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Bariatric surgery: Asia-Pacific perspective.

BACKGROUND: There is a world-wide epidemic of overweight, obesity and morbid obesity. Bariatric surgery today, as the only effective therapy for morbid obesity, is expanding exponentially to meet the global epidemic of morbid obesity. Bariatric surgeons in the Asia-Pacific region had founded the Asia-Pacific Bariatric Surgery Group (APBSG) at Seoul, Korea on October 6, 2004. METHODS: E-mail requests for information were sent to the national bariatric surgery leaders. These requests were followed, if necessary, by second e-mail requests and communications seeking clarification. The summary data was also discussed at the 1st Asia-Pacific Bariatric Consensus Meeting held in Taipei, February 27, 2005. RESULTS: 11 countries or areas in Asia had started bariatric surgery and responded to the general questions. In 2004, 636 bariatric operations were performed by 61 bariatric surgeons. The earliest data for starting bariatric surgery was in 1974 in Taiwan. Following the development of gastric partition, Taiwan performed the first case in 1981, Japan in 1982 and Singapore in 1987. In 2004, 11 countries have started bariatric surgery. The APBSG was founded in 2004. In 2004, 12.1% of operations were open and 87.9% laparoscopic. The 6 most popular operations were: laparoscopic adjustable banding 42.3%; laparoscopic gastric bypass 34.2%; open vertical banded gastroplasty 7.5%; laparoscopic vertical banded gastroplasty 6.3%; laparoscopic sleeve gastrectomy 6.3%; open gastric bypass 4.2%. Pooling open and laparoscopic procedures, relative percentages were gastric banding 42.3%; gastric bypass 38.4%; vertical banded gastroplasty 13.8%. The APBSG consensus meeting recommended bariatric surgery in Asian patients with BMI >37 or >32 with diabetes or two other obesity-related co-morbidities. CONCLUSIONS: Bariatric surgery is expanding rapidly in Asia to meet rapidly increasing obesity. The modification of the indications for bariatric surgery in the Asian is proposed.

Asia, Southeastern↗

Transmission history of major China-prevalent Mycobacterium tuberculosis sub-lineages in East Asia.

Mycobacterium tuberculosis complex (MTBC) is distributed globally and has posed a severe threat to human health throughout history. In this study, we analyzed whole-genome data from the four major MTBC sub-lineages prevalent in China (L2.2, L4.2, L4.4, and L4.5) to reconstruct their transmission and expansion histories across East Asia and parts of Central Asia. We found that L2.2 has established a highly connected transmission network centered in Southern China, whereas L4.2 is characterized by cross-border transmission between Central Asia and Western China, and L4.4 and L4.5 exhibit repeated transmission events between Southeast Asia and Southern China. By reconstructing their population histories, we demonstrated that these sub-lineages have experienced multi-stage expansions since the 15th century, accompanied by a recent rapid proliferation of evolutionary clades. These findings reveal that the MTBC epidemic in East Asia may follow a pattern of long-term historical adaptation superimposed with recent concentrated outbreaks, providing potential genomic evidence to inform precise regional tuberculosis control strategies in China.

Mycobacterium tuberculosis↗

Risk management of transmissible spongiform encephalopathies in Asia.

A questionnaire-based survey was distributed to the Office International des Epizooties (OIE: World organisation for animal health) Member Countries in Asia to assess the use of risk management for transmissible spongiform encephalopathies. The author presents a summary of 16 responses received in July 2002. The survey revealed that import risk analysis on bovine spongiform encephalopathy (BSE) is not routinely carried out in ten countries, indicating an urgent need for further training courses. Although the number of ruminants imported from Europe is relatively small, significant quantities of feedstuffs of ruminant origin have been imported into Asia, which may mean that the BSE agent could have reached domestic cattle in most countries. The external challenge has been considerably reduced in recent years as most countries in Asia banned the importation of feedstuffs from countries with BSE, but a few weak spots which enable imports of risk materials still persist. Recycling of BSE through rendering plants is unlikely but cannot be totally excluded in some countries such as the People's Republic of China, India, Japan, Pakistan and Taipei China. Therefore, much more stringent management at slaughterhouses and rendering plants, as well as extensive surveillance programmes, are required in those countries. Bovine spongiform encephalopathy is not notifiable in six countries, indicating a total absence of risk management of BSE in those countries. Immediate actions by these governments to declare BSE a notifiable disease are considered necessary. Numbers of specimens tested for BSE are still very small in most countries in Asia, indicating a pressing need to upgrade surveillance programmes by introducing modern (economically affordable) diagnostic methods and by conducting practical training courses on epidemiological surveillance systems. With the exception of Japan, very little work has been performed on scrapie in Asia although the disease has been routinely monitored in the People's Republic of China, India, Myanmar, Pakistan and Taipei China.

Animal Feed↗

AIDS vaccine research in Asia: needs and opportunities. Report from a UNAIDS/WHO/NIID meeting Tokyo, 28-30 October 1998.

A meeting was organized by the Joint United Nations Programme on HIV/AIDS (UNAIDS), the World Health Organisation (WHO) and the Japanese National Institute of Infectious Diseases (NIID) with the following objectives: (i) to discuss public health and economic rationale to accelerate the development and evaluation of HIV vaccines suitable for use in Asia; (ii) to review ongoing preclinical HIV vaccine research in Asia; (iii) to review the Asian experience in conducting clinical trials of HIV candidate vaccines; (iv) to explore possibilities for international collaboration between countries in the region and with other countries and institutions; and (v) to discuss issues related to availability of future effective HIV vaccines. The meeting was attended by participants from Australia, China, France, Germany, India, Japan, Malaysia, Myanmar, South Korea, Thailand, United Kingdom, and the United States of America. The HIV epidemic in Asia is rapidly spreading and has already resulted in a total of 7 million HIV infections in the region. The epidemic already has a significant public health and economic impact, which may be worse in the future, unless effective intervention programmes are successfully implemented. A safe, effective, and affordable vaccine should be considered as the best hope for a long-term solution to the HIV epidemic in Asia. Asian scientists and institutions have established a number of international collaborations to isolate and characterize prevalent HIV-1 strains (mostly belonging to subtypes C and E) and are developing candidate vaccines based on these subtypes. In the region, phase I/II clinical trials of preventative HIV candidate vaccines have been conducted in Australia, China and Thailand. Since 1993, a comprehensive National AIDS Vaccine Plan has allowed Thailand to conduct phase I/II trials of six different preventative or therapeutic candidate vaccines, and the first phase III preventative efficacy trial has been approved. The meeting identified both the needs and the opportunities to intensify international collaboration to accelerate the development of HIV vaccines in Asia.

AIDS Vaccines↗

Heart transplantation in Asia.

BACKGROUND: The first clinical heart transplantation in Asia was performed by Wada in 1968. Due to cultural and religious problems, heart transplantation was rarely performed in Asia until 1987 and since then the number of heart transplantation has increased rapidly. This study was undertaken to investigate the results of heart transplantation in Asia. METHODS: Data was collected through the use of a questionnaire by mail. The questionnaire included information on the year when heart transplantation was started, the number of heart transplantations by year and country population, sex, age and diagnosis of recipients, causes of brain death of the donors, number of centers with an active heart transplantation programs, operative mortality and actuarial survival, brain death and organ transplant legislation. RESULTS: From July 17, 1987 to December 1996, 380 patients received heart transplantation in Asia. Up to 1996, Taiwan had performed 178 cases of heart transplantation. Thailand also started in 1987 and had 95 cases. South Korea started in 1992 and had 65 cases. Singapore and India each had 12 cases. Hong Kong 8 cases, China 7 cases, and the Philippines 3 cases, all started in the early 1990s. The recipient ages ranged from 1 to 70 years with a male to female ratio of 3 to 1. The one-month operative mortality rate ranged from 0 to 25% with an average of 7.4%. The one-year survival rate ranged from 0 to 84% with an average of 78.8%. The 5-year survival rate ranged from 30 to 74.1% with an average of 67. 5%. CONCLUSION: Heart transplantation was well-established in most Asian countries, and the number was increasing. The result and survival rate of heart transplantation in Asia were comparable with that of the world series.

Actuarial Analysis↗

Validation of MODIS aerosol retrievals and evaluation of potential cloud contamination in East Asia.

MODIS aerosol retrievals onboard Terra/Aqua and ground truth data obtained from AERONET (Aerosol Robtic Network) solar direct radiance measurements are collocated to evaluate the quality of the former in East Asia. AERONET stations in East Asia are separated into two groups according to their locations and the preliminary validation results for each station. The validation results showed that the accuracy of MODIS aerosol retrievals in East Asia is a little worse than that obtained in other regions such as Eastern U.S., Western Europe, Brazil and so on. The primary reason is due to the improper aerosol model used in MODIS aerosol retrieval algorithm, so it is of significance to characterize aerosol properties properly according to long-term ground-based remote sensing or other relevant in situ observations in order to improve MODIS retrievals in East Asia. Cloud contamination is proved to be one of large errors, which is demonstrated by the significant relation between MODIS aerosol retrievals versus cloud fraction, as well as notable improvement of linear relation between satellite and ground aerosol data after potential cloud contamination screened. Hence, it is suggested that more stringent clear sky condition be set in use of MODIS aerosol data. It should be pointed out that the improvement might be offset by other error sources in some cases because of complex relation between different errors. Large seasonal variation of surface reflection and uncertainties associated with it result in large intercepts and random error in MODIS aerosol retrievals in northern inland of East Asia. It remains to be a big problem to retrieve aerosols accurately in inland characterized by relatively larger surface reflection than the requirement in MODIS aerosol retrieval algorithm.

Aerosols↗

Do clinical manifestations of Systemic Lupus Erythematosus in Pakistan correlate with rest of Asia?

OBJECTIVE: Systemic Lupus Erythematosus (SLE) is known to be different among people with different racial, geographical and socio-economic back grounds. Asia has diverse ethnic groups broadly, Orientals in the East and Southeast Asia, Indians in South Asia and Arabs in the Middle East. These regions differ significantly from the Caucasians with reference to SLE. The purpose of this study was, therefore, to delineate the clinical pattern and disease course in Pakistani patients with SLE and compare it with Asian data. METHODS: Patients with SLE fulfilling the clinical and laboratory criteria of the American Rheumatism Association admitted at the Aga Khan University Hospital between 1986 and 2001 were studied by means of a retrospective review of their records. The results were compared with various studies in different regions of Asia. RESULTS: Demographically, it was seen that SLE is a disease predominantly of females in their third decade, which is generally consistent with Asian data. There was less cutaneous manifestations, arthritis, serositis, haematological and renal involvement compared to various regions in Asia. The neurological manifestations of SLE, however, place Pakistani patients in the middle of a spectrum between South Asians and other Asian races. CONCLUSION: This study has shown that the clinical characteristics of SLE patients in our country may be different to those of other Asian races. Although our population is similar to South Asians, but clinical manifestations of our SLE patients are considerably different, suggesting some unknown etiology. Further studies are required to confirm the above results and to find statistically sounder associations.

Adolescent↗

Women and AIDS in south and South-East Asia: the challenge and the response.

South and South-East Asia are at the centre of the most aggressive advances of the AIDS epidemic today. The challenge this presents to the region is clear. While reported absolute numbers still lag behind the African region (11,160,900 in Africa; 3,081,235 in Asia) knowledgeable observers agree that the place of infection and potential devastation in this region exceed what we have seen in Africa. Those concerned with the welfare of the people of Asia, therefore, must make serious efforts to break the chain of HIV transmission as quickly and effectively as possible and identify and care for the infected. Women are entitled to protection by rights the same as men. However, for anatomical reasons, women are more vulnerable than men to infection by HIV. In addition, throughout the Asian region, women's "natural" vulnerability is vastly magnified by poverty and generally low levels of education and personal autonomy which make it difficult for them to gain access to information and appropriate services. Because of women's multiple roles in the epidemic-potential "infectee", care-giver, transmitter of infection-if we are to be successful in halting the spread of HIV/AIDS we must give particular attention to reaching, working with, and serving women. Meeting this challenge requires involvement of men as well as women, individuals and institutions, governments and NGOs, in four broad areas of activity: (i) HIV/AIDS education and information; (ii) basic education and economic activity to reduce gender inequities; (iii) improvements in policy and social environments; and (iv) provision of health and other services. Lack of commitment, skill, or persistence in meeting the challenge will cost lives across Asia.

Acquired Immunodeficiency Syndrome↗

Interaction of bacteriophage T4 AsiA protein with Escherichia coli sigma70 and its variant.

Bacteriophage T4 produces a small protein AsiA, which inhibits transcription from sigma70-dependent promoters in E. coli by tightly binding to sigma70 and is therefore termed as anti-sigma factor. We observed that there was no inhibition of single round transcription at lac UV5 promoter when AsiA was added to preformed open complex between RNA polymerase and template DNA. However, transcription was found to proceed normally at 'extended -10' promoters in the presence of AsiA. It appears therefore that AsiA binds sigma70 at its 4.2-subdomain or in its close vicinity. Further experiments on immunoprecipitation of sigma70 and a mutant sigma70-V576G with AsiA seem to corroborate such conclusion.

Bacteriophage T4↗

New evidence on the earliest human presence at high northern latitudes in northeast Asia.

The timing of early human dispersal to Asia is a central issue in the study of human evolution. Excavations in predominantly lacustrine sediments at Majuangou, Nihewan basin, north China, uncovered four layers of indisputable hominin stone tools. Here we report magnetostratigraphic results that constrain the age of the four artefact layers to an interval of nearly 340,000 yr between the Olduvai subchron and the Cobb Mountain event. The lowest layer, about 1.66 million years old (Myr), provides the oldest record of stone-tool processing of animal tissues in east Asia. The highest layer, at about 1.32 Myr, correlates with the stone tool layer at Xiaochangliang, previously considered the oldest archaeological site in this region. The findings at Majuangou indicate that the oldest known human presence in northeast Asia at 40 degrees N is only slightly younger than that in western Asia. This result implies that a long yet rapid migration from Africa, possibly initiated during a phase of warm climate, enabled early human populations to inhabit northern latitudes of east Asia over a prolonged period.

Animals↗

T4 AsiA blocks DNA recognition by remodeling sigma70 region 4.

Bacteriophage T4 AsiA is a versatile transcription factor capable of inhibiting host gene expression as an 'anti-sigma' factor while simultaneously promoting gene-specific expression of T4 middle genes in conjunction with T4 MotA. To accomplish this task, AsiA engages conserved region 4 of Eschericia coli sigma70, blocking recognition of most host promoters by sequestering the DNA-binding surface at the AsiA/sigma70 interface. The three-dimensional structure of an AsiA/region 4 complex reveals that the C-terminal alpha helix of region 4 is unstructured, while four other helices adopt a completely different conformation relative to the canonical structure of unbound region 4. That AsiA induces, rather than merely stabilizes, this rearrangement can be realized by comparison to the homologous structures of region 4 solved in a variety of contexts, including the structure of Thermotoga maritima sigmaA region 4 described herein. AsiA simultaneously occupies the surface of region 4 that ordinarily contacts core RNA polymerase (RNAP), suggesting that an AsiA-bound sigma70 may also undergo conformational changes in the context of the RNAP holoenzyme.

Amino Acid Sequence↗

The Escherichia coli RNA polymerase.anti-sigma 70 AsiA complex utilizes alpha-carboxyl-terminal domain upstream promoter contacts to transcribe from a -10/-35 promoter.

During infection of Escherichia coli, the phage T4 early protein AsiA inhibits open complex formation by the RNA polymerase holoenzyme Efinal sigma(70) at -10/-35 bacterial promoters through binding to region 4.2 of the final sigma(70) subunit. We used the -10/-35 lacUV5 promoter to study the properties of the Efinal sigma(70). AsiA complex in the presence of the glutamate anion. Under these experimental conditions, inhibition by AsiA was significantly decreased. KMnO(4) probing showed that the observed residual transcriptional activity was due to the slow transformation of the ternary complex Efinal sigma(70). AsiA.lacUV5 into an open complex. In agreement with this observation, affinity of the enzyme for the promoter was 10-fold lower in the ternary complex than in the binary complex Efinal sigma(70).lacUV5. A tau plot analysis of abortive transcription reactions showed that AsiA binding to Efinal sigma(70) resulted in a 120-fold decrease in the second-order on-rate constant of the reaction of Efinal sigma(70) with lacUV5 and a 55-fold decrease in the rate constant of the isomerization step leading to the open complex. This ternary complex still responded to activation by the cAMP.catabolite activator protein complex. We show that compensatory Efinal sigma(70)/promoter upstream contacts involving the C-terminal domains of alpha subunits in Efinal sigma(70) become essential for the binding of Efinal sigma(70). AsiA to the lacUV5 promoter.

Base Sequence↗

Immunogenicity of a recombinant fusion protein of tandem repeat epitopes of foot-and-mouth disease virus type Asia 1 for guinea pigs.

In this study, the sequences of capsid protein VPI regions of YNAs1.1 and YNAs1.2 isolates of foot-and-mouth disease virus (FMDV) were analyzed and a peptide containing amino acids (aa) 133-158 of VP1 and aa 20-34 of VP4 of FMDV type Asia I was assumed to contain B and T cell epitopes, because it is hypervariable and includes a cell attachment site RGD located in the G-H loop. The DNA fragments encoding aa 133-158 of VP1 and aa 20-34 of VP4 of FMDV type Asia 1 were chemically synthesized and ligated into a tandem repeat of aa 133-158-20 approximately 34-133-158. In order to enhance its immunogenicity, the tandem repeat was inserted downstream of the beta-galactosidase gene in the expression vector pWR590. This insertion yielded a recombinant expression vector pAS1 encoding the fusion protein. The latter reacted with sera from FMDV type Asia 1-infected animals in vitro and elicited high levels of neutralizing antibodies in guinea pigs. The T cell proliferation in immunized animals increased following stimulation with the fusion protein. It is reported for the first time that a recombinant fusion protein vaccine was produced using B and T cell epitopes of FMDV type Asia 1 and that this fusion protein was immunogenic. The fusion protein reported here can serve as a candidate of fusion epitopes for design of a vaccine against FMDV type Asia 1.

Animals↗

Distribution of linear alkylbenzenes (LABs) in riverine and coastal environments in South and Southeast Asia.

This paper reports the result of sewage pollution monitoring conducted in South and Southeast Asia during 1998-2003 using linear alkylbenzenes (LABs) as molecular tracers of sewage contamination. Eighty-nine water samples collected from Malaysia, Vietnam, and Japan (Tokyo), and 161 surface sediment samples collected from Tokyo, Thailand, Malaysia, Philippines, Vietnam, Cambodia, Indonesia, and India were analyzed for alkylbenzenes. The concentration range of SigmaLABs in river water particles in Southeast Asia (<0.005-0.913 microg/L) was comparable to or higher than those found in Tokyo (<0.005-0.638 microg/L). I/E ratios (a ratio of internal to external isomers of LABs) in tropical Asian waters were close to the value of LABs in raw sewage ( approximately 1) and much lower than those in secondary effluents (3-5). This suggests that untreated or inadequately treated sewage is discharged into the water. SigmaLABs concentrations in sediments from South and Southeast Asia ranged from <0.002-42.6 microg/g-dry with the highest concentration occurring at several populous cities. Low I/E ratios of the sediments with high SigmaLABs concentrations suggest a heavy load of untreated sewage. Clearly in view of the current data and evidence of the implications of sewage pollution, this paper highlights the necessity of the continuation of water treatment system improvement in tropical Asia.

Asia↗

Distribution of group-specific component (Gc) subtypes in several Mongoloid populations of East Asia.

The distribution of group-specific component (Gc) subtypes was determined by isoelectric focussing in thin layer polyacrylamide gels of pH range 4 to 6.5, in a group of 2412 individuals from 10 Mongoloid populations of East Asia. The sample comprised 959 Chinese from different localities (Singapore, 249; Malaysia, 347; Taiwan, 246; Hong Kong, 57; Fuzhou mainland, 60), 338 Koreans, 277 Filipinos, 484 Thais, 330 Malays and 24 Indonesians. The Filipinos and Malays had lower frequencies of Gc2 (0.15 and 0.18) compared to other Mongoloid populations (0.23 to 0.32) and the Chinese (0.24 to 0.32). The frequencies of Gc1F varied from 0.39 to 0.49 in the Chinese and 0.35 to 0.52 in other Mongoloid populations. Low frequency of rarer variants was observed in most of the populations. The average frequency of Gc2 was higher in the Japanese (0.26 +/- 0.01) than in the Chinese (0.24 +/- 0.02), and in Mongoloids of East Asia (0.23 +/- 0.01) and South-East Asia (0.17 +/- 0.01). The average frequencies of Gc1F and Gc1S were similar in the Chinese and Japanese, whereas the Mongoloids of South-East Asia had a much higher frequency of Gc1F and a lower frequency of Gc1S than the Chinese, Japanese and East Asian Mongoloid populations.

Alleles↗

Effectiveness of tobacco cessation interventions delivered in clinical settings in South Asia: a systematic review and meta-analysis.

BACKGROUND: Despite the burden of tobacco use, access to cessation support in South Asia remains scarce. OBJECTIVE: This review evaluates the effectiveness of tobacco cessation interventions delivered in clinical settings in South Asia. METHODS: Five relevant databases were searched from inception to February 2025. Eligibility criteria included randomized and non-randomized studies evaluating behavioral, pharmacotherapy, and multicomponent interventions delivered in clinical settings in South Asia. Data on study setting and design, participant information, intervention, comparator, and outcomes were extracted. Meta-analyses using random-effect models were conducted where possible. Certainty of evidence was assessed using GRADE. RESULTS: Thirty-seven studies were included (22 randomized and 15 non-randomized). Interventions involved pharmacotherapy (n&#x2009;=&#x2009;6; 16.2%), nicotine replacement therapy (n&#x2009;=&#x2009;7; 18.9%), behavioral counseling (n&#x2009;=&#x2009;12; 32.4%), or combined/multicomponent interventions (n&#x2009;=&#x2009;12; 32.4%). Most studies were conducted in India (n&#x2009;=&#x2009;26; 70.3%), followed by Pakistan (n&#x2009;=&#x2009;6; 16.2%), Nepal (n&#x2009;=&#x2009;3; 8.1%), and two studies (5.4%) were multi-country in India, Pakistan, and Bangladesh. Pooled analyses demonstrated higher quit rates among intervention versus control for continuous abstinence at 0-3&#x2009;months (RR: 1.21, 95%CI: 1.06 to 1.37) and >3&#x2009;months (RR: 1.68, 95%CI: 1.1.4 to 2.47), and for point abstinence at >3&#x2009;months post-intervention (RR: 2.03, 95%CI:1.35 to 3.08). Heterogeneity was high for all analyses (I2 range: 94% to 97%). Combined behavioral and pharmacotherapy interventions were most effective (RR: 1.70, 95%CI: 0.98 to 2.92), although not statistically significant (p&#x2009;=&#x2009;0.06). CONCLUSION: Tobacco cessation interventions delivered in clinical settings in South Asia are effective, particularly when combining behavioral support with pharmacotherapy. However, evidence is limited by methodological weaknesses.

Humans↗

The TREAT Asia HIV Observational Database: baseline and retrospective data.

BACKGROUND: Relatively little is known regarding HIV disease natural history and response to antiretroviral treatments among Asian people infected with HIV. The Therapeutics Research, Education, and AIDS Training in Asia (TREAT Asia) HIV Observational Database (TAHOD) is a recently established collaborative observational cohort study that aims to assess HIV disease natural history in treated and untreated patients in the Asia-Pacific region. METHODS: Observational data are collected on HIV-infected patients from 11 sites in the Asia-Pacific region. Data are centrally aggregated for analyses, with the first baseline and retrospective data transferred in September 2003. Retrospective data were analyzed to assess the response to highly active antiretroviral treatment (HAART) over a 6-month period in terms of changes in CD4 count and proportions of patients achieving an undetectable HIV viral load (<400 copies/mL). RESULTS: By the end of May 2004, 1887 patients had been recruited to the TAHOD. Seventy-two percent of patients were male, with median age 36 years. Seventy-eight percent of patients reported HIV infection through heterosexual contact. Forty-three percent of patients had a previous AIDS diagnosis, of whom 55% had tuberculosis. The mean 6-month CD4 count increase was 115 cells/muL (SD=127) after starting triple-combination therapy. Smaller CD4 count increases were associated with a higher CD4 count before starting treatment, prior treatment with monotherapy or double therapy, and treatment with a HAART regimen containing a nucleoside reverse transcriptase inhibitor (NRTI) and/or protease inhibitor (PI) but without a nonnucleoside reverse transcriptase inhibitor (NNRTI). Five hundred and ninety-eight patients started HAART and had a viral load assessment at 6 months, with 69% attaining an undetectable viral load. Older patients, patients not exposed to HIV through heterosexual contact, and patients treated with HAART containing NRTIs and NNRTIs but without PIs were found to be more likely to achieve an undetectable level. CONCLUSION: Analyses of retrospective data in the TAHOD suggest that the overall response to HAART in Asian populations is similar to that seen in Western countries.

Adolescent↗

The effects of diabetes on the risks of major cardiovascular diseases and death in the Asia-Pacific region.

OBJECTIVE: To provide reliable age- and region-specific estimates of the associations between diabetes and major cardiovascular diseases and death in populations from the Asia-Pacific region. RESEARCH DESIGN AND METHODS: Twenty-four cohort studies from Asia, Australia, and New Zealand (median follow-up, 5.4 years) provided individual participant data from 161,214 people (58% from Asia) of whom 4,873 had a history of diabetes at baseline. The associations of diabetes with the risks of coronary heart disease, stroke, and cause-specific mortality during follow-up were estimated using time-dependent Cox models, stratified by study cohort and sex and adjusted for age at risk. RESULTS: In all, 9,277 deaths occurred (3,635 from cardiovascular disease). The hazard ratio (95% CI) associated with diabetes was 1.97 (1.72-2.25) for fatal cardiovascular disease; there were similar hazard ratios for fatal coronary heart disease, fatal stroke, and composites of fatal and nonfatal outcomes. For all cardiovascular outcomes, hazard ratios were similar in Asian and non-Asian populations and in men and women, but were greater in younger than older individuals. For noncardiovascular death, the hazard ratio was 1.56 (1.38-1.77), with separately significant increases in the risks of death from renal disease, cancer, respiratory infections, and other infective causes. The hazard ratio for all-causes mortality was 1.68 (1.55-1.84), with similar ratios in Asian and non-Asian populations, but with significantly higher ratios in younger than older individuals. CONCLUSIONS: The relative effect of diabetes on the risks of cardiovascular disease and death in Asian populations is much the same as that in the largely Caucasian populations of Australia and New Zealand. Hazard ratios were severalfold greater in younger people than older people. The rapidly growing prevalence of diabetes in Asia heralds a large increase in the incidence of diabetes-related death in the coming decades.

Age Distribution↗