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Venous Access PowerPoint Presentation

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Description : Check out this medical presentation on Atrium, which is titled "Venous Access", to know about Venous access, methods used to access the bloodstream through the veins to administer intravenous therapy (e.g. medication, fluid), parenteral nutrition, to obtain blood for analysis, or to provide an access point for blood-based treatments such as dialysis or apheresis.

Tags : Atrium, Venous Access, bloodstream, veins, administer intravenous therapy, parenteral nutrition, dialysis, apheresis

Published on : Jun 02, 2021 | Views : 3036 | Downloads : 32

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Slide 1-

Venous Access Matthew L. Paden, MD Emory University Children’s Healthcare of Atlanta at Egleston
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Peripheral IV Butterfly & angiocaths Short catheters generally placed in forearm, hand or scalp veins Short term therapy and unable to handle caustic chemicals (chemotherapy)
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Peripheral Sites Veins of the Forearm 1. Cephalic vein 2. Median Cubital vein 3. Accessory Cephalic vein 4. Basilic vein 5. Cephalic vein 6. Median antebrachial vein
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Peripheral Sites Veins of the Hand 1. Digital Dorsal veins 2. Dorsal Metacarpal veins 3. Dorsal venous network 4. Cephalic vein 5. Basilic vein
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Peripheral IVs Try to cannulate the most distal veins first Drugs or fluids put through the cannula may extravasate at the upstream failed cannula site Transillumination Topical nitropaste
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Infiltration
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Extravasation
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Extravasation
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Phlebitis
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Cellulitis
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Types of Central Vascular Access Devices Non-tunneling Tunneling Implanted
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Non-Tunneling Direct venipuncture through the skin into a selected vein. Peripheral IV Peripherally inserted central catheter Percutaneous catheters
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Non-Tunneling - PICC Peripherally inserted central catheters (PICC) Midline Central venous catheter inserted at or above the antecubital space and then advanced until the distal tip of the catheter is positioned at the superior vena cava or superior vena cava and right atrial junction.
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Non-tunneling - PICC Useful for patient receiving long term medication therapy, chemotherapy or TPN Used for frequent blood sampling Distal end positioned at the superior vena cava or junction of superior vena cava and right atrium
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Non-Tunneling - PICC Peripherally inserted central catheters (PICC)
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Non-Tunneling - Midlines Used for shorter term intravenous therapy (up to 4 weeks) Used for frequent blood sampling Distal end positioned at the proximal end of the upper extremity
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PICC versus Midline
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Non-Tunneling – PICC and Midline examples at the antecubital & above
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Non-Tunneling – CVC Percutaneous catheters Also known as: Central Venous Catheters (CVC) Subclavian, femoral or internal jugular Single, double or triple lumen
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Non-tunneling - CVC Tip advanced to superior vena cava or SVC and right atrium junction As with PICC, appropriate for patients requiring long term chemotherapy or TPN
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Non-tunneling CVC subclavian site
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Tunneling Hickman® Broviac® Groshong®
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Tunneling Inserted into a central vein via percutaneous venipuncture or cut down Catheter then tunneled under the skin in the subcutaneous tissue and exited in a convenient location Dacron cuff hold the catheter in place
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Tunneled Hickman Catheter
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Tunneling - Broviac® Similar to the Hickman catheter, but is of smaller size. This catheter is mostly used for pediatric patients.
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Tunneling - Groshong® Similar to Hickman® and Broviac® with closed ended patented 3-way valve.
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Implanted VADs - Ports Catheter attached to a self-sealing silicone septum surrounded by a titanium, stainless steal or plastic port Port sutured under the skin Some brand names: Port-a-cath® Infus-a-port® Power Port ®
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Implanted VADs - Ports Catheter runs from port to superior vena cava at the right atrium No part of the device is exposed outside the body Can deliver chemotherapy, TPN, antibiotics, blood products and blood sampling
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Implanted VADs - Ports Can only be accessed with special needle called a HUBER needle Contains a deflecting, non-coring point
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Insertion Complications Inadvertent Arterial Puncture Hematoma Formation Extravasation Infection Phlebitis Pneumothorax
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Adult Insertion Complications
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Systemic Complications Infection Deep Vein Thrombosis Pulmonary Embolism Superior Vena Cava Syndrome
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Mechanical Complication Catheter tip migration Broken or damaged catheter Catheter occlusion
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Femoral Vein Adults – DVT Excess infection risk “Potentially inaccurate CVP”
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Femoral Vein Kids – Better risk profile Ease of insertion, compressible No difference in DVT – ref 1-2 Same infection risk (maybe lower) – ref 3-5 Accurately reflects RAP if no increase in abdominal pressures – ref 6-8 1. Beck C, et al. J Ped 1998;133:237-41. 2. Jacobs B, et al. Crit Care Med 1999;27:A29 3. Casado-Flores J, et al. Ped Crit Care Med 2001;2:57-62. 4. Richards M, et al. NNIS Pediatrics 1999;103:103-9 5. Stenzel JP, et al. J Ped 1989;114:411-5. 6. Fernendez E, et al. Ped Crit Care Med 2004;5:14-18 7. Lloyd R, et al. Pediatrics 1992;89:506-8. 8. Ho K, et al. Crit Care Med 1998;26:461-4.
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Femoral anatomy Vein is medial to the artery Froehlich’s theorem Superficial distal to inguinal ligament, then dives deep 0.5-2cm inferior to the inguinal ligament
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Quiz Question What are the anatomic landmarks to determine where to stick for the femoral vein in a pulseless patient? A. 1/3 of the distance from the anterior superior iliac spine to the pubic tubercle B. ½ the distance between the pubic tubercle and the anterior superior iliac spine C. 1/3 of the distance from the pubic tubercle and the anterior superior iliac spine D. None of the above
Slide 39-

Quiz answer D. None of the above The femoral ARTERY lies ½ the distance between the pubic tubercle and the anterior superior iliac spine. The femoral vein is 0.5-1.5 cm medial to this depending on the size of the patient.
Slide 40-

Straight vs. Frog leg “The optimal positioning of the leg can vary according to the preference of the operator.” Discuss
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Procedure 30-45 degree angle to skin 2 methods Stick with negative pressure on syringe while entering and exiting Insert needle, and only negative pressure on removal Allows you to better stabilize the needle by resting your hand on the thigh
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Procedure Blood flash - Insert wire Wire not going smoothly Needle no longer in vessel False tracking in subcutaneous tissue Thrombus Advancing into lumbar veins Small incision Blade directed away from wire
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Procedure Twisting motion of dilation Remove dilator Advance catheter Remove wire Aspirate and flush all ports Secure line with sutures Sterile dressing
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Seldinger Technique
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Procedure Wheeler – “Confirmation of proper CVC position is required after placement of all CVC’s”
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Warnings If you hit the artery – pressure until hemostatic Wire should float – should never have resistance If can’t pull the wire through the needle – remove both wire and needle together so you don’t sheer off the wire Never let go of the wire Catheter tip “pointing too cephalad” – in lumbar veins
Slide 47-

Complications 74 of 89 (83%) – no complications Other 15 – minor bleeding/hematoma 94.4% success rate Median duration 5 days 21% <3 days 26% 7-14 days 43% 4-7 days 10% >14 days Long term – 8 leg swelling, 11 BSI Venkataraman, et al. Clin Ped 1997;36:311-9.
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Complications 45 months – 395 CVL – 162 femoral No insertion complications Mean duration 8.9 days 9 noninfectious complications 4 thrombosis, 1 perforation, 1 embolism, 2 bleeding “The low incidence of complications in this study suggests that the femoral vein is the preferred site in most critically ill children when CVC is indicated.” Stenzel JP, et al. J Ped 1989;114:411-5
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6/4/2021 Site Selection
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Subclavian Vein When to use it May be better for long term access Obese – clavicle gives you a landmark Shock – less likely to collapse Relative contraindications Trauma to the area Coagulopathic
Slide 54-

Subclavian Anatomy Begins as axillary vein, eventually joins the IJ to become the inominate or brachiocephalic Anterior scalene separates the SCA from SCV Most common is infraclavicular approach
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Positioning Head down 15-30 degrees Rolled towel placed longitudinally between scapulae Tilt head toward side of catheterization Reduced catheter malposition in infants
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Quiz Question What is the anatomic landmark on the clavicle where you insert the needle? A. 1 cm below the junction of the middle and lateral thirds of the clavicle B. 1 cm below the junction of the middle and medial thirds of the clavicle C. 1 cm below the middle third of the clavicle D. 1 cm below the lateral third of the clavicle
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Quiz Answer What is the anatomic landmark on the clavicle where you insert the needle? B. 1 cm below the junction of the middle and medial thirds of the clavicle
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Procedure Needle inserted 1 cm below junction of middle and medial thirds of the clavicle Marched down clavicle and parallel to frontal plane Bevel directed caudal Blood flash during insertion or withdrawal
Slide 60-

Procedure Regular Seldinger technique Watch for dysrhythmias with wire insertion
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Confirmation Position should be in the distal SVC FDA – “the catheter tip should not be placed in or allowed to migrate into the heart” 34% mortality rate with CVC related pericardial effusions in pediatrics
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Complications Inability to cannulate SCA puncture/cannulation Catheter misplacement Pneumothorax Hemothorax Nerve injury
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Complications 100 patients - 1/3 of patients <1 year 92% overall success rate 89% in emergencies Major complications 4 pneumothorax, 2 BSI Venkataraman, et al. J peds 1998;113:480-5.
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6/4/2021 Site Selection
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Internal Jugular Vein When to use it High rate of success Compressible if coagulopathic Lung hyperinflation (less likely to get pneumothorax than subclavian) Transvenous pacing via RIJ Relative contraindications Ongoing CPR – difficult to access Cervical trauma/increased ICP
Slide 69-

Internal Jugular Anatomy Lateral to carotid artery in sheath Beneath the triangle formed by the sternal and clavicular heads of the SCM and the clavicle
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Quiz Question All of the following are correct about a left internal jugular cannulation EXCEPT: A. LIJ has a more acute angle at connection with subclavian B. Lower pneumothorax risk compared to right because right pleural dome is higher C. Lymphatic duct adjacent to junction of LIJ and innominate vein D. Reduced risk of carotid puncture because of its caudo-cephalad structure
Slide 72-

Quiz answer B is the correct answer to the question Reasons to go right – The left has : More acute angle at connection with subclavian Left pleural dome is higher (more pneumothorax risk) Lymphatic duct adjacent to junction of LIJ and innominate
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Internal Jugular Positioning Trendelenberg 15-30 degrees Shoulder roll Head turned away from side of insertion
Slide 74-

Procedure – Median approach Needle insertion – approximately one half the distance between the mastoid and the sternal notch 20-30 degree needle angle Seldinger technique – watch for dysrhythmias
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Posterior Approach
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Anterior Approach
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Procedure Finder needle techniques Consider when: Poor landmarks (obese) Coagulopathic Carotid artery disease in adults Ultrasound
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Ultrasound Image of Right Neck
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Correct IJ placement CXR provided by Jeremy P. Feldman, MD E-Bay Fellow in Pulmonary Vascular Disease
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Complications Arterial puncture more common than subclavian Pneumo/hemo thorax very rare Catheter malpositioning similar to subclavian
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6/4/2021 Site Selection
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Axillary Vein Find axillary artery Get PIV just inferior to it in axillary vein Wire it up Appropriate size catheter? 226 neonates done with 9 failures 47 critically ill kids (14d-9y) 79% cannulation rate Rare complications – similar thrombosis rates to subclavian and internal jugular
Slide 84-

Temporary Dialysis Catheters We have available : 7 French Triple Lumen regular CVL 7 French 10 cm Double Lumen Medcomp 8 French 9cm Double Lumen Mahurkar 12 French 13 cm Triple Lumen Mahurkar 12 French 20 cm Triple Lumen Mahurkar
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Vascular Access for Pediatric CRRT: Pros and Cons of Femoral Site Relatively larger vessel may allow for larger catheter higher flows Ease of placement No risk of pneumothorax Preserve potential future vessels for chronic HD Shorter femoral catheters with increased % recirculation Poor performance in patients with ascites/increased abdominal pressure Trauma to venous anastamosis site for future transplant PROS CONS
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Vascular Access for Pediatric CRRT: Pros and Cons of IJ/SCV Site Tip placement in right atrium decreases recirculation Not affected by ascites Preserve potential vein needed for transplant SCV stenosis (SCV) Superior vena cava syndrome Risk of pneumothorax in patients with high PEEP Trauma to veins needed potentially for future HD access PROS CONS
Slide 88-

Femoral versus IJ catheter performance 26 femoral 19 > 20 cm 7 < 20cm 13 IJ Qb 250 ml/min (ultrasound dilution) Recirculation measurement by ultrasound dilution method Little et al: AJKD 36:1135-9, 2000
Slide 89-

Femoral versus IJ catheter performance Little et al: AJKD 36:1135-9, 2000 * p<0.001 ** p<0.007
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Femoral versus IJ catheter performance: Pediatrics P value NS NS NS NS (Gardner et al, CRRT 1997 Quinton 8 Fr; n = 20; 120 Treatments)