Clinical Trial of Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) Oxygen in Women having Planned Caesarean Delivery. Cohort study investigating the efficacy of THRIVE pre-oxygenation using pre-determined number of vital capacity breaths and comparing the efficacy to face mask pre-oxygenation. Aimed to recruit ASA 1-2 term pregnant women having elective caesarean section.
Study Type
OBSERVATIONAL
Enrollment
20
Clinical Trial of Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) Oxygen in Women having Planned Caesarean Delivery
UCLH
London, United Kingdom
Number of vital capacity breaths required using THRIVE to pre-oxygenate 90% of parturients to an end tidal oxygen concentration of ≥90% (EN90). End tidal oxygen concentration >= 0.9
measure end tidal oxygen concentration through breathing system attached to anaesthetic machine
Time frame: 8 months study period
EN90 using THRIVE with mouth open versus mouth closed
to measure any difference in end tidal oxygen concentration after using THRIVE mouth closed versus THRIVE mouth open
Time frame: 8 months study period
comfort score of THRIVE
using 4-point Likert scale (1 being very uncomfortable- 4 comfortable)
Time frame: 8 months study period
changes in fetal wellbeing during pre-oxygenation time
using fetal cardiotocography
Time frame: 8 months study period
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