Normoxic Challenges Utility to Evaluate Blood Loss

N/ATerminatedNCT03194581

Centro Hospitalar do Tâmega e Sousa10 enrolled

Overview

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.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Hemorrhage

Interventions

Cerebral oxygenationDEVICE

Evaluate cerebral oxygenation using normoxic challenges

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Elective surgery * High risk of intraoperative blood loss * General anaesthesia Exclusion Criteria: * Respiratory insufficiency * Ischemic heart disease * Stroke * ASA classification \> 3 * Laparoscopic surgery

Locations (1)

Centro Hospitalar Tâmega e Sousa

Penafiel, Porto District, Portugal

Outcomes

Primary Outcomes

Change in cerebral regional oxygen saturation

Time frame: Before and 3 minutes after normoxic challenges

Data from ClinicalTrials.gov

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