Low Fresh Gas Flow in Prone Position

Status Completed

Clinical Trial Summary

Low flow anesthesia in the prone position was safe in terms of systemic hemodynamics and did not reduce cerebral oxygenation compared to normal flow.

Clinical Trial Description

Patients were randomly allocated to either low fresh gas flow(LF, 0,5 L/min during maintenance) or normal flow (NF, 2 L/min)) general anesthesia. In both groups, participants were first administered with 100% oxygen at a 4 L/min flow rate. Propofol 2-2,5 mg/kg, rocuronium bromide 0,6 mg/kg, and fentanyl 1 mcg/kg IV were used for anesthesia induction.In the operating room, pulse rate, mean arterial pressure (MAP), peripheral hemoglobin oxygen saturation (spO2), and right and left side regional cerebral oxygen saturation (Masimo's O3 regional oximetry device) were measured before premedication and anesthesia induction, at 10 minutes after endotracheal intubation, at 10 minutes after prone positioning, at 1st, 2nd, 3rd, 4th and 5th hours of operation, before repositioning to supine, after the resumption of supine position and at 5 minutes after extubation. In conclusion, low flow anesthesia in patients undergoing surgery in the prone position did not cause a reduction in cerebral oxygenation compared to normal flow. ;

Study Design

Related Conditions & MeSH terms

Anesthesia

Clinical Trial Details

NCT number	NCT05462327
Study type	Interventional
Source	Prof. Dr. Cemil Tascioglu Education and Research Hospital Organization
Contact
Status	Completed
Phase	N/A
Start date	October 1, 2019
Completion date	March 31, 2020

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