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Monitoring of Cerebral Oxygenation Using Jugular Oximetry in Comatose Patients After Cardiac Arrest

U

University Hospital Ostrava

Status

Completed

Conditions

Cerebral Hypoxic Injury
Cardiac Arrest

Treatments

Other: Jugular bulb catheter
Other: BIS Monitor-guided sedation

Study type

Observational

Funder types

Other

Identifiers

NCT02806778
FNO-KARIM-4

Details and patient eligibility

About

The use of protective ventilation (to maintain normoxia and normocapnia), optimise haemodynamics, diagnose/treat seizures, therapeutic hypotermia etc is recommended for ICU management of patients who have had cardiac arrest and remain in coma after return of spontaneous circulation according to the latest International Guidelines. These actions essentially aim to limit secondary brain injury but despite all therapeutic effort, the cerebral oxygenation may remain inadequate and there is no validated method to avoid such a state in real time.

Full description

The use of protective ventilation (to maintain normoxia and normocapnia), optimize hemodynamics, diagnose/treat seizures, therapeutic hypothermia etc is recommended for ICU management of patients who have had cardiac arrest and remain in a coma after the return of spontaneous circulation according to the latest International Guidelines. These actions essentially aim to limit secondary brain injury but despite all therapeutic effort, the cerebral oxygenation may remain inadequate and there is no validated method to avoid such a state in real time.

The objective of this study is to assess the relationship between jugular venous oximetry and neurological outcome of comatose patients after cardiac arrest, evaluated as per the Cerebral Performance Category scale (CPC). Further, the aim is to clarify relations between biomarkers protein S100B, neuron-specific enolase (NSE) and parameters of jugular oximetry for prognostication. An anticipated total of sixty patients will be enrolled in this non-randomised, single-group, double-blind study.

In the course of the study, the authors have decided to stop using BIS monitoring for sedation management. Reason for this decision was very limited reliability of this technique in unparalyzed patients on ICU (muscle artifacts). New aim of sedation was Richmond Agitation Sedation Scale (RASS) -4 or -5, with avoiding shivering and clinically manifested seizures.

Enrollment

40 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • age 18 or older
  • successful cardiopulmonary resuscitation
  • persistent coma defined as: no eye opening to voice and inability to follow commands

Exclusion criteria

  • pre-existing "do not resuscitate" status
  • severe coexisting systemic disease with a limited life expectancy
  • pregnancy
  • patients who will die within 72 h of the initial cardiac arrest

Trial design

40 participants in 1 patient group

Hypoxic brain injury
Description:
Consecutive out-of-hospital, post-cardiac arrest patients who remain comatose after successful resuscitation, admitted on ICU of University Hospital Ostrava. The patients will undergo BIS monitor-guided sedation and jugular bulb catheterisation.
Treatment:
Other: BIS Monitor-guided sedation
Other: Jugular bulb catheter

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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