Background: The purified protein derivative (PPD) skin test is the only widely used method
which detects latent tuberculosis infection (LTBI) and is dependent on a normal T cell function…

OBJECTIVE: Tuberculosis (TB) in patients with rheumatoid arthritis (RA) undergoing treatment
with anti-tumor necrosis factor (TNF) agents is commonly the result of reactivation of latent …

Aim The aim of this study was to identify the demographic and clinical features of patients
with ANCA-associated vasculitides (AAVs) in a Peruvian tertiary referral hospital. Methods …

Background: The prevalence of Rheumatoid Arthritis (RA) in some Caucasian and Native
American populations is 0, 5% or more; otherwise, lower prevalence rates have been reported …

Aim To validate the new classification criteria for antineutrophil cytoplasmic antibody–associated
vasculitis in a real-life Peruvian cohort of antineutrophil cytoplasmic antibody–…

Aim The aim of this study was to identify demographic and clinical risk factors for mortality in
patients with antineutrophil cytoplasmic antibodies–associated vasculitides (AAVs) in a …

Objetivos: Evaluar la epidemiología de las Vasculitis Sistémicas Primarias (VSP), Poliangeítis
Microscópica (MPA). Granulomatosis de Wegener (GW), Poliarteritis Nodosa (PAN) y …

Objective: To assess the risk of tuberculosis disease (TB) among patients with rheumatoid
arthritis (RA). Methods: This was a non concurrent longitudinal study in which 2 groups of …

Background: There is lack studies about performance of new criteria set for ANCA-Associated
Vasculitis (AAV) in Latin-America. Objectives: To validate the new classification criteria for …

Material and methods: Forty RA patients and 21 controls were enrolled. Those with an
induration< 5mm were considered as negative and those with≥ 5mm as positive PPD. Disease …