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Atlanta, Georgia 30322


Purpose:

The purpose of this study is to determine if higher levels of bilirubin in the blood of people with liver disease affects how accurate a pulse oximeter machine is able to measure the concentration of oxygen in the blood. Previous studies have reported conflicting results regarding the affect of high levels of bilirubin in the blood on the accuracy of the pulse oximeter reading. Initial studies showed an underestimation of the oxygen concentration in the presence of elevated bilirubin. Subsequent studies have suggested that high levels of bilirubin in the blood do not influence the accuracy of the pulse oximeter machine. However, recent reports in bone marrow transplant literature and our personal observations in patients with liver disease suggest that high bilirubin levels are associated with an overestimation of the oxygen concentration as measured by the pulse oximeter machine.


Criteria:

Inclusion Criteria: - Patients with established liver disease or dysfunction, as determined by abnormal liver function tests, imaging, or biopsy Exclusion Criteria: - Patients with unconjugated hyperbilirubinemia, which could be associated with elevations in carboxyhemoglobin - Patients with poor peripheral perfusion that would compromise accurate pulse oximetric determination


NCT ID:

NCT00741117


Primary Contact:

Principal Investigator
Ram Subramanian, MD
Emory University


Backup Contact:

N/A


Location Contact:

Atlanta, Georgia 30322
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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