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The Bone & Joint Journal
Vol. 96-B, Issue 2 | Pages 259 - 262
1 Feb 2014
Guo KJ Zhao FC Guo Y Li FL Zhu L Zheng W

Corticosteroid use has been implicated in the development of osteonecrosis of the femoral head (ONFH). The exact mechanism and predisposing factors such as age, gender, dosage, type and combination of steroid treatment remain controversial. Between March and July 2003, a total of 539 patients with severe acute respiratory syndrome (SARS) were treated with five different types of steroid. There were 129 men (24%) and 410 women (76%) with a mean age of 33.7 years (21 to 59). Routine screening was undertaken with radiographs, MRI and/or CT to determine the incidence of ONFH. Of the 129 male patients with SARS, 51 (39.5%) were diagnosed as suffering from ONFH, compared with only 79 of 410 female patients (19.3%). The incidence of ONFH in the patients aged between 20 and 49 years was much higher than that of the group aged between 50 and 59 years (25.9% (127 of 491) versus 6.3% (3 of 48); p = 0.018). The incidence of ONFH in patients receiving one type of steroid was 12.5% (21 of 168), which was much lower than patients receiving two different types (28.6%; 96 of 336) or three different types of steroid (37.1%; 13 of 35). Cite this article: Bone Joint J 2014;96-B:259–62


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 525 - 525
1 Sep 2012
Kumar V Garg B Malhotra R
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Introduction. We compared standard NexGen Cruciate substituting-flex prosthesis with gender-specific NexGen Cruciate substituting flex prosthesis in patients undergoing bilateral total knee arthroplasty with regard to Coverage of the bone by femoral component, Clinical outcome, Radiographic outcome, Survival and complication rates, with special emphasis on patellofemoral complications. Material & Methods. 30 female patients with osteo-arthritis of the knees with similar deformity and preoperative range of motion were randomized to have one knee replaced with a gender non-specific Nexgen Cruciate substituting (Zimmer) prosthesis and the other with Gender Cruciate substituting (Zimmer) prosthesis. Follow-up clinical evaluation was done at 6, and 12 months postoperatively and then at yearly interval using “Knee Society” Recommendations. Clinical assessment of the patellofemoral joint of the replaced knees was done with the help of “Hospital for Special Surgery” patellar scoring system. The overall patient satisfaction after surgery was evaluated with use of the British Orthopaedic Association patient satisfaction score. Results. The mean age was 63.8 years (range 49–76 years). 14 patients had standard NexGen Cruciate substituting-flex gender knee prosthesis on right side and 16 patients had on left side. On the other sides, standard NexGen Cruciate substituting-flex prosthesis implant was used. Preop Clinical findings were similar in both groups. The average Preop range of motion was identical in both the groups. The average follow up was 2.5 years (2–3.8 years). The mean post-operative Knee Society knee scores were 88,90,94, (70 to 100) and 87,92, 93 (70 to 100) points and the function scores were 83,85,88 (60 to 100) and 84.86.88 (60 to 100) points for the standard implants and the gender-specific designs, respectively at 6 months, 1 year and 2 year follow up. Mean improvement in patella score was 65, 71.1 and 73.3 points in Gender group at the end of 6 month, 1 yr and 2 yr respectively as compared to 65.6, 71.1 and 72.2 in Nexgen group. No patient had malpositioning of components or radiolucencies at the end of 2 year follow up. Mean improvement in BOA functional score was 20.6, 22.6 and 24.1 points in Gender group at the end of 6 months, 1 year and 2 year respectively as compared to 20.7, 21.8 and 23.2 in Nexgen group. In those with a standard prosthesis, the femoral component was closely matched in 30 knees, overhung in 17 and undercovered the bone in 13. In those with a gender-specific prosthesis, it was closely matched in 45 knees and undercovered the bone in 15. Conclusion. Although gender specific knee matched the femoral anatomy of Indian female knees better than the standard nexgen Knee, we found no significant differences between the two groups with regard to the clinical and radiological results, patient satisfaction or complication rate


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_12 | Pages 1 - 1
1 Oct 2021
Cherry J Downie S Harding T Gill S Johnson S
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Global surgical literature suggests that female trainees have less operative autonomy than their male counterparts. This pilot study had the primary objective to identify difference in autonomy by gender, and to power a national study to carry out further quantitative and qualitative research on this. This was a retrospective, cross-sectional study utilising eLogbook data for all orthopaedic trainees (ST2-8) and consultants with CCT date 2016–2021 in a single Scottish deanery. The primary outcome measure was percentage of procedures undertaken as lead surgeon. 15 trainees and four recent consultants participated, of which 12 (63%) were male (mean grade 5.2), and 7 (37%) were female (mean grade 4.3). Trainees were lead surgeon on 64% of procedures (17595/27558), with autonomy rising with grade (37% ST1 to 85% ST8, OR 9.4). Operative autonomy was higher in male vs female trainees (66.5% and 61.4% respectively, p=<0.0001), with female trainees more likely to operate with a supervisor present (STU/S vs P/T, f 48%:13%, m 45%:20%). This pilot study found that there was a significant difference in operative autonomy between male and female trainees, however this may be explained by differences in mean grade of male vs female trainees. Five trainees took time OOT, 4/5 of whom were female. Extension to a national multi-centre study should repeat the quantitative method of this study with additional qualitative analysis including assessing effect of time OOT to explore the reason for any gender discrepancies seen across different deaneries in the UK


The Journal of Bone & Joint Surgery British Volume
Vol. 90-B, Issue 4 | Pages 480 - 483
1 Apr 2008
Holt G Smith R Duncan K Hutchison JD Gregori A

We report gender differences in the epidemiology and outcome after hip fracture from the Scottish Hip Fracture Audit, with data on admission and at 120 days follow-up from 22 orthopaedic units across the country between 1998 and 2005. Outcome measures included early mortality, length of hospital stay, 120-day residence and mobility. A multivariate logistic regression model compared outcomes between genders. The study comprised 25 649 patients of whom 5674 (22%) were men and 19 975 (78%) were women. The men were in poorer pre-operative health, despite being younger at presentation (mean 77 years (60 to 101) vs 81 years (50 to 106)). Pre-fracture residence and mobility were similar between genders. Multivariate analysis indicated that the men were less likely to return to their home or mobilise independently at the 120-day follow-up. Mortality at 30 and 120 days was higher for men, even after differences in case-mix variables between genders were considered


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 279 - 279
1 Sep 2012
Lustig S Barba N Servien E Fary C Demey G Neyret P
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To our knowledge in medial unicompartmental knee arthroplasty (UKA) no study has specifically assessed the difference in outcome between matched gender groups. Previous unmatched gender studies have indicated more favourable results for women. Method. 2 groups of 40 of either sex was determined sufficient power for significant difference. These consecutively were matched with both the pre-operative clinical and radiological findings. Minimum follow up of 2 years, mean follow-up 5.9 years. Mean age at operation was 71 years. Results. In both groups, the mean IKS knee and function scores improved significantly (p< 0.001) post operatively. There were no significant differences were between the 2 groups. In both groups mean preoperative flexion was 130 degrees and remained unchanged at final follow-up. No significant differences in preoperative and postoperative axial alignment and in the number of radiolucent lines, between groups. With component size used there was a significant difference (p < 0.001) between the 2 groups. However the size of the femoral or tibial implant used was significantly related (p< 0.001) to patient height for both sexes. Radiolucent lines were more frequent on the tibial component, but were considered stable with none progressing. No revisions for component failure. 1 patient in each group developed lateral compartment degenerative change. Male group; one conversion to TKA for undiagnosed pain, three patients underwent reoperation without changing the implant. Female group; no implants were revised, and two patients required a reoperation. Kaplan-Meier 5-year survival rate of 93.46% (84.8; 100) for men and100% for women. The survival rate difference is not significant (p=0.28). Conclusion. These results suggest that there is no difference in outcome between sexes and that gender should not enter into the selection criteria for UKA. It also suggests that height and not gender is important to predict the appropriate UKA components


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_3 | Pages 6 - 6
1 Feb 2014
Lim J Cousins G Clift B
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The surgical treatment of unicompartmental knee osteoarthritis remains controversial. This study aims to compare the medium-term outcomes of age and gender matched patients treated with unicompartmental knee replacement (UKR) and total knee replacement (TKR). We retrospectively reviewed pain, function and total knee society scores (KSS) for every UKR and age and gender matched TKR in NHS Tayside, with up to 10 years prospective data from Tayside Arthroplasty Audit Group. KSS was compared at 1, 3 and 5 years. Medical complications and joint revision were identified. Kaplan-Meier with revision as end-point was used for implants survival analysis. 602 UKRs were implanted between 2001 and 2013. Preoperative KSS for pain and total scores were not significantly different between UKRs and TKRs whereas preoperative function score was significantly better for UKRs. Function scores remained significantly better in UKRs from preoperative until 3 years follow up. Further analysis revealed no statistically significant difference in the change of function scores in both groups over time. There was a trend for TKRs to perform better than UKRs in pain scores. Total KSS for both groups were not significantly different at any point of the 5-year study. Fewer medical complications were reported in the UKR group. Kaplan-Meier analysis showed a survival rate of 93.7% in UKRs and of 97% in TKRs (Log rank p-value = 0.012). The revision rate for UKR was twice as much as TKR. The theoretical advantages of UKR are not borne out by the findings in this study other than immediate postoperative complications


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_1 | Pages 4 - 4
1 Jan 2019
Keenan OJF Clement ND Nutton R Keating JF
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The primary aim was to assess survival of the opening wedge high tibial osteotomy (HTO) for medial compartment osteoarthritis. The secondary aim was to identify independent predictors of early (before 12 years) conversion to total knee arthroplasty (TKA). During the 18-year period (1994–2011) 111 opening wedge HTO were performed at the study centre. Mean patient age was 45 years (range 18–68) and the majority were male (84%). Mean follow-up was 12 (range 6–21) years. Failure was defined as conversion to TKA. Kaplan-Meier, Cox regression and receiver operating curve (ROC) analyses were performed. Forty (36%) HTO failed at a mean follow-up of 6.3 (range 1–15) years. The five-year survival rate was 84% (95% confidence interval (CI) 82.6–85.4), 10-year rate 65% (95% CI 63.5–66.5) and 15-year rate 55% (95% CI 53.3–56.7). Cox regression analysis identified older age (p<0.001) and female gender (hazard ratio (HR) 2.37, 95% CI 1.06–5.33, p=0.04) as independent predictors of failure. ROC analysis identified a threshold age of 47 years above which the risk of failure increased significantly (area under curve 0.72, 95% CI 0.62–0.81, p<0.001). Cox regression analysis, adjusting for covariates, identified a significantly greater (HR 2.49, 95% CI 1.26–4.91, p=0.01) risk of failure in patients aged 47 years old or more. The risk of early conversion to TKA after an opening wedge HTO is significantly increased in female patients and those older than 47 years old. These risk factors should be considered pre-operatively and discussed with patients when planning surgical intervention for isolated medial compartment osteoarthritis


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_14 | Pages 1 - 1
10 Oct 2023
Haque S Downie S Ridley D Dalgleish S Nicol G
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There is little published literature to support the claim that a successful total knee replacement (TKR) is predictive of future good outcomes on the contralateral side. The objective was to identify whether outcome from the first of staged TKRs could be used to predict the outcome of the contralateral TKR. This was a retrospective cohort study of 1687 patients over a 25-year period undergoing staged bilateral TKRs in a UK arthroplasty centre. A control group of 1687 patients undergoing unilateral TKR with matched characteristics was identified. Primary outcomes were satisfaction and Knee Society Score (KSS) at one year. Preoperative status was comparable for pain, ROM and KSS (mean 41, 45, 43±14). At one year follow up, dissatisfaction was similar for all groups (4% first of staged TKR, 4% second of staged TKR, 5% controls). If the first TKR had a good outcome, the relative risk of a contralateral bad outcome was 20% less than controls (95% CI 0.6–1.2). If the first TKR had a poor outcome, the risk of a second poor outcome was 4 times higher (95% CI 2.8–6.1), increasing from 6% to 27% (absolute risk). Patients undergoing the second of staged TKRs with a previous good outcome are likely to do well in their second procedure (94 in 100 will go on to have a second good outcome). Of those with a previous poor outcome, 27 in 100 will have a second poor outcome. The trend was persistent despite correcting for gender, age, BMI, and diagnosis


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_6 | Pages 9 - 9
20 Mar 2023
Desai T Hoban K Ridley D Jariwala A
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Sub-acromial decompression surgery (SAD) has been widely used to treat shoulder impingement. Its validity has been questioned in multi-centric clinical trials and dissatisfaction rates can be high (35%). It is difficult to predict which patients will benefit operatively as research into predictive factors is limited. The study aim was to conduct a root-cause analysis of reasons for dissatisfaction in a cohort of operated patients. All patients with SAD dissatisfaction in the local Upper Limb database between 2015-19 (n=74/296) formed our study cohort. Patients were scored on Oxford shoulder score (OSS), QuickDASH score, EQ-5D-3L (TTO+VAS) at weeks 26 and 52 post-operatively. Patients' clinical history, radiographs, consultation and operative notes were reviewed. 28% of patients were dissatisfied with surgery. Mean age =52.3±13.4 years with equal gender distribution. 87% were operated arthroscopically. 67% were in physically demanding occupations. There was a significant increase in OSS and QuickDASH at weeks 26 and 52 post-operatively (p<0.05), similar improvement was not noted in VAS pain score. Pain followed by stiffness were the main contributors of dissatisfaction. Multiple implicating factors were noted, the most common being acromio-clavicular joint arthritis (25.7%), suggesting concomitant pathologies as an additional cause for patient dissatisfaction. This is the first study to evaluate reasons for dissatisfaction following SAD. We noted high rates (28%) of dissatisfaction and a predilection for those involved in physically demanding occupations. We recommend meticulous pre-operative workup to identify co-existing pathologies and appropriate pre-operative counselling to improve outcomes in selected patients needing SAD following failure of conservative management


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_14 | Pages 2 - 2
10 Oct 2023
Heinz N Bugler K Clement N Low X Duckworth A White T
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To compare the long-term outcomes of fibular nailing and plate fixation for unstable ankle fractures in a cohort of patients under the age of 65 years. Patients from a previously conducted randomized control trial comparing fibular nailing and plate fixation were contacted at a minimum of 10 years post intervention at a single study centre. Short term data were collected prospectively and long-term data were collected retrospectively using an electronic patient record software. Ninety-nine patients from one trauma centre were included (48 fibular nails and 51 plate fixations). Groups were matched for gender (p = 0.579), age (p = 0.811), body mass index (BMI)(p = 0.925), smoking status (p = 0.209), alcohol status (p = 0.679) and injury type (p = 0.674). Radiographically at an average of 2 years post-injury, there was no statistically significant difference between groups for development of osteoarthritis (p = 0.851). Both groups had 1 tibio-talar fusion (2% of both groups) secondary to osteoarthritis with no statistically significant difference in overall re-operation rate between groups identified (p = 0.518,). Forty-five percent (n=42) of patients had so far returned patient reported outcome measures at a minimum of 10 years (Fibular nail n=19, plate fixation n=23). No significant difference was found between groups at 10 years for the Olerud and Molander Ankle Score (p = 0.990), the Manchester-Oxford Foot Questionnaire (p = 0.288), Euroqol-5D Index (p = 0.828) and Euroqol-5D Visual Analogue Score (p = 0.769). The current study illustrates no difference between fibular nail fixation and plate fixation at a long-term follow up of 10 years in patients under 65 years old, although the study is currently under powered


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_12 | Pages 5 - 5
1 Oct 2021
Bell K Balfour J Oliver W White T Molyneux S Clement N Duckworth A
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The primary aim was to determine the rate of complications and re-intervention rate in a consecutive series of operatively managed distal radius fractures. Data was retrospectively collected on 304 adult distal radius fractures treated at our institution in a year. Acute unstable displaced distal radius fractures surgically managed within 28 days of injury were included. Demographic and injury data, as well as details of complications and their subsequent management were recorded. There were 304 fractures in 297 patients. The mean age was 57yrs and 74% were female. Most patients were managed with open reduction and internal fixation (ORIF) (n=278, 91%), with 6% (n=17) managed with manipulation and Kirschner wires and 3% (n=9) with bridging external fixation. Twenty-seven percent (n=81) encountered a post-operative complication. Complex regional pain syndrome was most common (5%, n=14), followed by loss of reduction (4%). Ten patients (3%) had a superficial wound infection managed with oral antibiotics. Deep infection occurred in one patient. Fourteen percent (n=42) required re-operation. The most common indication was removal of metalwork (n=27), followed by carpal tunnel decompression (n=4) and revision ORIF (n=4). Increasing age (p=0.02), male gender (p=0.02) and high energy mechanism of injury (p<0.001) were associated with developing a complication. High energy mechanism was the only factor associated with re-operation (p<0.001). This study has documented the complication and re-intervention rates following distal radius fracture fixation. Given the increased risk of complications and the positive outcomes reported in the literature, non-operative management of displaced fractures should be considered in older patients


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_12 | Pages 8 - 8
1 Oct 2021
Lindsay E Lim J Clift B Cousins G Ridley D
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Unicompartmental knee osteoarthritis can be treated with either Total Knee Arthroplasty (TKA) or Unicompartmental Knee Arthroplasty (UKA) and controversy remains as to which treatment is best. UKA has been reported to offer a variety of advantages, however many still see it as a temporary procedure with higher revision rates. We aimed to clarify the role of UKA and evaluate the long-term and revision outcomes. We retrospectively reviewed the pain, function and total Knee Society Score (KSS) for 602 UKA and 602 TKA in age and gender matched patients over ten years. The total pre-operative KSS scores were not significantly different between UKA and TKA (42.67 vs 40.54 P=0.021). KSS (pain) was significantly better in the TKA group (44.39 vs 41.38 P= 0.007) at one year and at five years post-operatively (45.33 vs 43.12 P=0.004). There was no statistically significant difference for KSS (total) in TKA and UKA during the study period. 16.3% of UKA and 20.1% of TKA had a documented complication. 79 UKA (13%) and 36 TKA (6%) required revision surgery. Despite the higher revision rate, pre-operative KSS (total) before revision was not significantly different between UKA and TKA (42.94 vs 42.43 P=0.84). Performance for UKAs was inferior to TKAs in Kaplan-Meier cumulative survival analysis at 10 years (P<0.001). Both UKA and TKA are viable treatment options for unicompartmental knee osteoarthritis, each with their own merits. UKA is associated with fewer complications whereas TKA provides better initial pain relief and is more durable and less likely to require revision


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_4 | Pages 10 - 10
1 Mar 2020
Place Z Shalaby H McKinley J
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We report a cost-effectiveness analysis of Primary Total Ankle Replacements (TAR). In addition, we looked for factors that could be predictors of increased gain in Quality-Adjusted Life Years (QALYs). Pre-operative and six-month post-operative data for TAR was obtained over seven-and-a-half-years in NHS Lothian. The EuroQol general health questionnaire (EQ-5D-3L) measured health-related Quality of Life and the Manchester-Oxford Foot Questionnaire (MOXFQ) measured joint function. Predictors, tested for significance with QALYs gained, were pre-operative scores and demographic data including age, gender, BMI and Deprivation category. Continuous variables were assessed with Pearson correlation coefficients, Deprivation and BMI categories with Boxplots and gender with the Mann-Whitney U test. The 74-patient cohort [Mean age 68.03 (SD 8.61), 60.8% male] had 49% classed as obese or higher. Cost per QALY gained was £3841, rising to £9202 when annual 3.5% reduction in health gains and 1.9% revision rates were included. Lower pre-operative EQ-5D-3L index correlated significantly with increased QALYs gained (p <0.01), all other predictors returned insignificant results (p >0.05). Primary TAR has proven very cost-effective in treating end-stage ankle arthritis. Pre-operative EQ-5D-3L is the most promising predictor of QALYs gained identified


The Bone & Joint Journal
Vol. 100-B, Issue 9 | Pages 1220 - 1226
1 Sep 2018
Chiu H Chen C Su T Chen C Hsieh H Hsieh C Shen D

Aims. We aimed to determine the effect of dementia and Parkinson’s disease on one, three and 12-month mortality following surgery for fracture of the hip in elderly patients from an Asian population. Patients and Methods. Using a random sample of patients taken from the Taiwan National Health Insurance Research Database, this retrospective cohort study analyzed the data on 6626 elderly patients who sustained a fracture of the hip between 1997 and 2012 who had ICD-9 codes within the general range of hip fracture (820.xx). We used Cox regression to estimate the risk of death associated with dementia, Parkinson’s disease or both, adjusting for demographic, clinical, treatment, and provider factors. Results. Among 6626 hip fracture patients, 10.20% had dementia alone, 5.60% had Parkinson’s disease alone, and 2.67% had both. Corresponding one-year mortality rates were 15.53%, 11.59%, and 15.82%, compared with 9.22% for those without neurological illness. Adjusted hazard ratio for one-year mortality was 1.45 (95% confidence intervals (CI) 1.17 to 1.79) for those with dementia, and 1.57 (95% CI 1.07 to 2.30) with both dementia and Parkinson’s disease versus patients with neither. There was no significant association with death for Parkinson’s disease alone. Age, male gender and comorbidities were also associated with a higher risk of mortality. Conclusion. Dementia, with or without Parkinson’s disease, is an independent predictor of mortality following surgery for fractures of the hip. Age, male gender and comorbidities also increase the risk of death. Parkinson’s disease alone has no significant effect. Cite this article: Bone Joint J 2018;100-B:1220–6


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_7 | Pages 11 - 11
1 May 2019
Powell-Bowns M Clement N Scott C
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To investigate predictors of periprosthetic fracture level (around stem (Vancouver B) or distal to stem (Vancouver C/D) in cemented polished tapered femoral stems. Retrospective cohort study of 188 patients (mean age 79 (range 30–91); 99 (53%) male) with unilateral periprosthetic femoral fractures associated with CPT stems. Medical notes were reviewed and the following recorded: patient demographics, past medical history, drug history, date of prosthesis insertion, and date of injury. Radiographs analysis included Vancouver classification, cement restrictor type, cement mantle to implant tip distance, cortical thickness, femoral diameter and DORR classification. Univariate, multivariate and ROC curve analysis was performed. Fractures occurred at mean 7.5 years following primary procedure: 152 (83%) were B fractures; and 36 (19%) C/D. On univariate analysis female gender, lower BMI, osteoporosis, NSAID use, Bisphosphonate therapy, cortical thickness, distal cement mantle length and distal cement mantle length:femoral diameter ratio were significantly associated with C level fractures (p<0.05). Distal cement mantle lengths of >19.6mm (AUC 0.688, p<0.001) were associate with C level fractures. Multivariate analysis demonstrated female gender and distal cement mantle length:femoral diameter ratio to be independent predictors of C level periprosthetic fractures. Though female sex is the largest independent predictor of periprosthetic fractures distal to a CPT femoral stem, the relationship between cortical thickness and distal cement mantle length appears significant. As fractures distal to the stem are invariably managed by ORIF, whereas fractures around the stem frequently require revision arthroplasty, this has relevance at primary surgery in osteoporotic females to reduce the need for complex revisions


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_3 | Pages 6 - 6
1 Feb 2020
Crighton E Jenkins P Butterworth G Elias-Jones C Brooksbank A
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Combined glenoid and humeral bone loss has been identified as an important factor in predicting recurrence after arthroscopic shoulder stabilisation. The “glenoid track” concept is proposed to predict recurrent instability by comparing the relative size of the glenoid to the humeral bone defect. The aim of this study was to investigate whether assessment of the glenoid track on a pre-operative MR arthrogram could be used to predict subsequent instability in a typical UK population. A retrospective study was undertaken of 175 primary arthroscopic stabilisation procedures of which 82% (n=143) were men. The median age was 26 years (IQR 22 to 32, range 16 to 77). The median follow-up was 76 months (range 21 to 125). A pre-operative MR arthrogram was used to determine if the shoulder was on-track or off-track. The endpoint of recurrent dislocation was examined. The prevalence of “off-track” bone loss in this group was 14.2% (n=25). There were 6 (24%) dislocations in the off-track group compared with 5 (3.33%) dislocations in the on-track group (RR 7.2, 95% CI 2.45 to 20.5, p=0.001). At 5 years, the cumulative redislocation rate was 26.1% in the off-track group compared with 8.7% in on-track group. The rate of any recurrent instability was 60% (n=15) v 18% (n=27) (RR 3.33, 95% CI 2.02 to 5.20, p<0.0001). Glenoid track (on v off) was not predicted by gender (p=0.411). In a typical UK population assessment of the glenoid track on an MR arthrogram can be used to risk stratify patients with shoulder instability


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 2 | Pages 227 - 230
1 Feb 2012
Yang T Wang T Tsai Y Huang K

In patients with traumatic brain injury and fractures of long bones, it is often clinically observed that the rate of bone healing and extent of callus formation are increased. However, the evidence has been unconvincing and an association between such an injury and enhanced fracture healing remains unclear. We performed a retrospective cohort study of 74 young adult patients with a mean age of 24.2 years (16 to 40) who sustained a femoral shaft fracture (AO/OTA type 32A or 32B) with or without a brain injury. All the fractures were treated with closed intramedullary nailing. The main outcome measures included the time required for bridging callus formation (BCF) and the mean callus thickness (MCT) at the final follow-up. Comparative analyses were made between the 20 patients with a brain injury and the 54 without brain injury. Subgroup comparisons were performed among the patients with a brain injury in terms of the severity of head injury, the types of intracranial haemorrhage and gender. Patients with a brain injury had an earlier appearance of BCF (p < 0.001) and a greater final MCT value (p < 0.001) than those without. There were no significant differences with respect to the time required for BCF and final MCT values in terms of the severity of head injury (p = 0.521 and p = 0.153, respectively), the types of intracranial haemorrhage (p = 0.308 and p = 0.189, respectively) and gender (p = 0.383 and p = 0.662, respectively). These results confirm that an injury to the brain may be associated with accelerated fracture healing and enhanced callus formation. However, the severity of the injury to the brain, the type of intracranial haemorrhage and gender were not statistically significant factors in predicting the rate of bone healing and extent of final callus formation


The Bone & Joint Journal
Vol. 100-B, Issue 3 | Pages 361 - 369
1 Mar 2018
Sprague S Bhandari M Heetveld MJ Liew S Scott T Bzovsky S Heels-Ansdell D Zhou Q Swiontkowski M Schemitsch EH

Aims. The primary aim of this prognostic study was to identify baseline factors associated with physical health-related quality of life (HRQL) in patients after a femoral neck fracture. The secondary aims were to identify baseline factors associated with mental HRQL, hip function, and health utility. Patients and Methods. Patients who were enrolled in the Fixation using Alternative Implants for the Treatment of Hip Fractures (FAITH) trial completed the 12-item Short Form Health Survey (SF-12), Western Ontario and McMaster Universities Arthritis Index, and EuroQol 5-Dimension at regular intervals for 24 months. We conducted multilevel mixed models to identify factors potentially associated with HRQL. . Results. The following were associated with lower physical HRQL: older age (-1.42 for every ten-year increase, 95% confidence interval (CI) -2.17 to -0.67, p < 0.001); female gender (-1.52, 95% CI -3.00 to -0.05, p = 0.04); higher body mass index (-0.69 for every five-point increase, 95% CI -1.36 to -0.02, p = 0.04); American Society of Anesthesiologists class III (versus class I) (-3.19, 95% CI -5.73 to -0.66, p = 0.01); and sustaining a displaced fracture (-2.18, 95% CI -3.88 to -0.49, p = 0.01). Additional factors were associated with mental HRQL, hip function, and health utility. . Conclusion. We identified several baseline factors associated with lower HRQL, hip function, and utility after a femoral neck fracture. These findings may be used by clinicians to inform treatment and outcomes. Cite this article: Bone Joint J 2018;100-B:361–9


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_7 | Pages 9 - 9
1 May 2019
Downie S Madden K Bhandari M Jariwala A
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International literature reports a 30% lifetime prevalence of intimate partner violence (IPV, domestic abuse). Many of those affected have little interaction with healthcare. Since a third of abused patients sustain musculoskeletal injuries, the fracture clinic has potential for identifying victims of abuse. The aim was to identify the proportion of fracture clinic patients who had suffered IPV within the past year. A prospective questionnaire study of patients in three UK adult fracture clinics was conducted. There were no gender/age exclusions and the target sample size was 278. This study had ethics approval and the questionnaire used is validated in this population. Of 336 respondents, 46% were females with 63% aged over 40 (212/336). The total prevalence of IPV within the preceding 12 months was 9% (29/336). The lifetime prevalence of IPV amongst respondents was 20% (68/336). 38% of patients suffering from IPV had been physically abused by their partner (11/29 vs. 7% in controls, p<0.001). None of the patients were being seen for an injury related to abuse. Two thirds of respondents thought that staff should ask routinely about IPV (64% 216/336) but only 5% had been asked about abuse (18/336). This is the first study in the UK investigating prevalence of IPV in orthopaedics. There is a high lifetime prevalence of abuse in fracture clinic patients. Patients are willing to disclose abuse within the fracture clinic setting and are supportive of staff asking about abuse. This presents an opportunity to identify those at risk in this vulnerable population


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_7 | Pages 8 - 8
1 May 2019
Moriarty P Wong L Kearney D Harty J
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Revision hip arthroplasty presents a challenge in the setting of femoral bone loss. Tapered stems are susceptible to subsidence which leads to leg length inequality, hip instability and may necessitate repeat femoral revision surgery. The purpose of this study was to compare radiographic outcomes in two modular tapered revision systems with different distal stem geometries. We sought to establish the minimum postoperative stem bi-cortical contact length that predicts subsidence for tapered stems. This study examined revision total hip arthroplasties between 2009 and 2016 in a European university affiliated major trauma center. Modular stem A has a taper of 3 degrees whereas modular stem B has a taper of 2 degrees. Radiologic assessment compared x-rays at two time points: immediately post-surgery and most recent x-ray available at a minimum follow up of two years. Leg length discrepancy, subsidence and postoperative bi cortical contact was assessed. Descriptive summary statistics calculated clinical factors (i.e. age, gender, Paprosky classification). 122 arthroplasties were completed. Complete data was available for 112. Revisions were carried out for Paprovski grade 3a/ 3b femoral deficits. Post-operative bi-cortical contact of the proximal stem < 20mm was associated with higher subsidence rates (P = 0.047). Subsidence rates for implant A and B system were 4.27mm (0.12–25.62mm) and 3.43 mm (0.3–11.1 mm) respectively. Significant subsidence was noted in 9.8% (n=8) in implant A and 5.2%(n=2) in implant B. We conclude that immediate postoperative bi-cortical stem contact of <20mm was associated with significantly higher subsidence rates in this study