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The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 696 - 702
1 May 2016
Theologis AA Burch S Pekmezci M

Aims. We compared the accuracy, operating time and radiation exposure of the introduction of iliosacral screws using O-arm/Stealth Navigation and standard fluoroscopy. Materials and Methods. Iliosacral screws were introduced percutaneously into the first sacral body (S1) of ten human cadavers, four men and six women. The mean age was 77 years (58 to 85). Screws were introduced using a standard technique into the left side of S1 using C-Arm fluoroscopy and then into the right side using O-Arm/Stealth Navigation. The radiation was measured on the surgeon by dosimeters placed under a lead thyroid shield and apron, on a finger, a hat and on the cadavers. Results. There were no neuroforaminal breaches in either group. The set-up time for the O-Arm was significantly longer than for the C-Arm, while total time for placement of the screws was significantly shorter for the O-Arm than for the C-Arm (p = 0.001). The mean absorbed radiation dose during fluoroscopy was 1063 mRad (432.5 mRad to 4150 mRad). No radiation was detected on the surgeon during fluoroscopy, or when he left the room during the use of the O-Arm. The mean radiation detected on the cadavers was significantly higher in the O-Arm group (2710 mRem standard deviation (. sd. ) 1922) than during fluoroscopy (11.9 mRem . sd 14.8). (p < 0.01). Conclusion. O-Arm/Stealth Navigation allows for faster percutaneous placement of iliosacral screws in a radiation-free environment for surgeons, albeit with the same accuracy and significantly more radiation exposure to cadavers, when compared with standard fluoroscopy. Take home message: Placement of iliosacral screws with O-Arm/Stealth Navigation can be performed safely and effectively. Cite this article: Bone Joint J 2016;98-B:696–702


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_19 | Pages 8 - 8
1 Nov 2017
Annan J Murray A
Full Access

Simulation in surgical training has become a key component of surgical training curricula, mandated by the GMC, however commercial tools are often expensive. As training budgets become increasingly pressurised, low-cost innovative simulation tools become desirable. We present the results of a low-cost, high-fidelity simulator developed in-house for teaching fluoroscopic guidewire insertion. A guidewire is placed in a 3d-printed plastic bone using simulated fluoroscopy. Custom software enables two inexpensive web cameras and an infra-red led marker to function as an accurate computer navigation system. This enables high quality simulated fluoroscopic images to be generated from the original CT scan from which the bone model is derived and measured guidewire position. Data including time taken, number of simulated radiographs required and final measurements such as tip apex distance (TAD) are collected. The simulator was validated using a DHS model and integrated assessment tool. TAD improved from 16.8mm to 6.6mm (p=0.001, n=9) in inexperienced trainees, and time taken from 4:25s to 2m59s (p=0.011). A control group of experienced surgeons showed no improvement but better starting points in TAD, time taken and number of radiographs. We have also simulated cannulated hip screws, femoral nail entry point and SUFE, but the system has potential for simulating any procedure requiring fluoroscopic guidewire placement e.g. pedicle screws or pelvic fixation. The low cost and 3D-printable nature have enabled multiple copies to be built. The software is open source allowing replication by any interested party. The simulator has been incorporated successfully into a higher orthopaedic surgical training program


Bone & Joint Open
Vol. 5, Issue 1 | Pages 46 - 52
19 Jan 2024
Assink N ten Duis K de Vries JPM Witjes MJH Kraeima J Doornberg JN IJpma FFA

Aims

Proper preoperative planning benefits fracture reduction, fixation, and stability in tibial plateau fracture surgery. We developed and clinically implemented a novel workflow for 3D surgical planning including patient-specific drilling guides in tibial plateau fracture surgery.

Methods

A prospective feasibility study was performed in which consecutive tibial plateau fracture patients were treated with 3D surgical planning, including patient-specific drilling guides applied to standard off-the-shelf plates. A postoperative CT scan was obtained to assess whether the screw directions, screw lengths, and plate position were performed according the preoperative planning. Quality of the fracture reduction was assessed by measuring residual intra-articular incongruence (maximum gap and step-off) and compared to a historical matched control group.


The Bone & Joint Journal
Vol. 105-B, Issue 4 | Pages 449 - 454
15 Mar 2023
Zhang C Wang C Duan N Zhou D Ma T

Aims

The aim of this study was to assess the safety and clinical outcome of patients with a femoral shaft fracture and a previous complex post-traumatic femoral malunion who were treated with a clamshell osteotomy and fixation with an intramedullary nail (IMN).

Methods

The study involved a retrospective analysis of 23 patients. All had a previous, operatively managed, femoral shaft fracture with malunion due to hardware failure. They were treated with a clamshell osteotomy between May 2015 and March 2020. The mean age was 42.6 years (26 to 62) and 15 (65.2%) were male. The mean follow-up was 2.3 years (1 to 5). Details from their medical records were analyzed. Clinical outcomes were assessed using the quality of correction of the deformity, functional recovery, the healing time of the fracture, and complications.


Bone & Joint Open
Vol. 5, Issue 2 | Pages 147 - 153
19 Feb 2024
Hazra S Saha N Mallick SK Saraf A Kumar S Ghosh S Chandra M

Aims

Posterior column plating through the single anterior approach reduces the morbidity in acetabular fractures that require stabilization of both the columns. The aim of this study is to assess the effectiveness of posterior column plating through the anterior intrapelvic approach (AIP) in the management of acetabular fractures.

Methods

We retrospectively reviewed the data from R G Kar Medical College, Kolkata, India, from June 2018 to April 2023. Overall, there were 34 acetabulum fractures involving both columns managed by medial buttress plating of posterior column. The posterior column of the acetabular fracture was fixed through the AIP approach with buttress plate on medial surface of posterior column. Mean follow-up was 25 months (13 to 58). Accuracy of reduction and effectiveness of this technique were measured by assessing the Merle d’Aubigné score and Matta’s radiological grading at one year and at latest follow-up.


Aims

Ankle fracture fixation is commonly performed by junior trainees. Simulation training using cadavers may shorten the learning curve and result in a technically superior surgical performance.

Methods

We undertook a preliminary, pragmatic, single-blinded, multicentre, randomized controlled trial of cadaveric simulation versus standard training. Primary outcome was fracture reduction on postoperative radiographs.


Bone & Joint Research
Vol. 2, Issue 8 | Pages 149 - 154
1 Aug 2013
Aurégan J Coyle RM Danoff JR Burky RE Akelina Y Rosenwasser MP

Objectives. One commonly used rat fracture model for bone and mineral research is a closed mid-shaft femur fracture as described by Bonnarens in 1984. Initially, this model was believed to create very reproducible fractures. However, there have been frequent reports of comminution and varying rates of complication. Given the importance of precise anticipation of those characteristics in laboratory research, we aimed to precisely estimate the rate of comminution, its importance and its effect on the amount of soft callus created. Furthermore, we aimed to precisely report the rate of complications such as death and infection. Methods. We tested a rat model of femoral fracture on 84 rats based on Bonnarens’ original description. We used a proximal approach with trochanterotomy to insert the pin, a drop tower to create the fracture and a high-resolution fluoroscopic imager to detect the comminution. We weighed the soft callus on day seven and compared the soft callus parameters with the comminution status. Results. The mean operating time was 34.8 minutes (. sd. 9.8). The fracture was usable (transverse, mid-shaft, without significant comminution and with displacement < 1 mm) in 74 animals (88%). Of these 74 usable fractures, slight comminution was detected in 47 (63%). In 50 animals who underwent callus manipulation, slight comminution (n = 32) was statistically correlated to the amount of early callus created (r = 0.35, p = 0.015). Two complications occurred: one death and one deep infection. Conclusions. We propose an accurate description of comminution and complications in order to improve experiments on rat femur fracture model in the field of laboratory research. Cite this article: Bone Joint Res 2013;2:149–54


The Bone & Joint Journal
Vol. 97-B, Issue 5 | Pages 705 - 710
1 May 2015
Ozmeric A Yucens M Gultaç E Açar HI Aydogan NH Gül D Alemdaroglu KB

We hypothesised that the anterior and posterior walls of the body of the first sacral vertebra could be visualised with two different angles of inlet view, owing to the conical shape of the sacrum. Six dry male cadavers with complete pelvic rings and eight dry sacrums with K-wires were used to study the effect of canting (angling the C-arm) the fluoroscope towards the head in 5° increments from 10° to 55°. Fluoroscopic images were taken in each position. Anterior and posterior angles of inclination were measured between the upper sacrum and the vertical line on the lateral view. Three authors separately selected the clearest image for overlapping anterior cortices and the upper sacral canal in the cadaveric models. The dry bone and K-wire models were scored by the authors, being sure to check whether the K-wire was in or out. In the dry bone models the mean score of the relevant inlet position of the anterior or posterior inclination was 8.875 (standard deviation (. sd. ) 0.35), compared with the inlet position of the opposite inclination of –5.75 (. sd. 4.59). We found that two different inlet views should be used separately to evaluate the borders of the body of the sacrum using anterior and posterior inclination angles of the sacrum, during placement of iliosacral screws. Cite this article: Bone Joint J 2015;97-B:705–10


Bone & Joint Open
Vol. 3, Issue 2 | Pages 165 - 172
21 Feb 2022
Kuwahara Y Takegami Y Tokutake K Yamada Y Komaki K Ichikawa T Imagama S

Aims

Postoperative malalignment of the femur is one of the main complications in distal femur fractures. Few papers have investigated the impact of intraoperative malalignment on postoperative function and bone healing outcomes. The aim of this study was to investigate how intraoperative fracture malalignment affects postoperative bone healing and functional outcomes.

Methods

In total, 140 patients were retrospectively identified from data obtained from a database of hospitals participating in a trauma research group. We divided them into two groups according to coronal plane malalignment of more than 5°: 108 had satisfactory fracture alignment (< 5°, group S), and 32 had unsatisfactory alignment (> 5°, group U). Patient characteristics and injury-related factors were recorded. We compared the rates of nonunion, implant failure, and reoperation as healing outcomes and Knee Society Score (KSS) at three, six, and 12 months as functional outcomes. We also performed a sub-analysis to assess the effect of fracture malalignment by plates and nails on postoperative outcomes.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_3 | Pages 12 - 12
1 Feb 2014
Munro C Johnstone A
Full Access

This prospective Randomised Controlled Trial compared two surgical approaches with respect to accuracy of guidewire and tibial nail position. Sixty-seven patients with tibial fractures were randomised to semi-extended (SE) or standard (S) approaches of nail insertion. Fluoroscopy was performed at guidewire insertion and final nail position. The SE approach is more proximal with the guidewire inserted posterior to the patella, theoretically allowing a better angle for more accurate nail placement. Measurements were taken in the Anteroposterior and lateral planes of both the nail and guidewire to determine deviation from the optimal angle of insertion (relative to the long axes of the tibial shaft). Thirty-nine and twenty-eight patients were treated with semiextended and standard approaches respectively. The semiextended approach resulted in improved nail placement to statistical significance in both planes, with mean deviation from the optimal angle of insertion as below:. Guidewire AP 3.2° (SE) versus 4° (S) Lateral 27.1° (SE) versus 30.2° (S). Nail AP 2.4° (SE) versus 4.2° (S) Lateral 17.9° (SE) versus 21.8° (S). Poor positioning of the guidewire leads to excessive anterior placement of the nail by eccentric reaming. Anterior positioning of the guidewire and nail in the lateral plane was assessed. This was expressed as a percentage from the anterior cortex of the tibia. Guidewire: Lateral 9.7% (SE) versus 9.3% (S). Nail: Lateral 23.4% (SE) 19.3% (S) (p 0.043). Semiextended nailing allows a better angle for guidewire placement and a more optimal final nail position. This facilitates accurate nail placement particularly in difficult proximal third fractures


The Bone & Joint Journal
Vol. 95-B, Issue 6 | Pages 825 - 830
1 Jun 2013
Abram SGF Pollard TCB Andrade AJMD

The Gamma nail is frequently used in unstable peri-trochanteric hip fractures. We hypothesised that mechanical failure of the Gamma nail was associated with inadequate proximal three-point fixation. We identified a consecutive series of 299 Gamma nails implanted in 299 patients over a five-year period, 223 of whom fulfilled our inclusion criteria for investigation. The series included 61 men and 162 women with a mean age of 81 years (20 to 101). Their fractures were classified according to the Modified Evans’ classification and the quality of fracture reduction was graded. The technical adequacy of three points of proximal fixation was recorded from intra-operative fluoroscopic images, and technical inadequacy for each point was defined. All patients were followed to final follow-up and mechanical failures were identified. A multivariate statistical analysis was performed, adjusting for confounders. A total of 16 failures (7.2%) were identified. The position of the lag screw relative to the lateral cortex was the most important point of proximal fixation, and when inadequate the failure rate was 25.8% (eight of 31: odds ratio 7.5 (95% confidence interval 2.5 to 22.7), p < 0.001). Mechanical failure of the Gamma nail in peri-trochanteric femoral fractures is rare (< 1%) when three-point proximal fixation is achieved. However, when proximal fixation is inadequate, failure rates increase. The strongest predictor of failure is positioning the lateral end of the lag screw short of the lateral cortex. Adherence to simple technical points minimises the risk of fixation failure in this vulnerable patient group. Cite this article: Bone Joint J 2013;95-B:825–30


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 50 - 50
1 Apr 2013
Hak D Thornton R Dauer LT Quinn B Miodownik D
Full Access

Introduction. Radiation exposure to the eye causes cataracts. Few orthopaedists wear leaded glasses when using fluoroscopy despite regulatory limits for maximum annual eye exposure. Methods. Using anthropomorphic patient and surgeon phantoms, radiation dose at the surgeon phantom's lens was measured with and without leaded glasses during fluroscopic acquisition of 16 common pelvic and hip views. The magnitude of lens dose reduction was calculated by dividing the unprotected dose by the dose measured behind leaded glasses. Results. The unprotected lens dose varied considerably among the different views, ranging from 0 μRem for a single obturator oblique pelvic view, to 257 μRem for a single lateral sacral view with the image intensifier opposite the surgeon. On average, use of leaded glassess reduced radiation to the surgeon phantom's eye by 90%. The greatest reduction was seen with a crosstable lateral radiograph of the hip (22 μRem unprotected lens dose vs. 1 μRem with leaded glasses). Conclusions. The use of leaded glasses could permit an orthopaedist to perform up to 10 times more cases before reaching the annual limit of 20 mSv (20 mSv = 2×10. 6. mRem). A large number of images are often required during a single operative procedure and varies greatly between cases. The number of cases which a surgeon can safely perform without leaded glasses is dependent on the number and type of images, and location of the surgeon with respect to the image intensifier


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 4 - 4
1 Apr 2013
Munro C Escriba I Graf M Johnstone AJ
Full Access

This ongoing prospective RCT compares two surgical approaches with respect to accuracy of guidewire and tibial nail position. 29 patients with tibial fractures were randomised to semi-extended (SE) or standard (S) approaches of tibial nail insertion. Fluoroscopy obtained guidewire and final nail position. The SE approach is more proximal with the guidewire inserted posterior to the patella, theoretically allowing more accurate wire and nail placement. Measurements were taken in both planes of the nail and guidewire to determine deviation from optimum angle of insertion (relative to the long axes of the tibial shaft). 14 and 15 patients were treated with semi-extended and standard approaches respectively. The semi-extended approach results in better guidewire and nail placement in both planes with mean deviation from the optimal angle of insertion as below:. Guidewire AP 4.5° (SE) versus 4.04° (S) Lateral 24.59° (SE) versus 33.36° (S). Nail AP 3.21° (SE) versus 3.68° (S) Lateral 17.73° (SE) versus 24.04° (S). Anterior knee pain may be due to excessive anterior placement of the nail. We assessed anterior placement of the guidewire and nail in the lateral plane. This was expressed as a percentage from the anterior cortex of the tibia. Mean results are below:. Guidewire 9.7% (SE) versus 9.3% (S). Nail 19.5% (SE) versus 16.3% (S). Semi-extended nailing may allow for better guidewire position and as such nail placement. This may reduce anterior knee pain


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 437 - 437
1 Sep 2012
Kobbe P Hockertz I Sellei R Reilmann H Hockertz T
Full Access

Sacroiliac screw fixation is the method of choice for the definitive treatment of unstable posterior pelvic ring injuries; however this technique is demanding and associated with a high risk of iatrogenic neurovascular damage. We therefore evaluated the outcome, complications, surgical and fluoroscopy time for unstable posterior pelvic ring injuries managed with a transiliac locked compression plate. 23 patients were managed with a transiliac locked compression plate for unstable posterior pelvic injuries at a Level I Trauma Center. 21 patients were available for follow up after an average of 30 months and outcome evaluation was performed with the Pelvic Outcome Score, which is composed of a clinical, radiological, and social integration part. The overall outcome for the pelvic outcome score was excellent in 47.6% (10 patients), good in 19% (4 patients), fair in 28.6% (6 patients) and poor in 4.8% (1 patient). 15 out of 21 patients (71.4%) returned to their normal life, 3 patients (14.3%) were limited at work, and 3 patients (14.3%) were not able to return to work due to their disabilities. The social status was unchanged to the preinjury status in 19 patients (90.5%). 13 patients (62%) stated no changes in spare time and sports activities; 4 patients (19%) had minor and another 4 patients (19%) had major restrictions. The average operation time was 101 min and intraoperative fluoroscopic time averaged 74.2 sec. No iatrogenic neurovascular injuries were observed. Posterior percutaneous plate osteosynthesis may be a good alternative to sacral screw fixation because it is quick, safe, and associated with a good functional outcome


The Journal of Bone & Joint Surgery British Volume
Vol. 80-B, Issue 4 | Pages 673 - 678
1 Jul 1998
Yang KH Han DY Park HW Kang HJ Park JH

We report retrospective and prospective studies to identify the causes of fracture of the femoral neck associated with femoral shaft nailing on the same side. Of a total of 14 neck fractures in a series of 152 shaft nailings, eight were not visible on the initial pelvic radiographs. We used CT scans before and after operation, and fluoroscopy during the procedure in our prospective series, and reviewed abdominal CT scans retrospectively with the window set to bone level. Six of the eight undisplaced fractures were shown to have been present before operation, but two were iatrogenic. We recommend the preoperative use of CT scans of the femoral neck in high-risk patients such as those with associated fractures of the acetabulum, the distal femur or the patella. Early diagnosis will allow better general management and early fixation of the neck fracture


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 422 - 422
1 Sep 2012
Weston-Simons J Pandit H Kendrick B Beard D Gibbons M Jackson W Gill H Price A Dodd C Murray D
Full Access

Introduction. The options for the treatment of the young active patient with unicompartmental symptomatic osteoarthritis and pre-existing Anterior Cruciate Ligament (ACL) deficiency are limited. Patients with ACL deficiency and end-stage medial compartment osteoarthritis are usually young and active. The Oxford Unicompartmental Knee Replacement (UKA) is a well established treatment option in the management of symptomatic end-stage medial compartmental osteoarthritis, but a functionally intact ACL is a pre-requisite for its satisfactory outcome. If absent, high failure rates have been reported, primarily due to tibial loosening. Previously, we have reported results on a consecutive series of 15 such patients in whom the ACL was reconstructed and patients underwent a staged or simultaneous UKA. The aim of the current study is to provide an update on the clinical and radiological outcomes of a large, consecutive cohort of patients with ACL reconstruction and UKA for the treatment of end-stage medial compartment osteoarthritis and to evaluate, particularly, the outcome of those patients under 50. Methods. This study presents a consecutive series of 52 patients with ACL reconstruction and Oxford UKA performed over the past 10 years (mean follow-up 3.4 years). The mean age was 51 years (range: 36–67). Procedures were either carried out as Simultaneous (n=34) or Staged (n=18). Changes in clinical outcomes were measured using the Oxford Knee Score (OKS), the change in OKS (OKS=Post-op − Pre-op) and the American Knee Society Score (AKSS). Fluoroscopy assisted radiographs were taken at each review to assess for evidence of loosening, radiolucency progression, (if present), and component subsidence. Results. Five year survival was 90%. At last follow-up, the mean outcome scores for the group were: OKS 40 (SD: 8.3), objective AKSS 77 (SD: 16.1), functional AKSS 93 (SD: 13.7) and OKS of 11. Complications were recorded in three patients, (one early infection requiring a two-stage revision, a bearing dislocation and progression of OA in the lateral compartment). 25 patients, whose procedure occurred under the age of 50, had mean outcome scores of: OKS 38 (SD: 7.7), objective AKSS 73 (SD: 20.2), functional AKSS 93 (SD: 11.9) and OKS 12. No patients had radiological evidence of component loosening. Discussion and Conclusion. This study has demonstrated that combined ACL reconstruction and Oxford UKA provide good medium-term clinical and radiological results. The mobile bearing used in the Oxford knee minimises wear and our radiographic study has seen no suggestions of loosening


The Journal of Bone & Joint Surgery British Volume
Vol. 79-B, Issue 6 | Pages 975 - 978
1 Nov 1997
Bar-On E Sagiv S Porat S

We report the outcome of 19 children aged 5.2 to 13.2 years with 20 fractures of the femoral shaft requiring surgery, who were randomly assigned to have external fixation (EF) or flexible intramedullary nailing (FIN) (10 fractures each). The duration of the operation averaged 56 minutes for the EF group with 1.4 minutes of fluoroscopy, compared with 74 minutes and 2.6 minutes, respectively, for the FIN group. The early postoperative course was similar, but the EF group showed much more callus formation. The time to full weight-bearing, full range of movement and return to school were all shorter in the FIN group. The FIN complications included one transitory foot drop and two cases of bursitis at an insertion site. In the EF group there was one refracture, one rotatory malunion requiring remanipulation and two pin-track infections. At an average follow-up of 14 months two patients in the EF group had mild pain, four had quadriceps wasting, one had leg-length discrepancy of over 1 cm, four had malalignment of over 5°, and one had limited hip rotation. In the FIN group, one patient had mild pain and one had quadriceps wasting; there were no length discrepancies, malalignment or limitation of movement. Parents of the FIN group were more satisfied. We recommend the use of flexible intramedullary nailing for fractures of the femoral shaft which require surgery, and reserve external fixation for open or severely comminuted fractures


The Bone & Joint Journal
Vol. 102-B, Issue 9 | Pages 1229 - 1241
14 Sep 2020
Blom RP Hayat B Al-Dirini RMA Sierevelt I Kerkhoffs GMMJ Goslings JC Jaarsma RL Doornberg JN

Aims

The primary aim of this study was to address the hypothesis that fracture morphology might be more important than posterior malleolar fragment size in rotational type posterior malleolar ankle fractures (PMAFs). The secondary aim was to identify clinically important predictors of outcome for each respective PMAF-type, to challenge the current dogma that surgical decision-making should be based on fragment size.

Methods

This observational prospective cohort study included 70 patients with operatively treated rotational type PMAFs, respectively: 23 Haraguchi Type I (large posterolateral-oblique), 22 Type II (two-part posterolateral and posteromedial), and 25 (avulsion-) Type III. There was no standardized protocol on how to address the PMAFs and CT-imaging was used to classify fracture morphology and quality of postoperative syndesmotic reduction. Quantitative 3D-CT (Q3DCT) was used to assess the quality of fracture reduction, respectively: the proportion of articular involvement; residual intra-articular: gap, step-off, and 3D-displacement; and residual gap and step-off at the fibular notch. These predictors were correlated with the Foot and Ankle Outcome Score (FAOS) at two-years follow-up.


The Bone & Joint Journal
Vol. 102-B, Issue 7 | Pages 918 - 924
1 Jul 2020
Rosslenbroich SB Heimann K Katthagen JC Koesters C Riesenbeck O Petersen W Raschke MJ Schliemann B

Aims

There is a lack of long-term data for minimally invasive acromioclavicular (AC) joint repair. Furthermore, it is not clear if good early clinical results can be maintained over time. The purpose of this study was to report long-term results of minimally invasive AC joint reconstruction (MINAR) and compare it to corresponding short-term data.

Methods

We assessed patients with a follow-up of at least five years after minimally invasive flip-button repair for high-grade AC joint dislocation. The clinical outcome was evaluated using the Constant score and a questionnaire. Ultrasound determined the coracoclavicular (CC) distance. Results of the current follow-up were compared to the short-term results of the same cohort.


The Bone & Joint Journal
Vol. 100-B, Issue 12 | Pages 1618 - 1625
1 Dec 2018
Gill JR Kiliyanpilakkill B Parker MJ

Aims

This study describes and compares the operative management and outcomes in a consecutive case series of patients with dislocated hemiarthroplasties of the hip, and compares outcomes with those of patients not sustaining a dislocation.

Patients and Methods

Of 3326 consecutive patients treated with hemiarthroplasty for fractured neck of femur, 46 (1.4%) sustained dislocations. Of the 46 dislocations, there were 37 female patients (80.4%) and nine male patients (19.6%) with a mean age of 83.8 years (66 to 100). Operative intervention for each, and subsequent dislocations, were recorded. The following outcome measures were recorded: dislocation; mortality up to one-year post-injury; additional surgery; residential status; mobility; and pain score at one year.