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Articles by I. Idris
Total Records ( 6 ) for I. Idris
  I. Idris and A. Arshad
  A checklist of polychaetous annelids identified within Malaysian territory is presented. The checklist is produced based on the collected specimens by the present authors and from published materials. Two species from the checklist that are currently commercially exploited were described in detail based on their original descriptions as well as current observation. In total, 64 polychaete species from 31 families have been identified in Malaysia from 1866 until present. The two described species, Halla okudai Imajima, 1967 and Diopatra claperedii Grube, 1878 are harvested as baitworms along the west coast of Peninsular Malaysia. The checklist has extended the distribution of these two species from their previous records. The number of polychaete species identified in Malaysia is lower than its neighbouring countries except the Philippines. The polychaete research in Malaysia is evaluated and research direction is commented.
  U. Bulugahapitiya , S. Siyambalapitiya , J. Sithole and I. Idris
  Aims  To determine whether patients with diabetes without prior myocardial infarction (MI) have the same risk of total coronary heart disease (CHD) events as non-diabetic patients with previous myocardial infarction.

Methods  Using medline, embase, Cochrane and MeSH in this systematic review and meta-analysis, extensive searching was carried out by cross-referencing from original articles and reviews. The study consisted of cohort or observational studies with hard clinical endpoints, including total CHD events (fatal or non-fatal myocardial infarction), stratified for patients with diabetes but no previous myocardial infarction, and patients without diabetes but with previous myocardial infarction. Studies with less than 100 subjects, follow-up of less than 4 years and/or without provisions for calculating CHD event rates were excluded. The review of articles and data extraction was performed by two independent authors, with any disagreements resolved by consensus.

Results  Thirteen studies were included involving 45 108 patients. The duration of follow-up was 5-25 years (mean 13.4 years) and the age range was 25-84 years. Patients with diabetes without prior myocardial infarction have a 43% lower risk of developing total CHD events compared with patients without diabetes with previous myocardial infarction (summary odds ratio 0.56, 95% confidence interval 0.53-0.60).

Conclusion  This meta-analysis did not support the hypothesis that diabetes is a ‘coronary heart disease equivalent’. Public health decisions to initiate cardio-protective drugs in patients with diabetes for primary CHD prevention should therefore be based on appropriate patients' CHD risk estimates rather than a ‘blanket’ approach of treatment.

  S. Sridharan , W. Gunathilake , D. J. Fernando and I. Idris
  Not available
  S. Ismail , I. Idris , Y.T. Ng and A.L. Ahmad
  Aluminum sulfate or alum is traditionally used as a coagulant in wastewater treatment since it has proven its effectiveness in the removal suspended solid. In the current study, coagulation process is used as a pre-treatment to remove the high content of the suspended solids for membrane distillation treatment in raw Palm Oil Mill Effluent (POME) at high temperature. The performance in term of percentage suspended solids removal was evaluated to identify the optimum conditions for each of temperatures (30, 50, 60, 70 and 80°C). The operating parameters for the coagulation process which are coagulant dosages (1-6 g L-1) and pH (4-8). The optimum temperature for coagulation process was found at 50°C with pH (6.5) and coagulant dosage (4 g L-1). Thus, these finding shows it can be used as pretreatment before further treat by membrane distillation (MD) treatment.
  Mamat- Hamidi , I. Idris and M. Hilmi
  Interspecific hybridization has been reported for a wide variety of vertebrate species either spontaneous or by organized crossing of bovine species. The hybrids were often carrying intermediate characters genetically and phenotipically of the parents. Thus, status information of both aspects is valuable in animal production for selection and breeding management. The Gaur-cattle hybrids was reported to be superior in production value compared to their parent cattle but fertility status was still questionable. The project was abandoned due to their fertility issue and the hybrids were kept within the cattle in a dairy farm. Cytogenetic status and breeding record of the remaining herd were unavailable since then. The herd was then translocated to a deer farm (PTH Lenggong) and kept freely in the paddock. Recently, two female calves were born via inter se mating. Peripheral blood cultures of Malayan Gaur, Sahiwal-Friesian cattle and Gaur x cattle hybrid backcrosses were analyzed via Giemsa stained metaphase. The Gaur and cattle were having diploid chromosome number (2n) of 56 and 60, respectively. Interestingly, the backcrosses from the hybrids by cattle bulls were found to have two chromosome arrangements, which are 2n = 58 and 2n = 60.
  W Gunathilake , S Song , S Sridharan , D. J Fernando and I. Idris

Background: Young patients (aged < 40 years) with type 2 diabetes (T2D) have a high lifetime risk of developing cardiovascular disease (CVD). However, little is known about the CVD risk profile of this cohort in the UK primary care setting.

Aim: To determine CVD risk profile of young patients with T2D without CVD compared to older (aged >40 years) subjects.

Design: A cross-sectional study using The Health Improvement Network (THIN) database, which contains anonymized patient information from more than 300 general practices throughout England and Wales.

Methods: T2D subjects above the age of 18 years without previous CVD and not on lipid or blood pressure lowering therapy were randomly selected. Data on glycaemic control and CVD risk factors [weight, body mass index (BMI), lipid profile] were collected.

Results: A total of 49 919 patients with T2D were identified, of whom 2756 (0.5%) and 47 163 (99.5%) were aged below and above 40 years, respectively. Despite being at least 30 years younger (mean age: early vs. later onset; 33.8 vs. 66.9 years, P < 0.001), the proportions of adverse CVD risk profiles for young patients were similar to the older cohort with T2D. For young vs. old patients: the prevalence of BMI >25: 84.4% vs. 85.3%, P = 0.77; total cholesterol >4 mmol/l: 53.4% vs. 53.8%, P = 0.76; systolic hypertension: 58.2 vs. 58.4%, P = 0.36 and diastolic hypertension: 28.1 vs. 28.5%, P = 0.73). Glycaemic controls were similarly suboptimal between the two groups (mean HbA1c: young vs. old; 7.6% vs. 7.5%, P = 0.49). The prevalence of risk factor clustering were also similar between young vs. old patients with T2D.

Discussion: Young T2D subjects possess risk factors that confer high lifetime risk for macrovascular complications, and therefore merits aggressive cardioprotective treatment.

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