regional anesthesia. lecture objectives.. students at the end of the lecture will be able to:
TRANSCRIPT
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Regional Anesthesia
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Lecture Objectives..Lecture Objectives..
Students at the end of the lecture will be able to:
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What is Regional Anesthesia?
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Nerve Sensitivity
Autonomic >> Sensory >> Motor
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• Neuraxial Spinal Epidural Caudal• Peripheral Nerve Block• IV Regional ( Bier block )
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Spinal Anesthesia
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Local Anesthetic Physiology
• Hyperbaric (Dextrose)• Isobaric• Hypobaric
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Spread of Local Anesthesia
• Baricity of Local Anesthetic• Position of Patient• Concentration of Local Anesthetic• Volume Injected• Level of Injection• Speed of Injection
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Advantages
• Cheap• High Patient Satisfaction• Well Tolerated in Pulmonary Disease• Maintain Patent Airway• Selective Muscle Relaxation• Decreased Blood Loss• Decreased Incidence of DVT and PE
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Disadvantages
• Difficult Placement in Elderly• Hypotension• Patient Can Talk• Patient Anxiety• Not Reliable for Surgery > 2 hours
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Complications
• Bleeding• Post-Dural Puncture Headache• Transient Neurological Syndrome• Total Spinal
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Total Spinal
• Hypotension• Bradycardia• Arm involvement• Shortness of Breath• Patient Anxiety• Loss of Consciousness
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Contra-Indications
• Inadequate equipment for GA• Bleeding Dyscrasia’s• Hypovolemia• Patient Refusal• Sepsis/Bactermia• Anatomic Deformities of the Spine• Neurological Disease• Increased ICP• Fixed Cardiac Output States
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Epidural Anesthesia
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Uses• Hip and Knee Surgery• Lower Extremity Vascular Surgery• Lower Extremity Amputation• Obstetrical – Labor & C/S• Thoracic Surgery – Post-Op Pain Control• Thoracic Trauma• Abdominal Surgery – Post-Op Pain Control
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Advantages
• Cheap• High Patient Satisfaction• Well Tolerated in Pulmonary Disease• Maintain Patent Airway• Selective Muscle Relaxation• Decreased Blood Loss• Decreased Incidence of DVT and PE
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Disadvantages
• Difficult Placement in Elderly• Hypotension• Patient Can Talk• Patient Anxiety
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Complications
• High Epidural• Local Anesthetic Toxicity• Total Spinal• Accidental Dural Puncture
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Contra-Indications• Patient Refusal• Coagulopathy• Localized Skin Infection• Elevated ICP• Hypovolemia• Uncooperative Patient• Pre-Existing Neurological Disease• Spinal Column Abnormalities• Fixed Cardiac Output States
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Peripheral Nerve Blocks
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• Brachial Plexus• Psoas Compartment Block• Femoral Nerve Block• Popliteal Fossa Block• Ankle Block
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Intravenous Regional Anesthesia ( Bier block )
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Applications
• Distal Arm Surgery• Useful for Short Procedures
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Contra-Indications
• Sickle Cell Disease• Crush Injury to the Limb• Very Young may need additional
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Complications
• Local Anesthetic Toxicity
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Reference book and the Reference book and the relevant page numbers..relevant page numbers..
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DrDr..
Date: Date:
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