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PubMed2004

[Distribution of acute respiratory diseases in Brazil from 1996 to 2001, Brazil].

OBJECTIVE: Acute respiratory diseases -- ARD, mainly pneumonias, are the most important cause of death among children under five years of age and are responsible for severe diseases among people over sixty years of age. This study aims to describe the main epidemiological characteristics of ARD cases notified by healthcare centers. METHODS: ARD patients' records from medical consultations at 100 public health care centers and hospitals were reviewed every week in the period from 1996 to 2001 and data was filled out on a specific form. Data was classified as pneumonia and not pneumonia according to age groups. RESULTS: During this period, 2,050,845 ARD cases were informed. May and June were the months with the largest number of cases. ARDs were more frequent among children aged one to four years old. The latter concentrated about twice the number of cases of other age groups. Pneumonias represented approximately 7.7% of the ARD cases. CONCLUSIONS: The magnitude of ARD numbers may be observed and it should stimulate appropriate diagnosis, early treatment, and prevention, both in regard to the event itself and complications ensuing from it.

Acute Disease↗

PubMed1987

[Action of a molluscacide (Bayluscide-SRB) from the Dynatech R/D Company in lakes of northeastern Brazil--Sergipe, Brazil].

To study the action of molluscicide nine ponds were selected: 3 of them lying in Maruim municipality, 29 km far from north Aracaju, the State capital, and 6 ponds in Itabaianinha municipality, 118 km far from south Aracaju. This study was carried out for 16 months. Environmental parameters observed were those thought to have any influence on the planorbids and/or the molluscicide: water temperature, transparence, salinity, pH, dissolved oxygen, CO2, and the nutrients-phosphorus, nitrogen, potassium and calcium. Plancton microorganisms were also considered to observe Bayluscide action on them. SRB was used in a concentration of 6.25 kg per 1.000 m3 water, to achieve 1.0 ppm Bayluscide concentration according to the producer's instruction in Massachussett-USA.

Animals↗

PubMed2004

[Trends in dental caries rates in schoolchildren 12 and 13 years old in Florianópolis, Santa Catarina, Brazil, 1971-2002, in Florianópolis, Santa Catarina, Brazil].

The goal of this study was to identify dental caries prevalence and severity among all 12 and 13-year-old schoolchildren enrolled in a public school in 2002 and to establish comparisons with the results of studies conducted previously in the same school in 1971 and 1997. A cross-sectional study involving 181 children was performed. Clinical data were collected by one examiner under World Health Organization (WHO) criteria. The examiner had been through calibration training. The project was approved by the Research Ethics Committee of the Federal University in Santa Catarina. The response rate was 93.8%. Intra-examiner agreement, on a tooth-by-tooth basis, was high (Kappa> or =0.73). The prevalence rates for dental caries were 98%, 93.7% or 80.0%, and 57.4% in 1971, 1997, and 2002, respectively. The mean DMF-T index was 9.2 in 1971, 6.2 or 3.0 in 1997, and 1.4 in 2002, taking both ages as a whole. The first value from 1997 was recorded under the Klein & Palmer diagnostic criterion and the second according to the WHO criterion. Between 1971 and 2002 there was a real reduction in caries prevalence and severity among the schoolchildren, even though different diagnostic criteria were used.

Adolescent↗

PubMed2005