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Randomised controlled trials (RCT) published in the British volume of the JBJS from United Kingdom based institutes have been analysed to review the level of involvement of junior doctors over the past 25 years (1988 to 2012) which included three different training eras: Pre-Calman (1988 to 1995), Calman (1996 to 2006), and MMC (2007 to 2012). Authors were divided into: Senior doctors, Registrars, Fellows, Senior House Officers/ Foundation Doctors, and Others. The level of involvement has been identified as being first author, senior author or co-author.

One hundred and fifty nine RCTs have been identified with a total of 705 authors. Eighty eight registrars, 32 fellows and 19 SHO/ Foundation doctors have been involved in RCT published over the last 25 years (19.7%). Registrars constituted 15% of all authors in the pre-Calman, 12% in the Calman and 11% in the MMC periods. They constituted 33% of all first authors in the pre-Calman, 21% in the Calman, and 12% in the MMC periods. With regards to SHO/ Foundation doctors, they were only 2% of all authors in the pre-Calman, 3% in the Calman, and 4% in the MMC periods. They were not the first author in any RCT in the pre-Calman period, rising to 7% in both the Calman and MMC periods.

Our study shows that registrars involvement was at its highest in the pre-Calman era with gradual decline in their involvement in the subsequent training eras. SHO/Foundation doctors involvement remains very low, however showing increasing rate in the MMC era.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 9 - 9
1 Feb 2020
Vendittoli P Lavigne M Pellei K Desmeules F Masse V Fortier L
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INTRODUCTION. In recent years, there has been a shift toward outpatient and short-stay protocols for patients undergoing total hip arthroplasty (THA) and total knee arthroplasty (TKA). We developed a peri-operative THA and TKA short stay protocol following the Enhance Recovery After Surgery principles (ERAS), aiming at both optimizing patients’ outcomes and reducing the hospital length of stay. The objective of this study was to evaluate the implementation of our ERAS short-stay protocol. We hypothesized that our ERAS THA and TKA short-stay protocol would result in a lower complication rate, shorter hospital length of stay and reduced direct health care costs compared to our standard procedure. METHODS. We compared the complications rated according to Clavien-Dindo scale, hospital length of stay and costs of the episode of care between a prospective cohort of 120 ERAS short-stay THA or TKA and a matched historical control group of 150 THA or TKA. RESULTS. Significantly lower rate of Grade 1 and 2 complications in the ERAS short-stay group compared with the standard group (mean 0.8 vs 3.0, p<0.001). Postoperative complications that were experienced by significantly more patients in the control group included pain (67% vs 13%, p<0.001), nausea (42% vs 12%, p<0.001), vomiting (25% vs 0.9%, p<0.001), dizziness (15% vs 4%, p=0.006), headache (4% vs 0%, p=0.04), constipation (8% vs 0%, p=0.002), hypotension (26% vs 11%, p=0.003), anemia (8% vs 0%, p=0.002), oedema of the operated leg (9% vs 1%, p=0.005), persistent lameness (4% vs 0%, p=0.04), urinary retention (13% vs 4%, p=0.006) and anemia requiring blood or iron transfusion (8% vs 0%, p=0.002). No difference was found between the 2 groups for Grade 3, 4, or 5 complications. The mean hospital length of stay for the ERAS short-stay group decreased by 2.8 days for the THAs (0.1 vs 2.9 days, p bellow 0.001) and 3.9 days for the TKAs (1.0 vs 4.9 days, p<0.001). The mean estimated direct health care costs reduction with the ERAS short-stay protocol was 1489% per THA and 4206% per TKA. DISCUSSION AND CONCLUSION. Shorter hospitalization time after THA and TKA is associated with lower risk of nosocomial infections and adverse events related to reduced mobilization such as venous thromboembolism, pulmonary atelectasis, and constipation. In addition, it increases bed availability in a restricted environment and is very favorable economically for the care provider. Multiple strategies have been described to reduce hospital length of stay. One attractive option is to follow the ERAS principles to improve patient experience to a level where they will feel confident to leave for home earlier. Implementation of a ERAS short-stay protocol for patients undergoing THA or TKA at our institution resulted not only in reduced hospital length of stay, but also in improved patient care and reduced direct health care costs


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 140 - 140
1 Feb 2020
Fassihi S Kraekel SM Soderquist MC Unger A
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Introduction. Enhanced Recovery After Surgery (ERAS) is a multi-disciplinary approach for establishing procedure–specific, evidence-based perioperative protocols to optimize patient outcomes. ERAS evidence is predominantly for non-orthopaedic procedures. We review the impact of ERAS protocol implementation on total joint arthroplasty (TJA) outcomes at our institution. Methods. All primary total hip and knee arthroplasties performed one year before and after ERAS implementation were identified by current procedural terminology code. Length of stay (LOS), disposition, readmission and opioid usage were analyzed before and after ERAS implementation and statistically analyzed with student t-test and chi-square test. Results. 2105 total patients were identified (967 THA, 494 pre-ERAS and 473 post-ERAS;1138 TKA, 575 pre-ERAS and 563 post-ERAS). TKA. After ERAS implementation, opioid consumption decreased for hospital day one (45.5MME to 36.2MME; p=0.000) and overall hospitalization (101.9MME to 83.9MME; p =0.000). Average LOS decreased (73.28hrs to 66.44hrs; p=0.000), blood transfusion rate trended down (3.3% to 1.95%; p=0.155), and disposition to home over skilled nursing facility increased (57.8% to 71.6%; p=0.000). Unplanned return-to-hospital encounters were unchanged (13.22% to 12.79%; p=0.8504). 30-day and 90-day readmission rates decreased (7.30% to 3.02%; p=0.0020 and 8.5% to 4.8%; p=0.0185, respectively). THA. After ERAS implementation, opioid consumption decreased for hospital day one (49.5MME to 35.4MME; p=0.000) and overall hospitalization (79.5MME to 59.5MME; p=0.000). Average LOS decreased (57.84hrs to 51.87hrs; p=0.011), blood transfusion rate was unchanged (4.25% to 3.81%; p=0.725), and disposition to home over skilled nursing facility increased (80.4% to 82.5%; p= 0.022). Unplanned return-to-hospital encounters were unchanged (8.51% to 8.88%; p=0.8486). Readmission trended up during postoperative days 0–30 and trended down during postoperative days 31–90. (1.42% to 2.96%; p=0.1074) and (1.21% to 0.85%; p=0.5748), respectively. Conclusion. ERAS protocols reduce postoperative opioid consumption, decrease hospital LOS, and increase patient disposition to home without adversely affecting short-term readmission rates


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_13 | Pages 40 - 40
1 Dec 2022
Dandurand C Mashayekhi M McIntosh G Street J Fisher C Jacobs B Johnson MG Paquet J Wilson J Hall H Bailey C Christie S Nataraj A Manson N Phan P Rampersaud RY Thomas K Dea N Soroceanu A Marion T Kelly A Santaguida C Finkelstein J Charest-Morin R
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Prolonged length of stay (LOS) is a significant contributor to the variation in surgical health care costs and resource utilization after elective spine surgery. The primary goal of this study was to identify patient, surgical and institutional variables that influence LOS. The secondary objective is to examine variability in institutional practices among participating centers. This is a retrospective study of a prospectively multicentric followed cohort of patients enrolled in the CSORN between January 2015 and October 2020. A logistic regression model and bootstrapping method was used. A survey was sent to participating centers to assessed institutional level interventions in place to decrease LOS. Centers with LOS shorter than the median were compared to centers with LOS longer than the median. A total of 3734 patients were included (979 discectomies, 1102 laminectomies, 1653 fusions). The median LOS for discectomy, laminectomy and fusion were respectively 0.0 day (IQR 1.0), 1.0 day (IQR 2.0) and 4.0 days (IQR 2.0). Laminectomy group had the largest variability (SD=4.4, Range 0-133 days). For discectomy, predictors of LOS longer than 0 days were having less leg pain, higher ODI, symptoms duration over 2 years, open procedure, and AE (p< 0.05). Predictors of longer LOS than median of 1 day for laminectomy were increasing age, living alone, higher ODI, open procedures, longer operative time, and AEs (p< 0.05). For posterior instrumented fusion, predictors of longer LOS than median of 4 days were older age, living alone, more comorbidities, less back pain, higher ODI, using narcotics, longer operative time, open procedures, and AEs (p< 0.05). Ten centers (53%) had either ERAS or a standardized protocol aimed at reducing LOS. In this study stratifying individual patient and institutional level factors across Canada, several independent predictors were identified to enhance the understanding of LOS variability in common elective lumbar spine surgery. The current study provides an updated detailed analysis of the ongoing Canadian efforts in the implementation of multimodal ERAS care pathways. Future studies should explore multivariate analysis in institutional factors and the influence of preoperative patient education on LOS


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_20 | Pages 60 - 60
1 Nov 2016
Woolfrey M Abuzaiter W Bolton C Weeratunga D Cartedge S
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Enhanced Recovery After Surgery (ERAS) is a multimodal perioperative care pathway designed to achieve early recovery for patients undergoing major surgery. ERAS allows for the incorporation of evidence based practices and incorporated a comprehensive assessment of the patient's journey through the surgical process from pre-operative screening through to post-operative care. The purpose of this study was to determine if optimisation of ERAS protocol with pre-operative screening and incorporating patient-specific factors into their post operative care would improve length of stay (LOS) and readmission rates following total joint arthroplasty (TJA) in a Canadian community hospital setting. The study collected clinical, demographic data and the physical status perioperative using the American Society of Anaesthesiologists (ASA) classification on 508 patients who underwent TJA between January and August 2015 and compared similar data from the same time frame in the previous calendar year prior to implementation of the pathway. Cohorts were analysed for length of stay (LOS), readmission rates, Pre-operative assessments (completed by anaesthesia, nursing and pharmacy), relevant labs, patient history (surgery, medical, social), and patient values were all considered when developing a specific patient plan for care post-operatively. A post-operative management tool was used to optimise pain control, post-operative nausea and vomiting, bowel management, diabetes blood glucose control, venous thromboembolism prophylaxis, as well as monitoring parameters specific to patient medical history (e.g. respiratory, cardiac). While in hospital, physiotherapy and nursing were consulted by the pharmacist to assess whether patient's post op management needed to be altered to optimise mobilisation and recovery in hospital. The average patient's LOS and readmission rates in 30 days was analysed to assess the change after implementation of the post-operative management tool based on patient specific factors. A total of 508 patients (mean age: 66 years), ASA classification was 3 or greater for 430 patients. The patients were assessed for LOS, readmission rates in 30 days. The mean LOS decreased from 3.6 to 3.3 days after optimisation of the ERAS protocol (student t test p=0.021). The 30-day readmission rate decreased from 2.9% to 1.4% post intervention (z test p=0.087) when compared to the same time period in the previous calendar year prior to protocol implementation. Overall, the cost savings to optimising the ERAS protocol for the hospital is substantial; with approximately $238 saved per patient. Pre-operative screening and incorporating patient-specific factors into an individualised care plan to optimise the ERAS protocol for TJA reduced mean length of stay without a concomitant increase in readmission rates with significant cost saving


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_9 | Pages 12 - 12
1 Jun 2021
Hardy A Courgeon M Pellei K Desmeules F Loubert C Vendittoli P
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INTRODUCTION. The benefits of combining enhanced recovery after surgery (ERAS) interventions with an outpatient THA/TKA program are uncertain. The primary objective was to compare adverse event rate and secondly to compare pain management, functional recovery, PROMs and patients' satisfaction. METHODS. We conducted an ambidirectional single subject cohort study on 48 consecutive patients who experienced both a standard-inpatient and an ERAS-outpatient THA/TKA (contralaterally). We compared complications according to Clavien-Dindo scale and Comprehensive Complications Index (CCI), and unplanned episodes of care. Postoperative pain assessed with a numeric rating scale, opioid consumption in morphine milligram equivalents, functional recovery, patient-reported outcome measures (WOMAC, KOOS, HOOS, Forgotten Joint Score and Patient Joint Perception) and patients' satisfaction were also evaluated. RESULTS. Following the ERAS-outpatient surgery, complication rates were reduced by more than 50% (2.1 vs 4.4, p<0.001), CCI was significantly lower (12.3 vs 19.1, p<0.001), and similar unplanned episodes of care were observed (p>0.999). In the first 8 postoperative hours, perceived pain was similar (p>0.805) while opioid consumption was significantly reduced with ERAS-outpatient care (9.3 vs 26.5 MME, p<0.001). Patients walked, climbed stairs, showered, performed activities of daily living, practised sports, went back to work sooner after ERAS-outpatient surgery (p<0.001), but PROMs were similar between groups at the last follow-up (p> 0.188). Patients were more satisfied with hospital stay, pain management, functional recovery, wound management, and overall experience of the ERAS-outpatient pathway and recommended it significantly more (p <0.002). DISCUSSION. Most studies comparing outpatient to inpatient programs conclude that outpatient surgeries did not increase complication or readmission rates, and, overall, were not inferior. We found that compared to std-inpatient practice, ERAS-outpatient program reduced complications by half while not resulting in more unplanned episodes of care. Moreover, it resulted in similar pain relief with fewer opioids, faster early functional recovery and higher satisfaction. Patients were significantly more inclined to recommend the ERAS-outpatient pathway after having personally experienced both outpatient and inpatient protocols. These finding are likely multifactorial and linked to the specific ERAS interventions. CONCLUSION. Results of this study highlight the importance of following ERAS principles when implementing an outpatient THA/TKA program


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 63 - 63
1 Feb 2020
Garcia-Rey E Cimbrelo EG
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Introduction. Total hip arthroplasty (THA) dislocation has been associated with different risk factors. The main difficulty in analysing dislocation is its low rate of incidence, necessitating large series for study. We assessed factors related with patients, implant characteristics, and quality of the hip reconstruction to better identify their influence on the THA dislocation rate. Material and Methods. Dislocations in 2,732 THAs performed between 2001 and 2016 were assessed with regard to factors related with the patient (gender, age, preoperative diagnosis, lumbar pathology); the implant (femoral head size, bearing surface, stem offset, femoral head/neck ratio); and the surgical technique (approach, cup and stem position, and abductor mechanism reconstruction). Regression analysis was used for different risk factors and Kaplan-Meier for survival analysis. Results. After ERAS implementation, opioid consumption decreased for hospital day one (49.5MME to 35.4MME; p=0.000) and overall hospitalization (79.5MME to 59.5MME; p=0.000). Average LOS decreased (57.84hrs to 51.87hrs; p=0.011), blood transfusion rate was unchanged (4.25% to 3.81%; p=0.725), and disposition to home over skilled nursing facility increased (80.4% to 82.5%; p= 0.022). Unplanned return-to-hospital encounters were unchanged (8.51% to 8.88%; p=0.8486). Readmission trended up during postoperative days 0–30 and trended down during postoperative days 31–90. (1.42% to 2.96%; p=0.1074) and (1.21% to 0.85%; p=0.5748), respectively. There were 92 dislocations (3.4%), of these, 62 were treated conservatively (2.3%) and 30 surgically (1.1%). Survivorship analysis for dislocation was 96.0% (95% CI:95.0–97.0) at 17 years. Among patient-related factors, greater age (p=0.001), lower activity level (p=0.001) and lumbar fusion (p<0.001) were associated with a higher dislocation rate. Among implant-related factors, a ceramic-on-ceramic THA (p<0.001) and a femoral size of 32 or 36 mm in diameter had lower dislocation rates. With regards to surgical technique, a greater acetabular abduction angle (p=0.001) and a greater distance to the hip anatomic center (p=0.006) had higher dislocation rates. A cup position outside Lewinnek´s safe zone (p<0.001) and the abductor mechanism window (p<0.001) also had a higher dislocation rate. Multivariate analysis revealed that only significant lumbar pathology (p=0.001) and lumbar fusion (p<0.001) were significant dislocation-related factors among patient-related factors. Poor reconstruction of the hip rotation (p=0.035), a cup position outside of Lewinnek's safe zone (p<0.001) and the abductor mechanism window (p<0.001) were significantly associated with a higher dislocation risk among surgical technique-associated factors. Conclusions. Significant lumbar spine pathology increases the rate of dislocation. A proper reconstruction of the hip, including appropriate cup position and rotation centre reconstruction of the hip are essential to decrease the risk of dislocation after primary THA. The weakness of the abductor muscles is also an important cause for dislocation