[Influence of the malnutrition-infection binomial in pediatric surgery].

Ecological, biological, psychological, sociological, economic and cultural conditions of the sick child and of his family restrict technical advances of pediatric surgery and must be known by the surgeon. Definition is made of malnutrition, infection, society and culture. Within this trilogy, clinical, paraclinical and experimental observations develop and a description is made as how they act. The interaction of the malnutrition-infection binomial is completely dynamic and characterized by a synergism between both factors.