Displaying publications 141 - 160 of 250 in total

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  1. Wan Puteh SE, Ahmad SNA, Aizuddin AN, Zainal R, Ismail R
    Asia Pac Fam Med, 2017;16:5.
    PMID: 28392749 DOI: 10.1186/s12930-017-0035-5
    BACKGROUND: Malaysia is an upper middle income country that provides subsidized healthcare to ensure universal coverage to its citizens. The challenge of escalating health care cost occurs in most countries, including Malaysia due to increase in disease prevalence, which induced an escalation in drug expenditure. In 2009, the Ministry of Health has allocated up to Malaysian Ringgit (MYR) 1.402 billion (approximately USD 390 million) on subsidised drugs. This study was conducted to measure patients' willingness to pay (WTP) for treatment of chronic condition or acute illnesses, in an urbanized population.
    METHODS: A cross-sectional study, through face-to-face interview was conducted in an urban state in 2012-2013. Systematic random sampling of 324 patients was selected from a list of patients attending ten public primary cares with Family Medicine Specialist service. Patients were asked using a bidding technique of maximum amount (in MYR) if they are WTP for chronic or acute illnesses.
    RESULTS: Patients are mostly young, female, of lower education and lower income. A total of 234 respondents (72.2%) were not willing to pay for drug charges. WTP for drugs either for chronic or acute illness were at low at median of MYR10 per visit (USD 3.8). Bivariate analysis showed that lower numbers of dependent children (≤3), higher personal and household income are associated with WTP. Multivariate analysis showed only number of dependent children (≤3) as significant (p = 0.009; 95% CI 1.27-5.44) predictor to drugs' WTP.
    CONCLUSION: The result indicates that primary care patients have low WTP for drugs, either for chronic condition or acute illness. Citizens are comfortable in the comfort zone whereby health services are highly subsidized through universal coverage. Hence, there is a resistance to pay for drugs.
  2. Nor NM, Ismail R, Jamil A, Shah SA, Imran FH
    Clin Drug Investig, 2017 Mar;37(3):295-301.
    PMID: 27888448 DOI: 10.1007/s40261-016-0484-x
    BACKGROUND AND OBJECTIVE: Keloid is conventionally treated with intra-lesional (IL) triamcinolone, which is highly operator dependent and has its own adverse effects. Topical steroid and silicone dressings are a patient friendly and non-invasive treatment alternative. We therefore sought to determine the efficacy and safety of topical clobetasol propionate (Dermovate(®)) 0.05% cream under occlusion with Mepiform(®) silicone dressing compared to IL triamcinolone in the treatment of keloid.

    METHODS: This was a prospective, randomised, observer-blinded study. Two keloids on the same site were randomly assigned to receive either daily topical clobetasol propionate 0.05% cream under occlusion with silicone dressing (Scar 1) or monthly IL triamcinolone injection (Scar 2). Efficacy was assessed using patient and observer scar assessment scale (POSAS) at 4-weekly intervals up to 12 weeks. Dimension of keloid and adverse effects were also assessed.

    RESULTS: A total of 34 scars from 17 patients completed the study. There was significant improvement of POSAS at 12 weeks compared to baseline within each treatment group. However, there was no statistically significant difference in POSAS at 12 weeks between the two treatments. Keloid dimensions showed a similar trend of improvement by week 12 with either treatment (p = 0.002 in Scar 1, p = 0.005 for Scar 2). However, there was no significant difference between the treatment. In the IL triamcinolone group, all patients reported pain and 70.6% observed necrotic skin reaction. There was a significantly higher rate of adverse effects such as erythema (41.2 vs. 17.6%), hypopigmentation (35.3 vs. 23.5%), telangiectasia (41.2 vs. 17.6%) and skin atrophy (23.5 vs. 5.9%) documented in the IL triamcinolone group when compared to clobetasol propionate 0.05% cream under occlusion with silicone dressing.

    CONCLUSION: Clobetasol propionate 0.05% cream under occlusion with silicone dressing is equally effective and has fewer adverse effects compared to IL triamcinolone. Hence, it may be used as an alternative treatment for keloid particularly in patients with low pain threshold, needle phobia and those who prefers home-based treatment.

  3. Mo SY, Lai OM, Chew BH, Ismail R, Bakar SA, Jabbar NA, et al.
    Eur J Nutr, 2019 Aug;58(5):1873-1885.
    PMID: 29872922 DOI: 10.1007/s00394-018-1738-6
    PURPOSE: We aim to investigate the postprandial effects of palm olein (PO) and chemically interesterified palm olein (IPO) with different proportions of palmitic acid at the sn-2 position using high oleic sunflower oil (HOS) as control fat on concentrations of gut hormones, glucose homeostasis, satiety, lipid and inflammatory parameters in type 2 diabetic (T2D) subjects.

    METHODS: Using a randomised double-blind crossover design, 21 (men = 6, women = 15) T2D subjects consumed test meals (3.65 MJ) consisting of a high fat muffin (containing 50 g test fats provided as PO, IPO or HOS) and a milkshake. Postprandial changes in gut hormones, glucose homeostasis, satiety, lipid and inflammatory parameters after meals were analysed. Some of the solid fractions of the IPO were removed and thus the fatty acid composition of the PO and IPO was not entirely equal (PO vs IPO: palmitate 39.8 vs 38.7; oleate 43.6 vs 45.1). PO, IPO and HOS contained 9.7, 38.9 and 0.2 g/100 g total fatty acids of palmitic acid at the sn-2 position, respectively. At 37 °C, IPO contained 4.2% SFC whereas PO and HOS were completely melted.

    RESULTS: Our novel observation shows that the incremental area under curve (iAUC) 0-6 h of plasma GIP concentration was on average 16% lower following IPO meal compared with PO and HOS (P 

  4. Hosseingholi Pourasl A, Ariffin SHS, Ahmadi MT, Ismail R, Gharaei N
    Beilstein J Nanotechnol, 2019;10:644-653.
    PMID: 30931206 DOI: 10.3762/bjnano.10.64
    Nanomaterial-based sensors with high sensitivity, fast response and recovery time, large detection range, and high chemical stability are in immense demand for the detection of hazardous gas molecules. Graphene nanoribbons (GNRs) which have exceptional electrical, physical, and chemical properties can fulfil all of these requirements. The detection of gas molecules using gas sensors, particularly in medical diagnostics and safety applications, is receiving particularly high demand. GNRs exhibit remarkable changes in their electrical characteristics when exposed to different gases through molecular adsorption. In this paper, the adsorption effects of the target gas molecules (CO and NO) on the electrical properties of the armchair graphene nanoribbon (AGNR)-based sensor are analytically modelled. Thus, the energy dispersion relation of AGNR is developed considering the molecular adsorption effect using a tight binding (TB) method. The carrier velocity is calculated based on the density of states (DOS) and carrier concentration (n) to obtain I-V characteristics and to monitor its variation in the presence of the gas molecules. Furthermore, the I-V characteristics and energy band structure of the AGNR sensor are simulated using first principle calculations to investigate the gas adsorption effects on these properties. To ensure the accuracy of the proposed model, the I-V characteristics of the AGNR sensor that are simulated based both on the proposed model and first principles calculations are compared, and an acceptable agreement is achieved.
  5. Ibrahim N, Amit N, Shahar S, Wee LH, Ismail R, Khairuddin R, et al.
    BMC Public Health, 2019 Jun 13;19(Suppl 4):544.
    PMID: 31196033 DOI: 10.1186/s12889-019-6862-6
    BACKGROUND: Mental illness rates among young people is high, yet the frequency of help-seeking is low, especially among those from lower socioeconomic backgrounds. Understanding factors influencing help-seeking, such as mental illness beliefs, stigma and literacy among B40 individuals is important, but past studies are sparse. Hence, we aimed to examine the factors associated with mental help-seeking attitude among students from the B40 income bracket. Differences in beliefs toward mental illness, stigma and help-seeking attitudes among university and secondary school students were also investigated.

    METHODS: University and secondary school students from low-income households (N = 202) were involved in this cross-sectional study. Participants completed the Depression Literacy Questionnaire (D-Lit), General Help Seeking Questionnaire (GHSQ), Mental Help Seeking Attitudes Scale (MHSAS), Self-Stigma of Seeking Help Scale (SSOSH), and Beliefs toward Mental Illness (BMI).

    RESULTS: Mental help-seeking attitude had a significant relationship with self-stigma on seeking help (r = -.258, p r = .156, p = .027), and age (r = .187, p 

  6. Muthiah YD, Ong CE, Sulaiman SA, Tan SC, Ismail R
    J Pharm Pharmacol, 2012 Dec;64(12):1761-9.
    PMID: 23146039 DOI: 10.1111/j.2042-7158.2012.01551.x
    To investigate the effect of Tualang honey on cytochrome P450 2C8 (CYP2C8) activity in vitro using an amodiaquine N-desethylase assay.
  7. Rosdi RA, Mohd Yusoff N, Ismail R, Soo Choon T, Saleem M, Musa N, et al.
    Ann Hum Biol, 2015 Sep 24.
    PMID: 26402341
    CYP2C9 gene polymorphisms modulate inter-individual variations in the human body's responses to various endogenous and exogenous drug substrates. To date, little is known about the CYP2C9 gene polymorphisms among the aboriginal populations of the world, including those in Malaysia.
  8. Rizal H, Said MA, Abdul Majid H, Su TT, Maw Pin T, Ismail R, et al.
    PLoS One, 2022;17(2):e0263751.
    PMID: 35134086 DOI: 10.1371/journal.pone.0263751
    BACKGROUND: Globally, a lower income is associated with poorer health status and reduced quality of life (QOL). However, more research is needed on how being older may influence QOL in lower-income households, particularly as older age is associated with an increased risk of chronic diseases and care needs. To this end, the current study attempts to determine the health-related QOL (HRQOL) among individuals from lower-income households aged 60 years and over compared to lower-income adults aged less than 60 years.

    METHODS: Participants were identified from the Department of Statistics Malaysia sampling frame. Surveys were carried out with individual households aged 18 years and older through self-administered questionnaires. Information was collected on demographics, household income, employment status, number of diseases, and HRQOL assessed using the EuroQol 5-Dimension 5-Level (EQ-5D-5L) tool.

    RESULTS: Out of a total of 1899 participants, 620 (32.6%) were female and 328 (17.3%) were aged 60 years and above. The mean (SD) age was 45.2 (14.1) and mean (SD) household income was RM2124 (1356). Compared with younger individuals, older respondents were more likely to experience difficulties in mobility (32.1% vs 9.7%, p<0.001), self-care (11.6% vs 3.8%, p<0.001), usual activities (24.5% vs 9.1%, p<0.001), pain/discomfort (38.8% vs 16.5%, p<0.001) and anxiety/depression (21.4% vs 13.5%, p<0.001). The mean (SD) EQ-5D index scores were lower among older respondents, 0.89 (0.16) vs 0.95 (0.13), p = 0.001. After adjusting for covariates, age was a significant influencing factor (p = 0.001) for mobility (OR = 2.038, 95% CI:1.439-2.885), usual activities (OR = 1.957, 95% CI:1.353-2.832) and pain or discomfort (OR = 2.241, 95% CI:1.690-2.972).

    CONCLUSION: Lower-income older adults had poorer HRQOL compared to their younger counterparts. This has important implications concerning intervention strategies that incorporate active ageing concepts on an individual and policy-making level to enhance the QOL and wellbeing, particularly among the older lower-income population.

  9. Nawi AM, Ismail R, Ibrahim F, Hassan MR, Manaf MRA, Amit N, et al.
    BMC Public Health, 2021 Nov 13;21(1):2088.
    PMID: 34774013 DOI: 10.1186/s12889-021-11906-2
    BACKGROUND: Drug abuse is detrimental, and excessive drug usage is a worldwide problem. Drug usage typically begins during adolescence. Factors for drug abuse include a variety of protective and risk factors. Hence, this systematic review aimed to determine the risk and protective factors of drug abuse among adolescents worldwide.

    METHODS: Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was adopted for the review which utilized three main journal databases, namely PubMed, EBSCOhost, and Web of Science. Tobacco addiction and alcohol abuse were excluded in this review. Retrieved citations were screened, and the data were extracted based on strict inclusion and exclusion criteria. Inclusion criteria include the article being full text, published from the year 2016 until 2020 and provided via open access resource or subscribed to by the institution. Quality assessment was done using Mixed Methods Appraisal Tools (MMAT) version 2018 to assess the methodological quality of the included studies. Given the heterogeneity of the included studies, a descriptive synthesis of the included studies was undertaken.

    RESULTS: Out of 425 articles identified, 22 quantitative articles and one qualitative article were included in the final review. Both the risk and protective factors obtained were categorized into three main domains: individual, family, and community factors. The individual risk factors identified were traits of high impulsivity; rebelliousness; emotional regulation impairment, low religious, pain catastrophic, homework completeness, total screen time and alexithymia; the experience of maltreatment or a negative upbringing; having psychiatric disorders such as conduct problems and major depressive disorder; previous e-cigarette exposure; behavioral addiction; low-perceived risk; high-perceived drug accessibility; and high-attitude to use synthetic drugs. The familial risk factors were prenatal maternal smoking; poor maternal psychological control; low parental education; negligence; poor supervision; uncontrolled pocket money; and the presence of substance-using family members. One community risk factor reported was having peers who abuse drugs. The protective factors determined were individual traits of optimism; a high level of mindfulness; having social phobia; having strong beliefs against substance abuse; the desire to maintain one's health; high paternal awareness of drug abuse; school connectedness; structured activity and having strong religious beliefs.

    CONCLUSION: The outcomes of this review suggest a complex interaction between a multitude of factors influencing adolescent drug abuse. Therefore, successful adolescent drug abuse prevention programs will require extensive work at all levels of domains.

  10. Lau WP, Ng KP, Ganapathy SS, Tah PC, Ismail R, Jalalonmuhali M, et al.
    Transplant Proc, 2022 Feb 03.
    PMID: 35125235 DOI: 10.1016/j.transproceed.2021.12.019
    BACKGROUND: Proteinuria and metabolic acidosis adversely affect long term renal allograft outcome and are highly prevalent in reported studies. The role of dietary intake in influencing proteinuria and metabolic acidosis remained uncertain. This study aims to determine the prevalence rate of proteinuria and metabolic acidosis among kidney transplant recipients (KTRs) and to study their relationship with dietary intake.

    METHODS: We performed a cross-sectional study on KTRs with functioning renal allograft and at least 3 months post transplant. Dietary protein, salt, and dietary acid load were estimated using 24-hour urine collection. Demographic characteristics, concomitant medications, medical history, and laboratory results were obtained from electronic medical records.

    RESULTS: A total of 204 KTRs were recruited with median age of 48 years (interquartile range [IQR], 18 years); male to female ratio was 61:39. A total of 79.9% (n = 163) were living related kidney transplants. The median duration after transplant was 71 months (IQR, 131 months), and median eGFR was 65 mL/min/1.73 m2 (IQR, 25 mL/min/1.73 m2). The prevalence rates of proteinuria (defined as ≥ 0.5 g/d) and metabolic acidosis (defined as at least 2 readings of serum bicarbonate ≤ 22 mmol/L in the past 6 months) were 17.7 % and 6.2%, respectively. High dietary protein of > 1.2 g/kg ideal body weight (adjusted odds ratio, 3.13; 95% CI, 1.35-7.28; P = .008) was significantly associated with proteinuria. Dietary protein, salt, and acid load did not correlate with chronic metabolic acidosis.

    CONCLUSIONS: The prevalence rate of proteinuria is consistent with published literature, but metabolic acidosis rate is extremely low in our cohort. High protein intake (> 1.2 g/kg ideal body weight) is a risk factor of proteinuria and may have negative impact on KTR outcome.

  11. Ghani LA, Mahmood NZ, Ismail R, Sa'at SA, Ali N, Mohd Zakuan SA
    Heliyon, 2022 Dec;8(12):e12309.
    PMID: 36619421 DOI: 10.1016/j.heliyon.2022.e12309
    The research on food flow network is unpredictable as the approaches employed are more targeted at specific study points, often excluding spatial and temporal changes. The research questions must still address why and how food flow moves in the entire supply chain system. This study aims to investigate the movement of food flow using national statistics, comprising of four main subsystems: agriculture, nutrition, waste, wastewater management, and the environment by using the Material Flow Analysis (MFA) approach. Comprehensive research using primary and secondary data including literature reviews have successfully bridged the knowledge gap on food supply chain management in Malaysia. This article provides new contributions through the considerations of food safety and the opportunity to understand flow issues that are connected to hotspots, closed flow, and economic circulars. Additionally, this study acts as a simple guide for policymakers to manage the imbalances of food supply in certain areas. From the perspective of food waste management, several important strategies were successfully formulated to combat the leakage of food waste flow and financial burden while highlighting the need for local social actors' involvement to fulfil Malaysia's agenda of Sustainable Development Goals.
  12. Muthiah YD, Lee WL, Teh LK, Ong CE, Salleh MZ, Ismail R
    Clin Chim Acta, 2004 Nov;349(1-2):191-8.
    PMID: 15469873 DOI: 10.1016/j.cccn.2004.06.024
    BACKGROUND: Cytochrome P450 (CYP) 2C8 is a principle enzyme responsible for the metabolism of many clinically important drugs as well as endogenous compounds such as arachidonic acid. The enzyme is genetically polymorphic but a simple method is not available to study its genetic polymorphism. We developed and optimized a variant-specific PCR techniques to detect CYP2C8*2, CYP2C8*3 and CYP2C8*4.
    METHOD: Genomic DNA was extracted from blood using standard extraction methods. A two-step PCR method was developed to detect simultaneously three CYP2C8 variants. In the first PCR (PCR1), specific regions from exons 3, 5 and 8 of the CYP2C8 gene were amplified. The products were used as templates in parallel alleles-specific PCR (PCR2). This method was tested against DNA samples obtained from 57 healthy Malaysian volunteers.
    RESULT: The bands of interest were successfully amplified. This method showed specific and reproducible results when tested on healthy volunteers. DNA sequencing further confirmed genotype results obtained from current method.
    CONCLUSION: We have successfully developed and optimized a multiplex PCR method suitable for use in population studies of CYP2C8 polymorphism.
  13. Ismail R, Ibrahim A, Mohamed HMSH, Mahmood MR, Adnan A
    Data Brief, 2023 Feb;46:108872.
    PMID: 36691557 DOI: 10.1016/j.dib.2022.108872
    Base isolation is a technique installed to absorb any movement or vibration on the structures. The incorporation of nanocomposites into elastomer as the interesting materials especially for the active stiffness and vibration control of structural systems. A base isolator is made up of alternate layers of steel and rubber. The performance of magnetic rubber device is dependent on mechanical and magnetic properties of composite rubber materials. A vibrating sample magnetometer (VSM) is an instrument to detect the magnetic properties. The article provides information on the magnetic properties corresponding to different carbon nanotubes loadings of 0%, 1%, 3% and 5% and different loading of microcarbonyl iron (MCI) i.e. 0% (B0), 10% (B10), 20% (B20) and 30% (B30) in natural rubber compound. The magnetic properties dataset described the data from compression test.
  14. Thangiah G, Johar H, Ismail R, Reininghaus U, Bärnighausen T, Thurairajasingam S, et al.
    Int J Environ Res Public Health, 2022 Aug 14;19(16).
    PMID: 36011650 DOI: 10.3390/ijerph191610015
    Diabetes mellitus (DM) management imposes a tremendous psychological burden on patients. The study investigates the association between DM treatment with blood glucose (BG) control and common mental health conditions. A cross-sectional study was conducted among 1821 individuals with DM in a community-based survey conducted in 2013. Information on respondents’ sociodemographic, mental health, DM treatment, and BG levels was collected. Multinomial logistic regression was employed to examine the association of diabetes treatment with controlled BG levels (<11.1 mmol/L) (42.5%, n = 774) or uncontrolled BG levels (34.3%, n = 625) compared with those not undergoing treatment (23.2%, n = 422) on depression anxiety, and stress. Having DM treatment and controlled BG was associated with high depressive symptoms (Relative Risk Ratio, RRR: 2.42; 95% CI 1.33−4.41) and high anxiety symptoms (1.66; 1.08−2.56) but not with perceived stress. However, treated DM with uncontrolled BG was associated with anxiety (high: 1.64; 1.05−2.56; low: 2.59; 1.10−6.09) but not depression or perceived stress. Our results suggest that being treated for DM, regardless of glucose control status, was associated with anxiety symptoms, whereas being treated with controlled BG was associated with high depressive symptoms. This situation highlights the need for integrative, multidisciplinary care for DM patients with mental health comorbidities.
  15. Salway R, Su TT, Ismail R, Glynis Armstrong ME, Foster C, Johnson L
    J Glob Health, 2021;11:05029.
    PMID: 35003716 DOI: 10.7189/jogh.11.05029
    BACKGROUND: The COVID-19 pandemic prompted movement restrictions in countries worldwide, impacting on physical activity (PA), a major non-communicable disease risk factor, and thus may have unintentional long-term health implications. In semi-rural areas of low-middle-income-countries (LMICs), where occupational activity is the main source of PA, changes in PA associated with COVID-19 restrictions are unknown. We investigated the impact of Movement Control Order (MCO) restrictions in a semi-rural region of Malaysia.

    METHODS: The South East Asia Community Observatory (SEACO) is a dynamic prospective community cohort. We contacted a random sample of 1007 adults (18+) who had previously provided PA data in 2018. We asked about PA during the MCO (March-May 2020) and at the time of interview (June 2020).

    RESULTS: During the MCO, PA reduced by a mean of 6.7 hours/week (95% confidence interval (CI) = 5.3, 8.0) compared to 2018, with the largest reductions among those in employment. By June, PA was 3.4 hours/week (95% CI = 2.0, 4.8) less than 2018, leaving 34% of adults currently inactive (20% in 2018). Reductions in occupational PA were not replaced with active travel or activity at home. Despite these observed reductions, most participants did not think the MCO had affected their PA.

    CONCLUSIONS: Movement restrictions are associated with lower PA lasting beyond the period of strict restrictions; such longer-term reductions in PA may have a detrimental impact on health. Future MCOs should encourage people to be active, but may additionally need targeted messaging for those who don't necessarily realise they are at risk. In particular, policies developed in more affluent countries may not easily translate to LMICs.

  16. Mutang JA, Chua BS, Hon KY, Siau CS, Wider W, Ismail R
    Int J Environ Res Public Health, 2022 Sep 07;19(18).
    PMID: 36141527 DOI: 10.3390/ijerph191811258
    The COVID-19 pandemic has had a huge impact not only on healthcare systems and economic threats but also on relationships. Due to the massive measures of the Movement Control Order, such as social distancing, strictly limited physical activities, and making adjustments to working from home-merged with the pandemic's fear-romantic partners may face challenges that affect the quality of their relationships. The purpose of this study was to (i) identify stressors experienced by participants during the COVID-19 lockdown, (ii) evaluate participants'psychological well-being before and during the lockdown, and (iii) see if participants' perceived relationship quality differed before and during the lockdown. An online self-report questionnaire was used to recruit 334 adults (58.1 percent female, 41.9 percent male) with partners (married = 304, engaged = 12, and in committed relationships = 17). Participants were asked about stressors they encountered as a result of COVID-19 using an open-ended question. The Depression Anxiety Stress Scales (DASS-21) were used to assess mental health, and the Perceived Relationship Quality Component (PRQC) Inventory was used to assess relationship quality. According to the findings, the top three common stressors reported by participants were financial problems, restricted movement, and fear of COVID-19 infection. Participants reported significantly higher levels of stress, anxiety, and depression during the lockdown than before. The findings also revealed that participants' relationship quality improved during the lockdown compared to before the lockdown. The current study contributes by providing information on the impact of the COVID-19 pandemic on mental health and the quality of couples' relationships during the pandemic.
  17. Romli F, Alitheen NB, Hamid M, Ismail R, Abd Rahman NM
    J Cell Biochem, 2013 Jun;114(6):1230-7.
    PMID: 23239017 DOI: 10.1002/jcb.24477
    The first successful attempt to reprogram somatic cell into embryonic-like stem cell was achieved on 2006. Since then, it had sparked a race against time to bring this wonderful invention from bench to bedside but it is not easily achieved due to severe problems in term of epigenetic and genomic. With each problem arise, new technique and protocol will be constructed to try to overcome it. This review addresses the various techniques made available to create iPSC with problems hogging down the technique.
  18. Ngow HA, Wan Khairina WM, Teh LK, Lee WL, Harun R, Ismail R, et al.
    Singapore Med J, 2009 May;50(5):490-3.
    PMID: 19495518
    Genetic polymorphisms of CYP2C9 among different populations in different geographical regions could be different. CYP2C9 has been reported to be the enzyme responsible for the metabolism of many drugs, including warfarin and other drugs with a narrow therapeutic index. Realising the importance of inter-individual differences in the genetic profile in determining the outcome of a drug therapy, this study was conducted to explore the types and frequencies of CYP2C9 alleles in healthy and warfarin-treated Malays and Chinese, the two major ethnic groups in Malaysia. We aimed to evaluate the prevalence of the types and frequencies of common CYP2C9 alleles (*1, *2, *3 and *4) among the healthy unrelated individuals and diseased patients prescribed with warfarin.
  19. Mahat NA, Muktar NK, Ismail R, Abdul Razak FI, Abdul Wahab R, Abdul Keyon AS
    Environ Sci Pollut Res Int, 2018 Oct;25(30):30224-30235.
    PMID: 30155632 DOI: 10.1007/s11356-018-3033-8
    Contamination of toxic metals in P. viridis mussels has been prevalently reported; hence, health risk assessment for consuming this aquaculture product as well as the surrounding surface seawater at its harvesting sites appears relevant. Since Kampung Pasir Puteh, Pasir Gudang is the major harvesting site in Malaysia, and because the last heavy metal assessment was done in 2009, its current status remains unclear. Herein, flame atomic absorption spectrometry and flow injection mercury/hydride system were used to determine the concentrations of Pb, Cd, Cu and total Hg in P. viridis mussels and surface seawater (January-March 2015), respectively. Significantly higher concentrations of these metals were found in P. viridis mussels (p r = 0.787) observed between Pb concentration in P. viridis mussel with the surface seawater indicates its possible application for inferring Pb concentrations in the mussel. Since both the calculated target hazard quotient and hazard index for Pb and Cd exceeded 1, the possible detrimental health impacts on human for consuming P. viridis mussels from this rearing site cannot be ignored. Hence, promoting continuous monitoring programmes and developing efficient toxic metal removal techniques prior to entering the market are required.
  20. Ali HM, Sitinjak C, Md Said MH, Hassim JZ, Ismail R, Simic V
    Front Public Health, 2022;10:1093732.
    PMID: 36743182 DOI: 10.3389/fpubh.2022.1093732
    Effective management of end-of-life vehicles (ELVs) represents a sound strategy to mitigate global climate change. ELVs are contaminants that pollute water, air, soil, and landscape. This waste flow must be adequately treated, but no proper rule oversees the disposal of ELV waste in Malaysia. This study aims to determine the extent of implementing the ELV policy and the social readiness in implementing environmentally friendly ELV disposal in Malaysia. The questionnaire seeks public input on critical ELV concerns such as public perception of the phenomena, environmental and safety standards, and recycling and treatment facilities. This research uses a cross-sectional design with 448 respondents in the survey. Fit models in structural equation modeling are evaluated using a variety of goodness-of-fit indicators to ensure an actual hypothesis. This study's advantages include the availability of representative samples and allowing for comparable and generalizable conclusions to larger communities throughout Malaysia. It is found that personal experience is significantly correlated with social readiness. The cause of ELV vehicles knowledge was the vital mediator, along with recycling costs knowledge. Thus, knowledge regarding ELV management costs is the most decisive mediation variable to predict public acceptance. The recommended strategy to reduce resentment and rejection of ELV policy is to disseminate information about the negative ELV impact on environmental and social sustainability.
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