Transforming Peripheral Venous Access (PVA) · 2020. 6. 18. · Optimal Catheter/Vein •Difficult...
Transcript of Transforming Peripheral Venous Access (PVA) · 2020. 6. 18. · Optimal Catheter/Vein •Difficult...
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Transforming Peripheral Venous Access (PVA)
Greg Schears, MD
Rochester, MN
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Disclosures
• I am a consultant for B.Braun & Christie Medical Holdings
• No off label use will be discussed
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Objectives • The participant will be able to understand the
importance of pre-access assessment and
challenges of its application with current
practice
• The participant will identify current PIVC
failure rates and consider potential causes
• The participant will discuss current barriers to
reducing PIVC catheter failure rates and
implementation of objective measures to
reduce catheter related complications
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Ideal VA Encounter • Provide Pre-Access Assessment
• Pt Hx, Understand Therapy Goals
• Examine Pt, Consider Options
• Educate & Partner with the Patient
• Select & Optimally Place Best Device
• Uncomplicated Course-Success!!!
• Everyone’s Satisfied
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Pre-Access Assessment
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J Nursing Care Quality, 13 (2), 77-85, 1998
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26. Vascular Access Device Planning , pS51, Gorski L, Hadaway L, Hagle ME, McGoldrick M, Orr M, DoellmanD. Infusion therapy standards of practice. J Infus Nurs. 2016;39(suppl 1):S1-S159
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26. Vascular Access Device Planning , pS51, Gorski L, Hadaway L, Hagle ME, McGoldrick M, Orr M, DoellmanD. Infusion therapy standards of practice. J Infus Nurs. 2016;39(suppl 1):S1-S159
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PICC Excellence, Nancy Moureau, BSN, CRNI, CPUI, VA-BC
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Practical Screening
Tool for PVA
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Pre-Access Assessment Tool • Easy to apply, makes clinical sense
• Uses technology available - POC
• Provides meaningful categorization
• Allows refined algorithm for line choice
• Can be validated and is relevant
• Promotes research and CQI
• Entire Arms (legs) vs. Individual Veins
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Screening
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Screening
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Screening
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NIR Screening
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Screening Tool 5 categories for PVA Difficulty
1. V-Easily locate accessible veins by sight
2. T-Easily locate accessible veins by palpation
3. N-Easily locate accessible veins with near-infrared vein visualization
4. U-Accessible veins only identified with ultrasound
5. 0-Lacks adequate veins for peripheral venous access
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Screening Tool-cont. Quantification
A. > 10 Optimal Choices B. 5-10 Optimal Choices C. 1-5 Optimal Choices
Qualifiers A. RF-Renal Failure B. CS-Chronic Steroids C. SL-Site Limitations D. LD-Limited Dwell E. P-Pediatrics F. G-Geriatrics G. Site:B-Bilateral, L-Left, R-Right
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Pre-Assessment • Visible, Bilateral, 1-5 veins: V, B, C
• Palpable, Bilat, 1-5 veins: T, B, C
• Near Infrared, Bilat, > 10: N, B, A
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V
T
N
U
0
isible
ouch
ear Infrared
ltrasound
Nothing Peripheral
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Section Summary • Pre-Access Assessment elusive - POC
• Need Standardized Scoring Methods, Descriptions, & Documentation
• Better Communication, Research and CQI will Follow this Standardization
• Will Help Support Value of VA Teams
• Will Lead to Improved Patient Care
• NIR a Necessary Component to Process
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Short PIV’s Failure Rates and Causes
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PIV Failure Rates 1990-2014
Helm, RE, et al, 2015, JIN 38 (3) 189-203
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PIV Failure Modes
Helm, RE, et al, 2015, JIN 38 (3) 189-203
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Why Do PIV Failures Occur?
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Vascular Access Paradigm
Access
Equipment
Clinician Patient
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Typical Vascular Access Paradigm
“Skills & Tools”
Peripheral Venous Access
+
“Viable Targets”
J Nursing Care Quality 13(2) 77-85, 1998
In experienced hands 1 in 2.18 attempts
~ =
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Skin Pigment
Genetics
Factors Impacting Venous Target Quality
Age
Activity Level Medical
Condition
BMI Temperature
Volume Status
Patient
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Clinician Access Factors
Access Skills
Color Vision
Experience
Current Knowledge
Visual Acuity
Time Pressure
Patient Cooperation Fatigue
Mental State Location
Support
Luck
Clinician
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Needle
Access Equipment Factors
Wire
NIR
Catheter Material
Trim
US
Tourniquet
Taper -Edge
Equipment
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Peripheral Venous Access Success
PIV Access
Equipment
Clinician Patient
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PIV Access
Access Skills
Color Vision
Experience
Current Knowledge
Visual Acuity
Time Pressure
Patient Cooperation
Fatigue
Mental State
Location Support
Luck
Clinician
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Causes of PIV Failure • Patient Factors
• Clinician Factors
• Catheter Materials/ Designs
• Suboptimal Site Choice
• Stabilization & Motion
• Medications / Fluids
•
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Suboptimal Site Choice
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Saunders, Elsevier, 2010, p 461
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Site Selection • Most distal site on extremity
• Avoid sites below previous insertion, infiltration, phlebitis or bruises
• Avoid areas of flexion such as wrist and antecubital fossa
• Metacarpal, cephalic, basilic and median veins are recommended because of their size and location.
INS, Infusion Nursing: Evidence Based Approach, Saunders, Elsevier, 2010, p 461
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Reality With unaided eye and fingers, we are very limited on vein based critical information
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Picking an Optimal Access Site
What You Can See
What You Can’t See
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AH-HA!
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If we are going to advance PIV catheter insertion and reduce
complications, we must embrace technology and better understand
the dynamic relationship of the catheter within the vein
particularly its tip position relative to other intravenous structures !
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Method For Identification
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US & NIR • Complementary technologies that help identify
additional viable targets that your eyes and
fingers can’t find.
• Assist with process of obtaining access as well.
• NIR has additional abilities to screen for targets,
identify valves and more easily judge catheter to
vein ratios.
• Both technologies are necessary for modern
vascular access best practice
• Each has a learning curve, US a bit steeper
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Veins and Valves
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bum
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Have You Ever? • Blown a vein due to hitting a valve?
• Caused more pain to a patient from hitting a valve? Second stick?
• Had the IV pump beep incessantly because the IV catheter tip bumps up against a valve?
• Have reduced IV flow because the IV catheter tip was up against a valve?
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K-Video, Valve
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Vessel Hemtoma from Valve Strike
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Wrist
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Valve-ology • Valves are well know to interfere with
optimal PIV insertion-functionality
• Difficult to predict where valves will be
• Rarely can see with the naked eye
• Very difficult to identify with U/S
• NIR easily identifies valves by milking vein.
• Thus NIR necessary for optimal PIV positioning regardless of vein difficulty
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Picking an Optimal Access Site
Must Avoid Must Avoid
Must Find
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Finding the Straight
and Wide
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Picking an Optimal Access Site
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Risk of Thrombosis
Sharp R, et al. International J Nurs Studies 2015;52:677-685
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Impact of Catheter Size to Venous Flow
TF Nifong, TJ McDevitt, CHEST 2011; 140(1):48–53
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Suboptimal Catheter/Vein Ratio
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Optimal Catheter/Vein Ratio
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Optimal Catheter/Vein • Difficult to estimate real vein size for most PIV
access using unaided eye.
• Palpation even more difficult.
• U/S good but harder to know straightaways and can’t easily see valves or tortuosities
• NIR easily identifies straightaways and projects exact vein width with some products.
• Thus NIR is necessary for optimal PIV catheter/ vein strategies to preserve flow & integrity.
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Enhanced Stabilization
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“Old Standards”
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Summary
• Pre-Access assessment is necessary as
POC to assess viable venous targets
• NIR is the only technology that can perform a timely assessment and easily identify valves & Catheter/Vein Ratio
• Further stabilization progress requires mechanical support to reduce rocking motion caused by lever arm of Luer connectors and IV tubing