Displaying publications 1261 - 1280 of 3226 in total

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  1. Jones CR, Ovenell SM
    J. Chromatogr., 1979 Jun 11;163(2):179-85.
    PMID: 541369
    A high-performance liquid chromatographic method was developed to enable dapsone, monoacetyl dapsone and pyrimethamine to be measured simultaneously in plasma samples from volunteers in England and Malaysia who had been dosed with Maloprim. Mean half-lives of 25 and 80 h were calculated for dapsone and pyrimethamine, respectively, but there was wide individual variation. All subjects were found to be classifiable as "slow acetylators".
    Matched MeSH terms: Malaria/prevention & control
  2. Ooi TC, Chan KM, Sharif R
    Nutr Cancer, 2017 Feb-Mar;69(2):201-210.
    PMID: 28094570 DOI: 10.1080/01635581.2017.1265132
    Cancer is one of the major causes of death worldwide, and the incidence and mortality rates of cancer are expected to rise tremendously in the near future. Despite a better understanding of cancer biology and advancement in cancer management, current strategies in cancer treatment remain costly and ineffective. Hence, instead of putting more efforts to search for new cancer cures, attention has now been shifted to the development of cancer chemopreventive agents as a preventive measure for cancer formation. It is well known that neoplastic transformation of cells is multifactorial, and the occurrence of oxidative stress, chronic inflammation, and genomic instability events has been implicated in the carcinogenesis of cells. Zinc l-carnosine (ZnC), which is clinically used as gastric ulcer treatment in Japan, has been suggested to have the potential in preventing cancer development. Multiple studies have revealed that ZnC possesses potent antioxidant, anti-inflammatory, and genomic stability enhancement effects. Thus, this review provides some mechanistic insight into the antioxidant, anti-inflammatory, and genomic stability enhancement effects of ZnC in relevance to its chemopreventive potential.
    Matched MeSH terms: Neoplasms/prevention & control*
  3. Caini S, Masala G, Saieva C, Kvaskoff M, Savoye I, Sacerdote C, et al.
    Int J Cancer, 2017 May 15;140(10):2246-2255.
    PMID: 28218395 DOI: 10.1002/ijc.30659
    In vitro and animal studies suggest that bioactive constituents of coffee and tea may have anticarcinogenic effects against cutaneous melanoma; however, epidemiological evidence is limited to date. We examined the relationships between coffee (total, caffeinated or decaffeinated) and tea consumption and risk of melanoma in the European Prospective Investigation into Cancer and Nutrition (EPIC). EPIC is a multicentre prospective study that enrolled over 500,000 participants aged 25-70 years from ten European countries in 1992-2000. Information on coffee and tea drinking was collected at baseline using validated country-specific dietary questionnaires. We used adjusted Cox proportional hazards regression models to calculate hazard ratios (HR) and 95% confidence intervals (95% CI) for the associations between coffee and tea consumption and melanoma risk. Overall, 2,712 melanoma cases were identified during a median follow-up of 14.9 years among 476,160 study participants. Consumption of caffeinated coffee was inversely associated with melanoma risk among men (HR for highest quartile of consumption vs. non-consumers 0.31, 95% CI 0.14-0.69) but not among women (HR 0.96, 95% CI 0.62-1.47). There were no statistically significant associations between consumption of decaffeinated coffee or tea and the risk of melanoma among both men and women. The consumption of caffeinated coffee was inversely associated with melanoma risk among men in this large cohort study. Further investigations are warranted to confirm our findings and clarify the possible role of caffeine and other coffee compounds in reducing the risk of melanoma.
    Matched MeSH terms: Neoplasms/prevention & control*
  4. Ng CW, How CH, Ng YP
    Singapore Med J, 2017 Feb;58(2):72-77.
    PMID: 28210741 DOI: 10.11622/smedj.2017006
    Major depression is a common condition seen in the primary care setting. This article describes the suicide risk assessment of a depressed patient, including practical aspects of history-taking, consideration of factors in deciding if a patient requires immediate transfer for inpatient care and measures to be taken if the patient is not hospitalised. It follows on our earlier article about the approach to management of depression in primary care.
    Matched MeSH terms: Suicide/prevention & control*
  5. Tan BL, Norhaizan ME
    Biomed Res Int, 2017;2017:9017902.
    PMID: 28210630 DOI: 10.1155/2017/9017902
    Cancer is a significant global health concern affecting men and women worldwide. Although current chemopreventive drugs could inhibit the growth of cancer cells, they exert many adverse side effects. Dietary factor plays a crucial role in the management of cancers and has drawn the attention of researchers to be used as an option to combat this disease. Both in vitro and in vivo studies showed that rice and its by-products display encouraging results in the prevention of this disease. The mechanism of anticancer effect is suggested partly through potentiation of bioactive compounds like vitamin E, phytic acid, γ-aminobutyric acid (GABA), γ-oryzanol, and phenolics. Nevertheless, the bioactivity of rice and its by-products is still incompletely understood. In this review, we present the findings from a preclinical study both in in vitro and in animal experiments on the promising role of rice by-products with focus on cancer prevention.
    Matched MeSH terms: Neoplasms/prevention & control*
  6. Barber BE, Rajahram GS, Grigg MJ, William T, Anstey NM
    Malar J, 2017 03 31;16(1):135.
    PMID: 28359340 DOI: 10.1186/s12936-017-1787-y
    BACKGROUND: The 2016 World Health Organization (WHO) World Malaria Report documents substantial progress towards control and elimination of malaria. However, major challenges remain. In some regions of Southeast Asia, the simian parasite Plasmodium knowlesi has emerged as an important cause of human malaria, and the authors believe this species warrants regular inclusion in the World Malaria Report.

    MAIN TEXT: Plasmodium knowlesi is the most common cause of malaria in Malaysia, and cases have also been reported in nearly all countries of Southeast Asia. Outside of Malaysia, P. knowlesi is frequently misdiagnosed by microscopy as Plasmodium falciparum or Plasmodium vivax. Thus, P. knowlesi may be underdiagnosed in affected regions and its true incidence underestimated. Acknowledgement in the World Malaria Report of the regional importance of P. knowlesi will facilitate efforts to improve surveillance of this emerging parasite. Furthermore, increased recognition will likely lead to improved delivery of effective treatment for this potentially fatal infection, as has occurred in Malaysia where P. knowlesi case-fatality rates have fallen despite rising incidence. In a number of knowlesi-endemic countries, substantial progress has been made towards the elimination of P. vivax and P. falciparum. However, efforts to eliminate these human-only species should not preclude efforts to reduce human malaria from P. knowlesi. The regional importance of knowlesi malaria was recognized by the WHO with its recent Evidence Review Group meeting on knowlesi malaria to address strategies for prevention and mitigation.

    CONCLUSION: The WHO World Malaria Report has an appropriate focus on falciparum and vivax malaria, the major causes of global mortality and morbidity. However, the authors hope that in future years this important publication will also incorporate data on the progress and challenges in reducing knowlesi malaria in regions where transmission occurs.

    Matched MeSH terms: Malaria/prevention & control
  7. Tricarico S, McNeil HC, Head MG, Cleary DW, Clarke SC, MYCarriage
    Vaccine, 2017 04 25;35(18):2288-2290.
    PMID: 28347503 DOI: 10.1016/j.vaccine.2017.03.053
    Matched MeSH terms: Pneumonia, Pneumococcal/prevention & control*
  8. Chan C, Moy FM, Lim JNW, Dahlui M
    Am J Health Promot, 2018 03;32(3):806-811.
    PMID: 28279088 DOI: 10.1177/0890117117695888
    PURPOSE: To assess the awareness, facilitators, and barriers to policy implementation related to obesity prevention for primary school children.

    DESIGN: A cross-sectional study administered using an online questionnaire.

    SETTING: Conducted in 447 primary schools in a state in Malaysia.

    PARTICIPANTS: One school administrator from each school served as a participant.

    MEASURES: The questionnaires consisted of 32 items on awareness, policy implementation, and facilitators and barriers to policy implementation.

    ANALYSIS: Descriptive analysis was used to describe the awareness, facilitators, and barriers of policies implementation. Association between schools' characteristics and policy implementation was assessed using logistic regression.

    RESULTS: The majority (90%) of school administrators were aware of the policies. However, only 50% to 70% of schools had implemented the policies fully. Reported barriers were lack of equipment, insufficient training, and limited time to complete implementation. Facilitators of policy implementation were commitment from the schools, staff members, students, and canteen operators. Policy implementation was comparable in all school types and locality; except the policy on "Food and Drinks sold at the school canteens" was implemented by more rural schools compared to urban schools (odds ratio: 1.74, 95% confidence interval: 1.13-2.69).

    CONCLUSION: Majority of the school administrators were aware of the existing policies; however, the implementation was only satisfactory. The identified barriers to policy implementation were modifiable and thus, the stakeholders should consider restrategizing plans in overcoming them.

    Matched MeSH terms: Pediatric Obesity/prevention & control*
  9. Carrizosa Moog J, Kakooza-Mwesige A, Tan CT
    Seizure, 2017 Jan;44:108-112.
    PMID: 27986419 DOI: 10.1016/j.seizure.2016.11.032
    Epilepsy is considered by the World Health Organization a public health priority with more than 50 million human beings affected by the disease. More than 80% of persons with epilepsy live in low and middle income countries and most of them in tropical areas. Several emerging, re-emerging and neglected diseases are symptomatic etiologies that jointly contribute to the enormous global burden of epilepsy. Besides the clinical strengths to reduce diagnostic and treatment gaps, other strategies in social, economic, cultural, educational and health policies are needed to prevent and treat appropriately vulnerable and affected persons with epilepsy. From the public health point of view, several of those strategies could be more effective in reducing the incidence and burden of the disease than the clinical approach of diagnosis and treatment. Special attention has to be given to stigma reduction and promotion of human rights. Several aspects mentioned in this abstract slip away the scope of the article, but it is a remainder to approach epilepsy in an inter- and transdisciplinary manner, an integral and pertinent approach needed and requested in tropical counties. The article focuses only on emergent and re-emergent etiologies of epilepsy in the tropics like malaria, HIV, neurocysticercosis, viral encephalitis and traumatic brain injury.
    Matched MeSH terms: Epilepsy/prevention & control
  10. Shariffuddin II, Teoh WH, Tang E, Hashim N, Loh PS
    Anaesth Intensive Care, 2017 03;45(2):244-250.
    PMID: 28267947 DOI: 10.1177/0310057X1704500215
    Newer second generation supraglottic airway devices may perform differently in vivo due to material and design modifications. We compared performance characteristics of the Ambu® AuraGain™ and LMA Supreme™ Second Seal™ in 100 spontaneously breathing anaesthetised patients in this randomised controlled study. We studied oropharyngeal leak pressures (OLP) (primary outcome) and secondarily, ease of insertion, success rates, haemodynamic response, time to insertion, and complications of usage. We found no significant difference in OLP between the AuraGain versus the LMA Supreme, mean (standard deviation, SD) 24.1 (7.4) versus 23.6 (6.2) cmH2O, P=0.720. First-attempt placement rates of the AuraGain were comparable to the LMA Supreme, 43/50 (86%) versus 39/50 (78%), P=0.906, with an overall 98% insertion success rate for the AuraGain and 88% for the LMA Supreme after three attempts, P=0.112. However, the AuraGain was deemed subjectively harder to insert, with only 24/50 (48%) versus 37/50 (74%) of AuraGain insertions being scored 1 = easy (on a 5 point scale), P=0.013, and also took longer to insert, 33.4 (SD 10.9) versus 27.3 (SD 11.4) seconds, P=0.010. The AuraGain needed a smaller volume of air (16.4 [SD 6.8] versus 23.0 [SD 7.4] ml, P <0.001) to attain intracuff pressures of 60 cmH2O, facilitated more successful gastric tube insertion (100% versus 90.9%, P=0.046), and had significantly decreased sore throat incidence (10% versus 38%, P=0.020). One AuraGain and six LMA Supremes failed to be placed within the stipulated 120 seconds trial definition of 'success'; these patients had risk factors for failed supraglottic insertion. In conclusion, both devices had similar OLPs and performed satisfactorily. However, the AuraGain resulted in less postoperative sore throat despite being harder to and taking longer to, insert.
    Matched MeSH terms: Pharyngitis/prevention & control
  11. Nyam KL, Chang CY, Tan CS, Ng ST
    Int J Med Mushrooms, 2016;18(12):1093-1104.
    PMID: 28094747 DOI: 10.1615/IntJMedMushrooms.v18.i12.40
    The aim of this study was to determine the antiulcer activity of Lignosus rhinocerotis in rats. A total of 48 Sprague-Dawley rats were used in ethanol-induced, aspirin-induced, and water immersion-restraint stress-induced ulcer models. Rats were equally divided into 4 groups for each model and orally administered 5 mL/kg distilled water, 20 mg/kg omeprazole, as well as 250 and 500 mg/kg of L. rhinocerotis powder. L. rhinocerotis powder at both 250 and 500 mg/kg doses demonstrated significant (P < 0.05) protection against gastric ulceration in all the induced ulcer models. Histological studies revealed severe damage and hemorrhage of gastric mucosa in the negative control group for all ulcer-induced models. The study suggests that L. rhinocerotis powder possesses dose-dependent antiulcer activity in the gastric mucosa, as ascertained grossly and histologically, compared with the negative control groups.
    Matched MeSH terms: Stomach Ulcer/prevention & control*
  12. Yee PTI, Laa Poh C
    Virology, 2017 06;506:121-129.
    PMID: 28384566 DOI: 10.1016/j.virol.2017.03.017
    Enterovirus-A71 (EV-A71) is an etiological agent of the hand, foot and mouth disease (HFMD). EV-A71 infection produces high fever and ulcers in children. Some EV-A71 strains produce severe infections leading to pulmonary edema and death. Although the protective efficacy of the inactivated vaccine (IV) was ≥90% against mild HFMD, there was approximately 80% protection against severe HFMD. The monovalent EV-A71 IV elicits humoral immunity but lacks long-term immunogenicity. Spontaneous mutations of the EV-A71 genome could lead to antigenicity changes and the virus may not be neutralized by antibodies elicited by the IV. A better alternative would be the live attenuated vaccine (LAV) that elicits cellular and humoral immunity. The LAV induces excellent antigenicity and chances of reversion is reduced by presence of multiple mutations which could reduce pathogenicity. Besides CV-A16, outbreaks have been caused by CV-A6 and CV-A10, hence the development of bivalent and trivalent vaccines is required.
    Matched MeSH terms: Enterovirus Infections/prevention & control*
  13. Med J Malaya, 1959 Mar;13(3):248-60.
    PMID: 13666194
    Matched MeSH terms: Tetanus/prevention & control*
  14. Gilliland J
    S. Afr. Med. J., 1974 Jul 6;48(32):1392-4.
    PMID: 4450167
    Matched MeSH terms: Malaria/prevention & control*
  15. Liew RP
    Med J Malaysia, 1973 Dec;28(2):94-8.
    PMID: 4276224
    Matched MeSH terms: Vomiting/prevention & control
  16. Teoh CL, Woon TH, Sim SH
    Med J Malaysia, 1973 Dec;28(2):80-3.
    PMID: 4276264
    Matched MeSH terms: Suicide/prevention & control
  17. Chen ST
    PMID: 4209141
    Matched MeSH terms: Protein-Energy Malnutrition/prevention & control
  18. Chew CH, Hu PY
    Singapore Med J, 1974 Dec;15(4):241-5.
    PMID: 4549136
    Mass BCG Vaccination is an effective and an inexpensive method of tuberculosis control. In Singapore, a nation wide BCG Vaccination programme was implemented in 1957, and from 1957 to 1972, i.e. a 16 year period, over 1 million vaccinations had been performed: 680,098 for infants, 512,797 for school students, 49,417 for contacts of tuberculosis patients and 7,775 for other special groups. The coverage of newborn infants has been over 90% from 1967 to 1972. In 1972, it was estimated that 90% of primary school children and 75% of secondary school students have been covered with BCG vaccinations. Although no controlled studies have been done in Singapore, it is observed from our analysis that the BCG programme has contributed in no small measure to the decline in tuberculosis incidence and mortality rates. Thus for 1972, the tuberculosis incidence rates per 100,000 were 5 for the BCG vaccinated group and 37 for the non-vaccinated group of primary school students, and 34 and 127 for the corresponding groups of secondary school students. In 1956, the death rate per 100,000 of respiratory tuberculosis was 4 and that of non-respiratory tuberculosis was 23 for children aged 4 and below, and the corresponding rates were 0.5 and 6.7 for those aged 5 to 9, and 0.8 and 3.7 for the group aged 10 to 14. In 1971 there were no tuberculosis deaths in children under 10 years of age, and the death rates for the age group 10-14 were 0.3 per 100,000 for either form of 241 tuberculosis.
    Matched MeSH terms: Tuberculosis, Pulmonary/prevention & control*
  19. Joe LK, Hoa KE, Kong OC
    PMID: 5167566
    Matched MeSH terms: Schistosomiasis/prevention & control*
  20. Huehne WH
    J Trop Med Hyg, 1971 May;74(5):106-9.
    PMID: 5580454
    Matched MeSH terms: Malaria/prevention & control*
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