better anaesthesia care
TRANSCRIPT
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District Hospital Ganderbal
Better Anaesthesia care
Dr. Yasser Yousuf Wani
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Low flow anaesthesia
1. Uses only 30% of routine gas flow2. Saving worth crores if implemented across the state
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Low / Minimal Flow Anaesthesia
❖ Classically we use >4-5 L per minute of a mixture of Oxygen and Nitrous Oxide gas to provide safe General Anaesthesia to our patients.
❖ However it is possible to utilise only 0.5-1 L per minute of these gases now and this is known as Low Flow Anaesthesia. ❖ Advantages: 1. Economical 2. Low OT
pollution❖ Not used widely: 1. Monitoring 2. Habits 3.
Training
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TIVATotal IntraVenous Anaesthesia
TIVA
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TIVA❖ As the name suggests Anaesthesia is provided by
a continuous controlled intravenous infusion of drugs.
❖ Uses an Electronic Infusion Pump.❖ Advantages : 1. Immediate recovery 2. Less Post-Op
vomiting
❖ 3. Pollution free
❖ Not used widely: 1. Training 2. Device needed
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Supra-Glotic Devices
L.M.A v/s Intubation
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Laryngeal Mask Airways
❖ Classical General Anaesthesia uses Tracheal Intubation
❖ New LMAs now considered safe , better alternative for most surgeries (except Head and neck surgeries & Obstetrics)
❖ Advantages: 1. Haemodynamics 2. Safer ( Infections ) 3. Less Soar Throat
❖ Not used widely: 1. Training 2. Availability 4. No difference to anaesthesiologist
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Patient on Deliberate Hypotensive Anaesthesia BP 96/42 Delibrate Hypotensive Anaesthesia
SBP 80- 90mmHgMAP 50-60 mmHgMAP reduction by 20-30%
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Hypotensive Anaesthesia❖ Drugs used:
❖ 1. Nitroglycerine ❖ 2. Sodium Nitroprusside ❖ 3. Betablockers (Labetalol)❖ 4. Ganglion Blockers (Trimethophan)❖ 5. Central Alpha 2 Agonist
(Clonidine ,Dexmedetomidine)❖ 6. Opioid Remifentanil
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❖ Our resources : Nitroglycerine , Nitroprusside ❖ Advantages :
– Decreases intratoperative blood loss.– Improves operative field.– Decrease duration of surgery.
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❖ Not used widely: ❖ 1. Training ❖ 2. Monitoring ❖ 3. No difference to anaesthesiologist
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Only oxygen used- No waste anaesthesia gasesAnaesthesia Waste Gases Management
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Waste Gases Management
❖ Ideal is Scavenging system - Very expensive❖ Our alternatives -❖ 1. Closed circuit Anaesthesia- Minimal waste gases ❖ 2. Modified Bains Anaesthesia circuits- Waste gases
vented out of OT❖ 3. TIVA- Only Oxygen used
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Gases vented out of OTMapleson D Bains Anaesthesia Circuit used in our OT