Objective: To identify the prevalence of intestinal parasitosis and associated factors in elderly persons resident in the community. Methods: A cross-sectional study was performed involving 236 elderly persons in Aiquara, in the state of Bahia, Brazil, in 2015. Data were collected through a coprological survey and a questionnaire for information relating to sociodemographic characteristics, health and lifestyle. The presence of parasites in stools was verified by the Hoffman method. Results: The prevalence of intestinal parasites among the elderly was 30.5%. Among infected elderly persons, 26.3% had monoparasitism, 3.8% biparasitism and 0.4% polyparasitism. There was a predominance of protozoa (80.8%) over helminths (19.2%). The most prevalent parasites were Entamoeba coli (44.6%); Endolimax nana (21.7%) and Iodamoeba bütschlii (14.5%). In the population studied, the independent variables analyzed were not associated ( p>0.05) with the presence of intestinal parasites. Conclusion: the prevalence of intestinal parasitic infections in elderly people living in the urban area of the municipal region of Aiquara, Bahia, was high and there was no association between intestinal parasites and sociodemographic characteristics, lifestyle or health.

Objectives: to understand the knowledge of critical care nurses about the process of brain death diagnosis. Methods: qualitative study conducted with nurses who work in the Intensive Care Unit. Data were collected through interviews and analyzed based on the Discourse of the Collective Subject technique. Results: as regards the concept of brain death, there was predominance of lack of brain activity. Regarding the procedures to confirm the diagnosis of brain death, the speeches brought up two stages composed of clinical tests and followup protocol. As for the nurses' role in this process, the statements highlight the importance of informing the Intra-Hospital Committee of Organ and Tissue Donation and assisting the donor. Conclusion: participant nurses presented knowledge on the diagnosis of brain death and the role of nurses as part of the multidisciplinary team, revealing the importance of the performance of these professionals for achieving the organ donation and the need for constant improvement. Descriptors: Brain Death; Nursing; Intensive Care Units. Objetivos: compreender o conhecimento de enfermeiros intensivistas acerca do processo de diagnóstico da morte encefálica. Métodos: estudo qualitativo, realizado com enfermeiros que atuam em Unidade de Terapia Intensiva. Dados obtidos por meio de entrevistas e analisados a partir da técnica do Discurso do Sujeito Coletivo. Resultados: acerca da conceituação de morte encefálica, predominou a falta de atividade cerebral; sobre os procedimentos para confirmação do diagnóstico de morte encefálica, os discursos trazem duas etapas compostas por testes clínicos e seguimento de protocolo; a respeito da função do enfermeiro neste processo, o discurso traz a importância de comunicar a Comissão Intra-Hospitalar de Doação de Órgãos e a assistência ao doador. Conclusão: os enfermeiros participantes apresentaram conhecimento sobre o diagnóstico da morte encefálica e o papel do enfermeiro como membro da equipe multiprofissional, demonstrando a importância da atuação deste profissional para efetivação da doação de órgãos e a necessidade de constante aperfeiçoamento.