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A randomized comparison of RadIal Vs. femorAL access for coronary intervention in ACS (RIVAL) SS Jolly, S Yusuf, J Cairns, K Niemela, D Xavier, P Widimsky,

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Presentation on theme: "A randomized comparison of RadIal Vs. femorAL access for coronary intervention in ACS (RIVAL) SS Jolly, S Yusuf, J Cairns, K Niemela, D Xavier, P Widimsky,"— Presentation transcript:

1 A randomized comparison of RadIal Vs. femorAL access for coronary intervention in ACS (RIVAL) SS Jolly, S Yusuf, J Cairns, K Niemela, D Xavier, P Widimsky, A Budaj, M Niemela, V Valentin, BS Lewis, A Avezum, PG Steg, SV Rao, P Gao, R Afzal, CD Joyner, S Chrolavicius, SR Mehta on behalf of the RIVAL investigators

2 R I V A LDisclosures Funded by: Sanofi-Aventis and Bristol-Myers Squibb (RIVAL sub-study of CURRENT/OASIS 7) Sanofi-Aventis and Bristol-Myers Squibb (RIVAL sub-study of CURRENT/OASIS 7) Population Health Research Institute Population Health Research Institute CANadian Network and Centre for Trials INternationally (CANNeCTIN, an initiative of Canadian Institutes of Health Research) CANadian Network and Centre for Trials INternationally (CANNeCTIN, an initiative of Canadian Institutes of Health Research)

3 R I V A L Bleeding is associated with Death and Ischemic Events Eikelboom JW et al. Circulation 2006;114(8): HR 5.37 ( ) HR 4.44 ( ) HR 6.46 ( ) N=34,146 OASIS Registry, OASIS 2, CURE trials

4 R I V A L Prior Meta-analysis of 23 RCTs of Radial vs. Femoral (N=7030) Radial betterFemoral better1.0 PCI Procedure Failure Death Death, MI or stroke Major bleeding 1.31 ( ) 0.74 ( ) 0.71 ( ) 0.27 ( ) Jolly SS, et al. Am Heart J 2009;157:

5 R I V A L RIVAL Study Objective - To determine if Radial vs. Femoral access for coronary angiography/PCI can reduce the composite of death, MI, stroke or non-CABG major bleeding in ACS patients

6 R I V A L NSTE-ACS and STEMI (n=7021) Radial Access (n=3507) Femoral Access (n=3514) Primary Outcome: Death, MI, stroke or non-CABG-related Major Bleeding at 30 days Randomization RIVAL Study Design Key Inclusion: Intact dual circulation of hand required Interventionalist experienced with both (minimum 50 radial procedures in last year) Jolly SS et al. Am Heart J. 2011;161: Blinded Adjudication of Outcomes

7 R I V A LDefinitions Major Bleeding (CURRENT/ OASIS 7) Fatal > 2 units of Blood transfusion Hypotension requiring inotropes Leading to hemoglobin drop of ≥ 5 g/dl Requiring surgical intervention ICH or Intraocular bleeding leading to significant vision loss Major Vascular Access Site Complications Large hematoma Pseudoaneurysm requiring closure AV fistula Other vascular surgery related to the access site

8 R I V A L Final Recruitment Final Recruitment RIVAL Stand-Alone After CURRENT N= 3190 RIVAL Total N=7,021 RIVAL sub-study during OASIS 7/CURRENT N= Follow-up complete in 99.9% CURRENT-OASIS 7. N Engl J Med. 2010;363: Mehta SR, et al. Lancet. 2010; 376:

9 R I V A L International Study International Study Middle East/Israel 239 Australia and New Zealand 64 North America 1614 South America 423 Asia 1117 Europe 3564

10 R I V A L Baseline Characteristics Radial (n =3507) Femoral (n =3514) Mean Age (years)62 Male (%) Diabetes (%) Diagnosis at presentation UA (%) NSTEMI (%) STEMI (%)

11 R I V A L Therapies - Initial Hospitalization Therapies - Initial Hospitalization Radial (n=3507) % Femoral (n=3514) % ASA Clopidogrel LMWH UFH Fondaparinux Bivalirudin GP IIb IIIa inhibitors PCI CABG8.88.3

12 R I V A L Operator Volume Procedure Characteristics Radial (n=3507) Femoral (n=3514) HR (95% CI) P value Operator Annual Volume PCI/year (median, IQR) 300 (190, 400) Percent Radial PCI ( median, IQR) 40 (25,70) PCI Success ( )0.83 Vascular closure devices used in 26% of Femoral group

13 R I V A L Primary and Secondary Outcomes Radial (n=3507) % Femoral (n=3514) % HR 95% CI P Primary Outcome Death, MI, Stroke, Non-CABG Major Bleed Secondary Outcomes Death, MI, Stroke Non-CABG Major Bleeding

14 R I V A L Other Outcomes Other Outcomes Radial (n=3507) % Femoral (n=3514) % HR 95% CI P Major Vascular Access Site Complications < Other Definitions of Major Bleeding TIMI Non-CABG Major Bleeding ACUITY Non-CABG Major Bleeding* < * Post Hoc analysis

15 R I V A L Other Outcomes Other Outcomes Radial (n=3507) % Femoral (n=3514) % HR 95% CI P Death MI Stroke Stent Thrombosis

16 R I V A L Other Outcomes Other Outcomes Radial (n=3507) Femoral (n=3514) P Access site Cross-over (%) < PCI Procedure duration (min) Fluoroscopy time (min) < Persistent pain at access site >2 weeks (%) Patient prefers assigned access site for next procedure (%) 9049< Symptomatic radial occlusion requiring medical attention 0.2% in radial group

17 R I V A L Site of Non-CABG Major Bleeds (RIVAL definition) * Sites of Non Access site Bleed: Gastrointestinal (most common site), ICH, Pericardial Tamponade and Other

18 Death, MI, Stroke or non-CABG major Bleed Subgroups: Primary Outcome Subgroups: Primary Outcome R I V A L Radial better Femoral better Hazard Ratio (95% CI) <75 ≥75 Female Male < >35 ≤ >142.5 Lowest Tertile Middle Tertile Highest Tertile NSTE-ACS STEMI Age Gender BMI Radial PCI Volume by Operator Radial PCI Volume by Centre Diagnosis at presentation Overall Interaction p-value

19 Radial better Femoral better Hazard Ratio(95% CI) High Medium Low High Medium Low High Medium Low High Medium Low High Medium Low Interaction p-value HR (95% CI) Primary Outcome Death, MI or stroke Non CABG Major Bleed Major Vascular Complications Access site Cross-over Results stratified by High*, Medium* and Low* Volume Radial Centres R I V A L No significant interaction by Femoral PCI center volume Tertiles of Radial PCI Centre Volume/yr *High (>146 radial PCI/year/ median operator at centre), Medium (61-146), Low (≤60)

20 NSTE/ACS STEMI NSTE/ACS STEMI NSTE/ACS STEMI NSTE/ACS STEMI NSTE/ACS STEMI Radial better Femoral better Hazard Ratio(95% CI) Interaction p-value 2NRadial Femoral % Primary Outcome Death, MI or stroke Death Non CABG Major Bleed Major Vascular Complications Outcomes stratified by STEMI vs. NSTEACS R I V A L

21 Conclusion No significant difference between radial and femoral access in primary outcome of death, MI, stroke or non-CABG major bleeding No significant difference between radial and femoral access in primary outcome of death, MI, stroke or non-CABG major bleeding Rates of primary outcome appeared to be lower with radial compared to femoral access in high volume radial centres and STEMI Rates of primary outcome appeared to be lower with radial compared to femoral access in high volume radial centres and STEMI Radial had fewer major vascular complications with similar PCI success Radial had fewer major vascular complications with similar PCI success

22 R I V A L Implications Implications Both radial and femoral approaches are safe and effective Both radial and femoral approaches are safe and effective Increasing experience may improve outcomes with radial access Increasing experience may improve outcomes with radial access Clinicians and patients may choose radial because of its similar efficacy and reduced vascular complications Clinicians and patients may choose radial because of its similar efficacy and reduced vascular complications

23 Available Online at

24 R I V A L Acknowledgements Acknowledgements RIVAL Investigators from 158 sites in 32 countries Steering Committee S.S. Jolly (PI)S.R. Mehta (PI) S. Yusuf (Chair)C.D. Joyner (Adjudication Chair) S. ChrolaviciusM. Keltai A. AvezumF. Lanas A. BudajB. Lewis J. CairnsK. Niemela R. Diaz S.V. Rao V. DzavikP. G. Steg M.G. Franzosi V. Valentin C. B. Granger P. Widimsky D. Xavier DMC P. Sleight (Chair)) D. R. Holmes Jr. J.L. Anderson D.E. Johnstone D. DeMets J. Hirsh Project Office Study Team S. Chrolavicius (Project Manager) B. Jedrzejowski (Research Coordinator) M. Lawrence (Events Adjudication Coordinator) R. Manojlovic, L. Mastrangelo, E. Pasadyn, C. Agrippa, M. McClelland, (former ) C. Cramp, C. Horsman, A. Robinson, L. Blake, W. Chen, S. Diodato, A. Lehmann, T. Sovereign, L.Wasala Statisticians and Biometrics R. Afzal (IDMC-Associated) P. Gao L. Xu X. Yang E. Dai


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