69
Participants
Start Date
September 30, 2015
Primary Completion Date
March 31, 2016
Study Completion Date
May 31, 2016
central venous catheterization
"15 cm: The depth of guide wire prior to tissue dilation during central venous catheterization will be 15 cm.~17.5 cm: The depth of guide wire prior to tissue dilation during central venous catheterization will be 17.5 cm.~20 cm: The depth of guide wire prior to tissue dilation during central venous catheterization will be 20 cm."
Seoul National University Boramae Hospital, Seoul
Seoul National University Hospital
OTHER