Intraoperative Cardiac Arrest: Difference between revisions

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'''<u>Incidence of Perioperative Cardiac Arrest (CA):</u>'''
<ref>Fister N, Syed A, Tobias JD. Intraoperative Cardiac Arrest: Immediate Treatment and Diagnostic Evaluation. J Med Cases. 2021 Jan;12(1):18-22. doi: 10.14740/jmc3579. Epub 2020 Nov 18. PMID: 34434422; PMCID: PMC8383635.</ref>'''<u>Incidence of Perioperative Cardiac Arrest (CA):</u>'''


Increase with higher ASA status
Increase with higher ASA status
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Children (<12 year old): 2x more likely to experience CA, infants (<1 year old): 10x, neonates (<1month old): 50x
Children (<12 year old): 2x more likely to experience CA, infants (<1 year old): 10x, neonates (<1month old): 50x
'''<u>Causes for Pediatric Perioperative Arrest:</u>'''


'''<u>Causes for Pediatric Perioperative Arrest:</u>'''
<ref>Shaffner DH, Heitmiller ES, Deshpande JK. Pediatric perioperative life support. Anesth Analg. 2013 Oct;117(4):960-979. doi: 10.1213/ANE.0b013e3182a1f3eb. Epub 2013 Sep 10. PMID: 24023023.</ref>'''<u>Causes for Pediatric Perioperative Arrest:</u>'''


* CIRCULATORY FAILURE:
* CIRCULATORY FAILURE:
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** Overdose  - Weight-based dosing of IV anesthetic on induction in a child with hypovolemia or compensated shock may lead to collapse
** Overdose  - Weight-based dosing of IV anesthetic on induction in a child with hypovolemia or compensated shock may lead to collapse


'''<u>Important Resuscitation Steps:</u>'''
 
<ref>Source: Shaffner DH, Heitmiller ES, Deshpande JK. Pediatric perioperative life support. Anesth Analg. 2013 Oct;117(4):960-979. doi: 10.1213/ANE.0b013e3182a1f3eb. Epub 2013 Sep 10. PMID: 24023023.</ref>'''<u>Important Resuscitation Steps:</u>'''


# Inform team
# Inform team
# Stop surgical stimulation
# Stop surgical stimulation
# Stop anesthetics (gas & sedation gtt)  and vasodilatory meds
# Stop anesthetics (volatiles & sedation infusion)  and vasodilatory meds
# 100% Oxygen
# 100% Oxygen
# Open fluids and Trendelenburg position
# Open fluids and Trendelenburg position
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[[File:Prone Chest Compression.jpg|thumb|Prone Chest Compression (Shaffner et al. 2013)]]
[[File:Prone Chest Compression.jpg|thumb|Prone Chest Compression (Shaffner et al. 2013)]]
'''<u>Methods of Measuring Effectiveness of CPR</u>'''


'''<u>Methods of Measuring Effectiveness of CPR</u>'''
'''<u>Methods of Measuring Effectiveness of CPR</u>'''
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* MVO2
* MVO2
** <30% was associated with no ROSC
** <30% was associated with no ROSC


'''<u>Post Resuscitation:</u>'''  
'''<u>Post Resuscitation:</u>'''  
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* Avoid hypoglycemia
* Avoid hypoglycemia
* Avoid hyperventilation (unless herniating)
* Avoid hyperventilation (unless herniating)




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* If the patient has IV or IO access, then a lower dose of succinylcholine should be used to break laryngospasm (0.3–1.0 mg/kg)
* If the patient has IV or IO access, then a lower dose of succinylcholine should be used to break laryngospasm (0.3–1.0 mg/kg)
* Of note, don’t need to aspirate before IM injection
* Of note, don’t need to aspirate before IM injection




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Neurosurgeon should immediately tap the VP shunt to remove cerebrospinal fluid (CSF) and reduce ICP.
Neurosurgeon should immediately tap the VP shunt to remove cerebrospinal fluid (CSF) and reduce ICP.




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CPR and vasopressor administration may be needed
CPR and vasopressor administration may be needed




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Alkalosis Hyperventilation (can see immediate decrease in T waves)
Alkalosis Hyperventilation (can see immediate decrease in T waves)




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Max total dose 10 mL/kg of lipid emulsion over 30 minutes  
Max total dose 10 mL/kg of lipid emulsion over 30 minutes  




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Serum tryptase level is a useful indicator that mast cell degranulation occurred. The test for serum tryptase is time sensitive and needs to be obtained within 3 hours
Serum tryptase level is a useful indicator that mast cell degranulation occurred. The test for serum tryptase is time sensitive and needs to be obtained within 3 hours




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