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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XI | Pages 5 - 5
1 Apr 2012
Baird E Cottam H
Full Access

Teaching programmes for Orthopaedic Trainees take place in every region of the UK. The aim of this study was to survey Trainees from each region to compare levels of satisfaction.

A questionnaire was sent out electronically in June 2009, and was open to collect responses until December 2009. It was sent to all British Orthopaedic Trainees Association (BOTA) members to assess satisfaction and to ask for their comments and suggestions.

There were 449 responses, out of a potential 1200 (37%) from across all 26 regions. Overall 71% were satisfied or highly satisfied with the organisation of their programme, and 70% were satisfied or highly satisfied with the content. However, on analysis of the data looking at individual regions, there were marked differences in satisfaction levels. In three regions over 50% of Trainees were very satisfied with their teaching, in contrast to one region where 67% were unsatisfied or very unsatisfied.

199 Trainees (44%) made comments, which fell into themes of ‘how’ the teaching is organised, ‘what’ is taught, and by ‘whom’. Topics frequently mentioned were relevance to the FRCS exam, importance of clinical case presentations and involvement of Consultants.

Teaching Programmes are run differently in each region and there are contrasting levels of satisfaction amongst Trainees. The feedback from the Trainees in each region was fed back to the relevant Training Programme Director, and suggestions were made on how to improve these Teaching Programmes for the future.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_III | Pages 4 - 4
1 Feb 2012
Cottam H Jackson M Butler-Manuel A Apthorp H
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Aims

To compare a randomised group of patients undergoing UKA to investigate the advantages of the minimal invasive approach in the early post-operative stage.

Results

100 patients on the waiting list for UKA were recruited into the trial. Patients were prospectively randomised into 2 groups: Group 1 – longitudinal skin incision with dislocation of the patella, Group 2 – the minimally invasive approach. Standard milestones were recorded post-operatively: time to achieve IRQ, independent stair climbing and to discharge. Additionally, patients were scored with the AKSS and Oxford knee questionnaire pre-operatively, at 6 weeks, 6 months and 1 year. No significant differences were found between the 2 groups in the measured parameters.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_III | Pages 129 - 129
1 Feb 2012
Dawson-Bowling S Chettiar K Cottam H Fitzgerald-O'Connor I Forder J Worth R Apthorp H
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This study aims to assess prospectively whether measurement of perioperative Troponin T is a useful predictor of potential morbidity and mortality in patients undergoing surgery for fractured neck of femur.

All patients aged 65 years and over presenting with a fractured neck of femur over a 4-month period were initially included. Exclusion criteria were renal failure, polymyositis and conservative fracture management. Troponin T levels were measured on admission, day 1 and 2 post-surgery. According to local protocol, a level of >0.03ng/mL was considered to be raised. Outcome measures adverse were cardiorespiratory events (myocardial infarction, congestive cardiac failure, unstable angina, major arrhythmias requiring treatment and pulmonary embolism), death and length of inpatient stay.

108 patients were recruited after application of the exclusion criteria. 42 (38.9%) showed a rise in Troponin T >0.03ng/mL in at least one sample. Of these, 25 (59.5%) sustained at least outcome complication, as opposed to 7 (10.6%) from the group with no Troponin T rise (p<0.001). The mean length of stay was 25.7 days for patients with elevated Troponin T levels, compared with 18.3 days in the normal group (p<0.012). There were 9 deaths in the raised Troponin group (21.4%), and 5 (7.6%) in the group with no rise (p<0.05).

The principal causes of early death after hip fracture surgery are cardiac failure and myocardial infarction. Troponin T is a sensitive enzymatic marker of myocardial injury. The association between raised Troponin and hip fractures has not previously been made. In our series, 38.9% showed a perioperative Troponin rise. This was significantly associated with increased morbidity, mortality and longer hospitalisation. Many hip fracture patients appear to be having silent cardiorespiratory events, contributing significantly to perioperative morbidity.

We recommend measurement of Troponin levels in all such patients to identify this risk and initiate appropriate treatment.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 4 - 5
1 Mar 2009
Lankester B Cottam H Pinskerova V Eldridge J Freeman M
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Introduction: The medial tibial plateau is composed of two relatively flat facets. An anterior upward sloping “extension facet” (EF) articulates with the medial femoral condyle from 0 to 20–the stance phase of gait (in Man but not in other mammals). Anatomical variation in this area might be responsible for antero-medial osteoarthritis (AMOA).

This paper reports the angle between the EF and the horizontal (the extension facet angle- EFA) in normal knees and in knees with early AMOA.

Method: MRI reports were searched to identify patients with acute rupture of the ACL on the assumption that they had anatomically normal tibiae (46 males and 18 females) and patients with MRI evidence of early AMOA without bone loss (11 males and 9 females).

A sagittal image at the midpoint of the femoral condyle was used to determine the EFA.

Results: The EFA in normal tibiae is 14 +/− 5 (range 3–25). The angle is unrelated to age. The EFA in individuals with early AMOA is 19 +/− 4 (range 13–26). The difference is significant (p< 0.001).

Discussion: There is a wide variation in the EFA in normal knees which is unrelated to age.

There is an association between an increased EFA (ie a steeper EF) and MRI evidence of AMOA. Although a causal link is not proven, we speculate that a steeper angle increases the duration of loading on the EF in stance and tibio-femoral interface shear. This may initiate cartilage breakdown.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 165 - 165
1 Mar 2009
Dawson-Bowling S Chettiar K Cottam H Forder J Worth R Apthorp H
Full Access

This study aims to assess prospectively whether measurement of peripoperative Troponin T is a useful predictor of potential morbidity and mortality in patients undergoing surgery for fractured neck of femur.

All patients aged 65 years and over presenting with a fractured neck of femur over a 4-month period were initially included. Exclusion criteria were renal failure, polymyositis and conservative fracture management. Troponin T levels were measured on admission, day 1 and 2 post surgery. According to local protocol, a level of > 0.03ng/mL was considered to be raised. Outcome measures adverse were cardiorespiratory events (myocardial infarction, congestive cardiac failure, unstable angina, major arrhythmias requiring treatment and pulmonary embolism), death and length of inpatient stay.

108 patients were recruited after application of the exclusion criteria. 42 (38.9%) showed a rise in Troponin T > 0.03ng/mL in at least one sample. Of these, 25 (59.5%) sustained at least outcome complication, as opposed to 7 (10.6%) from the group with no Troponin T rise (p< 0.001). The mean length of stay was 25.7 days for patients with elevated Troponin T levels, compared with 18.3 days in the normal group (p< 0.012). There were 9 deaths in the raised Troponin group (21.4%), versus 5 (10.6%) in the group with no rise (p< 0.05).

The principle causes of early death after hip fracture surgery are cardiac failure and myocardial infarction. Troponin T is a sensitive enzymatic marker of myocardial injury. The association between raised Troponin and hip fractures has not previously been made. In our series, 38.9% showed a perioperative Troponin rise. This was significantly associated with increased morbidity, mortality and longer hospitalisation. Many hip fracture patients appear to be having silent cardiorespiratory events, contributing significantly to perioperative morbidity. We recommend measurement of Troponin levels in all such patients to identify this risk and initiate appropriate treatment.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 577 - 577
1 Aug 2008
Lankester B Cottam H Pinskerova V Eldridge J Freeman M
Full Access

Introduction: The medial tibial plateau is composed of two relatively flat facets. An anterior upward sloping “extension facet” (EF) articulates with the medial femoral condyle from 0 to 20° – the stance phase of gait (in Man but not in other mammals). A horizontal “flexion facet” contacts the femur from 20° to full flexion. Anatomical variation in this area might be responsible for the initiation of antero-medial osteoarthritis (AMOA).

This paper reports the angle between the EF and the horizontal (the extension facet angle - EFA) in normal knees and in knees with early AMOA.

Method: MRI reports were searched to identify patients with acute rupture of the ACL on the assumption that they had anatomically normal tibiae (46 males and 18 females) and patients with MRI evidence of early AMOA without bone loss (11 males and 9 females).

A sagittal image at the midpoint of the femoral condyle was used to determine the EFA. Repeat measurements were taken by two observers.

Results: The EFA in normal tibiae is 14 +/− 5° (range 3 – 25°). The angle is unrelated to age. The EFA in individuals with early AMOA is 19 +/− 4° (range 13 – 26°). The difference is highly significant (p< 0.001).

Discussion: There is a wide variation in the EFA in normal knees that is unrelated to age.

There is an association between an increased EFA (ie a steeper EF) and MRI evidence of AMOA. Although a causal link is not proven, we speculate that a steeper angle increases the duration of loading on the EF in stance and tibio-femoral interface shear. This may initiate cartilage breakdown.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 301 - 301
1 Jul 2008
Dawson-Bowling S Chettiar K Cottam H Worth R Forder J Fitzgerald-O’Connor I Apthorp H
Full Access

Introduction: The principle causes of early death after hip fracture surgery are cardiac failure and myocardial infarction. Troponin T is a sensitive and specific enzymatic marker of myocardial injury. This study aims to assess prospectively whether Troponin T may be used as a predictor of morbidity and mortality in admissions with fractured neck of femur.

Methods: All patients aged 65 years and over presenting with a fractured neck of femur over 4 months were included. Exclusion criteria of polymyositis, renal failure and conservative fracture management were applied. Troponin T levels were measured on admission, and days 1 and 2 post surgery. According to local protocol, a level of > 0.03ng/mL was considered to be raised. Outcome measures were defined as adverse cardiorespiratory events (myocardial infarction, congestive cardiac failure, unstable angina, major arrhythmias requiring treatment and pulmonary embolism), death and length of inpatient stay.

Results: 108 patients were recruited over the 4 months. 42 (38.9%) showed a rise in Troponin T > 0.03ng/mL in at least one sample. Of these, 25 (59.5%) sustained at least one of the outcome complications including death, as opposed to 7 (10.6%) from the group with no Troponin rise (p< 0.001). The mean inpatient stay was 25.7 days for patients with elevated Troponin T levels, compared with 18.3 days in the normal group (p< 0.012). There were 9 deaths in the raised Troponin group (21.4%), and 5 (10.6%) in the group with no rise (p< 0.05).

Discussion: The association between raised Troponin and hip fractures has not previously been made. Many patients appear to be having silent cardiorespiratory or related events, which may be a significant cause of perioperative morbidity and mortality. We propose measurement of Troponin levels as part of the standard perioperative screening for hip fracture patients to identify this risk and initiate appropriate treatment measures.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 304 - 304
1 Jul 2008
Bucher T Cottam H Apthorp H Butler-Manuel A
Full Access

Introduction: Acetabular loosening can limit long-term success of total hip replacement. There are at least 62 different prosthesis designs available in the UK, many of which have no long term results. Revision surgery is expensive, challenging and potentially dangerous. There is still currently debate about the best method of acetabular fixation, in particular, regarding the use of press fit devices in elderly osteoporotic bone. Our study aims to test the null hypothesis that there is no significant difference in outcome between cemented and non-cemented acetabular fixation in this group of patients.

Methods: Patients over 72 years of age were prospectively randomised to receive either a cemented Exeter cup or a HA coated press fit cementless cup. Both groups received a cemented Exeter stem. The patients were assessed pre-operatively and reviewed at 6 weeks, 6 months and yearly in a research clinic, by an independent observer. Outcome measures were the Merle D’Aubignon Postel, Oxford Hip and Visual analogue pain scores. The implants were also assessed radiographically and all complications were recorded.

Results: To date 151 patients have been recruited into the trial. 2 year data is available for 69 patients. There were no differences in satisfaction, pain or hip scores between the groups.

There have been no major surgical complications. In particular, there have been no failures of acetabular fixation, dislocations or deep infections.

Discussion: There have been no failures in either group. Although there is insufficient data at this stage to reject our null hypothesis, there is no early evidence for concern in using cementless cups in elderly patients.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 324 - 324
1 Jul 2008
Jackson M Cottam H Butler-Manuel A Apthorp H
Full Access

AIMS: To compare a randomised group of patients undergoing UKA to investigate the advantages of the minimal invasive approach in the early post-operative stage.

METHODS & RESULTS: 100 patients on the waiting list for UKA were recruited into the trial. Patients were randomised into 2 groups: Group 1 – longitudinal skin incision with dislocation of the patella, Group 2 – the minimally invasive approach. Standard milestones were recorded post-operatively: time to achieve IRQ, independent stair climbing and to discharge. Additionally, patients were scored with the AKSS and Oxford knee questionnaire pre-operatively, at 6 weeks, 6 months and 1 year.

No significant differences were found between the 2 groups in the measured parameters.

CONCLUSION: To our knowledge, there has been no previous randomised trial to investigate the results of less invasive surgery for UKA. We have been unable to demonstrate a significant advantage of this approach. With the continued drive for early return to function, some centres incorporate a 24hr accelerated discharge protocol. The less invasive approach may make this more achievable. We recommend however that the surgical procedure and implant position must not be compromised for the benefit of rapid discharge to the deficit of long term results.