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Vascular Trauma31st Annual David Miller Memorial Trauma Symposium
Christopher L. Stout MD, FACS, RPVIDirector Mercy Vascular Center of Excellence
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Disclosures
• Speaker and Trainer• Abbott, Bard, CSI, Silk Road, Endologix
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Pre Test
• If you have only enough blood to obtain a single lab test, which one would you order for your Trauma patient?
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Objectives
1. Basic Understanding of Vascular Injury
2. Diagnose Suspected Vascular Injury
3. Initial Critical Decisions in Vascular Injury
4. Appropriate Imaging for Vascular Injury
5. Treatment of Vascular Injury
6. Followup Requirements post Vascular
injury
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What is the #1 cause of vascular trauma?
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HINT….
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Basics of Vascular Injury
Linda Crampton: https://owlcation.com/stem/How-Does-Blood-Clot-and-What-Causes-Coagulation
Thrombosis
Hemorrhage
End Organ Perfusion /
Ischemia
End Organ Death
Time
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Mechanism of Injury: Ozarks
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Most Important Takeaway Today
Signs of Vascular Injury
• Pulsatile bleeding
• Arterial thrill (ie, vibration) or bruit on palpation or auscultation
• Expanding hematoma.
• Distal ischemia.• Pain, palor, pulseless, paresthesia,
poikilothermia,
Tests for Vascular Injury
• Physical Exam!!!
• ABI
• Arterial Duplex
• CT Angiogram
• Angiogram
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Many Times Endovascular First
• Can be temporizing
• Can be permanent
• Can be quicker
• Can cut down blood loss
• Can lead to long term complications.
• Nothing will ever beat a good contralateral saphenous vein around or below knee / elbow
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Not an endovascular
candidate
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Technology has changed how we treat
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There are endovascular limitationsStent larger blood vessels only
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Casual Bicyclist
• 73 yo relatively healthy WM presents with growing hematoma in supraclavicular fossa on right s/p wrecking his beach cruiser on the boardwalk
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Subclavian Artery Injury at right IMAMedian Sternotomy? Balloon Occlusion? Endo Fix?
Will endovascular sacrifice other vessels
Will endovascular be durable or is this “temporary” until definitive
repair
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Why do quick duplex?----Vertebral artery sacrifice…
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Plan of Attack: Right SCA, VERT, IMA, & Carotid
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Coil embolize IMA to keep from back bleeding since transection at its take off
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Deploy Covered Stent Graft Maintaining Carotid
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6 Month followup: Duplex yearly for life and aspirin for life.
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What can go wrong? Postop mgt?
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Traumatic Carotid Artery or Vertebral Artery Injury
• Medical mgt
• Anticoagulate vs Antiplatelet
• Operating on a dissection is like walking on hot coals without getting burned…
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pseudoaneurysm
Viabahn
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GSW Leg
Can see
AV-
Fistula
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GSW Leg
Can see
AV-
Fistula
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GSW Leg
Can see
AV-
Fistula
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Viabahn Repair
GSW Leg
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What to watch for postop peripheral stent?
• If no perfusion – do fasciotomy
• Thrombosis of stent• Distal organ ischemic
• “cold leg”
• Trauma – less dual antiplatelet use
• Migration / Mismatch size• Recurrent symptoms or bleeding
• Can “pull” apart
• Held in place by outward pressure
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MVC
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1. TEVAR regardless of age
2. Repair Grade 2 and Higher
3. Repair Urgently <24 hours
4. Selective LSCA Revasc
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What to look for postop Aortic Endograft: EVAR/TEVAR
• Dissection going into heart
• Dissection going distally
• Continued Leak from Collateral vessel
• Organ ischemia
• Leg ischemia from catheterization
• Groin bleeding
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Young Patients Have to be followed for life:Infolding of endo graft over time… I did open repair later
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Motorcycle Crash with massive leg fracturesabove knee to below knee bypass….
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Shark Bite!for real
• Primary Amputation• Blood/Nerve/Muscle
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GSW Suprahepatic Vena Cava
Mercedes incision…
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TKR – Iatrogenic Popliteal Artery InjuryTest: What did I do? Pitfalls? Followup? Alternatives?