Once the two babies were unconscious the two ress air circuits were exchanged at the level of the three-way stopcock for two pediatric nasal cannulas Figure 2, the oxygen flow rate was brought down to 2 liters and the sevofluorane concentration was maintained at 2.5 % during the rest of the procedure.
Luego de alcanzar inconsciencia en las dos bebés, a la altura de la llave de tres vías se cambian los dos aire ress por dos cánulas de oxígeno nasales pediátricas Figura 2, se disminuye el flujo de oxígeno a 2 litros, y el sevofluorane, al 2,5 %, por el resto del procedimiento.