60
Participants
Start Date
February 1, 2023
Primary Completion Date
May 6, 2025
Study Completion Date
May 6, 2025
Trendelenburg maneuver (TM)
The investigator will measure changes in velocity time integral (VTI) and stroke volume (SV) during Trendelenburg maneuver (TM) in high-risk surgical patients by trans-thoracic Doppler echo cardiography.
Passive leg raising test
The investigator will measure changes in velocity time integral (VTI) and stroke volume (SV) during Passive leg raising (PLR) test in high-risk surgical patients by trans-thoracic Doppler echo cardiography.
Tanta University Hospitals, Tanta
Tanta University
OTHER