Pediatric Cardiac Arrest Care in 2015 - Kids Rock NLMeasuring CPR Metrics in Children CC-Rate,...
Transcript of Pediatric Cardiac Arrest Care in 2015 - Kids Rock NLMeasuring CPR Metrics in Children CC-Rate,...
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Pediatric Cardiac Arrest Care in 2015
Allan de Caen
Pediatric Critical Care Medicine,
Stollery Children’s Hospital/ University of Alberta
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Conflicts of interest
Financial
None
Academic/ Intellectual:
Co-Chair, ILCOR Pediatric Task Force (2006-2015)
Chair, AHA ‘PALS Guidelines’ Writing Group (2015)
Heart and Stroke Foundation of Canada
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Outline
Are outcomes from pediatric cardiac arrest improving, and if so, why?
What are the markers of effective Pediatric CPR?
What is the future of Pediatric CPR?
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Are Outcomes from Pediatric Out-of-Hospital Cardiac Arrest (OHCA) Improving?
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OHCA survival (%)
Bystander CPR (%)
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Why are Outcomes from Pediatric OHCA so Poor?
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% etiologies
SIDS
Trau
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Submer
sion
Car
diac
Cardiac Arrest Etiologies
Young 2004 Herlitz 2005 Lopez-Herce 2004 *
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Donoghue, 2005
Pediatric OHCA
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Cardiac Arrest after Blunt or Penetrating Trauma
Witnessed signs of life before cardiac arrest and with CPR ongoing or initiated within 5 minutes in the field, Immediate transportation to an ED with on-going CPR
Unwitnessed traumatic cardiac arrest: acceptableduration of CPR (including bystander CPR) of lessthan 30 minutes may be considered
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0 to 2CHD
3 to 13CHD/ CM/1°rhythm
14 to 25CHD/
1°rhythm
Survival to hospital DC
(%)
Sudden Cardiac Death
King County, WashingtonMeyer et al, Circulation, 2012
1980-1989
1990-1999
2000-2009
•Primary cardiac disease only
•< 3 min EMS response time 53% of cases
•51% rate of bystander CPR
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Improving Survival and Neurological Function for Younger Age
Groups After Out-of-Hospital Cardiac Arrest in Sweden:
A 20 Year ComparisonGelberg, Peds CCM, In Press
P=0.35
P=0.45
P=0.003
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0-12 months 1-4 yrs 5-12 yrs 13-21 yrs
30 d
ay s
urv
ival
(%)
Early
Late
P=0.0004
•Crew-witnessed OHCAs excluded
•Trauma and SIDS included
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•Trauma excluded
•Crew-witnessed OHCAs included
•Includes SIDS
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Pediatric IHCA Survival to Hospital D/CGirotra, Circ Cardiovasc Qual Outcomes, 2013
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Risk Adjusted Survival (%)
Survival trends not accompanied by higher rates of neurological
disability among survivors over time (unadjusted P for trend=0.32)
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Why are Outcomes from Pediatric IHCA Improving?
Earlier movement of patients into monitored setting (PICU) pre-arrest
Better PICU care (pre-, during and post-arrest)?
Berg et al, CCM, 2013
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Duration of CPR and Illness Category Impact Survival and CNS Outcomes for IHCA
Matos, Circulation, 2013
3419 children from 328 N. American GWTG-R sites with in-hospital cardiac arrests (Jan 2000 -Dec 2009)
Adjusted probability of survival:
CPR duration of 1 to 15 minutes: 41%
CPR duration of >35 minutes: 12%
Among survivors, favorable neurological outcome occurred in:
CPR duration of 1 to 15 minutes: 70%
CPR duration of >35 min: 60%
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Between 1 and 15 minutes of CPR, survival decreased linearly by 2.1% per minute
Matos, Circulation, 2013
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Between 1 and 15 minutes of CPR, rates of favorable CNS outcome decreased by 1.2% per minute
Matos, Circulation, 2013
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ECPR: ECLS for Refractory Pediatric IHCA
Rapid-Response Extracorporeal Membrane Oxygenation to Support Cardiopulmonary Resuscitation in Children With Cardiac Disease
Kane Circulation 2010
180 ECPR runs in 172 patients
51% survived to discharge
Outcomes among neonates,
infants, and children after ECPR
for refractory IHCA (NRCPR)
Raymond, Peds CCM, 2010
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Is High Quality CPR Making a Difference in Current Pediatric Cardiac Arrest Outcomes?
What is high quality CPR?
Meaney et al, Circulation, 2013
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What do Chest Compressions do?
The critical effect of chest compressions is generation of coronary artery perfusion pressure (CPP)
CPP is the surrogate for ROSC (return of spontaneous circulation) in animal studies
Do CPR metrics correlate with CPP ?
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Measuring CPR Metrics in Children
CC-Rate, Depth, Leaning, Ventilation Rate, EtC02
Most of our current CPR metrics have (up until now) been extrapolated from animal/ adult/ pediatric (non-arrest models) data
Accelerometer technology in new monitor-defibrillators using anterior-posterior pads allow accurate measurement (and real-time AV feedback) of CC rate/ depth/ leaning
Limited pediatric clinical data exists to date to show associations between CPR metrics and patient outcomes
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Sutton, Pediatrics,
2009
Sutton, Resuscitation,
2013
> 8 yrs. age
< 8 yrs. age
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2010 American Heart Association recommended compression depths during pediatric in-hospital
resuscitations are associated with survivalSutton, Resuscitation, 2014
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How Deep is Deep Enough?
Compressing to an arbitrary depth (cm or % of chest diameter) is impractical and too subjective
Better to “Press hard” as overly deep compressions are currently an uncommon occurrence
Mattress compression leads to overestimation of compression depth, even when current accelerometers are used (ie. use a backboard)
Outcome data is needed that
derives from accelerometer-based
and mattress compression-
adjusted CPR metrics, especially
from younger pts
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Sutton, Resuscitation, 2014
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CC rate and Quality of Pediatric CPR
A CC-rate ≥100/min was associated with:
Diastolic BP ≥30 mmHg (OR 2.15; p< 0.001).
Sutton, Resuscitation, 2013
Dashed lines are 95% confidence intervals
Idris et al, Circulation. 2012.
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Niles, Resuscitation, 2009
Leaning During CPR
Leaning during CPR reduces chest wall recoil and impedes
venous return, reducing both CPP and cerebral perfusion
Niles, Resuscitation, 2011
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86
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mmHg
12 30 30 + C02
ventilatory rate (breaths/ min)
MIP
PaC02
CPP
survival
Aufderheide et al, Circulation, 2004
Killing CPR Victims with Hyperventilation?
Adults and children are frequently inadvertently hyperventilated
during cardiac arrest Aufderheide, 2004; Abella, 2005; McInnes, 2011
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End tidal C02 is a surrogate for pulmonary blood flow
and overall cardiac output, assuming that
ventilation (tidal volume/ rate) doesn’t vary
Paucity of pediatric-specific data
Quantifying Physiologic Effectiveness of CCs
20 mm Hg
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What is the Future of Pediatric CPR ?
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Re
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ACLSTraining
ACLSTraining
ACLSTraining
ACLSTraining
Resuscitation Performance Over Time With Various Training Techniques
Ideal Performance
Ideal Performance Ideal Performance
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What do Chest Compressions do?
The critical effect of chest compressions is generation of coronary artery perfusion pressure (CPP)
CPP is the surrogate (animal studies) for ROSC
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Paradis, JAMA, 1990
• Only patients (total n=100) with max. CPP of > 15 mm Hg had ROSC
• Likelihood of ROSC increased as CPP increased
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Monitoring Physiological Response to Resuscitation (Adults)
1. Invasive Monitoring: CPP >20 mm Hg
2. Arterial Line Only: BPd>25 mm Hg
3. Capnography Only: EtC02 >20 mm Hg
Meaney et al, Circulation, 2013
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Nagdyman, BJA, 2003
NIRS
Venous Oxygen Saturation Monitoring Nakazawa, ICM, 1994
Organ Perfusion
Monitoring During
CPR
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Real-time Feedback Improving Pediatric CPR Quality
Sutton, Resuscitation, 2013
Martin, Resuscitation, 2013
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Interdisciplinary ICU Cardiac Arrest DebriefingImproves Survival Outcomes
Wolfe, CCM, 2014
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Improving Code Team Performance andSurvival Outcomes: Implementation of Pediatric
Resuscitation Team TrainingKnight, CCM, 2014
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Adherence to SOP(%)
Survival toDischarge (%)
Pre-intervention
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cOR = 2.30
cOR = 2.14
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AustralianResuscitation
Council
October 2015: ILCOR CoSTR and Council-Guidelines
ILCOR Systematic Reviews at
https://volunteer.heart.org/apps/pico/Pages/default.aspx
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