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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 36 - 36
1 Sep 2014
Dower B Mac Intyre K Grobler G Nortje M
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Background. Rapid mobilisation programs, or “fast track” protocols, are aimed at shorter hospital stays. We found a limited local experience with these programs in total hip arthroplasty in South Africa, and decided to introduce a pilot study at our institution. Purpose. This pilot study is aimed at the feasibility and safety of a RM program in the private sector setting, as well as a review of the pertinent literature. Methods. 40 patients who met inclusion criteria underwent THR and TKR according to a specific protocol. Key aspects of the protocol included: minimum use of opiates, high volume pericapsular local block at time of surgery, no urinary catheter, mobilisation within 6 hrs of surgery and no high care admission. Target Discharge was 3 days. Patients were followed up retrospectively and outcomes included; length of stay, intra- and post-operative complications, subjective patient experience, re-admissions and re-operations. Results. 36 patients, (90 %), were discharged by day 3, 4 patients were discharged at day 4. Mean stay 2,8 days, shortest 2 days, and longest 4 days. 3 elderly female patients required catheterization for urinary incontinence, on the first night post surgery. No complications were experienced. The problems that prevented discharge within 3 days were post operative pain and orthostatic hypotension. There were no re-admissions or re-operations. One TKR required manipulation at 6 weeks. 5 patients required changes of dressings at home within one week post surgery. All the patients in this study were extremely satisfied. Conclusion. A rapid mobilisation program is relatively easy to implement although extra paramedical staff input is required. The results of this pilot study show that the protocol was effective and safe, as well as showing a significant hospital cost reduction. The obvious saving of costs are encouraging us to implement the protocol on a wider scale. Appendix. Lorem ipsum dolor sit amet, ligula suspendisse nulla pretium, rhoncus tempor placerat fermentum, enim integer ad vestibulum volutpat. Nisl rhoncus turpis est, vel elit, congue wisi enim nunc ultricies sit, magna tincidunt. Maecenas aliquam maecenas ligula nostra, accumsan taciti. Sociis mauris in integer, a dolor netus non dui aliquet, sagittis felis sodales, dolor sociis mauris, vel eu libero cras. Interdum at. Eget habitasse elementum est, ipsum purus pede porttitor class, ut adipiscing, aliquet sed auctor, imperdiet arcu per diam dapibus libero duis. Enim eros in vel, volutpat nec pellentesque le. NO DISCLOSURES


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXI | Pages 18 - 18
1 May 2012
D. M A.W.G. K R. S A.H. D N.B. S
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Patients undergoing total knee arthroplasty (TKA) experience significant post-operative pain. We report the results of a new comprehensive patient care plan to manage peri-operative pain, enable early mobilisation and reduce length of hospital stay in TKA. A prospective audit of 1081 patients undergoing primary TKA during 2008 and 2009 was completed. All patients followed a planned programme including pre-operative patient education, pre-emptive analgesia, spinal/epidural anaesthesia with propofol sedation, intra-articular soft tissue wound infiltration, post-operative high volume intermittent ropivacaine boluses with an intra-articular catheter and early mobilisation. The primary outcome measure was the day of discharge from hospital. Secondary outcomes were verbal rating pain scores on movement, time to first mobilisation, nausea and vomiting scores, urinary catheterisation for retention, need for rescue analgesia, maximum flexion at discharge and six weeks post-operatively, and Oxford score improvement. The median day of discharge to home was post-operative day four. Median pain score on mobilisation was three for first post-operative night, day one and two. 35% of patients ambulated on the day of surgery and 95% of patients within 24 hours. 79% patients experienced no nausea or vomiting. Catheterisation rate was 6.9%. Rescue analgesia was required in 5% of cases. Median maximum flexion was 85° on discharge and 93° at six weeks post-operatively. Only 6.6% of patients had a reduction in maximum flexion (loss of more than 5°) at six weeks. Median Oxford score had improved from 42 pre-operatively to 27 at six weeks post-operatively. The infection rate was 0.7% and the DVT and PE rates were 0.6% and 0.5% respectively. This multidisciplinary approach provides satisfactory post-operative analgesia allowing early safe ambulation and discharge from hospital. Anticipated problems did not arise, with early discharge not being detrimental to flexion achieved at six weeks and infection rates not increasing with the use of intra-articular catheters


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_II | Pages 100 - 100
1 Feb 2012
Costa M Chester R Shepstone L Robinson A Donell S
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The aim of this study was to compare immediate weight-bearing mobilisation with traditional plaster casting in the rehabilitation of non-operatively treated Achilles tendon ruptures. Forty-eight patients with Achilles tendon rupture were randomised into two groups. The treatment group was fitted with an off-the-shelf carbon-fibre orthotic and the patients were mobilised with immediate full weight-bearing. The control group was immobilised in traditional serial equinus plaster casts. The heel raise within the orthotic and the equinus position of the cast was reduced over a period of eight weeks and then the orthotic or cast was removed. Each patient followed the same rehabilitation protocol. The primary outcome measure was return to the patient's normal activity level as defined by the patient. There was no statistical difference between the groups in terms of return to normal work [p=0.37] and sporting activity [p=0.63]. Nor was there any difference in terms of return to normal walking and stair climbing. There was weak evidence for improved early function in the treatment group. There was 1 re-rupture of the tendon in each group and a further failure of healing in the control group. One patient in the control group died from a fatal pulmonary embolism secondary to a DVT in the ipsilateral leg. Immediate weight-bearing mobilisation provides practical and functional advantages to patients treated non-operatively after Achilles tendon rupture. However, this study provides only weak evidence of faster rehabilitation


Total knee arthroplasty is associated with early postoperative pain. Appropriate pain management is important to facilitate postoperative rehabilitation and positive functional outcomes. This study compares outcomes in TKA with three techniques; local infiltration analgesia, single shot femoral nerve block and intrathecal morphine.

Methods

Forty-five patients undergoing elective primary Total Knee Arthroplasty (TKA) with were randomized into one of three groups in a double blind proof of concept study.

Study arm 1 received local infiltration analgesia ropivacaine intra-operatively, an elastomeric device of ropivacaine for 24 hours post-op.

Study arm 2 received a femoral nerve block of ropivacaine with placebo local infiltration analgesia and placebo intrathecal morphine.

Study arm 3 received intrathecal morphine, placebo femoral nerve block and placebo local infiltration analgesia. All patients received standardized pre-operative, intraoperative and Post-operative analgesic medication.

Participants were mobilized at 4 hrs, 24hrs and 48 hrs post operation. Range of Motion, Visual Analogue Scale (VAS) pain intensity scores and two minute walk test and Timed Up and Go test were performed. Postoperative use of analgesic drugs was recorded. Knee Society Score (KSS), Oxford Knee Score and Knee Injury and Osteoarthritis Outcome Score (KOOS) were completed at preoperative and 6 weeks post op.

Results

Preliminary results of 32 participants convey the positive outcomes after total knee replacement demonstrated by the improvement in Oxford Knee Score and Knee Osteoarthritis Outcome score. There are marked improvements in the 2-minute walk tests at the six week time-point. At day one post-operative only 5 participants were unable to walk. Patient-controlled analgesia was used on 5 occasions on day one, 2 of which continued on day two. Sedation scores were recorded in six participants on day one and 2 on day two. Nausea was reported in 5 cases on day one and 9 on day two. Urinary catheter was needed in 5 cases on day one.

Importantly the study remains blinded, therefore an analysis of the three study arms is not available and is therefore currently difficult to report on the statistical significance. There will be further assessment of the efficacy of analgesia using VAS pain scores, analgesia consumption and side effects collected preoperatively, 0–24hrs and 24–48 hours postoperatively between the three randomized groups. The assessment of functional outcomes will be measured between the three groups by comparing the ability to mobilize the first 4 hrs after surgery, maximal flexion and extension, two minute walk test and timed up-and-go preoperatively, on postoperative day 1 and 2 and 6 weeks.


Background

Total knee arthroplasty is associated with early postoperative pain. Appropriate pain management is important to facilitate postoperative rehabilitation and positive functional outcomes. This study compares outcomes in TKA with three techniques; local infiltration analgesia, single shot femoral nerve block and intrathecal morphine.

Methods

Forty-five patients undergoing elective primary Total Knee Arthroplasty (TKA) with were randomized into one of three groups in a double blind proof of concept study. Study arm 1 received local infiltration analgesia ropivacaine intra-operatively, an elastomeric device of ropivacaine for 24 hours post-op. Study arm 2 received a femoral nerve block of ropivacaine with placebo local infiltration analgesia and placebo intrathecal morphine. Study arm 3 received intrathecal morphine, placebo femoral nerve block and placebo local infiltration analgesia. All patients received standardized pre-operative, intraoperative and Post-operative analgesic medication.

Participants were mobilized at 4 hrs, 24hrs and 48 hrs post operation. Range of Motion, Visual Analogue Scale (VAS) pain intensity scores and two minute walk test and Timed Up and Go test were performed. Postoperative use of analgesic drugs was recorded. Knee Society Score (KSS), Oxford Knee Score and Knee Injury and Osteoarthritis Outcome Score (KOOS) were completed at preoperative and 6 weeks post op.


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_14 | Pages 14 - 14
23 Jul 2024
Nugur A Wilkinson D Santhanam S Lal A Mumtaz H Goel A
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Introduction. Distal femur fracture fixation in elderly presents significant challenges due to osteoporosis and associated comorbidities. There has been an evolution in the management of these fractures with a description of various surgical techniques and fixation methods; however, currently, there is no consensus on the standard of care. Non-union rates of up to 19% and mortality rates of up to 26 % at one year have been reported in the literature. Delay in surgery and delay in mobilisation post-operatively have been identified as two main factors for high rate of mortality. As biomechanical studies have proved better stability with dual plating or nail-plate combination, a trend has been shifting for past few years towards rigid fixation to allow early mobilisation. Our study aims to compare outcomes of distal femur fractures managed with either single plate (SP), dual plating (DP) or nail-plate construct (NP). Methods. A retrospective review of patients aged above 65 years with distal femur fractures (both native and peri-prosthetic) who underwent surgical management between June 2020 and May 2023 was conducted. Patients were divided into three groups based on mode of fixation - single plate or dual plating or nail-plate construct. AO/OTA classification was used for non-periprosthetic, and Unified classification system (UCS) was used for periprosthetic fractures. Data on patient demographics, fracture characteristics, surgical details, postoperative complications, re-operation rate, radiological outcomes and mortality rate were evaluated. Primary objective was to compare re-operation rate and mortality rate between 3 groups at 30 days, 6 months and at 1 year. Results. A cohort of 32 patients with distal femur fractures were included in this study. 91% were females and mean age was 80.97 (range 68–97). 18 (53%) were non-periprosthetic fracture and 14 (47%) were periprosthetic fractures.18 patients underwent single plate fixation (AO/OTA 33A – 8, 33B/C – 2, UCS V3B – 5, V3C – 3),10 patients had dual plate fixation (AO/OTA 33A – 1, 33B/C – 4, UCS V3B – 3, V3C – 2) and 4 patients underwent nail-plate combination fixation (AO/OTA 33A – 4). 70.5% patients had surgery within 36 hours of admission and 90% within 48 hours. Analysis showed no re-operation at 30 days, 6 months in all 3 groups. At 1 year one patient had re-operation in dual-plating periprosthetic group (Distal femur replacement done for failed fixation). Three patients (16%) in single plate group had re-operation at 2 years (2 for peri-implant fracture and 1 for infection). None of the patients treated with Nail-plate combination had re-operation. Mortality rate at 30 days was 0% in among all the 3 groups. At 6 months, it was 16% in single plate group and 0% in DP and NP groups at 6 months and at 1 year mortality rate was 27% in SP group, 10% in DP and 0% in NP group. Combined mortality rate was 0% at 30 days, 9% at 6 months and 18.7% at one year. Conclusion. Our analysis provides insights into fixation methods of distal femur fractures in elderly patients. We conclude that a lower re-operation rate and mortality rate can be achieved with early surgery and rigid fixation with either dual plating or nail-plate construct to allow early mobilisation. Further prospective studies are warranted to confirm these findings and guide the selection of optimal surgical strategies for these challenging fractures


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_8 | Pages 41 - 41
10 May 2024
Sandiford NA Atkinson B Trompeter A Kendoff D
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Introduction. Management of Vancouver type B1 and C periprosthetic fractures in elderly patients requires fixation and an aim for early mobilisation but many techniques restrict weightbearing due to re-fracture risk. We present the clinical and radiographic outcomes of our technique of total femoral plating (TFP) to allow early weightbearing whilst reducing risk of re-fracture. Methods. A single-centre retrospective cohort study was performed including twenty-two patients treated with TFP for fracture around either hip or knee replacements between May 2014 and December 2017. Follow-up data was compared at 6, 12 and 24 months. Primary outcomes were functional scores (Oxford Hip or Knee score (OHS/OKS)), Quality of Life (EQ-5D) and satisfaction at final follow-up (Visual Analogue Score (VAS)). Secondary outcomes were radiographic fracture union and complications. Results. Mean OHS and OKS was 50.25, EQ-5D score was >4 for all modalities, VAS was 64.4/100. Radiographs demonstrated bony union in 58% at 3 months and 76% at 6 months. We identified no case of re-fracture however non-union occurred in 4 patients. No other operative complications were identified. Conclusion. These results suggest that TFP may be a safe, viable option for management of periprosthetic fractures around stable implants allowing the benefit of early weightbearing, satisfactory outcomes and low re-fracture risk


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_8 | Pages 29 - 29
10 May 2024
Stowers M Rahardja R Nicholson L Svirskis D Hannam J Young S
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Introduction. Day stay surgery for anterior cruciate ligament (ACL) reconstructions is an increasingly common practice and has driven clinicians to come up with postoperative pain regimes that allow same day mobilisation and a safe and timely discharge. There is a paucity of literature surrounding the use of intraosseous (IO) ropivacaine used as a Bier's block to provide both intraoperative and postoperative analgesia in lower limb surgery. Methods. This patient blinded, pilot study randomised 15 patients undergoing ACL reconstruction to receive either IO ropivacaine 1.5 or 2.0 mg/kg; or 300 mg of ropivacaine as local infiltration (standard of care). Toxic plasma levels of ropivacaine have been defined in the literature and therefore the primary outcome for this study was arterial plasma concentration of ropivacaine as a means to determine its safety profile. Samples were taken via an arterial line at prespecified times after tourniquet deflation. Secondary outcomes that we were interested in included immediate postoperative pain scores using the visual analogue scale (VAS) and perioperative opioid equivalent consumption. Results. Participants had a mean age of 27.8 (SD 9.2) years and 87% (13/15) were male. All patients in the intervention group receiving IO ropivacaine had plasma concentrations well below the threshold for central nervous system (CNS) toxicity (0.60 µg/ml). The highest plasma concentration was achieved in the intervention group receiving 1.5 mg/kg dose of ropivacaine reaching 3.59 mg/ml. This would equate to 0.22 µg/ml of free plasma ropivacaine. There were no differences across the three groups regarding pain scores or perioperative opioid consumption. Conclusions. This study demonstrates that IO administration of 0.2% ropivacaine is both safe and effective in reducing perioperative pain in patients undergoing ACL reconstruction. There may be scope to increase the IO dose further or utilise other analgesics via the IO regional route to improve perioperative pain relief


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_3 | Pages 24 - 24
23 Feb 2023
Marinova M Houghton E Seymour H Jones CW
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Ankle fractures in the elderly are common and have a mortality rate of 12% within the first year. Treatment is challenging due to osteoporotic bone and patient co-morbidities. Many patients struggle with non-weight-bearing (NWB) and presently there is no consensus in the literature regarding optimum management of these injuries. We hypothesised that early weight-bearing in frail patients, Clinical Frailty scale (CFS) score of 4 or more will reduce morbidity and allow patients to return to their usual place of residence faster without jeopardising clinical outcome. We conducted a retrospective analysis of 80 patients aged over 65 years managed at Fiona Stanley Hospital for ankle fractures between January 2016 and 2018. Patients were divided into two cohorts: 40 patients managed NWB and 40 who were permitted to weight-bear as tolerated (WBAT). Patients were stratified as fit (CFS 1–3) or frail (CFS 4+). Primary outcomes were one-year mortality, return to primary residence at six weeks and complications. Secondary outcomes included length of acute hospital stay and rehab stay. For frail patients, those managed NWB stayed in rehab for 19 days longer (p=0.03) and had 28% more complications (p=0.03). By 6 weeks, fewer patients returned to full weight-bearing (p=0.03) and fewer patients had returned home (p=0.01). For fit patients, there were no significant differences in primary outcomes between NWB and WBAT. Our novel study categorising patients by CSF demonstrates that early mobilisation in frail patients results in improved outcomes. Currently there is no formal treatment protocol for the management of ankle fractures in the elderly, and we hope that our proposed algorithm will assist surgeons at our institution and elsewhere. Our study suggests that WBAT may benefit frail patients. We propose a protocol to assist in the management of geriatric ankle fracture patients based on clinical frailty scores


Abstract. Objectives. To determine the effectiveness of LIA compared to ACB in providing pain relief and reducing opiates usage in hamstring graft ACL reconstructions. Materials and Methods. In a consecutive series of hamstring graft ACL reconstructions, patients received three different regional and/or anaesthetic techniques for pain relief. Three groups were studied: group 1: general anaesthetic (GA)+ ACB (n=38); group 2: GA + ACB + LIA (n=31) and group 3: GA+LIA (n=36). ACB was given under ultrasound guidance. LIA involved infiltration at skin incision site, capsule, periosteum and in the hamstring harvest tunnel. Analgesic medications were similar between the three groups as per standard multimodal analgesia (MMA). Patients were similar in demographics distribution and surgical technique. The postoperative pain and total morphine requirements were evaluated and recorded. The postoperative pain was assessed using the visual analogue scores (VAS) at 0hrs, 2hrs, 4hrs, weight bearing (WB) and discharge (DC). Results. There was no statistically significant difference in opiates intake amongst the three groups. When comparing VAS scores; there were no statistical difference between the groups at any of the time intervals that VAS was measured. However, the GA+LIA group hospital's LOS (m=2.31hrs, SD=0.75) was almost half that of GA+ACB group (m=4.24hrs, SD=1.08); (conditions t(72)=8.88; p=0.000). There was no statistical significance in the incidence of adverse effects amongst the groups. Conclusion. The LIA technique provided equally good pain relief following hamstring graft ACL reconstructions when compared to ACB, while allowing for earlier rehabilitation, mobilisation and discharge


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_3 | Pages 85 - 85
23 Feb 2023
Flynn S Lemoine M Boland F O'Brien F O'Byrne J
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Restoration a joint's articular surface following degenerative or traumatic pathology to the osteochondral unit pose a significant challenge. Recent advances have shown the utility of collagen-based scaffolds in the regeneration of osteochondral tissue. To provide these collagen scaffolds with the appropriate superstructure novel techniques in 3D printing have been investigated. This study investigates the use of polyɛ-caprolactone (PCL) collagen scaffolds in a porcine cadaveric model to establish the stability of the biomaterial once implanted. This study was performed in a porcine cadaveric knee model. 8mm defects were created in the medial femoral trochlea and repaired with a PCL collagen scaffold. Scaffolds were secured by one of three designs; Press Fit (PF), Press Fit with Rings (PFR), Press Fit with Fibrin Glue (PFFG). Mobilisation was simulated by mounting the pig legs on a continuous passive motion (CPM) machine for either 50 or 500 cycles. Biomechanical tensile testing was performed to examine the force required to displace the scaffold. 18 legs were used (6 PF, 6 PFR, 6 PFFG). Fixation remained intact in 17 of the cohort (94%). None of the PF or PFFG scaffolds displaced after CPM cycling. Mean peak forces required to displace the scaffold were highest in the PFFG group (3.173 Newtons, Standard deviation = 1.392N). The lowest peak forces were observed in the PFR group (0.871N, SD = 0.412N), while mean peak force observed in the PF group was 2.436N (SD = 0.768). There was a significant difference between PFFG and PFR (p = 0.005). There was no statistical significance in the relationship between the other groups. PCL reinforcement of collagen scaffolds provide an innovative solution for improving stiffness of the construct, allowing easier handling for the surgeon. Increasing the stiffness of the scaffold also allows press fit solutions for reliable fixation. Press fit PCL collagen scaffolds with and without fibrin glue provide dependable stability. Tensile testing provides an objective analysis of scaffold fixation. Further investigation of PCL collagen scaffolds in a live animal model to establish quality of osteochondral tissue regeneration are required


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 10 - 10
1 Jun 2023
Hrycaiczuk A Oochit K Imran A Murray E Brown M Jamal B
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Introduction. Ankle fractures in the elderly have been increasing with an ageing but active population and bring with them specific challenges. Medical co-morbidities, a poor soft tissue envelope and a requirement for early mobilisation to prevent morbidity and mortality, all create potential pitfalls to successful treatment. As a result, different techniques have been employed to try and improve outcomes. Total contact casting, both standard and enhanced open reduction internal fixation, external fixation and most recently tibiotalocalcaneal (TTC) nailing have all been proposed as suitable treatment modalities. Over the past five years popular literature has begun to herald TTC nailing as an appropriate and contemporary solution to the complex problem of high-risk ankle fragility fractures. We sought to assess whether, within our patient cohort, the outcomes seen supported the statement that TTC has equal outcomes to more traditional open reduction internal fixation (ORIF) when used to treat the high-risk ankle fragility fracture. Materials & Methods. Results of ORIF versus TTC nailing without joint preparation for treatment of fragility ankle fractures were evaluated via retrospective cohort study of 64 patients with high-risk fragility ankle fractures without our trauma centre. We aimed to assess whether results within our unit were equal to those seen within other published studies. Patients were matched 1:1 based on gender, age, Charlson Comorbidity Index (CCI) and ASA score. Patient demographics, AO/OTA fracture classification, intra-operative and post-operative complications, discharge destination, union rates, FADI scores and patient mobility were recorded. Results. There were 32 patients within each arm. Mean age was 78.4 (TTC) and 78.3 (ORIF). The CCI was 5.9 in each group respectively with mean ASA 2.9 (TTC) and 2.8 (ORIF). There were two open fractures within each group. Median follow up duration was 26 months. Time to theatre from injury was 8.0 days (TTC) versus 3.3 days (ORIF). There was no statistically significant difference in 30-day, one year or overall mortality at final follow up. Kaplan-Meier survivorship analysis did however demonstrate that of those patients who died post-operatively the mean time to mortality was significantly shorter in those treated with TTC nailing versus ORIF (20.3 months versus 38.2 months, p=0.013). There was no statistical difference in the overall complication rate between the two groups (46.9% versus 25%, p=0.12). The re-operation rate was twice as high in patients treated with TTC nailing however this was not statistically significant. There was no statistical difference in the FADI scores at final follow up, 72.1±12.9 (TTC) versus 67.9±13.9 (ORIF) nor post-operative mobility status. Conclusions. Within our study TTC nailing with an unprepared joint demonstrated broadly equivalent results to ORIF in the management of high-risk ankle fragility fractures; this replicates findings of previous studies. We did however observe that mean survival was significantly shorter in the TTC group than those treated with ORIF. We believe this may have been contributed to by a delay to theatre due to TTC stabilisation being treated as a sub-specialist operation in our unit at the time. We propose that both TTC and ORIF are satisfactory techniques to stabilise the frail ankle fracture however, similarly to the other fragility fractures, the priority should be on an emergent operation in a timely fashion in order to minimise the associated morbidity and mortality. Further randomised control studies are needed within the area to establish definitive results and a working consensus


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_10 | Pages 22 - 22
1 Jun 2023
North A Stratton J Moore D McCann M
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Introduction. External fixators are attached to bones with percutaneous pins and wires inserted through soft tissues and bone increasing the risk of infections. Such infections compromise patient outcomes e.g., through pin loosening or loss, failure of fixator to stabilise the fracture, additional surgery, increased pain, and delayed mobilisation. These infections also impact the healthcare system for example, increased OPD visits, hospitalisations, treatments, surgeries and costs. Nurses have a responsibility in the care and management of patients with external fixators and ultimately in the prevention of pin-site infection. Yet, evidence on best practices in the prevention of pin-site infection is limited and variation in pin-site management practices is evident. Various strategies are used for the prevention of pin-site infection including the use of different types of non-medicated and medicated wound dressings. The aim of this retrospective study was to investigate the use of dry gauze or iodine tulle dressings for the prevention of pin-site infections in patients with lower limb external fixators. Methodology. A retrospective study of patients with lower limb external fixators who attended the research site between 2015–2022. Setting & Sample: The setting was the outpatient's (OPD) orthopaedic clinic in a University Teaching Hospital in Dublin, Ireland. Eligibility Criteria:. Over the age of 16, treated with an Ilizarov, Taylor Spatial frame (TSF) or Limb Reconstruction System (LRS) external fixators on lower limbs,. Pin-sites dressed with dry gauze or iodine tulle,. Those with pre-existing infected wounds close to the pin site and/or were on long term antibiotics were excluded. Follow Up Period: From time of external fixator application to first pin-site infection or removal of external fixator. Outcome Assessment: The primary outcome was pin-site infection, secondary outcomes included but were not limited to frequency of pin-site infection according to types of bone fixation, frequency of pin/wire removal and hospitalisation due to infection. Data analysis: IBM SPSS Version 25 was used for statistical analysis. Descriptive and inferential statistics were conducted as appropriate. Categorical data were analysed by counting the frequencies (number and percentages) of participants with an event as opposed to counting the number of episodes for each event. Differences between groups were analysed using Chi-square test or Fisher's exact test, where appropriate. Continuous variables were reported using mean and standard deviations and difference analysed using a two-sample independent t-test or non-parametric test (Mann-Whitney), where appropriate. Using Kaplan-Meier, survival analysis explored time to development of infection. Ethical approval: granted by local institute Research Ethics Committee on 12th March 2018. Results. During the study period, 97 lower limb external fixators were applied with 43 patients meeting the study eligibility criteria. The mean age was 38 (SD 14.1; median 37) and the majority male (n=32, 74%). At least 50% (n=25) of participants had an IIizarov fixator, with 56% (n=24) of all fixators applied to the tibia and fibula. Pin/wire sites were dressed using iodine (n=26, 61%) or dry gauze dressings (n=15, 35%). The mean age of participants in the iodine group was significantly higher than the dry gauze group (p=.012). The only significant difference between the iodine and dry gauze dressing groups at baseline was age. A total of 30 (70%) participants developed a pin-site infection with 26% (n=11) classified as grade 2 infection. Clinical presentation included redness (n=18, 42%), discharge (n=16, 37%) and pain (n=15, 35%). Over half of participants were prescribed oral antibiotics (n=28, 65%); one required intravenous antibiotics and hospitalization due to pin-site infection. Ten (23%) participants required removal of pin/wires; two due to pin-site infection. There was no association between baseline data and pin-site infection. The median time to developing an infection was 7 weeks (95%, CI 2.7 to 11.29). Overall, there were 21 (81%, n=26) pin-site infections in the iodine group and nine (60%, n=15) in the dry gauze group, difference in proportion and relative risk between the dressing groups were not statistically significant (RR 1.35, 95% CI 0.86–2.12; p= .272). There was no association between baseline data, pin-site infection, and type of dressing. Conclusions. At the research site, patients are referred to the OPD orthopaedic clinic from internal and external clinical sites e.g., from Hospital Consultants, General Practitioners and occasionally from multidisciplinary teams, throughout Ireland. Our retrospective observation study found that 97 lower limb external fixators were applied over a seven-year period which is lower than that reported in the literature. However, the study period included the COVID pandemic years (2020 and 2021) which saw a lower number of external fixators applied due to lack of theatre availability, cancelled admissions and social/travel restrictions that resulted in fewer accidents and lower limb trauma cases requiring external fixator application. The study highlighted a high infection rate with 70% of participants developing pin-site infection which is in keeping with findings reporting in other studies. Our study showed that neither an iodine nor dry gauze dressing was successful in preventing pin-site infection. In the iodine group 81% of participants developed infection compared to 60% in the dry gauze group. Given the lack of difference between the two groups consideration needs to be given to the continued use of iodine dressings in the prevention of pin-site infection. Pin-site infections result in a high portion of participants being prescribed antibiotics and, in an era, that stresses the importance of antimicrobial stewardship there is a need to implement effective infection prevention and control strategies that minimise infection. Further research is therefore needed to investigate more innovative medicated dressings such as those that contain anti-microbial or anti-bacterial agents


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIX | Pages 245 - 245
1 Sep 2012
Khan L Will E Keating J
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Introduction. The aims of this study were to undertake a prospective randomised trial to compare functional outcome, strength and range of motion after treatment of medial collateral ligament injuries by either early unprotected mobilisation or mobilisation with a hinged brace. Methods. Patients were randomised into either unprotected mobilisation or mobilisation with a hinged brace. Assessments occurred at 2 weeks, 6 weeks, 3 months and 6 months. Outcome measures included validated questionnaires (International Knee Documentation Committee and Knee Injury and Osteoarthritis Outcome Score scores), range of motion measurements and strength testing. Results. Eighty six patients (mean age 30.4) were recruited. There were 53 men and 33 women. The mode of injury was sport in 56 patients (65%) with football, rugby and skiing being the most common types of sport involved. The mean time to return to full weight bearing was 3 weeks in both groups. The mean time to return to work was 4.6 weeks in the braced group and 4.1 weeks in the non-braced group (p=0.79). Return to running was at a mean of 14.3 weeks in the braced group and 12.8 weeks in the non-braced group (p=0.64). Return to full sport was 22 weeks in the braced group and 22.1 weeks in the non-braced group (p=0.99). There was no significant difference in range of movement or pain scores between the two groups at 2,6,12 and 24 weeks. Conclusions. The use of a hinged knee brace does not influence recovery after a medial collateral injury


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_III | Pages 139 - 139
1 Feb 2012
Maripuri S Debnath U Rao P Thomas M Mohanty K
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Introduction. The elbow is the second most common site of non prosthetic joint dislocation. Simple elbow dislocation alone contributes to 11-28% of all elbow injuries. Post-reduction treatment methods include traditional plaster of Paris (POP) immobilisation followed by physiotherapy, sling application followed by early mobilisation and rapid motion. The aim of the study was to evaluate the final outcome and cost-effectiveness of the pop and the sling groups. Study Design. Retrospective cohort study. Methods. We reviewed 42 simple elbow dislocations treated between 1998-2003. 20 patients in POP group and 22 patients in the sling group were assessed at a minimum follow-up of two years. The data collected consisted of age, gender, duration of immobilisation, length of physiotherapy, and return to work. All were assessed using MEPI (Mayo Elbow Performance Index) score and Quick DASH questionnaire. The final outcome was graded as excellent, good, fair and poor. Results. The final functional outcome in the POP group was 10 excellent, 3 good, 4 fair and 3 poor. In the sling group, we had 19 excellent, 1 good and 2 fair results. The mean MEPI scores in the POP and sling group were 89.2 and 98.2 respectively (p<0.05). The mean quick DASH scores in the POP and sling group were 12.8 and 2.7 respectively (p<0.05). The final functional outcome is directly dependent on the length of immobilisation (R=0.91). The mean time to return to work in POP group and sling groups was 6.6 and 3.2 weeks respectively (p<.001). Conclusion. Sling and early mobilisation is a safe and cost-effective method of treatment for simple elbow dislocation. The length of physiotherapy and time taken to return to work were significantly shorter in the sling group. Early mobilisation did not result in redislocation or late instability. The final outcome of the sling and early mobilisation group was significantly better than POP immobilisation group


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_1 | Pages 73 - 73
1 Jan 2013
Gillott E Sun SNM Carrington R Skinner J Briggs T Miles J
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Background. The Enhanced Recovery Programme (ERP) is an evidence based initiative aimed at speeding up patient recovery after major surgery and improving their outcomes. The Royal National Orthopaedic Hospital, Stanmore (RNOH) is a specialist orthopaedic and implemented an ERP for primary knee arthroplasties from October 2010. Aims. To analyse the initial results of patients participating in our ERP for primary knee arthroplasty to identify what factors predict their Length of Stay (LoS) and establish where changes can be made to improve outcomes further. Method. We interrogated our prospective ERP database and determined which patients achieved and which ones exceeded the 5-day LoS target. We then performed a further retrospective notes review to gather supplementary information including non-modifiable patient factors to identify factors which influenced their LoS. Results. 261 patients participated in the Knee ERP at the RNOH between October 2010 and December 2011 including patients undergoing complex procedures and bilateral procedures during the same in-patient episode. Mean age was 64 years (32–85 years). Mean LoS was 6.1 days (2–29 days). ASA grade and attendance at the multidisciplinary Joint School all had a positive influence on the LoS, particularly when combined. The day of mobilisation had the greatest correlation with those mobilising early. Mean LoS was 2.8 (Day 0), 4.41 (Day 1), 6.38 (Day 2), 9.23 (Day 3) and 12.95 (Day 4 or later). Conclusion. Identifying and targeting modifiable variables can further improve the outcomes for this particular group of patients. ASA grade and attendance at the multidisciplinary Joint School are among the positive influences on patient LoS. Adjusting analgesia to reduce unwanted effects may facilitate earlier engagement with the physiotherapy service and thus earlier mobilisation. Early results suggest encouraging patients to attend Joint School with subsequently early postoperative mobilisation can positively influence safe return to the home environment


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIX | Pages 239 - 239
1 Sep 2012
Tawari G Kakwani R Shankar K
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Introduction. The primary goal of treatment of an ankle fracture is to obtain a stable anatomic fixation to facilitate early mobilisation and good functional recovery. However, the need for open reduction and internal fixation must be weighed against poor bone quality, compromised soft tissues, patient co-morbidities and potential wound-healing complications. Materials and Methods. We reviewed two matched groups of 18 patients each, who underwent fixation for unstable Weber-B ankle fractures with intramedullary fibular nail (Group 1) and Standard AO semi-tubular plate osteo-synthesis technique (Group 2) to achieve fracture control and early mobilisation. Clinical and radiological fracture union time, and the time at mobilisation with full weight bearing on the ankle were used as outcome measures. Results. The mean age of patients in both the groups was 53.6 yrs and 55.5 yrs respectively. The mean follow-up period was 5.4 months (Group 1) and 6.9 months (Group 2) before discharge. Clinical and radiological union was achieved earlier in patients treated with intramedullary fibular nail (7.3 weeks & 8.7 weeks respectively) compared with plate osteo-synthesis treatment (8.2 weeks & 9.8 weeks respectively) and this was statistically insignificant (p=0.66 & p=0.54 respectively). Patients achieved full weight bearing at 8.4 weeks in nailing group compared to 8.2 weeks in plate osteo-synthesis group (p=0.40). One patient in the plate osteo-synthesis group had wound infection, requiring removal of hardware after fracture union. There were no wound complications in the nailing group. Conclusion. Open reduction and internal fixation with the use of plates and screws based on the AO osteo-synthesis technique remains gold standard for treatment of ankle fracture. Advantages of fibular nail include a minimally invasive procedure with respect to fracture biology, feasibility of its use in compromised soft tissue states and negligible wound healing complications and can be used as a viable alternative


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_4 | Pages 115 - 115
1 Jan 2016
Thornton-Bott P Tai S Walter W Zicat B
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Background. Total Hip Arthroplasty (THA) using the Direct Anterior Approach (DAA) is a muscle sparing approach which promotes early mobilisation of patients. It is a technically challenging approach shown to have a high rate of complications, especially during the learning curve. Here we present the results of 157 cases of THA via a DAA on a standard theatre table, with a minimum of 6 months follow-up. Materials & Methods. The authors conducted a prospective study on a group of 149 consecutive patients undergoing 157 cementless primary THAs for coxarthrosis, 8 bilateral. The same surgical technique was used in all patients, performed by the senior author WLW at a single centre. The average age of the patients at time of surgery was 69 years, 78% were female and 57% were right sided. All implants were uncemented, with bearings being ceramic on ceramic or Ceramic on highly cross-linked polyethylene. Patients were assessed clinically and radiographically pre- and post-operatively at 6 weeks, 6 months, 1 and 2 years. Intra-operatively, navigation was used to guide cup position and assess offset and leg length. Results & Discussion. At the time of the latest follow-up, 1 patient had died of unrelated cause and 8 (5%) were lost to follow-up Clinically, the mean Harris Hip Score was 91 points with 88% reporting a good or excellent result, with 5% reporting moderate to severe pain. Radiographically all patients assessed had evidence of stable bony ingrowth. There was subsidence of 2–5mm in 9 stems (6%). Osteolysis was reported adjacent to one cup and one stem. There were no dislocations. The complication rate was 4.5%. This included 2 intra-operative femoral fractures, one a minor greater trochanteric fracture not requiring fixation, the other a calcar fracture treated at time of surgery. There were 3 femoral fractures occurring on average 4 weeks after surgery all requiring revision and one stem subsidence of 10mm following a heavy fall, subsequently requiring revision for leg length discrepancy. Other complications included one non-fatal PE, a haematoma that required evacuation. We report 20 (12%) episodes of lateral femoral cutaneous nerve palsy of any severity, most of which had or were resolving at the 6 month follow-up. Kaplan Mieir survival analysis was 97.2% at minimum 6 months. Patients mobilised day of surgery or day 1 post-op, and were discharged on average day 4 post-op. Neither the intra- or post-operative fractures could be attributed to the learning curve. Similarly episodes of stem subsidence and LFCN palsy occurred spread out over the 3 years of the study. This study supports the existing orthopaedic literature reporting the benefits of the DAA for THA with reduced soft tissue damage, reduced blood loss and early mobilisation with a low incidence of dislocation. Other authors however have reported a high incidence of complications attributing them to the early learning curve. This early study of DAA using a standard theatre table has identified that complications of fracture, stem subsidence and LFCN injury can occur at any time and bear no relationship to a learning curve


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_1 | Pages 74 - 74
1 Jan 2013
Akhtar K Somashekar N Willis-Owen C Houlihan-Burne D
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Purpose of the study. The aim of this study was to prospectively study the safety, functional outcomes and complications of all patients undergoing bilateral single-stage sequential (BSSS) unicompartmental knee arthroplasty (UKA) in our unit. Methods and results. 394 cemented UKAs were performed in this unit between 2006–2010. A retrospective review identified 38 patients (76 knees) who underwent BSSS UKA, performed by a single surgeon. Patient demographics were recorded as well as pre and post-operative Oxford knee scores, tourniquet times, time to mobilisation, length of in-patient stay and any complications. There were 22 women and 16 men with a mean age of 64. The mean duration of follow-up was 30 months. The mean total tourniquet time was 83 minutes. The mean time to mobilisation was 18 hours and the average length of stay was 3.5 days. This compares favourably with an institutional average length of stay of two days for a single UKA. There was a significant improvement in the mean pre- to post-operative Oxford Knee Score (from 14 to 34, p< 0.0001). One patient required operative fixation of a tibial plateau fracture after sustaining a mechanical fall two months following surgery. There were no other major complications, including thrombo-embolic events or deep infections. Two patients required excision of a superficial suture granuloma. Conclusion. BSSS UKA provide significant improvement in patient function and can be performed safely with a low complication rate. Patients can benefit from a single hospital admission and anaesthetic whilst the shorter total in-patient stay reduces costs incurred by the hospital


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_II | Pages 11 - 11
1 Feb 2012
Sinha S Shetty R Housden P
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Neglected traumatic dislocation of hip in children is very rare and most of the studies are too small to draw a conclusion. There is no consensus on timing for closed VS open reductions and post reduction care. The aim of our prospective study was to analyse and characterise the short term treatment outcome of treating 20 such cases in children (<12 years). All had posterior dislocation without any associated fractures (Thompson & Epstein type 1) sustained during typical childhood play activities and/or a fall from a height less than 10 feet. All attended the hospital between 1-52 weeks of injury. Closed reductions under GA were performed in 12 cases which were less than 3 weeks old, followed by hip immobilisation for 3 weeks and PWB mobilisation for 3 weeks. 8 hips (> 3 weeks old) had open reductions as none of them could be reduced by skeletal tractions and were allowed for FWB mobilisation after 9 weeks. Functional result (Garrett et al) at 2 years follow-up showed a complete range of motion in 18 children while the remaining two had 80% of normal hip movements with no deformity. All the hips showed varying degrees of avascular necrosis, with preservation of joint space on radiographs (Ficat & Arlet stage 1-3). There were no redislocations. We suggest that closed (for <3 weeks old dislocation) and open (for >3 weeks old dislocations) reductions are satisfactory treatment for traumatic neglected hip dislocations in children