All PTs were elective and were performed in the critical care unit CCU in a standardized manner using the single-step dilation technique Blue Rhino Kit, Cook Critical Care, Bloomington, IN, USA.
Todas las TP fueron electivas y se realizaron en la unidad de pacientes críticos UPC de manera estandarizada con la técnica de dilatación única Blue Rhino Kit, Cook Critical Care, Bloomington, IN, USA.