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At least 19 recordsLinked to original sources
PubMed1992

Vaccination coverage before and after primary health care implementation and trend of target diseases in Al Hassa, Saudi Arabia.

There were two objectives of this study. The first was to determine the impact of vaccination coverage in the first year of life on the trend of the expanded program of immunization (EPI) target diseases in Al Hassa. The second was to determine the impact of primary health care (PHC) implementation in Al Hassa on vaccination coverage. A correlation matrex was computed for all the variables to determine the correlation between vaccination coverage by type of vaccine and reported cases of EPI target diseases. A negative correlation was noticed between Bacillus Calmette Guerin (BCG), Oral Polio Vaccine (OPV), Diphtheria, Pertussis and Tetanus (DPT) and measles vaccine and reported cases of corresponding diseases. This negative correlation was significant (P = 0.043) between measles vaccine and reported measles cases. The average vaccination coverage in the first year of life based on the total number of births significantly increased in 1988 and 1989 compared to the preceding four years (P < 0.01). It is concluded that with increased vaccination coverage in the first year of life against EPI target diseases, the number of reported corresponding diseases decreased, and that PHC implementation improved the vaccination coverage in Al Hassa.

Communicable Diseases↗
PubMed1988

Vaccination strategies in developing countries.

By 1990 it is hoped that all of the world's infants will have access to immunization services and that these services will then continue indefinitely. The link between people and health services, including immunization, can only be forged and maintained by an effective system of delivery and support to all health workers. A careful choice of strategies for this delivery system and an understanding of local cultural attitudes and behaviour is vital if this link is to be effective. Health workers will have to be trained and then supported in the field by regular contact with their supervisors. They will also need continuous, reliable, predictable and adequate supplies of equipment, drugs, vaccines, fuel and money, including salaries. Immunization is cost effective as a health intervention, but an effective programme of immunization can contribute much more than just vaccines, if it is developed in the context of primary health care (PHC) as originally proposed in 1978 at the conference in Alma Ata.

Child, Preschool↗
PubMed1991

[Vaccines and developing countries].

Infectious diseases are the main cause of mortality and morbidity in developing countries. The Expanded Programme on Immunization, initiated by WHO in 1974, now reaches 60 mill. a year at a cost of less than 2 US $ per immunized child, and saves 2.2 mill. lives annually. The present vaccines, however, have significant shortcomings. Measles vaccine is given too late to prevent the large number of deaths occurring in the first year of life. Attenuated polio vaccine has to be given three times and inherits the risk of "vaccine palsy" and revertion to virulence. Tetanus vaccine given to children does not prevent neonatal tetanus, the main cause of tetanus casualties. BCG does not control spread of tuberculosis. Vaccines given parenterally involve some risk of spread of HIV, and some potentially useful vaccines are too expensive for developing countries. By only modest investments modern gene technology could give improved and new vaccines which would potentially save 20 mill. lives a year. Particularly promising is the recent development of multi-vaccine-vectors. However, poor prospects for profit in developing countries and patent "swapping" by commercial producers severely hamper development in the vaccine field.

Developing Countries↗
PubMed1992

Birth kits for safe motherhood in Bangladesh.

Tetanus infection remains the leading cause of high neonatal mortality in Bangladesh. Birth kits which instruct and assist in a clean, safe birth are seen as a key measure in reducing the high incidence of neonatal deaths. A multisectoral programme has developed a simple kit and tested its potential for distribution to pregnant women. Initial results are positive and development is continuing.

Adult↗
PubMed1991

A reassessment of risk factors for neonatal tetanus.

A hospital-based case-control study was conducted to further examine the risk factors for neonatal tetanus (NNT) in the North-west Frontier Province of Pakistan. Three control infants were concurrently evaluated for each of 102 consecutively diagnosed NNT cases hospitalized over an 8-week period. Application of clarified butter (ghee) during the first few days of life was shown to be a significant risk factor, confirming our previously reported finding. However, the risk appeared to be limited to ghee made in the home from cow's milk. The tool used to cut the umbilical cord was again refuted to be a risk factor; application of topical antibiotics conferred significant protection. Multivariate analysis of the matched data showed that delivery by persons with academic training (physicians, nurses, and lady health visitors) was also protective. Mothers with a past history of NNT babies were shown to have a significantly increased risk, and accounted for more than one-third of all cases in the present study. The findings suggest possible ways to augment the effectiveness of NNT elimination programmes.

Butter↗
PubMed1991

Traditional birth attendants in an endemic area of tetanus neonatorum in Thailand: pitfalls in the control program.

A survey of the characteristics of traditional birth attendants in Krabi Province, Thailand, where the incidence rate of tetanus neonatorum was the highest in the country, was conducted in order to obtain background information necessary for planning a training curriculum and to evaluate previous training courses. Five second year medical students were used as research assistants. After the questionnaire was constructed and tested, the students went to visit a sample of 116 traditional birth attendants (TBAs) to interview them about their personal backgrounds, techniques and practices in delivery and beliefs and attitudes towards midwifery. The study revealed that these TBAs were a mixture of Buddhist and Islamic females whose literacy rate was 53 percent. Ninety-one per cent knew about the availability of an injection for antenatal care at the health center, but only about half knew that it was for tetanus prevention. More than half provided antenatal care at their own home but 85 per cent conducted delivery at the client's home. About eighty per cent of the TBAs claimed that sterilization of instruments was performed. However, dressing of the umbilical cord was done inappropriately using various kinds of powders by about 40 per cent. The majority of TBAs had experience with complicated labors but only 30 per cent were referred, perhaps, due to excessive self-confidence and supernatural beliefs. The trained TBAs possessed a higher level of knowledge of immunization and sterile techniques for cord cutting and dressing of the stumps of the umbilical cord than the untrained group. However, knowledge of sterilization of instruments was not significantly different, indicating a need to improve teaching in this area.(ABSTRACT TRUNCATED AT 250 WORDS)

Asepsis↗
PubMed1984

Neonatal tetanus: mode of infection, prevalence, and prevention in southern Sudan.

Neonatal tetanus affects 1 in every 82 and kills 1 in every 110 infants born in the town of Juba, southern Sudan. It is also an important cause of death in adult life both in southern Sudan and in many other regions of the developing world. One vehicle of infection could be the fine string-like roots used to tie the cord. To prevent neonatal tetanus governments and aid-giving agencies should distribute to women and midwives kits containing a sterile blade, a sterile ligature, two or three sterile adhesive dressings for the umbilical stump, and two or three sterile swabs.

Clostridium tetani↗
PubMed1988

Risk of sudden infant death syndrome after immunization with the diphtheria-tetanus-pertussis vaccine.

To evaluate recent immunization against diphtheria, tetanus, and pertussis (DTP) as a possible risk factor for sudden infant death syndrome (SIDS), we studied the rates of SIDS after the administration of DTP vaccine in a cohort of 129,834 children who were born in four urban Tennessee counties during the period from 1974 through 1984. All the children received at least one DTP immunization in the first year of life at county health-department clinics or from Medicaid providers. Computerized immunization records from these sources were linked with Tennessee birth and death certificates to establish the cohort, ascertain the timing of immunization, and identify cases of SIDS. These children represented 42 percent of the births in the four counties. Among these children, 204 deaths occurred at the ages of 29 to 365 days; 109 deaths were classified as due to SIDS. We estimated the risk of SIDS according to the length of time, up to 30 days, since DTP immunization and compared it with the risk 31 days or more after immunization to calculate the relative risk. With control for age, the relative risk from 0 to 3 days after DTP immunization was 0.18 (95 percent confidence interval, 0.04 to 0.8); from 4 to 7 days, 0.17 (95 percent confidence interval, 0.04 to 0.7); from 8 to 14 days, 0.75 (95 percent confidence interval, 0.4 to 1.5); and from 15 to 30 days, 1.0 (95 percent confidence interval, 0.6 to 1.6). A multivariate analysis in which we controlled for age, sex, race, year, birth weight, and Medicaid enrollment, produced similar results. We conclude that in this large population of children there was no increase in the risk of SIDS after immunization with the DTP vaccine.

Analysis of Variance↗
PubMed1994

Placental transfer of tetanus toxoid antibodies in Nigerian mothers.

The aim of this study was to assess the efficacy of the tetanus toxoid immunization programme in Nigeria, specifically the placental transfer of antibody to newborn Nigerian babies. Tetanus toxoid antibody levels were measured in 39 mother-baby pairs in Ibadan, Nigeria and compared with 78 British mother-baby pairs. Geometric means of the ratios of cord/mother (sequestration index SI) were 0.776 for Nigerian pairs and 1.306 for British pairs, indicating a limitation in the placental transfer of tetanus toxoid in the Nigerian population. These findings confirm that there is a block in the placental transfer of anti-tetanus toxoid antibodies in African populations which will affect current immunization programmes and requires further investigation.

Antibodies, Bacterial↗
PubMed1992

Progress towards the global elimination of neonatal tetanus.

Neonatal tetanus (NT) can be effectively prevented through immunization and clean delivery practices. However, NT claimed the lives of over 433,000 infants in 1991. It is endemic in 90 countries throughout the world. Community-based neonatal tetanus mortality surveys helped to determine the true incidence of NT and revealed that, before immunization and clean delivery programmes were well established, approximately 1 million children contracted NT each year, of which 800,000 died. Mortality rates varied markedly by locale, ranging from 0 to 70 NT deaths per 1,000 live births. NT is still one of the most underreported notifiable diseases, and routine reporting systems identified only 4% of the NT cases estimated to have occurred in 1990. Based on WHO estimates, tetanus toxoid (TT) immunization and clean delivery practices prevented over 793,000 infant deaths in 1991. Of the 433,000 infants who died of NT that year, approximately 212,000 died in South-East Asia; 127,000 in Africa; 46,000 in the Western Pacific; 37,000 in the Eastern Mediterranean; and 1,300 in Europe. The Pan American Health Organization, using a separate methodology to estimate mortality, calculated that 10,500 newborns died of NT in the Region of the Americans. NT consistently clusters in geographical areas and population groups where shared practices or the environment enhance the risk of cord contamination. 80% of the newborns who died of NT in 1991 were born in South-East Asia or Africa. Of the 90 countries endemic for NT, 10% produce 80% of the world's NT deaths. NT also clusters at country level.(ABSTRACT TRUNCATED AT 250 WORDS)

Delivery, Obstetric↗