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Biomedical subjects

J Guerrero

Publications and source records attributed to J Guerrero.

At least 91 records · Page 5Linked to original sources
PubMed1978

[Pancreatic lipomatous hypoplasia associated with skeleton anomalies. Shwachman's syndrome (author's transl)].

A five month old girl with exocrine pancreatic insufficiency, skeletal deformities and a non constant neutropenia (Shwachman's syndrome) is presented. Infectious complications, mainly septic and pulmonary, which caused her death, were frequent. The pathologic findings showed a pancreatic lipomatous hypoplasia and absence of zymogen granulos, as well as anomalies of the growing cartilage where no radiological abnormalities could be seen.

Abnormalities, Multiple↗
PubMed1978

[Hyperglycemia in hypertonic dehydration (author's transl)].

Fourteen patients who developed hyperglycemia with hypertonic dehydration are reviewed, and compared to a control group of twenty-four dehydrated infants without hyperglycemia. The threshold of hyperglycemia was considered at 125 mg. %. The relationship between hyperglycemia and degree of formula concentration, incidence of shock and water and solute metabolism chemistry are analysed. The different theories about hyperglycemia in the course of hypertonic dehydration are discussed. Because of the negativity of other factors, authors suggest that the most important factor in hyperglycemia may be the ionic alteration of the cell.

Dehydration↗
PubMedDate not supplied

[Feeding pattern of Triatoma rubrovaria (Blanchard, 1843) (Hemiptera, Triatominae) in peridomiciliary habitats, of a rural area of Uruguay].

It has been studied the feeding patterns of Triatoma rubrovaria (wild triatominae bug, and intradomiciliary secondary vector of T. cruzi) in a rural area of "La Bolsa" (Department of Artigas). Agar double diffusion test were used for analyze the blood meal, from 120 insects, which were confronted to 13 antisera. It has 251 identify blood meals, and the most frequently was mammalian host (73%), but it has a variable source of feeding (mammals, birds, reptiles and cockroach), including humans rate 8% of the total. The identify of haemolimphe as feed, place this triatominae bug as an intermediary vector between predator and haematophagous. The most usual mammals are dasypodides and bovines. The frequence of human blood meal near the dwellings, shows its potentiality as vectors. Therefore, the peridomicile is an area of interaction between, domestic, wild and sinantropic host. The trypanosomic infection's rate at peridomiciles was lesser those at wild areas.

Animals↗
PubMedDate not supplied

Ecology of Triatoma rubrovaria (Hemiptera, Triatominae) in wild and peridomestic environments of Uruguay.

This paper describes population structure, spatial distribution and habitat selection of wild and peridomestic populations of Triatoma rubrovaria (Blanchard, 1843). Field studies were carried out at Las Piedras and La Bolsa in the Northern Department of Artigas, Uruguay. A semicircular sampling area, divided in seven or eight triangular sectors was sequentially examined from October 1990 to November 1991. At Las Piedras (typical wild habitat) 1063 T. rubrovaria bugs were collected from 84% of the rocky outcroops ("pedregales"). Abundance varied by season peaking in October-November (spring). Throughout the year, most of the population was made up of third, fourth and fifth instar nymphs; adults were found from October to March. In the peridomestic environment of La Bolsa, however T. rubrovaria was less common and showed a more irregular instar distribution. Colonized ecotopes, were those close to houses. In both sites T. rubrovaria was mainly associated with the geckonid Homonota uruguayensis and the cockroach Blaptica dubia.

Animals↗
PubMedDate not supplied

Description of the occurrence of canine dirofilariasis in the State of Rio de Janeiro, Brazil.

In order to evaluate the prevalence of canine heartworm in the State of Rio de Janeiro, a multicenter survey was carried out in two phases. The survey involved 1376 dogs from two cities: Rio de Janeiro and Niterói, and its surroundings, including the eastern shore and mountain resorts, which were further divided into sections. In the first phase, 795 dog blood samples were examined by the modified Knott test for the detection of microfilariae. A total of 134 samples (16.85%) were microfilaremic: 8.61% from Rio de Janeiro, 21.76% from Niterói and its surroundings, 33.33% from the eastern shore and 30.43% from the mountain resorts. In the second phase, 595 dog blood samples were examined first by the modified Knott test and the amicrofilaremic samples were subsequently examined by an immunoenzymatic test (ELISA) for antigen detection. In summary, 83 samples (13.95%) were microfilaremic and 44 (7.98%) of the amicrofilaremic samples were positive for heartworm antigen (occult infections). In Rio de Janeiro, 13.68% of the dogs were infected (i.e., antigen- and/or microfilaria-positive) and 8.51% of the dogs had microfilaremic infections. In comparison, Niterói and its surroundings showed values of 24.46% and 17.30% and the eastern shore showed values of 52.46% and 31.15%. In contrast the mountain resorts showed 20% microfilaremic only.

Aedes↗
PubMedDate not supplied

[Purpura fulminans].

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Adrenal Cortex Hormones↗