Displaying publications 1461 - 1480 of 2458 in total

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  1. Hypertension and stroke in Asia: prevalence, control and strategies in developing countries for prevention
    Singh RB, Suh IL, Singh VP, Chaithiraphan S, Laothavorn P, Sy RG, et al.
    J Hum Hypertens, 2000 11 30;14(10-11):749-63.
    PMID: 11095165
    Reliable statistics related to the prevalence, incidence and mortality of hypertension and stroke are not available from Asia. The data may be in national or institutional reports or journals published in the local language only. The mortality rate for stroke has been on the decline since the mid 1960s in the developed countries of Asia, such as Australia, New Zealand, and Japan, with some improvement in Singapore, Taiwan and Hong Kong, some areas of China and Malaysia about 15 years later. In India, China, Philippines, Thailand, Sri Lanka, Iran, Pakistan, Nepal, there has been a rapid increase in stroke mortality and prevalence of hypertension. The prevalence of hypertension according to new criteria (>140/90 mm Hg) varies between 15-35% in urban adult populations of Asia. In rural populations, the prevalence is two to three times lower than in urban subjects. Hypertension and stroke occur at a relatively younger age in Asians and the risk of hypertension increases at lower levels of body mass index of 23-25 kg/m2. Overweight, sedentary behaviour, alcohol, higher social class, salt intake, diabetes mellitus and smoking are risk factors for hypertension in most of the countries of Asia. In Australia, New Zealand and Japan, lower social class is a risk factor for hypertension and stroke. Population-based long-term follow-up studies are urgently needed to demonstrate the association of risk factors with hypertension in Asia. However prevention programmes should be started based on cross-sectional surveys and case studies without waiting for the cohort studies.
    Matched MeSH terms: Asia/epidemiology
  2. Using standardized patients to evaluate undergraduate medical students' proficiency in speaking English
    Chur-Hansen A, Vernon-Roberts J
    Acad Med, 1999 Jul;74(7):829-34.
    PMID: 10429593
    PURPOSE: To explore the use of standardized patients for evaluating medical student's proficiency in speaking English.

    METHOD: In 1995, using a language rating scale constructed by the authors, six standardized patients evaluated the English-language proficiencies of 127 second-year medical student undergraduates enrolled at the University of Adelaide, Australia, many of whom were from a non-English speaking background.

    RESULTS: An earlier standardized test (Screening Test for Adolescent Language) had identified approximately one third of the students as potentially experiencing difficulties in using English in their training. Students so identified were rated lower than were their peers by the standardized patients.

    CONCLUSION: The study proved useful both in identifying aspects of speech that can be reasonably rated by standardized patients and also in identifying students who might benefit from language interventions. Replication studies with the new instrument are required to further establish its reliability, validity, and generalizability across different student cohorts.

    Matched MeSH terms: Asia/ethnology
  3. A review of the status of foot and mouth disease in South-East Asia and approaches to control and eradication
    Gleeson LJ
    Rev. - Off. Int. Epizoot., 2002 Dec;21(3):465-75.
    PMID: 12530354
    The author presents reports of foot and mouth disease (FMD) submitted between 1996 and 2001 to the Office International des Epizooties (OIE: World organisation for animal health) Sub-Commission for FMD in South-East Asia. Of the ten countries in South-East Asia, FMD is endemic in seven (Cambodia, Laos, Malaysia, Myanmar, the Philippines, Thailand and Vietnam) and three are free of the disease (Brunei, Indonesia and Singapore). Part of the Philippines is also recognised internationally as being free of FMD. From 1996 to 2001, serotype O viruses caused outbreaks in all seven of the endemically infected countries. On the mainland, three different type O lineages have been recorded, namely: the South-East Asian (SEA) topotype, the pig-adapted or Cathay topotype and the pan-Asian topotype. Prior to 1999, one group of SEA topotype viruses occurred in the eastern part of the region and another group in the western part. However, in 1999, the pan-Asian lineage was introduced to the region and has become widespread. The Cathay topotype was reported from Vietnam in 1997 and is the only FMD virus currently endemic in the Philippines. Type Asia 1 has never been reported from the Philippines but was reported from all countries on the mainland except Vietnam between 1996 and 2001. Type A virus has not been reported from east of the Mekong River in the past six years and seems to be mainly confined to Thailand with occasional spillover into Malaysia. The distribution and movement of FMD viruses in the region is a reflection of the trade-driven movement of livestock. There is great disparity across the region in the strength and resources of the animal health services and this has a direct impact on FMD control. Regulatory environments are not well developed and enforcement of regulations can be ineffectual. The management of animal movement is quite variable across the region and much market-driven transboundary movement of livestock is unregulated. Formal quarantine approaches are generally not supported by traders or are not available. Vaccination is not used widely as a control tool because of the expense. However, it is applied by the Veterinary Services in Malaysia to control incursions of the disease and there is a mass vaccination programme for large ruminants in Thailand where the Government produces and distributes vaccine. Vaccination is also used by the commercial pig sector, particularly in the Philippines and Thailand.
    Matched MeSH terms: Asia, Southeastern/epidemiology
  4. Comparative analysis of NS3 sequences of temporally separated dengue 3 virus strains isolated from southeast Asia
    Chow VT, Seah CL, Chan YC
    Intervirology, 1994;37(5):252-8.
    PMID: 7698880
    By a combination of PCR and direct-cycle sequencing using consensus primers, we analyzed approximately 400-bp fragments within the NS3 genes of twenty-one dengue virus type 3 strains isolated from five neighboring Southeast Asian countries at different time intervals from 1956 to 1992. The majority of base disparities were silent mutations, with few predicted amino acid substitutions, thus emphasizing the strict conservation of the NS3 gene. Phylogenetic trees constructed on the basis of these nucleotide differences revealed distinct but related clusters of strains from the Philippines, Indonesia, and strains from Singapore and Malaysia of the 1970s and early 1980s, while the Thai cluster was relatively more distant. This genetic relationship was compatible with that proposed by other workers who have studied other dengue 3 virus genes such as E, M and prM. However, we observed that the more recent, epidemic-associated dengue 3 strains from Singapore and Malaysia of the late 1980s and early 1990s were more closely related to the Thai cluster, implying their evolution from the latter, and emphasizing the importance of viral spread via increasing travel within the Southeast Asian area and elsewhere. Nucleotide sequence analysis of the NS3 genes of dengue viruses can serve to advance the understanding of the epidemiology and evolution of these viruses.
    Matched MeSH terms: Asia, Southeastern/epidemiology
  5. Historic day for Malaysian consumers
    Kaur SR
    Health Millions, 1993 Apr;1(2):7-9.
    PMID: 12286471
    Matched MeSH terms: Asia; Asia, Southeastern
  6. People living with HIV / AIDS talk about their families
    World AIDS Day Newsl, 1994;?(2):3.
    PMID: 12287964
    PIP: Five positive and negative experiences of families dealing with AIDS are recounted. Imrat in Malaysia is an HIV-infected son who was not rejected by his family. Prudence of Botswana is an infected widow with five children who had a less positive experience with her in-laws, while Eric of Sweden considers his friends to constitute his family. His relationships with friends have only strengthened since his HIV-positive status became known. Mary of Zimbabwe, however, was infected with HIV by her husband. She was formerly angry at him for having brought home the virus, but they have since stop quarreling and are focusing upon building a stronger relationship. Finally, the brief story of Juan in Colombia is told. Thirty-two years old, married, and with a 17-month old daughter, Juan did not tell his wife that he was actively bisexual. Once infected with HIV, Juan's wife threw him out, more because he had sex with men than because of his HIV serostatus.
    Matched MeSH terms: Asia; Asia, Southeastern
  7. On mobility and fertility transitions in east and southeast Asia
    Skeldon R
    Asian Pac Migr J, 1992;1(2):220-49.
    PMID: 12343909
    The relationship between fertility and mobility is examined with reference to Zelinsky's [1971] mobility transition hypothesis. Five Asian countries (Japan, South Korea, Thailand, Malaysia, China) at different stages of development and mobility transition are compared with respect to shifting sectoral patterns of migration and changing levels of fertility. National trends suggest that the development sequence proposed by Zelinsky on the basis of the European experience does not generally apply to Asia. In four out of five cases examined, fertility declined before substantial urbanization took place. Zelinsky's sequence of mobility change should be modified to fit the experience of developing countries, but the importance of the interrelations hip between fertility decline and mobility change remains
    Matched MeSH terms: Asia; Asia, Southeastern
  8. Changes in Thai sexual behavior lower HIV spread
    AIDS Wkly Plus, 1997 Jun 2.
    PMID: 12347937
    Matched MeSH terms: Asia; Asia, Southeastern
  9. International labor migration and the family: some observations from Indonesia
    Hugo G
    Asian Pac Migr J, 1995;4(2-3):273-301.
    PMID: 12320103
    This article addresses two dimensions of the complex interrelationship between the family and international labor migration in Indonesia: the role of the family in influencing labor movements out of Indonesia; and the consequences of this movement on family well-being, structure, and functioning. Research on this topic in Indonesia is highly limited due mainly to the recency of large scale international labor migration, inadequate data collection systems, a high incidence of undocumented migration, and failure of available research to be sensitive to family related issues. Against a rapidly changing economic and social situation, two major overlapping systems of migration have developed. The official system is focused strongly on the Middle East (although other Asian destinations are increasing in significance) and is dominated by female migrants. The undocumented system is much larger in volume, is focused upon Malaysia, involves more males than females, and is becoming permanent in some cases. The role, status, and experiences of women migrants in relation to their families (decision making, networks, remittances) are discussed with recommendations for other areas needing further research attention.
    Matched MeSH terms: Asia; Asia, Southeastern
  10. Gender, population and environment in the context of deforestation: a Malaysian case study
    Heyzer N
    IDS Bull, 1995 Jan;26(1):40-6.
    PMID: 12289812
    Matched MeSH terms: Asia; Asia, Southeastern
  11. Drug injecting and HIV infection among the population of drug abusers in Asia
    Poshyachinda V
    Bull Narc, 1993;45(1):77-90.
    PMID: 8305908
    Opium has been produced and consumed since the nineteenth century in the areas of Asia currently referred to as the Golden Crescent and the Golden Triangle. In the 1970s and 1980s, most countries from Afghanistan to Japan experienced a heroin epidemic of varying degrees of severity. Opium and heroin abuse appeared to be more severe in countries and areas where those drugs were produced, an exception being Hong Kong, which has had a large population of heroin abusers for more than two decades. Drug injecting was far more common in countries of the Golden Triangle than in those of the Golden Crescent. In Myanmar and Thailand, for example, up to 90 per cent of chronic heroin abusers practised intravenous injection, which appeared to spread to heroin abusers in nearby territories such as the State of Manipur in India. Yunnan province in China, as well as Malaysia and Viet Nam. Amphetamine abuse was more frequent in Japan and the Republic of Korea for a number of years, while illicit production and consumption in the Philippines have recently shown significant increases. The injection of amphetamines was common only in the Republic of Korea. The prevalence of injecting among institutionalized methamphetamine abusers was reported at about 90 per cent. Most countries in Asia first reported cases of infection with the human immunodeficiency virus (HIV) in the mid-1980s. An extremely rapid spead of the epidemic and high prevalence, at rates of from 30 to 90 per cent, of HIV infection among the sample of intravenous heroin abusers were observed in a few countries with a high prevalence of intravenous injecting, such as India (in the State of Manipur), Myanmar and Thailand. The rest had either few reported cases or none at all, even though needle-sharing was found to be common. Great caution should be exercised in interpreting prevalence because of vast differences in methods of assessment. Given the vulnerability of intravenous drug abusers to rapid transmission of HIV infection, the prevention of drug injecting is of paramount importance in arresting the spread of the epidemic. Efforts to contain drug abuse, though difficult, are a principal means of achieving that end.
    Matched MeSH terms: Asia/epidemiology
  12. Maternal mortality in Malaysia 1991-1992: the paradox of increased rates
    Ravindran J, Mathews A
    J Obstet Gynaecol (Lahore), 1996 Mar;16(2):86-8.
    PMID: 12292342
    "This paper aims to show that the establishment of a better data collection and reporting system in Malaysia since 1991 has led to an apparent increase in the maternal mortality ratio.... Because of improved surveillance, the maternal mortality ratio may continue to appear to rise for a few years but should decline after that reflecting the improvement in the health status and service delivery in Malaysia."
    Matched MeSH terms: Asia; Asia, Southeastern
  13. Migrant workers spreading HIV in Southeast Asia
    AIDS Wkly Plus, 1996 Oct 21.
    PMID: 12320478
    Matched MeSH terms: Asia; Asia, Southeastern
  14. Geographical genetic structure within the human lung fluke, Paragonimus westermani, detected from DNA sequences
    Blair D, Agatsuma T, Watanobe T, Okamoto M, Ito A
    Parasitology, 1997 Oct;115 ( Pt 4):411-7.
    PMID: 9364568
    Nucleotide sequences were obtained for the second internal transcribed spacer of the ribosomal gene repeat and for part of the mitochondrial-cytochrome c oxidase subunit I gene from geographical isolates of Paragonimus westermani from Japan, China, Korea, Taiwan, the Philippines, peninsular Malaysia and Thailand. Sequences were obtained from several other species of Paragonimus for comparative purposes. Two groups were recognized within P. westermani: an NE group (China, Japan, Korea, Taiwan) which was relatively uniform and included both diploid and triploid forms, and a southern group (Malaysia, Thailand, Philippines), members of which were genetically distant from one another. According to both ITS2 and COI data, genetic distances among P. westermani isolates equalled or exceeded those between some distinct species of Paragonimus. The ITS2 sequences were conserved relative to COI sequences. Substitutions among the latter may be approaching saturation within the genus Paragonimus.
    Matched MeSH terms: Asia, Southeastern/epidemiology
  15. Fulltext Ethnicity and infant mortality in Malaysia
    Dixon G
    Asia Pac Popul J, 1993 Jun;8(2):23-54.
    PMID: 12287522
    PIP: Malaysian infant mortality differentials are a worthwhile subject for study, because socioeconomic development has very clearly had a differential impact by ethnic group. The Chinese rates of infant mortality are significantly lower than the Malay or Indian rates. Instead of examining the obvious access to care issues, this study considered factors related to the culture of infant care. Practices include the Chinese confinement of the mother in the first month after childbirth ("pe'i yue") and Pillsbury's 12 normative rules for Malaysian Chinese care. Malay practices vary widely by region and history. Indian mothers are restricted by diet. Data-recording flaws do not permit analysis of Sarawak or Sabah. The general assumption that Western medicine favors better health for mothers and infants is substantiated among peninsular communities, however, there are also negative impacts which affect infant mortality. The complex interaction of factors impacting on infant mortality reported in seven previous studies is discussed. A review of these studies reveals that immediate causes are infections, injuries, and dehydration. Indirect causes are birth weight or social and behavioral factors such as household income or maternal education. Indirect factors, which are amenable to planned change and influence the biological proximate determinants of infant mortality, are identified as birth weight, maternal age at birth, short pregnancy intervals or prior reproductive loss, sex of the child, birth order, duration of breast feeding and conditions of supplementation, types of household water and sanitation, year of child's birth, maternal education, household income and composition, institution of birth, ethnicity, and rural residence. Nine factors are identified empirically as not significant: maternal hours of work in the child's first year, maternal occupation, distance from home to workplace, presence of other children or servants, incidence of epidemics in the child's first year of life, community types of sanitation, prices and availability of infant foods, and access to various types of medical care. Future empirical study should consider factors such as class differences, place of residence, or extent of illiteracy as underlying or related to ethnicity. Policy-makers should be aware that future decline in infant mortality rates may depend on the blending of traditional with modern practices.
    Matched MeSH terms: Asia; Asia, Southeastern
  16. Sex tourism in Thailand
    Van Kerkwijk C
    AIDS Soc, 1992 Oct-Nov;4(1):6-7.
    PMID: 12286018
    Matched MeSH terms: Asia; Asia, Southeastern
  17. On tests for sex preferences
    Leung SF
    J Popul Econ, 1988 Oct;1(2):95-114.
    PMID: 12282511
    "This paper presents a critical evaluation of three widely used tests for sex preferences: sex ratio, parity progression ratio and ordinary least squares [OLS] regression of birth interval. We show that under some appropriate conditions, the sex ratio is a valid test for sex preferences. The methods of parity progression ratio and OLS regression of birth interval fail to deal with right censoring and time varying covariates, which reduce the power of the tests. We suggest the use of hazard estimation to test for sex preferences. We demonstrate the differences among the tests by analyzing the retrospective fertility histories of the Chinese and the Malays in Malaysia. We find that unlike the two conventional methods, the hazard estimation gives clear and strong evidence of sex preferences among the Chinese in Malaysia."
    Matched MeSH terms: Asia; Asia, Southeastern
  18. Mortality rates decline in Malaysia
    Popul Headl, 1991 Nov;?(200):2.
    PMID: 12284509
    PIP:
    Experiencing remarkable decreases in mortality rates over the past 3 decades, Malaysia currently has one of the lowest mortality rates among developing countries, a rate that compares favorably with those of developed countries. Between 1957 and 1989, the crude death rate dropped from 12.4/1000 population to 4.6. Over the same period, Malaysia recorded even greater decreases in the infant mortality rate, from 75.5/1000 births to 15.2. The Maternal mortality rate also declined from 1.48 in 1970 to 0.24 in 1988. The data indicates that mortality rates vary from state to state, and that rural areas have a higher mortality than urban areas. According to a study by the National Population and Family Development Board, the use of maternal and child health services has played an important role in reducing neonatal, perinatal, infant, child, and maternal mortality rates. Nearly all women in Malaysia receive antenatal services. While the country has achieved great gains on mortality rates, programs focusing on specific age and socioeconomic groups could lead to even greater reductions. The Minister for National Unity and Social Development, Dato Napsiah Omar, has called for the development of programs designed to improve the population's quality of life.
    Matched MeSH terms: Asia; Asia, Southeastern
  19. Labor migration in Asia
    Martin PL
    Int Migr Rev, 1991;25(1):176-93.
    PMID: 12316776
    "A recent conference sponsored by the United Nations Center for Regional Development (UNCRD) in Nagoya, Japan examined the growing importance of labor migration for four major Asian labor importers (Japan, Hong Kong, Malaysia, and Singapore) and five major labor exporters (Bangladesh, Korea, Pakistan, Philippines, and Thailand).... The conference concluded that international labor migration would increase within Asia because the tight labor markets and rising wages which have stimulated Japanese investment in other Asian nations, for example, have not been sufficient to eliminate migration push and pull forces...."
    Matched MeSH terms: Asia; Asia, Southeastern
  20. The relationship between migration and development in the ESCAP region
    Skeldon R
    Popul Res Leads, 1991.
    PMID: 12317488
    Matched MeSH terms: Asia; Asia, Southeastern
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