Study Stopped
Profissional reasons, not related with the study
Normoxic Challenges Utility to Evaluate Blood Loss
1 other identifier
observational
10
1 country
1
Brief Summary
This study will evaluate the impact of repeated normoxic challenges on cerebral oxygenation as a measure of the effect of blood loss on DO2 during surgical procedures.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Oct 2017
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 12, 2017
CompletedFirst Posted
Study publicly available on registry
June 21, 2017
CompletedStudy Start
First participant enrolled
October 1, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 30, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
September 30, 2018
CompletedMarch 22, 2022
March 1, 2022
12 months
June 12, 2017
March 19, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
Change in cerebral regional oxygen saturation
Before and 3 minutes after normoxic challenges
Interventions
Evaluate cerebral oxygenation using normoxic challenges
Eligibility Criteria
Patients submitted to surgery with high risk of blood loss
You may qualify if:
- Elective surgery
- High risk of intraoperative blood loss
- General anaesthesia
You may not qualify if:
- Respiratory insufficiency
- Ischemic heart disease
- Stroke
- ASA classification \> 3
- Laparoscopic surgery
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Centro Hospitalar Tâmega e Sousa
Penafiel, Porto District, Portugal
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- CASE ONLY
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- MD
Study Record Dates
First Submitted
June 12, 2017
First Posted
June 21, 2017
Study Start
October 1, 2017
Primary Completion
September 30, 2018
Study Completion
September 30, 2018
Last Updated
March 22, 2022
Record last verified: 2022-03