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  1. Fulltext A study of knowledge and attitudes towards contraception among health care staff in Kelantan (Malaysia)
    Suhaimi H, Monga D, Siva A
    Singapore Med J, 1996 Feb;37(1):51-4.
    PMID: 8783914
    OBJECTIVE: To study the knowledge, attitudes and practices on various contraceptive methods among all government health clinic staff in the state of Kelantan.
    DESIGN: Questionnaire-based study.
    SETTING: All government health clinics in the state of Kelantan which are health facilities located outside the general hospital and seven district hospitals.
    SUBJECTS: All 711 nursing staff employed in government health clinics in Kelantan state (sisters, staff nurses, assistant nurses and midwives).
    METHOD: Pretested, prestructured proforma was sent out to all the nursing staff employed in all peripheral health centres to be completed by them and returned the same day via the medical officer in charge of that district.
    RESULTS: Most of the respondents were more than 30 years of age, married, multiparous and working for more than 5 years. Eighty to ninety percent practised contraception, with the majority of midwives preferring pills and the majority of staff nurses preferring condoms. Thirty to forty percent from all groups felt that folk methods are effective, and should be encouraged. Only about 50% of staff nurses are well informed on all contraceptive methods, but among assistant nurses and midwives, this figure is only 33%. A high proportion felt that the nursing curriculum deals inadequately with this subject.
    CONCLUSION: The first step towards achieving success in our family planning programme lies in imparting more information to this target group of health workers, by incorporating more lectures during training and sending them for courses.
    PIP: 711 government health clinic nursing staff in Kelantan state were surveyed about their knowledge, attitudes, and use of various contraceptive methods. 11 sisters, 122 staff nurses, 173 assistant nurses, and 334 midwives returned the questionnaire the same day of receipt. Most respondents were older than age 30 years, married, multiparous, and working for more than 5 years. 80-90% practiced contraception, with the majority of midwives preferring oral pills and the majority of staff nurses preferring condoms. 30-40% from each subgroup of respondents believed folk methods of contraception are effective and worthy of being encouraged. Approximately 50%, 33%, and 33% of staff nurses, assistant nurses, and midwives, respectively, were well informed on all contraceptive methods. A high proportion of staff felt that the nursing curriculum fails to adequately address the subject. The authors stress that in order to realize success in the family planning program, more information must first be imparted to these health personnel. To that end, more lectures could be provided during training, followed by frequent and thorough refresher courses for all nursing staff.
  2. Fulltext The blood pressure variability, arterial elasticity and humoral factors in subjects with family history of hypertension
    Rafidah HM, Azizi A, Suhaimi H, Noriah MN
    Med J Malaysia, 2008 Mar;63(1):9-16.
    PMID: 18935724 MyJurnal
    Normotensive subjects with family history of hypertension (FHT) have been reported to have increased left ventricular mass index and reduced ventricular compliance. Of interest is whether blood pressure variability (BPV), which has been associated with target organ damage, is then part of this complex inherited syndrome? The objectives of this study are to determine whether there are any significant differences in BPV, arterial compliance and humoral factors in subjects with FHT as compared to controls. Thirty-five subjects with self reported FHT and 35 matched controls underwent 24 hour BP monitoring (BR-102, Schiller Inc. Germany). Arterial compliance was measured using systolic pulse wave tonometry (HDI/Pulsewave Cardiovascular Profiling Instrument, Hypertension Diagnostic Inc. USA). None of the subjects were hypertensive or diabetic. Out of these numbers, 25 subjects with FHT and 26 controls had measurements of plasma catecholamines, plasma renin and serum aldosterone. Catecholamines were assayed with high performance liquid chromatography, while both renin and aldosterone measurements were by radioimmunoassay. Subjects with FHT have higher night time BPV. There was no significant difference in arterial compliances between both groups. There were increased level of norepinephrine (NE) in subjects with FHT but epinephrine (E), renin and aldosterone levels were similar in both groups. There were no correlations between NE and BPV but E was negatively associated with daytime and mean arterial systolic BPV. In conclusion subjects with FHT demonstrated a higher night time BPV and NE level as compared to controls.
  3. Curcumin in a model skin lotion formulation
    Suhaimi H, Ahmad FB, Friberg SE
    J Pharm Sci, 1995 Mar;84(3):376-80.
    PMID: 7616381
    A lamellar liquid crystalline region was identified in a typical skin lotion formulation system composed of a mixture of isostearic acid and triethanolamine (TEA) at 65:35 (w/w), decane, and water (the temperature was controlled at 30 degrees C). The interlayer spacings were determined by a small-angle X-ray diffraction technique. Incorporation of a natural dye, curcumin, resulted in lower interlayer spacings and higher penetration of water into the layered structure. However, the higher penetration of water was not apparent at all compositions of isostearic acid:TEA, decane, and water.
  4. Liquid crystals and microemulsions formed by mixtures of a non-ionic surfactant with palm oil and its derivatives
    Raman IA, Suhaimi H, Tiddy GJ
    Adv Colloid Interface Sci, 2003 Dec 1;106:109-27.
    PMID: 14672844
    The phase behaviour of palm olein (PO) and its derivative oils (palm oil methyl esters and medium chain triglycerides) with Imbentin coco 6.9EO, an ethoxylated C12-14 alcohol, in water has been investigated to identify compositions where microemulsions occur. The techniques used were the optical microscope phase penetration scan and small angle X-ray diffraction (SAXS). Mixed surfactant/oil samples were prepared at wt. ratios of 0.1:1, 0.25:1, 0.5:1 and 1:1 for the phase penetration scan. For SAXS analysis, the initial concentration of surfactant in water (W) was fixed at 38% (w/w), which forms a hexagonal mesophase (H1). Palm oil methyl esters (POME) and medium chain triglycerides (MCT) were added to this at 0.04:1 (or 0.05:1 for MCT), 0.1:1, 0.2:1 (or 0.25:1 for MCT), 0.5:1 and 1:1 ratios of oil to surfactant. Schematic phase diagrams were constructed to document the changes of phase structures using both bulk samples and phase penetration scans techniques. The extent of microemulsion formation (or solubilisation) decreases in the sequence POME > MCT > PO, and increases substantially with temperature, particularly for POME and MCT. All of the oils destabilize the hexagonal phase; for POME and MCT there is an increase in the surfactant cloud point temperature by ca. 10 degrees C or more, but the temperature for the onset of the lamellar (Lalpha) phase dispersion region (W + Lalpha) is hardly affected. There was a pronounced tendency for the lamellar phase formed in the presence of high oil concentrations and low water levels to have a reduced melting point. With the highest MCT levels a bicontinuous cubic phase (probably V2) is present at 25 degrees C, although this phase is not present in the binary surfactant/water system. The X-ray diffraction results show that the average area per head group (ao) at the micelle surface is decreased by the addition of the oils, consistent with the observation of a V2 phase. Possible molecular mechanisms for this observation are discussed.
  5. Fulltext Central Corneal Thickness and Intraocular Pressure in Children with Type 1 Diabetes Mellitus
    Zulhisham M, Suhaimi H, Shatriah I
    Korean J Ophthalmol, 2023 Dec;37(6):462-467.
    PMID: 37899288 DOI: 10.3341/kjo.2023.0040
    PURPOSE: The aim of this study is to determine the mean central corneal thickness (CCT) and mean intraocular pressure (IOP) in children with type 1 diabetes mellitus (T1DM) and to determine the relationship between CCT and IOP on the one hand and age, sex, retinopathy hemoglobin A1c (HbA1c), and duration of diabetes on the other.

    METHODS: This is a case-control, hospital-based study conducted at Hospital Universiti Sains Malaysia between January and November 2022. Thirty-eight children with T1DM were recruited as cases, and 38 healthy children were recruited as controls. The cases and controls then underwent ophthalmic examination, IOP measurement, and CCT measurement using optical coherence tomography (OCT) of the right eye. The IOP measurements were adjusted for CCT for further analysis.

    RESULTS: The means of CCT and IOP values were significantly higher in the T1DM group than in the control group (all p = 0.02). The mean CCT was 542.18 ± 20.40 μm in the T1DM group, and 529.52 ± 26.17 μm in the control group. The mean IOP was 14.68 ± 1.98 mmHg in the T1DM group, and 13.52 ± 1.66 mmHg in the control group. The mean HbA1c was 10.68% ± 2.49% in the T1DM group. Age and duration of DM were found to have a significant association with CCT in children with T1DM. The duration of DM was also found to be significantly associated with the IOP. Sex and HbA1c levels were found to have no significant relationship with either CCT or IOP.

    CONCLUSIONS: Children with T1DM have significantly higher CCT and IOP than the average child. The duration of DM is a significant factor that impacts both CCT and IOP. In addition, age is another factor that affects CCT in children with T1DM.

  6. An investigation of arsenic contamination in Peninsular Malaysia based on Centella asiatica and soil samples
    Ong GH, Yap CK, Maziah M, Suhaimi H, Tan SG
    Environ Monit Assess, 2013 Apr;185(4):3243-54.
    PMID: 22821327 DOI: 10.1007/s10661-012-2787-6
    The first objective of this study was to provide data of arsenic (As) levels in Peninsular Malaysia based on soil samples and accumulation of As in Centella asiatica collected from 12 sampling sites in Peninsular Malaysia. The second objective was to assess the accumulation of As in transplanted C. asiatica between control and semi-polluted or polluted sites. Four sites were selected which were UPM (clean site), Balakong (semi-polluted site), Seri Kembangan (semi-polluted site) and Juru (polluted site). The As concentrations of plant and soil samples were determined by Instrumental Neutron Activation Analysis. The As levels ranged from 9.38 to 57.05 μg/g dw in soils, 0.21 to 4.33 μg/g dw in leaves, 0.18 to 1.83 μg/g dw in stems and 1.32-20.76 μg/g dw in roots. All sampling sites had As levels exceeding the CCME guideline (12 μg/g dw) except for Kelantan, P. Pauh, and Senawang with P. Klang having the highest As in soil (57.05 μg/g dw). In C. asiatica, As accumulation was highest in roots followed by leaves and stems. When the As level in soils were higher, the uptake of As in plants would also be increased. After the transplantation of plants to semi-polluted and polluted sites for 3 weeks, all concentration factors were greater than 50 % of the initial As level. The elimination factor was around 39 % when the plants were transplanted back to the clean sites for 3 weeks. The findings of the present study indicated that the leaves, stems and roots of C. asiatica are ideal biomonitors of As contamination. The present data results the most comprehensive data obtained on As levels in Malaysia.
  7. Endogenous Cushing syndrome from an ectopic adrenocorticotropic hormone production as a rare cause of ocular hypertension
    Khaw KW, Jalaludin MY, Suhaimi H, Harun F, Subrayan V
    J AAPOS, 2010 Aug;14(4):356-7.
    PMID: 20637667 DOI: 10.1016/j.jaapos.2010.04.009
    Ocular hypertension caused by endogenous Cushing syndrome from an ectopic adrenocorticotropic hormone-producing tumor is rare. We report an 11-year-old boy who presented with intraocular pressures (IOPs) of 50 mm Hg in both eyes. Surgical resection of the tumor was performed with subsequent normalization of serum cortisol and IOP levels.
  8. Fulltext Evaluation of Macular and Retinal Nerve Fiber Layer Thickness in Children with Type 1 Diabetes Mellitus without Retinopathy
    Mohd-Ilham I, Tai ELM, Suhaimi H, Shatriah I
    Korean J Ophthalmol, 2021 08;35(4):287-294.
    PMID: 34162187 DOI: 10.3341/kjo.2020.0106
    PURPOSE: There are limited data from Asian countries regarding retinal thickness in children with type 1 diabetes mellitus (T1DM). This study aimed to compare the macular and retinal nerve fiber layer (RNFL) parameters between diabetic children without retinopathy and non-diabetic healthy children. We also evaluated the factors associated with RNFL thickness in children with T1DM.

    METHODS: A comparative cross-sectional study was conducted among children with T1DM and healthy children aged 7 to 17 years old in Hospital Universiti Sains Malaysia from 2017 to 2019. Children with retinal disease or glaucoma were excluded. Macular and RNFL thicknesses were measured using spectral-domain optical coherence tomography. Demographic information, duration of diabetes, blood pressure, body mass index, visual acuity, and retinal examination findings were documented. Glycosylated hemoglobin levels, renal function, and blood lipid levels were also collected.

    RESULTS: Forty-one children with T1DM and 80 age- and sex-matched children were enrolled. Both sexes were affected. Mean duration of diabetes mellitus was 3.66 years. The mean glycated hemoglobin levels in the T1DM group was 9.99%. The mean macular and RNFL thicknesses in children with T1DM were 277.56 (15.82) µm and 98.85 (12.05) µm, respectively. Children with T1DM had a significantly thinner average macula, superior outer macula, nasal outer macula, mean RNFL, and inferior RNFL thickness compared to controls (p < 0.05). There was a significant association between nephropathy and the mean RNFL thickness.

    CONCLUSIONS: Children with T1DM had significantly decreased mean macular and RNFL thicknesses. Nephropathy is associated with an increased RNFL thickness.

  9. Fulltext "Fishing for lines": removal of endovascular catheters from the cardiovascular system
    Wong AR, Suhaimi H, Ridzuan MA, Rizal MM, Saedah A
    Singapore Med J, 2009 Oct;50(10):e358-61.
    PMID: 19907875
    We present two infants whose endovascular lines were accidentally cut or fractured, and had to be retrieved via transcatheter means in the cardiac catheterisation laboratory. The first case was a two-month-old infant with transposition of the great arteries, requiring an emergency balloon atrial septostomy. An indwelling vascular catheter that was placed in the right femoral vein was accidentally cut and had migrated into the inferior vena cava, before being retrieved. The second case was a one-week-old neonate who presented with pneumonia at birth, and had a long intravenous catheter placed in the left saphenous vein, which became fractured, and subsequently migrated into the heart. This case presented as a pulmonary embolus with haemodynamic instability, as the catheter had partially obstructed the right ventricular outflow tract. This was later retrieved via transcatheter means.
  10. Fulltext The effects of Cicletanine, a new antihypertensive agent on insulin release in rat isolated pancreas by the perfusion technique
    Mashori GR, Tariq AR, Shahimi MM, Suhaimi H
    Singapore Med J, 1996 Jun;37(3):278-81.
    PMID: 8942229
    Treatment of hypertension has reduced the incidence of stroke, heart failure and renal failure. However, the incidence of coronary heart disease is not reduced to the same degree. Many of the drugs advocated as first-line drugs in the step-wise therapy have been shown to cause carbohydrate intolerance and it is an independent risk factor in the development of coronary heart disease. It is thus important to identify the antihypertensive drugs that may cause deterioration in glucose tolerance. Cicletanine, the first derivative of the furopyridines, is a new class of antihypertensive agents. It acts directly on vascular endothelium cells by increasing prostacyclin synthesis. It also decreases intracytosolic calcium levels in smooth muscles. The purpose of this study is to evaluate the effects of Cicletanine on insulin release in rat isolated pancreas by the perfusion technique adapted from Loubatieres and co-workers (1972). Doses used were based on therapeutic peak plasma concentration. Diazoxide was used as a positive control ie a known insulin suppressant. Cicletanine at 1/10 and equivalent therapeutic concentrations (0.5 microgram/mL and 5.0 micrograms/mL) did not suppress insulin release. However, at concentration exceeding 10X its therapeutic levels (50 micrograms/mL) it begins to suppress insulin release. In conclusion, Cicletanine did not inhibit insulin release at concentrations within the therapeutic range.
  11. Fulltext Properties of Biocomposite Film Based on Whey Protein Isolate Filled with Nanocrystalline Cellulose from Pineapple Crown Leaf
    Fitriani F, Aprilia S, Arahman N, Bilad MR, Suhaimi H, Huda N
    Polymers (Basel), 2021 Dec 07;13(24).
    PMID: 34960829 DOI: 10.3390/polym13244278
    Among the main bio-based polymer for food packaging materials, whey protein isolate (WPI) is one of the biopolymers that have excellent film-forming properties and are environmentally friendly. This study was performed to analyse the effect of various concentrations of bio-based nanocrystalline cellulose (NCC) extracted from pineapple crown leaf (PCL) on the properties of whey protein isolate (WPI) films using the solution casting technique. Six WPI films were fabricated with different loadings of NCC from 0 to 10 % w/v. The resulting films were characterised based on their mechanical, physical, chemical, and thermal properties. The results show that NCC loadings increased the thickness of the resulting films. The transparency of the films decreased at higher NCC loadings. The moisture content and moisture absorption of the films decreased with the presence of the NCC, being lower at higher NCC loadings. The water solubility of the films decreased from 92.2% for the pure WPI to 65.5% for the one containing 10 % w/v of NCC. The tensile strength of the films peaked at 7% NCC loading with the value of 5.1 MPa. Conversely, the trend of the elongation at break data was the opposite of the tensile strength. Moreover, the addition of NCC produced a slight effect of NCC in FTIR spectra of the WPI films using principal component analysis. NCC loading enhanced the thermal stability of the WPI films, as shown by an increase in the glass transition temperature at higher NCC loadings. Moreover, the morphology of the films turned rougher and more heterogeneous with small particle aggregates in the presence of the NCC. Overall, the addition of NCC enhanced the water barrier and mechanical properties of the WPI films by incorporating the PCL-based NCC as the filler.
  12. Fulltext Adaptation and potential culture of wild Amphipods and Mysids as potential live feed in aquaculture: a review
    Suhaimi H, Abdul Rahman MI, Ashaari A, Ikhwanuddin M, Wan Rasdi N
    PeerJ, 2024;12:e17092.
    PMID: 38563012 DOI: 10.7717/peerj.17092
    Live foods such as phytoplankton and zooplankton are essential food sources in aquaculture. Due to their small size, they are suitable for newly hatched larvae. Artemia and rotifer are commonly used live feeds in aquaculture; each feed has a limited dietary value, which is unsuitable for all cultured species. Whereas, copepod and cladocerans species exhibit favorable characteristics that make them viable candidates as sources of essential nutrients for hatchery operations. Due to their jerking movements, it stimulates the feeding response of fish larvae, and their various sizes make them suitable for any fish and crustacean. Even though Artemia is the best live feed due to its proficient nutritional quality, the cost is very expensive, which is about half of the production cost. A recent study suggests the use of amphipods and mysids as alternative live feeds in aquaculture. High nutritional value is present in amphipods and mysids, especially proteins, lipids, and essential fatty acids that are required by fish larvae during early development. Amphipods and mysids are considered abundant in the aquatic ecosystem and have been used by researchers in water toxicity studies. However, the culture of amphipods and mysids has been poorly studied. There is only a small-scale culture under laboratory conditions for scientific research that has been performed. Thus, further research is required to find a way to improve the mass culture of amphipods and mysids that can benefit the aquaculture industry. This review article is intended to provide the available information on amphipods and mysids, including reproductive biology, culture method, nutritional value, feed enhancement, and the importance of them as potential live feed in aquaculture. This article is useful as a guideline for researchers, hatchery operators, and farmers.
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