Benefit of the Oxygen Reserve Index for Control of Success of Preoxygenation in Adults

Johannes Gutenberg University Mainz60 enrolled

Overview

Valuation of the probability for a correct detection of paO2 \< 100 mmHg and paO2 \> 200 mmHg using the Oxygen Reserve Index

As mentioned above

Study Type

OBSERVATIONAL

Enrollment

Conditions

Preoxygenation

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Indication of an elective surgery with invasive arterial blood pressure measurement in awake patients * written informed consent Exclusion Criteria: * Emergency surgery * Patients with expected difficult airway and indication for an awake fiberoptic intubation and therefore no need of preoxygenation * no written informed consent

Locations (1)

Johannes Gutenberg - Universität

Mainz, Rhineland-Palatinate, Germany

Outcomes

Primary Outcomes

Validation of the probability for a correct detection of paO2 < 100 mmHg and paO2 > 200 mmHg using the Oxygen Reserve Index

As mentioned above

Time frame: preoxygenation of 3 minutes

Secondary Outcomes

Patient characteristics

age, sex, weight, pre-existing conditions

Time frame: 48 hours

MAP

mean arterial pressure

Time frame: preoxygenation of 3 minutes

NIRS (Near-infrared spectroscopy)

cerebral O2 saturation in %, rSO2C

Time frame: preoxygenation of 3 minutes

perfusion index

Time frame: preoxygenation of 3 minutes

Data from ClinicalTrials.gov

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