Princípios básicos do ultra-som intracoronário com rádio-frequencia (Histologis virtual) e suas aplicações clínicas na placa vulnerável / Basics intravascular ultrasound with radio-frequency (virtual Histologist) and its clinical applications in vulnerable plaque.

As síndromes coronária agudas constituem a mais frequente causa de morbi-mortalidade dentre as doenças isquêmicas do coração. Sua gênese parece estar intimamente correlacionada com a presença de placas ateroscleróticas vulneráveis, ou seja, placas propensasà instabilização...

[Work in the prison system: a study of correctional officers in Greater Metropolitan Salvador, Brazil]. / Trabalho e cárcere: um estudo com agentes penitenciários da Região Metropolitana de Salvador, Brasil.

A cross-sectional study was conducted to identify possible associations between working conditions and health among correctional officers in Salvador, Bahia, Brazil. The study used a stratified proportional random sample of 311 individuals who answered a non-identifiable self-applied questionnaire. The following results were obtained by logistic regression: (a) psychologically inadequate workplace, insufficient basic work conditions, no leisure time, lack of sports practice, >/=nine years working in the prison system, excessive work hours, >/=48 hours work/week, and inadequate organizational conditions at work were associated with minor psychological disorders; (b) lack of specific training, female gender, >/=48 hours work/week, psychologically inadequate workplace, no leisure time, and lack of sports practice were associated with persistent stress, (c) age >/=45 years, >/=nine years working in the prison system, excessive work hours, lack of sports practice, inadequate basic and organizational work conditions, and minor psychological disorders were associated with health complaints.