Abstract

Abstract

Background of study

There has been an exponential increase in the use of direct thrombin (DT) and factor Xa inhibitors (FXI) in patients with cardiovascular problems. Premature cessation of DT/FXI in patients with cardiac conditions can increase the risk of coronary events. Our aim was to ascertain whether it is necessary to stop DT and FXI preoperatively to avoid postoperative complications following hip fracture surgery.

Surgical training has been greatly affected by the challenges of reduced training opportunities, shortened working hours, and financial pressures. There is an increased need for the use of training system in developing psychomotor skills of the surgical trainee for fracture fixation. The training system was developed to simulate dynamic hip screw fixation. 12 orthopaedic senior house officers performed dynamic hip screw fixation before and after the training on training system. The results were assessed based on the scoring system that included the amount of time taken, accuracy of guide wire placement and the number of exposures requested to complete the procedure. The result shows a significant improvement in amount of time taken, accuracy of fixation and the number of exposures after the training on simulator system. This was statistically significant using paired student t-test (p-value <0.05).

Computer navigated training system appears to be a good training tool for young orthopaedic trainees The system has the potential to be used in various other orthopaedic procedures for learning of technical skills aimed at ensuring a smooth escalation in task complexity leading to the better performance of procedures in the operating theatre.

Background

There are no published studies investigating predictive values of psychological distress on effectiveness of epidural injection.

Introduction

Clavicle fractures can cause pain and functional impairment if not managed appropriately. This paper evaluates the prevalence of clavicular fractures, estimates number of cases requiring operative treatment, whether removal of implant is a frequent necessity and compares the final functional outcome of the operative and non-operative group.

Background

Complex tibial fractures are difficult to treat. The costs associated with hospitalization can be substantial, yet it is unknown how these vary depending upon the type of implant used. There have been multiple studies on economics of tibial fractures but none of these studies actually focussed on costing of illizarov and taylor spatial frames. We discuss the cost analysis of 200 tibial fractures treated with illizarov or taylor spatial frames. The purpose of this study was to compare the cost of treatment of complex tibial fractures with reimbursement given to the hospital in treating such injuries.

The present study was conducted to evaluate the cost of physiotherapy both for inpatient and outpatient services. Significant physiotherapy resources are required to rehabilitate patients with an Ilizarov or Taylor Spatial Frame (TSF). Within Hull and East Yorkshire Hospitals NHS Trust Physiotherapy department the average number of outpatient treatment sessions per routine patient is 6. In comparison, the average number of treatment sessions required for a patient with an ilizarov (or TSF) is 24 for a trauma patient and 33 for a patient undergoing an elective procedure.

Seventy three (73) patients received physiotherapy treatment with an Ilizarov frame or a Taylor spatial frame between April 2008 and April 2010. Physiotherapy input was recorded (in minutes) for the patients identified. This included treatment received as an inpatient as well as an outpatient (if the patient received their treatment within Hull and East Yorkshire NHS trust).

Data collection was divided into either trauma or elective procedure for analytical purposes. The average cost of physiotherapy treatment to Hull and East Yorkshire Hospitals NHS Trust for an inpatient with an ilizarov frame is £121.82 per case (trauma) and £133.15 per case (elective).

The average cost of physiotherapy treatment to Hull and East Yorkshire Hospitals NHS Trust for an outpatient for a trauma case was calculated as £404.65 and £521.41for an average elective case. This is in comparison to a routine patient costing the service £60.29 (when treated by a Band 7 physiotherapist). The present study gives valuable data for future business planning and assistance with the setting of local or national tariffs for the treatment of this patient group.

Introduction

Clavicle fractures accounting for 3–5% of all adult fractures are usually treated non-operatively. There is an increasing trend towards their surgical fixation.

Introduction

Premature cessation of clopidogrel in certain patients with cardiac conditions is associated with an increased risk of recurrent coronary events. Such patients often present with proximal femoral fractures requiring surgical intervention. Our aim was to ascertain whether it is necessary to stop clopidogrel preoperatively to avoid postoperative complications following hip hemiarthroplasty surgery.

Introduction

The policy of treating open fractures within 6 hrs can result in complex operations being performed under sub optimal conditions. The purpose of this study was to determine the association between time to initial debridement and rate of infection in high energy (Grade III) open fractures of Tibia.

With the ever increasing rate of total hip replacement and life span of these patients, there has been an upward trend towards the incidence of peri-prosthetic fractures. Previous studies does suggest the implant cost to as high as 30% of the total reimbursement in primary hip arthroplasty but this figure is much higher in periprosthetic fractures where long stem revisions are commonly used

A prospective comparative study analyzing the total cost of hospital stay for a cohort of 52 consecutive patients with peri-prosthetic fractures of long bones treated in two hospitals from October 2007 to march 2009 was conducted. Demographic data, fracture classification and method of surgical treatment along with the length of hospital stay were recorded in detail. The total cost calculated was then compared to the range of reimbursement price based on HRG (human Resource Group) coding. The implant cost was determined from the buying cost by each institution.

52 patients were available for review. Average age of the patients operated was 78.5 years. 69 percent of the peri-prosthetic fractures in our series were around the proximal femur. The average cost of stay was £ 16453 (£ 1425- 26345). The reimbursement to the hospital ranged from £ 1983 to £ 8735.

Hospital source utilization for peri prosthetic fractures is quite high compared to the reimbursement being given to hospitals for treating such patients. This can be as low as £ 1500 as acute phase tariff to £ 9100 for elective revisions and the implant cost can vary from 50% to 200% of the total reimbursement cost. Current recording system for peri-prosthetic fracture is unclear resulting in discrepancy between resource utilization and reimbursement thus resulting in substantial financial losses for hospitals that perform these procedures.

It is generally accepted that urgent debridement and fixation of open tibial fractures minimizes the risk of infection. Traditionally surgeons follow the unwritten six hour rule. The purpose of this study was to determine the association between time to definite surgical management and rates of infection in open fractures of the tibia.

One hundred and twenty-seven patients with one hundred and twenty-eight open tibia fractures were retrospectively reviewed. Of these ninety patients with ninety-one one fractures were available for this study. All patients were followed up to clinical and radiological fracture union or until a definitive procedure for infection or non-union had been carried out.

The time from injury to surgery ranged from 2 hours 35 minutes to 12 hours with an average time of 5 hours 40 minutes. There were 24 Gustillo type I fractures (26.37%), 11 type II fractures (12.08%), 23 type IIIA fractures (25.27%) and 33 type IIIB fractures (36.26%). 5 patients (5.49%) in this study went onto develop a deep infection and there were 4(4.39%) non-unions. No infection occurred when the surgery was done within 2 hours. All the 5 infections in this study occurred in patients operated between 3 to 8 hours of the injury and were all in Gustillo Grade III fractures. The average time to treatment was not significantly different between the infected versus non infected group across all fracture types. There was no increase in infection rate in those treated after 6 hours compared to those treated within 6 hours.

The risk of developing an infection was not increased if the primary surgical management was delayed more than 6 hours after injury provided intravenous antibiotics were administered on presentation to the emergency department. The Gustillo grading of open fractures is a more accurate prognostic indicator for developing an infection.

The aim of this study was to evaluate the cost of implants used in a large series of peri-prosthetic femoral fractures and assess its financial impact in the era of Payment by Results

We evaluated the clinical demographic and economical data associated with 202 patients with peri-prosthetic fractures of the proximal femur in two orthopaedic centers of excellence. All fractures were classified preoperatively according to the Vancouver classification. The patients were followed up until radiographic confirmation of fracture union and post-operative outcome was recorded with reference to the patients’ mobility and any complications.

The mean age of the patients operated was 81.2 years (range 33–100 years). 55% of the patients in our series were graded type B3 and 25% type B2. 80% of all fractures underwent revision. 71 percent of the fractures united within 8.4 months. 112 patients had impaction femoral grafting. Our implant cost alone for revision varied from 1900 pounds to as high as 3500 pounds without taking in to account the cost of cement and allograft (femoral heads and struts).

Hospital resource utilization for peri-prosthetic fractures is quite high compared to the reimbursement received. This is due to hospital stay and rehabilitation needs, theatre utilization, implant cost and higher readmission rates. There are neither reference costs available nor any special tariffs for these complex fractures. The reimbursement for internal fixation of these fractures could range from £2336 to £4230 and for emergency revision hip replacement is £5928. More than 50% of the reimbursement money would just be necessary to meet the implant costs. For uncemented revisions this equation is even worse. Current HRG codes for the treatment of peri-prosthetic fractures are unrealistic and new treatment algorithms and special tariffs have to be introduced to help manage these fractures.

Introduction: It is generally accepted that urgent debride-ment and fixation minimizes the risk of infection. Traditionally surgeons follow the unwritten six hour rule. The purpose of this study was to determine the association between time to definite surgical management and rates of infection in open fractures of the tibia.

Methods: One hundred and twenty-seven patients with one hundred and twenty-eight open tibia fractures were retrospectively reviewed. Of these sixty patients with sixty fractures were available for this study. All patients were followed up to clinical and radiological fracture union or until a definitive procedure for infection or non-union had been carried out.

Results: The time from injury to surgery ranged from 2 hours 35 minutes to 12 hours with an average time of 5 hours 40 minutes. There were 23 type IIIA fractures (38%) and 37 type IIIB fractures (62%). 5 patients (5.49%) in this study went onto develop a deep infection and there were 4(4.39%) non-unions. No infection occurred when the surgery was done within 2 hours. All the 5 infections in this study occurred in patients operated between 3 to 8 hours of the injury. The average time to treatment was not significantly different between the infected versus non infected group across all fracture types. There was no increase in infection rate in those treated after 6 hours compared to those treated within 6 hours.

Conclusions: The risk of developing an infection was not increased if the primary surgical management was delayed more than 6 hours after injury provided intravenous antibiotics were administered on presentation to the emergency department. The Gustillo grading of open fractures is a more accurate prognostic indicator for developing an infection.

Introduction: Surgical training is being greatly affected by the challenges of reduced training opportunities, shortened working hours, and financial pressures. There is thus an increased need for training systems to aid development of psychomotor skills of the surgical trainee. Furthermore, simulation environments can provide a friendlier and less hazardous environment for learning surgical skills. Such simulations may be used to augment training in the operating room (OR) so that trainees acquire key skills in a non-threatening and unhurried environment.

Trajectory planning and implementation forms a substantial part of current and future orthopaedic practice. This type of surgery is governed by a basic orthopaedic principle where the placement of a surgical tool at a specific site within a region via a trajectory that is planned from X-ray based 2D images and is governed by 3D anatomical constraints. The accuracy and safety of procedures utilising the basic orthopaedic principle depends on the surgeon’s judgement, experience, ability to integrate images, utilisation of intra-operative X-ray, knowledge of anatomical-biomechanical constraints and eye hand dexterity.

With the decrease in training opportunities in OR for the surgical trainee, these skills are developing at a much later stage in training. Several studies have shown a reduction in the number of operations undertaken and a reduction in the level of competence achieved by surgical trainees.

Purpose of the study: This study develops our existing surgical CAOSS (Computer Assisted Orthopaedic Surgical System) [4, 5] for fracture fixation into a training tool for skill acquisition of the basic orthopaedic principle, namely, 3D navigation using 2D X-ray images.

Material and Methods: Orthopaedic trainees who are presently working in Hull and East Yorkshire NHS Trust are recruited in this study.

The study is divided into two parts. The initial part of the study involves the use of the conventional CAOSS to train the orthopaedic trainees with no prior exposure of distal locking of femoral nails and the dynamic hip screw. The second part of the study involves the use of modified CAOSS to assess whether the initial training has helped in developing mental navigation skills of using a 2-D image and navigating the drill bit in 3-D space.

The scoring system is based on a combination of parameters which include the time taken for centring of the interlocking screw, total exposures taken and the improvement in the position of the tip of the drill bit with each exposure.

Results: The presentation will discuss the theories, methodology and scoring criteria to produce a training tool for training of the basic orthopaedic principle and how the training tool was validated.

Discussion: The ability to quantify precisely three-dimensional navigation and processing of virtual information to help in hand eye co-ordination has not previously been used as a formal orthopaedic training tool. Clearly the assessment of such skills demands a scoring system that is both reproducible as well as being able to validate it that it predicts skill acquisition correctly. Currently, there is no known scoring system which can accurately assess the ability to navigate instruments in 3-D space using a C-arm image. We therefore propose that using CAOSS as a training tool for the surgical trainees in a relaxing less hurried environment is beneficial to training and we also propose for this tool a reproducible scoring system.

Unilateral musculoskeletal below knee injuries occur with great frequency. Patients who cannot bear weight on an injured limb usually mobilise with standard crutches. However when the patient also has an upper limb injury, mobilisation may be impossible and can result in a lengthy in-patient stay. We present its value in facilitating early discharge in patients with both upper and lower limb injuries. We show the cost benefit of the saving in in-patient stay that the hands free crutch provides. We present our experience in which this innovative crutch was used and discuss the potential of this device to be used more often in orthopaedic surgery.