Trial Outcomes & Findings for The Effect of Ventilation on Cerebral Oxygenation in the Sitting Position (NCT NCT01546636)

NCT ID: NCT01546636

Last Updated: 2019-09-30

Results Overview

Cerebral desaturation events were measured with near-infrared spectroscopy

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

70 participants

Primary outcome timeframe

Intraoperative-first 2 hours

Results posted on

2019-09-30

Participant Flow

A total of 70 patients presenting for elective shoulder surgery at NorthShore University HealthSystem were enrolled in the clinical trial.

All enrolled participants completed the study, and complete data was collected on all subjects.

Participant milestones

Participant milestones
Measure
Hypocapnic Group
Patients will be ventilated to an ETCO2 of 30-32 mm Hg.
Normocapnic Group
Patients will be ventilated to an ETCO2 of 40-42 mm Hg
Overall Study
STARTED
36
34
Overall Study
COMPLETED
36
34
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Effect of Ventilation on Cerebral Oxygenation in the Sitting Position

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Hypocapnic Group
n=36 Participants
Patients will be ventilated to an ETCO2 of 30-32 mm Hg.
Normocapnic Group
n=34 Participants
Patients will be ventilated to an ETCO2 of 40-42 mm Hg
Total
n=70 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
31 Participants
n=5 Participants
30 Participants
n=7 Participants
61 Participants
n=5 Participants
Age, Categorical
>=65 years
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
Age, Continuous
52.3 years
STANDARD_DEVIATION 13.8 • n=5 Participants
54.7 years
STANDARD_DEVIATION 12.4 • n=7 Participants
53.3 years
STANDARD_DEVIATION 12.8 • n=5 Participants
Sex: Female, Male
Female
26 Participants
n=5 Participants
24 Participants
n=7 Participants
50 Participants
n=5 Participants
Sex: Female, Male
Male
10 Participants
n=5 Participants
10 Participants
n=7 Participants
20 Participants
n=5 Participants
Region of Enrollment
United States
36 participants
n=5 Participants
34 participants
n=7 Participants
70 participants
n=5 Participants

PRIMARY outcome

Timeframe: Intraoperative-first 2 hours

Cerebral desaturation events were measured with near-infrared spectroscopy

Outcome measures

Outcome measures
Measure
Hypocapnic Group
n=36 Participants
Patients will be ventilated to an ETCO2 of 30-32 mm Hg.
Normocapnic Group
n=34 Participants
Patients will be ventilated to an ETCO2 of 40-42 mm Hg
Incidence of Cerebral Desaturation Events
19 number of events
3 number of events

SECONDARY outcome

Timeframe: Postanesthesia care unit-first 2 hours

Assessed by recovery nurses

Outcome measures

Outcome measures
Measure
Hypocapnic Group
n=36 Participants
Patients will be ventilated to an ETCO2 of 30-32 mm Hg.
Normocapnic Group
n=34 Participants
Patients will be ventilated to an ETCO2 of 40-42 mm Hg
Number of Patients Experiencing Nausea and Vomiting
12 participants
3 participants

SECONDARY outcome

Timeframe: Approximately 5 hours

Outcome measures

Outcome measures
Measure
Hypocapnic Group
n=36 Participants
Patients will be ventilated to an ETCO2 of 30-32 mm Hg.
Normocapnic Group
n=34 Participants
Patients will be ventilated to an ETCO2 of 40-42 mm Hg
Postanesthesia Care Unit Length of Stay (Total Time)
81.5 minutes
Interval 23.0 to 267.0
69 minutes
Interval 19.0 to 133.0

Adverse Events

Hypocapnic Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Normocapnic Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Glenn Murphy, MD, Director of Clinical Research

NorthShore University HealthSystem

Phone: 847-570-2760

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place