Introducción: La COVID-19 es una enfermedad infecciosa causada por el virus SARS-CoV-2, la cual se presenta de forma asintomática en hasta 80 % de los casos a nivel mundial. Objetivo: Caracterizar a los pacientes con evolución asintomática de la COVID-19. Métodos: Se realizó un estudio observa...
Abstract INTRODUCTION: Estimates of the number of individuals infected by severe acute respiratory syndrome coronavirus 2 are important for health planning and establishment of expectations regarding herd immunity. METHODS: Seven testing rounds of a serological survey were conducted at 1-week interval...
OBJECTIVE: Using magnetic resonance imaging, we aimed to assess the presence of silent brain vascular lesions in a sample of apparently healthy elderly individuals who were recruited from an economically disadvantaged urban region (São Paulo, Brazil). We also wished to investigate whether the findings w...
Summary Objective: Vertebral fracture assessment (VFA) is a test technique that can be used to detect asymptomatic vertebral fractures (AVF). It uses dual energy X-ray bsorptiometry (DXA) and can be performed concurrently with bone densitometry. This study aims to assess the prevalence of AVF in patient...