Displaying publications 1 - 20 of 734 in total

  1. Man MY, Ong MS, Mohamad MS, Deris S, Sulong G, Yunus J, et al.
    Malays J Med Sci, 2015 Dec;22(Spec Issue):9-19.
    PMID: 27006633 MyJurnal
    Neuroimaging is a new technique used to create images of the structure and function of the nervous system in the human brain. Currently, it is crucial in scientific fields. Neuroimaging data are becoming of more interest among the circle of neuroimaging experts. Therefore, it is necessary to develop a large amount of neuroimaging tools. This paper gives an overview of the tools that have been used to image the structure and function of the nervous system. This information can help developers, experts, and users gain insight and a better understanding of the neuroimaging tools available, enabling better decision making in choosing tools of particular research interest. Sources, links, and descriptions of the application of each tool are provided in this paper as well. Lastly, this paper presents the language implemented, system requirements, strengths, and weaknesses of the tools that have been widely used to image the structure and function of the nervous system.
  2. Raffiq A, Abdullah JM, Haspani S, Adnan JS
    Malays J Med Sci, 2015 Dec;22(Spec Issue):5-8.
    PMID: 27006632 MyJurnal
    The development of neurosurgical services and training in Malaysia began in 1963, with the first centre established in its capital city at Hospital Kuala Lumpur, aimed to provide much needed neurosurgical services and training in the field of neurology and neurosurgery. This center subsequently expanded in 1975 with the establishment of the Tunku Abdul Rahman Neuroscience Institute (IKTAR); which integrated the three allied interdependent disciplines of neurosurgery, neurology and psychiatry. The establishment of this institute catalysed the rapid expansion of neurosurgical services in Malaysia and paved the way for development of comprehensive training for doctors, nurses, and paramedics. This culminated in the establishments of a local comprehensive neurosurgery training program for doctors in 2001; followed by a training program for nurses and paramedics in 2006. To date, there are more than 60 neurosurgeons providing expert care in 11 centers across Malaysia, along with trained personnel in the field of neurosciences.
  3. Ilmie MU, Mansor SM, Abdullah JM
    Malays J Med Sci, 2015 Dec;22(Spec Issue):45-51.
    PMID: 27006637 MyJurnal
    BACKGROUND: Mitragyna speciosa (MS) or ketum is primarily found in Southeast Asia, particularly in northern Malaysia and Thailand. The medicinal value of this plant has attracted significant attention from both herbal medicine practitioners and scientists worldwide. Despite having illegal consumption status, the plant merits study. We conducted a series of experiments to test our hypothesis that ketum impairs both learning and memory in rats.
    METHODS: Ketum leaves were extracted using methanol and standardised for the amount of its pure compound, mitragynine. Rats were divided into groups for a passive avoidance task and long-term potentiation (LTP) extracellular recording. In the extracellular recording condition, rats were grouped into control, MS100 (100 mg/kg of ketum extract), MS200 (200 mg/kg of ketum extract), and MS500 (500 mg/kg of ketum extract) groups. An additional group that received morphine was included in the passive avoidance task (10 mg/kg), and there were six animals per group. Rats received daily treatments orally for 28 days for both experiments.
    RESULT: Using a passive avoidance task, our data revealed that the rats' memory significantly increased with increasing doses of MS compared to the morphine-treated group. Our findings from LTP recordings showed that LTP was fully blocked by the higher doses of MS.
    CONCLUSION: We speculate on the possibility that additional factors were involved in the passive avoidance task because it was an in vivo animal study, while the LTP experiment solely involved brain slices.
  4. Noh NA, Fuggetta G, Manganotti P
    Malays J Med Sci, 2015 Dec;22(Spec Issue):36-44.
    PMID: 27006636 MyJurnal
    Transcranial magnetic stimulation (TMS) is a non-invasive tool that is able to modulate the electrical activity of the brain depending upon its protocol of stimulation. Theta burst stimulation (TBS) is a high-frequency TMS protocol that is able to induce prolonged plasticity changes in the brain. The induction of plasticity-like effects by TBS is useful in both experimental and therapeutic settings; however, the underlying neural mechanisms of this modulation remain unclear. The aim of this study was to investigate the effects of continuous TBS (cTBS) on the intrahemispheric and interhemispheric functional connectivity of the resting and active brain.
  5. Wan Mohamed WN, Che Din N, Ibrahim N
    Malays J Med Sci, 2015 Dec;22(Spec Issue):29-35.
    PMID: 27006635
    A cross-sectional study was carried out at a medical centre to determine the cognitive profiles of 30 Parkinson's disease patients with age of 69.76 ± 7.39 years. Thirty-seven percent of the patients were found to be at risk for dementia. The scores on subscales of working memory and alternating verbal fluency were significantly lower in Parkinson's disease patients who were older than 77 years old. The scores on a subtest of working memory on the Parkinson's Disease Cognitive Rating Scale (PDCRS) were significantly lower in Parkinson's disease patients with a duration of illness of more than 10 years. In cognitive measurement, the subtests of verbal memory, delayed free recall and verbal fluency on the PD¬CRS were significantly lower in patients with less than six years of education. The patients who had difficulty with sustained attention, working memory and movement had significant anxiety and depression symptoms. In conclusion, multiple patterns in cognitive profiles influence the quality of life of patients with Parkinson's disease in multi-dimensional ways.
  6. Omar H, Ahmad AL, Hayashi N, Idris Z, Abdullah JM
    Malays J Med Sci, 2015 Dec;22(Spec Issue):20-8.
    PMID: 27006634 MyJurnal
    Magnetoencephalography (MEG) has been extensively used to measure small-scale neuronal brain activity. Although it is widely acknowledged as a sensitive tool for deciphering brain activity and source localisation, the accuracy of the MEG system must be critically evaluated. Typically, on-site calibration with the provided phantom (Local phantom) is used. However, this method is still questionable due to the uncertainty that may originate from the phantom itself. Ideally, the validation of MEG data measurements would require cross-site comparability.
  7. Abdullah JM
    Malays J Med Sci, 2015 Dec;22(Spec Issue):1-4.
    PMID: 27006631
    12 months ago the first Neuroscience special issue of the Malaysia Journal of Medical Sciences was born with the intention to increase the number of local publication dedicated to neurosciences. Since then many events happened in the neuroscience world of Malaysia, those considered major were the establishment of a Neurotechnology Foresight 2050 task force by the Academy of Medicine Malaysia as well as the launching of Malaysia as the 18th member to join the International Neuroinformatics Coordinating Facility on the 9th October 2015 which was officiated by the Deputy Ministers of Higher Education, Datuk Mary Yap.
  8. Arumugam A, A Rahman NA, Theophilus SC, Shariffudin A, Abdullah JM
    Malays J Med Sci, 2015 Dec;22(Spec Issue):62-71.
    PMID: 27006639 MyJurnal
    Mortality and morbidity associated with intracerebral hemorrhage is still high. Up to now, there are no evidence-based effective treatments for acute ICH. This study is to assess the effect of tranexamic acid (TXA) on hematoma growth of patients with spontaneous ICH compared to a placebo.
  9. Daher AM, Ahmad SH, Winn T, Selamat MI
    Malays J Med Sci, 2015 May-Jun;22(3):48-55.
    PMID: 26715896 MyJurnal
    BACKGROUND: Few studies have employed the item response theory in examining reliability. We conducted this study to examine the effect of Rating Scale Categories (RSCs) on the reliability and fit statistics of the Malay Spiritual Well-Being Scale, employing the Rasch model.
    METHODS: The Malay Spiritual Well-Being Scale (SWBS) with the original six; three and four newly structured RSCs was distributed randomly among three different samples of 50 participants each.
    RESULTS: The mean age of respondents in the three samples ranged between 36 and 39 years old. The majority was female in all samples, and Islam was the most prevalent religion among the respondents. The predominating race was Malay, followed by Chinese and Indian. The original six RSCs indicated better targeting of 0.99 and smallest model error of 0.24. The Infit Mnsq (mean square) and Zstd (Z standard) of the six RSCs were "1.1"and "-0.1"respectively. The six RSCs achieved the highest person and item reliabilities of 0.86 and 0.85 respectively. These reliabilities yielded the highest person (2.46) and item (2.38) separation indices compared to other the RSCs.
    CONCLUSION: The person and item reliability and, to a lesser extent, the fit statistics, were better with the six RSCs compared to the four and three RSCs.
    KEYWORDS: analysis; rating scale; reliability; spirituality
  10. Abdullah JM
    Malays J Med Sci, 2015 May-Jun;22(3):1-6.
    PMID: 26715890
    16 years have passed since the idea was mooted in 1999 by five neurosurgeons in the corridors of Hotel Perdana, Kota Bharu. They were Dato' Dr Johari Siregar Bin Adnan, Dato' Professor Dr Ahmad Zubaidi Abdul Latif , Dr Azmin Kass Bin Rosman, Dato' Dr Mohammed Saffari Bin Mohammed Haspani and Professor Dato' Dr Jafri Malin Abdullah. They initiated the beginning of the first programme in Neurosurgery in Malaysia. The rest is history.
  11. Cheng ML, Nording H, Lim CH
    Malays J Med Sci, 2015 May-Jun;22(3):71-4.
    PMID: 26715900 MyJurnal
    Emphysematous pyelonephritis is a rare life-threatening condition caused by a severe acute necrotising infection of the renal parenchyma and its perinephric tissues, and it is commonly seen in diabetic patients. There is a rare association between emphysematous pyelonephritis and hepatic portal venous gas. Hepatic portal venous gas is an uncommon radiological finding, which implies a significant underlying abdominal disease. The management of emphysematous pyelonephritis has evolved from prompt nephrectomy to medical therapy. In the present report, we present a case of a diabetic woman diagnosed with bilateral emphysematous pyelonephritis with hepatic portal venous gas that was successfully managed medically despite the presence of poor prognostic factors, such as acute renal failure and thrombocytopenia.
  12. Azizam NA, Shamsuddin K
    Malays J Med Sci, 2015 May-Jun;22(3):56-64.
    PMID: 26715897 MyJurnal
    BACKGROUND: There is growing interest in research on patient satisfaction with healthcare provider (HCP) communication as a measure of healthcare quality and HCPs' communication competency. This study aimed to determine the levels of patient satisfaction with healthcare provider-patient communication (HCP-PC) and its associated factors at the outpatient clinic at Hospital Kuala Lumpur.
    METHODS: A cross-sectional study was conducted on a convenience sample in July 2012 using self-administered questionnaires for the data collection. Both overall and domain-specific satisfaction were measured, with the three domains being exchanging information (EI), socio-emotional behaviour (SB), and communication style (CS).
    RESULTS: The findings show that 92.8% of the 283 respondents were satisfied with overall HCP-PC, 89.5% with EI, 91.3% with SB, and 72.2% with CS. Satisfaction was statistically higher among Malays for CS and higher among those with low education and poor health for EI, SB and CS. EI and overall communication satisfaction were also higher among patients who reported short wait times, and patients who were in gender concordance with their HCPs showed higher SB satisfaction.
    CONCLUSION: Basic and continuous communication skills training and patient activation programs should be established to increase patient satisfaction. Health information technology use should be actively promoted to allow for structured and standardised information exchange between HCPs and patients.
    KEYWORDS: communication; patient satisfaction; primary care

    Study site: outpatient clinic at Hospital Kuala Lumpur
    Azizam NA, Shamsuddin K
  13. Wan Ismail WF
    Malays J Med Sci, 2015 Jul-Aug;22(4):1-5.
    PMID: 26715902
    The management of musculoskeletal tumours has progressed tremendously over the past few decades. Limb salvage surgery has become a standard practise without compromising the oncological outcome. Patients generally will benefit with superior function and a better quality of life compared with definitive amputation. The multidisciplinary approach and advancement of surgeries are important to achieve patient survival and optimum function.
  14. Wong YP, Tan GC, Aziz S, Pongprakyun S, Ismail F
    Malays J Med Sci, 2015 Jul-Aug;22(4):76-80.
    PMID: 26715912 MyJurnal
    Overexpression of beta-human chorionic gonadotropin (β-hCG) is frequently associated with germ cell tumours, especially choriocarcinoma. Ectopic secretion of β-hCG by non-small cell lung cancer is exceptional. We present an exceedingly rare case of pulmonary adenocarcinoma that secretes β-hCG. Our patient is a 62-year-old postmenopausal woman, a nonsmoker, who presented with a six-month history of progressive dyspnoea, associated with decreased appetite and significant weight loss. Her serum β-hCG was very high (11211.9 mIU/ml), which prompted investigations to exclude germ cell tumour. Radiological imaging revealed a 10-cm right lung mass with adrenal metastasis. No other focal lesions were detected. Microscopy of the lung biopsy specimen showed replacement of normal lung tissue by sheets of malignant cells, forming vague glands in some areas. Immunohistochemically, the malignant cells showed focal immunopositivity for thyroid transcription factor 1 (TTF-1), napsin A, cytokeratin 7 (CK7) and β-hCG. A diagnosis of β-hCG-secreting pulmonary poorly differentiated adenocarcinoma was rendered. Serum β-hCG level decreased significantly to 168.6 mIU/ml after the first cycle of chemotherapy. In conclusion, β-hCG expression in lung cancer should be recognised to facilitate prompt diagnosis and initiation of appropriate intervention.
  15. Habib Khan Y, Sarriff A, Hayat Khan A, Azreen Syazril A, Mallhi TH
    Malays J Med Sci, 2015 Jul-Aug;22(4):73-5.
    PMID: 26715911 MyJurnal
    Infective endocarditis (IE) is the one of the most important causes of increased mortality and morbidity among haemodialysis patients. The reason for this increasing prevalence of infection among these patients is the use of haemodialysis catheters during dialysis, as these patients are highly susceptible to infections that are easily transmitted via blood access points. The present case was a geriatric end stage renal disease (ESRD) patient who was readmitted to the hospital two days after her scheduled haemodialysis session with symptoms of nosocomial endocarditis. Her concurrent medical complications were hypertension, non-insulin dependent diabetes mellitus, and ischemic heart disease. Based on her previous medical history and current examination, the patient was suspected to have IE due to catheter related infection. The goal of therapy is to manage the comorbidities and infection by provision of appropriate treatment based on close monitoring of the patient condition.
  16. Abdullah Suhaimi SN, Nazri N, Nani Harlina ML, Md Isa N, Muhammad R
    Malays J Med Sci, 2015 Jul-Aug;22(4):69-72.
    PMID: 26715910 MyJurnal
    Papillary thyroid carcinoma (PTC) associated with familial adenomatous polyposis (FAP) is rare. It is usually associated with the cribriform-morular variant of PTC, with unusual patterns on detailed histology examination. This variant is known to have a good prognosis. Papillary thyroid carcinoma associated with FAP commonly occurs in females in their 30s and rarely in the elderly. We report a case of a 69-year-old female presenting with thyroid swelling and a history of FAP.
  17. Mohd Ibrahim SD, Muda M
    Malays J Med Sci, 2015 Jul-Aug;22(4):64-8.
    PMID: 26715909 MyJurnal
    Sekolah Menengah Sains Tengku Muhammad Faris Petra (SMSTMFP) and Sekolah Kebangsaan Kubang Kerian (3) (SKKK3) were selected by the Department of Neurosciences, Universiti Sains Malaysia (USM), in 2011 to be a 'school-based Neuroscience Club' via the 'Knowledge Transfer Programme (KTP) - Community' project. This community project was known as "The Brain Apprentice Project". The objectives of this project were to promote science and the neurosciences beyond conventional classroom teachings whilst guiding creativity and innovation as well as to assist in the delivery of neuroscience knowledge through graduate interns as part of the cultivation of neuroscience as a fruitful future career option. All of the planned club activities moulded the students to be knowledgeable individuals with admirable leadership skills, which will help the schools produce more scientists, technocrats and professionals who can fulfil the requirements of our religion, race and nation in the future. Some of the activities carried out over the years include the "My Brain Invention Competition", "Mini Brain Bee Contest", "Recycled Melody" and "Brain Dissection". These activities educated the students well and improved their confidence levels in their communication and soft skills. The participation of the students in international-level competition, such as the "International Brain Bee", was one of the ways future professionals were created for the nation. The implementation of Neuroscience Club as one of the organisations in the school's cocurriculum was an appropriate step in transferring science and neuroscience knowledge and skills from a higher education institution, namely USM, to both of the schools, SMSTMFP and SKKK3. The club members showed great interest in all of the club's activities and their performance on the Ujian Pencapaian Sekolah Rendah (UPSR) or Primary School Achievement Test and Sijil Pelajaran Malaysia (SPM) or Malaysian Certificate of Education examinations improved tremendously.
  18. Lye JL, Soon LK, Wan Ahmad WA, Tan SC
    Malays J Med Sci, 2015 Jul-Aug;22(4):23-31.
    PMID: 26715905 MyJurnal
    Stem cell research has been extensively explored worldwide to enhance human health in medical setting. Nevertheless, there is currently no full understanding of the stem cell knowledge and attitude levels among student nurses in Malaysia. This study aimed to assess the level of stem cell knowledge, attitude toward stem cell application in medicine, and its association with years of education, among Universiti Sains Malaysia (USM) undergraduate nursing students.
  19. Badrasawi M, Shahar S, Sagap I
    Malays J Med Sci, 2015 12 31;22(4):6-16.
    PMID: 26715903 MyJurnal
    The management of Enterocutaneous fistula (ECF) is challenging. It remains associated with morbidity and mortality, despite advancements in medical and surgical therapies. Early nutritional support using parenteral, enteral or fystuloclysis routs is essential to reverse catabolism and replace nutrients, fluid and electrolyte losses. This study aims to review the current literature on the management of ECF. Fistulae classifications have an impact on the calories and protein requirements. Early nutritional support with parenteral, enteral nutrition or fistuloclysis played a significant role in the management outcome. Published literature on the nutritional management of ECF is mostly retrospective and lacks experimental design. Prospective studies do not investigate nutritional assessment or management experimentally. Individualising the nutritional management protocol was recommended due to the absence of management guidelines for ECF patients.
  20. Mohammed Nawi A, Che Jamaludin FI
    Malays J Med Sci, 2015 Jul-Aug;22(4):47-56.
    PMID: 26715908 MyJurnal
    Co-morbidities in adulthood is a significant problem and is associated with obesity during adolescent.
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