Asunto(s)
Tasa de Natalidad , Malaria/prevención & control , Morbilidad , Mortalidad , Adolescente , Adulto , Anciano , Femenino , Guyana , Humanos , Lactante , Recién Nacido , Malaria/mortalidad , Masculino , Persona de Mediana EdadAsunto(s)
Proteínas Sanguíneas/análisis , Ictericia Neonatal/sangre , alfa-Globulinas/análisis , Ceruloplasmina/análisis , Proteínas Fetales/análisis , Glicoproteínas/sangre , Humanos , Inmunoglobulina A/análisis , Inmunoglobulina G/análisis , Inmunoglobulina M/análisis , Inmunoglobulinas/análisis , Lactante , Recién Nacido , Transferrina/análisisRESUMEN
The population of the sugar estates of the Guyana coastlands was 110 000 in 1966; malaria was eradicated between 1945 and 1951. A study has been made of the pattern of mortality before and after malaria eradication, during the 30-year period from 1937 to 1966.The decline in general mortality has greatly exceeded the fall in mortality specifically related to malaria and has continued for almost 10 years after registration of the last death from malaria. In infants, mortality has been reduced, mainly through a decline in the number of deaths from prematurity and congenital debility that were due mainly to malaria and its sequelae in the expectant mother. In children (1-14 years of age) the decline has resulted from the disappearance of malaria and chronic nephritis as causes of death. In adults, mortality has fallen mainly through the progressive decline in the incidence of a number of diseases not overtly related to malaria: acute and chronic respiratory diseases, chronic nephritis, and the anaemias. Cardiovascular diseases, on the contrary, have shown a tendency to increase since malaria was brought under control.
Asunto(s)
Malaria/prevención & control , Mortalidad , Adolescente , Adulto , Anciano , Anemia/mortalidad , Enfermedades Cardiovasculares/mortalidad , Niño , Preescolar , Femenino , Guyana , Humanos , Lactante , Mortalidad Infantil , Recién Nacido , Malaria/mortalidad , Masculino , Persona de Mediana Edad , Nefritis/mortalidad , Fiebre Paratifoidea/mortalidad , Embarazo , Enfermedades Respiratorias/mortalidad , Fiebre Tifoidea/mortalidadRESUMEN
Malaria and its local vector, Anopheles darlingi, were eradicated from the coastlands and near interior of Guyana by DDT house-spraying in 1945-51. In the remote interior, where 10% of the population live, only partial control could be achieved, owing to the semi-silvatic habits of A. darlingi and the considerable movement of the sparse population; low malaria endemicity persisted in these areas with occasional localized outbreaks. In the south-west the problem was further complicated by the presence of malaria across the frontier.During the years 1961-65, the use of chloroquinized salt was made compulsory over an area of some 109 000 km(2), covering a population of 48 500. Satisfactory results were obtained over 84% of this area within 6 months of the start of the campaign; only four cases of malaria were seen in four years. In the south-west, however, an initially favourable trend was reversed in 1962 with the introduction of a chloroquine-resistant strain of Plasmodium falciparum from Brazil. The situation was brought under control by house-spraying with DDT and interruption of transmission is expected.