Displaying publications 1 - 20 of 34 in total

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  1. Romaino SM, Teh LK, Zilfalil BA, Thong CP, Ismail AA, Amir J, et al.
    J Clin Pharm Ther, 2004 Feb;29(1):47-52.
    PMID: 14748897 DOI: 10.1046/j.1365-2710.2003.00535.x
    Polymorphism of the beta2-adrenergic receptor (beta2 AR) gene is an important determinant of the function of this receptor. It affects receptor down-regulation and beta2-agonist responses. It has also been a focus of interest in attempts to elucidate the genetic basis of asthma, hypertension, obesity and cystic fibrosis. Several different techniques have been established to determine beta2 AR genotypes but none of these methods are simple enough to detect simultaneously all the five alleles of our research interest (Arg16/Gly16, -20T/C, Gln27/Glu27, -47T/C and Thr164/Ile164).
  2. Al-Mahmood A, Ismail A, Rashid F, Mohamed W
    J Atheroscler Thromb, 2006 Jun;13(3):143-8.
    PMID: 16835469
    There are numerous reports on insulin resistance in subjects with hypertriglyceridemia but most of the studies involved obese or diabetic subjects. We were interested to study such events but in a population free from other confounders influencing insulin sensitivity (i.e., obesity, glucose intolerance and hypertension). From the population of a cross-sectional study we obtained 12 subjects with isolated hypertriglyceridemia and compared their insulin sensitivity with that of normolipidemic subjects in that study. Insulin sensitivity and secretory status were computed using homeostasis model assessment (HOMA) software. The insulin sensitivity of hypertriglyceridemic subjects was found to be lower than in normolipidemic subjects. For the hypertriglyceridemic subjects, insulin sensitivity (HOMA%S) was 60.07% (values adjusted for age, BMI, waist circumference, and cholesterol levels), which was substantially lower than that of normolipidemic subjects (150.03%; p<0.001). The insulin secretory status (HOMA%B) of the two groups was 248.17% and 124.63%, respectively, and significantly different (p<0.001). Relative insulin resistance, HOMA-IR, of the two groups was 4.90 and 1.54, respectively. We therefore concluded that in comparison with normolipidemic subjects, the insulin sensitivity of otherwise healthy non-obese hypertriglyceridemic subjects was lower, and that B cells had to work harder to compensate for the lowered insulin sensitivity.
  3. Al-Mahmood AK, Ismail AA, Rashid FA, Wan Bebakar WM
    Malays J Med Sci, 2006 Jul;13(2):37-44.
    PMID: 22589603 MyJurnal
    Insulin insensitivity is a common finding in several metabolic disorders including glucose intolerance, dyslipidemia, hyperuricemia and hypertension. Most of the previous studies on insulin sensitivity were performed on diabetic or obese population. So our knowledge about insulin sensitivity of healthy population remains limited. Rising prevalence of obesity, diabetes and metabolic syndrome is a serious issue in Malaysia and some other rapidly developing countries. So it is important to look at the insulin sensitivity status of healthy Malaysian subjects and to compare it in future with those of diabetic, obese or metabolic syndrome patients. In this study we sampled subjects who were independent of confounding factors such as obesity (including abdominal obesity), hypertension and glucose intolerance (diabetes, IGT or IFG) which may influence insulin sensitivity. Fasting plasma glucose, fasting insulin and lipid profile were determined. Insulin sensitivity and secretory status were calculated using the homeostasis model assessment (HOMA) software (HOMA%S, HOMA%B and HOMA-IR). The insulin sensitivity (HOMA%S) of healthy Malay subjects aged between 30-60 years was 155.17%, HOMA-IR was 1.05 and HOMA%B was 116.65% (values adjusted for age, sex, BMI and waist circumference). It was seen that non-obese Malaysians can prevent age related lowering of insulin sensitivity if they can retain their BMI within limit.
    Study site: 7 schools and 2 public offices in Kota Bharu, Kelantan, Malaysia
  4. Kamarul Imran M, Ismail AA, Naing L, Wan Mohamad WB
    PMID: 17539293
    The objective of this study was to examine the reliability and validity of the Malay version of the 18-item Audit of Diabetes Dependent Quality of Life (the Malay ADDQOL). Patients with type 2 diabetes mellitus who fulfilled the inclusion criteria were systematically selected. The Malay ADDQOL linguistically validated from the 18-item English version ADDQOL was self-administered twice at a 1-week interval. Two hundred eighty-eight respondents were included in the study. Analysis involved checking the feasibility, floor and ceiling effects, internal consistency, test-retest reliability and factor analysis. Item means and standard deviations fulfilled the Likert scale assumptions. The Cronbach's alpha was 0.943 (lower bound of the 95% CI of 0.935) and the intraclass correlation coefficient was 0.81 (95% CI from 0.72 to 0.87). Exploratory one factor analysis showed factor loadings above 0.5 for all the 18 items. The Malay ADDQOL has acceptable linguistic validity. It is feasible, has excellent reliability, content, construct validity, and is recommended to be used among Malay-speaking diabetic patients.
  5. Al-Mahmood AK, Ismail AA, Rashid FA, Azwany YN, Singh R, Gill G
    J Atheroscler Thromb, 2007 Jun;14(3):122-7.
    PMID: 17587763 DOI: 10.5551/jat.14.122
    AIM: To determine the effects of lipid lowering by TLC on insulin sensitivity and secretory status of non-obese normoglycemic hyperlipidemic subjects.
    METHODS: An intervention study was undertaken on 16 non-obese normoglycemic hyperlipidemic subjects. They underwent 6 months of a TLC regimen. Their insulin sensitivity and lipid status were assessed at baseline and after six months. A control group containing 16 age, sex and body mass index (BMI) matched normolipidemic subjects was also enrolled to compare the change in lipid levels and insulin sensitivity in the hyperlipidemic subjects.
    RESULTS: The intervention showed significant reductions in insulin resistance (HOMA-IR reduced from 3.8 to 1.4, p<0.001) and improvement of insulin sensitivity (HOMA%S increased from 50.1% to 121.2%, p=0.004) in hyperlipidemic subjects with associated reductions in lipid levels.
    CONCLUSION: Lipid lowering in non-obese hyperlipidemic subjects may be associated with improvement of insulin sensitivity.
    Study site: Staff of university and offices, Kelantan, Malaysia
  6. Rahman S, Ismail AA, Ismail SB, Naing NN, Abdul Rahman AR
    Eur J Clin Pharmacol, 2007 Aug;63(8):733-41.
    PMID: 17565489 DOI: 10.1007/s00228-007-0315-3
    OBJECTIVE: To investigate whether pharmacological interventions with rosiglitazone/ramipril can reverse preclinical vasculopathy in newly diagnosed untreated patients with type 2 diabetes (T2DM) and impaired glucose tolerance (IGT).

    METHODS: In this randomised, double-blind, placebo-controlled study, 33 T2DM and 33 IGT patients were randomised to 4 mg rosiglitazone or 5 mg ramipril or placebo for 1 year. The subjects were newly diagnosed, untreated, normotensive, nonobese, nonsmoker, and nonhyperlipidaemic. Haemodynamic variables were measured at three treatment phases and pulse wave velocity (PWV) and augmentation index (AI) were measured throughout the treatment period.

    RESULTS: Rosiglitazone showed a significant reduction in PWV (p=0.039) and AI (p=0.031) and ramipril demonstrated a significant reduction of AI (p=0.025) in IGT in comparison to placebo on the 12th month of treatment. No significant difference was observed in PWV and AI in T2DM with rosiglitazone/ramipril in comparison to placebo during overall treatment period.

    CONCLUSIONS: Rosiglitazone significantly reversed preclinical vasculopathy in IGT as evident by significant decrease in PWV and AI after 1 year of treatment. Ramipril also reduced large artery stiffness as shown by significant decrease of AI after 1 year of treatment in IGT. Further trials are needed for a longer period of time, maybe with higher doses, to show whether rosiglitazone/ramipril can reverse preclinical vasculopathy in T2DM.
  7. Rahman S, Rahman T, Ismail AA, Rashid AR
    Diabetes Obes Metab, 2007 Nov;9(6):767-80.
    PMID: 17924861 DOI: 10.1111/j.1463-1326.2006.00655.x
    The complications associated with diabetic vasculopathy are commonly grouped into two categories: microvascular and macrovascular complications. In diabetes, macrovascular disease is the commonest cause of mortality and morbidity and is responsible for high incidence of vascular diseases such as stroke, myocardial infarction and peripheral vascular diseases. Macrovascular diseases are traditionally thought of as due to underlying obstructive atherosclerotic diseases affecting major arteries. Pathological changes of major blood vessels leading to functional and structural abnormalities in diabetic vessels include endothelial dysfunction, reduced vascular compliance and atherosclerosis. Besides, advanced glycation end product formation interacts with specific receptors that lead to overexpression of a range of cytokines. Haemodynamic pathways are activated in diabetes and are possibly amplified by concomitant systemic hypertension. Apart from these, hyperglycaemia, non-enzymatic glycosylation, lipid modulation, alteration of vasculature and growth factors activation contribute to development of diabetic vasculopathy. This review focuses on pathophysiology and pathogenesis of diabetes-associated macrovasculopathy.
  8. Rahman S, Ismail AA, Ismail SB, Naing NN, Rahman AR
    Diabetes Res Clin Pract, 2008 May;80(2):253-8.
    PMID: 18249457 DOI: 10.1016/j.diabres.2007.12.010
    Type II diabetes patients have increased risk of macrovascular complications compared with the general population. Arterial stiffness is considered as an independent predictor of macrovascular events. This study investigated arterial stiffness in newly diagnosed never treated diabetes and impaired glucose tolerance (IGT) patients without any traditional cardiovascular diseases (CVD) risk factors. After preliminary screening of 1620 individuals, 30 diabetic and 30 IGT patients were recruited and compared with age- and sex-matched 30 normoglycaemic subjects. The subjects were newly diagnosed, never treated, normotensive, non-obese, non-hyperlipidaemic and non-smoker. Haemodynamic variables, pulse wave velocity (PWV) and augmentation index (AI) were measured. The PWV was significantly higher in diabetic patients (10.37+/-2.64m/s vs. 8.70+/-1.29m/s; p=0.035) and was of borderline significant in IGT subjects (9.54+/-1.56m/s vs.8.70+/-1.29m/s, p=0.078) compared to normoglycaemic individuals. Augmentation index was higher of borderline significant in diabetic (134.53+/-17.32% vs. 129.17+/-11.18%, p=0.055) and IGT patients (132.02+/-16.11% vs. 129.17+/-11.18%, p=0.059) compared to normoglycaemic individuals. The study demonstrated that newly diagnosed never treated diabetic patients without any CV complications had early manifestation of macrovascular diseases as evident by increased arterial stiffness. The findings also revealed early manifestations of preclinical vasculopathy and potentially increased risk for development of macrovascular diseases at an early age in diabetic patients.
  9. Robert SD, Ismail AA, Winn T, Wolever TM
    Asia Pac J Clin Nutr, 2008;17(1):35-9.
    PMID: 18364324
    The objective of the present study was to measure the glycemic index of durian, papaya, pineapple and water-melon grown in Malaysia. Ten (10) healthy volunteers (5 females, 5 males; body mass index 21.18+/-1.7 kg/m2) consumed 50 g of available carbohydrate portions of glucose (reference food) and four test foods (durian, papaya, pineapple and watermelon) in random order after an overnight fast. Glucose was tested on three separate occasions, and the test foods were each tested once. Postprandial plasma glucose was measured at intervals for two hours after intake of the test foods. Incremental areas under the curve were calculated, and the glycemic index was determined by expressing the area under the curve after the test foods as a percentage of the mean area under the curve after glucose. The results showed that the area under the curve after pineapple, 232+/-24 mmolxmin/L, was significantly greater than those after papaya, 147+/-14, watermelon, 139+/-8, and durian, 124+/-13 mmolxmin/L (p<0.05). Similarly, the glycemic index of pineapple, 82+/-4, was significantly greater than those of papaya, 58+/-6, watermelon, 55+/-3, and durian, 49+/-5 (p<0.05). The differences in area under the curve and glycemic index among papaya, watermelon and durian were not statistically significant. We conclude that pineapple has a high glycemic index, whereas papaya is intermediate and watermelon and durian are low glycemic index foods. The validity of these results depends on the accuracy of the data in the food tables upon which the portion sizes tested were based.
  10. Robert SD, Ismail AA
    PMID: 19771140
    AIM: To determine the glycemic index (GI) of Malaysian wild honey and Australian honey.

    METHODS: Eight healthy volunteers (5 men and 3 women, aged 24-44 y, with normal BMI) were served 50 g carbohydrate portions of two varieties of honey or the reference food (glucose, tested 3 times), on separate occasions. Capillary blood glucose was measured fasting and at 15, 30, 45, 60, 90 and 120 min after the start of the test meals. The GI was calculated by expressing each subject's incremental area under the blood glucose curve (AUC) after honey as a percentage of his or her mean AUC after glucose.

    RESULTS: The results showed that the mean AUC of the Malaysian and Australian honeys, 174+/-19 and 158+/-16 mmolxmin/l, respectively, did not differ from each other but were significantly less than that after glucose, 259+/-15 mmolxmin/l (P<0.001). The mean GI of Malaysian wild honey, 65+/-7, did not differ from that of Australian honey, 59+/-5, but both were significantly less than the GI of glucose, 100 (P<0.001).

    CONCLUSIONS: We conclude that both Malaysian wild honey (GI=65+/-7) and Australian honey (GI=59+/-5) are intermediate GI foods.

  11. Kamarul Imran M, Ismail AA, Naing L, Wan Mohamad WB
    Singapore Med J, 2010 Feb;51(2):157-62.
    PMID: 20358156
    INTRODUCTION: This study aimed to compare the quality of life based on the Short Form-36 (SF-36) between two different groups of type 2 diabetes mellitus patients with glycaemic control: those with a glycosylated haemoglobin (HbA1c) level at or below 7.5 percent and those above 7.5 percent.
    METHODS: In this cross-sectional study, a generic SF-36 questionnaire was self-administered to patients with type 2 diabetes mellitus. Based on the HbA1c level, the mean SF-36 scale scores were compared. The analysis of covariance was used to obtain the adjusted mean scores of the SF-36 scales while controlling for age and duration of type 2 diabetes mellitus.
    RESULTS: 150 patients with type 2 diabetes mellitus were analysed. There were 63 (42 percent) women and 87 (58 percent) men, and their mean HbA1c level was 8.9 percent (SD 2.4 percent). When comparing the two groups of patients with different HbA1c levels, the adjusted means of four scales: physical health functioning, general health, social functioning and mental health, differed significantly between the two. The SF-36 scale scores in type 2 diabetes mellitus patients were also lower than those of the SF-36 norms for the Malaysian population.
    CONCLUSION: Type 2 diabetes mellitus patients with poor glycaemic control had lower mean SF-36 scores in physical functioning, general health, social functioning and mental health, and the SF-36 scores in these patients were also lower than the SF-36 norms of the Malaysian population.
  12. Al-Tahami BA, Yvonne-Tee GB, Halim AS, Ismail AA, Rasool AH
    Methods Find Exp Clin Pharmacol, 2010 Apr;32(3):181-5.
    PMID: 20448860 DOI: 10.1358/mf.2010.32.3.1423887
    Iontophoresis of acetylcholine (ACh) and sodium nitroprusside (SNP) combined with laser Doppler fluximetry (LDF) is a tool used to determine microvascular endothelial function. Our aim was to study the reproducibility of different parameters of this technique using iontophoresis with low current strength on the forearm skin of healthy subjects. Baseline skin perfusion was done before application of five current pulses with 1 min of current-free interval. Current strength of 0.007 mA, current density of 0.01 mA/cm(2) and charge density of 6 mC/cm(2) were used, along with 1% ACh and 1% SNP. The absolute maximum change in perfusion (max), percent change in perfusion (% change), peak change in perfusion (peak) and area under the curve during iontophoresis (AUC) at the anodal and cathodal leads were recorded. Measurements were performed in three sessions for 2 days. The coefficient of variation (CV) was calculated for each parameter. Among the parameters studied, maximum change in perfusion and peak flux were the most reproducible parameters.
  13. Che Yaakob CA, Dzarr AA, Ismail AA, Zuky Nik Lah NA, Ho JJ
    PMID: 20556784 DOI: 10.1002/14651858.CD007801.pub2
    BACKGROUND: Thromboembolic complications are much higher in pregnancy due to procoagulant changes. Heparin does not cross the placenta and the use of unfractionated heparin (UFH) is the current established practice in prophylaxis and treatment for thromboembolism in pregnancy.

    OBJECTIVES: To compare the effectiveness of anticoagulant therapies for the treatment of deep vein thrombosis in pregnancy. The anticoagulant drugs included are UFH, low molecular weight heparin (LMWH) and warfarin.

    SEARCH STRATEGY: We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (March 2010) and reference lists of retrieved studies.

    SELECTION CRITERIA: Randomised controlled trials comparing any combination of warfarin, UFH, LMWH and placebo in pregnant women.

    DATA COLLECTION AND ANALYSIS: We used methods described in the Cochrane Handbooks for Systemic Reviews of Interventions for assessing the eligibility of studies identified by the search strategy. A minimum of two review authors independently assessed each study.

    MAIN RESULTS: We did not identify any eligible studies for inclusion in the review.We identified three potential studies; after assessing eligibility, we excluded all three as they did not meet the prespecified inclusion criteria. One study compared LMWH and UFH in pregnant women with previous thromboembolic events and, for most of these women, anticoagulants were used as thromboprophylaxis. There were only three women who had a thromboembolic event during the current pregnancy and it was unclear whether the anticoagulant was used as therapy or prophylaxis. We excluded one study because it included only women undergoing caesarean birth. The third study was not a randomised trial.

    AUTHORS' CONCLUSIONS: There is no evidence from randomised controlled trials on the effectiveness of anticoagulation for deep vein thrombosis in pregnancy. Further studies are required.

  14. Mustafa N, Kamarudin NA, Ismail AA, Khir AS, Ismail IS, Musa KI, et al.
    Diabetes Care, 2011 Jun;34(6):1362-4.
    PMID: 21498788 DOI: 10.2337/dc11-0005
    OBJECTIVE:
    To determine the prevalence of prediabetes and diabetes among rural and urban Malaysians.
    RESEARCH DESIGN AND METHODS:
    This cross-sectional survey was conducted among 3,879 Malaysian adults (1,335 men and 2,544 women). All subjects underwent the 75-g oral glucose tolerance test (OGTT).
    RESULTS:
    The overall prevalence of prediabetes was 22.1% (30.2% in men and 69.8% in women). Isolated impaired fasting glucose (IFG) and impaired glucose tolerance (IGT) were found in 3.4 and 16.1% of the study population, respectively, whereas 2.6% of the subjects had both IFG and IGT. Based on an OGTT, the prevalence of newly diagnosed type 2 diabetes was 12.6% (31.0% in men and 69.0% in women). The prediabetic subjects also had an increased prevalence of cardiovascular disease risk factors.
    CONCLUSIONS:
    The large proportion of undiagnosed cases of prediabetes and diabetes reflects the lack of public awareness of the disease.
  15. Shaharudin S, Ghosh AK, Ismail AA
    J Sports Med Phys Fitness, 2011 Dec;51(4):576-82.
    PMID: 22212259
    The present study was undertaken to evaluate the anaerobic capacity in repeated sprint cycling bouts during mid-luteal (ML) and mid-follicular (MF) phases of ovarian cycle.
  16. Wan Nazaimoon WM, Musa KI, Md Khir AS, Ismail AA, Ismail IS, Khalid BAK, et al.
    Asia Pac J Clin Nutr, 2011;20(1):35-41.
    PMID: 21393108
    A total of 4428 adults (>18 years old) from 5 different selected regions in Peninsular and East Malaysia participated in this health survey. Using World Health Organization recommendations for body mass index (BMI), the prevalence of overweight and obesity were found to be 33.6% (95% CI= 32.2, 35.0) and 19.5% (95% CI= 18.3, 20.7) respectively. There were more females who were obese (22.5%, 95% CI=20.9, 24.0) compared to males (14.1%, 95% CI=12.3, 15.9). Highest prevalence of obesity were among the Indians (24.6%, 95% CI=20.3, 29.3), followed closely by the Malays (23.2%, 95% CI=21.6, 24.8%) and lowest prevalence was among the Chinese subjects (8.2%, 95% CI=6.2, 10.6). More than 43% of the 531 younger subjects (<30 years old) were either overweight (20%, 95% CI=16.6, 23.6) or obese (13.9%, 95% CI=11.1, 17.2%). All subjects who claimed to be non-diabetes were required to undergo 75 g glucose tolerance test. Compared to subjects with normal BMI (18.5-24.9 kg/m2), there was a 3- and 2-folds increase in the prevalence of newly diagnosed diabetes and impaired glucose tolerance respectively, among obese subjects (BMI>30 kg/m2) who initially claimed to have no diabetes. This study highlights a need for more active, inter-sectoral participation advocating a health-promoting environment in order to combat obesity in this country.
  17. Lokman FE, Seman NA, Ismail AA, Yaacob NA, Mustafa N, Khir AS, et al.
    J Nephrol, 2011;24(6):778-89.
    PMID: 21360476 DOI: 10.5301/JN.2011.6382
    BACKGROUND: Diabetic nephropathy (DN) is the most common cause of end-stage renal disease (ESRD) among type 2 diabetes mellitus patients (DM) in Malaysia. This study used microarray analysis to determine the gene expression profiling in ethnic Malay patients with type 2 DM.
    METHODS: A total of 312 patients were recruited; 25 were on dialysis due to ESRD, 128 were classified as normoalbuminuric, 93 as microalbuminuric and 66 as macroalbuminuric, based on urine albumin to creatinine ratio of <3.5, between 3.5 and 35 and =35 mg/mmol, respectively.
    RESULTS: Microalbuminuria was associated with up- and down-regulation of 2,694 and 2,538 genes, respectively, while macroalbuminuria was associated with up-regulation of 2,520 genes and down-regulation of 2,920 genes. There was significant up-regulation of 1,135 genes and down-regulation of 908 genes in the ESRD samples. Thirty-seven significantly up-regulated genes and 40 down-regulated genes were commonly expressed in all 3 groups of patients with worsening of renal functions. Up-regulated genes included major histocompatibility complex (HLA-C), complement component 3a receptor 1 (C3AR1), solute carrier family 16, member 3 (SLC16A3) and solute carrier family 9 (sodium/hydrogen exchanger) (SLC9A8). Consistently down-regulated genes included were bone morphogenetic phosphatase kinase (BMP2K), solute carrier family 12, member 1 (SLC12A1), solute carrier family 7 (SLC7A2), paternally expressed 10 (PEG10) and protein phosphatase 1 regulatory (inhibitor unit) (PPP1R1C).
    CONCLUSION: This study has identified several genes of interest, such as HLA-C, SLC16A3, SLC9A8, SLC12A1 and SLC7A2, that require verification of their roles as susceptibility genes for diabetic nephropathy in ethnic Malays with type 2 DM.
  18. Al-Tahami BA, Bee YT, Ismail AA, Rasool AH
    Clin. Hemorheol. Microcirc., 2011;47(2):87-97.
    PMID: 21339629 DOI: 10.3233/CH-2010-1370
    INTRODUCTION: This study aims to assess microvascular endothelial function in obese compared to age matched lean controls. Serum lipid profile, fasting glucose, high sensitivity C-reactive protein (hs-CRP) and adiponectin levels were also determined.
    METHODS: This cross-sectional study involved 36 healthy lean and 36 obese subjects. Microvascular endothelial function was assessed using Laser Doppler fluximetry and iontophoresis with acetylcholine and sodium nitroprusside.
    RESULTS: Mean age of subjects was 26.54 ± 0.60 years. Obese subjects had higher systolic (118.8 ± 1.5 vs 105.7 ± 2.0 mmHg, p < 0.001) and diastolic blood pressure (71.61 ± 1.35 vs 64.53 ± 1.40 mmHg, p = 0.001), higher triglyceride (1.35 ± 0.13 vs 0.79 ± 0.05 mmol/l, p < 0.001), lower high density lipoprotein cholesterol (HDL-C) (1.43 ± 0.04 vs 1.62 ± 0.05 mmol/l, p = 0.003), higher hs-CRP (11.58 ± 1.88 vs 1.88 ± 0.35 mg/l, p < 0.001), and lower adiponectin levels (8.80 ± 0.43 vs 25.93 ± 0.40 μg/ml, p < 0.001) compared to lean subjects. Endothelial dependent vasodilatation was lower in obese compared to lean subjects (40.53 ± 6.59 vs 71.03 ± 7.13 AU, p = 0.001).
    CONCLUSION: Microvascular endothelial function is reduced in obese compared to age matched controls. This is associated with higher BP, triglyceride and lower HDL-C and adiponectin levels in obese group.
    Study site: not mentioned
  19. Mohamud WN, Ismail Aa, Khir AS, Ismail IS, Musa KI, Kadir KA, et al.
    Diabetes Res Clin Pract, 2012 04;96(1):91-7.
    PMID: 22553777 DOI: 10.1016/j.diabres.2011.11.020
    Aim: To report the national prevalence of metabolic syndrome (MetS) and its risk factors among adult Malaysians (>18 years old) based on World Health Organization (WHO), the National Cholesterol Education Program Expert Panel III (ATP III), International Diabetes Federation (IDF) and the 'Harmonized' criteria.Methods: A multi-stage stratified sampling method was used to select 4341 subjects from Peninsular and East Malaysia. Subjects underwent physical and clinical examinations.Results: Based on the WHO, ATP III, IDF and Harmonized definitions, the overall crude prevalences of MetS were 32.1, 34.3, 37.1 and 42.5%, respectively. Regardless of the criteria used, MetS was higher in urban areas, in females, in the Indian population and increased significantly with age. Risk factors also increased with age; abdominal obesity was most prevalent (57.4%), was higher in females (64.2%) and was highest in Indians (68.8%).Hypertension was higher in males (56.5%) and highest among Malays (52.2%). In contrast,the Chinese had the highest prevalence of hypertriglyceridemia (47.4%).Conclusions: Malaysia has a much higher prevalence of MetS compared with other Asian countries and, unless there is immediate intervention to reduce risk factors, this may pose serious implications on the country's healthcare costs and services.
  20. Yeow TP, Khir AS, Ismail AA, Ismail IS, Kamarul Imran M, Khalid BA, et al.
    Diabet Med, 2012 Nov;29(11):1378-84.
    PMID: 22803824 DOI: 10.1111/j.1464-5491.2012.03741.x
    AIMS: Cardiovascular disease is the foremost cause of mortality in Malaysia but little is known about the prevalence of the metabolic syndrome and its associations with other known cardiovascular risk markers. We undertook a population-based study to examine these.
    METHODS: For the study, 4341 subjects were selected using a multistage stratified sampling method. Subjects were interviewed for personal and past medical history. Biomedical markers and anthropometric indices were measured. The metabolic syndrome was defined using the harmonized criteria. The associations between the metabolic syndrome and cardiovascular risk markers, including high-sensitivity C-reactive protein, microalbuminuria and HbA(1c) were examined.
    RESULTS: The prevalence of the metabolic syndrome was 42.5%. Subjects with the metabolic syndrome are significantly more likely to have higher BMI (> 25 kg/m(2)), HbA(1c) [≥ 42 mmol/mol (6.0%)], LDL (≥ 2.6 mmol/l), elevated albumin:creatinine ratio (> 2.5 μg/mmol creatinine for men, 3.5 μg/mmol creatinine for women) and high-sensitivity C-reactive protein (> 3 mg/l); odds ratio 5.48, 6.14, 1.44, 3.68 and 1.84, respectively, P < 0.001. The presence of an elevated albumin:creatinine ratio and high-sensitivity C-reactive protein are strong predictors for the presence of a higher number of positive criteria of the metabolic syndrome. HbA(1c) > 48 mmol/mol (6.5%) is associated with increased relative risk of elevated albumin:creatinine ratio, high-sensitivity C-reactive protein and LDL (relative risk 3.10, 2.46 and 1.65 respectively, P < 0.001).
    CONCLUSIONS: We confirmed the high prevalence of the metabolic syndrome in Malaysia. Our study revealed a strong relationship between risk markers of elevated BMI, HbA(1c), LDL, albumin:creatinine ratio and high-sensitivity C-reactive protein with the presence of the metabolic syndrome, putting them at a statistically high risk for cardiovascular mortality.
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