Displaying publications 1 - 20 of 173 in total

  1. Bing, Joni Fei Teoh, Paniandi, Vikneswary, Fadzilah Hamzah, H., Mohamed Ali Abdul Khader, Loh, Li-Cher
    Background: Positron Emission Tomography and Computed Tomography (PET-CT) imaging is shown to influence a decision change in managing non-small cell lung carcinoma (NSCLC). The introduction of such a facility in Malaysia is relatively recent, and its impact from its utility is currently being assessed.
    Aim: In a tertiary referral centre possessing the only PET-CT facility in northern Peninsular Malaysia, we evaluated the potential roles of PET-CT in referred patients with non-small cell lung carcinoma.
    Methodology: Sixty eligible adult cases with NSCLC, between September 2005 and December 2007, were retrospectively reviewed. Relevant data was collected using standard questionnaire for indications, staging of disease, and outcomes in terms of recurrence and response to prescribed cancer-specific therapy.
    Results: The indications for PET-CT were: staging of a newly diagnosed non-small cell lung carcinoma (25.0%); post-operative restaging (21.7%); exclusion of recurrence or metastasis (18.3%); establishing diagnosis of carcinoma (13.3%); assessment of response to treatment (11.7%), and for surveillance (10.0%). The use of PET-CT was shown to induce a change in the staging, compared with non-PET conventional means in 69.2% of patients with newly diagnosed lung carcinoma (upstaged in 55.5%; downstaged in 44.5%) and in 65.0% of patients who underwent cancer-specific treatments (upstaged in 38.5%; downstaged in 61.5%). PET-CT detected recurrence in 62.5% who underwent the imaging to exclude a recurrence or metastasis.
    Conclusion: PET-CT has affected the staging of a large proportion of our local Malaysian patients. Like elsewhere, the availability of such a facility is likely to have important influence in overall management of NSCLC in Malaysia.
  2. Ong, C.K., Tan, W.C., Leong, K.N., Muttalif, A.R.
    The incidence of tuberculosis (TB) is currently increasing. HIV induced immuno-suppression modifies the clinical presentation of TB. Our aim is to determine the differences in clinical presentation of HIV-TB co-infection based on their CD4 counts. This retrospective study looked at cases of adult active TB and HIV-1 co-infection treated in Penang Hospital from January 2004 to December 2005. Of the 820 patients treated for active TB, HIV-1 seropositivity rate was 12.6% (103 patients). Majority of HIV-1 co-infected patients presented with prolonged insidious and non-specific symptoms like weight loss, fever and night sweats. The clinical presentation of TB depended on the stage of HIV-1 infection and associated degree of immunodeficiency. Compared to the less immuno-compromised HIV-1 and TB co-infected population (CD4 > 200/mm3 ), patients with CD4 counts ≤ 200 are more likely to have atypical chest radiographs (P = 0.009). During active TB, the Mantoux test was positive in 12 (14.5%) HIV-1 infected patients with a CD4 counts ≤ 200/mm3 and in 16 (80%) of those with CD4 counts > 200/mm3 (P = 0.0001). In our series, the AFB smear / AFB culture and type of TB did not show obvious correlation with CD4 counts. Therefore to diagnose TB in severely immuno-compromised HIV patients, we need to have a high index of suspicion.
  3. Teng CL, Tey KK, Lim PH, Cheng SF, Nordin MS, Ng CM, et al.
    This is a questionnaire survey of dietary supplement usage among students in the International Medical University. Just over two-fifths of these students reported using dietary supplements daily. This high usage of dietary supplements is in contrast their expressed ambivalence about these products.
  4. MyJurnal
    Introduction: Pneumonia is the most common diagnosis made in hospitalised children. The Malaysian Clinical Practice Guidelines on pneumonia and respiratory tract infections provides a comprehensive guidance in the local context. We evaluated the documented assessment and management of children diagnosed with pneumonia admitted to the children’s ward, Hospital Batu Pahat against this guideline.
    Methods: We performed a retrospective analysis of hospital case notes for children admitted from January to May 2004.
    Results: Ninety six case notes were analysed. Most patients (84%) had at least four positive clinical features leading to the diagnosis of pneumonia. 92% met the guideline criteria for admission. Sp02 was performed for 58% on admission, and 58% with reading below 95% received supplemental oxygen. Throughout hospital stay, each patient had an average of four investigations (range: 1 – 12). Among 23 patients who had further investigations, justifications were only recorded in seven patients (30.4%), and changes in management resulted in 23%. The most common antibiotic prescribed was intravenous Penicillin (97 %). In 17 patients who met the guideline classification for severe pneumonia, none received the recommended antibiotic combination. The median time to fever resolution was 22 hours (range 2 – 268), and median hospital stay was 3 days (range 1 – 12).
    Conclusions: Although the quality of clinical assessment and antibiotic choices were acceptable, there was a failure to critically evaluate patients according to disease severity and initiate corresponding investigations and managements. Future efforts need to be directed at promoting further guideline adherence and the exercise of critical judgment in patient evaluation.
  5. Ambu, Stephen, Chu, Wan-Loy, Mak, Joon-Wah, Wong, Shew-Fung, Chan, Li-Li, Wong, Siew-Tung
    Malaysia has good environmental laws to protect the outdoor environment and public health. However there are no laws governing indoor air quality (IAQ) and the knowledge among the public about its importance is also lacking. Environmental professionals think it is not a priority and this influences the policy decisions in the country. Therefore there is a need to create awareness by way of research, education and other promotional activities. What is much needed at this time is the establishment of standards for the conduct of risk assessment studies. To establish standards we need reliable data which can be used to develop appropriate guidelines for the purpose of mitigation and adaptation programmes. IAQ can have significant influence on health resulting in drop in productivity and economy of a country. It has been estimated that in the US, building related illnesses (BRI) symptoms have a relationship with decrease (3 to 5%) in work performance in an affected population resulting in an annual loss of US$60 billion in revenue. However, based on efficient management programmes they have also projected that the potential annual savings can be in the region of US$10 to 30 billion. This establishes that fact that good management programmes based on efficient guidelines is of economic value to a country and wellbeing of the population. The IMU has embarked on a research programme to collect the much-needed data for the framing of a good IAQ guideline for Malaysia.
  6. Loh, Li-Cher
    It has been decided that IeJSME should be a general rather than specialty medical journal in that it would cover work ranging from bench science to clinical and medical education research. While this is to ensure the ease of soliciting sufficient manuscripts for sustainability of the journal, the other important reason is to provide learning opportunities for novice researchers, including undergraduate medical students, to improve their work in such a way that are publishable at a certain research quality. This intention is being birthed primarily with our 16-year old medical university and Malaysia in mind, although, as the journal title suggests, we aim that the work published in IeJSME will have international relevance and importance. (Copied from article).
  7. Nalliah, Sivalingam, Ganesalingam, Murali, Jegasothy, Ravindran
    The simultaneous presence of polycystic ovary syndrome with pelvic endometriosis presents compounded gynecological effects on women with subfertility and pelvic pain as the common symptoms. We describe one such case. The molecular basis for etiology is discussed and the need for individualized treatment is suggested.
  8. MyJurnal
    Pneumonia continues to a disease of potentially high morbidity and mortality, sparing no children or healthy adults. Over the years, clinical practice guidelines and institution-initiated management protocols have been introduced with the intention of improving outcomes by ensuring appropriate assessment and management of pneumonia. Correct assessment of pneumonia type and severity will lead to appropriate course of action. This is especially true when deciding whether the patient can be treated at home and the type of empiric antibiotic(s) that should be prescribed. The latter has a strong evidence-base when examined in the light of clinical practice guidelines. Non-guideline adherent empiric antibiotic regimes used in hospitalized community acquired pneumonia (CAP) are adversely associated with time to clinical stability, time to switch therapy, length of hospital stay, hospital survival and hospital re-admission rates. Our own local study on hospitalized patients with Klebsiella pneumoniae pneumonia, a highranking community-acquired organism in Malaysia, also testified to the association of adverse hospital outcomes with inappropriate choice of empiric antibiotic(s). (Copied from article).
  9. MyJurnal
    In this review article, the author illustrates the advanced searches for “Malaysian” health and life sciences publications. Examples of searching are made on PubMed, Google Scholar and Scopus. The strengths and weaknesses of these services are compared.
  10. Teo, Keat Seong, Cheah, Cheong Wooi, Mak, Joon Wah
    Background: Sensitisation to house dust mite (HDM) has been regarded as a major risk factor for development of asthma. This study was carried out to investigate the profiles of HDM sensitisation among Malaysian children with asthma.
    Material and Methods: The association between HDM sensitisation and control and severity of asthma was investigated. The salivary HDM specific IgE levels were quantified in different grades of control and severity of asthma in 125 unselected asthmatic children aged 5-12 years old attending the asthma follow-up clinic in Hospital Tuanku Ja’afar Seremban. An additional 29 non-asthmatic patients were selected as control. The skin prick test to assess sensitisation to Dermatophagoides pteronyssinus (DP) and Dermatophagoides farinae (DF) was performed on all the participants. A questionnaire regarding the control and severity of asthmatic symptoms of the subject was administered. Saliva was collected by voluntary spitting and ELISA was used to quantify the IgE specific to HDM antigen.
    Results: There was a significant association between sensitisation to DP and DF and the control of asthma. The association between DP sensitisation and severity of asthma just failed to reach a significant level although there is a clear trend for this. Significant association was found between DF sensitisation and severity. The HDM specific IgE in the saliva was significantly higher in asthmatic patients compared to non-asthmatic patients. There was no significant difference between the specific IgE levels in patients with different severity status of asthma.
    Conclusion: Salivary IgE levels may not be an appropriate indicator of the patients’ asthmatic condition in this study. However, it can be concluded that there is significant association between the sensitisation of HDM and the control and severity of asthma.
    Study site: Asthma clinic, Hospital Tuanku Jaafar, Seremban, Negeri Sembilan, Malaysia
  11. Davendralingam Sinniah
    Nebulization with B-agonist and administration of systemic corticosteroids are standard treatments for severe asthma exacerbations, but corticosteroids take several hours to become effective. IV magnesium sulphate (MgSO4) acts faster and has both antiinflammatory and bronchodilating properties. It appears to have played a pivotal role in the successful management of a child with severe asthma exacerbation and atelectasis unresponsive to conventional therapy. A literature review reveals that the results of IV MgSO4 are much greater in children than in adults, and can avoid the need to hospitalize 25% of children presenting with severe asthma. Magnesium sulphate appears safe to use.
  12. Suleiman AB
    In ancient times, before Hippocrates, disease and illness were attributed as a sign of divine dismay, and the Gods needed to be appeased to achieve a cure. Hippocrates and his followers showed courage in breaking away from this paradigm. They moved away from the divine and supernatural, to focus on the biology of the body. In the process they put the patient at the centre of their focus. They collected detailed case histories, dismissed religious and supernatural explanations and developed remedies in the form of diets, exercise and mixed minerals and herbs based on their understanding of ill health.
  13. Stephen Ambu, Stacey Foong Yee Yong, Yvonne Ai Lian Lim, Mak Joon Wah, Donald Koh Fook Chen, Soo Shen Ooi, et al.
    Background: The public health issue of consuming groundwater is a major concern because people often extract groundwater directly from the aquifers either through wells or boreholes without treating it with any form of filtration system or chlorine disinfection. Based on the Malaysian National Drinking Water guidelines the current study was designed to provide a better understanding on the variable factors that are influencing the quality of well-water in an urbanised village in Malaysia. Well water quality assessment of heavy metals, chemicals, microbial and physical parameters were carried out for Sungai Buloh Village in the Klang Valley to ensure it was safe for human consumption.

    Materials and Methods: Water samples were collected from wells at four sites (Sites A,B,C,D), a river and a tap inside a house in Sungai Buloh village. Soil was sampled from the riverbed and area surrounding the wells. Samples were collected every two months over a one year duration from all sites. The water samples were processed and examined for viruses, coliforms and protozoa as well as for heavy metal contaminants.

    Results: The turbidity and colour ranged in the average of 0.57-0.13 Nephelometric Turbidity (NTU) and 4.16-5.00 Total Conjunctive Use (TCU) respectively for all sites except Site C. At Site C the turbidity level was 2.56 ± 1.38 NTU. The well-water was polluted with coliforms (1.2 to 2.4 x 103 CFU/100 ml) in all sites, E. coli (0.12 - 4 x 102 CFU/100 ml CFU/ 100 ml) and Cryptosporidium oocysts (0.4 cysts/100 ml). All the heavy metals and chemical parameters were within the Malaysian Guidelines’ limits except manganese. The average pH ranged from 5.44 - 6.62 and the temperature was 28 ºC.

    Conclusion: In summary, the well water at Sungai Buloh is considered unsafe for consumption due to pollution. Therefore the major thrust will be to provide better quality of drinking water to the residents of the village.
  14. Farah Syazana Ahmad Shahabuddin, Nur Hazirah Ahmat, Ahmed Ikhwan Mohamad, Lau, Kit Mun, Siti Aisyah Mohd Yusof, Teh, Pei Chiek, et al.
    Background: Misinterpretation of abbreviations by healthcare workers has been reported to compromise patient safety. Medical students are future doctors. We explored how early medical students acquired the practice of using abbreviations, and their ability to interpret commonly used abbreviations in medical practice.

    Method: Eighty junior and 74 senior medical students were surveyed using a self-administered questionnaire designed to capture demographic data; frequency and reasons for using abbreviations; from where abbreviations were learned; frequency of encountering abbreviations in medical practice; prevalence of mishaps due to misinterpretation; and the ability of students to correctly interpret commonly used abbreviations. Comparisons were made between senior and junior medical students.

    Results: Abbreviation use was highly prevalent among junior and senior medical students. They acquired the habit mainly from the clinical notes of doctors in the hospital. They used abbreviations mainly to save time, space and avoid writing in full sentences. The students experienced difficulties, frustrations and often resorted to guesswork when interpreting abbreviations; with junior students experiencing these more than senior students. The latter were better at interpreting standard and non-standard abbreviations. Nevertheless, the students felt the use of abbreviations was necessary and acceptable. Only a few students reported encountering mishaps in patient management as a result of misinterpretation of abbreviations.

    Conclusion: Medical students acquired the habit of using abbreviations early in their training. Senior students knew more and correctly interpreted more standard and non-standard abbreviations compared to junior students. Medical students should be taught to use standard abbreviations only.
  15. Sharifah Sulaiha Syed Aznal, Chee Yoong Wong, Pamela Lee Ling Tan, Vee Vee See, Chui King Wong
    Background: Increased maternal anxiety level has been reported to have detrimental effects on the physical outcome of pregnancies such as not achieving vaginal births. This study thus aims to determine the level and factors affecting mental preparedness among mothers with normal pregnancies and its correlation with birth outcomes.

    Methods: Three hundred healthy mothers above 37 weeks of gestation in the early stage of labour were assessed for their level of mental preparation before birth process and outcomes after births which include general feeling (euphoria), ability to withstand labour pain and bonding with the new born. The successfulness of vaginal birth and other data on factors affecting mental preparation were also collected.

    Results: The level of mental preparedness was found good in 78% of the mothers, mainly determined by their socioeconomic status, family support and personal ability to adjust to changes. Age (p= 0.048), parity (0.00) and income (0.01) were found to influence mental preparedness significantly. Race, occupation, education level and marital status are however not significantly related. Poor mental preparedness is associated with greater pain during labour. A correlation analysis also found a positive relationship between the level of mental preparation and mental outcomes following birth in these mothers but it did not significantly influence the mode of delivery.

    Conclusion: Mental preparation before birth seems to have an effect on mental outcomes of mothers following birth process. It is vital that mothers of the younger age group with no previous obstetric experience be given more attention in preparing them mentally before they face the painful birth process.
  16. Mary Beth, Mini Rani, Hong Lim, Pek, Pandi, Chitra Rathnia
    Interprofessional learning (IPL) promotes collaboration among healthcare professionals in providing quality healthcare. For the IPL to have a positive influence on inter-professional collaboration, opportunities must be made available for the healthcare students to learn together. Attitudinal factors have been identified as the major factor hindering the implementation of IPL. In Malaysia, little is known about attitudes of healthcare students towards IPL. Students from different health disciplines often have poor conception of each other’s roles as a member of the healthcare team. IPL increases this knowledge and gives students an understanding of the interpersonal skills needed for liaison and communication. Students from different disciplines who learn together develop interpersonal and teamwork skills, and gain knowledge of how other professionals work. IPL has been shown to create teams that work together better and improve patient experience. In general, IPL aims to improve patient safety, enhance patient satisfaction, and increase levels of innovation in patient care, and increase staff motivation, well-being and retention. There has been increasing emphasis on the important role that interprofessional education (IPE) must play in educating and developing present and future healthcare professionals. This review aims to examine how learning outcomes are articulated in the field of IPE and includes the benefits, importance, ethical concepts and application of IPL in nursing.
  17. Barling, Peter Micheal, YI, Huan Foong
    Keriorrhoea is the involuntarily passing of orange oil per rectum. One of us (PMB) had the misfortune to experience this symptom, together with considerable gastrointestinal disturbances for a prolonged period of time after consumption of a deep sea fish, orange roughy, which is rich in liquid wax esters (LWEs). This paper presents a summary of available evidence concerned with the physiology and pathology of ingestion of LWEs, which can enter the human diet in substantial amounts from consumption of several species of deep-sea fish. LWEs are poorly digested and absorbed by the human body. They generally cause keriorrhoea when ingested deliberately or accidentally. Jojoba oil, which is a plant LWE, together with certain nutritional products (e.g. olestra) and medical (e.g. Orlistat) which are not LWEs may mimic the effects of LWEs, and cause similar gastrointestinal disturbances. This paper discusses the potential effects of LWEs as components of gastrointestinal micelles, and predicts that the orange oil which is leaked from a bout of keriorrhoea may contain considerable volumes of triacylglycerols (TAGs).
  18. Visuvanathan, Vaani Valerie, Hui, Min Chong, Shien, Yee Ng, Chen, Nee Ch'ng, Shook, Juliana Shin Tan
    Community-acquired pneumonia (CAP) is one of the most common infectious diseases and the world’s leading cause of mortality and morbidity, especially in patients aged 65 years and above.1,2 It is the 6th cause of mortality and the most important cause of hospitalisation in Malaysia. According to the British Thoracic Society, the gold standard in diagnosing CAP is based on radiological findings and it is defined into 2 different settings – community and hospital.3
  19. Zhi, Yee Lee, Chuan, Joshua Yung Foo, Mei, Qian Lim, Zheng, Xian Koh, Hui, Wendy Yi Wong, Kock, Tony Wai Ng
    A recently published meta-analysis showed that each additional serving of rice increased risk of type 2 diabetes mellitus (DM) by an alarming 11%. We investigated whether this phenomenon is seen in the Malaysian population by studying the effect of rice intake and added sugar consumption on fasting plasma glucose (FPG) and fasting triacylglycerol (TAG).
  20. Chin, Yow-Wen, Loh, Li-Cher, Wong, Thim-Fatt, Abdul Razak Muttalif
    Introduction: To review the sputum bacteriology and its in-vitro antibiotic susceptibility in patients hospitalized with community-acquired pneumonia (CAP) in a state tertiary-referral Hospital (Penang hospital, Malaysia) in order to determine the most appropriate empiric antibiotics.
    Methods: From September 2006 to May 2007, 68 immunocompetent adult patients [mean age: 52 years (range 16-89); 69% male] admitted to respiratory wards for CAP with positive sputum isolates within 48 hours of admission were retrospectively identified and reviewed.
    Results: 62 isolates were Gram(-) bacilli (91%) & 6 were Gram(+) cocci (9%). The two commonest pathogens isolated were Pseudomonas aeruginosa (n=20) and Klebsiella pneumoniae (n=19) together constituted 57% of all positive isolates. Among the Pseudomonas isolates, 84.2% were fully sensitive to cefoperazone and cefoperazon/sulbactam; 95% to ceftazidime, cefepime, piperacillin/tazobactam, ciprofloxacin and amikacin, and 100% to gentamycin, netilmycin, imipenem and meropenem. Among the Klebsiella isolates, 5.3% were fully sensitive to ampicillin; 84.2% to amoxicillin, ampicllin/sulbactam, cefuroxime and ceftriazone; 89.5% to piperacillin/ tazobactam; 93.3% to cefoperazon/sulbactam and 100% sensitive to ceftazidime, cefepime, ciprofloxacin, all aminoglycosides and carbopenems.
    Conclusion: In view of the high prevalence of respiratory Pseudomonas aeruginosa, ampicillin/ sulbactam, currently the most prescribed antibiotic to treat CAP in our respiratory wards, may not be the most appropriate empiric choice. Higher generation cephalosporins with or without beta-lactamase inhibitors, ciprofloxacin or carbapenem may be the more appropriate choices. The lack of information on patients’ premorbidities such as recent hospitalization and prior antibiotic exposure, limits the interpretation of our findings and may have biased our results towards higher rates of Gram negative organisms.
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