Displaying publications 21 - 40 of 406 in total

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  1. Kashiwazaki Y, Na YN, Tanimura N, Imada T
    J Virol Methods, 2004 Nov;121(2):259-61.
    PMID: 15381364
    A monoclonal antibody (MAb) based solid-phase blocking ELISA was developed for detection of antibodies to Nipah virus. The ELISA was designed to detect remaining antigens on the plate with anti-Nipah MAb conjugate after the reaction with sample serum, and enabled simple procedure, detection of neutralizing antibody to Nipah virus, and application of samples from different animal species. Forty of 200 swine reference sera examined were positive by the ELISA, of which thirty seven were found positive by serum neutralization test. Sera from a total of 131 fruit bats captured in Malaysia were also tested and all found negative by the both tests. It is considered that the solid-phase blocking ELISA can be used as a screening test for Nipah virus infection followed by the serum neutralization test as confirmatory test.
    Matched MeSH terms: Mass Screening/methods
  2. Quek. KF, Abdul Rashid M, Lingam SS
    MyJurnal
    Cancer of uterine cervix is one of the most common cancers among women worldwide, second only to breast cancer in incidence and mortality. Industrialized countries have dramatically reduced the incidence of mortality from cervical cancer in the last 50 years through aggressive screening programs utilizing pelvic examinations and Papanicolaou (pap) smears. The main objective of the study was to determine the relationship between socio-demography, knowledge, attitude and practice regarding pap smear screening among female patients in Hospital Teluk Intan. There was statistically significant association between level of knowledge and practice (p
    Matched MeSH terms: Mass Screening
  3. Agide FD, Garmaroudi G, Sadeghi R, Shakibazadeh E, Yaseri M, Koricha ZB, et al.
    Eur J Public Health, 2018 12 01;28(6):1156-1162.
    PMID: 30346504 DOI: 10.1093/eurpub/cky197
    Background: Cervical cancer screening reduced cancer morbidity and mortality in developed countries. Health education interventions are expected to enhance screening and early detection. Thus, this review is aimed to see the effectiveness of the interventions in cervical cancer screening uptake.

    Methods: Online databases (PubMed/MEDLINE/PubMed Central, EMBASE, Cochrane Central Register of Controlled Trials, Web of Science and Google Scholar) were searched for all published eligible research articles in the past 12 years (as of January 2005-2017). A total of 17 research articles were included. The interventions were classified as 'individual level', 'community level' and 'cultural sensitive educations' which contains various interventions in their content as compared with usual care. A quality coding system was assessed using Cochrane checklists and rated by each researcher independently and the average score was given accordingly. This study was registered in PROSPERO 2017: CRD42017060405.

    Results: The review dovetailed 17 studies. Ten studies (58.82%) were conducted in the United States, three in Iran (17.65%) and one each in Malaysia, China, Cameroon and Nigeria (23.53%). Almost all levels of the interventions boosted the screening uptake and the Pap test. However, the individual level health education interventions were prioritized in many of the studies.

    Conclusion: The review indicated that health education interventions have immense contributions in boosting the screening uptake. However, the effectiveness varies with study setting, populations and the way of delivery. Therefore, the limited quality of the studies indicated that further research is required to develop a simple and effective intervention to boost cervical cancer screening uptake.

    Matched MeSH terms: Mass Screening
  4. Morgan K, Azzani M, Khaing SL, Wong YL, Su TT
    J Low Genit Tract Dis, 2019 Jul;23(3):193-199.
    PMID: 30933030 DOI: 10.1097/LGT.0000000000000476
    OBJECTIVES: Female self-sampling for human papillomavirus (HPV) DNA testing is an alternative screening method that can potentially increase cervical cancer screening coverage. This review addresses the acceptability of HPV DNA testing using self-sampling compared with conventional clinician-collected sampling. Barriers to and others factors associated with acceptability of either method were also examined.

    METHODS: The following electronic resources were searched: Medline @EBSCOHOST(Medline), Embase, PubMed, and CINAHL databases. Manual searches were also conducted. The main outcome of interest was the acceptability of HPV DNA testing by self-sampling in comparison with clinician-collected sampling.

    RESULTS: In total, 23 articles were included in this systematic review. The majority (19 studies) were quantitative intervention studies and 4 studies were qualitative observational studies. Eleven studies reported a preference for self-sampling by women compared with clinician-collected sampling (64.7%-93%). The remaining studies found that women preferred clinician-collected sampling because mainly of respondents' lack of confidence in their ability to complete self-sampling correctly. In most articles reviewed, the studied associated factors, such as demographic factors (age, marital status, and ethnicity), socioeconomic factors (income, education level), reproductive factors (condom use, number of children, current use of contraception, and number of partners), and habits (smoking status) were not found to be significantly associated with preference.

    CONCLUSIONS: Both methods of sampling were found to be acceptable to women. Self-sampling is cost-effective and could increase the screening coverage among underscreened populations. However, more information about the quality, reliability, and accuracy of self-sampling is needed to increase women's confidence about using to this method.

    Matched MeSH terms: Mass Screening/methods*
  5. Toh TH, Tan VW, Lau PS, Kiyu A
    J Autism Dev Disord, 2018 01;48(1):28-35.
    PMID: 28866856 DOI: 10.1007/s10803-017-3287-x
    This study determined the accuracy of Modified Checklist for Autism in Toddlers (M-CHAT) in detecting toddlers with autism spectrum disorder (ASD) and other developmental disorders (DD) in community mother and child health clinics. We analysed 19,297 eligible toddlers (15-36 months) who had M-CHAT performed in 2006-2011. Overall sensitivities for detecting ASD and all DD were poor but better in the 21 to <27 months and 27-36-month age cohorts (54.5-64.3%). Although positive predictive value (PPV) was poor for ASD, especially the younger cohort, positive M-CHAT helped in detecting all DD (PPV = 81.6%). This suggested M-CHAT for screening ASD was accurate for older cohorts (>21 months) and a useful screening tool for all DD.
    Matched MeSH terms: Mass Screening/methods; Mass Screening/standards*
  6. Rashid RM, Dahlui M, Mohamed M, Gertig D
    Asian Pac J Cancer Prev, 2013;14(3):2141-6.
    PMID: 23679334
    Cervical cancer is the third most common form of cancer that strikes Malaysian women. The National Cancer Registry in 2006 and 2007 reported that the age standardized incidence (ASR) of cervical cancer was 12.2 and 7.8 per 100,000 women, respectively. The cumulative risk of developing cervical cancer for a Malaysian woman is 0.9 for 74 years. Among all ethnic groups, the Chinese experienced the highest incidence rate in 2006, followed by Indians and Malays. The percentage cervical cancer detected at stage I and II was 55% (stage I: 21.0%, stage II: 34.0%, stage III: 26.0% and stage IV: 19.0%). Data from Ministry of Health Malaysia (2006) showed a 58.9% estimated coverage of pap smear screening conducted among those aged 30-49 years. Only a small percentage of women aged 50-59 and 50-65 years old were screened, 14% and 13.8% coverage, respectively. Incidence of cervical cancer was highest (71.6%) among those in the 60-65 age group (MOH, 2003). Currently, there is no organized population-based screening program available for the whole of Malaysia. A pilot project was initiated in 2006, to move from opportunistic cervical screening of women who attend antenatal and postnatal visits to a population based approach to be able to monitor the women through the screening pathway and encourage women at highest risk to be screened. The project was modelled on the screening program in Australia with some modifications to suit the Malaysian setting. Substantial challenges have been identified, particularly in relation to information systems for call and recall of women, as well as laboratory reporting and quality assurance. A cost-effective locally-specific approach to organized screening, that will provide the infrastructure for increasing participation in the cervical cancer screening program, is urgently required.
    Matched MeSH terms: Mass Screening*
  7. Golime R, Chandra B, Palit M, Dubey DK
    Arch Toxicol, 2019 06;93(6):1473-1484.
    PMID: 30923868 DOI: 10.1007/s00204-019-02435-4
    Humans are constantly exposed to a wide range of reactive and toxic chemicals from the different sources in everyday life. Identification of the exposed chemical helps in the detection and understanding the exposure associated adverse health effects. Covalent adducts of proteins and DNA formed after xenobiotics exposure may serve as readily measurable indicators of these exposures. Measuring the exposed chemicals with focus on adducts resulting from the nucleophilic interactions with blood proteins is useful in the development of diagnostic markers. Particularly, the most abundant proteins such as albumin and hemoglobin acts as dominant scavengers for many reactive chemicals in blood and can serve as excellent diagnostic candidates to determine the type of chemical exposure. This review focuses on the potential application of an adductomics approach for the screening of bimolecular adducts of chemical warfare agents (CWAs). Recent incidents of CWAs use in Syria, Malaysia, and the UK illustrate the continuing threat of chemical warfare agents in the modern world. Detection of CWAs and their metabolites in blood or in other body fluids of victims depends on immediate access to victims. Concentrations of intact CWAs in body fluids of surviving victims may decline rapidly within a few days. Certain CWAs, particularly nerve agents and vesicants, form covalent bonds with certain amino acids to form CWA-protein adducts. Proteins that are abundant in the blood, including albumin and hemoglobin, may carry these adducts longer after the original exposure. We searched MEDLINE and ISI Web of Science databases using the key terms "adductomics" "adducts of CWAs," "CWAs adducts detection in the biological samples," "protein adducts of CWAs," alone and in combination with the keywords "detection" "intoxication" "exposure" "adverse effects" and "toxicity." We also included non-peer-reviewed sources such as text books, relevant newspaper reports, and applicable Internet resources. We screened bibliographies of identified articles for additional relevant studies including non-indexed reports. These searches produced 1931 citations of which only relevant and nonduplicate citations were considered for this review. The analysis of biomedical samples has several purposes including detecting and identifying the type of chemical agent exposed, understanding the biological mechanism, assists in giving adequate treatment, determining the cause of death and providing evidence in a court of justice for forensic investigations. Rapid advances in the mass spectrometry to acquire high-quality data with greater resolution enabled the analysis of protein and DNA adducts of xenobiotics including CWAs and place the rapidly advancing 'adductomics' next to the other "-omics" technologies. Adductomics can serve as a powerful bioanalytical tool for the verification of CWAs exposure. This review mostly describes the protein adducts for nerve agents and vesicants, outlines the procedures for measuring adducts, and suggests the evolving (or future) use of adducts in the detection and verification of CWAs.
    Matched MeSH terms: Mass Screening
  8. Othman N, Othman NH
    Malays J Pathol, 2012 Dec;34(2):115-21.
    PMID: 23424773 MyJurnal
    The aim of this study was to examine cells (split-sample) that were retained on sampling devices used to collect conventional Pap smears (primary smears) in order to evaluate specimen adequacy and cytological diagnosis of scrapings that are routinely discarded.
    Matched MeSH terms: Mass Screening/methods*
  9. Saw S, Aw TC
    Pathology, 2000 Nov;32(4):245-9.
    PMID: 11186419
    Cancer of the prostate is the sixth most frequently found cancer in Singapore. Prostate-specific antigen (PSA) is the most clinically useful tumour marker available today for the diagnosis and management of prostate cancer. To enhance the value of PSA as a screening test we developed age-specific intervals for our ethnic population. The measurement of free PSA was included in the study to calculate the free:total ratio which enhances the differential diagnosis of prostate cancer from benign prostatic hyperplasia or prostatitis. The total PSA upper limits of 10-year intervals, beginning at 30-years-old, were 1.4, 1.7, 2.3, 4.0, 6.3 and 6.6 microg/l. Free PSA cut-off limits were 0.4, 0.5, 0.5, 1.0, 1.5 and 1.6 microg/l. The free:total ratio of PSA was not age dependent. Abbott AxSym standardised their calibration material for both free and total PSA assays with the Stanford 90:10 reference material. This laboratory has implemented these age-specific reference intervals and are currently following up their pick-up rate in the detection of prostate cancer.
    Matched MeSH terms: Mass Screening
  10. Indran SK
    Br J Psychiatry, 1994 Jul;165(1):122.
    PMID: 7953020
    Matched MeSH terms: Mass Screening*
  11. Ang KC, Lee EH, Lee PY, Tan KL
    Ann Acad Med Singap, 1997 Jul;26(4):456-8.
    PMID: 9395810
    The incidence of congenital dislocation of the hip (CDH) in Singapore and Malaysia has been reported as being lower than in the West. In our hospital, we have seen an increasing number of congenital hip dislocation as well as dysplastic hips. We undertook a prospective study from December 1989 to December 1994 of 20,000 live births. The neonates were all screened by a consultant neonatologist and the findings were confirmed by a consultant paediatric orthopaedic surgeon. All babies had plain X-rays at 3 months and an acetabular index (AI) of 30 degrees or more was considered dysplastic. All babies with positive signs were followed up for 1 year and again had radiographs taken at 1 year. Comparison of plain X-rays and ultrasound assessment in a subgroup of 130 neonates showed that 64% of patients with AI > 20 degrees had hip dysplasia by ultrasonographic (alpha angle < 60 degrees) The incidence of dysplastic hips was 16.8 per 1000 live births. The overall incidence of neonates with dislocated hips was 4.7 per 1000 live births. The Malays were most affected with an incidence of 5.4 per 1000 live births. The incidence of developmental dysplasia of the hip in Singapore is higher than previously reported, with the Malays having the highest incidence. A significant number of babies with clicking hips have radiological evidence of acetabular dysplasia (AI > 30 degrees). One-third of the babies' hips were still dysplastic at 1 year of age. A well-organised screening programme with experienced examiners has proved to be useful in making early and accurate clinical diagnosis.
    Matched MeSH terms: Mass Screening
  12. Tan TY, Teo KP, Tan KH
    Singapore Med J, 1999 Dec;40(12):733-7.
    PMID: 10709422
    To determine the knowledge, attitudes and practices of obstetricians with regards to HIV screening in pregnant women.
    Matched MeSH terms: Mass Screening*
  13. Sy Mohamad SF, Mohd Said F, Abdul Munaim MS, Mohamad S, Azizi Wan Sulaiman WM
    Crit Rev Biotechnol, 2020 May;40(3):341-356.
    PMID: 31931631 DOI: 10.1080/07388551.2020.1712321
    Reverse micellar extraction (RME) has emerged as a versatile and efficient tool for downstream processing (DSP) of various biomolecules, including structural proteins and enzymes, due to the substantial advantages over conventional DSP methods. However, the RME system is a complex dependency of several parameters that influences the overall selectivity and performance of the RME system, hence this justifies the need for optimization to obtain higher possible extraction results. For the last two decades, many experimental design strategies for screening and optimization of RME have been described in literature. The objective of this article is to review the use of different experimental designs and response surface methodologies that are currently used to screen and optimize the RME system for various types of biomolecules. Overall, this review provides the rationale for the selection of appropriate screening or optimization techniques for the parameters associated with both forward and backward extraction during the RME of biomolecules.
    Matched MeSH terms: Mass Screening
  14. Bulgiba AM
    Prev Med, 2005 Jun;40(6):696-701.
    PMID: 15850867
    The objective of this study is to look at how well patient history and examination findings can be used in screening for angina.
    Matched MeSH terms: Mass Screening/methods*
  15. Cheong AT, Liew SM, Khoo EM, Mohd Zaidi NF, Chinna K
    BMC Fam Pract, 2017 Jan 17;18(1):4.
    PMID: 28095788 DOI: 10.1186/s12875-016-0579-8
    BACKGROUND: Cardiovascular disease (CVD) is the leading cause of death globally. However, many individuals are unaware of their CVD risk factors. The objective of this systematic review is to determine the effectiveness of existing intervention strategies to increase uptake of CVD risk factors screening.

    METHODS: A systematic search was conducted through Pubmed, CINAHL, EMBASE and Cochrane Central Register of Controlled Trials. Additional articles were located through cross-checking of the references list and bibliography citations of the included studies and previous review papers. We included intervention studies with controlled or baseline comparison groups that were conducted in primary care practices or the community, targeted at adult populations (randomized controlled trials, non-randomized trials with controlled groups and pre- and post-intervention studies). The interventions were targeted either at individuals, communities, health care professionals or the health-care system. The main outcome of interest was the relative risk (RR) of screening uptake rates due to the intervention.

    RESULTS: We included 21 studies in the meta-analysis. The risk of bias for randomization was low to medium in the randomized controlled trials, except for one, and high in the non-randomized trials. Two analyses were performed; optimistic (using the highest effect sizes) and pessimistic (using the lowest effect sizes). Overall, interventions were shown to increase the uptake of screening for CVD risk factors (RR 1.443; 95% CI 1.264 to 1.648 for pessimistic analysis and RR 1.680; 95% CI 1.420 to 1.988 for optimistic analysis). Effective interventions that increased screening participation included: use of physician reminders (RR ranged between 1.392; 95% CI 1.192 to 1.625, and 1.471; 95% CI 1.304 to 1.660), use of dedicated personnel (RR ranged between 1.510; 95% CI 1.014 to 2.247, and 2.536; 95% CI 1.297 to 4.960) and provision of financial incentives for screening (RR 1.462; 95% CI 1.068 to 2.000). Meta-regression analysis showed that the effect of CVD risk factors screening uptake was not associated with study design, types of population nor types of interventions.

    CONCLUSIONS: Interventions using physician reminders, using dedicated personnel to deliver screening, and provision of financial incentives were found to be effective in increasing CVD risk factors screening uptake.

    Matched MeSH terms: Mass Screening/statistics & numerical data*
  16. Tokudome S, Ando R, Ghadimi R, Tanaka T, Hattori N, Yang Z, et al.
    Asian Pac J Cancer Prev, 2007 Mar;8(3):462-3.
    PMID: 18159988
    The great variability in gastric cancer rates across Asia, with very high incidences in Japan and Korea, and exceedingly low incidences in ethnic Malays, whether in Malaysia or Indonesia, appears largely due to variation in Helicobacter pylori infection rates. While between 2% and 10.6% of gastric cancers in a recent Japanese survey were considered to be negative for bacterial infection on the basis of seropositivity and H. pylori-dependent mucosal atrophy, it is notoriously difficult to preclude past infection. The situation is greatly complicated by reported differences in the etiology of gastric cardia and non-cardia cancers. In the Western world there do appear to be tumours arising close to the esophageal-gastric junction which are not related to H. pylori and associated inflammation, but in most Asian populations these appear to be very rare. Therefore preventive efforts, and particularly screening, should be focused on markers of bacterial infection, with avoidance of unnecessary exposure to X-ray radiation.
    Matched MeSH terms: Mass Screening
  17. Zabidi A, Khuan LY, Mansor W
    PMID: 23366136 DOI: 10.1109/EMBC.2012.6346175
    Infant asphyxia is a condition due to insufficient oxygen intake suffered by newborn babies. A 4 to 9 million occurrences of infant asphyxia are reported each year by WHO. Early diagnosis of asphyxia is important to avoid complications such as damage to the brain, organ and tissue that could lead to fatality. This is possible with the automation of screening of infant asphyxia. Here, a non-invasive Asphyxia Screening Kit is developed. It is a Graphical User Interface that automatically detects asphyxia in infants from early birth to 6 months from their cries and displays the outcome of analysis. It is built with Matlab GUI underlied with signal processing algorithms, capable of achieving a classification accuracy of 96.03%. Successful implementation of ASK will assist to screen infant asphyxia for reference to clinicians for early diagnosis. In addition, ASK also provides an interface to enter patient information and images to be integrated with existing Hospital Information Management System.
    Matched MeSH terms: Mass Screening/methods
  18. Adekunjo FO, Rasiah R, Dahlui M, Ng CW
    Afr J AIDS Res, 2020 Dec;19(4):287-295.
    PMID: 33337980 DOI: 10.2989/16085906.2020.1834417
    HIV/AIDS is a major health issue faced by the world, generally, but particularly sub-Saharan Africa. Nigeria ranked third in the world by number of people living with HIV/AIDS in 2019. Despite prominent HIV counselling and testing (HCT) intervention programmes, Nigeria faces serious challenges, such as inadequate funding and low utilisation rates. Paucity of research into such a critical topic has restricted the capacity of policy makers to address the problem adequately. Consequently, a cross-sectional study was carried out using the contingent valuation method to assess the economic quantum of payment and determining factors associated with people's willingness to pay for HCT services. Data were collected from 768 people selected by convenience sampling of three local government areas - Alimosho, Ikorodu and Surulere in Lagos State, Nigeria. Data were analysed using descriptive statistics, chi-square, Mann-Whitney, and general linear regression model analysis. Findings show that 75% of respondents were willing to pay an average fee of N1 291 ($4.22) for HCT services. Significant determinants of willingness to pay were: income; knowledge of someone living with HIV or died of AIDS; worry about HIV infection; and fear of HIV-related stigma. The findings offer vital information germane to co-payment schemes aimed at financial sustainability of HCT and HIV/AIDS programmes in Nigeria.
    Matched MeSH terms: Mass Screening/economics*; Mass Screening/psychology
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