were between the ages of 2 and 18 were identified. Patients were included if they had documented plain radiographs and magnetic resonance arthrography images of their hip. MRIs were reviewed by an independent musculoskeletal radiologist blinded from the history of the patients.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVIII | Pages 124 - 124
1 Sep 2012
Foote CJ Petrisor B Bhandari M
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Purpose

The ability to correctly interpret quantitative results is a crucial skill developed in medical school and surgical residency. It demands a basic understanding of epidemiological principles and modes of presenting data. Yet, there has been little investigation into the efficacy of current teaching methods and areas of difficulty among orthopaedic residents.

Method

Forty orthopaedic residents attended a research course provided by the main author in preparation for this assessment. Immediately after formal teaching, these residents were administered a survey that assessed residents perceived and actual level of understanding of basic modes of presenting results including number needed to treat (NNT), relative risk (RR), odds ratio (OR), and absolute risk reduction (ARR). Residents were given a multiple choice clinical case scenario of fracture nonunion and asked to choose which result would be most efficacious at reducing nonunion. An All are equally efficacious option was given for each question. The multiple choice answers were purposefully identical with regard to effect size but answers differed in the way they were presented.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_II | Pages 244 - 244
1 May 2009
Glazebrook M Daniels T Foote CJ Stevens D Trask K Younger A
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The purpose of this study was to compare the clinical outcome of patients treated surgically for end stage ankle arthritis using a total ankle arthroplasty or ankle arthrodesis.

This is a multicentered prospective clinical outcome study of the surgical treatment of patients with EAA using an ankle arthrodesis (n= 117) or total ankle arthroplasty (n= 210). Clinical outcome was assessed using health related quality of life (SF36v2) and joint specific (Foot Function Index, Ankle Osteoarthritis Scale, American Orthopedic Foot and Ankle Hindfoot Scale and the AAOS Foot and Ankle Baseline Questionnaire(version 2000)) outcome scores.

Preoperatively, all patients had significant physical and psychological morbidity. All symptom and functional SF36 subscales were approximately two standard deviations below normal population scores. Approximately 25% of patients were three standard deviations below population values, indicating increased risk of mortality. There was no evidence that age or gender influenced the level of disability. There was a significant improvement in the health related quality of life and the joint specific clinical outcome scores at six and twelve months follow up but no consistent difference was noted between the two cohorts.

This is the first multicentered prospective clinical outcome study that demonstrates equal efficacy for early follow up of patients treated for EAA with total ankle arthroplasty or ankle arthrodesis.