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PubMed1989

Evaluation of three oral rehydration solutions designed for use in developed communities.

One hundred and sixteen children (less than 2 years old) admitted to a London hospital with acute gastroenteritis were randomized to receive either an oral rehydration solution (ORS) with low sodium and high glucose concentration (Na+ 35, glucose 200 mmol/L), an ORS with a high sodium but low glucose concentration (Na+ 60, glucose 111 mmol/L), or an ORS containing glycine and a glucose polymer (Na+ 50, glucose 50, glycine 50 mmol/L). Clinical, biochemical and haematological features of the three groups were similar on admission. Rotavirus was common (31%); the majority of children had minimal dehydration or acid-base disturbance. The clinical outcome, including ORS intake, prevention of dehydration, rehydration, and duration of hospital stay was similar in the three treatment groups. All initial electrolyte abnormalities were corrected; no child developed hypernatraemia or hyponatraemia. At 24 h, the mean serum urea was higher in those who received the ORS containing glycine than in other groups, and it had not fallen significantly since admission. Eighteen per cent of children had carbohydrate intolerance: four children with greater than or equal to 2% reducing substances in their stool had all received ORS with a high glucose content and had numerous watery green stools containing rotavirus. All ORS solutions were safe and effective for rehydration and correction of biochemical abnormalities, however carbohydrate intolerance was more prevalent in children who received the ORS with a high glucose content.

Acid-Base Equilibrium↗
PubMed1976

Dental manpower needs in a developing community: a critical analysis of the West African scene.

Research findings from various countries in West Africa clearly indicate that over 94 per cent of the adult population above 40 years of age suffer from periodontal disease in various degrees of severity. Those living in rural areas in West Africa, where dental health care services are not yet available, suffer more from this common disease. With progressive urbanization and changes in diet and eating habits, consumption of refined sugars is rising steeply (Table II) and dental caries has become a serious problem particularly in children from high socioeconomic homes. In Nigeria, DMF of 4-3 in the female and 3-9 in the male has been reported. There is general paucity of all cadres of dental manpower in all areas in West Africa. Dentist: population ratios range from 1 : 111,000 in Senegal to 1 : 1,935,000 in Tchad Republic (Table I). In Senegal, Ghana and Nigeria, Dental schools have been established and attempts are being made to meet the pressing need for dental manpower by the expansion of existing treatment centres and training institutions and the establishment of new ones (Table IV & V). Emphasis is laid on preventive dental health care programmes and the formal training of dental auxiliary personnel: Dental Therapists, Dental Hygienists, Dental Technicians and Dental Surgery Assistants, is taking place in Nigeria and Senegal. Dental Nurses/Therapists and Dental Hygienists if adequately trained in sufficient numbers can play an all-important role in the delivery of dental care and the execution of preventive programmes in the vast rural areas in the developing countries of West Africa with a population of over 122 million people.

Adolescent↗
PubMedDate not supplied

Recent developments in the nutritional management of diarrhoea. 3. Practical approaches towards dietary management of acute diarrhoea in developing communities.

Diarrhoeal diseases are a major cause of malnutrition, partly due to poor dietary practices. Misconceptions among the general population and medical personnel lead to withholding of food or avoiding the use of nutritious, locally available and affordable foods. Breast-feeding should not be interrupted during diarrhoea. Many recent studies have shown that when cow's milk is used, full-strength milk should be fed throughout the disease and in convalescence. The concept of diluting milk with water should be altogether avoided. If necessary, full-strength milk should be mixed with equal amounts of other foods. Other recent studies have shown that several diets based on local staples are excellent choices for the dietary management of diarrhoea. An all-vegetable diet commonly eaten in Guatemala produced a sharp decrease in the duration of acute diarrhoea (median duration after feeding began: 1.8 d) and its macronutrients were reasonably well absorbed. Practical recommendations are given, including nutritional, physiological, cultural and economic considerations.

Acute Disease↗
PubMed1989

Intestinal permeability assessed with polyethylene glycols in children with diarrhea due to rotavirus and common bacterial pathogens in a developing community.

Intestinal permeability was assessed with different-sized polyethylene glycols (PEG 400 and PEG 1,000) in small children with acute diarrhea. All children with acute diarrhea absorbed and excreted less PEG of all molecular sizes into the urine when compared with healthy control children (p less than 0.001). Children with acute rotavirus infection excreted significantly less PEG of all sizes than children with Shigella, Salmonella, and enteropathogenic Escherichia coli (EPEC) infection (p less than 0.001-0.01), suggesting a more severe mucosal lesion caused by rotavirus. In patients with severe malnutrition there was also a significant decrease in absorption of PEGs observed. In addition, malnourished patients with rotavirus diarrhea showed a pronounced decrease of PEGs in comparison with well-nourished patients. The ratio between the recovery of a large PEG molecule, 1,074 Da, and a small molecule, 370 Da, was utilized to assess the absorption of large molecules in relation to that of smaller ones. On applying this ratio, it was noted that the intestine in children with Shigella and EPEC infection was relatively more permeable to larger molecules than in healthy controls, while in rotavirus and Salmonella infection it was less permeable to larger molecules. In this study significant differences in the permeability characteristics were observed, suggesting etiology-specific effects on the mucosal barrier.

Child, Preschool↗
PubMed1989

Ethnicity and other characteristics predictive of coronary heart disease in a developing community: principal results of the St James Survey, Trinidad.

A ten-year community survey was undertaken to investigate the high coronary heart disease (CHD) incidence among people of Indian (South Asian) descent in Trinidad, West Indies. Of 2491 individuals aged 35-69 years, 2215 (89%) were examined and 2069 (83%) found to be clinically free of CHD at baseline. After exclusion of 71 of minority ethnic groups, 786 African, 598 Indian, 147 European and 467 adults of Mixed descent were followed for CHD morbidity and mortality. In both sexes, adults of Indian origin had higher prevalence rates of diabetes mellitus, a low concentration of high-density lipoprotein (HDL) cholesterol, and recent abstinence from alcohol than other ethnic groups. Indian men also had larger skinfold thicknesses than other men. In participants free of CHD at entry, the age-adjusted relative risk of a cardiac event believed due to CHD was at least twice as high in Indian men and women as in other ethnic groups. In men, blood pressure, diabetes mellitus and low-density lipoprotein (LDL) cholesterol concentration were positively and independently related to risk of CHD, whereas alcohol consumption and HDL cholesterol concentration were inversely associated with risk after allowing for age and ethnic group. The ethnic contrasts in CHD persisted when these characteristics were taken into account. In the smaller sample of women, only ethnic group was predictive of CHD as defined. The failure of point estimates of risk to explain the high CHD incidence in Indians calls for focus on age of onset of risk and examination of other potential risk factors such as insulin concentration.

Adult↗
PubMed1991

Developing community mental health services for indigenous people of northern Ontario.

Inadequacies of three common models of mental health service delivery have been presented but each of these can contribute to an adequate system if the approach aims at the totality of mental health care. The key to service delivery and the provision of services in the local community by adequately trained and supervised mental health workers familiar with the culture and language and who are involved with other community workers in an inter-agency process. A major and the most important part of the work occurs in this level. This front line work must have the back-up and support of the system which has three roots. The clinical root is that of a support team of professionals, the local nursing station, hospital and the tertiary institutions. The second root is in training and education by recognized courses and other resources and the third in an adequate administration in which the indigenous population has been put in control.

Adolescent↗