Displaying publications 21 - 37 of 37 in total

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  1. Salman IM, Sattar MA, Abdullah NA, Ameer OZ, Basri F, Hussain NM, et al.
    J Nephrol, 2010 May-Jun;23(3):291-6.
    PMID: 20349424
    It is well established that renal sympathetic nerves are primarily involved in renal sodium and water regulation. However, the relationship between renal sympathetic nerve activity (RSNA) and renal potassium handling is not extensively known. The present study was performed to investigate the role of the renal sympathetic nervous system in the regulation of tubular potassium reabsorption and secretion.
  2. Ameer OZ, Salman IM, Siddiqui MJ, Yam MF, Sriramaneni RN, Mohamed AJ, et al.
    J Ethnopharmacol, 2010 Jan 8;127(1):19-25.
    PMID: 19808083 DOI: 10.1016/j.jep.2009.09.057
    The present study was aimed to investigate the pharmacological basis for the use of Loranthus ferrugineus in hypertension.
  3. Salman IM, Ameer OZ, Sattar MA, Abdullah NA, Yam MF, Najim HS, et al.
    J Nephrol, 2010 5 4;24(1):68-77.
    PMID: 20437405 DOI: 10.5301/jn.2010.6
    BACKGROUND: Renal sympathetic innervation plays an important role in the control of renal hemodynamics and may therefore contribute to the pathophysiology of many disease states affecting the kidney. Thus, the present study aimed to investigate the role of the renal sympathetic nervous system in the early deteriorations of renal hemodynamics and structure in rats with pathophysiological states of renal impairment.

    METHODS: Anesthetized Sprague Dawley (SD) rats with cisplatin-induced acute renal failure (ARF) or streptozotocin (STZ)-induced diabetes mellitus (DM) were subjected to a renal hemodynamic study 7 days after cisplatin and STZ administration. During the acute study, renal nerves were electrically stimulated, and responses in renal blood flow (RBF) and renal vascular resistance (RVR) were recorded in the presence and absence of renal denervation. Post mortem kidney collection was performed for histopathological assessment.

    RESULTS: In innervated ARF or DM rats, renal nerve stimulation produced significantly lower (all p<0.05, vs. innervated control) renal vasoconstrictor responses. These responses were markedly abolished when renal denervation was performed (all p<0.05); however, they appeared significantly higher compared with denervated controls (all p<0.05). Kidney injury was suppressed in denervated ARF, while, irrespective of renal denervation, renal specimens from DM rats were comparable to controls.

    CONCLUSIONS: Renal sympathoexcitation is involved in the pathogenesis of the renal impairment accompanying ARF and DM, and may even precede the establishment of an observable renal injury. There is a possible enhancement in the renal sensitivity to intrarenal norepinephrine following renal denervation in ARF and DM rats.
  4. Khoo TB, Kassim AB, Omar MA, Hasnan N, Amin RM, Omar Z, et al.
    Disabil Rehabil, 2009;31(21):1753-61.
    PMID: 19479558 DOI: 10.1080/09638280902751964
    To determine the magnitude and impact of physical disability on Malaysian school-aged children between 7 and less than 18 years old.
  5. Misajon R, Manderson L, Pallant JF, Omar Z, Bennett E, Rahim RB
    PMID: 17156494
    Although non-communicable and chronic disease now accounts for 47% of the global burden of disease, little is known of the everyday experiences and social aspects of disability and disablement in middle and low income countries. This article aims to address this gap by exploring the subjective experience of mobility impairment in Malaysia. Specifically, it examines health-related quality of life and the impact and distress related to impaired mobility, and investigates any gender differences in relation to the experience of disability.
  6. Schmitz RF, Abu Bakar MH, Omar ZH, Kamalanathan S, Schulpen TW, van der Werken C
    Trop Doct, 2001 Jul;31(3):152-4.
    PMID: 11444337
    This study evaluates the safety and results of surgery usingTaraKlamp Circumcision Device during a group circumcision. Atotal of 64 circumcisions of Muslim boys were performed by Medical Assistants supervised by Medical Doctors in a hall in Kuala Lumpur, Malaysia. A new type disposable clamp was used, which was removed 4 days after the operation. No major complications occurred and the boys experienced in general mild pain postoperatively. Mostly good cosmetic results were obtained and 90% of the parents would recommend this new clamp to others. Group circumcisions withTaraKlamp Circumcision Device (Kuala Lumpur, Malaysia) are safe, although proper patient selection and adequate training in using the device are mandatory.
  7. Omar Z, P P Abdul Majeed A, Rosbi M, Ghazalli SA, Selamat H
    Data Brief, 2024 Aug;55:110667.
    PMID: 39071971 DOI: 10.1016/j.dib.2024.110667
    This dataset comprises oil palm fresh fruit bunch (FFB) images that may potentially be used in the study related to fruit ripeness detection via image processing. The FFB dataset was collected from palm oil plantations in Johor, Negeri Sembilan, and Perak, Malaysia. The data collection involved acquiring pictures of FFB from various angles and classifying them based on their ripeness level, categorised into five classes: damaged bunch, empty bunch, unripe, ripe, and overripe. An experienced grader carefully labelled each FFB image with the corresponding ground truth information. The dataset provides valuable insights into the colour variations of FFBs throughout their ripening process, which is essential for assessing oil quality. It includes observations on the external fruit colours as well as characteristics related to the presence of empty sockets in the FFB as a key indicator of ripeness. The reusability potential of this dataset is significant for researchers in the field of oil palm fruit classification and grading, which requires an extensive outdoor dataset that comprise FFB's both on the tree and on the ground. Our work enables the development and validation of machine learning pipelines for outdoor automated FFB grading. Furthermore, the dataset may also support studies to improve oil palm cultivation practices, enhance yield, and optimise oil quality.
  8. Zanwar PP, Yalamanchili J, Hu S, Estrada LV, Omar Z, Rahemi Z
    Ann Palliat Med, 2024 Sep 09.
    PMID: 39260438 DOI: 10.21037/apm-23-527
    As the global older adult population continues to grow, challenges related to managing multiple chronic conditions (MCCs) or multimorbidity underscore the growing need for palliative care. Palliative care preferences and needs vary significantly based on context, location, and culture. As a result, there is a need for more clarity on what constitutes palliative care in diverse settings. Our objective was to present an international perspective on palliative care in India, a culturally diverse and large ancient Eastern middle-income country. In this narrative review article, we considered three questions when re-designing palliative care for older adults aging-in-place in India: (I) what are the needs for palliative care for persons and their families? (II) Which palliative care domains are essential in assessing improvements in the quality of life (QoL)? (III) What patientreported measures are essential considerations for palliative care? To address these questions, we provide recommendations based on the following key domains: social, behavioral, psychological, cultural, spiritual, medical, bereavement, legal, and economic. Using an established and widely reported conceptual framework on aging and health disparities, we provide how these domains map across multiple levels of influence, such as individual or family members, community, institutions, and health systems for achieving the desired QoL. For greater adoption, reach, and accessibility across diverse India, we conclude palliative care must be carefully and systematically re-designed to be culturally appropriate and community-focused, incorporating traditions, individual preferences, language(s), supports and services from educational and health institutions, community organizations and the government. In addition, national government insurance schemes such as the Ayushman Bharat Yojna can include explicit provisions for palliative care so that it is affordable to all, regardless of ability to pay. In summary, our considerations for incorporating palliative care domains to care of whole person and their families, and provision of supports of services from an array of stakeholders broadly apply to culturally diverse older adults aging in place in India and around the globe who prefer to age and die in place.
  9. Salman IM, Sattar MA, Abdullah NA, Ameer OZ, Hussain FB, Hye Khan MA, et al.
    Indian J Med Res, 2010 Jan;131:76-82.
    PMID: 20167977
    Regulation of renal function and haemodynamics are under a direct control from the renal sympathetic nerves and renal denervation produces overt diuresis and natriuresis in several mammalian species. However, the inter-related series of changes in renal function and haemodynamics following acute renal denervation (ARD) is not fully understood. Thus, we aimed to investigate and relate the changes in renal function and haemodynamics following acute unilateral renal denervation in anaesthetized Sprague Dawley (SD) rats.
  10. Abdullah MF, Nor NM, Mohd Ali SZ, Ismail Bukhary NB, Amat A, Latif LA, et al.
    Ann Acad Med Singap, 2011 Apr;40(4):168-78.
    PMID: 21678002
    INTRODUCTION: Diabetes mellitus (DM) is a chronic disease that is prevalent in many countries. The prevalence of DM is on the rise, and its complications pose a heavy burden on the healthcare systems and on the patients' quality of life worldwide.

    MATERIALS AND METHODS: This is a multicentre, cross-sectional study involving 5 Health Clinics conducted by Family Medicine Specialists in Malaysia. Convenience sampling of 100 respondents with DM were selected. The International Classifi cation of Functioning, Disability and Health (ICF) based measures were collected using the Comprehensive Core Set for DM. SF-36 and self-administered forms and comorbidity questionnaire (SCQ) were also used.

    RESULTS: Ninety-seven percent had Type 2 DM and 3% had Type 1 DM. The mean period of having DM was 6 years. Body functions related to physical health including exercise tolerance (b455), general physical endurance (b4550), aerobic capacity (b4551) and fatiguability (b4552) were the most affected. For body structures, the structure of pancreas (s550) was the most affected. In the ICF component of activities and participation, limitation in sports (d9201) was the highest most affected followed by driving (d475), intimate relationships (d770), handling stress and other psychological demands (d240) and moving around (d455). Only 7% (e355 and e450) in the environmental category were documented as being a relevant factor by more than 90% of the patients.

    CONCLUSION: The content validity of the comprehensive ICF Core set DM for Malaysian population were identified and the results show that physical and mental functioning were impaired in contrast to what the respondents perceived as leading healthy lifestyles.

  11. Bauman A, Ma G, Cuevas F, Omar Z, Waqanivalu T, Phongsavan P, et al.
    J Epidemiol Community Health, 2011 Jan;65(1):35-43.
    PMID: 20943821 DOI: 10.1136/jech.2008.086710
    This study describes physical activity patterns and their association with socioeconomic factors in six countries in the Asia-Pacific region, and examines whether physical activity associations with socioeconomic status follow similar patterns across the six countries.
  12. Nugraha B, Paternostro-Sluga T, Schuhfried O, Stucki G, Franchignoni F, Abdul Latif L, et al.
    J Rehabil Med, 2017 Jun 28;49(6):469-474.
    PMID: 28537344 DOI: 10.2340/16501977-2232
    BACKGROUND: Evaluation of the initial list of proposed abstract topics for Congresses of Physical and Rehabilitation Medicine (PRM) was needed in order to ensure its feasibility for use in future congress announcements and invitations for abstract submission.

    METHODS: The initial proposals were based on 5 main areas of PRM research: biosciences in rehabilitation, biomedical rehabilitation sciences and engineering, clinical PRM sciences, integrative rehabilitation sciences, and human functioning sciences. This list became a model for structuring the abstracts for the 9th and 10th World Congresses of PRM, held in Berlin, Germany (2015) and Kuala Lumpur, Malaysia (2016), respectively. The next step was to evaluate the implementation of this model in both congresses.

    RESULTS: It was found that the 5 main research areas were still used as the main principles (chapters) in which to organize the abstracts. However, some modifications have been made to cover topics that were not included in the initial proposal.

    CONCLUSION: A more comprehensive list of topics has been developed, not only for topic list announcements, but also for the structuring and classification of abstracts for future international, regional or national PRM congresses.

  13. Sahmat A, Gunasekaran R, Mohd-Zin SW, Balachandran L, Thong MK, Engkasan JP, et al.
    Front Pediatr, 2017;5:237.
    PMID: 29170734 DOI: 10.3389/fped.2017.00237
    Background: The aim of this study is to review the medical history of patients with spina bifida, encompassing both aperta and occulta types born between the years 2003 until 2016, spanning a 13-year time period. We assessed each patient and maternal parent information, details of the defects, and conditions associated with the primary defect. We also include information on patients' ambulation and education level (where available).

    Methods: Data from the Department of Patient Information University of Malaya Medical Centre (UMMC), Malaysia was captured from spina bifida patients (ICD10: Q05 spina bifida). Data involved patients referred to UMMC between 2003 and 2016 and/or born in UMMC within that particular time frame. We filtered and extracted the information according to the data of clinical examination, medical review, and social history provided in the medical records.

    Results: A total of 86 patient records with spina bifida were analyzed. Spina bifida prevalence rate in this study ranged from 1.87 to 8.9 per 1,000 live births depending on weightage. We note that ethnicity was a factor whereby the highest numbers of spina bifida were from Malays (n = 36, 41.86%), followed by equal numbers of Chinese and Indians (n = 24, 27.91%). The highest number of diagnoses reported was myelomeningocele type-spina bifida (n = 39, 45.35%). The most common site of the spina bifida lesion was located at the lumbar region irrespective of aperta or occulta types (n = 23, 26.74%). Data on other associated phenotypes of spina bifida such as hydrocephalus and encephalocele was also captured at 37.21% (n = 32) and 1.16% (n = 1), respectively. In terms of mobility, 32.84% (n = 22/67) of patients between the ages 4 and 16 years old were found to be mobile. As many as 36.07% of patients ranging from 5 to 16 years of age (n = 22/61) received formal education ranging from preschool to secondary school.

    Conclusion: The prevalence of spina bifida in UMMC is as according to international statistics which is in the range of 0.5-10 per 1,000 live births. Majority of the reported cases were males, Malays, full term babies, and of the myelomeningocele phenotype located at the lumbar region.

  14. Mustapha F, Omar Z, Mihat O, Md Noh K, Hassan N, Abu Bakar R, et al.
    BMC Public Health, 2014;14 Suppl 2:S4.
    PMID: 25080846 DOI: 10.1186/1471-2458-14-S2-S4
    The prevalence of non-communicable diseases (NCDs) and NCD risk factors in Malaysia have risen substantially in the last two decades. The Malaysian Ministry of Health responded by implementing, "The National Strategic Plan for Non-Communicable Diseases (NSP-NCD) 2010-2014", and the "NCD Prevention 1Malaysia" (NCDP-1M) programme. This paper outlines the primary health system context in which the NCDP-1M is framed. We also discuss the role of community in facilitating the integration of this programme, and outline some of the key challenges in addressing the sustainability of the plan over the next few years. The paper thus provides an analysis of an integration of a programme that involved a multi-sectoral approach with the view to contributing to a broader discourse on the development of responsive health systems.
  15. Abdullah NL, Gunasekaran R, Mohd-Zin SW, Lim BH, Maniam P, Mohd-Salleh AS, et al.
    BMC Res Notes, 2018 Jul 16;11(1):475.
    PMID: 30012199 DOI: 10.1186/s13104-018-3593-1
    OBJECTIVES: The Neural Tube Defects Research Group of University of Malaya was approached to analyze a tablet named TELSE, which may have resulted in a baby born with central nervous system malformation at the University of Malaya Medical Centre. In this animal experimental study, we investigated the content of TELSE and exposure of its contents that resulted in failure of primary neurulation.

    RESULTS: Liquid Chromatography Tandem Mass spectrophotometry analysis of the TELSE tablet confirmed the presence of trimethoprim as the active compound. The TELSE tablet-treated females produced significant numbers of embryos with exencephaly (n = 8, 36.4%, *P 

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