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Georgia Cardio Conference Alliance of Cardiovascular Professionals Yuri B. Pride, MD, FACC March 21, 2015 RADIAL ACCESS The latest fad or here to stay?

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Page 1: RADIAL ACCESS - acp-online.org...Radial PCI reduces costs via two main mechanisms Shorter hospital stay Lower bleeding event rate Radial access reduces the cost per PCI by $800-$1,300

Georgia Cardio Conference

Alliance of Cardiovascular Professionals

Yuri B. Pride, MD, FACC

March 21, 2015

RADIAL

ACCESS

The latest fad or here to stay?

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YBP3/21/15

Disclosures

No relevant disclosures

Consultant 2009-present, Boston Clinical Research Institute

• Eli Lilly

• Roche

• Novo Nordisk

• Astellas

2012, Verathon, Inc.

Legal malpractice consulting

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Outline

Background of radial access

Importance of hemorrhagic events

Use of radial access in the US

Studies comparing radial with femoral

Clinical outcomes and cost effectiveness

Drawbacks

Conclusions

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Radial artery catheterization

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Background

Coronary angiography via a percutaneous

femoral approach has been the standard

As catheter size has decreased, the radial

approach has become feasible

First coronary angiogram via the radial

approach was reported in 1989

First PCI was performed in 1993

Campeau L. Cathet Cardiovasc Diagn 1989;16:3–7

Kiemeneij F et al. Am Heart J 1995;130:14–21

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Why radial?

Therapies to improve outcomes among

patients with CAD and ACS have

improved significantly

The rate of death, MI and stroke following

CV procedures has sharply declined

In addition, it has become clear that

bleeding is associated with worse

outcomes

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Bleeding and bad outcomes

Eikelboom JW et al. Circulation 2006;114(8):774-82

HR 5.37 (3.97-7.26)

HR 4.44 (3.16-6.24)

HR 6.46 (3.54-11.79)

N=34,146

OASIS Registry,

OASIS 2, CURE trials

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Bleeding and mortality

Doyle et al. J Am Coll Cardiol. 2009;53:2019-27

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Bleeding reduction strategies

Because of this, strategies to reduce

bleeding have become more prominent

Lower heparin dosing during PCI

Less frequent use of GP IIb/IIIa inhibitors

Bivalirudin (Angiomax)

Femoral artery closure devices

Radial approach

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Radial approach increasing

Feldman DN et al. Circulation. 2013;127:2295-2306

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Radial approach increasing

Feldman DN et al. Circulation. 2013;127:2295-2306

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Geographic variability

Feldman DN et al. Circulation. 2013;127:2295-2306

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Randomized studies

Early small randomized studies

demonstrated the feasibility of radial

artery catheterization

Most were small and single-center

All demonstrated significant reductions in

access site bleeding and improved patient

satisfaction

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Meta analysis of small studies

12 RCTs from 1994-2003

7 were diagnostic only

5 included patients undergoing PCI

Only 2 included patients with ACS

Total of 3,224 patients

Agostoni et al, J Am Coll Cardiol 2004;44:349-56

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Major adverse CV events

Agostoni et al, J Am Coll Cardiol 2004;44:349-56

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Access site complications

Agostoni et al, J Am Coll Cardiol 2004;44:349-56

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Secondary endpoints

Longer fluoroscopy time for radial

8.9 minutes vs. 7.8 minutes, p<0.001

Mean hospital stay shorter for radial

1.8 days vs. 2.4 days, p<0.001

Total hospital charge lower for radial

Agostoni et al, J Am Coll Cardiol 2004;44:349-56

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Larger meta analysis

23 studies from 1993-2007

Major bleeding

Radial 0.5% vs. Femoral 2.3%, p<0.001

Odds ratio 0.27 (95% CI 0.16-0.45)

Trend toward lower death, MI and stroke

Odds ratio 0.71 (95% CI 0.49-1.01), p=0.058

No significant difference in mortality

Odds ratio 0.74 (95% CI 0.42-1.30), p=0.29

Jolly et al. Am Heart J 2009;157:132-40)

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RIVAL study (STEMI and NSTEMI)

Radial(n=3507)

%

Femoral (n=3514)

%HR 95% CI P

Primary Outcome

Death, MI, Stroke, Non-CABG Major Bleed

3.7 4.0 0.92 0.72-1.17 0.50

Secondary Outcomes

Death, MI, Stroke 3.2 3.2 0.98 0.77-1.28 0.90

Non-CABG Major Bleeding

0.7 0.9 0.73 0.43-1.23 0.23

Jolly SS et al. Lancet. 2011;377:1409-1420.

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RIVAL study (STEMI and NSTEMI)

Radial(n=3507)

Femoral (n=3514)

P

Access site Cross-over (%) 7.6 2.0 <0.0001

PCI Procedure duration (min) 35 34 0.62

Fluoroscopy time (min) 9.3 8.0 <0.0001

Persistent pain at access site >2 weeks (%)

2.6 3.1 0.22

Patient prefers assigned access site for next procedure (%)

90 49 <0.0001

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NSTE/ACS

STEMI

NSTE/ACSSTEMI

NSTE/ACSSTEMI

NSTE/ACSSTEMI

NSTE/ACSSTEMI

5063

1958

50631958

50631958

50631958

50631958

3.5

5.2

2.74.6

0.83.2

1.00.9

3.83.5

3.8

3.1

3.42.7

1.21.3

0.60.8

1.41.3

0.25 1.00 4.00Radial better Femoral better

Hazard Ratio(95% CI)

0.025

0.011

0.001

0.56

0.89

Interactionp-value

n Radial Femoral% %

Primary Outcome

Death, MI or stroke

Death

Non CABG Major Bleed

Major Vascular Complications

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STEMI-RADIAL

• Bernat I et al. J Am Coll Cardiol. 2014;63(10):964-972

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RIFLE (STEMI only)

NACE MACCE Bleedings

femoral arm radial armp = 0.003

• Romagnoli E et al. J Am Coll Cardiol. 2012;60:2481-2489

p = 0.029 p = 0.026

21.0%

11.4%

7.2%

12.2%

7.8%

13.6%

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RIFLE (STEMI only)

Cardiac death Myocardial

Infarction

Target Lesion

Revascularization

Cerebrovascular

Accident

femoral arm radial armp = 0.020

p = 1.000 p = 0.604 p = 0.725

9.2%

5.2%

1.4% 1.2% 1.8%1.2% 0.6% 0.8%

• Romagnoli E et al. J Am Coll Cardiol. 2012;60:2481-2489

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MATRIX (all ACS)

End pointRadial

(n=4,197), %Femoral

(n=4,207), %p-value

MACE 8.8 10.3 0.031

Net adverse clinical events

9.8 11.7 0.009

All-cause mortality 1.6 2.2 0.045

MI 7.2 7.9 0.20

Stroke 0.4 0.4 0.20

BARC 3 or 5 bleeding

1.6 2.3 0.013

• Valgimigli M et al. Lancet. 2015; online first

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SAFE-PCI

Women are frequently underrepresented

in randomized studies

Women have higher rates of access site

bleeding in femoral cases

Women have smaller radial arteries

Randomized 1,787 women at 60 US sites

to radial vs. femoral approach

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SAFE-PCI

Radial

(N=290)

Femoral

(N=291)

P

Procedure duration (min) 51.6 ± 32.3 49.9 ± 30.5 0.46

Total radiation dose (mGy) 1604 ± 1394 1472 ± 1274 0.26

Total contrast volume (mL) 152.7 ± 76.9 165.6 ± 82.7 0.03

Patient prefers assigned

access site for next

procedure

71.9% 23.5% <0.01

Rao SV et al. J Am Coll Cardiol Intrv. 2014;7:857-867

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SAFE-PCI

Radial

(N=893)

Femoral

(N=894)

OR

(95% CI)

P

BARC 2, 3, 5

bleeding or Vasc

Complications

0.6% 1.7% 0.3 (0.1-0.9) 0.03

Access site

crossover

6.7% 1.9% 3.7 (2.1-6.4) <0.001

Rao SV et al. J Am Coll Cardiol Intrv. 2014;7:857-867

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Reduction in length of stay, cost

Mann T et al. J Am Coll Cardiol. 1998;32(3):572-6

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Cost effectiveness

Radial PCI reduces costs via two main

mechanisms

Shorter hospital stay

Lower bleeding event rate

Radial access reduces the cost per PCI

by $800-$1,300 depending on the study

Over 1,200 PCIs and 2,100 catheterizations

without PCI performed at GMC per year

Mann T et al. J Am Coll Cardiol. 1998;32(3):572-6

Applegate E et al. Catheter Cardiovasc Interv. 2013;82(4):e375-84

Amin AP et al. JACC Cardiovasc Interv. 2013;6(8):827-34

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So what are the downsides?

Higher crossover rate

4-7% based on randomized studies

Note that crossover rate from femoral to radial

was about 2% in randomized studies

Increased radiation exposure

Seen predominantly in older studies and the

gap is diminishing

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So what are the downsides?

Radial artery occlusion

Symptomatic in about 2-3%

Rarely long-term consequences

Unknown consequences for subsequent

access or use as a bypass conduit

Steep learning curve for operators, staff

Spasm, anatomic differences

Different setup

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Learning curve

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Learning curve

Spaulding et al. Cath Cardiovasc Diagnosis 1996;39:365-370

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Conclusions

Radial artery catheterization is preferred

by patients

Radial artery catheterization reduces

bleeding events and may improve

mortality among STEMI patients and

patients at high risk of bleeding

Radial artery catheterization reduces

hospital costs

Page 36: RADIAL ACCESS - acp-online.org...Radial PCI reduces costs via two main mechanisms Shorter hospital stay Lower bleeding event rate Radial access reduces the cost per PCI by $800-$1,300

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