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Infected Non-union of Tibia Treated with Ilizarov External Fixator: Our Experience

Fahad S ; Habib AA ; Awais MB ; Umer M ; Rashid HU

Malaysian Orthopaedic Journal.2019;13(1):36-41. doi:10.5704/MOJ.1903.006

Introduction: Tibia is the most common long bone fractured due its vulnerable subcutaneous location and most often associated with acquired complications of delayed union or non-union due to infection. Amongst the various treatment options to treat them, the Ilizarov external fixator application is considered superior due to its multiple advantages. The objective of this study was to analyse the role of Ilizarov fixation in infected tibial non-union, as well as to assess bony union and associated functional outcomes. Materials and Methods: A retrospective review was conducted for the duration between 1st January 2005 to 31st December 2016. Total of fifty-one patients with tibial non-union associated with infection who treated with the Ilizarov fixator were included in the study. Patient records were reviewed for union of bone, bone and functional outcomes and complications. Results:The most common organism for infection was identified to be Staphylococcus Aureus. At the time of final follow-up all patients had achieved union except two, one of whom had to undergo amputation due to non-union and sepsis. Majority of the patients had an excellent score as per ASAMI grading system for bone and function results. The most common complication noted was pin track infections. Conclusion: In our experience, Ilizarov external fixator is better suited for infected non-union of tibia because it can provide a stable mechanical environment, bone transport, correct deformities, and enable weight bearing and hence we recommend its use for the same.

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Highly Crosslinked Polyethylene Tibial Post Fracture in the Unafflicted Limb of a Patient with Unilateral Lower Limb Poliomyelitis: A Case Report

Lee WC ; Wee LHJ

Malaysian Orthopaedic Journal.2019;13(1):42-44. doi:10.5704/MOJ.1903.008

We present a unique case of tibial post fracture of a posteriorstabilised total knee arthroplasty (PS-TKA) using highly crosslinked polyethylene (HXLPE) in the unafflicted limb of a patient who had poliomyelitis. The tibial post is an upright structure perpendicular to the PE insert articular surface which articulates with the cam of the femoral component to prevent excessive posterior translation of the tibia. We explore the choice of PS polyethylene (PE) inserts in patients with neuromuscular disorders (NMD). A 74-year old gentleman presented with recurrent knee pain seven years after the index PS-TKA with HXLPE. The TKA was performed on the unafflicted left limb (contralateral to the weak side affected by poliomyelitis). The posterior drawer test was positive. During the single-stage revision surgery, the HXLPE tibial post was noted to be broken. The liner was replaced with a thicker non-HXLPE. The patient achieved an excellent outcome at one-year post-surgery. This is the first report of HXLPE tibial post fracture in the unaffected knee of a patient with NMD affecting the lower limb. The HXLPE’s reduced resistance to fatigue crack propagation might not be suitable in PS-TKA where there might be focal stress points on the tibial post, which was amplified in this case as it was the limb that the patient most depended on. When managing end-stage osteoarthritis with TKA in the unafflicted knee of a patient with NMD causing lower limb weakness, the selection of polyethylene material in PS-TKA may need more consideration than previously thought.

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Aneurysmal Bone Cyst after Femoral Derotational Osteotomy: A Case Report

Sahin K ; Demirel M ; Turgut N ; Arzu U ; Polat G

Malaysian Orthopaedic Journal.2019;13(1):45-48. doi:10.5704/MOJ.1903.009

Aneurysmal bone cysts rather than local aggressive lesions of the bone which may arise in any part of the axial or appendicular skeleton. Although several theories are available in the literature, the pathogenesis is still conflicting. We report an exceptional case of an aneurysmal bone cyst in the distal femur of a female cerebral palsy patient who underwent bilateral distal femoral derotational osteotomy and plate-screw fixation operations when she was 11 years old. Twenty-four months after the operation, radiographs showed a cystic lesion in the distal portion of the right femur around the osteotomy site. The diagnosis of Aneurysmal Bone Cyst (ABC) was made and the lesion was treated by curettage with cement application. After 36 months of follow-up, there was no recurrence. This is the first case reported in literature which raises the possibility that an osteotomy could be a cause in the development of an aneurysmal bone cyst.

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Correction using Halo Gravity Traction for Severe Rigid Neuromuscular Scoliosis: A Report of Three Cases

Mejabi JO ; Sergeenko OM ; Ryabykh SO

Malaysian Orthopaedic Journal.2019;13(1):49-53. doi:10.5704/MOJ.1903.010

Severe rigid neuromuscular scoliosis is a major challenge to the spine surgeon due to the possibilities of neurological sequelae from acute correction of the deformity. Halo gravity traction has been considered as a way of reducing the deformity before correction to prevent neurological complications. Three female patients with severe neuromuscular scoliosis aged seven to 13 years with main coronal Cobb angle of 95°-128° and Kyphotic Cobb of 47°-118° having ≤35% flexibility on traction, had between 18 to 23 days of 16 hour/day of halo gravity traction and night time supine traction with 4kg weight for 7-8 hours. They had 28.9% and 18.5% of main coronal and kyphotic Cobb angle correction post-traction respectively. All had posterior instrumentation and post-operatively, they had correction of main coronal Cobb angle of 29°-58° and kyphotic Cobb angle of 30°-77° with no neurological complication. Halo gravity traction is therefore a viable option for reducing post-operative neurological complication in rigid severe scoliosis.

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A Rare Case of Gout and Pseudogout Occurring in the Same Joint

Wang YH ; Ho SWL

Malaysian Orthopaedic Journal.2019;13(1):54-56. doi:10.5704/MOJ.1903.011

Pseudogout and gout are common types of inflammatory joint disease in the elderly. However, the existence of both in a single joint in a patient is relatively rare. This case report describes an interesting case of a 42-year old man who presented with simultaneous gout and pseudogout in the knee joint, diagnosed via polarised light microscopy. There was no radiographic evidence of pseudogout. This case report serves to illustrate the need to actively exclude concomitant pseudogout, especially in patients suffering from recurrent attacks of gout.

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In Situ Fixation of Symptomatic Fibrous Non-union Hoffa Fracture: A Case Report

Soni A ; Kansay R ; Gupta S ; Malhotra A

Malaysian Orthopaedic Journal.2019;13(1):57-59. doi:10.5704/MOJ.1903.014

Femoral condyle fracture in coronal plane, also known as Hoffa fracture, is a rare fracture. Non-union of Hoffa fracture is even rarer. We present a case of fibrous nonunion of a Hoffa fracture in which the fractured fragment, though not freely movable, led to painful walking. Since the fragment was un-displaced and non-movable we fixed the fractured fragment in situ. Patient regained full range of motion of the knee and was asymptomatic on follow-up.

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Fracture Non-Union: A Review of Clinical Challenges and Future Research Needs

Stewart SK

Malaysian Orthopaedic Journal.2019;13(2):1-10. doi:10.5704/MOJ.1907.001

Non-union of bone following fracture is an orthopaedic condition with a high morbidity and clinical burden. Despite its estimated global prevalence of nine million annually, the limit of bone regeneration therapy still results in patients living with pain, a reduced quality of life and associated psychological, social and financial repercussions. This review provides an overview of the current epidemiological and aetiological data, and highlights where the clinical challenges in treating non-union lie. Current treatment strategies are discussed as well as promising future research foci. Development in biotechnologies to treat non-union provides exciting scope for more effective treatment for this debilitating condition.

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The Effects of Total Knee Arthroplasty on Sleep Quality

Koken M ; Guclu B

Malaysian Orthopaedic Journal.2019;13(2):11-14. doi:10.5704/MOJ.1907.002

Introduction:Symptomatic osteoarthritis is one of the most common indications for total knee arthroplasty (TKA) operations. Pain in every stage of the disease causes sleep disturbances in patients. The primary objective of this study was to evaluate the effect of TKA on the quality of sleep in patients with symptomatic osteoarthritis. Materials and Methods: This retrospective, descriptive study was performed on 80 patients diagnosed with symptomatic osteoarthritis who underwent TKA. The patients responded to the Pittsburgh Sleep Quality Index (PSQI), which is widely used to evaluate sleep quality. Additionally, the effects of demographic and clinical variables such as age, gender, body mass index, smoking and alcohol consumption were also evaluated before and after surgery. Results: There was no correlation between demographic variables and PSQI scores pre- and postoperatively. There was a decrease in sleep quality on the sixth postoperative week compared to the preoperative period however this difference was not statistically significant. On the other hand, there was a statistically significant difference between preoperative and postoperative sixth month PSQI scores. Mean values of overall sleep quality and daily function were significantly higher in the postoperative sixth compared to the preoperative period (p<0.001) Conclusion: Treatment of symptomatic OA with TKA will improve sleep quality in the long term.

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Orthopaedic Resident Burnout: A Literature Review on Vulnerability, Risk Factors, Consequences and Management Strategies

Wong KP ; Kaliya-Perumal AK ; Oh JYL

Malaysian Orthopaedic Journal.2019;13(2):15-19. doi:10.5704/MOJ.1907.003

Introduction: Orthopaedic surgery is physically demanding. Surgeons may have to work long unpredictable hours especially during residency training. This arduous task comes with the risk of burnout leading to negative repercussions to the surgeon and the patient. In view of strategising peer support, we intend to review the literature and analyse whether orthopaedic resident burnout is a global issue. We also intend to derive common strategies to tackle burnout at individual and organisational levels. Materials and Methods: A literature search was carried out in the databases including PubMed, Scopus, SciELO, and Google Scholar to shortlist studies dealing with orthopaedic residency and related burnout. Those studies that used the Maslach Burnout Inventory (MBI) for quantifying burnout were collectively interpreted. Other studies were reviewed to analyse the vulnerability, risk factors, consequences and management strategies related to burnout. Results: Among a total of 72 titles shortlisted, eight studies independently reported burnout among orthopaedic surgery residents/trainees and used MBI as a tool for assessing burnout. Based on the three subscales of MBI, 37.2% had high degree of emotional exhaustion (EE), 48% had high degree of depersonalisation (DP) and 33.1% perceived low personal accomplishment. This signifies the high prevalence of burnout among orthopaedic residents/trainees. Conclusion: Burnout among orthopaedic surgery residents seems to be a universal problem. Risk factors could be multifactorial, influenced by clinical competency and workhome environment. This can be tackled at the individual level by being aware of burnout syndrome, involving in adequate physical activity and spending quality social time; and at the organisational level by duty hour limitation, professional appreciation and mentorship programme.

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Structured Total Knee Replacement Rehabilitation Programme and Quality of Life following Two Different Surgical Approaches - A Randomised Controlled Trial

Antony-Leo AP ; Arun-Maiya G ; Mohan-Kumar M ; Vijayaraghavan PV

Malaysian Orthopaedic Journal.2019;13(2):20-27. doi:10.5704/MOJ.1907.004

Introduction:The key important factor influencing the outcomes following rehabilitation is the surgical approach involved in Total Knee Replacement (TKR). Most studies have analysed the functional outcome in comparing the approaches on surgical perspective rather on post-operative therapeutic interventions. The current study was to analyse the effects of structured TKR rehabilitation programme on the quality of life and joint specific outcomes between two different surgical approaches. Materials and Methods: In this double-blind randomised controlled trial, participants were randomly allocated to one of two groups: Group 1- those who underwent medial parapatellar approach and Group 2- those who underwent mid-vastus approach. Both groups received three-phase structured rehabilitation protocol for 12 weeks. The outcome measures of SF-36, knee mobility, isometric knee musculature strength and six-minute walk distance were measured at baseline, on discharge and at review after three months. Results: The quality of life and joint specific outcome scores were better in mid-vastus approach than the popular medial parapatellar approach. The outcomes of knee flexion mobility (p=0.04), knee extension mobility (p=0.03), isometric muscle strength of quadriceps (p=0.001), isometric muscle strength of hamstrings (p=0.03), six-minute walk distance (p=0.001) and Physical Cumulative Scores (PCS) (p=0.03) were found to exhibit significant improvements at three months follow up. Conclusion: The mid-vastus approach was found to exhibit better improvements following structured rehabilitation care, in physical summary scores of quality of life and joint specific outcomes than medial parapatellar approach.

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