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UND Student Presentations - PowerPoint Presentation
 

UND Student Presentations - PowerPoint Presentation

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  • **General anesthesia requires pharmacological agents to have a profound affect on all of the major physiological systems of the body, particularly the brain and central nervous system (CNS). Transcranial doppler ultrasonography: placed over cerebral artery; Measures velocity of blood flow; Detects emboli size and frequency EEG: measures functional ability of brain, Detects seizure focus & type, metabolism changes, and may identify ischemic events Postoperative cognitive dysfunction following cardiac surgery has been associated with prolonged hospital stays, increased cost, and impairment in the quality of life for many patients.
  • The low intensity light passes through the skull into the dura mater and the cerebrospinal fluid (CSF). This light will reflect through mostly gray matter into venous blood supply.
  • greater the separation of source and detector, the greater the average depth of penetration. Somanetics Cerebral Oximeter uses two source-detector spacings: a "near" (shallow) spacing of 3 cm and a "far" (deep) spacing of 4 cm. Both sample about equally the shallow layers in the tissue volumes directly under the light sources and detectors, but the far spacing "sees" deeper than the near spacing. Subtraction of some of the near signals from the far theoretically should leave a signal originating predominantly in the brain cortex.
  • The project was based on a comprehensive review of literature providing information about the pathophysiology of preeclampsia, advantages & disadvantages of spinal & epidural anesthesia & analgesia techniques, and interventions necessary to promote patient safety, satisfaction, & overall well-being during anesthetic management of preeclamptic patients during labor & delivery.
  • Research based journal articles about regional analgesia & anesthesia were collected from electronic databases and internet search engines and used to compile evidence about regional analgesia and anesthesia in preeclamptic patients for the purposes of the literature review

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