[Strategies of planned physical activity in autism: systematic review].

Objective: To identify the strategies used in the development of planned and scientifically documented physical activity, as well as the results achieved with those interventions in children with Autism Spectrum Disorder (ASD).

Methods: Systematic analysis of scientific articles regarding the use of physical activity as a therapeutic tool for children with ASD. Articles published between 2006 and 2016 were included in the review.

Severe infections in patients with autoimmune diseases treated with cyclophosphamide.

Introduction: Infectious diseases are a significant cause of morbidity and mortality in patients with connective tissue diseases. Corticosteroids and immunosuppressive drugs, such as cyclophosphamide (CYC), increases the risk of infections. The objective of this study was to estimate the incidence rates of severe infections in patients who received treatment with CYC.

Increase in urinary purines and pyrimidines in patients with methylmalonic aciduria combined with homocystinuria.

Background: Methylmalonic aciduria combined with homocystinuria (MMA-HC) is the biochemical trait of a metabolic disorder resulting from impaired conversion of dietary cobalamin (cbl, or vitamin B12) to its two metabolically active forms. Effects on urinary purine and pyrimidine levels have not been described for this condition.

Methods: Urine samples were collected from three patients with methylmalonic aciduria combined with homocystinuria and from 70 healthy subjects.

[Analysis of children with a presumptive diagnosis of toxocariasis in Santa Fe, Argentina].

Human toxocariasis is a parasitic disease found worldwide. The most important etiological agent is Toxocara canis, a dog parasite. Humans are infected by the ingestion of their eggs; the eggs hatch in the small intestine and the larvae migrate through the capillaries, taking up residence in different tissues.