Displaying publications 1 - 20 of 36 in total

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  1. Hussin P, Chan CY, Saw LB, Kwan MK
    Emerg Med J, 2009 Sep;26(9):677-8.
    PMID: 19700594 DOI: 10.1136/emj.2008.064972
    U-shaped sacral fracture is a very rare injury. This injury is easily missed and the diagnosis is often delayed as it is difficult to detect on the anteroposterior view of the pelvic radiograph. It is highly unstable and neurological injury is common. Two cases of U-shaped sacral fractures are reported here in which the diagnosis was delayed resulting in the late development of cauda equina syndrome. In these two cases, full recoveries were achieved following surgical decompression. A high index of suspicion with proper clinical and radiographic assessments will decrease the incidence of missed diagnosis and prevent the occurrence of delayed neurological deficits.
    Matched MeSH terms: Spinal Fractures/diagnosis*
  2. Mukundala VV, Lim HH
    Singapore Med J, 2001 Feb;42(2):82-4.
    PMID: 11358198
    Fracture-dislocation of the lumbo-sacral spine was an unusual injury and was divided into anterior, posterior and lateral types depending on the displacement of the cephalad portion of the spine over the caudal portion. According to the authors' knowledge, only 31 cases of traumatic fracture-dislocation of the lumbo-sacral spine were reported in the English literature. Only 3 previous reports referred to this injury with a posterior displacement, which was an even rarer injury. This was the fourth report of this type of injury.
    Matched MeSH terms: Spinal Fractures/etiology; Spinal Fractures/radiography*; Spinal Fractures/surgery*
  3. Tiew S, Tay T
    Malays Orthop J, 2012 Nov;6(3):63-5.
    PMID: 25279063 MyJurnal DOI: 10.5704/MOJ.1207.010
    Transverse sacral fracture is a very rare injury and frequently missed or delayed in diagnosis. We present a case with this injury and discuss its management.
    Matched MeSH terms: Spinal Fractures
  4. Razak M, Mahmud M, Mokhtar SA, Omar A
    Med J Malaysia, 2000 Sep;55 Suppl C:14-7.
    PMID: 11200038
    Fifteen cases of unstable fracture-dislocation of the thoracolumbar spine have been treated by open reduction, short segment transpedicular fixation and fusion in Universiti Unit, Kuala Lumpur Hospital from January 1994 until December 1997. Twelve male and three female patients were injured; their age ranged from 18 to 45 years. Five fracture-dislocations occurred in the lower thoracic spine (T8 to T11), eight at the thoracolumbar junction (T12 to L2) and two in the lumbar spine (L3 to L5). All the patients had neurological deficit. Seven patients with incomplete or cauda equina lesions regained some neural function, while all eight with complete lesions remained unchanged. Ten of the fifteen cases were grossly unstable and translated beyond 50% of the width of the spinal column. At the time of follow up (more than one year in all patients), no loss of reduction or of fixation was noted in any patient. Solid fusion was achieved in all patients. The advantages of this method of treatment include stable fixation, with maintenance of sagittal and coronal spinal alignments, to allow early rehabilitation.
    Matched MeSH terms: Spinal Fractures/surgery*
  5. Alizadeh M, Kadir MR, Fadhli MM, Fallahiarezoodar A, Azmi B, Murali MR, et al.
    J Orthop Res, 2013 Sep;31(9):1447-54.
    PMID: 23640802 DOI: 10.1002/jor.22376
    Posterior instrumentation is a common fixation method used to treat thoracolumbar burst fractures. However, the role of different cross-link configurations in improving fixation stability in these fractures has not been established. A 3D finite element model of T11-L3 was used to investigate the biomechanical behavior of short (2 level) and long (4 level) segmental spine pedicle screw fixation with various cross-links to treat a hypothetical L1 vertebra burst fracture. Three types of cross-link configurations with an applied moment of 7.5 Nm and 200 N axial force were evaluated. The long construct was stiffer than the short construct irrespective of whether the cross-links were used (p < 0.05). The short constructs showed no significant differences between the cross-link configurations. The XL cross-link provided the highest stiffness and was 14.9% stiffer than the one without a cross-link. The long construct resulted in reduced stress to the adjacent vertebral bodies and screw necks, with 66.7% reduction in bending stress on L2 when the XL cross-link was used. Thus, the stability for L1 burst fracture fixation was best achieved by using long segmental posterior instrumentation constructs and an XL cross-link configuration. Cross-links did not improved stability when a short structure was used.
    Matched MeSH terms: Spinal Fractures/surgery*
  6. Ong T, Bin Syed Ali SA, Sahota O
    Curr Rheumatol Rev, 2021;17(1):109-112.
    PMID: 32867654 DOI: 10.2174/1573397116999200820170559
    INTRODUCTION: There is a lack of robust data on hospitalised acute vertebral fragility fractures. This analysis aimed to report on the number of hospitalised vertebral fragility fractures treated in a large UK teaching hospital. This information would support better design of hospital services and resource allocation to manage this group of patients.

    METHODS: Patients aged 50 years and over hospitalised with a vertebral fragility fracture from 1/2/2016 to 31/1/2017 were identified from radiology and hospital records. Patients sustaining vertebral fractures due to either major trauma or malignancy were excluded. Data was collected on patient demographics, fracture details, hospitalisation details and health outcomes.

    RESULTS: 208 patients with acute vertebral fragility fractures were hospitalised over a 12 month period. The mean (SD) age was 80.5 (11) years, of which 68% were female. 94% presented to the Emergency Department (ED) as their first point of contact, of which 70% were subsequently hospitalised. Two-thirds presented with a single level vertebral fracture predominantly around the thoracolumbar region. The majority (87%) were non-operatively managed by general physicians, of which most were under Geriatric Medicine. The median length of stay was 12 (IQR 6-20) days and inpatient mortality was 3%. 52% of patients went on to have a bone health assessment.

    CONCLUSION: We have reported on the number of patients presenting to hospital with an acute vertebral fragility fracture over 12 months. This helps identify resources needed to design hospital services to manage them adequately.

    Matched MeSH terms: Spinal Fractures/epidemiology*
  7. Razak KAA, Ghani KHA, Musa AA
    Injury, 2021 Jan;52(1):90-94.
    PMID: 33168201 DOI: 10.1016/j.injury.2020.11.004
    BACKGROUND: Acetabular fractures in childhood are rare and the literature is scarce to describe a standard protocol in surgical management of these injuries. As the patient is still growing, it warrants a detailed assessment with a sound surgical plan if operative intervention is deemed necessary to prevent late complications. Throughout literature, most fixation rely on using pins, screws, plates or combination of the three which require large surgical exposure and risk of secondary physeal injury, hence we come up with a method of using the Titanium Elastic Nail System (TENS) to overcome this issue. We describe a novel technique in managing acetabular fractures in this group of patients using the TENS.

    METHOD: An 8 year old girl with a diagnosis of right anterior column posterior hemitransverse acetabular fracture was fixed with 3 TENS for supra-acetabular, anterior column and posterior column fragments. Surgery was performed in a minimally invasive manner. No drilling was performed during the surgery and implant insertion is done manually.

    RESULTS: Advantages of this procedure include minimally invasive surgery with smaller wounds, minimal intraoperative bleeding and theoretically reduces the risk of premature fusion of the triradiate cartilage. Patient is allowed early rehabilitation with this method.

    CONCLUSION: This novel method provides an alternative to traditional usage of wires, pins, plates and screws as is described in most literature. However, it requires the surgeon to appreciate that the safe corridors for the implant are much narrower than adults. We recommend this technique for fractures that are deemed suitable for intramedullary fixation and further research in the future will be needed.

    Matched MeSH terms: Spinal Fractures
  8. Zulkefli, A., Adrian, Y.H.L., Zairul, A.K.B., Ramanathan, R.
    Malays Orthop J, 2009;3(2):40-43.
    MyJurnal
    Objectives: To study the prevalence and the risk factors for surgical site infection in patients who underwent posterior instrumented surgery for thoracolumbar burst fractures. Methodology: Retrospective review of cases operated between year 2006 and 2007. The final end point is the detection of surgical site infection within one year. Results: A total of 38 cases were reviewed. Surgical site infection occurred in 5 cases. Only one had deep infection. The onset of infection occurred within one month in all cases. The risk factors studied were smoking, timing of surgery, duration of surgery, neurological deficit, associated injuries and high dose methylprednisolone administration. None of them were statistically significant as risk factors for surgical site infection. Conclusion: The prevalence of surgical site infection in patients who underwent posterior instrumented surgery for thoracolumbar burst fractures was 13%.
    Matched MeSH terms: Spinal Fractures
  9. Mohd Asihin MA, Bajuri MY, Ahmad AR, Ganaisan PK, Fazir M, Salim AA
    Front Surg, 2019;6:42.
    PMID: 31380389 DOI: 10.3389/fsurg.2019.00042
    We describe a series of three patients who sustained multiplanar sacral fracture with spinopelvic dissociation treated with bilateral triangle osteosynthesis supplemented with a gullwing plate. Multiplanar sacral fracture causes the sacrum to divide into two parts which in severe cases, fracture displacement results in neurological injury. Spinopelvic fixation supplemented with a gullwing plate surgical treatment is still a viable option with an acceptable outcome. The average waiting time prior to surgery is 3 weeks.
    Matched MeSH terms: Spinal Fractures
  10. Razak M, Mahmud MM, Hyzan MY, Omar A
    Med J Malaysia, 2000 Sep;55 Suppl C:9-13.
    PMID: 11200050
    From January 1994 to January 1998, 26 patients of unstable thoracolumbar burst fracture were treated by a short segment posterior instrumentation (pedicular screw plate/rod system), reduction and fusion in Kuala Lumpur and Universiti Kebangsaan Malaysia Hospital. Majority of them were young and in a productive age group (mean age were 30 year-old). The mean duration of follow-up was 24.4 months. The injuries were caused by fall from height (69%) and motor vehicle accident (31%). Most of the fracture occurred at 1st and 2nd lumbar vertebrae (24/26). Twelve of the patients did not have neurological deficits. Out of 14 patients with neurological deficits, 64.4% of them showed an improvement of at least one Frankel's grade. There was no defect correlation between canal compromise and neurological deficit. Kyphotic angle improved from 20 degrees to 7 degrees immediately after surgery. In the last follow-up average kyphotic angle was 9 degrees with average lost of 2 degrees. The average length of hospitalization following surgery was 24 days. A posterolateral bony fusion was achieved in all cases at an average of 3 months. Complication included 2 loosening and 3 misplacement of pedicle screw fixation. We concluded that short-segment fixation with posterolateral decompression and fusion is effective in the treatment of unstable thoracolumbar burst fracture.
    Matched MeSH terms: Spinal Fractures/surgery*
  11. Chan CY, Kwan MK, Saw LB
    Eur Spine J, 2010 Jan;19(1):78-84.
    PMID: 19763636 DOI: 10.1007/s00586-009-1157-8
    The objective of this cadaveric study is to determine the safety and outcome of thoracic pedicle screw placement in Asians using the funnel technique. Pedicle screws have superior biomechanical as well as clinical data when compared to other methods of instrumentation. However, misplacement in the thoracic spine can result in major neurological implications. There is great variability of the thoracic pedicle morphometry between the Western and the Asian population. The feasibility of thoracic pedicle screw insertion in Asians has not been fully elucidated yet. A pre-insertion radiograph was performed and surgeons were blinded to the morphometry of the thoracic pedicles. 240 pedicle screws were inserted in ten Asian cadavers from T1 to T12 using the funnel technique. 5.0 mm screws were used from T1 to T6 while 6.0 mm screws were used from T7 to T12. Perforations were detected by direct visualization via a wide laminectomy. The narrowest pedicles are found between T3 and T6. T5 pedicle width is smallest measuring 4.1 +/- 1.3 mm. There were 24 (10.0%) Grade 1 perforations and only 1 (0.4%) Grade 2 perforation. Grade 2 or worse perforation is considered significant perforation which would threaten the neural structures. There were twice as many lateral and inferior perforations compared to medial perforations. 48.0% of the perforations occurred at T1, T2 and T3 pedicles. Pedicle fracture occurred in 10.4% of pedicles. Intra-operatively, the absence of funnel was found in 24.5% of pedicles. In conclusion, thoracic pedicle screws using 5.0 mm at T1-T6 and 6.0 mm at T7-T12 can be inserted safely in Asian cadavers using the funnel technique despite having smaller thoracic pedicle morphometry.
    Matched MeSH terms: Spinal Fractures/etiology; Spinal Fractures/physiopathology; Spinal Fractures/prevention & control
  12. Borges JLC, Sousa da Silva M, Ward RJ, Diemer KM, Yeap SS, Lewiecki EM
    J Clin Densitom, 2019 07 10;22(4):484-488.
    PMID: 31375350 DOI: 10.1016/j.jocd.2019.07.005
    Vertebral fracture (VF) is the most common type of osteoporotic fracture. VFs are associated with a decline in quality of life and high morbidity and mortality. The presence of a VF is a significant risk factor for developing another fracture; however, most VFs are not clinically recognized and diagnosed. Vertebral fracture assessment by dual-energy X-ray absorptiometry is a low cost, low radiation, convenient, and reliable method to identify VFs. The finding of a previously unrecognized VF may change the assessment of fracture risk, diagnostic classification, and treatment strategies. Vertebral fracture assessment or radiographic lateral spine imaging should be repeated in patients with continued high risk for fracture (e.g., historical height loss >4 cm [>1.5 inches], self-reported but undocumented vertebral fracture, or glucocorticoid therapy equivalent to ≥5 mg of prednisone or equivalent per day for greater than or equal to 3 months).
    Matched MeSH terms: Spinal Fractures/diagnosis*
  13. Das S, Palaniandy K, Abu Bakar A, Idris Z, Abdullah JM
    Cureus, 2020 Feb 03;12(2):e6850.
    PMID: 32181085 DOI: 10.7759/cureus.6850
    Cervical spine injuries are rare occurrences in children, especially the congenital anomalies of the atlas vertebra. Any injury involving the craniovertebral junction such as Jefferson fracture, is a valid cause for alarm due to the complex nature of the craniovertebral junction and the morbidity associated with it. We report the case of a 10-year-old male, who had failure of fusion of anterior arch of atlas due to the failure of formation of the anterior midline synchondrosis, and this mimicked a Jefferson fracture. If it was not for the peculiar absence of any corresponding evidence to suggest spinal injury, we might have mistaken this extremely rare but benign anomaly for a Jefferson fracture and subjected the patient to needless surgical treatment. Hence, it is concluded that keen clinical acumen and clear understanding of the developmental anatomy of these patients may be necessary to adequately manage them.
    Matched MeSH terms: Spinal Fractures
  14. Hardcastle SA, Yahya F, Bhalla AK
    Osteoporos Int, 2019 May;30(5):939-948.
    PMID: 30671611 DOI: 10.1007/s00198-019-04842-w
    Mini Abstract: Pregnancy-associated osteoporosis (PAO) is a rare syndrome affecting women during late pregnancy and the early postpartum period. We set out to review the clinical features of ten cases of PAO from a single UK centre. Patients had attended the Royal National Hospital for Rheumatic Diseases, Bath (RNHRD) between January 2000 and June 2016. The principal criterion for inclusion was the occurrence of low trauma fractures either during pregnancy or the immediate post-partum period. Data were obtained from retrospective review of medical notes. Bone mineral density (BMD) was measured using dual-energy X-ray absorptiometry (Hologic ®Discovery system) at the lumbar spine and hip. Data pertaining to the pregnancy, as well as type and duration of treatment received, were reviewed. All ten cases presented with vertebral fractures. In four patients, no risk factors for fracture other than pregnancy or breastfeeding could be identified. Four patients were found to have vitamin D insufficiency at the time of diagnosis, and a further two patients had received treatment with low molecular weight heparin (LMWH). In one case, further investigation led to a diagnosis of osteogenesis imperfecta (OI) confirmed on genetic testing. In terms of treatment, eight out of the ten patients in this series received a bisphosphonate, most commonly risedronate due to its relatively short skeletal retention time. Clinicians should be aware of PAO, a rare but recognised complication of pregnancy. The condition should be especially considered in women presenting with new onset back pain in pregnancy or the postpartum period.
    Matched MeSH terms: Spinal Fractures/complications; Spinal Fractures/drug therapy; Spinal Fractures/physiopathology
  15. Tan BB, Chan CY, Saw LB, Kwan MK
    Indian J Orthop, 2012 Nov;46(6):710-3.
    PMID: 23325978 DOI: 10.4103/0019-5413.104235
    Unstable spine fractures commonly occur in the setting of a polytraumatized patient. The aim of management is to balance the need for early operative stabilization and prevent additional trauma due to the surgery. Recent published literature has demonstrated the benefits of early stabilization of an unstable spine fracture particularly in patients with higher injury severity score (ISS). We report two cases of polytrauma with unstable spine fractures stabilized with a minimally invasive percutaneous pedicle screw instrumentation system as a form of damage control surgery. The patients had good recovery from the polytrauma injuries. These two cases illustrate the role of minimally invasive stabilization, its limitations and technical pitfalls in the management of unstable spine fractures in the polytrauma setting as a form of damage control surgery.
    Matched MeSH terms: Spinal Fractures
  16. Hamid AKA
    Med J Malaysia, 1997 Sep;52(3):226-30.
    PMID: 10968090
    Matched MeSH terms: Spinal Fractures/epidemiology*; Spinal Fractures/therapy
  17. Chung WH, Eu WC, Chiu CK, Chan CYW, Kwan MK
    J Orthop Surg (Hong Kong), 2019 12 27;28(1):2309499019888977.
    PMID: 31876259 DOI: 10.1177/2309499019888977
    PURPOSE: To describe the reduction technique of thoracolumbar burst fracture using percutaneous monoaxial screws and its radiological outcomes compared to polyaxial screws.

    METHODS: All surgeries were performed by minimally invasive technique with either percutaneous monoaxial or percutaneous polyaxial screws inserted at adjacent fracture levels perpendicular to both superior end plates. Fracture reduction is achieved with adequate rod contouring and distraction maneuver. Radiological parameters were measured during preoperation, postoperation, and follow-up.

    RESULTS: A total of 21 patients were included. Eleven patients were performed with monoaxial pedicle screws and 10 patients performed with polyaxial pedicle screws. Based on AO thoracolumbar classification system, 10 patients in the monoaxial group had A3 fracture type and 1 had A4. In the polyaxial group, six patients had A3 and four patients had A4. Total correction of anterior vertebral height (AVH) ratio was 0.30 ± 0.10 and 0.08 ± 0.07 in monoaxial and polyaxial groups, respectively (p < 0.001). Total correction of posterior vertebral height (PVH) ratio was 0.11 ± 0.05 and 0.02 ± 0.02 in monoaxial and polyaxial groups, respectively (p < 0.001). Monoaxial group achieved more correction of 13° (62.6%) in local kyphotic angle compared to 8.2° (48.0%) in polyaxial group. Similarly, in regional kyphotic angle, 16.5° (103.1%) in the monoaxial group and 8.1° (76.4%) in the polyaxial group were achieved.

    CONCLUSIONS: Monoaxial percutaneous pedicle screws inserted at adjacent fracture levels provided significantly better fracture reduction compared to polyaxial screws in thoracolumbar fractures.

    Matched MeSH terms: Spinal Fractures/diagnosis; Spinal Fractures/surgery*
  18. Chung WH, Ng WL, Chiu CK, Chan C, Kwan MK
    Malays Orthop J, 2020 Nov;14(3):22-31.
    PMID: 33403059 DOI: 10.5704/MOJ.2011.005
    Introduction: This was a retrospective study aimed to investigate the perioperative outcomes of long construct minimally invasive spinal stabilisation (MISt) using percutaneous pedicle screws (PPS) versus conventional open spinal surgery in the treatment of spinal fracture in ankylosing spondylitis (AS) and diffuse idiopathic skeletal hyperostosis (DISH).

    Material and Methods: Twenty-one patients with AS and DISH who were surgically treated between 2009 and 2017 were recruited. Outcomes of interest included operative time, intra-operative blood loss, complications, duration of hospital stay and fracture union rate.

    Results: Mean age was 69.2 ± 9.9 years. Seven patients had AS and 14 patients had DISH. 17 patients sustained AO type B3 fracture and 4 patients had type B1 fracture. Spinal trauma among these patients mostly involved thoracic spine (61.9%), followed by lumbar (28.6%) and cervical spine (9.5%). MISt using PPS was performed in 14 patients (66.7%) whereas open surgery in 7 patients (33.3%). Mean number of instrumentation level was 7.9 ± 1.6. Mean operative time in MISt and open group was 179.3 ± 42.3 minutes and 253.6 ± 98.7 minutes, respectively (p=0.028). Mean intra-operative blood loss in MISt and open group was 185.7 ± 86.4ml and 885.7 ± 338.8ml, respectively (p<0.001). Complications and union rate were comparable between both groups.

    Conclusion: MISt using PPS lowers the operative time and reduces intra-operative blood loss in vertebral fractures in ankylosed disorders. However, it does not reduce the perioperative complication rate due to the premorbid status of the patients. There was no significant difference in the union rate between MISt and open surgery.

    Matched MeSH terms: Spinal Fractures
  19. Ong T, Sahota O, Gladman JRF
    Age Ageing, 2020 Oct 17.
    PMID: 33068103 DOI: 10.1093/ageing/afaa225
    INTRODUCTION: Acute vertebral fragility fracture requiring hospital admission is common, painful and disabling. No comprehensive clinical guideline for their care exists. To support the development of such a guideline, we sought the views of experts in the field.

    METHODS: A modified Delphi study was used. A total of 70 statements were presented, using an online platform, over three consensus-seeking rounds, to participants with experience in the hospital care of patients with acute vertebral fragility fractures from UK-based specialist societies. Participants rated the level of their agreement with each statement on a 5-point Likert scale. Consensus was defined at 70% of respondents choosing either agree/strongly agree or disagree/strong disagree. Over the first two rounds, statements not reaching consensus were modified in subsequent rounds, and new statements proposed by participants and agreed by the research team could be added.

    RESULTS: There were 71 participants in the first round, 37 in the second round and 28 (most of whom were geriatricians) in the third round. Consensus was reached in 52 statements covering fracture diagnosis, second-line imaging, organisation of hospital care, pain management and falls and bone health assessment. Consensus was not achieved for whether vertebral fragility fractures should be managed in a specific clinical area.

    DISCUSSION: These findings provide the basis for the development of clinical guidelines and quality improvement initiatives. They also help to justify research into the merits of managing acute vertebral fragility fracture patients in a specific clinical area.

    Matched MeSH terms: Spinal Fractures
  20. Chee, W.H., Ahmad, A.R.
    JUMMEC, 2018;21(2):59-63.
    MyJurnal
    Locked pubic symphysis is a rare form of pelvic injury that usually occurs after a lateral compression injury to
    the pelvis, where the intact pubis is trapped behind the contralateral pubis. To the best of our knowledge, there
    were 25 similar cases reported in the English literature since it was first described in 1952. We present a case
    of locked pubic symphysis with a left iliac wing fracture and a left femur shaft fracture requiring open reduction
    and internal fixation. We also reviewed previous reported cases of locked pubic symphysis and analysed the
    pattern of presentation and guide to management of such injuries. We propose a classification system for
    grading overlapping pubic symphysis that will provide a better guide to the management of such injuries.
    Matched MeSH terms: Spinal Fractures
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