Emergency Thoracotomy
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Transcript of Emergency Thoracotomy
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ED ThoracotomyIndications &
ProcedureJeremy Mason
6th November 2015
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25% – 50% all traumatic injuries involve thorax
Thoracotomy is an integral part of resuscitation in selected patients
Need to decide quickly if thoracotomy is indicated to increase chance of survival
Patients may deteriorate prehospital or in the ED and this may be the only option to restore life
Thoracic trauma
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Release cardiac tamponade
Control haemorrhage
Perform open cardiac massage
Cross clamp the descending thoracic aorta
Control air embolism
Aims of thoracotomy
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Penetrating thoracic injury
◦ Haemodynamic instability (SPB <70mmHg despite vigorous fluid resuscitation)
◦ Traumatic arrest with previously witnessed cardiac activity (prehospital or ED)
Indications;
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Blunt thoracic injury
◦ Cardiac tamponade diagnosed rapidly on USS with no obvious non survivable injury
◦ Unresponsive hypotension (SPB < 70mmHg)
◦ >1500ml from chest tube immediately returned
Indications;
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Penetrating chest injury – traumatic arrest without witnessed cardiac activity
Penetrating non thoracic injury (abdominal or peripheral) with previously witnessed cardiac activity
Blunt thoracic injuries with traumatic arrest with previously witnessed cardiac activity
Relative indications
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Penetrating injuries
◦ Patient has no signs of life at injury scene
◦ Asystole with no pericardial tamponade
◦ Prolonged pulselessness (>15 mins)
◦ Other massive nonsurvivable injuries have occurred
Poor outcome measures;
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Blunt injury
◦ Patient requires >10 minutes prehospital CPR
◦ Patient has no signs of life at scene of injury
◦ Patient has other massive non survivable injuries
Poor outcome measures
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Non traumatic cardiac arrest
Severe head or multisystem injury
Improperly trained team
Insufficient equipment
Contraindications
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Eastern Association for the Surgery of Trauma USA - Journal of Acute Care Surgery – 2015
Reviewed 72 studies – 10,238 ED Thoracotomies
Patients presenting pulseless to the ED – ED Thoracotomy vs Resus without EDT
Measured signs of life as◦ Pupillary response
◦ Spontaneous ventilation
◦ Palpable carotid pulse
◦ Measurable BP
◦ Moving extremities
◦ Cardiac electrical activity
Guidelines
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Best outcome in patients presenting pulseless with penetrating thoracic injury
◦ With signs of life – strongly recommend EDT 21.3% survival (8x higher) 11.7% neurologically intact survival (5x higher)
◦ Without signs of life – conditionally recommend EDT 8.3% survival (41 x higher) 3.9% neurologically intact survival (20 x higher)
Guidelines
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Penetrating extrathoracic injury
◦ Signs of life – Conditionally recommend EDT Survival 15.6% (9x higher) Neurologically intact survival 16.5% (11 x higher)
◦ No signs of life – Conditionally recommend EDT Survival 2.9% (29 x higher) Neurologically intact survival 5% (56 x higher)
Guidelines
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Pulseless Blunt Injury
◦ With signs of life – Conditionally recommend EDT Survival 4.6% (9x higher) Neurologically intact survival 2.4% (8x higher)
◦ Without signs of life – Recommend against EDT Survival 0.7% Neurologically intact survival 0.1%
Guidelines
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Anatomy
www.instantanatomy.netMoore Anatomy
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https://calsprogram.org/manual/volume2/Section7_Circulation%20Skills/05-CirSk4EmergThoracotomy13.html
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Located in T2
Ribspreaders in tray
Scalpel + Blade – need to get from FT cupboard
Tuffcut scissors mounted on wall of T2
SCGH ED Thoracotomy Kit
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Scalpel + Blade Retractor – Finochietto’s rib spreader or Balfour abdominal
retractor Gigli Saw / Tuffcut Scissors Curved Mayos Scissors Toothed forceps DeBakey Aortic Clamp Mosquito artery forceps Foley catheter Satinsky large vascular clamps Needle holders Internal defibrillator clamps Sutures, sternal wires
Thoracotomy Kit
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All you really need
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Trauma Call
Universal precautions
Intubate and ventilate patient◦ Intubate right main bronchus to collapse left lung
Fluid resucitation + Blood Products / Massive Transfusion Protocol
15 degree headup
Surgically prep the area
Antibiotic prophylaxis
Preparation
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Bilateral anterior thoracotomy (clamshell incision) is the ideal emergency thoracotomy incision: an anatomic study Simms ER, Flaris AN, Franchino X, et al.. World J Surg 2013; 37:1277.
Looked at 6 different thoracotomy incisions on cadavers
Left and Right Anterolateral, Left 2nd intercostal incision, Left 3rd Intercostal incision, median sternotomy & Clamshell
◦ Clamshell fastest for access and best for control of thoracic structures in Emergency Thoracotomy
Research
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Procedure “Clamshell Incision”
A – 5th intercostal space thoracostomy bilaterally midaxillary line
B – Incise skin and subcut fat
C & D – Extend to sternum
E – Cut sternum
F – Finochietto retractor (Bar on right)
Simms et al 2013
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https://www.youtube.com/watch?v=8BlPxQI2C90
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Penetrating cardiac injury◦ Direct digital pressure◦ Staple cardiac defect closed◦ Suture closure of injury◦ Pass Foley catheter through defect, inflate balloon, apply traction
Abdominal Haemorrhage / Hypoperfusion◦ Cross clamp thoracic aorta to redistribute blood to myocardium and
brain (Doubles MAP and Cardiac Output)◦ Pass NG Tube to help identify Oesophagus vs Descending Aorta◦ Ideally clamp just above diaphragm – maximize spinal cord perfusion
Haemorrhage from pulmonary parenchyma or major pulmonary vasculature◦ Clamp pulmonary Hilum / Injured tissue / Bleeding vessel◦ Hilar twist
Once in the chest
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Pericardiotomy◦ If no other obvious injuries and cannot see myocardium
through pericardium◦ Identify phrenic nerve anterolateral surface of pericardium◦ Grasp pericardium anterior to phrenic nerve with tooth
forceps – extend incision parallel to phrenic nerve◦ Evacuate blood clots / Pericardial fluid◦ Deliver heart from pericardial sac to inspect or fix defects
Air Embolism◦ Air in coronary vessels, heart or aorta is diagnostic◦ Clamp hilum of affected lung◦ Ventilate unaffected lung only
Once in the chest
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Open cardiac massage ◦ Start open cardiac massage immediately after
placing thoracic aorta clamp◦ 2 Hand “clapping” technique – wrists together at
apex◦ Internal massage better at maintaining Cardiac
Output + Cerebral perfusion in animal studies that external compressions
Internal Defibrillation◦ VF – Shock 10J, repeat up to 50J (AP Paddles)
Once in the chest
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https://youtu.be/A57ZB_J4FuY
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SMACC Chicago 2015 John Hinds
https://www.youtube.com/watch?v=GFX_tocJShA
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Intention to perform procedure should be quick
Give a lead in – state from the outset the plan so everyone knows what is coming
Rules in the sick obtunded trauma patient◦ 1) Dont dick about with a duff anaesthetic◦ 2) If they do arrest - dont dick about with a duff
resuscitation attempt
Learn indications and evidence as you wont have time to look these up when you need to perform the procedure!
“Crack the Chest; Get Crucified”
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Bilateral anterior thoracotomy (clamshell incision) is the ideal emergency thoracotomy incision: an anatomic study Simms ER, Flaris AN, Franchino X, et al.. World J Surg 2013; 37:1277.
An evidenced based approach to patient selection for emergency department thoracotomy: A practice management guideline for the Eastern Association for the Surgery of Trauma Seamon et al. Journal of Trauma Acute Care Surgery. 2015, Volume 79, Number 1 159:173
Emergency thoracotomy in thoracic trauma-a review. Hunt et al. Injury. 2006 Jan;37(1):1-19. Epub 2005 Apr 20
Western Trauma Association Critical Decisions in Trauma: Resuscitative thoracotomy, Cburlew et al, 2012 Guideline
http://lifeinthefastlane.com/ed-thoracotomy-is-it-just-the-first-part-of-the-autopsy/, Kane Guthrie
http://www.uptodate.com/contents/resuscitative-thoracotomy-technique
SMACC Chicago, June 2015, “Crack The Chest; Get Crucified”, John Hinds
References
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