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  1. Amar-Singh HS
    Med J Malaysia, 2009 Mar;64(1):1-2.
    PMID: 19852312 MyJurnal
    Neonatal Tetanus is a severe disease with high fatality. It should no longer be present in a country with the development status of Malaysia. However, sporadic cases still occur and the disease has not been eradicated. This editorial summarises the disease pattern, incidence and suggests reasons for the continued persistence of the condition locally.
  2. Arvinder-Singh HS, Philip R, Winson A
    Med J Malaysia, 2024 Jan;79(1):111-112.
    PMID: 38287766
    Electronic sports (e-sports) is a growing entity that is estimated to be valued at USD $200 billion by the end of 2023. With the rapid rate of growth, it will come to a point that e-sports will need to be regulated including regulatory mechanisms of fair play, which includes sports doping. With the emergence of substances that provides unfair advantages in terms of concentration, staying awake and preventing anxiety including tremors, there is a need to regulate doping in e-sports. However, due to the nature of the sport, it might not be as straightforward to regulate as other sports.
  3. Singh HS, Yiing WW, Nurani HN
    Child Abuse Negl, 1996 Jun;20(6):487-92.
    PMID: 8800523
    There has been increasing awareness that sexual abuse of children is a problem in Malaysia. Existing data is based on notification of cases. Population based studies are required to plan services for sexually abused children. This study utilized trainee paramedical staff as a community population to determine the prevalence of childhood sexual abuse. An anonymous, self-administered questionnaire was given to student nurses and trainee medical assistants at the Ipoh School of Nursing and Hospital Bahagia Medical Assistant Training School. Questionnaires were distributed directly to all students in a classroom setting and retrieved after a 30-minute interval. Information collected included questions on personal experiences of sexual abuse. Sexual abuse was defined as rape, sodomy, molestation, or exhibitionism occurring to a child less than 18 years of age. Six hundred and sixteen students participated in the study; 6.8% of the students admitted to having been sexually abused in their childhood, 2.1% of males and 8.3% of females. Of those abused, 69% reported sexual abuse involving physical contact, 9.5% of whom experienced sexual intercourse. The age at first abuse was < 10 years in 38.1% of the cases; 59.5% were repeatedly abused and 33.3% had more than one abuser. Of the abusers, 71.4% were known to the respondent, 14.2% of whom were brothers, 24.5% relatives, and 24.5% a family friend. Further, 28.9% of all students knew of an individual who had been sexually abused as a child. While this population may not be entirely reflective of the community, this study does provide an indication of the prevalence of sexual abuse in Malaysian children. The prevalence figures in this study are lower than those reported in industrialized countries and this may reflect local sociocultural limitations in reporting abuse.
  4. Arvinder-Singh HS, Foo PL, Chew CC, Dhillon SS
    Med J Malaysia, 2022 Nov;77(6):676-683.
    PMID: 36448384
    INTRODUCTION: Needle-stick injuries (NSIs) are common amongst healthcare workers including pharmacists. Studies have reported a range of 0-5.65 per 1,000 pharmacists handling vaccinations that suffered at least one incident of NSI. The objective of this study was to determine the prevalence of NSI and the barriers encountered in reporting it amongst government pharmacists working in Perak.

    MATERIALS AND METHODS: This was a cross-sectional study conducted amongst all government pharmacists in Perak. We excluded those who did not consent or were unreachable electronically. The researchers provided an online link that was forwarded to all heads of departments in Perak via social media. The respondents answered their demographic details, questions assessing their knowledge of NSI transmissible diseases, needle-stick handling practices, detail experiences of them suffering an NSI (all self-developed questionnaires), and their barriers in reporting an NSI (validated questionnaire). All responses were auto-tabulated in an excel sheet. A sample size of 516 pharmacists was needed for this study. A respondent was deemed to have inadequate knowledge when they answered any question wrongly about NSI knowledge-related questions and inappropriate practice in needle handling when respondents answered any questions wrongly for questions assessing practices.

    RESULTS: A total of 524 pharmacists participated. The overall prevalence of NSI was 23.1% (n=121), of which, those with contaminated NSI were 10.3% (n=54, 95%CI: 7.9-13.30). Twothirds of the participants (66.6%) had inadequate knowledge and nearly all of them were unable to describe the appropriate needle-handling practices (94.7%). Amongst the reported barriers were "not knowing whose duty it was to report an NSI" (45.5%) and "busy schedules" (44.7%).

    CONCLUSION: One in every five pharmacists in the state of Perak had a history of NSI, and 1 in every 10 had sustained a contaminated NSI. The barriers to reporting a NSI were mainly due to uncertainty about whose responsibility to report the incident and being too busy to report it.

  5. Paranthaman V, Satnam K, Lim JL, Amar-Singh HS, Sararaks S, Nafiza MN, et al.
    Asian J Psychiatr, 2010 Dec;3(4):206-12.
    PMID: 23050889 DOI: 10.1016/j.ajp.2010.07.002
    Background: Psychoeducation has shown promising benefits in managing patients with schizophrenia. In Malaysia, the use of psychoeducation is rather limited and its impact indeterminate.
    Aims: To assess the effectiveness of a structured psychoeducation programme for the community in improving caregiver knowledge, decreasing caregivers’ burden, reducing patients’ readmission and defaulter follow up rates.
    Method: In a controlled interventional study, 109 caregivers were included, 54 and 55 in the intervention and control groups respectively. Caregivers were assessed at baseline, 3 and 6 months post-intervention for knowledge and burden. Patients were monitored for relapse and defaulting follow up in the clinic.
    Results: Caregivers in the intervention group showed significant improvement in knowledge, reduction in burden in assistance in daily living (severity) and a reduced defaulter rate was seen in the patients’ follow up.
    Conclusion: The findings shows that structured psychoeducation programme among caregivers has the potential to improve outcome of care for patients with schizophrenia.
    Keywords: Schizophrenia; Psychoeducation; Community; Caregiver Questionnaire: Family Burden Interview Schedule–Short Form (FBIS/SF)
  6. Giak CL, Singh HS, Nallusamy R, Leong TY, Ng TL, Bock HL
    PMID: 19058579
    This study aimed to document the baseline incidence and epidemiology of intussusception (IS) in Malaysia. This retrospective surveillance examined hospital discharge data from three hospitals in Malaysia to identify IS cases over a 3-year period (2000-2003) in children <5 years of age. Identification of definite cases of IS was done through a search of computerized hospital discharge records (ICD-9-CM code 560.0) followed by confirmation of diagnosis through medical record review. The definition of IS was based on the clinical guidelines from the IS Brighton Collaboration Working Group, version 2002. During the 3-year study period, there were 62 cases hospitalized due to IS, of which 74.2% were < 1 year of age. The incidences for hospitalization due to IS in children < 1 year old and < 5 years old averaged 17.8 and 4.8 per 100,000 person-years, respectively. No IS-associated deaths were recorded and all IS cases had a favorable outcome. No distinct seasonality with IS occurrence was observed.
  7. Amin OM, Chaudhary A, Heckmann RA, Ha NV, Singh HS
    Acta Parasitol, 2019 Dec;64(4):779-796.
    PMID: 31332657 DOI: 10.2478/s11686-019-00102-3
    BACKGROUND: Most (82%) of the 46 recognized species of Acanthogyrus (Acanthosentis) Verma and Datta, 1929 are known from Asian freshwater fishes. Only three species of Acanthosentis are known from marine or brackish water fishes from India and Pakistan. We have discovered another marine species of Acanthosentis in the Pacific Ocean, off Vietnam.

    PURPOSE: The purpose is to describe the new species morphologically and molecularly and provide new information of its evolutionally relationships with other species of the subgenus.

    METHODS: Standard methods of collection and examination of marine hosts, processing and illustrating of specimens, and taxonomic identification of parasites using the extensive collection of the lead author were used. Specimens were further studied using energy-dispersive X-ray analysis and ion sectioning of hooks, SEM analysis, and molecular sequencing. Type specimens were deposited at the Harold W. Manter Lab. collection, Lincoln, Nebraska.

    RESULTS: Acanthogyrus (Acanthosentis) fusiformis n. sp. is described from the catfish, Arius sp. (Ariidae: Siluriformes) off the Pacific Coast of Vietnam at Bac Lieu in the Gulf of Thailand. The three other marine Indian species include A. (A.) arii Bilqees, 1971 which is also described from a similar catfish, Arius serratus Day off the Karachi coast in the Arabian Sea, Indian Ocean. Our new species from Vietnam is distinguished from the other 46 species by a combination of characters including a small fusiform trunk, complete circles of small hollow spines covering the entire trunk, prominent double apical organs often extending posteriorly past posterior hooks, middle and posterior hooks of equal size slightly smaller than anterior hooks, large neck continuous with the outline of the proboscis without distinct separation, big drop-shaped cephalic ganglion, extension of the proboscis receptacle anteriorly past the base of the proboscis up to the insertion point of the posterior hooks, presence of two para-receptacle structures (PRSs), free unattached thick lemnisci, short female reproductive system with filamentous attachment of the distal end of the uterine bell to the ventral body wall, and small narrowly ellipsoid eggs with thickened polar ends. Partial sequences of the 18S and internal transcribed spacers (ITS1-5.8S-ITS2) of ribosomal RNA were generated and used for phylogenetic analyses to confirm the taxonomic identity of Acanthogyrus (Acanthosentis) fusiformis n. sp.

    CONCLUSIONS: We describe unique morphological features of A. fusiformis never before known in the subgenus Acanthosentis. The uniqueness of A. fusiformis is further demonstrated by its EDXA fingerprint characterized by high levels of calcium and phosphorous in hooks. The zoogeography of species of Acanthosentis is elucidated in the Indian subcontinent, the Caribbean, China, and Africa. Molecular data have been available only in few species of Acanthogyrus (Acanthosentis) to date on GenBank database. For 18S, only two sequences from unknown Acanthosentis sp. from India are available, while for the ITS1-5.8S-ITS2 region, only sequences of A. cheni from China and of two unidentified species from Malaysia are available. Additional studies of species of Acanthosentis based on morphological and molecular genetic data will be needed to reconstruct the evolutionary history and phylogenetic affinities of this group of acanthocephalans.

  8. Ng BW, Azhar AA, Azman MH, Sukri MS, Arvinder-Singh HS, Abdul Wahid AM
    Med J Malaysia, 2020 07;75(4):391-395.
    PMID: 32724000
    INTRODUCTION: Nurses play a vital role in the care and prevention of ulcers in patients with diabetic foot. Patient education, prevention of ulcers and rehabilitation are some of the vital aspects that nurses provide on a daily basis. Thus, good knowledge and attitude of nurses towards diabetic foot ulcers and its care will ensure better patient care.

    OBJECTIVES: The aim is to study the level of knowledge and attitude of nurses towards diabetic foot ulcers and its care in Hospital Segamat, Malaysia.

    METHODS: A validated questionnaire was used between February 2019 to May 2019 covering area such as demography, predisposing factors of ulcer formation, characteristics of ulcers, complications of ulcers, and attitude towards diabetic foot care.

    RESULTS: A total of 101 nurses took part and 57% of the participants scored poorly in the knowledge section of the questionnaire. In all 72% had scored poorly when asked regarding complications of diabetic foot ulcers; 49.5% of the nurses had positive attitude towards diabetic foot care; and 79.3% thought that care for diabetic foot ulcer is timeconsuming. Majority of them think that their colleagues are the main source of information. All demographic variables were deemed to be confounders with the knowledge and attitude of nurses towards diabetic foot ulcers and its care.

    CONCLUSIONS: Nurses in this centre had poor knowledge towards diabetic foot ulcers and its care. None of the variable studied were correlated with the level know knowledge. Good or poor knowledge of nurses does not correspond equally to good or poor attitude towards diabetic foot ulcers care. More frequent formal training of diabetic foot care would be needed to ensure better knowledge.
  9. Loo TH, Arvinder-Singh HS, Ang YC, Kong YH, Vikram Suarn S, Rakesh S
    Med J Malaysia, 2022 Nov;77(6):643-649.
    PMID: 36448379
    INTRODUCTION: Psychological distress had been documented since the beginning of the COVID-19 outbreak in 2019. The aim of the study is to describe the psychological impact among those who were hospitalized for COVID-19 infection within 6 months after being discharged from the hospital. The psychological impact in this study is defined as depression, anxiety, and stress.

    MATERIALS AND METHODS: This was a cross-sectional study conducted from July 2020 till August 2021 in a regional state hospital, north of Malaysia. All patients requiring hospitalization for COVID-19 were approached within the first 2 weeks after admission to administer the Depression, Anxiety and Stress Scale - 21 Items (DASS-21) scale. Follow-up phone calls were made within 3 months of discharged to enquire about the DASS-21 items as well as the Impact of Event Scale-Revised (IES-R) scale items. Participants above the age of 18 and technology savvy to answer an online questionnaire were recruited for the study. We excluded participants with a known history of psychotic disorder from the study. We utilised the DASS-21 to screen for depression, anxiety, and stress, as well as the IES-R to identify symptoms of post-traumatic stress disorder. Participants could answer the questionnaires in either English or Bahasa Malaysia. For comparison of two categorical data, a chi-square was applied. A univariate analysis was first conducted and all variables with a p ≤0.3 was then entered into the multivariate analysis for the final output. Other than the univariate analysis, all other p values <0.05 were considered to be statistically significant. All data collected were tabulated and analysed in the SPSS v21.0 system.

    RESULTS: A total of 306 out of 696 COVID-19 patients responded. The mean age for the participants was 31.69 (SD:11.19) years old. From the total, 54.2% were ladies, 78.8% were Malay, 50.7% were unmarried, 55.2% had higher education, and 67.6% were employed at the time of the survey. We found 20.5% of the participants were depressed, 38.9% had moderate anxiety, and 17.3% were stressed. From the total, 31.7% of the participants were deemed to have had some symptoms of post-traumatic stress disorder (PTSD) ranging from mild to severe. From the final multivariate analysis, it was found that depression (p=0.02) had a 2.78 times likeliness of having PTSD, anxiety (p<0.001) had a 3.35 times likeliness of having PTSD and stressed patients (p=0.02) 2.86 times likeliness of having PTSD when compared to those without PTSD.

    CONCLUSION: Patients reported to suffer from symptoms of PTSD and might benefit from psychological interventions to mitigate the impact in the long run.

  10. Tejpal Singh HS, Aminuddin AA, Pang KL, Ekeuku SO, Chin KY
    Pharmaceuticals (Basel), 2023 Mar 02;16(3).
    PMID: 36986484 DOI: 10.3390/ph16030385
    Arthritis is a cluster of diseases impacting joint health and causing immobility and morbidity in the elderly. Among the various forms of arthritis, osteoarthritis (OA) and rheumatoid arthritis (RA) are the most common. Currently, satisfying disease-modifying agents for arthritis are not available. Given the pro-inflammatory and oxidative stress components in the pathogenesis of arthritis, tocotrienol, a family of vitamin E with both anti-inflammatory and antioxidant properties, could be joint-protective agents. This scoping review aims to provide an overview of the effects of tocotrienol on arthritis derived from the existing scientific literature. A literature search using PubMed, Scopus and Web of Science databases was conducted to identify relevant studies. Only cell culture, animal and clinical studies with primary data that align with the objective of this review were considered. The literature search uncovered eight studies investigating the effects of tocotrienol on OA (n = 4) and RA (n = 4). Most of the studies were preclinical and revealed the positive effects of tocotrienol in preserving joint structure (cartilage and bone) in models of arthritis. In particular, tocotrienol activates the self-repair mechanism of chondrocytes exposed to assaults and attenuates osteoclastogenesis associated with RA. Tocotrienol also demonstrated strong anti-inflammatory effects in RA models. The single clinical trial available in the literature showcases that palm tocotrienol could improve joint function among patients with OA. In conclusion, tocotrienol could be a potential anti-arthritic agent pending more results from clinical studies.
  11. Hussin R, Aziz AFA, Ali MF, Monoto EMM, Arvinder-Singh HS, Alabed AAA, et al.
    BMC Prim Care, 2023 Sep 08;24(1):181.
    PMID: 37684626 DOI: 10.1186/s12875-023-02138-x
    BACKGROUND: In countries where access to Specialist stroke care services are limited, primary care physicians often manage stroke patients and the caregiving family members. This study aimed to evaluate the impact of Stroke Riskometer Application (SRA™) on promoting healthier lifestyles among familial stroke caregivers for primary prevention.

    METHODS: A parallel, open-label, 2-arm prospective, pilot randomised controlled trial was conducted at a long-term stroke service at a university based primary care clinic. All stroke caregivers aged ≥ 18 years, proficient in English or Malay and smartphone operation were invited. From 147 eligible caregivers, 76 participants were randomised to either SRA™ intervention or conventional care group (CCG) after receiving standard health counselling. The intervention group had additional SRA™ installed on their smartphones, which enabled self-monitoring of modifiable and non-modifiable stroke risk factors. The Stroke Riskometer app (SRATM) and Life's Simple 7 (LS7) questionnaires assessed stroke risk and lifestyle practices. Changes in clinical profile, lifestyle practices and calculated stroke risk were analysed at baseline and 3 months. The trial was registered in the Australia-New Zealand Clinical Trial Registry, ACTRN12618002050235.

    RESULTS: The demographic and clinical characteristics of the intervention and control group study participants were comparable. Better improvement in LS7 scores were noted in the SRA™ arm compared to CCG at 3 months: Median difference (95% CI) = 0.88 (1.68-0.08), p = 0.03. However, both groups did not show significant changes in median stroke risk and relative risk scores at 5-, 10-years (Stroke risk 5-years: Median difference (95% CI) = 0.53 (0.15-1.21), p = 0.13, 10-years: Median difference (95% CI) = 0.81 (0.53-2.15), p = 0.23; Relative risk 5-years: Median difference (95% CI) = 0.84 (0.29-1.97), p = 0.14, Relative risk 10-years: Median difference (95% CI) = 0.58 (0.36-1.52), p = 0.23).

    CONCLUSION: SRA™ is a useful tool for familial stroke caregivers to make lifestyle changes, although it did not reduce personal or relative stroke risk after 3 months usage.

    TRIAL REGISTRATION: No: ACTRN12618002050235 (Registration Date: 21st December 2018).

  12. Cohen C, Moreira ED, Nañez H, Nachiappan JP, Arvinder-Singh HS, Huoi C, et al.
    Vaccine, 2019 03 22;37(13):1868-1875.
    PMID: 30826144 DOI: 10.1016/j.vaccine.2019.01.087
    BACKGROUND: The background incidence of viscerotropic- (VLD) and neurotropic-like disease (NLD) unrelated to immunization in dengue-endemic countries is currently unknown.

    METHODS: This retrospective population-based analysis estimated crude and standardized incidences of VLD and NLD in twelve hospitals in Brazil (n = 3), Mexico (n = 3), and Malaysia (n = 6) over a 1-year period before the introduction of the tetravalent dengue vaccine. Catchment areas were estimated using publicly available population census information and administrative data. The denominator population for incidence rates was calculated, and sensitivity analyses assessed the impact of important assumptions.

    RESULTS: Total cases adjudicated as definite VLD were 5, 57, and 56 in Brazil, Mexico, and Malaysia, respectively. Total cases adjudicated as definite NLD were 103, 29, and 26 in Brazil, Mexico, and Malaysia, respectively. Crude incidence rates of cases adjudicated as definite VLD in Brazil, Mexico, and Malaysia were 1.17, 2.60, and 1.48 per 100,000 person-years, respectively. Crude incidence rates of cases adjudicated as definite NLD in Brazil, Mexico, and Malaysia were 4.45, 1.32, and 0.69 per 100,000 person-years, respectively.

    CONCLUSIONS: Background incidence estimates of VLD and NLD obtained in Mexico, Brazil, and Malaysia could provide context for cases occurring after the introduction of the tetravalent dengue vaccine.

  13. Omar K, Baha Raja D, Abdul Taib NA, Rajaram N, Ahmed J, Arvinder-Singh HS, et al.
    Travel Med Infect Dis, 2022;47:102318.
    PMID: 35342008 DOI: 10.1016/j.tmaid.2022.102318
    BACKGROUND: Guided by the best practices adapted from national and international bodies including the World Health Organization (WHO), the Centers for Disease Control (CDC), and the UK Joint Biosecurity Centre (JBC), this paper aims to develop and provide an empirical risk stratification and assessment framework for advancing the safe resumption of global travel during the COVID-19 pandemic.

    METHOD: Variables included in our model are categorized into four pillars: (i) incidence of cases, (ii) reliability of case data, (iii) vaccination, and (iv) variant surveillance. These measures are combined based on weights that reflect their corresponding importance in risk assessment within the context of the pandemic to calculate the risk score for each country. As a validation step, the outcome of the risk stratification from our model is compared against four countries.

    RESULTS: Our model is found to have good agreement with these benchmarked risk designations for 27 out of the top 30 countries with the strongest travel ties to Malaysia (90%). Each factor within this model signifies its importance and can be adapted by governing bodies to address the changing needs of border control policies for the recommencement of international travel.

    CONCLUSION: In practice, the proposed model provides a turnkey solution for nations to manage transmission risk by enabling stakeholders to make informed, evidence-based decisions to minimize fluctuations of imported cases and serves as a structure to support the improvement, planning, and activation of public health control measures.

  14. Chang CT, Chan HK, Cheah WK, Tan MP, Ch'ng ASH, Thiam CN, et al.
    J Pharm Policy Pract, 2023 Oct 19;16(1):122.
    PMID: 37858273 DOI: 10.1186/s40545-023-00630-4
    INTRODUCTION: Polypharmacy and potentially inappropriate medications (PIM) are common among older adults. To guide appropriate prescribing, healthcare professionals often rely on explicit criteria to identify and deprescribe inappropriate medications, or to start medications due to prescribing omission. However, most explicit PIM criteria were developed with inadequate guidance from quality metrics or integrating real-world data, which are rich and valuable data source.

    AIM: To develop a list of medications to facilitate appropriate prescribing among older adults.

    METHODS: A preliminary list of PIM and potential prescribing omission (PPO) were generated from systematic review, supplemented with local pharmacovigilance data of adverse reaction incidents among older people. Twenty-one experts from nine specialties participated in two Delphi to determine the list of PIM and PPO in February and March 2023. Items that did not reach consensus after the second Delphi round were adjudicated by six geriatricians.

    RESULTS: The preliminary list included 406 potential candidates, categorised into three sections: PIM independent of diseases, disease dependent PIM and omitted drugs that could be restarted. At the end of Delphi, 92 items were decided as PIM, including medication classes, such as antacids, laxatives, antithrombotics, antihypertensives, hormones, analgesics, antipsychotics, antidepressants, and antihistamines. Forty-two disease-specific PIM criteria were included, covering circulatory system, nervous system, gastrointestinal system, genitourinary system, and respiratory system. Consensus to start potentially omitted treatment was achieved in 35 statements across nine domains.

    CONCLUSIONS: The newly developed PIM criteria can serve as a useful tool to guide clinicians and pharmacists in identifying PIMs and PPOs during medication review and facilitating informed decision-making for appropriate prescribing.

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