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Ultrasound in Obstetric Anaesthesia- Neuraxial Blockade Dr John Loughrey The Rotunda Hospital Dublin
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Dober dan To bo dobro predavanje !
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Labour Epidural Rates The Rotunda Hospital 67% USA 66% Ireland 33% Europe 25%
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‘labour results in severe pain for many women. There is no other circumstance where it is considered acceptable for a person to experience untreated severe pain, amenable to safe intervention, while under a physician's care.’ American College of Obstetrics & Gynecology
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Methods of Maintaining Epidural Analgesia Intermittent ‘Top-Ups’ Continuous infusions (8-12 mls/hr) Patient Controlled (PCEA) – ± Background infusion
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Epidural Patient-Controlled Analgesia
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PCEA use: ~40% USA Bucklin BA. Anesthesiology 2005;103:645-53
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PCEA vs Continuous Epidural infusion van der Vyver. BJA. 2002 9 Studies of 640 patients Continuous vs PCEA with no basal rate PCEA groups – Less local anaesthetic – Less leg weakness – Fewer anaesthetic interventions
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Benefits of Minimising Local Anaesthetic Usage Patient Satisfaction Ability to Void increased Less Hypotension Obstetric Outcome improved Ambulation
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Ultrasound in Obstetric Anaesthesia Central Vascular Access Abdominal field blocks eg: TAP Pre-Anaesthesia clinic eg: scoliosis Neuraxial Imaging Pain Procedures eg: Sacroiliac/ Symphysis Injection – Arch Physical Med & Rehab. Sept 2007.88(9) E45-6. – SOAP. 2009. A-206. Shannon J, Harmon D.
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Technique
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Equipment Cost
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“In the kingdom of the blind, the one-eyed man is King.” D. Erasmus 1466-1536. “An idiot with an ultrasound probe is still an idiot.”
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“ Evidence on Ultrasound-guided catheterisation of the epidural space is limited in amount, but suggests that it is safe and may be helpful in achieving correct placement.”
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Ultrasound in Neuraxial Anaesthesia Identifying Correct Lumbar Interspace Identifying Skin Puncture site Measuring depth to Epidural Space Identifying aberrant Anatomy
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Lumbar Interspace Selection Schlotterbeck H, Schaeffer R, Dow WA, et al (2008). Ultrasonographic control of the puncture level for lumbar neuraxial block in obstetric anaesthesia. British Journal of Anaesthesia 2008; 100: 230-4. Reynolds F (2001). Damage to the conus medullaris following spinal anaesthesia. Anaesthesia 2001; 56: 238-247.
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Technique
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Efficacy of ultrasound imaging in obstetric epidural anesthesia. J Clin Anesth. 2002 Thomas Grau, Rudiger Wolfgang Leipold, Renate Conradi, Eike Martin, Johann Motsch. Ultrasound Using the Transverse Approach to the Lumbar Spine Provides Reliable Landmarks for Labor Epidurals. Anesthesia & Analgesia. May.2007. Cristian Arzola, Sharon Davies, Ayman Rofaeel, Jose Carvalho.
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Arzola et al. A&A. May 2007.
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May2008
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Gaining Experience Appropriate specification equipment Use in non-neuraxial anaesthesia Outpatient evaluations Pre-puncture imaging
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“ Gentlemen…this is no humbug!”
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Hvala lepa !
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