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Consistency in UGRA:
Upper Limb Techniques
Colin J.L. McCartney
MBChB PhD FRCA FCARCSI FRCPC
Head of Anaesthesia
The Ottawa Hospital,
Professor and Chair of Anaesthesia
University of Ottawa, ON, Canada
Conflicts of Interest
 None
Summary: Consistency in UGRA
 1. Start simple
 2. Stay safe
 3. Get trained
 4. Use volume
 5. Assess carefully and rescue if needed
1. Start Simple
Everything should be made as simple as
possible, but not simpler
Albert Einstein
4
Increasing consistency in upper limb UGRA
 R, SB 56 patients
 Axillary block
 US Perivascular or Transarterial technique
 30mL 1.5% Lidocaine with epinephrine
 Block Onset time and Success
Diagram demo
Results
Increasing consistency in upper limb UGRA
Diagram demo
Increasing consistency in upper limb UGRA
Summary: Consistency in UGRA
 1. Start simple
 2. Stay safe
 3. Get trained
 4. Use volume
 5. Assess carefully and rescue if needed
2. Stay safe
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Staying safe
1. Know your block
2. Know your ultrasound
3. Slow, incremental injection with frequent
aspiration
4. Use a marker of IV injection
5. Use nerve stimulation and injection pressure
6. Sedate your patients adequately
Bad stuff happens to us all
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Summary: Consistency in UGRA
 1. Start simple
 2. Stay safe
 3. Get trained
 4. Use volume (if needed)
 5. Assess carefully and rescue if needed
3. Get trained
17
Kathy Sierra: http://headrush.typepad.com/creating_passionate_users/2006/03/how_to_be_an_ex.html
J Shoulder Elbow Surgery 2007; 16 (Jul/Aug): 379-387
Increasing consistency in upper limb UGRA
Simulation & Needle guides
 20 2nd
year anesthesia residents
 No US experience
 2 groups: Gp1 Standard training; Gp2 1 hour
training on low fidelity model
 Both gps started regional rotation
 Success/Failure of blocks assessed
RAPM 2012
Simulation & Needle guides
 Success: Block performed within 15 minutes
and suitable for surgery without rescue blocks
Simulation & Needle guides
 Conventional group 98 successful blocks, and
the simulation group had 144 (51.3% vs 64%;
P = 0.016).
 CUSUM: Conventional group 40% achieved
proficiency, Simulation group, 80% proficiency
(P = 0.0849)
Summary: Consistency in UGRA
 1. Start simple
 2. Stay safe
 3. Get trained
 4. Use volume (if needed)
 5. Assess carefully and rescue if needed
4. Use volume
 In the hands of experts very low volumes of
local anesthetic can be used for successful
BPB
 For some techniques (axillary, interscalene)
 Not for others (infraclavicular, supraclavicular)
 The proper dose of any drug is enough
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Axillary Block
Increasing consistency in upper limb UGRA
Interscalene BlockInterscalene Block
 RDBCT 40 patients USG ISB
 Posterior approach
 5 vs 20 ml 0.5% ropivacaine
 Standard GA
 Primary endpoint: Phrenic block at 30 min
 Secondary: Postop pain, Oxygen
saturation, spirometry BJA 2008
Can a low volume US-guided technique
reduce common complications of ISB?
Riazi S, Carmichael NM et al BJA 2008
20ml
20ml
5ml
5ml
%=oxygen saturation on air in PACU
Can a low volume US-guided technique
reduce common complications of ISB?
Riazi S, Carmichael NM et al BJA 2008
Supraclavicular Block
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Supraclavicular Block
Infraclavicular Block
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Infraclavicular Block
Summary: Consistency in UGRA
 1. Start simple
 2. Stay safe
 3. Get trained
 4. Use volume (if needed)
 5. Assess carefully and rescue if required
5. Assess carefully and rescue if
needed
37
Use a block room if possible
 Reduces anesthesia controlled time
 Allows time to perform blocks and allow onset
before moving patient to OR
 Benefits for patient
 Allows teaching and research
 Costs: extra staff, space, equipment
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Assess carefully
 Even experts have slow/failed blocks
 Push, pull, pinch, pinch
 Use rescue blocks if needed
 Dont be frightened of the dreaded swear
words: Propofol and LMA
 Follow up with your patient
 Take responsibility for any adverse events
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Rescue blocks: easy with US
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RAPM 2007
Follow up with your patient
Summary: Consistency in UGRA
 1. Start simple
 2. Stay safe
 3. Get trained
 4. Use volume
 5. Assess carefully and rescue if needed

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Increasing consistency in upper limb UGRA

Editor's Notes

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