Coma Clinical Trial
Official title:
Online Noninvasive Assessment of Human Brain Death and Deep Coma by Near-infrared Spectroscopy With Protocol at Varied Fraction of Inspired O2
Verified date | November 2020 |
Source | Chinese Academy of Medical Sciences |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational [Patient Registry] |
This study aims to assess brain death and deep coma with the self-made near infrared spectroscopy (NIRS) instrument. The investigators used the noninvasive method to monitor the Δ[HbO2] (the concentration changes in oxy-hemoglobin) and Δ[Hb] (the concentration changes in deoxy-hemoglobin) in the region around the forehead of medically evaluated participating patients and healthy subjects. A multiple-phase protocol at varied fraction of inspired O2 were utilized during the assessment.
Status | Not yet recruiting |
Enrollment | 75 |
Est. completion date | December 31, 2022 |
Est. primary completion date | March 31, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 20 Years to 80 Years |
Eligibility | Inclusion Criteria: - Patients who have had brain death or serious brain trauma. - Patients who have deep coma with autonomous respiration according to GCS coma Scale - Healthy people who are interested in optical assessment of hemodynamic parameters Exclusion Criteria: - Patients who are in pregnancy or have plan to conception. - Patients who have vertebra surgery or have plan of surgery. - Patients who are inappropriate to join this trial judged by the radiologists or specialists. - AIDS, Active Hepatitis, Tuberculosis, Syphilis - Patients who regularly take anticoagulants, antiplatelet drugs |
Country | Name | City | State |
---|---|---|---|
China | NIRS assessment for brain death | Tianjin | Tianjin |
Lead Sponsor | Collaborator |
---|---|
Chinese Academy of Medical Sciences |
China,
Pan B, Huang C, Fang X, Huang X, Li T. Noninvasive and sensitive optical assessment of brain death. J Biophotonics. 2019 Mar;12(3):e201800240. doi: 10.1002/jbio.201800240. Epub 2018 Dec 13. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | ?[HbO2] | The changes of oxyhemoglobin concentrations in prefrontal cortex. | 1 day during the whole experiment | |
Primary | ?[Hb] | The changes of deoxyhemoglobin concentrations in prefrontal cortex. | 1 day during the whole experiment | |
Secondary | Heart rate | Heart rate of patient recorded by bed-side physiological monitor. | 1 day during the whole experiment | |
Secondary | Blood pressure | Blood pressure of patient recorded by bed-side physiological monitor. | 1 day during the whole experiment |
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