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[Training for diagnosis of intestinal parasitic diseases in the national laboratory system of Cuba].

A national training project in the diagnosis of intestinal parasites was conducted in 1997. An initial national course was followed respectively by courses in the Central, Eastern, and Western Provinces. Our results showed that Cryptosporidium parvum, Cyclospora cayetanensis, and leukocytes showed a significantly lower percentage of errors after the training than before (p < 0.01). The same occurred with Entamoeba histolytica/E. dispar and Chilomastix mesnilii (p < 0.05). Among the helminths, Taenia spp., Fasciola hepatica, and hookworm showed significantly fewer errors after the training (p < 0.01). In the other specimens, few mistakes were found both at the beginning and after the training, and the percentage of errors did not change (p > 0.05). Furthermore, when comparing scores before and after training, a significant increase in median scores appeared in the Central Provinces (p < 0.05), Western Provinces (p < 0.01), and in the entire series (p < 0.01). The results showed the effectiveness of this intervention; these periodic mandatory training courses should be developed together with national programs for quality assessment in Parasitology.

Cuba↗
PubMed2003

[Risk factors for Giardia lamblia infection in children in daycare centers in Havana, Cuba].

We conducted a longitudinal study on giardiasis in three daycare centers in Havana City for a period of 18 months and described a group of children with a "predisposition" or tendency towards re-infection with Giardia lamblia. This group was found to be more frequently associated with clinical symptoms such as diarrhea. A case-control study was designed to determine whether socioeconomic factors and hygiene were associated with this phenomenon. We found no differences between the groups with regard to overcrowding rates, number of persons per bed, absence of certain electric appliances, mother's schooling, or mean family income. However, there were proportionally more fathers with less than complete secondary education among cases as compared to controls. In addition, we found no differences in lack of hand-washing before eating and after defecation; however, we found a higher percentage of families who washed vegetables insufficiently among predisposed children. Finally, a lower percentage of families with predisposed children boiled their water. Our results demonstrate the important role of water as a vehicle for transmission of giardiasis and the importance of various epidemiologic factors.

Animals↗
PubMed2000

[Quality of drinking water and diarrheal diseases in Cuba, 1996-1997].

A study was conducted in 1996 and 1997 in 31 Cuban cities having a population greater than 35,000, in order to determine if there was a relationship between drinking water quality and the frequency of acute diarrheal diseases (ADD). We used the level of disinfection (based on chlorine concentration) as well as the level of bacterial contamination (based on the presence of coliform bacteria) as water quality indicators, and the frequency of ADD was calculated on the basis of the number of visits (per 100,000 inhabitants) to individual family physicians and to physicians on call in hospitals and polyclinics that were prompted by ADD. Weekly determinations of chlorine concentrations and monthly measurements of bacterial contamination were performed by taking daily water samples at 2,045 key sites along the water distribution channels in the cities included in the study. In 1996 and 1997, the percentages of samples with good chlorination (residual chlorine > or = 0.3 mg/L) for the entire country were 72.4% and 74.8%, respectively, whereas the percentages of samples with little bacterial contamination (most probable number [MPN] of fecal coliform bacteria < or = 9.2/100 mL) were 87.0% and 76.5%, respectively. Logistic regression revealed, at the local level, an inverse correlation between each of these percentages and the number of medical consultations for ADD (per 100,000 inhabitants), although it was not statistically significant. These results allowed the authors to stratify the cities included in the study according to their different levels of risk for ADD: high risk (23 cities), moderate risk (8 cities), and low risk (0 cities).

Chlorine↗
PubMed1986

Health education in Cuba: a preface.

Critics of health education policy in the United States fault it for ignoring the unequal ability of Americans to adopt more healthy behavior and for underestimating the social, economic, and political causes of disease. Many critics hypothesize that health education in a less bourgeois society would be more equitable and less individualistic. This article tests that hypothesis by analyzing the current Cuban health education program aimed at the reduction of chronic diseases. It argues that while the Cuban program appears to be every bit as individualistic as the North American program, theirs may not be comparable to ours because Cubans are less likely than Americans to reify the state. At least among supporters of the revolution, Cubans do not automatically make a conceptual distinction between the individual and the society. Discussions about responsibility for disease prevention take on new meaning in this light.

Accidents, Traffic↗