[Occult bacteremia in Sótero del Río Hospital: Experience after pneumococcal conjugated vaccine].

Background: Occult bacteremia (OB) is one of the possible diagnoses of children younger than 3 years with fever without source in the emergency room.

Objective: describe OB in the era after introduction of pneumococcal vaccine in Chile.

Patients And Methods: Prospective descriptive review of data of children with possible OB diagnosis, referred from the emergency department between 2010-2013.

[Fever of unknown origin: a challenge for the pediatric infectious diseases specialist].

Introduction: Prolonged febrile syndrome (PFS) is defined as fever 7-10 days, with initial study does not allow etiologic diagnosis.

Objective: To describe the main causes of the PFS and its temporal behavior in Pediatric Infectious Diseases Unit Outpatient Care of Complejo Asistencial Dr. Sótero del Río (CASR).

[Endocarditis caused by Streptococcus pneumoniae in children: case report and review].

Endocarditis caused by Streptococcus pneumoniae in children is an infrequent disease, corresponding to 3-7% of all cases of endocarditis. However, it is highly relevant because of its severity with the possibility of producing valvular ring abscesses and destruction, and high mortality that reaches up to 61% if medical and surgical treatment are not started early in the course of the illness. Over 50% of cases are associated to other sites of infection such as meningitis, pneumonia, sinusitis or mastoiditis.