Capnography in newborns under mechanical ventilation and its relationship with the measurement of CO2 in blood samples Ignacio Sosa, Marcelo Cardetti, Verónica Favareto, Carlos Maure, Esteban Ceballos, Horacio Abona, Franco Martinez, Mariel Gigli, Susana Rodriguez, Augusto Sola

Evaluation of tracheal intubations in a paediatric intensive care unit Laura Butragueño-Laiseca, Laura Torres, Elena O’Campo, Sara de la Mata Navazo, Javier Toledano, Jesús López-Herce, Santiago Mencía

Lung ultrasound as a tool to guide the administration of surfactant in premature neonates J. Rodríguez-Fanjul, C. Balcells Esponera, J. Moreno Hernando, G. Sarquella-Brugada