Displaying publications 1 - 20 of 85 in total

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  1. Falavigna A, Dozza DC, Teles AR, Wong CC, Barbagallo G, Brodke D, et al.
    World Neurosurg, 2017 Dec;108:328-335.
    PMID: 28893693 DOI: 10.1016/j.wneu.2017.09.002
    OBJECTIVES: Patient-reported outcome measures (PROMs) are the most widely accepted means of measuring outcomes after spine procedures. We sought to determine the current status of worldwide use of PROMs in Latin America (LA), Europe (EU), Asia Pacific (AP), North America (NA), and Middle East (ME) to determine the barrier to its full implementation.

    METHODS: A questionnaire survey was sent by e-mail to members of AOSpine to evaluate their familiarity and use of PROMs instruments and to assess the barriers to their use in spine care practice in LA, EU, AP, NA, and ME.

    RESULTS: A total of 1634 AOSpine members from LA, EU, AP, NA, and ME answered the electronic questionnaire. The percentage of spine surgeons who were familiar with the generic health-related quality of life questionnaire was 71.7%. In addition, 31.9% of respondents did not use any PROMs routinely. The main barriers to implementing PROMs were lack of time to administer the questionnaires (57%) followed by lack of staff to assist in data collection (55%), and the long time to fill out the questionnaires (46%). The routine use of questionnaires was more frequent in NA and EU and less common in LA and ME (P < 0.001).

    CONCLUSIONS: We found that 31.9% of spine surgeons do not use the PROMs questionnaire routinely. This appears to occur because of lack of knowledge regarding their importance, absence of reimbursement for this extra work, minimal financial support for clinical research, the cost of implementation, and lack of concern among physicians.

    Matched MeSH terms: Spine/surgery*
  2. Ruhana Hassan, Nur Fatimah Mohd Azizi, Muhammad Amirul Arib Md Adzhar, Mohd Izwan Zulaini Abdul Gani, Rambli Ahmad, Charles Leh Moi Ung
    MyJurnal
    This study documented details of the dentitions, skulls and other skeletal remains of Crocodylus porosus and Tomistoma schlegelii, from western part of Sarawak, Malaysian Borneo. The remains of both reptiles were exhumed, followed by standard cleaning procedures and then detail morphological assessments were carried out accordingly. Both species show similar structure of vertebral columns, but T. schlegelii has the following unique structures: a long and narrower snout, D-shaped eye sockets, long and sharp pointed protruding quadratojugal bones, straight maxillae and dentary, a smooth surfaced skull, elongated triangular suborbital fenestrae, round shaped internal nares and visible supraoccipital from a dorsal view. C. porosus has heterodont dentition with blunt-pointed and irregular size of teeth whereas T. schlegelii has almost homodont dentition with sharp and similar size teeth. This is the first collection of teeth, skulls and other skeletal remains of both species obtained from Sarawak, and the materials have been used regularly to educate the public through science exhibitions, hoping they will spark the interests of young budding scientists to be involved in wildlife taphonomic studies in the future.
    Matched MeSH terms: Spine
  3. Asok T, Aziz S, Faisal HA, Tan AK, Mallika PS
    Med J Malaysia, 2009 Dec;64(4):323-4.
    PMID: 20954560 MyJurnal
    A 14 year old boy underwent a 7 hour long spinal surgery for scoliosis in the prone position. In the immediate postoperative period, he developed right proptosis, periorbital swelling, chemosis and total ophthalmoplegia. The vision in his right eye was only counting fingers and the intraocular pressure was 68 mmHg. Fundus examination revealed occlusion of the right central retinal artery. A rare manifestation of both vein and artery occlusion was possible in this patient as a result of external ocular compression due to a prolonged period in the prone position. This report highlights the importance of being aware of the possible complications of external ocular compression in non-ocular surgery.
    Matched MeSH terms: Spine/surgery*
  4. Chooi YS, Kamil OI, Fazir M, Kob SC
    Med J Malaysia, 2007 Mar;62(1):46-8.
    PMID: 17682570 MyJurnal
    An open biopsy has minimal sampling error, but is a major procedure, with its inherent complications and morbidity. The complications of paraspinal needle biopsy of vertebral lesions are well known. Needle biopsies have a high incidence of false negatives, especially for tumors. Percutaneous transpedicular bopsy is efficacious, safe, and cost effective, and mostly performed under local anesthesia. Fluoroscopic monitoring enables real time positioning of the needle. Serious needle complications from percutaneous needle biopsy are uncommon. More than 50% of vertebral body tissue, including the disc is accessible via a unilateral transpedicular approach and amenable for biopsy.
    Matched MeSH terms: Spine/pathology; Spine/surgery*
  5. Dorai AA, Halim AS, Zulmi W
    Med J Malaysia, 2004 Dec;59 Suppl F:42-6.
    PMID: 15941160
    Reconstructive surgeons often encounter complex soft tissue and skeletal defects following oncological surgery. Soft tissue defects after wide resection in upper extremities posses a difficult challenge to find adequate tissue for reconstructing these defects. Paucity of local tissues dictates the requirement of loco-regional or distant flaps for these complex soft tissue defects which often exposes tendons, bones, nerves and joints. The latissimus dorsi muscle is a near ideal flap for the reconstruction because of the long neurovascular pedicle, ease of mobilization and its expendability. It can be rotated, with or without overlying skin, to cover soft tissue defects of the shoulder arm and elbow. Due to the large size of the muscle, it can be used to resurface the soft tissue defects and cover all major structures. Eleven consecutive cases were reviewed in which latissimus dorsi myocutaneous flap was used to reconstruct soft tissue defects of the upper limb following radical tumor resection. Flap survival was 100% with nominal donor site morbidity.
    Matched MeSH terms: Spine
  6. Harwant S
    Med J Malaysia, 2001 Jun;56 Suppl C:80-5.
    PMID: 11814258
    Neurological deficit after surgery for spinal deformity is a rare but devastating complication. Factors that have been associated with a post surgical deficit are congenital curves, large curves, kyphotic deformities, anterior and posterior surgery, ligation of multiple anterior vessels and hypotension; controlled or otherwise. Intra operative wake up tests have been used alone or in combination with spinal cord monitoring: to detect evolving neurological deficit in spinal deformity surgery. Despite these checks, major neurological deficits still occur post surgery. This is a report of two cases with normal intra operative wake up tests, but developed neurological deficit twelve hours after the end of surgery.
    Matched MeSH terms: Spine/abnormalities*; Spine/radiography; Spine/surgery*
  7. Lim HH, Ong CH
    Med J Malaysia, 2001 Jun;56 Suppl C:41-5.
    PMID: 11814248
    The Pedriolle torsion meter is an established method of vertebral rotation assessment in scoliosis. However, the assessment of scoliosis by this method is static and indirect. The objective of this study is to compare the accuracy of a direct method of assessing scoliosis rotation by fluoroscopy compared to the Pedriolle torsion meter. Secondly, to determine that vertebral body rotation changes with supine posture compared to erect position. Eight volunteers with idiopathic scoliosis were assessed for the apical vertebral rotation with this method and the Pedriolle torsion meter. These patients were also assessed in the supine and erect position with the fluoroscopic method to determine if the apical vertebral rotation would change with posture. The mean Cobb angle of the curves was 62.8 degrees (range 45 degrees to 86 degrees). The mean apical vertebral rotation in a standing position was assessed to be 21.5 degrees by Pedriolle torsion meter and 29 degrees by the fluoroscopic method. This difference was not statistically significant by the student t-test. In most patient, the rotation of vertebrae improved by a varying degree ranging from none to 24 degrees in the supine position. In conclusion, the fluoroscopic method is an alternate mean of measuring vertebrae rotation in idiopathic scoliosis, with comparable accuracy to the Pedriolle torsion meter method. The amount of vertebral rotation changes with posture of the patient.
    Matched MeSH terms: Spine/physiopathology*; Spine/radiography*
  8. Chuah SL, Kareem BA, Selvakumar K, Oh KS, Borhan Tan A, Harwant S
    Med J Malaysia, 2001 Jun;56 Suppl C:37-40.
    PMID: 11814247
    We studied the curve progression of untreated curves presenting to the Scoliosis Service of Hospital Kuala Lumpur. One hundred and fifty-two (152) patients were included in this study. The median rate of curve progression of idiopathic scoliosis curves was 7.03 degrees per year, for neuromuscular scoliosis curves was 17.39 degrees per year; and congenital scoliosis curves were 3.67 degrees per year. These rates are similar to the reported rates in the literature. Data for sixty-one (61) surgically treated patients were reviewed to determine the early curve correction of the curves of different aetiology. The mean age of surgery was 14.15 years old, the mean preoperative curve size was 71.61 degrees; and the mean postoperative curve size was 43.78 degrees. The mean duration of follow up after surgery was 2.44 years. The revision and removal of instrumentation rate was 8.3%.
    Matched MeSH terms: Spine/physiopathology; Spine/radiography; Spine/surgery
  9. Chin KW, Chin NM, Chin MK
    Med J Malaysia, 1994 Jun;49(2):142-8.
    PMID: 8090093
    Three millilitres of plain 0.5% bupivacaine were injected intrathecally at two different spinal interspaces (L2/3 and L4/5) and at two different speeds (15 and 30 sec) in four groups of ten patients. Injection at L2/3 over 15 sec produced a significantly higher mean maximum spread of analgesia (T6.4) when compared to injection at L4-5 over 15 sec (T10.3) (P < 0.05). Over the same interspace L2/3, injection over 15 sec also produced a higher level of spread as compared to the 30 sec group (p < 0.05). At 15 min there was a greater fall in blood pressure in the L2/3 15 sec group when compared to the other groups (p < 0.01). There was a further decrease in the blood pressure in L2/3 15 sec and L4/5 30 sec groups after 30 minutes of blockade (p < 0.01). Therefore close monitoring of cardiovascular parameters must be continued for at least 30 min in spinal anaesthesia with bupivacaine.
    Matched MeSH terms: Spine/anatomy & histology
  10. Fan YF, Chong VF
    Med J Malaysia, 1995 Mar;50(1):76-81.
    PMID: 7752981
    The failed back surgery syndrome (FBSS) is a difficult diagnostic problem both clinically and radiologically. Forty-three patients were evaluated prospectively with magnetic resonance imaging (MRI) and forty-five scans were obtained. Fifteen patients (33%) showed recurrent disc prolapse; 15 (33%) patients postoperative epidural fibrosis; 8 (18%) both recurrent disc prolapse and epidural scarring; 4 (9%) patients spinal stenosis, 2 whom also had both epidural fibrosis and recurrent disc prolapse; 2 (4%) normal scans; 2 (4%) patients arachnoiditis and 1 (2%) patient postoperative pseudomeningocoele formation. Gadolinium-diethylenetriaminepenta-acetic acid (Gd-DTPA)-enhanced MRI was particularly helpful in differentiating recurrent disc prolapse and epidural fibrosis. Surgical findings in 11 patients were available. MRI correctly predicted recurrent disc prolapse in 6 patients, epidural fibrosis in 4 patients and spinal stenosis in 1 patient illustrating the value of this modality in the evaluation of FBSS.
    Matched MeSH terms: Spine/surgery*
  11. Harwant S
    Med J Malaysia, 2001 Dec;56 Suppl D:48-53.
    PMID: 14569767
    Non-traumatic, progressing sagittal plane deformities are uncommon, but can lead to neurological deficit if untreated. The currently used Cobb method in assessing sagittal spinal curves is based on measuring the tilt of the end vertebrae. This study describes a method which quantifies the apex of the sagittal curve based on the apical quality as measured by the radius of curvature. Both this and the Cobb methods are compared to determine which has relevance in determining neurological deficit. Radiographs of 36 consecutive patients diagnosed with congenital kyphosis were reviewed. Twenty-four had normal neurology and 12 had neurological deficit as a result of sagittal curve progression. Both groups of patients had their weight bearing lateral radiographs analysed to measure the sagittal curve by the usual Cobb method and the Radius of Curvature method. There was no difference for the Cobb values for negative neurology and patients with positive neurological deficit (p = 0.3). There was a difference in these two groups when the radius of curvature method was used (p < 0.0005). The Radius of Curvature method has more relevance than Cobb method in quantifying sagittal plane deformity in congenital kyphosis when assessing neurological deficit.
    Matched MeSH terms: Spine/physiopathology; Spine/radiography
  12. Ab Mumin N, Azman RR, Chan WY
    Med J Malaysia, 2019 Jun;74(3):240-242.
    PMID: 31256183
    In central venous obstruction, vertebral marrow enhancement (VME) may be seen secondary to collateral venous flow via the vertebral venous plexus.1 There are only sporadic case reports on pseudolesions due to collateral enhancement mimicking sclerotic osseous metastasis. This abnormal vertebral enhancement may lead to erroneous diagnosis of sclerotic metastases or suspicious bone lesion which affect the management and prognosis. We describe a case of brachiocephalic vein obstruction-related vertebral body pseudolesions as identified in contrast-enhanced computed tomography (CECT) scan.
    Matched MeSH terms: Spine
  13. Soo KC, Lee KS, Ooi SY, Darwina A, Sannasey S, Lee HG
    Med J Malaysia, 2021 03;76(2):251-253.
    PMID: 33742639
    Melioidosis is endemic in the State of Sabah, Malaysia. We report a case of a 34-year-old man with one-week history of fever and cough, three days history of diarrhoea and vomiting, which was associated with a loss of appetite and loss of weight for one-month. Clinically, he had hepatosplenomegaly and crepitation over his right lower zone of lung. Chest radiograph showed right lower lobe consolidation. Ultrasound abdomen showed liver and splenic abscesses. Ultrasound guided drainage of splenic abscess yielded Burkholderia pseudomallei. Magnetic resonance imaging (MRI) lumbosacral confirmed right sacral intraosseous abscess after he developed back pain a week later. He received 6 weeks of intravenous antibiotics and oral co-trimoxazole, followed by 6 months oral co-trimoxazole and had full recovery.
    Matched MeSH terms: Spine
  14. Chiu CK, Chong KI, Chan TS, Mohamad SM, Hasan MS, Chan CYW, et al.
    Med J Malaysia, 2020 01;75(1):12-17.
    PMID: 32008013
    INTRODUCTION: This study looked into the different anatomical locations of pain and their trajectories within the first two weeks after Posterior Spinal Fusion (PSF) surgery for Adolescent Idiopathic Scoliosis (AIS).

    METHODS: We prospectively recruited patients with Adolescent Idiopathic Scoliosis (AIS) scheduled for PSF surgery. The anatomical locations of pain were divided into four: (1) surgical wound pain; (2) shoulder pain; (3) neck pain; and (4) low back pain. The anatomical locations of pain were charted using the visual analogue pain score at intervals of 12, 24, 36, 48 hours; and from day-3 to -14. Patient-controlled analgesia (morphine), use of celecoxib capsules, acetaminophen tablets and oxycodone hydrochloride capsule consumption were recorded.

    RESULTS: A total of 40 patients were recruited. Patients complained of surgical wound pain score of 6.2±2.1 after surgery. This subsequently reduced to 4.2±2.0 by day-4, and to 2.4±1.3 by day-7. Shoulder pain scores of symptomatic patients peaked to 4.2±2.7 at 24 hours and 36 hours which then reduced to 1.8±1.1 by day-8. Neck pain scores of symptomatic patients reduced from 4.2±1.9 at 12 hours to 1.8±1.1 by day-4. Low back pain scores of symptomatic patients reduced from 5.3±2.3 at 12 hours to 1.8±1.1 by day- 12.

    CONCLUSIONS: Despite the presence of different anatomical locations of pain after surgery, surgical wound was the most significant pain and other anatomical locations of pain were generally mild. Surgical wound pain reduced to a tolerable level by day-4 when patients can then be comfortably discharged. This finding provides useful information for clinicians, patients and their caregivers.

    Matched MeSH terms: Spine/anatomy & histology*
  15. Noor Khairiah AK, Mohamad Nazrulhisham MN, John G
    Med J Malaysia, 2018 04;73(2):116-118.
    PMID: 29703878 MyJurnal
    Primary osteosarcoma of the spine is indeed rare and only several sporadic cases have been reported. It tends to occur in a slightly older age group than those with appendicular skeleton tumours. We present here an unusual case of aggressive lumbosacral osteosarcoma in a young teenager complicated by extensive dural spread, skip lesions and intravascular extension. Although a histopathological examination is mandatory to establish the diagnosis, this case emphasises the need of imaging to ascertain the full extent of disease spread especially in deciding the type of treatment to be instituted and to evaluate the response to the treatment.
    Matched MeSH terms: Spine
  16. Azurah AG, Zainuddin AA, Jayasinghe Y
    J Reprod Med, 2013 Jul-Aug;58(7-8):324-36.
    PMID: 23947083
    Amenorrhea is a common menstrual problem seen in adolescents. Amenorrhea has been shown to have a negative impact on adolescents' quality of life. In this paper we discuss the various causes and investigations of amenorrhea in adolescents and address management dilemmas for specific conditions. Specific approaches in dealing with adolescents using the HEADSS (Home, Education, Activity, Drugs, Sexual activity, Suicidal) approach are discussed.
    Matched MeSH terms: Spine/abnormalities
  17. Lo TS, Al-Kharabsheh AM, Tan YL, Pue LB, Hsieh WC, Uy-Patrimonio MC
    Taiwan J Obstet Gynecol, 2017 Dec;56(6):793-800.
    PMID: 29241922 DOI: 10.1016/j.tjog.2017.10.016
    OBJECTIVE: To compare the clinical efficacy, recurrence, complications and quality of life changes 3 years after Elevate-A/single incision mesh surgery anterior apical (SIM A) and sacrospinous ligament fixation (SSF) in the management of pelvic organ prolapse (POP).

    MATERIALS AND METHODS: A prospective cohort study, 139 women, underwent transvaginal surgery for anterior and/or apical POP > stage 2, 69 patients had SIM A and 70 patients had SSF. The objective cure was defined as POP ≤ stage 1 anterior, apical according to POP-Q. Subjective cure is patient's negative feedback to question 2 and 3 of pelvic organ prolapse distress inventory 6 (POPDI-6). Patient's satisfaction was reported using validated quality of life questionnaires. Multi-channel urodynamic study was used to report any voiding problems related to the prolapse surgery 6 months after surgery.

    RESULTS: 119 patients completed a minimum of 3 years follow-up. 89.8% is the overall prolapse correction success rate for SIM A and 73.3% for SSF group (p = 0.020), and 96.6% versus 73.4% at the anterior vaginal compartment respectively (p ≤ 0.001). Statistically significant difference was noticed in apical compartment with 98.3% with SIM A and 85.0% with SSF (p = 0.009). The subjective success rate, 86.4% in the SIM A and 70.0% in the SSF arm (p = 0.030) was significantly noted. Only, Pelvic Organ Prolapse Distress Inventory-6 (POPDI-6) showed significant improvement. Operation time and intra-operative blood loss tend to be more with SIM A.

    CONCLUSION: SIM A has better 3 years objective and subjective cure rate than SSF in the anterior and/or apical compartment prolapse.

    Matched MeSH terms: Spine/surgery*
  18. Yusof MI, Hassan E, Rahmat N, Yunus R
    Spine (Phila Pa 1976), 2009 Apr 1;34(7):713-7.
    PMID: 19333105 DOI: 10.1097/BRS.0b013e31819b2159
    Pedicle involvement in spinal tuberculosis (TB), the prevertebral abscess formation, severity of vertebral body, and disc collapse were evaluated from magnetic resonance imaging (MRI) of the patients.
    Matched MeSH terms: Spine/anatomy & histology; Spine/pathology*; Spine/physiopathology
  19. Singh TS, Yusoff AH, Chian YK
    Spine (Phila Pa 1976), 2015 Aug 1;40(15):E866-72.
    PMID: 25996539 DOI: 10.1097/BRS.0000000000000985
    In vitro animal cadaveric study.
    Matched MeSH terms: Spine/surgery*
  20. Cheung JPY, Yiu KKL, Samartzis D, Kwan K, Tan BB, Cheung KMC
    Spine (Phila Pa 1976), 2018 04 01;43(7):E399-E405.
    PMID: 28767632 DOI: 10.1097/BRS.0000000000002358
    STUDY DESIGN: Prospective study.

    OBJECTIVE: To identify the factors that are associated with rod slippage and to study the pattern of achieved length gain with a standard distraction methodology.

    SUMMARY OF BACKGROUND DATA: Ability to achieve successful magnetically controlled growing rod (MCGR) distraction is crucial for gradual spine lengthening. Rod slippage has been described as a failure of internal magnet rotation leading to a slippage and an inability to distract the rod. However, its onset, significance, and risk factors are currently unknown. In addition, how this phenomenon pertains to actual distracted lengths is also unknown.

    METHODS: A total of 22 patients with MCGR and at least six distraction episodes were prospectively studied. Patients with rod slippage occurring less than six distraction episodes were considered early rod slippage whereas those with more than six episodes or have yet to slip were grouped as late rod slippage. The association of parameters including body habitus, maturity status, age of implantation, total number of distractions, months of distraction from initial implantation, initial and postoperative Cobb angle, T1-T12, T1-S1, T5-T12 kyphosis, curve flexibility, instrumented length, and distance between magnets in dual rods and between the magnets and apex of the curve with early or late onset of rod slippage were studied. Differences between expected and achieved distraction lengths were assessed with reference to rod slippage episodes and rod exchanges to determine any patterns of diminishing returns.

    RESULTS: Patients had mean age of 7.1 years at diagnosis with mean follow-up of 49.8 months. A mean 32.4 distractions were performed per patient. Early rod slippage occurred in 14 patients and late rod slippage occurred in eight patients. Increased height, weight, body mass index, older age, increased T1-12 and T1-S1 lengths, and less distance between magnets were significantly associated with early rod slippage. Expected distraction lengths did not translate to achieve distraction lengths and reduced gains were only observed after achieving one-third of the allowable distracted length in the MCGR. Length gains return to baseline after rod exchange.

    CONCLUSION: This is the first study to specifically analyze the impact of rod slippage on distraction lengths and the risk factors associated with its onset and frequency. Increased body habitus and reduced distance between internal magnets significantly influenced rod slippage events. Diminishing returns in distracted length gains were only observed after a period of usage.

    LEVEL OF EVIDENCE: 3.

    Matched MeSH terms: Spine/surgery*
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