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Out-of-Hospital Cardiac Arrest In North Carolina James G. Jollis, MD, FACC Co-Medical Director Regional Approach to Cardiovascular Emergencies

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Page 1: Out-of-Hospital Cardiac Arrest In North Carolinaracecars.dcri.org/wp-content/uploads/2014/08/... · Out of hospital cardiac arrest survivors Long-term survival by procedure Dumas

Out-of-Hospital Cardiac Arrest In North Carolina

James G. Jollis, MD, FACC

Co-Medical Director

Regional Approach to Cardiovascular Emergencies

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Disclosure

Research funding from Medtronic Foundation, Medicines Company, Philips Healthcare, Abiomed

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STEMI Systems Coverage

11/19/2012 3

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Individual hospital

Journal of Invasive Cardiology 2011; 23 A:8-12

Hub and spoke model

Regional system

STEMI Accelerator

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STEMI Accelerator

STEMI Accelerator Sites

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HeartRescue

Partner

2nd chain:

Pre-hospital Response

Early

911

Public

access

to AED

Recognize

SCA

Effective

bystander

CPR

1: Bystander Response

Early

Adva

nced

Care

Enhanced

dispatch

Appropriate

defibrillation

therapy

Enhanced

CPR

2: Pre-hospital Response

ICD

Patient

triage to

Resus.

Center of

Excellence

24/7 Cath

Lab Hypothermia

Post-survival

patient

education &

support

3: Hospital Response

Improving SCA Survival by 50% in 5 years in North Carolina

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©2011, American Heart Association

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RACE Cardiac Arrest Resuscitation System

• Goal - increase overall out-of-hospital cardiac

arrest survival rates by 50% over five years

• Support community to state-wide initiatives that

focus on a “systems-based” approach to out-of-

hospital cardiac arrest

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50 yo man felt ill on Aug 5 2012

He was hugging wife, who felt him become heavy and then collapse in her arms

She worked in home health and had learned CPR at work one month earlier

Started CPR, called 9-1-1

Paramedics applied 6 shocks for VFib

ECG obtained

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Taken immediately to cath lab, where 95% RCA found to have slow distal flow

BMS placed; CK-MB 75; LV EF .35

Prognosis declared grim since no corneal reflex on arrival to CCU

Therapeutic hypothermia X 24 hours

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Woke up on his 51st birthday (3 days after arrest)

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We know what to do!

Recognize arrest

9-1-1 with good dispatch

Bystander CPR (high quality)

Rapid EMS response (high quality CPR)

Going to right hospital

Primary PCI (for ST elevation)

Therapeutic hypothermia

Goal-directed intensive care

Rehab and ICD

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We know what to do!

Recognize arrest

9-1-1 with good dispatch

Bystander CPR (high quality)

Rapid EMS response (high quality CPR)

Going to right hospital

Primary PCI (for ST elevation)

Therapeutic hypothermia

Goal-directed intensive care

Rehab and ICD

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RACE Cardiac Arrest Resuscitation System

2) Establish REGIONAL CARDIAC ARREST CENTERS

Measurement & Feedback

3a) HOSPITAL by hospital

establishment of cardiac arrest plan

(review, consensus, training)

3b) EMS by EMS

establishment of cardiac arrest plan

(review, consensus, training)

4) Improve system

1) Develop leadership,

funding, data structure

3c) Community by community

cardiac arrest training/AED

placement

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“Humanity’s greatest advances are not in its discoveries – but in how those discoveries are applied ...”

Bill Gates, June 7, 2007

Harvard Commencement Address

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"Many more people could survive

cardiac arrest if regional systems of

care were implemented"

Circulation. 2010;121:00-00.

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Multifaceted Post-Cardiac Arrest Interventions

(Including PPCI, hypothermia, intensive care)

11

26

19

47

22

37

5653

69

40

0

20

40

60

80

Oddo Sunde Knafelj Wolfrum Galeski

Standard care Intervention

% S

urv

iva

l w

ith

Co

gn

itiv

e

Reco

very

*

Nichols Circulation 2010;121;709-729

*cpc 1 or 2

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US Emergency Healthcare is Fragmented

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118 emergency

departments

540 EMS systems

5,240

paramedics

18,000

EMTs

21 primary PCI

centers

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Cardiovascular emergencies for which

treatment benefit is time dependent

N= 43,801 NCDR STEMI Patients

2005-2006

P <0.001 for trend

STEMI

Stroke

Cardiac Arrest

Rathore BMJ 2009;338:1807 Reimer. Circulation 1977;56:786-794.

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Regional Approach to

Cardiovascular Emergencies

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www.escardio.org/guidelines European Heart Journal 2012 - doi:10.1093/eurheartj/ehs215

Cardiac arrest

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If you don’t measure it, you can’t improve it

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Variation in Survival for Cardiac Arrest Resuscitations Outcomes Consortium

Survival to Discharge for VF Arrest

Nichol JAMA. 2008;300(12):1423-1431

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Therapeutic Hypothermia

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Hypothermia After Cardiac Arrest Study Group

• 275 patients VT/VF

• 5-15 minutes to initiation of

resuscitation

• <60 minutes to restoration

• 24 hour temp 32-34 degrees

• 8 hours to achieve target temp

Cooling blankets, ice packs

N Engl J Med 2002;346:549-56

3351 assessed

3246 ineligible

30 not included

275 enrolled

137 hypothermia

138 normothermia

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Hypothermia Normothermia

Survival

p=0.02

64%

87/137

50%

69/138

Favorable neurologic

outcome

p=0.009

47%

64/134

31%

42/135

Survival and Neurologic Outcome at Discharge

Hypothermia After Cardiac Arrest Study Group

N Engl J Med 2002;346:549-56

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Hypothermia

• Hypothermia saves lives

• Candidates

– Persistent coma (not following

commands) following Return of

Spontaneous Circulation (ROSC)

– VT/VF or “shockable rhythm”

– Possibly asystole / pulseless electrical

activity

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Hypothermia

• Questions remain

– Who, how, when to start, for how long

– Role and value of prehospital hypothermia

– When to assess neurological recovery

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Median times to treatment by year.

Mooney M R et al. Circulation 2011;124:206-214

20% increase risk of death for each

hour of delay to initiation of cooling Time ROSC to

cooling

Good

neuro.

outcome

0 – 39 min 60%

26/43

40 – 102 min 49%

21/43

>102 min 45%

19/42

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Code Cool

1. Induction

2. Maintenance

3. Rewarming

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Surface cooling pads

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Complications of hypothermia

• Increased

pneumonia /

sepsis risk

• Hypovolemia

• Bradycardia

• Hyperglycemia

• Decreased drug

clearance

• Increased bleeding

• Shivering

• Loss of K, Mg,

Phos, Ca.

• Hyperkalemia in

rewarming stage

Polderman KH, Crit Care Med 2009; 37:1101–1120

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URGENT CORONARY ANGIOGRAPHY

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Who should go to the cath. lab?

All patients

versus

Only patients with obvious STEMI

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84 consecutive cardiac arrest patients

Spaulding et al. NEJM 1997;336:1629-33

100%

CAD

n = 40

50 - 90%

CAD

n = 20

No sign.

CAD

n = 24

9 of 40

no ST elevation and

no chest pain

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PROCAT (Parisian Region Out of Hospital Cardiac Arrest) Registry

128 (96%)

Sig. lesion

6 (4%)

No sig. lesion

176 (58%)

Sig. lesion

99 (74%)

PCI

78 (26%)

PCI

125 (42%)

No sig. lesion

435

Out of hospital cardiac arrest

134 (31%)

ST elevation

301 (69%)

Other ECG

Circ Cardiovasc Interv. 2010;3:200-207.

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• 1,198 patients with isolated ant. ST depression

• 314 (26%) had an occluded culprit artery

J Am Coll Cardiol Int 2010;3:806 –11

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Epidemiology Autopsy – witnessed arrest, Nottingham UK

VF Other (Asystole, PEA)

Previous MI 53% 45%

CAD

None - mild 7% 5%

1 Vessel 13% 10%

2 Vessel 23% 15%

3 Vessel 37% 41%

Thrombosis 31% 30%

LVH 53% 54%

47

Resuscitation 51 (2001) 257–264

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Out of hospital cardiac arrest survivors Long-term survival by procedure

Kings County, WA

2001-2009

1001 discharged alive of

5958 cardiac arrests

PCI

• within 6 hours - 80%

• ST elevation MI - 71%

PCI No

PCI

Age* 59 63

VF* 90% 55%

Witnessed* 93% 80%

Bystander CPR 48% 45%

Cardiomyopathy* 12% 32%

P values <0.01*

Dumas F, et al. J Am Coll Cardiol 2012;60:21–7

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Out of hospital cardiac arrest survivors Long-term survival by procedure

Dumas F, et al. J Am Coll Cardiol 2012;60:21–7

PCI

No PCI

Survival by PCI

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PCI

Out of hospital cardiac arrest survivors Long-term survival by procedure

Dumas F, et al. J Am Coll Cardiol 2012;60:21–7

No PCI PCI / no TH

PCI / TH

No PCI / no TH

No PCI / TH

Survival by PCI and therapeutic hypothermia (TH)

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Out of hospital cardiac arrest survivors Long-term survival by procedure

Dumas F, et al. J Am Coll Cardiol 2012;60:21–7

Hazard

Ratio 95% CI P value

PCI 0.55 0.40-0.76 <0.001

Therapeutic

Hypothermia 0.67 0.47-0.95 0.02

Adjusted for adjusted for age, sex, initial rhythm, etiology, arrest location,

witnessed, bystander CPR, EMS response interval, DM, dyslipidemia,

smoking, HTN, cardiomyopathy, etiology, CAD, CPC score, year

Proportional Hazards Model Adjustment

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CPR

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Bystander CPR 2.4 times survival to hospital discharge

0.1 0.5 1 3 10 50

Baseline survival

0 – 2.1

2.1 – 4.1

4.2 – 6.7

6.8 – 9.0

9.1 +

5.0

4.0

2.7

1

1.2

Circ Cardiovasc Qual Outcomes. 2010;3:63-81

2.4 (95% CI 1.7 - 3.2) Overall

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Chest-compression-only vs. standard CPR Meta-analysis of randomized dispatch instruction

Lancet 2010; 376: 1552–57

Survival to hospital discharge in 3 trials

P = 0.04

Favors standard CPR

Favors compression only CPR

1.2 (1.01 – 1.46)

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Chest compression only CPR

Bystanders more willing to initiate

Arterial blood is adequately oxygenated at onset of primary cardiac arrest

Less likely to cause regurgitation of stomach contents

Rescue breathing interrupts critical chest compressions

Easier to teach

Observational evidence of improved survival

Ramaraj R, Ewy GA. Heart 2009;95:1978–1982.

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Bystander CPR

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JAMA ORIGIONAL CONTRIBUTION

Chest Compression-Only CPR by Lay Rescuers and Survival

From Out-of-Hospital Cardiac Arrest

Bobrow et al. JAMA 2010;304:1447-1454

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Overall incidence of bystander CPR

100%

80%

60%

40%

20%

0%

2005 2006 2007 2008 2009

28%

40% P < 0.05

Bystander CPR for OHCA in Arizona (2005 to 2010)

Bobrow, et al. JAMA 2010;304:1447-1454

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Percent of lay CPR providers who performed CO-CPR

100%

80%

60%

40%

20%

0%

2005 2006 2007 2008 2009

20%

76%

P < 0.0001

Bystander CPR for OHCA in Arizona (2005 to 2010)

Bobrow, et al. JAMA 2010;304:1447-1454

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35%

30%

25%

20%

15%

10%

5%

0%

17.7%

33.7%

Su

rviv

al to

Ho

sp

ita

l D

isch

arg

e

Std-CPR CO-CPR

P < 0.001

Witnessed/Shockable

7.8%

Std-CPR

13.3%

CO-CPR

A. B. All OHCA

AOR 1.6 (95% CI, 1.08-2.35)

Bobrow, et al. JAMA 2010;304:1447-1454

Chest Compression-Only CPR by Lay Rescuers and

Survival From Out-of-Hospital Cardiac Arrest

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CPR Quality

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Coronary Perfusion pressure (Ao diastolic- RA diastolic)

Standard CPR 15:2

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Chest compression fraction and survival

506 patients with VF / VT and no defib. before EMS arrival.

Electronically recorded cardiopulmonary resuscitation before the first shock.

Age 64, 80% male

51% bystander CPR

6 minutes call to scene

11 minutes call to first shock.

ROSC 72%

Survived to discharge 23%

ROC Investigators Circulation. 2009;120:1241-1247.

Pe

rce

nta

ge

su

rviv

ing

0%-20%

Survival to discharge

81-100% 41-60% 21-40% 61-80%

20%

10%

0%

40%

30%

Chest compression fraction

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Dispatcher Instruction

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Amsterdam dispatch

506 cardiac arrest emergency calls (3%)

Unrecognized, dispatch 0.9 min later, on scene 1.4 minute later

Main reason for not recognizing the cardiac arrest was not asking if the patient was breathing (42 of 82) / describe the type of breathing

Berdowski, J. Circulation. 2009;119:2096-2102

3 month survival by dispatch recognition

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Odds ratio of survival by CPR status and BLS response time Witnessed cardiac arrest, King County 1983 – 2000, n = 7265

BLS response time

< 3 min 4 min > 5 min Overall

Odds

rati

o o

f su

rviv

al

1.8

2.0

1.6

1.9

1.5

1.1

1.5

1.8

Dispatcher instructed CPR Bystander CPR

No CPR

reference

Rea TD et al. Circulation. 2001;104: 2513-2516.

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Can we improve bystander CPR rates from 18% to 40% in Durham?

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Durham as case study in cardiac arrest

Bystander CPR rate in 2010 was 18% (24% nationally, 40% in Seattle and Arizona)

Duke is number one employer in Durham

“Hands-only CPR” can be taught with 5 minute training module

Program to train all Duke employees to perform CPR

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Can we identify patterns of frequency of arrests, bystander CPR rates, time to

response at neighborhood level to improve care?

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Attempted resuscitations 2009- 2010 Bystander CPR rates by Neighborhood

Fosbol

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Duke Football Game September 1, 2012

>500 people trained in CPR

(8 people, 4 hours = 16 trained per man-hour )

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To improve CPR rates in Durham and in NC, where should we start?

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NC Health Systems Number of Employees

Carolinas HealthC 48,120

UNC 44,200

Duke U 33,705

Vidant 11,000

9,000

7,000

Wake 5,400

5,400 employees, 565 physicians

and 800 active volunteers

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Recognition and activation

Dispatchers should instruct untrained lay

rescuers to provide Hands-Only CPR for

adults who are unresponsive with no

breathing or no normal breathing.

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How do we improve application of hypothermia?

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Hypothermia for PEA arrest? Can we predict no chance for recovery within 5 days?

47-year-old woman with a history of atrial fibrillation,

recently started on dofetilide, who suffered a witnessed

ventricular fibrillation cardiac arrest while a passenger in

a car on April 5th 2011 at about 10:30 a.m.

• PEA on ED arrival, 45 min of CPR

• Therapeutic hypothermia begun

• Shock, acute renal failure treated with dialysis, and

severe anoxic brain injury.

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April 11 (6 days after arrest). No response to commands.

GCS 5. Multisystem organ failure.

My note:

“2. Cardiac arrest and anoxic encephalopathy. Her

chance of recovery is becoming very small. We discussed

her situation with her husband. “

April 13 (8 days after arrest). Still comatose.

“We had a long discussion with her family, including review

of her decreasing likelihood of good recovery, and what

she would want us to do under that circumstance.

Decision to continue care. Trach/PEG April 15.

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Discharged April 28, still on dialysis, moving around, but not following commands or speaking

Since has made complete recovery – returned to cardiology clinic January 11

Had long discussion with her and her husband at Costco last Sunday

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Improving outcomes in cardiac arrest

Conclusions:

• Cardiac arrest is common and care and outcomes are

heterogeneous.

• There are some regions including Rowan, Mecklenburg

and Wake counties with higher survival rates.

• Simple interventions in the chain of survival improve

survival, with focus on bystander CPR, EMS protocols,

primary PCI, therapeutic hypothermia.

• 50% improvement in survival is a bold but realistic

goal.

• Regional systems will play a key role in improving

regional care of cardiovascular emergencies