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David R. Holmes, MD Mayo Clinic Rochester, MN

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1 David R. Holmes, MD Mayo Clinic Rochester, MN
The 5 Best Trials from that may Impact my Practice CRT 2012 Washington, DC February 2012 David R. Holmes, MD Mayo Clinic Rochester, MN

2 I have no real or apparent conflicts of interest to report.
David R. Holmes, MD I have no real or apparent conflicts of interest to report.

3 So much data, so little time…

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5 TAVR

6 Clinical Documents in Development
Societal Overview of TVT by ACCF and STS (July 2011) ACCF,STS,AATS, SCAI led expert consensus document on pre- and post-procedural issues, including patient selection (Jan 2012) SCAI, AATS, ACCF, STS led competence statement addressing institutional and operator requirements (First Quarter 2012) ACCF led update guideline on Valvular Heart Disease (TBD) All multi-societal efforts involving physician stakeholders

7 Consensus Recommendations ACC and STS
Focus TAVR Programs Specialized Heart Centers Multidisciplinary teams Expert surgeons and interventionalists and imagers Expertise with high risk and structural heart disease patients Ancillary personnel Optimal facilities Protocol development Patient selection Procedural details Complication management

8 Consensus Recommendations ACC and STS
TAVR Programs Participate in TVT Registry Track appropriate use Patient selection Outcomes – risk benefit ratio Development of post procedural protocols Development of communication strategies

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11 2007: STS Quality Measurement Task Force developed a multidimensional composite quality measure for isolated CABG – 11 process and outcome measures in 4 quality domains : In collaboration with Consumers Union, STS published isolated CABG composite’s cores. Public Reporting Initiative Rating system: Below average Average Above average Shahian DM et al:Ann Thorac Surg 92:S12-S23, 2011

12 Other Performance Metrics
Safety – fewer adverse hospital events and medical errors Timeliness – reduced waiting time Equity – reduce racial and ethnic disparities Effectiveness – treatment results are superior to alternatives, including no treatment Efficiency – minimize waste, maximize quality/ cost ratio Patient-centricity – respect patient preferences and goals Shahian DM et al:Ann Thorac Surg 92:S12-S23, 2011

13 ACC Website(s) Consumer Reports Hospital/Compare USNWR

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15 Depends on whether you are the one bleeding or not
Moderate Bleeding Depends on whether you are the one bleeding or not

16 Cumulative hazard rates
Major Bleeding Warfarin Dabigatran 150 Cumulative hazard rates Dabigatran 110 Follow-up (yr) No. at risk 6,015 5,835 5,640 4,510 2,872 1,349 6,076 5,839 5,638 4,557 2,928 1,366 6,022 5,801 5,600 4,474 2,797 1,269

17 Major Bleeding ISTH Definition
Warfarin 31% RRR Event (%) Apixaban Apixaban 327 patients, 2.13% per year Warfarin 462 patients, 3.09% per year HR 0.69 (95% CI, ); P<0.001 Month No. at risk Apixaban Warfarin

18 Medication Safety Alert Dabigatran January 12, 2012
Launched in 2010 First quarter 2011 932 serious adverse events reported 120 deaths 25 permanent disability 543 repeat hospitalization 505/932 involved hemorrhage 120 of which indicted hemorrhagic stroke+ + Warfarin ranked second – 176 episodes of hemorrhage

19 Disappearing LAA Thrombus Resulting in Stroke
Parekh A, Ezekowitz M et al: Circ 114:e513, 2006

20 Left Atrial Function Single-center study of 150 patients undergoing Maze procedure using radiofrequency and cryo-ablation for AF Sustained Sinus rhythm during follow-up Goal: assess LA mechanical contraction post-op and determine if it imposes increased risk of stroke Endpoint: ischemic stroke felt secondary to T/E event Buber J, J Am Coll Cardiol 58: , 2011

21 Left Atrial Function 3 Months 1 Year Absent LAMC Absent LAMC 31% 31%
69% 69% Present LAMC Present LAMC Buber J, J Am Coll Cardiol 58: , 2011

22 Left Atrial Function Survival Free of Stroke by LAMC
Buber J, J Am Coll Cardiol 58: , 2011

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24 Intent-to-Treat: All Stroke
WATCHMAN Control Rel risk Posterior probabilities* Cohort Rate (95% CI) Rate (95% CI) (95% CI) Noninferiority Superiority 600 pt-yr 3.4 ( ) 3.6 ( ) 0.96 ( ) 900 pt-yr 2.6 ( ) 3.5 ( ) 0.74 ( ) 1,065 pt-yr 2.3 ( ) 3.2 ( ) 0.71 ( ) 1,350 pt-yr 2.1 ( ) 2.7 ( ) 0.78 ( ) 1,500 pt-yr 2.0 ( ) 2.7 ( ) 0.77 ( ) 23% lower relative risk in WATCHMAN group *No adjustment made for multiple comparisons

25 LAA Occlusion What Do We Know?
There is a strong relationship between atrial fibrillation, increasing age, increasing stroke In patients with atrial non-valvular atrial fibrillation, embolus arises in LAA Even with new drugs, bleeding remains an issue and increases with time Satisfactory closure of LAA is noninferior to chronic anticoagulation in preventing stroke

26 CABG PCI

27 MACCE to 4 Years by SYNTAX Score Tercile Low Scores (0-22)
TAXUS (N=299) CABG (N=275) CABG PCI P Death 8.9% 8.3% 0.77 CVA 4.0% 1.4% 0.059 MI 4.2% 6.6% 0.25 Death, CVA or MI 14.6% 14.4% 0.87 Revasc 13.6% 20.0% 0.04 Overall Months Since Allocation Cumulative Event Rate (%) 12 24 50 25 48 36 P=0.57 28.6% 26.1% SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibit 52 Cumulative KM Event Rate ± 1.5 SE; log-rank P value Site-reported Data; ITT population

28 MACCE to 4 Years by SYNTAX Score Tercile Intermediate Scores (23-32)
TAXUS (N=310) CABG (N=300) CABG PCI P Death 9.3% 11.1% 0.49 CVA 3.6% 2.0% 0.25 MI 9.0% 0.009 Death, CVA or MI 14.9% 17.3% 0.44 Revasc 10.9% 20.7% 0.002 Overall Months Since Allocation Cumulative Event Rate (%) 12 24 50 25 48 36 P=0.006 32.0% 21.5% SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibit 54 Cumulative KM Event Rate ± 1.5 SE; log-rank P value Site-reported Data; ITT population

29 MACCE to 4 Years by SYNTAX Score Tercile High Scores (33)
TAXUS (N=290) CABG (N=315) CABG PCI P Death 8.4% 16.1% 0.004 CVA 3.7% 3.5% 0.80 MI 3.9% 9.3% 0.01 Death, CVA or MI 14.6% 22.7% Revasc 11.4% 28.8% <0.001 Overall Months Since Allocation Cumulative Event Rate (%) 12 24 50 25 48 36 P<0.001 40.1% 23.6% SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibit 56 Cumulative KM Event Rate ± 1.5 SE; log-rank P value Site-reported Data; ITT population

30 Drug-Eluting Stents vs CABG Repeat Revascularization
Meta-Analysis EES vs PES SYNTAX HR=0.51, 95% CI HR=2.3, 95% CI NOTE: Weights are from random effects analysis Overall (I-squared = 0.0%, p = 0.491) SPIRIT III COMPARE SPIRIT IV Trials SPIRIT II 22/669 15/897 61/2458 EES 4/223 18/333 40/903 55/1229 PES 5/77 0.51 (0.39, 0.66) 0.61 (0.33, 1.12) 0.38 (0.21, 0.68) 0.55 (0.39, 0.79) RR (95% CI) 0.28 (0.08, 1.00) 1 .1 .2 .5 2 5 10 TLR at 1 Year Risk ratio EES vs CABG? PES EES 6.9 Favors EES Favors PES Serruys PW et al: NEJM 2009 Kalesan, Juni – Updated 8/2011

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35 System Delay and Long-Term Mortality
System Delay (min) Long-term Mortality 0-60 15.4% 61-120 23.3% 28.1% 30.8% Terkelsen CJ et al: JAMA 304: , 2010

36 Care Processes RACE Initiatives
Hospital specific reperfusion protocol ED activation of catheterization laboratory single call Provide EMS equipment for pre-hospital ECG Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011

37 Care Processes RACE Initiatives
55 non PCI hospitals, 436 patients Evaluate association of EMS, ED and Hospital setting with door-in-door-out time Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011

38 Care Processes Recommendations to Improve Door-In-Door-Out Times
% of Hospitals (n=55) Before Intervention After Intervention P Hospital processes Dedicated STEMI reperfusion team with committed leadership 25.5 65.4 <0.001 Hospital-specific reperfusion protocol 20.0 89.1 ED processes System for obtaining ECGs within 10 min. of ED arrival 27.3 36.4 0.41 Single call No. to activate PCI center cardiac catheterization lab 16.4 96.2 Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011

39 Care Processes Recommendations to Improve Door-In-Door-Out Times
% of Hospitals (n=55) Before Intervention After Intervention P EMS processes EMS has equipment to perform prehospital ECGs 74.5 88.2 0.12 Program for paramedics to recognize STEMI on 12-lead ECGs 45.4 80.4 <0.001 Use local ambulance to transport patients within 50 miles 34.2 56.0 0.07 Keep patient on local stretcher as part of AMI 3.9 27.5 0.02 Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011

40 Care Processes RACE Initiatives
Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011 Door-In-Door-Out Time (minutes) Pre-Intervention Post-Intervention Changes in door-in-door-out times with the RACE intervention. Among the 436 patients in this study, median door-in-door-out times improved significantly with the RACE intervention (before: 97.0 min. [interquartile range ]; after 58.0 min. [interquartile range 35-90]; p<0.0001).

41 Care Processes RACE Initiatives
Hospital ED EMS Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011 # of Processes Hospital Number Number and type of processes adopted at non-PCI hospitals. This figure displays the overall number and type of practices, including EMS, ED and hospital, adopted by non-PCI hospitals after the RACE program.

42 Care Processes Median Door-in-Door Out Times
Hospital Processes ED Processes Minutes Minutes Number Number Glickman SW et al: Circ Cardiovasc Qual Outcomes 4: , 2011 EMS Processes Total Processes Minutes Minutes Number Number

43 Conclusions – Prehospital, ED, and hospital processes of care were independently associated with shorter door-in-door-out times for STEMI patients requiring transfer. Adoption of several EMS processes was associated with the largest reduction in treatment times. These findings highlight the need for an integrated, system-based approach to improving STEMI care.

44 Emergency Medical Service Transport GWTG
37,634 STEMI patients enrolled in GWTG from Evaluate use of EMS transport vs self transport to ED Self 40% EMS 60% Mathews R et al: Circulation 124: , 2011

45 Emergency Medical Service Transport GWTG
Self-Transport (n=15,049), min EMS Transport (n=22,585), min P Symptom-onset-to-hospital-arrival time 120 (60-285) 89 (57-163) <0.0001 Time to ECG 8 (4-14) 5 (2-10) Door-to-balloon time 76 (61-93) 63 (48-80) Door-to-needle time 29 (18-51) 23 (13-36) Mathews R et al: Circulation 124: , 2011

46 Emergency Medical Service Transport GWTG
EMS Self Older Live further from hospital Hemodynamic compromise Younger Male Hispanic Private insurance Race, income, educational level – no significant association Mathews R et al: Circulation 124: , 2011

47 Conclusions – Emergency medical services transportation to the hospital is underused among contemporary ST-segment-elevation myocardial infarction patients. Nevertheless, use of EMS transportation is associated with substantial reductions in ischemic time and treatment delays. Community education efforts are needed to improve the use of emergency transport as part of system-wide strategies to improve ST-segment-elevation myocardial infarction reperfusion care.

48 EMT Activation of Cath Labs
False Positives False Negatives Door to Balloon Time

49 EMT Activation Approaches
Monitor vital signs and transport Obtain ECGs Transmit Local ER Regional clearing house ED Interventional cardiologist Participate in interpretation Provide in the field lytic therapy under supervision

50 Pre hospital ECG Programs
“The central challenge for health care providers is not to simply perform PH ECG, but to use and integrate the diagnostic information from a PH ECG with systems of care.” AHA

51 EMT Activation of Cath Labs Issues
False positives University hospital in Michigan: 30% to 50% false positive activations Acceptable ceiling in private practice? Mayo Clinic: 15% Washington State: 15% North Carolina: 20% (ED physicians: 5%)

52 EMT Activation of Cath Labs Issues
False negatives

53 Pre hospital ECG Protocol
Prospective observational study of systems of care Evaluate implementation of pre hospital ECG program on patients with STEMI Nestler DM. Circ Cardiovasc Qual Outcomes. 4:640-46, 2011

54 Pre hospital ECG Protocol System
PH ECG acquisition Emergency medical service, interpretation without PHECG transmission Pre hospital activation of cardiac cath team Bypass ED Nestler DM. Circ Cardiovasc Qual Outcomes. 4:640-46, 2011

55 Prehospital ECGs & Activation Protocol
Nestler DM et al: Circ Cardiovasc Qual Outcomes 4: , 2011

56 Prehospital ECGs & Activation
Pre-implementation (n=50) Post-implementation (n=82) PH STEMI Activation (n=38) Pre-implementation (n=50) Post-implementation (n=82) PH STEMI Activation (n=38) Minutes Nestler DM et al: Circ Cardiovasc Qual Outcomes 4: , 2011

57 Prehospital ECGs & Activation
All Pre-implementation (n=50) All Post-implementation (n=82) P Post- implementation PH STEMI Activation (n=38) Median DTB, min (interquartile range) 59 (47, 76) 57 (36, 72) 0.28 32 (27, 55) <0.001 Median FMCTB, min (interquartile range) 90 (78, 111) 88 (63, 114) 0.87 58 (51, 87) 0.001 Nestler DM et al: Circ Cardiovasc Qual Outcomes 4: , 2011

58 Prehospital ECGs & Activation Conclusions
An EMS-based PH ECG protocol involving prehospital interpretation without physician oversight, direct cardiac catheterization laboratory activation, and ED bypass resulted in significant reductions in median DTB and FMCTB intervals for those identified as STEMI in the prehospital setting. Nestler DM et al: Circ Cardiovasc Qual Outcomes 4: , 2011

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60 Futility versus Frailty

61 Futility versus Frailty
All who drink of this remedy recover in a short time, except those whom it does not help, who all die. Therefore, it is obvious that it fails only in incurable cases….Galen Futility: treatment that does not accomplish its intended goal. May result from several factors – Lack of medical efficacy Lack of meaningful survival (patient) Despite absolute 20% survival advantage with TAVR in PARTNER B, there is still a 30% mortality rate at one year

62 All-cause mortality (%)
Primary Endpoint  at 1 yr = 20.0% NNT = 5.0 pt HR (95% CI) = 0.51 (0.38, 0.68) Log rank P<0.001 50.7% Std Rx All-cause mortality (%) TAVR 30.7% Months Std Rx TAVR

63 Cumulative Event Rate (%) Months Since Allocation
Cardiac Death to 4 Years TAXUS (N=903) CABG (N=897) Before 1 year* 2.1% vs 3.7% P=0.0503 1-2 years* 0.6% vs 0.8% P=0.62 2-3 years* 0.9% vs 1.6% P=0.22 3-4 years* 0.8% vs 1.6% P=0.13 25 50 P=0.004 Cumulative Event Rate (%) 1 yr data From SYNTAX_CSR_randomized_Unblinded_2008Oct10.doc exhibit 1 2-Year_Randomized_ doc Exhibit 2 (binary interval rate) SYNTAX 3-Year Report_Randomized_12JUL10.doc Exhibit 2 (binary interval rate) SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibits 1 (KM rate on right sidea) and exhibit 2 (binary interval rate in white box) 7.6% 4.3% 12 48 24 36 Months Since Allocation Cumulative KM Event Rate ± 1.5 SE; log-rank P value;*Binary rates ITT population 86

64 Myocardial Infarction to 4 Years
TAXUS (N=903) CABG (N=897) Before 1 year* 3.3% vs 4.8% P=0.11 1-2 years* 0.1% vs 1.2% P=0.008 2-3 years* 0.3% vs 1.2% P=0.03 3-4 years* 0.3% vs 1.5% P=0.01 25 50 P<0.001 Cumulative Event Rate (%) 1 yr data From SYNTAX_CSR_randomized_Unblinded_2008Oct10.doc exhibit 1 2-Year_Randomized_ doc Exhibit 2 (binary interval rate) SYNTAX 3-Year Report_Randomized_12JUL10.doc Exhibit 2 (binary interval rate) SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibits 1 (KM rate on right sidea) and exhibit 2 (binary interval rate in white box) 8.3% 3.8% 12 48 24 36 Months Since Allocation Cumulative KM Event Rate ± 1.5 SE; log-rank P value;*Binary rates ITT population 87

65 Cumulative Event Rate (%) Months Since Allocation
CVA to 4 Years TAXUS (N=903) CABG (N=897) Before 1 year* 2.2% vs 0.6% P=0.003 1-2 years* 0.6% vs 0.7% P=0.82 2-3 years* 0.5% vs 0.6% P=1.00 3-4 years* 0.4% vs 0.2% P=0.68 25 50 P=0.06 Cumulative Event Rate (%) 1 yr data From SYNTAX_CSR_randomized_Unblinded_2008Oct10.doc exhibit 1 2-Year_Randomized_ doc Exhibit 2 (binary interval rate) SYNTAX 3-Year Report_Randomized_12JUL10.doc Exhibit 2 (binary interval rate) SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibits 1 (KM rate on right sidea) and exhibit 2 (binary interval rate in white box) 3.7% 2.3% 12 48 24 36 Months Since Allocation Cumulative KM Event Rate ± 1.5 SE; log-rank P value;*Binary rates ITT population 88

66 All-Cause Death/CVA/MI to 4 Years
TAXUS (N=903) CABG (N=897) Before 1 year* 7.7% vs 7.6% P=0.98 1-2 years* 2.2% vs 3.5% P=0.11 2-3 years* 2.5% vs 3.8% P=0.14 3-4 years* 2.7% vs 4.6% P=0.051 25 50 P=0.07 Cumulative Event Rate (%) 18.0% 1 yr data From SYNTAX_CSR_randomized_Unblinded_2008Oct10.doc exhibit 1 2-Year_Randomized_ doc Exhibit 2 (binary interval rate) SYNTAX 3-Year Report_Randomized_12JUL10.doc Exhibit 2 (binary interval rate) SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibits 1 (KM rate on right sidea) and exhibit 2 (binary interval rate in white box) 14.6% 12 48 24 36 Months Since Allocation Cumulative KM Event Rate ± 1.5 SE; log-rank P value;*Binary rates ITT population 89

67 Repeat Revascularization to 4 Years
TAXUS (N=903) CABG (N=897) Before 1 year* 5.9% vs 13.5% P<0.001 1-2 years* 3.7% vs 5.6% P=0.06 2-3 years* 2.5% vs 3.4% P=0.33 3-4 years* 1.6% vs 4.2% P=0.002 25 50 P<0.001 Cumulative Event Rate (%) 23.0% 1 yr data From SYNTAX_CSR_randomized_Unblinded_2008Oct10.doc exhibit 1 2-Year_Randomized_ doc Exhibit 2 (binary interval rate) SYNTAX 3-Year Report_Randomized_12JUL10.doc Exhibit 2 (binary interval rate) SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibits 1 (KM rate on right sidea) and exhibit 2 (binary interval rate in white box) 11.9% 12 48 24 36 Months Since Allocation Cumulative KM Event Rate ± 1.5 SE; log-rank P value;*Binary rates ITT population 90

68 Cumulative Event Rate (%) Months Since Allocation
MACCE to 4 Years TAXUS (N=903) CABG (N=897) Before 1 year* 12.4% vs 17.8% P=0.002 1-2 years* 5.7% vs 8.3% P=0.03 2-3 years* 4.8% vs 6.7% P=0.10 3-4 years* 4.2% vs 7.9% P=0.002 25 50 P<0.001 33.5% Cumulative Event Rate (%) 23.6% 1 yr data From SYNTAX_CSR_randomized_Unblinded_2008Oct10.doc exhibit 1 2-Year_Randomized_ doc Exhibit 2 (binary interval rate) SYNTAX 3-Year Report_Randomized_12JUL10.doc Exhibit 2 (binary interval rate) SYNTAX 4-Year Report_Randomized_15JUN11.doc exhibits 1 (KM rate on right sidea) and exhibit 2 (binary interval rate in white box) 12 48 24 36 Months Since Allocation Cumulative KM Event Rate ± 1.5 SE; log-rank P value;*Binary rates ITT population 91

69 Summary and Conclusions
Four-year MACCE rates in the overall randomized cohort were significantly higher for PCI than CABG Significant increase of cardiac death, MI and repeat revascularization in PCI vs CABG-treated patients Composite safety (death/stroke/MI) remains not significantly different between arms at 4 years (P=0.07) MACCE rates at 4 years were not significantly different for patients with a low baseline SYNTAX Score; for patients with intermediate or high SYNTAX Scores, MACCE was increased at 4 years in patients treated with PCI The 4-year SYNTAX results suggest that PCI may be an acceptable alternative revascularization method to CABG when treating patients with less complex (lower SYNTAX Score) disease including LM disease 92

70 Summary: II The 4-year SYNTAX results suggest that CABG remains the standard of care for patients with complex disease (intermediate or high SYNTAX Scores); however, PCI may be an acceptable alternative revascularization method to CABG when treating patients with less complex (lower SYNTAX Score) disease including LM disease The 4-year MACCE rates for the CABG and PCI registry were 19.9% and 42.2% respectively SYNTAX patients will continue to be followed for 5 years 93

71 Summary: I In the SYNTAX randomized patients, 4-year MACCE rates (all-cause death, stroke, repeat revascularization) were significantly higher for PCI than CABG Significant increase of cardiac death, MI and repeat revascularization in PCI vs CABG-treated patients Composite safety (death/stroke/MI) remains not significantly different between arms at 4 years (P=0.07) MACCE rates at 4 years were not significantly different for patients with a low (0-22) baseline SYNTAX Score For patients with intermediate (23-32) or high SYNTAX Scores (33), MACCE was increased at 4 years in patients treated with PCI 94

72 Rates of Death or MI Outcomes
Low risk Medium risk High risk P<0.01 Death or MI rate at 1 yr (%) Classic SYNTAX score Functional SYNTAX score Nam et al: J Am Coll Cardiol 2011;58:1211-8

73 Rates of Major Adverse Cardiac Events (MACE) Outcomes
Low risk Medium risk High risk P<0.001 P<0.01 MACE rate at 1 yr (%) Classic SYNTAX score Functional SYNTAX score Nam et al: J Am Coll Cardiol 2011;58:1211-8

74 FAME : “Downgrading” Multivessel Disease with FFR
0-VD 3-VD 0-VD 2-VD 1-VD 1-VD 2-VD 86% 3VD and 57% 2VD reclassified >1 vessel Tonino et al, JACC 2010;55:

75 ROC Analysis Death or MI
FSS SS P=0.02 Sensitivity AUC (95% CI) P FSS ( ) <0.001 SS ( ) Sensitivity Nam et al: J Am Coll Cardiol 2011;58:1211-8

76 ROC Analysis Any Revascularization
FSS P=0.017 SS Sensitivity AUC (95% CI) P FSS ( ) <0.001 SS ( ) Sensitivity Nam et al: J Am Coll Cardiol 2011;58:1211-8

77 ROC Analysis Death/MI/MACE at One Year
FSS P=0.329 SS Sensitivity AUC (95% CI) P FSS ( ) 0.004 SS ( ) 0.020 Sensitivity Nam et al: J Am Coll Cardiol 2011;58:1211-8

78 Conclusions Recalculating SS by only incorporating ischemia-producing lesions as determined by FFR decreases the number of higher-risk patients and better discriminates risk for adverse events in patients with multivessel CAD undergoing PCI. (Fractional Flow Reserve versus Angiography for Multivessel Evaluations [FAME]; NCT )

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