The Relationship Between Brain Injury Biomarkers in Cerebrospinal Fluid and Blood of Patients After Cardiac Arrest and Prognosis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-01-01

Study Completion Date

2025-05-01

Brief Summary

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This study is a single-center, prospective, observational study. After successful cardiopulmonary resuscitation for patients with cardiac arrest, they will be transferred to the emergency intensive care unit for further standardized targeted temperature management. When evaluating that the patient meets the indications for lumbar puncture and there are no contraindications for lumbar puncture, lumbar puncture examinations will be completed immediately after return of spontaneous circulation (ROSC), at 24 hours of hypothermia, at 72 hours of hypothermia, and after rewarming. Routine cerebrospinal fluid examinations such as cerebrospinal fluid routine, cerebrospinal fluid biochemistry, and cerebrospinal fluid lactate will be sent for inspection. At the same time, 6 ml of cerebrospinal fluid will be retained and stored in a refrigerator at -80°C. After sample collection is completed, enzyme-linked immunosorbent assay (ELISA) will be used to detect markers such as NSE, HCH-L1, NFL, tau, MBP, GFAP, and S100β. While performing the lumbar puncture examination, peripheral blood will be collected. After centrifugation for 10 minutes (4000 revolutions), serum will be retained and stored in a refrigerator at -80°C to complete the examination of the above markers. After 3 months, the patient\'s neurological function prognosis will be followed up according to the Pittsburgh Cerebral Performance Category (CPC) scale.

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Detailed Description

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Conditions

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Cardiac Arrest (CA) Brain Injuries, Acute

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Age ≥ 18 years old.
* Still lack of directive movements after restoration of spontaneous circulation through cardiopulmonary resuscitation.
* Advanced life support and targeted temperature management are carried out within 6 hours after return of spontaneous circulation (ROSC).

Exclusion Criteria

* Patients with contraindications for lumbar puncture (severe cerebral edema indicated by brain imaging, disappearance of basal cisterns or occult intracranial mass lesions, receiving antiplatelet and anticoagulant therapy, and those with coagulation disorders).
* Pregnant patients.
* Patients with concomitant traumatic brain injury, stroke, cerebral hemorrhage and other diseases.
* Patients whose families do not agree to be enrolled.

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No