300
Participants
Start Date
September 10, 2016
Primary Completion Date
January 31, 2020
Study Completion Date
January 31, 2020
Cephalic helmet
An acrylic headgear (length: 27 cm; width: 27 cm; height: 17.5 cm; opening: 17x12 cm) was placed on the patient's head. The helmet was covered with surgical cloth (green or blue) folded into 50x60cm rectangles, leaving the front part open to maintain adequate airflow.
National Council of Science and Technology, Mexico
OTHER
Universidad Autónoma Benito Juárez de Oaxaca
OTHER
Hospital General Dr. Aurelio Valdivieso
OTHER
Centro Medico Nacional La Raza, IMSS
OTHER
Hospital General Regional No. 1 IMSS
OTHER_GOV
Universidad Nacional Autonoma de Mexico
OTHER