[Five changes of family structure in developed countries].
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Oral health manpower projection methods and their implications for developing countries: the case of Zimbabwe.
Manpower projections for oral health are generally held to be more accurate than those for other health sectors since the diseases involved and their treatment times can be predicted more precisely. Nevertheless most oral health manpower projections are either overestimates or are not in line with the resources of individual countries, especially in developing countries. Zimbabwe was taken as the study case, and oral health manpower projections were made using two of the most commonly employed methods and one new approach. The projections obtained using the three methods were all different, and even the lowest projection is beyond the resources of the country. It is recommended that in making oral health manpower projections, the facilities available to accommodate these personnel should also be taken into account.
Dental Hygienists↗
Medical neglect of a child: challenges for pediatricians in developing countries.
OBJECTIVE: To conceptualize the underlying causes of the medical neglect of children in a developing country and to provide suggestions for the management of neglect by pediatricians. METHODS: A case history of a 4-year-old boy from Turkey with neglect of the required treatment for acute lymphoblastic leukemia is used to examine the causes and management of medical neglect. RESULTS: Although epidemiological studies on child neglect are lacking, this case exemplifies how in DEVELOPING countries, reasons for neglect or non-compliance with medical recommendations and the roles and actions taken by the health care and the social service systems may differ from western populations. Common to both western and developing countries, the characteristics of the child, family, and society may be reasons for medical neglect. However, cultural fatalistic beliefs profoundly present in the developing world may also contribute to the medical neglect of a child. Identification of the neglect, a comprehensive, multidisciplinary assessment emphasizing the strengths within the family and the society, and the determination of the pediatric team to act in the best interest of the child may result in resolution of the neglect even in circumstances where resources within systems are not sufficient. CONCLUSIONS: In developing countries, increased emphasis on child neglect, its prompt recognition and management within the pediatric profession as well as at a health care and social service system levels are needed to address this prevalent and potentially fatal child health problem.
Child Abuse↗
[Economic problems and contradictions in mineral fertilizer application for solving nutrition problems in the developing countries].
The optimum application of mineral fertilizers in the agriculture of the developing countries is inhibited by the monopolization of the mineral fertilizer industry in the capitalist economic world system and the numerous contradictions in the developing countries themselves. Thus it requires the full state sovereignty and economic independence of the developing countries, and the creation of such social conditions which enable the further extension and better utilization of the fertilizer capacities as well as the optimum fertilizer application. This means applying mineral fertilizers in the best possible way in order to ensure the nutrition of their own population and aiming at agrarian structures which promote mineral fertilization, restructuring the system of mineral fertilizer prices, and developing the mineral fertilizer service.
Developing Countries↗
The effect of changes in population characteristics on breastfeeding trends in fifteen developing countries.
BACKGROUND: Extended breastfeeding is known to benefit the health of children in developing countries and despite widespread expectations of a decline in breastfeeding in these countries, it has been demonstrated that the incidence and duration of breastfeeding are in fact increasing many countries. METHODS: In this paper, trends in breastfeeding duration are examined in 15 developing countries, using data from two comparable surveys for each country, the World Fertility Survey (conducted in the late 1970s) and the Demographic and Health Survey (conducted in the late 1980s). Multivariate regression models are used to examine differentials in breastfeeding behaviour across population subgroups in these countries for each time period, and these differentials are used to determine the extent to which the observed trends are due to changes in population characteristics and to what extent behaviour has changed within population subgroups. RESULTS: Results show that changes in the characteristics of the population have almost universally pushed breastfeeding durations in the downward direction. On the other hand, trends within population subgroups have been positive in all but two of the 15 countries examined. CONCLUSIONS: Changes in population characteristics can be expected to continue for most developing countries, exerting a downward pressure on breastfeeding. Policies that promote breastfeeding are needed to counter these changes, especially in the most vulnerable population subgroups.
Adult↗
The management of congenital talipes equinovarus in developing countries.
Congenital Talipes Equinovarus often remains untreated in developing countries. At our Institute in Calcutta, where we have modern facilities, a programme was undertaken using simple techniques in selected cases. Since 1964, 5,312 cases of congenital talipes equinovarus were treated by percutaneous elongation of the Achilles tendon, plantar fasciotomy and corrective plasters. In 4,502 cases the results are good enough to recommend this technique, even in developed countries.
Achilles Tendon↗
Health-care technology transfer: expert and information systems for developing countries.
Computer-based technologies such as information systems and expert systems have an undoubted contribution to health-care development in developing countries. This paper addresses the appropriateness of these technologies for developing countries, the criteria to be used in selection of the technology to be transferred, and the need for a systematic approach to evaluation. A conceptual model for assessing transferability so as to achieve an effective transfer, has been introduced. This requires not only an attempt to amplify the role of information and expert systems in health-care improvement and for socio-economic development, but the analysis of prior experience in transferring these technologies to developing countries. Following this approach, and using operational research techniques such as the Analytic Hierarchy Process, a subjective assessment model has been described that can systematically guide decision-making about computer-based health-care technology to be transferred to developing countries.
Developing Countries↗
The effectiveness of sex education and HIV education interventions in schools in developing countries.
OBJECTIVE: To review the impact of sex education and HIV education interventions in schools in developing countries on both risk behaviours for HIV and the psychosocial factors that affect them. METHODS: We conducted a systematic review. Searches identified studies in developing countries that evaluated interventions using either experimental or strong quasi-experimental designs and measured the impact of the intervention on sexual risk behaviours. Each study was summarized and coded, and the results were tabulated by type of intervention. FINDINGS: Twenty-two intervention evaluations met the inclusion criteria: 17 were based on a curriculum and 5 were not, and 19 were implemented primarily by adults and 3 by peers. These 22 interventions significantly improved 21 out of 55 sexual behaviours measured. Only one of the interventions (a non-curriculum-based peer-led intervention) increased any measure of reported sexual intercourse; 7 interventions delayed the reported onset of sex; 3 reduced the reported number of sexual partners; and 1 reduced the reported frequency of sexual activity. Furthermore, 16 of the 22 interventions significantly delayed sex, reduced the frequency of sex, decreased the number of sexual partners, increased the use of condoms or contraceptives or reduced the incidence of unprotected sex. Of the 17 curriculum-based interventions, 13 had most of the characteristics believed to be important according to research in developed and developing countries and were taught by adults. Of these 13 studies, 11 significantly improved one or more reported sexual behaviours, and the remaining 2 showed non-significant improvements in reported sexual behaviour. Among these 13 studies, interventions led by both teachers and other adults had strong evidence of positive impact on reported behaviour. Of the 5 non-curriculum-based interventions, 2 of 4 adult-led and the 1 peer-led intervention improved one or more sexual behaviours. CONCLUSIONS: A large majority of school-based sex education and HIV education interventions reduced reported risky sexual behaviours in developing countries. The curriculum-based interventions having the characteristics of effective interventions in the developed and developing world should be implemented more widely. All types of school-based interventions need additional rigorous evaluation, and more rigorous evaluations of peer-led and non-curriculum-based interventions are necessary before they can be widely recommended.
Adolescent↗
Antenatal care in developing countries: the need for a tailored model.
In developed countries, 98% of all women receive prenatal care and 94% give birth under the supervision of skilled healthcare practitioners with timely access to appropriate emergency treatment if complications arise. In contrast, large numbers of pregnant women in Africa and Asia do not receive adequate prenatal care and lack skilled attendance at birth. In developing countries quality of prenatal care is often scarce: models of care adopted in the western world and exported to the developing world have not been monitored early enough to discover their weak points promptly. This blind attitude has transformed antenatal care into an empty and useless ritual, and explains why antenatal care programmes continue to be unsuccessful, being inappropriate to the specific situation. A mix of educational and cultural factors together with persistent lack of resources in a global critical situation all contribute to the poor results of antenatal care programmes. Antenatal care services should be free of charge, planned and implemented within the community, cost-effective, and should yield evidence-based quality care. They should also include information for the patient and family members, provide affordable treatment of existing conditions, and warrant referral for complications.
Cultural Characteristics↗
Contamination by persistent organic pollutants in dumping sites of Asian developing countries: implication of emerging pollution sources.
In Asian developing countries, large amounts of municipal wastes are dumped daily in open dumping sites without proper management. This practice may cause several adverse environmental consequences and increased health risk to local communities. To elucidate contamination by persistent organic pollutants (POPs)--including dichloro-diphenyl-trichloroethane and its metabolites (DDTs), hexachlorocyclohexanes (HCHs), chlordanes, hexachlorobenzene (HCB), and polychlorinated biphenyls (PCBs)--in such dumping sites, soil samples were collected from open dumping sites and respective control sites in Cambodia, India, and Vietnam from 1999 through 2001. Our results demonstrated that DDTs, PCBs, and HCHs were dominant contaminants in the dumping sites. However, the contamination pattern was not consistent, showing higher HCHs in India than in Cambodia and Vietnam. Interestingly, in all of the countries, extremely higher levels of POPs were observed in the dumping sites compared with those in the respective control sites, suggesting significant amplification of POP contamination in the dumping sites of Asian developing countries. Mean concentrations of DDTs and PCBs were 350 and 140 ng/g dry weight, respectively, in the dumping sites of Cambodia and 26 and 210 ng/g, respectively, in India. These residue levels were hundreds to thousands times higher than those in general soils, implying possible risk to human health of the local communities, especially to the rag pickers, including children who work in these sites to collect recyclable materials. Composition of DDT compounds suggested their recent use in populated areas, which in turn might have caused increased levels of DDTs in the open dumping sites. In addition, composition of HCH isomers revealed their different use pattern in different countries.
Asia↗
Growing vegetables in developing countries for local urban populations and export markets: problems confronting small-scale producers.
Vegetables attract high applications of pesticides, and farmers in developing countries use many acutely toxic insecticides to control pests on these crops. With the liberalisation of agricultural markets in developing countries, the number of small-scale farmers growing vegetables for both domestic and export markets is increasing. Demand for supplies of year-round and exotic fruit and vegetables has grown in industrialised countries, but with rising quality standards and traceability requirements it is difficult for small-scale farmers to benefit from this lucrative non-traditional agricultural export trade. The demand is high for vegetables in the expanding cities in developing countries, and farmers in peri-urban areas, or rural areas with good access to the cities, are in a position to find a growing market for their produce. Poor storage facilities will often mean that farmers are forced to sell at peak times when prices are low. Farmers rarely have access to training in pesticide use, and have only limited or no access to advice on the complicated management of pesticides. The Food and Agriculture Organisation of the UN is concerned about high levels of poor quality and adulterated pesticides on sale in developing countries. Surveys repeatedly show that without training, farmers are unable to make good crop decisions: recognition of pests and their predators is generally low, leading to decisions to spray to kill any insect; knowledge of product selection, application rates and timing is poor; different products are often combined in the belief that the effect will be greater; re-entry periods after spraying and essential harvest intervals are not known; and without knowledge of alternatives, farmers will often assume that the only solution to pest problems is to spray more frequently. From a consumer's point of view, few developing countries are able to monitor pesticide residues, particularly for produce grown for home consumption: most countries do not have laboratories for even simple residue testing. Changes in European Maximum Residue Limits means that export crops will be rejected if they contain residues at the Limit of Detection of pesticides not registered in Europe. Season-long field level training in Integrated Pest Management can help farmers to become better decision-makers, and to greatly reduce pesticide use while reducing risks to their own health and environment, producing safer products for consumers, maintaining yields, and increasing incomes.
Agriculture↗
Respiratory syncytial virus infection in tropical and developing countries.
Little is known about the epidemiology of respiratory syncytial virus (RSV) infection in tropical and developing countries; the data currently available have been reviewed. In most studies, RSV was found to be the predominant viral cause of acute lower respiratory tract infections (ALRI) in childhood, being responsible for 27-96% of hospitalised cases (mean 65%) in which a virus was found. RSV infection is seasonal in most countries; outbreaks occur most frequently in the cold season in areas with temperate and Mediterranean climates and in the wet season in tropical countries with seasonal rainfall. The situation on islands and in areas of the inner tropics with perennial high rainfall is less clear-cut. The age group mainly affected by RSV in developing countries is children under 6 months of age (mean 39% of hospital patients with RSV). RSV-ALRI is slightly more common in boys than in girls. Very little information is available about the mortality of children infected with RSV, the frequency of bacterial co-infection, or the incidence of further wheezing after RSV. Further studies on RSV should address these questions in more detail. RSV is an important pathogen ill young children in tropical and developing countries and a frequent cause of hospital admission. Prevention of RSV infection by vaccination would have a significant impact on the incidence of ALRI in children in developing countries.
Age Distribution↗
Costs and benefits of different strategies to screen for cervical cancer in less-developed countries.
BACKGROUND: About 80% of cervical cancers occur in less-developed countries. This disproportionate burden of cervical cancer in such countries is due mainly to the lack of well-organized screening programs. Several cervical cancer screening strategies have been proposed as more cost-effective than cytology screening. We compared the costs and benefits of different strategies and their effectiveness in saving lives in a less-developed country. METHODS: We used a population-based simulation model to evaluate the incremental societal costs and benefits in Thailand of seven screening techniques, including visual inspection of the cervix after applying acetic acid (VIA), human papillomavirus (HPV) testing, Pap smear, and combinations of screening tests, and examined the discounted costs per year of life saved (LYS). RESULTS: Compared with no (i.e., not well-organized) screening, all strategies saved lives, at costs ranging from 121 US dollars to 6720 US dollars per LYS, and reduced mortality, by up to 58%. Comparing each strategy with the next least expensive alternative, VIA performed at 5-year intervals in women of ages 35-55 with immediate treatment if abnormalities are found was the least expensive option and saved the greatest number of lives, with a cost of 517 US dollars per LYS. HPV screening resulted in similar costs and benefits, if the test cost is 5 US dollars and if 90% of women undergo follow-up after an abnormal screen. Cytology (Pap smear) was a reasonable alternative if sensitivity exceeds 80% and if 90% of women undergo follow-up. Compared with no screening, use of a combination of Pap smear and HPV testing at 5-year intervals in women of ages 20-70 could achieve greater than 90% reduction in cervical cancer mortality at a cost of 1683 US dollars per LYS, and VIA could achieve 83% reduction at 524 US dollars per LYS. CONCLUSIONS: Well-organized screening programs can reduce cervical cancer mortality in less-developed countries at low costs. These cost-effectiveness data can enhance decision-making about optimal policies for a given setting.
Acetic Acid↗
Using surveys for management and measurement of health in developing countries.
National household surveys have been a basic statistical feature for many decades in the industrialized countries and more recently in the developing world. This paper deals with the potential of national household surveys for obtaining health information in developing countries. In this regard the United Nations National Household Survey Capability Programme (NHSCP) aims at collaborating with developing countries to establish a continuing flow of integrated statistics.
Data Collection↗
Mortality and income inequality among economically developed countries.
The absence of a correlation between age-adjusted death rates and the average income levels of economically developed countries has led researchers to conclude that income does not affect the mortality levels of economically developed countries. The mortality experiences of the former Soviet Union and some of the eastern European countries have further brought into question the importance of income's distribution in determining mortality among economically developed countries; prior to its breakup, the income distribution of the Soviet Union was as equal as that of Sweden, yet the life expectancy of the Soviets has been dramatically shorter than that of the Swedes. Using insights from a longitudinal microanalysis of U.S. mortality, this study presents evidence that, even for economically developed countries, the income distribution of a nation is an important determinant of its mortality. The results of this study also suggest that the relatively unequal income distribution of the United States is an important contributing factor to its low life expectancy relative to other high-income countries.
Adult↗
Immune responses to tuberculosis in developing countries: implications for new vaccines.
Tuberculosis is out of control in developing countries, where it is killing millions of people every year. In these areas, the present vaccine - Mycobacterium bovis bacillus Calmette-Guérin (BCG) - is failing. Progressive tuberculosis occurs because the potentially protective T helper 1 (T(H)1)-cell response is converted to an immunopathological response that fails to eliminate the bacteria. Here, we discuss the data indicating that the problem in developing countries is not a lack of adequate T(H)1-cell responses but, instead, an exaggerated tendency to switch to immunopathological responses. We propose that a successful vaccine needs to block this immunopathology, because it is not the quantity of T(H)1-cell activity that matters but, rather, its context.
Antibodies, Bacterial↗
Extending urban services in developing countries: policy options and organizational choices.
Governments in developing countries will face serious problems in extending basic social services, public facilities, and infrastructure for their rapidly growing urban populations during the next decade. The steadily increasing concentration of the poor in cities will exacerbate already severe strains on urban services. Innovative solutions will be needed to meet the growing demands for urban services. In addition to expanding national and municipal efforts, governments in developing countries must also explore alternative policies and organizational arrangements for meeting the basic needs of their urban population. Among the potential alternatives are: using market surrogates to improve service delivery; lowering the costs of service provision through changes in regulations and controls on urban development; actively supporting self-help and service upgrading schemes by the poor; promoting public-private cooperation and private sector participation in service delivery; increasing effective demand for services by promoting employment and higher incomes; and enacting and implementing policies that attempt to redistribute migration to small and intermediate-sized cities. Each alternative has advantages and limitations that planners and policy-makers must take into consideration in forging effective urban development strategies.
Demography↗
Benchmarking progress in tackling the challenges of intellectual property, and access to medicines in developing countries.
The impact of intellectual property protection in the pharmaceutical sector on developing countries has been a central issue in the fierce debate during the past 10 years in a number of international fora, particularly the World Trade Organization (WTO) and WHO. The debate centres on whether the intellectual property system is: (1) providing sufficient incentives for research and development into medicines for diseases that disproportionately affect developing countries; and (2) restricting access to existing medicines for these countries. The Doha Declaration was adopted at WTO in 2001 and the Commission on Intellectual Property, Innovation and Public Health was established at WHO in 2004, but their respective contributions to tackling intellectual property-related challenges are disputed. Objective parameters are needed to measure whether a particular series of actions, events, decisions or processes contribute to progress in this area. This article proposes six possible benchmarks for intellectual property-related challenges with regard to the development of medicines and ensuring access to medicines in developing countries.
Benchmarking↗