[Learning styles in medical residents and their professors of a pediatric hospital.].

Background: the learning styles are cognitive, emotional, and psychological characteristics, which function as relatively stable indicators of how teachers and students perceive, interact, and respond to their learning environments. Knowing students' styles allows teachers to have tools to improve medical education. Our objective was to identify learning styles in pediatric residents and professors from a pediatric hospital.

[Lipid profile in healthy newborn infants and its correlation with maternal lipid levels].

Objective: To determine serum levels of lipid, cholesterol, triglycerides and lipoproteins in newborns and their mothers and to know the association between them.

Material And Methods: Blood samples were taken from 200 newborns and from their mothers, and analyzed for lipid, cholesterol, triglyceride and lipoprotein content in an autoanalyzer. Data were analyzed with the Epi Info 6 program.

[The costs of hospital infections in a group of patients in a tertiary-care hospital].

Objective: To know the cost generated by nosocomial infections, to establish the proportion of the total hospital budget used in extra-days of stay, drugs, laboratory and others items used for the treatment.

Methods: We studied 131 nosocomial infections in 82 patients attended in hospital's departments from June to August 1995. We evaluated days of stay, type of infection, episodes per patient, drugs, laboratory, and others items used in the treatment of nosocomial infections.

[Risk factors related to mortality in newborns with stage III necrosing enterocolitis].

Background: The aim of this study was to identify risk factors associated to mortality in newborn stage III necrotizing enterocolitis (NEC III).

Setting: Neonatal Intensive Care Unit (NICU) at the Hospital de Pediatría CMN Siglo XXI IMSS; Mexico City.

Methods: Twenty one clinical records were analyzed.