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  • Title: Continuous jugular venous oximetry in the neurointensive care unit--a brief review.
    Author: White H, Baker A.
    Journal: Can J Anaesth; 2002; 49(6):623-9. PubMed ID: 12067878.
    Abstract:
    PURPOSE: To describe the technique of continuous jugular venous oxygen saturation (SjVO(2)) monitoring and review its applications in the neurointensive care unit (NICU), with special reference to the management of raised intracranial pressure (ICP) following severe acute brain injury. SOURCE: This narrative review is based on a selection of current literature on SjVO(2) monitoring in conjunction with local experience using this technique. PRINCIPAL FINDINGS: Despite limitations, the use of SjVO(2) monitoring has the potential to impact on patient care in the NICU. The placement of the catheter is relatively simple. Studies have confirmed that abnormalities in cerebral venous oxygen saturation are associated with adverse outcome following traumatic brain injury. There is evidence that SjVO(2) may be a useful adjunct to ICP monitoring of patients with intracranial hypertension. Furthermore, managing cerebral extraction of oxygen in conjunction with cerebral perfusion pressure may result in an improved outcome. Further research in this area is needed. Other indications for SjVO(2) monitoring include subarachnoid hemorrhage, cardiopulmonary bypass and following ischemic stroke. CONCLUSION: In the past, the management of severe acute brain injury was targeted at ICP and perfusion pressure with little consideration for the metabolic requirements of the injured brain. SjVO(2) monitoring is another tool the intensivist can use to obtain information about the global oxygen requirements of the injured brain on a continuous basis. Whether this will impact on care in the long term remains to be seen.
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