Leishmaniasis is a neglected tropical disease that continues to pose a serious public health problem. Albeit dogs have long been held as the major reservoirs of Leishmania infantum, the involvement of domestic cats in the zoonotic cycle of visceral leishmaniasis has gained prominence. Here, 240 cats were evaluated by clinical signs and haematological/biochemical changes compatible with leishmaniasis and were diagnosed by serological, molecular, and parasitological techniques. Thus, four cats naturally infected by L. infantum were submitted to xenodiagnosis. A total of 203 females of Lutzomyia longipalpis were subjected to feeding on four cats, with all females completing the blood meal. Parasitological and molecular assays were carried out to evaluate the presence of L. infantum in the sand flies’ midgut. Promastigotes were observed in 10 females (6.5%) that fed on one cat, and L. infantum DNA was detected in 17 (8.4%) females that fed on two cats. Our results strengthen the evidence that naturally infected cats are capable of transmitting L. infantum to sand flies.
Objective:To identify the length of perioperative fasting among patients submitted to gastrointestinal cancer surgeries. Method: Retrospective cohort study, developed by consulting the medical records of 128 patients submitted to gastrointestinal cancer surgeries. Results: The mean of total length of fasting was 107.6 hours. The total length of fasting was significantly associated with the number of symptoms presented before (p=0.000) and after the surgery (p=0.007), the length of hospital stay (p=0.000), blood transfusion (p=0.013), nasogastric tube (p=0.001) and nasojejunal tube (p=0,003), postoperative admission at ICU (p=0.002), postoperative death (p=0.000) and length of preoperative fasting (p=0.000). Conclusion: The length of fasting is associated with complications that affect the quality of the patients' postoperative recovery and nurses' work. The nursing team should be alert to this aspect and being responsible for overseeing the patients' interest, should not permit the unnecessary extension of fasting.
The aim of this study was to compare molecular tests used to diagnose Leishmania spp. in dogs with different stages of infection. Blood and conjunctival swab (CS) samples from dogs classified in four clinical stages were subjected to different PCR protocols (13A/13B, MC1/MC2, LITSR/L5.8S and LEISH-1/LEISH-2 primers). To the study, 22.3% (48/215) of dogs were classified as without clinical signs, 67.5% (145/215) stage I (mild disease), 7.0% (15/215) stage II (moderate disease) and 3.2% (7/215) stage III (severe disease). The results showed that in blood samples, 13A/13B detected a significant higher number of positive dogs in stage I (25/145) and in total (42/215) (p≤0.05). However, when CS samples were tested, no difference was observed (p>0.05). On the other hand, in blood samples, MC1/MC2 detected significantly fewer positive dogs classified as without clinical signs (0/48), in stage I (0/145) and in total (1/215) (p≤0.05). Likewise, in CS samples, this primers showed also lower detection (1/215) (p≤0.05). So than, we can conclude that PCR on blood samples with 13A/13B primers has greater capacity to detect positive dogs, mainly at the initial of clinical disease than do other primers and MC1/MC2 are not a good choice to detect Leishmania infantum infection in dogs.
Many owners believe to act in their pets' best interest by allowing them to go outside, with or without supervision. However, outdoor exposure greatly increases the risk of disease and accidents. In this study, we evaluated the association between infectious and parasitic diseases and the outdoor habits of pet dogs and cats. Epidemiological data were obtained from the records of dogs and cats treated at the Teaching Clinic and Hospital Unit of Veterinary Medicine in the city of Pirassununga, state of São Paulo, Brazil. Pets with any form of infection were included in the case study group, and pets with no infectious or parasitic diseases were used as controls. Animals were further divided according to their habits into indoor animals, indoor animals taken for walks, and outdoor animals. The odds ratio of having a disease was calculated from the comparisons among these groups using the MedCalc Statistical Software. We found an increased risk for the occurrence of infectious or parasitic diseases in outdoor dogs and cats when compared to indoor animals (OR of 4.735) and to those taken for walks (OR of 2.303). In light of our results, we suggest that awareness campaigns should also focus on the benefits of keeping pets indoors. KEY-WORDS:Access to outdoor. Odds ratio. Infection. Canine. Feline. RESUMOMuitos proprietários acreditam agir no melhor interesse de seus animais de estimação permitindo-os o acesso ao ambiente externo, com ou sem supervisão. Entretanto, isso aumenta consideravelmente o risco para a ocorrência de doenças e acidentes. Neste estudo, foi avaliada a associação entre doenças infecciosas e parasitárias com relação aos hábitos semi-domiciliados de cães e gatos. Dados epidemiológicos foram obtidos de arquivo de prontuários de cães e gatos atendidos na Unidade Didática Clínico Hospitalar (UDCH) do curso de Medicina Veterinária da FZEA/USP no município de Pirassununga, estado de São Paulo, Brasil. Animais de estimação que apresentaram doenças infectoparasitárias foram incluídos no grupo de casos; animais sem tais doenças, controles. Os animais foram ainda divididos de acordo em domiciliados, domiciliados frequentemente levados a passeios e semi-domiciliados. A razão de chances para a ocorrência de doenças infecciosas foi calculada a partir da comparação dos grupos supracitados, fazendo uso do software estatístico MedCalc. Encontrou-se um risco aumentado para a ocorrência de doenças infecto-parasitárias em cães e gatos semi-domiciliados quando comparados aos animais domiciliados (OR de 4.735) e quanto aos domiciliados guiados em passeios (OR de 2.303). À luz dos resultados se sugere que campanhas de conscientização foquem também nos benefícios da criação domiciliada de animais de estimação. PALAVRAS-CHAVE:Acesso à rua. Razão de chances. Infecçã o. Caninos. Felinos.
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