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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 547 - 547
1 Sep 2012
Duckworth A Clement N Aitken S Jenkins P Court-Brown C Mcqueen M
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Introduction. This study investigates the epidemiology of proximal radial fractures and potential links to social deprivation. Patients and Methods. From a prospective database we identified and analysed all patients who had sustained a fracture of the radial head or neck over a one year period. The degree of social deprivation was assessed using the Carstairs and Morris index. The relationship between demographic data, fracture characteristics and deprivation categories was determined using statistical analysis. Results. Two hundred and ninety radial head (n=203) and neck (n=87) fractures were diagnosed with a mean age of 44.3years (13–94). There was no significant difference with regards age or gender predominance when comparing radial head and neck fractures directly. The mean age of males was significantly younger when compared to females for radial head (p<0.001) and neck (p<0.001) fractures, but with no gender predominance seen. Associated injuries (n=25) were related to increasing age (p=0.006), radial head fractures (p=0.003) and increasing fracture complexity according to the Mason classification (p<0.001). Social deprivation was related to the mean age at the time of fracture and the mechanism of injury (p<0.05 for both). Conclusions. Proximal radial fractures are frequently fragility fractures affecting older females and assessment for osteoporosis is recommended. Complex radial head fractures require thorough investigation for the presence of associated injuries


The Bone & Joint Journal
Vol. 97-B, Issue 6 | Pages 830 - 835
1 Jun 2015
Li SL Lu Y Wang MY

This study compares the outcomes of two methods of fixation of displaced fractures of the radial neck. The 58 patients with a mean age of 38.5 years (18 to 56), were treated in a non randomised study with screws (n = 29) or a plate and screws (n = 29) according to the surgeon’s preference. The patients were reviewed at one year. Radiographs and functional evaluations were carried out up to one year post-operatively, using the Broberg and Morrey functional evaluation score, range of movement, and assessment of complications. The mean functional scores did not differ significantly between groups (90 (55 to 100) vs 84; 50 to 100, p = 0.09), but the mean range of forearm rotation in screw group was significantly better than in the plate group (152°; 110° to 170° vs 134°; 80° to 170°, p = 0.001). Although not statistically significant, the screw group had a lower incidence of heterotopic ossification than the plate group (n = 1) than the plated group (n = 3) and the pathology was graded as less severe. Cite this article: Bone Joint J 2015;97-B:830–5


The Journal of Bone & Joint Surgery British Volume
Vol. 88-B, Issue 5 | Pages 642 - 644
1 May 2006
åkesson T Herbertsson P Josefsson P Hasserius R Besjakov J Karlsson MK

We have reviewed 20 women and three men aged 22 to 73 years, who had sustained a Mason type-IIb fracture of the neck of the radius 14 to 25 years earlier. There were 19 patients with displacement of the fractures of 2 mm to 4 mm, of whom 13 had been subjected to early mobilisation and six had been treated in plaster for one to four weeks. Of four patients with displacement of 4 mm to 8 mm, three had undergone excision and one an open reduction of the head of radius. A total of 21 patients had no subjective complaints at follow-up, but two had slight impairment and occasional elbow pain. The mean range of movement and strength of the elbow were not impaired. The elbows had a higher prevalence of degenerative changes than the opposite side, but no greater reduction of joint space. Mason type-IIb fractures have an excellent long-term outcome if operation is undertaken when the displacement of the fracture exceeds 4 mm


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 19 - 19
1 Sep 2012
Carrera E Marchetto A Reis F
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Introduction. The aim of this study is to present the results of the surgical treatment of the humeral neck fracture applying two different plates based on the presence or not of bone compression. Material and Methods. Thirty two patients with displced proximal humerus fracture were operated on between January 2002 and August 2007. After radiographic analysis, the fractures were classified into two types: non-compressive (without loss of bone tissue – not impacted fracture) and compressive (with permanent bone loss due to compression between the fragments – impacted valgus fracture) fractures. Depending on the presence or not of bone compression, two different plates were applied for osteosynthesis: a locking angled blade plate, for “non-compressive fractures” and a locking angled “spacer” plate, for “compressive fractures”. Results. Twenty (59%) fractures were considered “non-compressive” and operated on applying the locking angled blade plate, and 12 (41%) were classified as “compressive fractures” and were operated on applying a locking angled “spacer” plate. Conclusion. the displaced humeral neck fractures may or may not undergo compression and permanent deformity among the fragments. The displaced fractures should be treated in two different manners, depending on whether or not there is bone compression between the fragments


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XV | Pages 4 - 4
1 Apr 2012
Beech Z Trompeter A Singleton AJ Cooper G Hull GJ
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Hip resurfacing arthroplasty is an established and effective intervention for osteoarthritis of the hip in the young active patient, relying on the principle of femoral bone-stock preservation. A recognised mode of failure is neck thinning leading to radiological evidence of neck collapse and clinical failure. We report on a series of these slow-neck-failure patients and highlight the increased incidence of this phenomenon in post-menopausal female patients. This is a single operator, single implant series; 172 cases were identified from databases at our institution. 76 were female, mean (SD) age 52 (7) years. 96 were male, mean (SD) age 51(12) years. 15 (8.7%) patients required revision. 12 (80%) were female, 9 (75%) of these were due to slow neck failure. In the men one patient developed ALVAL requiring removal of his bilateral hip resurfacings, the other failure mode was early femoral neck failure. Mean time to failure was 6 months in men and 37 months in women. This difference in failure rates is also seen in the NJR figures. This review confirms the relatively high incidence of premature failure in post-menopausal females. NICE guidance in 2003, currently under review, stated that resurfacing is indicated in male patients up to 65 and female patients up to 60. As a result of this study we are currently advising post-menopausal patients that this risk of early failure may make total hip replacement a preferable option to resurfacing arthroplasty


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 95 - 95
1 Apr 2013
Wong M Amila MG
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Introduction. Femur neck fractures (NOF) in the young could result in mal-union, non-union and avascular necrosis of the femoral head. Osteosynthesis is the standard of management in NOFs in young patient above complications sometimes end in Arthroplasty. The aim of our study is to identify predictors of NOF failures in the young population. Method. A retrospective study conducted in a single center. Patients with NOF fractures below the age of <50y excluding pathological and osteoporotic fractures were assessed in the period from 2005–2008. The mean follow-up was 22 months (6–40). Fractures were classified according to Gardens classification. Our Aim was to identify causative factors for fixation failures. Analysis was done using SPSS 17.0. Results. Within the 4 year period we identified 41 NOF fractures, 24 (75%) fractures were displaced. 7 (25%) out of the displaced fractures went in to failure and required arthroplasty. 3 (42%) went in to avascular necrosis and 2(28.5%) went in to screw cut out and non unions. All failures were primarily fixed with cancellous screws. We identified Male sex (p=0.03), Pre-operative delay of >25h (p=0.04), Chronic alcohol intake (p=0.02) and intra operative time >107min (p=0.001) as the main predictors of NOF failures in the young. Conclusion. Early surgical intervention within 25h, restricting the operation time to less than 107min would reduce the failure rates. We would recommend arthroplasty for patients who are chronic alcoholics


The Journal of Bone & Joint Surgery British Volume
Vol. 88-B, Issue 3 | Pages 358 - 361
1 Mar 2006
Prathapkumar KR Garg NK Bruce CE

Several techniques are available for the treatment of displaced fractures of the neck of the radius in children. We report our experience in 14 children treated by indirect reduction and fixation using an elastic stable intramedullary nail. The patients were followed up for a mean of 28 months. One developed asymptomatic avascular necrosis. The rest had excellent results. One had a neuropraxia of the posterior interosseous nerve, which recovered within six weeks. We advocate elastic stable intramedullary nailing for the closed reduction and fixation of these fractures in children


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 172 - 172
1 Sep 2012
Wirtz C Herold F Gerber Popp A
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OBJECTIVES. In elderly patients the temporary loss of function of the upper extremity due to immobilization for treatment of unstable proximal humeral fractures is a very disabling condition. Stable fixation of such fractures allowing immediate functional aftercare may contribute to early social reintegration in this group of patients. Aim of this study is to present the surgical technique of humeral blade plate fixation and the clinical and radiographic results after fixation of unstable surgical neck fractures with this implant followed by immediate functional treatment in patients older than 60 years. PATIENTS. 20 patients (4 male, 16 female) with a mean age of 74 years (59y–93y) were included in this study and treated consecutively for an unstable/displaced surgical neck fracture with a humeral blade plate. Postoperatively functional treatment was allowed. All but one patient had a clinical and radiographic follow-up 6 weeks po. At an average final follow-up of 18,8 months (12–24 months) 4 patients had died from causes unrelated to surgery. RESULTS. Surgery was performed in all patients without local or general complications despite comorbidities. In all patients anatomic reduction and stable fixation could be achieved. 6 weeks po all patients (N=20) were free of pain at rest, 7 patients had low pain (VAS < 4) when actively moving the arm. All patients used their operated arm for ADL and were back home or in the institution they came from at the time of trauma. All fractures were deamed to be healed without implant failure. In two cases a clinically asymptomatic 1–2mm protrusion of the blade through the subchondral bone was observed, but did not required further surgery. At final follow-up (N=8) the average absolute Constant/Murley Score was 68,6 points (contralateral 71,4). Radiographically all fractures had healed without complications. Implant removal was not required. CONCLUSION. Humeral blade plate fixation combined with suture tension-banding of the rotator cuff allows indirect reduction, dynamic and stable osteosynthesis of unstable surgical neck fractures even in osteoporotic bone. In our small series, this technique has shown to be a safe and reliable therapeutic option allowing immediate functional treatment and thus early social reintegration in elderly patients


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 579 - 579
1 Sep 2012
Grammatopoulos G Pandit H Backer K Gundle R Mclardy-Smith P Desmet K Murray D Gill H
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INTRODUCTION

Femoral neck narrowing (NN) following Metal-on-Metal Hip Resurfacing Arthroplasty (MoMHRA) is a well-recognised clinical phenomenon. The incidence of resurfaced hips with NN > 10% is reported to be up to 27%. Its pathogenesis is thought to be multi-factorial secondary to stress shielding, impingement, osteolysis secondary to wear/ion particles and as a result of reduced vascularity and pressure effect on cancellous bone secondary to the presence of a soft-tissue mass around the resurfaced hip. Recognised risk factors for its development include: female gender and the presence of a pseudotumour. Serum Chromium (Cr) and Cobalt (Co) are recognised surrogate markers of in-vivo wear of MoMHRA. The aims of this study were to establish whether NN is associated with increased wear.

METHODS

A cohort of 214 patients with unilateral MoMHRA (139M: 75F) was included in this study. Primary osteoarthritis was the diagnosis leading to surgery for the majority of patients (208). The average age at surgery was 54.1 years old (13–73). Six different implants were used; BHR (116), Conserve plus (92), Recap (2), ASR (2), Adept (1) and Cormet (1). The average femoral component size was 49.2mm (range: 38–59). The average follow up was 4.3 years (range: 2–10). Patients were subdivided into 3 groups as per implant size. Small size component group had implants <45mm, average size group had components 45–51mm and large component size group had components >51mm.

All patients had Prosthesis-Junction-Ratio (PJR) measured from postoperative (PJRpost) and at latest follow up (PJRfollow) radiographs. Measurements were made using the method described by Lilikakis1.

Metal ion levels (Cr/Co) were measured at last follow-up for all patients. Cr level >5.1g/ml and Co levels >4.4 g/ml were considered high2 and patients with such levels formed the high ion group.


The Journal of Bone & Joint Surgery British Volume
Vol. 85-B, Issue 3 | Pages 419 - 422
1 Apr 2003
Hodgson SA Mawson SJ Stanley D

We undertook a prospective, controlled trial which compared two rehabilitation programmes for 86 patients who sustained two-part fractures of the proximal humerus. Patients were randomised either to receive immediate physiotherapy within one week (group A) or delayed physiotherapy after three weeks of immobilisation in a collar and cuff sling (group B).

At 16 weeks after the fracture, patients in group A had less pain (p < 0.01) and had greater shoulder function (p < 0.001) than those in group B. At 52 weeks, the differences between the groups had reduced. Although group A still had greater shoulder function and less pain, there was no statistical difference when compared with group B. By analysis of the area under the curve, an overall measure up to the 52-week period, group A experienced less pain as measured by the SF36 general health questionnaire and had improved shoulder function.

Our results show that patients with two-part fractures of the proximal humerus who begin immediate physiotherapy, experience less pain. The gains in shoulder function persist at 52 weeks which suggests that patients do not benefit from immobilisation before beginning physiotherapy.


Bone & Joint Research
Vol. 2, Issue 8 | Pages 162 - 168
1 Aug 2013
Chia PH Gualano L Seevanayagam S Weinberg L

Objectives

To determine the morbidity and mortality outcomes of patients presenting with a fractured neck of femur in an Australian context. Peri-operative variables related to unfavourable outcomes were identified to allow planning of intervention strategies for improving peri-operative care.

Methods

We performed a retrospective observational study of 185 consecutive adult patients admitted to an Australian metropolitan teaching hospital with fractured neck of femur between 2009 and 2010. The main outcome measures were 30-day and one-year mortality rates, major complications and factors influencing mortality.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 67 - 67
1 Sep 2012
Labek G Thaler M Agreiter M Williams A Krismer M Böhler N
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Introduction

Austin Moore cervicocephalic prostheses have been a therapeutical option for femoral neck fractures in patients with a reduced general condition for many years. Since treatments other than total hip arthroplasties have also been included in National arthroplasty registers during the last decade, adequate reference data for comparative analyses have recently become available.

Materials and Methods

Based on a standardised methodology, a comprehensive literature analysis of clinical literature and register reports was conducted. On the one hand, the datasets were examined with regard to validity and the occurrence of possible bias factors, on the other hand, the objective was to compile a summary of the data available. The main criterion is the indicator of Revision Rate. The definitions used with respect to revisions and the methodology of calculations are in line with the usual standards of international arthroplasty registers.


Bone & Joint Open
Vol. 2, Issue 5 | Pages 330 - 336
21 May 2021
Balakumar B Nandra RS Woffenden H Atkin B Mahmood A Cooper G Cooper J Hindle P

Aims. It is imperative to understand the risks of operating on urgent cases during the COVID-19 (SARS-Cov-2 virus) pandemic for clinical decision-making and medical resource planning. The primary aim was to determine the mortality risk and associated variables when operating on urgent cases during the COVID-19 pandemic. The secondary objective was to assess differences in the outcome of patients treated between sites treating COVID-19 and a separate surgical site. Methods. The primary outcome measure was 30-day mortality. Secondary measures included complications of surgery, COVID-19 infection, and length of stay. Multiple variables were assessed for their contribution to the 30-day mortality. In total, 433 patients were included with a mean age of 65 years; 45% were male, and 90% were Caucasian. Results. Overall mortality was 7.6% for all patients and 15.9% for femoral neck fractures. The mortality rate increased from 7.5% to 44.2% in patients with fracture neck of femur and a COVID-19 infection. The COVID-19 rate in the 30-day postoperative period was 11%. COVID-19 infection, age, and Charlson Comorbidity Index were independent risk factor for mortality. Conclusion. There was a significant risk of contracting COVID-19 due to being admitted to hospital. Using a site which was not treating COVID-19 respiratory patients for surgery did not identify a difference with respect to mortality, nosocomial COVID-19 infection, or length of stay. The COVID-19 pandemic significantly increases perioperative mortality risk in patients with fractured neck of femora but patients with other injuries were not at increased risk. Cite this article: Bone Jt Open 2021;2(5):330–336


The Bone & Joint Journal
Vol. 102-B, Issue 1 | Pages 33 - 41
1 Jan 2020
Norman JG Brealey S Keding A Torgerson D Rangan A

Aims. The aim of this study was to explore whether time to surgery affects functional outcome in displaced proximal humeral fractures. Methods. A total of 250 patients presenting within three weeks of sustaining a displaced proximal humeral fracture involving the surgical neck were recruited at 32 acute NHS hospitals in the United Kingdom between September 2008 and April 2011. Of the 125 participants, 109 received surgery (fracture fixation or humeral head replacement) as per randomization. Data were included for 101 and 67 participants at six-month and five-year follow-up, respectively. Oxford Shoulder Scores (OSS) collected at six, 12, and 24 months and at three, four, and five years following randomization was plotted against time to surgery. Long-term recovery was explored by plotting six-month scores against five-year scores and agreement was illustrated with a Bland-Altman plot. Results. The mean time from initial trauma to surgery was 10.5 days (1 to 33). Earlier surgical intervention did not improve OSS throughout follow-up, nor when stratified by participant age (< 65 years vs ≥ 65 years) and fracture severity (one- and two-part vs three- and four-part fractures). Participants managed later than reported international averages (three days in the United States and Germany, eight days in the United Kingdom) did not have worse outcomes. At five-year follow-up, 50 participants (76%) had the same or improved OSS compared with six months (six-month mean OSS 35.8 (SD 10.0); five-year mean OSS 40.1 (SD 9.1); r = 0.613). A Bland-Altman plot demonstrated a positive mean difference (3.3 OSS points (SD 7.92)) with wide 95% limits of agreement (-12.2 and 18.8 points). Conclusion. Timing of surgery did not affect OSS at any stage of follow-up, irrespective of age or fracture type. Most participants had maximum functional outcome at six months that was maintained at five years. These findings may help guide providers of trauma services on surgical prioritization. Cite this article: Bone Joint J 2020;102-B(1):33–41


Bone & Joint Research
Vol. 5, Issue 10 | Pages 481 - 489
1 Oct 2016
Handoll HHG Brealey SD Jefferson L Keding A Brooksbank AJ Johnstone AJ Candal-Couto JJ Rangan A

Objectives. Accurate characterisation of fractures is essential in fracture management trials. However, this is often hampered by poor inter-observer agreement. This article describes the practicalities of defining the fracture population, based on the Neer classification, within a pragmatic multicentre randomised controlled trial in which surgical treatment was compared with non-surgical treatment in adults with displaced fractures of the proximal humerus involving the surgical neck. Methods. The trial manual illustrated the Neer classification of proximal humeral fractures. However, in addition to surgical neck displacement, surgeons assessing patient eligibility reported on whether either or both of the tuberosities were involved. Anonymised electronic versions of baseline radiographs were sought for all 250 trial participants. A protocol, data collection tool and training presentation were developed and tested in a pilot study. These were then used in a formal assessment and classification of the trial fractures by two independent senior orthopaedic shoulder trauma surgeons. Results. Two or more baseline radiographic views were obtained for each participant. The independent raters confirmed that all fractures would have been considered for surgery in contemporaneous practice. A full description of the fracture population based on the Neer classification was obtained. The agreement between the categorisation at baseline (tuberosity involvement) and Neer classification as assessed by the two raters was only fair (kappa 0.29). However, this disparity did not appear to affect trial findings, specifically in terms of influencing the effect of treatment on the primary outcome of the trial. Conclusions. A key reporting requirement, namely the description of the fracture population, was achieved within the context of a pragmatic multicentre randomised clinical trial. This article provides important guidance for researchers designing similar trials on fracture management. Cite this article: H. H. G. Handoll, S. D. Brealey, L. Jefferson, A. Keding, A. J. Brooksbank, A. J. Johnstone, J. J. Candal-Couto, A. Rangan. Defining the fracture population in a pragmatic multicentre randomised controlled trial: PROFHER and the Neer classification of proximal humeral fractures.Bone Joint Res 2016;5:481–489. DOI: 10.1302/2046-3758.510.BJR-2016-0132.R1


Bone & Joint Open
Vol. 5, Issue 1 | Pages 37 - 45
19 Jan 2024
Alm CE Karlsten A Madsen JE Nordsletten L Brattgjerd JE Pripp AH Frihagen F Röhrl SM

Aims

Despite limited clinical scientific backing, an additional trochanteric stabilizing plate (TSP) has been advocated when treating unstable trochanteric fractures with a sliding hip screw (SHS). We aimed to explore whether the TSP would result in less post operative fracture motion, compared to SHS alone.

Methods

Overall, 31 patients with AO/OTA 31-A2 trochanteric fractures were randomized to either a SHS alone or a SHS with an additional TSP. To compare postoperative fracture motion, radiostereometric analysis (RSA) was performed before and after weightbearing, and then at four, eight, 12, 26, and 52 weeks. With the “after weightbearing” images as baseline, we calculated translations and rotations, including shortening and medialization of the femoral shaft.


The Bone & Joint Journal
Vol. 106-B, Issue 11 | Pages 1348 - 1360
1 Nov 2024
Spek RWA Smith WJ Sverdlov M Broos S Zhao Y Liao Z Verjans JW Prijs J To M Åberg H Chiri W IJpma FFA Jadav B White J Bain GI Jutte PC van den Bekerom MPJ Jaarsma RL Doornberg JN

Aims

The purpose of this study was to develop a convolutional neural network (CNN) for fracture detection, classification, and identification of greater tuberosity displacement ≥ 1 cm, neck-shaft angle (NSA) ≤ 100°, shaft translation, and articular fracture involvement, on plain radiographs.

Methods

The CNN was trained and tested on radiographs sourced from 11 hospitals in Australia and externally validated on radiographs from the Netherlands. Each radiograph was paired with corresponding CT scans to serve as the reference standard based on dual independent evaluation by trained researchers and attending orthopaedic surgeons. Presence of a fracture, classification (non- to minimally displaced; two-part, multipart, and glenohumeral dislocation), and four characteristics were determined on 2D and 3D CT scans and subsequently allocated to each series of radiographs. Fracture characteristics included greater tuberosity displacement ≥ 1 cm, NSA ≤ 100°, shaft translation (0% to < 75%, 75% to 95%, > 95%), and the extent of articular involvement (0% to < 15%, 15% to 35%, or > 35%).


The Bone & Joint Journal
Vol. 98-B, Issue 2 | Pages 152 - 159
1 Feb 2016
Corbacho B Duarte A Keding A Handoll H Chuang LH Torgerson D Brealey S Jefferson L Hewitt C Rangan A

Aims. A pragmatic multicentre randomised controlled trial (PROFHER) was conducted in United Kingdom National Health Service (NHS) hospitals to evaluate the clinical effectiveness and cost effectiveness of surgery compared with non-surgical treatment for displaced fractures of the proximal humerus involving the surgical neck in adults. . Methods. A cost utility analysis from the NHS perspective was performed. Differences between surgical and non-surgical treatment groups in costs and quality adjusted life years (QALYs) at two years were used to derive an estimate of the cost effectiveness of surgery using regression methods. . Results. Patients randomised to receive surgical intervention accumulated mean greater costs and marginally lower QALYs than patients randomised to non-surgery. The surgical intervention cost a mean of £1758 more per patient (95% confidence intervals (CI) £1126 to £2389). Total QALYs for the surgical group were smaller than those for non-surgery -0.0101 (95% CI -0.13 to 0.11). The probability of surgery being cost effective was less than 10% given the current NICE willingness to pay at a threshold of £20 000 for an additional QALY. The results were robust to sensitivity analyses. Discussion. The results suggest that current surgical treatment is not cost effective for the majority of displaced fractures of the proximal humerus involving the surgical neck in the United Kingdom’s NHS. Take home message: The results of this trial do not support the trend of increased surgical treatment for patients with displaced fractures of the proximal humerus involving the surgical neck within the United Kingdom NHS. Cite this article: Bone Joint J 2016;98-B:152–9


Bone & Joint Open
Vol. 3, Issue 9 | Pages 674 - 683
1 Sep 2022
Singh P Jami M Geller J Granger C Geaney L Aiyer A

Aims

Due to the recent rapid expansion of scooter sharing companies, there has been a dramatic increase in the number of electric scooter (e-scooter) injuries. Our purpose was to conduct a systematic review to characterize the demographic characteristics, most common injuries, and management of patients injured from electric scooters.

Methods

We searched PubMed, EMBASE, Scopus, and Web of Science databases using variations of the term “electric scooter”. We excluded studies conducted prior to 2015, studies with a population of less than 50, case reports, and studies not focused on electric scooters. Data were analyzed using t-tests and p-values < 0.05 were considered significant.


Bone & Joint Open
Vol. 5, Issue 6 | Pages 457 - 463
2 Jun 2024
Coviello M Abate A Maccagnano G Ippolito F Nappi V Abbaticchio AM Caiaffa E Caiaffa V

Aims

Proximal femur fractures treatment can involve anterograde nailing with a single or double cephalic screw. An undesirable failure for this fixation is screw cut-out. In a single-screw nail, a tip-apex distance (TAD) greater than 25 mm has been associated with an increased risk of cut-out. The aim of the study was to examine the role of TAD as a risk factor in a cephalic double-screw nail.

Methods

A retrospective study was conducted on 112 patients treated for intertrochanteric femur fracture with a double proximal screw nail (Endovis BA2; EBA2) from January to September 2021. The analyzed variables were age, sex, BMI, comorbidities, fracture type, side, time of surgery, quality of reduction, pre-existing therapy with bisphosphonate for osteoporosis, screw placement in two different views, and TAD. The last follow-up was at 12 months. Logistic regression was used to study the potential factors of screw cut-out, and receiver operating characteristic curve to identify the threshold value.