Human herpesvirus 8 (HHV-8) is a newly described herpesvirus that is etiologically associated with all forms of Kaposi's sarcoma (KS). Seroepidemiological studies have shown high prevalence rates of HHV-8 antibodies among men who have sex with men (MSM) and AIDS patients, African children, Brazilian Amerindians, and elderly individuals in certain regions of Europe. The aim of the present study was to determine the prevalence of HHV-8 antibodies in healthy children and young adults from different cities in São Paulo State, and in a population at high risk for HHV-8 infection: HIV-negative MSM, and AIDS patients with and without KS. Antibodies to HHV-8 latency-associated nuclear antigen and lytic-phase antigens were detected by immunofluorescence assays. In 643 healthy children and young adults from the general population attending a vaccination program for yellow fever in ten different cities in São Paulo State, the prevalence of HHV-8 antibodies detected by the presence of latent or lytic antigens ranged from 1.0 to 4.1% in the different age groups (mean = 2.5%). In the MSM group, the prevalence was 31/95 (32.6%). In the group of patients with AIDS, the prevalence was 39.2% (51/130) for non-KS patients and 98.7% (77/78) for AIDS patients with the diagnosis of KS confirmed by histopathological examination. We conclude that HHV-8 has a restricted circulation among healthy children and young adults in the general population of São Paulo State and a high prevalence among MSM and AIDS patients.

Objective:To describe the occurrence of immediate transfusion reactions received by the Risk Management Department of Hospital São Paulo. Method: Cross-sectional and retrospective study which analyzed the notification sheets of transfusion reactions that occurred between May 2002 and December 2016 and were included in the Hemovigilance National System. Results: One thousand five hundred and forty-eight transfusion reaction notification sheets were analyzed, all of which concerned immediate reactions associated with packed red blood cells (72.5%). The most frequently reported reaction was febrile non-hemolytic transfusion reaction, and among severe and moderate cases, allergic reaction was the most common. The most frequently reported signs and symptoms were hyperthermia, sudoresis, chills, and skin lesions. No differences were observed regarding gender and age, and 90.7% of reactions occurred in patients with Rh+ factor. Conclusion: This study allowed for a better assessment and understanding of transfusion reactions, which will help to improve the quality of blood circulation and provide greater safety of patients undergoing transfusion therapy.

The levels of stress were high on workdays. Chronological age and years of service influenced the increase in the scores of stress.

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Introdução: Reações transfusionais podem acarretar sérias consequências aos receptores de hemocomponentes. Objetivo: Analisar a proporção de reações adversas quanto ao grau de severidade observado nas transfusões de sangue e identificar os fatores associados à gravidade dos incidentes transfusionais imediatos. Método: Estudo longitudinal retrospectivo de avaliação epidemiológica das reações transfusionais imediatas ocorridas entre 2007-2019 em hospital de ensino. Resultados: Das 332.222 transfusões sanguíneas administradas, foram reportadas 1.448 notificações de reações transfusionais imediatas. A média de incidência de reação transfusional foi de 4,4 por mil/ano. As reações moderadas e graves representam 13,5% do total dos eventos. Hemoglobulina e hematócrito não apresentaram distribuição normal (p ≤ 0,001). Conclusões: A análise dos dados possibilitou avaliar a prática transfusional na instituição, que se mostrou adequada, refletindo os constantes esforços para retroalimentar o Sistema Nacional de Hemovigilância. A gravidade das reações está associada à unidade de internação, sendo mais frequentes as graves nas unidades críticas e semicríticas, porém o estudo demonstrou que não se deve negligenciar as reações leves.

Conflitos de interesse: nada a declarar. ResumoObjetivo: Analisar o perfil dos incidentes transfusionais imediatos notificados em crianças e adolescentes internados em hospital geral de alta complexidade.Métodos: Estudo documental retrospectivo, com análise de 287 Fichas de Notificação, reportando reações transfusionais em crianças e adolescentes de zero a 18 anos de idade, ocorridas no período de janeiro de 2007 e maio de 2021, em

Mostra a preocupação das instituições de saúde frente ao risco ocupacional de contaminação pelo HIV em Centro Obstétrico. Analisa o papel da enfermeira obstétrica e sugere procedimentos para a diminuição do risco de contaminação pessoal no atendimento à parturiente e ao recém-nascido.