Displaying publications 21 - 40 of 2212 in total

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  1. Huang ZL, Wang DY, Zhang PC, Dong F, Yeoh KH
    Acta Otolaryngol, 2001 Oct;121(7):844-8.
    PMID: 11718250
    Acoustic rhinometry (AR) evaluates the geometry of the nasal cavity by measuring the minimum cross-sectional area (MCA) and nasal volume (V) by means of acoustic reflection. Understanding the normal and pathologic conditions of the internal nasal cavity using AR is important in the diagnosis of structural abnormalities in patients. The aim of this study was to investigate the normal range of AR parameters in healthy volunteers from three ethnic groups in Singapore: Chinese, Malay and Indian. We also attempted to evaluate the role of these measurements in the documentation of structural abnormalities in the nose. A total of 189 Singaporeans, aged > or = 18 years, were recruited from a nationwide survey study. They comprised 83 Chinese, 35 Malays and 71 Indians. Eighty-nine subjects had a rhinoscopically normal nose (Group 1), 77 had significant septal deviation (Group 2) and 23 had inferior turbinate hypertrophy (Group 3). AR was performed to measure the MCA at the anterior 1-5 cm from the nostril and the volume (V) between points at the nostril and 5 cm into the nose. A mean MCA (mMCA; equal to (L + R)/2) and a total volume (Vt; equal to L + R) were then calculated for each subject, where L and R refer to the measurements made for the left and right nostrils, respectively. The results showed that there was no statistically significant difference in mMCA (p = 0.80) and Vt (p = 0.60) among the three ethnic subgroups of Group 1. Statistically significant differences were found only between Groups 1 and 3 (p < 0.001 for both mMCA and Vt) and between Groups 2 and 3 (p = 0.001 for mMCA and p = 0.013 for Vt). Although there was no significant difference between Groups 1 and 2, significant differences in MCA (p = 0.001) and V (p = 0.040) were found between the narrower sides (smaller volume) and the wider sides in Group 2, indicating volume compensation between the nasal cavities. In conclusion, our study demonstrates that there is no significant difference in the normal range of AR measurements among Chinese, Malay and Indian ethnic groups. AR is able to determine the structural abnormality of the internal nasal cavity caused by septal deviation and inferior turbinate hypertrophy.
    Matched MeSH terms: China/ethnology
  2. Low PS, Saha N, Tay JS, Hong S
    Acta Paediatr, 1996 Dec;85(12):1476-82.
    PMID: 9001661
    In multiracial Singapore, the prevalence of coronary artery disease is highest in ethnic Indian and lowest in ethnic Chinese populations. Since susceptibility to coronary artery disease is closely associated with plasma lipid traits, we studied the cord blood lipid and apolipoprotein profiles of the three ethnic groups in Singapore to determine if ethnic differences in lipid profile are present at birth. The high-risk lipid traits of high LDL-cholesterol, triglycerides and apo B, low HDL-cholesterol and apo A-I were found to be highest in ethnic Indian and lowest in ethnic Chinese populations. This difference was concordant with the relative coronary mortality rates for their respective adult populations in Singapore.
    Matched MeSH terms: China/ethnology
  3. Ma L, Liu C, Cheah I, Yeo KT, Chambers GM, Kamar AA, et al.
    Acta Paediatr, 2019 01;108(1):70-75.
    PMID: 30080290 DOI: 10.1111/apa.14533
    AIM: The attitudes of neonatologists towards the active management of extremely premature infants in a developing country like China are uncertain.

    METHODS: A web-based survey was sent to neonatologists from 16 provinces representing 59.6% (824.2 million) of the total population of China on October 2015 and December 2017.

    RESULTS: A total of 117 and 219 responses were received in 2015 and 2017, respectively. Compared to 2015, respondents in 2017 were more likely to resuscitate infants <25 weeks of gestation (86% vs. 72%; p < 0.05), but few would resuscitate infants ≤23 weeks of gestation in either epoch (10% vs. 6%). In both epochs, parents were responsible for >50% of the costs of intensive care, but in 2017, significantly fewer clinicians would cease intensive care (75% vs. 88%; p < 0.05) and more would request for economic aid (40% vs. 20%; p < 0.05) if parents could not afford to pay. Resource availability (e.g. ventilators) was not an important factor in either initiation or continuation of intensive care (~60% in both epochs).

    CONCLUSION: Cost is an important factor in the initiation and continuation of neonatal intensive care in a developing country like China. Such factors need to be taken into consideration when interpreting outcome data from these regions.

    Matched MeSH terms: China
  4. Tan KL
    Acta Paediatr Scand, 1982 Jul;71(4):593-6.
    PMID: 7136674
    Matched MeSH terms: China/ethnology
  5. Kua EH, Tsoi WF
    Acta Psychiatr Scand, 1985 Mar;71(3):227-9.
    PMID: 3984765
    In a study of suicide in Singapore in 1980 there were 230 cases and the suicide rate for the general population was 9.5 per 100,000. The age-specific rates increased steeply after 50 years and there was a male preponderance especially in the age group 60 years and over. Comparing the three major ethnic groups in Singapore, the highest rate was seen in the Indians and Chinese, whereas the Malays had the lowest. Amongst the suicides there were 59 (25.7%) with mental illness, mainly schizophrenia, and they were of a younger age group, 20-39 years. The commonest method of suicide was jumping from high-rise flats.
    Matched MeSH terms: China/ethnology
  6. Yong HS, Eamsobhana P, Song SL, Prasartvit A, Lim PE
    Acta Trop, 2015 Aug;148:66-71.
    PMID: 25930187 DOI: 10.1016/j.actatropica.2015.04.020
    Angiostrongylus cantonensis is an important emerging zoonotic parasite causing human eosinophilic meningitis (or meningoencephalitis) in many parts of the world. To-date there is only a single study using mitochondrial cytochrome b (CYTB) gene to determine its genetic structure in eight geographical localities in Thailand. The present study examined the molecular phylogeography of this rat lungworm and its phylogenetic relationship with congeners using CYTB gene marker. A total of 15 CYTB haplotypes was found in 37 sequences from 14 geographical localities (covering north, west, east, central and south regions) in Thailand. These CYTB haplotypes were distinct from those of A. cantonensis for China and Hawaii. In Thailand, some CYTB haplotypes appeared to be confined to specific geographical localities. The partial CYTB DNA nucleotide sequences separated unequivocally the A. cantonensis isolates of Thailand, China and Hawaii as well as the congeners Angiostrongylus malaysiensis, A. costaricensis and Angiostrongylus vasorum, with A. malaysiensis grouped with A. cantonensis and A. costaricensis grouped with A. vasorum. Likewise the congeners of Metastrongylus and Onchocerca genera could also be clearly differentiated. The present study added two new definitive hosts (Bandicota savilei and Rattus losea) and three new localities (Mae Hong Son in the north, Tak in the west, and Phang Nga in the south) for A. malaysiensis in Thailand, indicating its wide occurrence in the country. Three CYTB haplotypes were found in the Thailand samples of A. malaysiensis. In addition to differentiation of congeners, CYTB gene marker could be used for determining the genetic diversity of a given population/taxon.
    Matched MeSH terms: China
  7. Hotez PJ
    Acta Trop, 2020 Feb;202:105182.
    PMID: 31550453 DOI: 10.1016/j.actatropica.2019.105182
    While the East Asia Pacific (EAP) region has experienced tremendous economic growth and development, the resulting public health gains from reductions in its neglected tropical diseases (NTDs) have been less than expected due to opposing forces of urbanization, political instability, food insecurity, and climate change, together with co-morbidities with non-communicable diseases, including diabetes and hypertension. To be sure there's been progress towards the elimination of lymphatic filariasis and trachoma through mass drug administration, and there are opportunities to extend MDA to yaws and scabies, but for most of the other NTDs we'll require new biotechnologies. So far, EAP's major technology hubs in China, Japan, Malaysia, Singapore, South Korea, and Taiwan have mostly failed to shift their attention towards new innovations for the NTDs, including new drugs, diagnostics, and vaccines, and vector control. Unless this situation changes the EAP could be facing a new grim reality of unhealthy megacities beset by emerging arbovirus infections, widespread antimicrobial resistance, and urban helminth infections.
    Matched MeSH terms: China
  8. Tan KY, Ng TS, Bourges A, Ismail AK, Maharani T, Khomvilai S, et al.
    Acta Trop, 2020 Mar;203:105311.
    PMID: 31862461 DOI: 10.1016/j.actatropica.2019.105311
    The wide distribution of king cobra (Ophiophagus hannah), a medically important venomous snake in Asia could be associated with geographical variation in the toxicity and antigenicity of the venom. This study investigated the lethality of king cobra venoms (KCV) from four geographical locales (Malaysia, Thailand, Indonesia, China), and the immunological binding as well as in vivo neutralization activities of three antivenom products (Thai Ophiophagus hannah monovalent antivenom, OHMAV; Indonesian Serum Anti Bisa Ular, SABU; Chinese Naja atra monovalent antivenom, NAMAV) toward the venoms. The Indonesian and Chinese KCV were more lethal (median lethal dose, LD50 ~0.5 μg/g) than those from Malaysia and Thailand (LD50 ~1.0 μg/g). The antivenoms, composed of F(ab)'2, were variably immunoreactive toward the KCV from all locales, with OHMAV exhibited the highest immunological binding activity. In mice, OHMAV neutralized the neurotoxic lethality of Thai KCV most effectively (normalized potency = 118 mg venom neutralized per g antivenom) followed by Malaysian, Indonesian and Chinese KCV. In comparison, the hetero-specific SABU was remarkably less potent by at least 6 to10 folds, whereas NAMAV appeared to be non-effective. The finding supports that a specific king cobra antivenom is needed for the effective treatment of king cobra envenomation in each region.
    Matched MeSH terms: China
  9. Tao Y, Shen C, Zhang Y, Zhao X, Leow CY, Wu J, et al.
    Acta Trop, 2023 Feb;238:106783.
    PMID: 36455636 DOI: 10.1016/j.actatropica.2022.106783
    BACKGROUND: The scale-up of zoonoses prevention control and eradication in China, coupled with numerous academic articles in Chinese journals has led to the development of new tools and strategies aimed at further consolidating parasite control goals. As a result, there is a growing need for an up-to-date understanding of the research progress and prevention and control experience of parasitic diseases in China.

    METHODS: To understand the research status of schistosomiasis and toxoplasmosis in China, academic articles published in Chinese journals from 1980 to 2021 were retrieved from China National Knowledge Infrastructure (CNKI) and Wanfang databases. The Bibliographic Items Co-occurrence Matrix Builder (BICOMB) software was used to extract and analyze the keyword frequencies. The 'K/A ratio' as the frequency of a keyword that occurred in all the articles within a certain time stage was calculated to compare the popularity of the same keyword in different time stages. Keyword co-occurrence network maps were constructed by VOSviewer software.

    RESULTS: A total of 18,508 articles in the research field of Schistosoma and 13,289 articles in the field of Toxoplasma gondii were included. Results in both fields showed some similarities: the annual number of articles presented an increasing trend before entering the 21st century and decreased rapidly in recent years. Two opposite changing trends of keyword frequency could be observed in the K/A ratio analysis: the K/A ratios of 'Surveillance' and 'Infection' continuously increased over time, while those of 'Schistosoma mansoni' and 'Mesenteric lymph nodes' decreased. The diversification of keyword co-occurrence networks could be observed in the co-occurrence network maps.

    CONCLUSIONS: This bibliometric analysis reveals trends in research themes in the fields of Schistosoma and Toxoplasma gondii from 1980 to 2021, presenting China's experience such as a high degree of government involvement and multidisciplinary participation in schistosomiasis and toxoplasmosis control and elimination.

    Matched MeSH terms: China
  10. Gravely S, Driezen P, Ouimet J, Quah ACK, Cummings KM, Thompson ME, et al.
    Addiction, 2019 06;114(6):1060-1073.
    PMID: 30681215 DOI: 10.1111/add.14558
    AIMS: This paper presents updated prevalence estimates of awareness, ever-use, and current use of nicotine vaping products (NVPs) from 14 International Tobacco Control Policy Evaluation Project (ITC Project) countries that have varying regulations governing NVP sales and marketing.

    DESIGN, SETTING, PARTICIPANTS AND MEASUREMENTS: A cross-sectional analysis of adult (≥ 18 years) current smokers and ex-smokers from 14 countries participating in the ITC Project. Data from the most recent survey questionnaire for each country were included, which spanned the period 2013-17. Countries were categorized into four groups based on regulations governing NVP sales and marketing (allowable or not), and level of enforcement (strict or weak where NVPs are not permitted to be sold): (1) most restrictive policies (MRPs), not legal to be sold or marketed with strict enforcement: Australia, Brazil, Uruguay; (2) restrictive policies (RPs), not approved for sale or marketing with weak enforcement: Canada, Malaysia, Mexico, New Zealand; (3) less restrictive policies (LRPs), legal to be sold and marketed with regulations: England, the Netherlands, Republic of Korea, United States; and (4) no regulatory policies (NRPs), Bangladesh, China, Zambia. Countries were also grouped by World Bank Income Classifications. Country-specific weighted logistic regression models estimated adjusted NVP prevalence estimates for: awareness, ever/current use, and frequency of use (daily versus non-daily).

    FINDINGS: NVP awareness and use were lowest in NRP countries. Generally, ever- and current use of NVPs were lower in MRP countries (ever-use = 7.1-48.9%; current use = 0.3-3.5%) relative to LRP countries (ever-use = 38.9-66.6%; current use = 5.5-17.2%) and RP countries (ever-use = 10.0-62.4%; current use = 1.4-15.5%). NVP use was highest among high-income countries, followed by upper-middle-income countries, and then by lower-middle-income countries.

    CONCLUSIONS: With a few exceptions, awareness and use of nicotine vaping products varied by the strength of national regulations governing nicotine vaping product sales/marketing, and by country income. In countries with no regulatory policies, use rates were very low, suggesting that there was little availability, marketing and/or interest in nicotine vaping products in these countries where smoking populations are predominantly poorer. The higher awareness and use of nicotine vaping products in high income countries with moderately (e.g. Canada, New Zealand) and less (e.g. England, United States) restrictive policies, is likely due to the greater availability and affordability of nicotine vaping products.

    Matched MeSH terms: China/epidemiology
  11. Raman S, Kishen D, Hamidah K, Ang ES
    Adv Contracept, 1992 Jun;8(2):129-40.
    PMID: 1519495 DOI: 10.1007/BF01849750
    There have been changes in the national policy regarding population growth in Malaysia from 1982. This report studies the changes in contraceptive practice among the three racial groups in this country, i.e. Malays, Chinese and Indians, over a 5-year period with an interval of 10 years. This is a retrospective study based on the attendance at the same family planning clinic in an urban setting. The striking change noted is the change in the racial composition of contraceptive usage in the two study periods with a shift from the Chinese being predominant in 1975-1979 to Malays in 1985-1989. There was no change among the numbers of Indians using contraception. The results also reveal a significant trend of change for users of the pill and those undergoing sterilization. There were no significant changes in IUD, condom and injectable usage. The study demonstrates how national policies, level of education and rural urban migration can significantly alter contraceptive practice.
    Matched MeSH terms: China/ethnology
  12. McCarthy T, Ramachandran L, Ratnam SS
    Adv Contracept, 1987 Dec;3(4):323-6.
    PMID: 3445800
    Eight-hundred patients recruited between September 1981 and December 1984 were admitted to a randomized prospective trial of the Nova T (NTCu200Ag) and Multiload 250 (MLCu250) IUDs. At the cut off date, 31 December 1986, 206 patients had completed the 4-year trial period, 379 had terminated before completion and 215 were in the fourth year of use. For the third and fourth years, the MLCu250 had a significantly lower accidental pregnancy rate (p less than 0.05).
    Matched MeSH terms: China/ethnology
  13. Chaing HS, Merino-chavez G, Yang LL, Wang FN, Hafez ES
    Adv Contracept Deliv Syst, 1994;10(3-4):355-63.
    PMID: 12287843
    Matched MeSH terms: China
  14. Yokogawa M
    Adv Parasitol, 1969;7:375-87.
    PMID: 4935271
    Matched MeSH terms: China
  15. Chen MY, Lee CN
    Adv Pharmacol, 2000;49:417-36.
    PMID: 11013770
    Matched MeSH terms: China/epidemiology
  16. Chazova IE, Dongre N, Vigdorchik AV
    Adv Ther, 2011 Feb;28(2):134-49.
    PMID: 21240661 DOI: 10.1007/s12325-010-0099-1
    The aim of our study was to evaluate the safety and effectiveness of the free combination of amlodipine/valsartan in patients with arterial hypertension in a real-life setting.
    Matched MeSH terms: China
  17. Jeon YH, Chien WT, Ha JY, Ibrahim R, Kirley B, Tan LL, et al.
    Aging Ment Health, 2018 10;22(10):1279-1286.
    PMID: 28714742 DOI: 10.1080/13607863.2017.1351521
    OBJECTIVES: An Asia-Pacific regional collaboration group conducted its first multi-country research project to determine whether or not European quality indicators (QIs) for psychosocial care in dementia could be implemented as a valid tool in residential aged care across seven Asia-Pacific sites (Australia, Hong Kong Special Administrative Region, Mainland China, Malaysia, Singapore, South Korea, and Thailand).

    METHOD: Following the European QI protocol, auditing and data extraction of medical records of consenting residents with dementia were conducted by trained auditors with relevant health care backgrounds. Detailed field notes by the auditors were also obtained to describe the characteristics of the participating care facilities, as well as key issues and challenges encountered, for each of the 12 QIs.

    RESULTS: Sixteen residential care facilities in the seven Asia-Pacific sites participated in this study. Data from 275 residents' records revealed each of the 12 Qis' endorsement varied widely within and between the study sites (0%-100%). Quality of the medical records, family and cultural differences, definitions and scoring of certain indicators, and time-consuming nature of the QI administration were main concerns for implementation.

    CONCLUSION: Several items in the European QIs in the current format were deemed problematic when used to measure the quality of psychosocial care in the residential aged care settings in participating Asia-Pacific countries. We propose refinements of the European QIs for the Asian-Pacific context, taking into account multiple factors identified in this study. Our findings provide crucial insights for future research and implementation of psychosocial dementia care QIs in this region.

    Matched MeSH terms: China
  18. Chou L, Dai J, Qian X, Karimipour A, Zheng X
    Agric Water Manag, 2021 Feb 28;245:106583.
    PMID: 33100487 DOI: 10.1016/j.agwat.2020.106583
    With the development of Chinese economy, more and more attention has been paid to environmental protection, the implementation of water price policy affects economic and environmental changes in China. This paper analyzes the impact of water price policy on agricultural land use and the scale of water pollution discharge in 240 cities in China between 2001 and 2017, by including data from China Urban Statistical Yearbook and China Land & Resources Almanac. The theoretical analysis of this study indicates that the optimal scale of pollution depends on the local initial endowment, economic investment capital and the marginal cost of environmental pollution caused by government's economic activities. Furtherly, the economic activities have a worsening impact on environmental pollution, but when the government implements environmental protection and water price policy measures in response to environmental pollution caused by economic activities, it has a significant impact on the decline in the scale of pollution. The government has promoted the pollution suppression model in the formulation of water prices, which has internalized the external cost of pollution in economic activities and can effectively reduce the scale of agricultural water pollution discharge.
    Matched MeSH terms: China
  19. Goh KL, Quek KF, Yeo GT, Hilmi IN, Lee CK, Hasnida N, et al.
    Aliment Pharmacol Ther, 2005 Nov 1;22(9):859-64.
    PMID: 16225496
    Colorectal cancer is one of the most common forms of gastrointestinal cancer in the world today. In the Asia-Pacific area, it is the fastest emerging gastrointestinal cancer.
    Matched MeSH terms: China/ethnology
  20. Ampil ER, Fook-Chong S, Sodagar SN, Chen CP, Auchus AP
    Alzheimer Dis Assoc Disord, 2005 Oct-Dec;19(4):184-5.
    PMID: 16327344
    The diversity of Singapore's population affords a unique opportunity to study ethnic variability in the dementias. We sought to explore the effects of ethnicity on the frequency of Alzheimer disease and vascular dementia in a large Singaporean sample. A total of 357 patients were studied: 190 with vascular dementia and 167 with Alzheimer disease. Vascular dementia was more common among Chinese and Malays, whereas Alzheimer disease was more common in Indians and Eurasians. Factors that may contribute to the observed ethnic variability in dementia etiologies include differential frequency of the ApoE-e4 allele, frequency of vascular risk factors, lifestyle choices, and cultural attitudes toward health care utilization.
    Matched MeSH terms: China/ethnology
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