Displaying publications 1 - 20 of 33 in total

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  1. Minhat, H.S., Mohd Amin, R., Shamsuddin, K.
    MyJurnal
    Leisure involvement is an essential element in the daily life of the elderly people. Little is known, however, about the perceived leisure constraints among them, especially among the increasing elderly population in Malaysia. This study aims to explore constraints perceived by the elderly that prevent them from actively involved in leisure. In depth interviews were conducted, involving a total of 20 elderly aged 60 years and above with stratification by background characteristics. Each interview was conducted for an average of 15 to 30 minutes and discontinued when a saturation point was achieved. They were purposively selected from two health clinics located in two different districts in the state of Selangor, representing an urban and a rural area. Elderly participation in leisure activities was constrained by many factors. These factors can be divided into individual, family and community factors such as increasing age and related physical deterioration , education level, health status and the existence of chronic illness, absence of family member or friends to perform the activity together and non-conducive environment. The constraints should be endorsed and acknowledged by the relevant agencies and authorities in order to facilitate effective implementation of related policies, strategies and programmes to improve the health of the elderly people. These include the provision of appropriate services and facilities to cater senior citizens from various health and demographic perspectives.
  2. Norazian, K., Saw, L.B., Chan, C.Y.W., Amin, R., Kwan, M.K.
    Malays Orthop J, 2010;4(3):22-25.
    MyJurnal
    Chondrosarcoma of the spine is rare; it presents predominantly in very young males and presentation with neurological deficit is uncommon. Treatment of this type of tumour is mainly through surgery as adjuvant therapy is ineffective. En bloc resection of tumours in the spine are difficult although it remains the recommended treatment for chondrosarcoma. We report here presentation of a female with paresis (Frankel C) whom was diagnosed with a large chondrosarcoma of the T2 vertebra extending to the right upper thoracic cavity. The patient underwent radical xcision through an anterior and posterior approach to the spine.
  3. Muhamad-Amin, R., Nur Hasnida Gani, Liza-Sharmini, A.T., Zamli, A.H.
    MyJurnal
    Acute lymphoblastic leukemia (ALL) is the most common
    childhood leukaemia. It is a malignant neoplasm caused by the proliferation of
    poorly differentiated precursors of the lymphoid cells. It is relatively
    uncommon in adult. In adult ALL, central nervous system (CNS) involvement
    is associated with poor prognosis. The incidence of CNS involvement has
    been reported between 7% and 15 %. We report a case of optic nerve
    infiltration in ALL in a 49 years old gentleman. He was diagnosed with
    precursor-B ALL. He was treated with chemotherapy and CNS prophylactic
    regime. He presented with sudden left eye loss of vision for one-day duration
    with history of right eye inferior visual field loss for the past three months. His
    visual acuity was no perception to light on the left eye and 6/9 on the right
    eye. There was marked left relative afferent pupillary defect. The right eye
    showed decreased in optic nerve function with inferior visual field defect.
    Anterior segment examination was unremarkable in both eyes. Left optic disc
    appeared normal but the right optic disc was pale. Blood investigation
    showed no sign of infection or haemoconcentration. Cerebral spinal fluids
    examination revealed abundant of white cells and blast cells. Magnetic
    resonant imaging showed bilateral optic nerve enhancement suggesting of
    bilateral optic nerves infiltration. He was started on a new regime of
    chemotherapy followed by cranial radiotherapy. Unfortunately, he succumbed
    to death due to septicaemia. There are variations in clinical presentation of
    optic nerve infiltration in leukaemic patients. Normal appearance of optic disc
    may not exclude the possibility of infiltration by malignancy. Assessment of
    the optic nerve function and imaging is helpful for the detection of leukaemic
    infiltration. Early detection of optic nerve infiltration is important for initiation or
    change of therapy to prevent mortality.
  4. Minhat HS, Mohd Amin R
    J Community Health, 2012 Aug;37(4):840-7.
    PMID: 22160659 DOI: 10.1007/s10900-011-9518-8
    Leisure participation has been proven to be beneficial and has a positive link to successful ageing. This study aims to explore the sociodemographic determinants of leisure participation among the Malaysian elderly. A cross-sectional study was conducted among persons aged 60 years and above, purposively selected from eight health clinics in the state of Selangor. Leisure participation was measured using a validated Leisure Participation Questionnaire specific for Malaysian elderly, consisting of 25 activities, categorized into 4 categories, namely recreational (physical), cognitive, social and productive. Frequency of such participation was measured on a 6-point scale. Its association with sociodemographic variables was examined using inferential and regression analysis. 268 participants were involved in this study (response rate = 100%). The most common daily leisure activities were having conversations while relaxing (78.7%), watching television (74.6%) and reading (63.4%). The least frequently done leisure activities were from the recreational and cognitive categories. The activities were weakly correlated to each other, reflecting the lack of diversity of leisure activities among respondents. Education was the main predictor for leisure participation among elderly, with higher educational level is associated with high RAS (B = 1.020, P < 0.05), CAS (B = 1.580, P < 0.05) and SAS (B = 1.276, P < 0.05). Education level, marital status and locality were important determinants of leisure participation among elderly, with education being the main predictor. Further studies exploring the effective method of educating the ageing society are recommended.
  5. Norsa'adah B, Rampal KG, Mohd Amin R
    Asian Pac J Cancer Prev, 2021 Nov 01;22(11):3623-3631.
    PMID: 34837921 DOI: 10.31557/APJCP.2021.22.11.3623
    BACKGROUND: Breast cancer patients in Malaysia often present late, delaying diagnosis and treatment. Decisions on health-seeking behaviour are influenced by a complex interplay of several factors. Early detection and subsequent successful treatment are the main goal in order to reduce breast cancer mortality. The aims of this study were to identify the time taken by women with breast cancer for consultation, diagnosis and first definitive treatment and the factors associated with the initiation of definitive treatment.

    METHODS: In this cohort study, we interviewed 328 women with histologically confirmed breast cancer at five medical centres in Malaysia. Times were measured from recognition of symptoms to first consultation to diagnosis and to the first definitive treatment. The event was initiation of definitive treatment. Data was analysed using multivariable Cox proportional hazards regression.

    RESULTS: The mean age was 47.9 (standard deviation 9.4) years and 79.9% were ethnic Malays. The median follow-up time was 6.9 months. The median times for first doctor consultation, diagnosis and initiation of treatment were 2 months, 5.5 months and 2.4 weeks, respectively. The percentage of consultation delay more than a month was 66.8%, diagnosis delay more than three months was 73.2% and treatment delay more than one month was 11.6%. Factors associated with not initiating the definitive treatment were pregnancy (adjusted hazard ratio (AHR) 1.75; 95% Confidence Interval (CI): 1.07, 2.88), taking complementary alternative medicine (AHR 1.45; 95% CI: 1.15, 1.83), initial refusal of mastectomy (AHR 3.49; 95% CI: 2.38, 5.13) and undergoing lumpectomy prior to definitive treatment (AHR 1.62; 95% CI: 1.16, 2.28).

    CONCLUSIONS: Delays in diagnosis and consultation were more serious than treatment delays. Most respondents would accept treatment immediately after diagnosis. Respondents themselves were responsible for a large proportion of the delays. This study was successful in understanding the process of breast cancer patients' experience, from symptoms recognition to consultation, diagnosis and treatment.

  6. Md Amin R, Koski M, Båmstedt U, Vidoudez C
    Mar Biol, 2011;158(9):1965-1980.
    PMID: 24391269
    Three strains of the chain-forming diatom Skeletonema marinoi, differing in their production of polyunsaturated aldehydes (PUA) and nutritional food components, were used in experiments on feeding, egg production, hatching success, pellet production, and behavior of three common planktonic copepods: Acartia tonsa, Pseudocalanus elongatus, and Temora longicornis. The three different diatom strains (9B, 1G, and 7J) induced widely different effects on Acartia tonsa physiology, and the 9B strain induced different effects for the three copepods. In contrast, different strains induced no or small alterations in the distribution, swimming behavior, and turning frequency of the copepods. 22:6(n-3) fatty acid (DHA) and sterol content of the diet typically showed a positive effect on either egg production (A. tonsa) or hatching success (P. elongatus), while other measured compounds (PUA, other long-chain polyunsaturated fatty acids) of the algae had no obvious effects. Our results demonstrate that differences between strains of a given diatom species can generate effects on copepod physiology, which are as large as those induced by different algae species or groups. This emphasizes the need to identify the specific characteristics of local diatoms together with the interacting effects of different mineral, biochemical, and toxic compounds and their potential implications on different copepod species.
  7. Sohaimi ES, Md Amin R, Sahibu A, Mohd Akhir MF
    Data Brief, 2021 Apr;35:106893.
    PMID: 33718548 DOI: 10.1016/j.dib.2021.106893
    In this article, the abundance of phytoplankton community structure in Malacca Straits (MS); from Port Klang to Langkawi Island are reported. The datasets include data from 25 selected sampling sites that were acquired in August 2019 on board the RV Discovery's cruise expedition. These data contain details on the density of phytoplankton (cell L-1), total number of species, volume seawater filtered (in L) and the concentration factors (ml) in MS. Data presented in this article consists of 163 species, including unidentified species from 6 phyla of phytoplankton, along with the percentage of a major community group in MS.
  8. Voon HY, Amin R, Kok JL, Tan KS
    Fetal Diagn Ther, 2018;43(1):77-80.
    PMID: 28796996 DOI: 10.1159/000479105
    We illustrate a case of giant placental chorioangioma presenting at 20 weeks of gestation. Subsequent monitoring revealed enlargement of the lesion, associated with fetal anemia and cardiac failure, prompting in utero intervention. Amnioreduction followed by percutaneous embolization of the tumour with enbucrilate:Lipiodol Ultra-Fluid™ at a dilution of 1:5 was successfully performed. No repeat intervention or additional supportive measures were required throughout pregnancy and the baby was delivered at 36 weeks of gestation, following spontaneous labour. Due to prolonged neonatal jaundice, further investigations were undertaken, demonstrating subacute right portal vein thrombosis. Other previously reported causes of neonatal portal vein thrombosis such as umbilical vein thrombosis, neonatal umbilical vein catheterization, thrombophilia and sepsis were excluded. There was resolution of the thrombus by 6 months of life. A brief discussion of measures to minimize the risk of such an event and the long-term outcomes of neonatal portal vein thrombosis was included. Whilst the simplicity and efficacy of the procedure has been demonstrated in a handful of patients, judgment on its safety is best deferred. Counselling should be comprehensive, as even rare complications can result in significant postnatal morbidity.
  9. Muhammad NA, Shamsuddin K, Mohd Amin R, Omar K, Thurasamy R
    BMC Public Health, 2017 02 02;17(1):157.
    PMID: 28152993 DOI: 10.1186/s12889-016-3949-1
    BACKGROUND: From the Theory of Planned Behaviour perspective, sexual intention is determined by a permissive attitude, perception of social norms and perceived self-efficacy in performing sexual activity. The aim of this study was to develop and validate the Youth Sexual Intention Questionnaire (YSI-Q), which was designed to measure sexual intention among youths in Malaysia.

    METHODS: A total of 25 items were developed based on literature reviews encompassing four main constructs: sexual intention, attitude, social norms and self-efficacy. The YSI-Q then underwent a validation process that included content and face validity, exploratory factor analysis (EFA), reliability analysis, and confirmatory factor analysis (CFA). This study was conducted on unmarried youths aged 18 to 22 years who were studying in colleges around Klang Valley, Malaysia.

    RESULTS: EFA supported the four factor structure, but five items were removed due to incorrect placement or low factor loading (<0.60). Internal reliability using Cronbach's alpha ranged between 0.89 and 0.94. The CFA further confirmed the construct, convergent and discriminant validity of the YSI-Q with χ 2 = 392.43, df = 164, p 

  10. Md Amin R, Sohaimi ES, Anuar ST, Bachok Z
    Mar Pollut Bull, 2020 Jan;150:110616.
    PMID: 31707243 DOI: 10.1016/j.marpolbul.2019.110616
    This study investigates the presence of microplastics in surface seawater and zooplankton at five different locations off the Terengganu coast in Malaysia, southern South China Sea. A total of 983 microplastic particles, with an average abundance of 3.3 particles L-1 were found in surface seawater. An average of one plastic particle was detected in 130 individuals from 6 groups of zooplankton. These groups include fish larvae, cyclopoid, shrimps, polychaete, calanoid and chaetognath where they ingested 0.14, 0.13, 0.01, 0.007, 0.005 and 0.003 particle per individual, respectively. Microplastics in the form of fragments are the most common type of ingested microplastics that ranged between 0.02 mm (cyclopoid) - 1.68 mm (shrimp and zoea). Contrastingly, fibers, which are identified as polyamide are the main type of microplastics that dominate in seawater.
  11. Wirza R, Nazir S, Khan HU, García-Magariño I, Amin R
    J Healthc Eng, 2020;2020:8835544.
    PMID: 32963749 DOI: 10.1155/2020/8835544
    The medical system is facing the transformations with augmentation in the use of medical information systems, electronic records, smart, wearable devices, and handheld. The central nervous system function is to control the activities of the mind and the human body. Modern speedy development in medical and computational growth in the field of the central nervous system enables practitioners and researchers to extract and visualize insight from these systems. The function of augmented reality is to incorporate virtual and real objects, interactively running in a real-time and real environment. The role of augmented reality in the central nervous system becomes a thought-provoking task. Gesture interaction approach-based augmented reality in the central nervous system has enormous impending for reducing the care cost, quality refining of care, and waste and error reducing. To make this process smooth, it would be effective to present a comprehensive study report of the available state-of-the-art-work for enabling doctors and practitioners to easily use it in the decision making process. This comprehensive study will finally summarise the outputs of the published materials associate to gesture interaction-based augmented reality approach in the central nervous system. This research uses the protocol of systematic literature which systematically collects, analyses, and derives facts from the collected papers. The data collected range from the published materials for 10 years. 78 papers were selected and included papers based on the predefined inclusion, exclusion, and quality criteria. The study supports to identify the studies related to augmented reality in the nervous system, application of augmented reality in the nervous system, technique of augmented reality in the nervous system, and the gesture interaction approaches in the nervous system. The derivations from the studies show that there is certain amount of rise-up in yearly wise articles, and numerous studies exist, related to augmented reality and gestures interaction approaches to different systems of the human body, specifically to the nervous system. This research organises and summarises the existing associated work, which is in the form of published materials, and are related to augmented reality. This research will help the practitioners and researchers to sight most of the existing studies subjected to augmented reality-based gestures interaction approaches for the nervous system and then can eventually be followed as support in future for complex anatomy learning.
  12. Mousavizadeh K, Askari M, Arian H, Gourjipour F, Nikpour AR, Tavafjadid M, et al.
    J Res Med Sci, 2013 Oct;18(10):926.
    PMID: 24497871
  13. Mahdy ZA, Basri H, Md Isa Z, Ahmad S, Shamsuddin K, Mohd Amin R
    J Obstet Gynaecol Res, 2014 Apr;40(4):983-7.
    PMID: 24320794 DOI: 10.1111/jog.12277
    To determine the adequacy of antenatal calcium intake in Malaysia, and the influencing factors.
  14. Taha ZD, Md Amin R, Anuar ST, Nasser AAA, Sohaimi ES
    Sci Total Environ, 2021 Sep 10;786:147466.
    PMID: 33984707 DOI: 10.1016/j.scitotenv.2021.147466
    Widespread accumulation and distribution of microplastics at the sea surface raise concerns as the habitat is a feeding ground for zooplankton. As primary consumers, these organisms are closely connected to microplastic input in the marine food chain. Little comparative information currently exists about this problem in estuary and offshore systems. This study investigates microplastic distribution in the surface water and the potential ingestion of microplastics in selected taxonomic groups of zooplankton from the Terengganu Estuary to offshore waters, Malaysia. In the surface water, three types of microplastics were found (fibres, fragments and pellets). Fibres made up the highest percentage, comprising 80.8% and 73.8% of microplastics in offshore waters and estuaries, respectively. The highest total density of microplastics was found in the Terengganu Estuary (545.8 particles m-3). Microplastics sampled from the offshore waters were identified as polyamide, polyethylene, and polypropylene, which possibly originated from secondary microplastic sources. Two types of microplastics were detected in zooplankton: fibres and fragments. Fibres were the most commonly ingested microplastic type in zooplankton collected from offshore waters (94%) and estuaries (77.7%). The average sizes of ingested fibres and fragments were 361.7 ± 226.8 μm and 96.8 ± 28.1 μm, respectively, with a wider range of sizes ingested observed in offshore waters than in estuaries. The concentration of microplastics in seven zooplankton groups varied from 0.01 ± 0.002 particles ind.-1 (Harpacticoida) to 0.2 ± 0.14 particles ind.-1 (Aphragmophora). Notwithstanding the conformity of our results (increased anthropogenic activities led to greater plastic pollution within the estuary), no significant correlation was observed between the levels of microplastic ingestion and microplastic concentration in the surface water within both areas. Our results provide an important baseline reference on microplastic pollution from estuary to offshore waters, as well as proving that zooplankton act as a repository for microplastic in the marine ecosystem.
  15. Ahmad A, Zulaily N, Shahril MR, Wafa SW, Mohd Amin R, Piernas C, et al.
    BMC Pediatr, 2021 09 23;21(1):418.
    PMID: 34556071 DOI: 10.1186/s12887-021-02899-3
    BACKGROUND: Childhood obesity has been associated with increased odds of adult obesity and co-morbidities in later life. Finding the key determinants may help in designing the most appropriate and effective interventions to prevent obesity. This study aimed to identify the determinants of obesity among school adolescents in a sub-urban state of Malaysia.

    METHODS: This cross-sectional study involved 1,404 school adolescents aged 12 years (46% boys and 54% girls). Socio-demographic, dietary and physical activity data were collected using questionnaires whilst body weight and height were measured and body mass index was classified based on WHO BMI-for-age Z-scores cut-off.

    RESULTS: A multivariable linear regression model showed that BMI z-score was positively associated with parents' BMI (P<0.001), birth weight (P=0.003), and serving size of milk and dairy products (P=0.036) whilst inversely associated with household size (P=0.022). Overall, 13.1% of the variances in BMI Z-scores were explained by parents' BMI, birth weight, servings of milk and dairy products and household size.

    CONCLUSION: This study found important determinants of body weight status among adolescents mainly associated with family and home environmental factor. This evidence could help to form the effective and tailored strategies at the earliest stage to prevent obesity in this population.

  16. Voon HY, Chai MC, Hii LY, Amin R, Suharjono HN
    J Obstet Gynaecol, 2018 May;38(4):493-497.
    PMID: 29433369 DOI: 10.1080/01443615.2017.1389867
    Strategies to prevent mortality from obstetric venous thromboembolism begin with identification, risk stratification and subsequently, implementation of prophylactic measures. We sought to identify the burden of pharmacologic thromboprophylaxis in postpartum women, including the main clinical indications and its uptake in a multireligious population, with Islam as the official religion. A total of 2514 deliveries between 1st January to 31st December 2016, across three centres in Malaysia were reviewed retrospectively from hospital-based registries. 770 (30.62%) patients fulfilled the criteria for thromboprophylaxis based on the revised 2015 criteria proposed by the Royal College of Obstetricians and Gynaecologists. A combination of age, parity, BMI, caesarean section and preterm births were the main indications. One out of the five patients who delivered vaginally required thromboprophylaxis. In our setting with a sizable Muslim population, low molecular weight heparin was the thromboprophylaxis of choice in more than two-third of the patients. The information obtained from this study allows better local resource planning. Impact statement What is already known on this subject: Risk factors for venous thromboembolism in pregnancy and puerperium are largely drawn from registries due to the rarity of the index event. Up to 7% of women require antenatal thromboprophylaxis based on the criteria proposed by the Royal College of Obstetrician and Gynaecologists in 2009. What do the results of this study add: Using the RCOG guideline revised in 2015, a significant proportion of women delivering vaginally would require postnatal thromboprophylaxis based on age, parity and BMI. When either age or parity, both with relatively low odds ratio for thrombosis were omitted, a substantial proportion of women would not achieve the threshold for prophylaxis. Despite a sizable Muslim population in the country, the uptake of low molecular weight heparin was relatively high. What are the implications of these findings for clinical practice and/or future research: Cost-benefit studies should consider the adjusted odds ratio of individual indications on a VTE event. While uptake and acceptability is high, prospective studies on medication adherence is equally pertinent.
  17. Khan MUA, Razaq SIA, Mehboob H, Rehman S, Al-Arjan WS, Amin R
    Polymers (Basel), 2021 Oct 27;13(21).
    PMID: 34771258 DOI: 10.3390/polym13213703
    The treatment of successive skin wounds necessitates meticulous medical procedures. In the care and treatment of skin wounds, hydrogels produced from natural polymers with controlled drug release play a crucial role. Arabinoxylan is a well-known and widely available biological macromolecule. We produced various formulations of blended composite hydrogels (BCHs) from arabinoxylan (ARX), carrageenan (CG), and reduced graphene oxide (rGO) using and cross-linked them with an optimal amount of tetraethyl orthosilicate (TEOS). The structural, morphological, and mechanical behavior of the BCHs samples were determined using Fourier-transform infrared spectroscopy (FT-IR), Scanning electron microscope (SEM), mechanical testing, and wetting, respectively. The swelling and degradation assays were performed in phosphate-buffered saline (PBS) solution and aqueous media. Maximum swelling was observed at pH 7 and the least swelling in basic pH regions. All composite hydrogels were found to be hemocompatible. In vitro, silver sulfadiazine release profile in PBS solution was analyzed via the Franz diffusion method, and maximum drug release (87.9%) was observed in 48 h. The drug release kinetics was studied against different mathematical models (zero-order, first-order, Higuchi, Hixson-Crowell, Korsmeyer-Peppas, and Baker-Lonsdale models) and compared their regression coefficient (R2) values. It was observed that drug release follows the Baker-Lonsdale model, as it has the highest value (0.989) of R2. Hence, the obtained results indicated that, due to optimized swelling, wetting, and degradation, the blended composite hydrogel BCH-3 could be an essential wound dressing biomaterial for sustained drug release for skin wound care and treatment.
  18. Abu Hassan H, Tohid H, Mohd Amin R, Long Bidin MB, Muthupalaniappen L, Omar K
    BMC Fam Pract, 2013 Oct 29;14:164.
    PMID: 24164794 DOI: 10.1186/1471-2296-14-164
    BACKGROUND: Many Type 2 Diabetes Mellitus (T2DM) patients refuse insulin therapy even when they require this modality of treatment. However, some eventually accept insulin. This study aimed to explore the T2DM patients' reasons for accepting insulin therapy and their initial barriers to use insulin.

    METHODS: This qualitative study interviewed twenty-one T2DM patients at a primary care clinic who had been on insulin for more than a year through three in-depth interviews and three focus group discussions. A semi structured interview protocol was used and the sessions were audio-recorded. Subsequently, thematic analysis was conducted to identify major themes.

    RESULTS: The participants' acceptance of insulin was influenced by their concerns and beliefs about diabetes and insulin. Concerns about complications of poorly controlled diabetes and side effects of other treatment regime had resulted in insulin acceptance among the participants. They also had a strong belief in insulin benefits and effectiveness. These concerns and beliefs were the results of having good knowledge about the diabetes and insulin, experiential learning, as well as doctors' practical and emotional support that helped them to accept insulin therapy and become efficient in self-care management. These factors also allayed their negative concerns and beliefs towards diabetes and insulin, which were their barriers for insulin acceptance as it caused fear to use insulin. These negative concerns were related to injection (self-injection, needle phobia, injection pain), and insulin use (inconvenience, embarrassment, lifestyle restriction, negative social stigma, and poor self-efficacy), whereas the negative beliefs were 'insulin could cause organ damage', 'their diabetes was not serious enough', 'insulin is for life-long', and 'insulin is for more severe disease only'.

    CONCLUSIONS: Exploring patients' concerns and beliefs about diabetes and insulin is crucial to assist physicians in delivering patient-centered care. By understanding this, physicians could address their concerns with aim to modify their patients' misconceptions towards insulin therapy. In addition, continuous educations as well as practical and emotional support from others were found to be valuable for insulin acceptance.

    TRIAL REGISTRATION: Universiti Kebangsaan Malaysia FF-214-2009.

  19. Muhammad NA, Shamsuddin K, Omar K, Shah SA, Mohd Amin R
    Malays J Med Sci, 2014 Sep-Oct;21(5):51-9.
    PMID: 25977634 MyJurnal
    Parenting behaviour is culturally sensitive. The aims of this study were (1) to translate the Parental Bonding Instrument into Malay (PBI-M) and (2) to determine its factorial structure and validity among the Malaysian population.
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