Definitive Therapy for Advanced Heart Failure in 2014: Definitive Therapy Advanced Heart Failure Why LVAD Shouldfor Now Be First Choice for in Replacement 2014: Permanent Why LVAD Should Now Be First Choice Scott C. Silvestry MD Associate Professor/Surgical Director Cardiac Transplantation and Mechanical Circulatory Support Program Disclosures Thoratec: Research funding ( material) and scientific advisor. Heartware: Scientific advisor. MOST devices presented are in development pre‐clinical trial use or clinical trials except where noted. Never let the facts get in the way of a good story Heart Transplantation December 2, 1967 Donor: Denise Davall (24 year-old female MVA) Recipient: Louis Washkansky (53 year-old male with ischemic cardiomyopathy) Azathioprine, Steroids, Local radiation POD#9 Rejection POD#18 Death (Pneumonia) “Does anyone know who was the second person to fly across the ocean?” Norman Shumway NUMBER OF HEART TRANSPLANTS REPORTED BY YEAR 5000 4000 Other Europe North America 3500 3000 2500 2000 1500 1000 500 8 19 2 8 19 3 8 19 4 8 19 5 8 19 6 8 19 7 8 19 8 8 19 9 9 19 0 9 19 1 9 19 2 9 19 3 9 19 4 9 19 5 9 19 6 9 19 7 9 19 8 9 20 9 0 20 0 0 20 1 0 20 2 0 20 3 0 20 4 0 20 5 0 20 6 0 20 7 0 20 8 09 0 19 Number of Transplants 4500 ISHLT 2011 J Heart Lung Transplant. 2011 Oct; 30 (10): 1071-1132 NOTE: This figure includes only the heart transplants that are reported to the ISHLT Transplant Registry. As such, the presented data may not mirror the changes in the number of heart transplants performed worldwide There Are Not Enough Donor Hearts Now, cardiac transplantation is epidemiologically trivial in heart failure management 75 year old man with two prior CABG operations 1189 days on LVAD It must be true, I saw it on the Internet. VAD? Acute Heart Failure. On ECMO preop 13 Outcomes • 90% of patients were transplanted, recovered or had ongoing support at 6 months • Operative 30‐day survival was 96% • Survival was superior to that which has been previously reported with LVAD usage Summary of BTT Outcomes Reference Study Enrollment period n Survival to Tx, Recovery, or Ongoing Device Support at 180 Days Miller, Pagani, Russell et al NEJM 357:885-896, 2007 HM II Pivotal Trial 3/05- 5/06 133 79% Pagani, Miller, Russell et al JACC 54:312-321, 2009 HM II Pivotal Trial 3/05- 3/07 281 84% Starling, Naka, Boyle et al JACC, in press 2010 Post Approval Study 4/08 – 8/08 169 91% Functional Status 100 90 80 70 60 50 40 30 20 10 0 6 Minute Walk Distance 100 p<0.001 over time Both treatments 350 300 80 76 75 68 61 0 0 n= 126; 55 91 38 72 18 50 1 Baseline 3 mo 12 mo 250 200 150 100 50 0 24 mo 319 372 318 291 306 277 182 172 n= 50; 19 77 29 61 12 36 1 Baseline LVAD Duration NEJM 2009;361(23):2241‐51 p<0.001 over time Both treatments 400 M e te r s P ercen t o f p atien ts % NYHA Class I or II 3 mo 12 mo LVAD Duration CF LVAD PF LVAD 24 mo The data we need to truly compare the therapies does not exist. Perhaps HeartMate II BTT Baseline INTERMACS Profiles INTERMACS Profile HeartMate II (n=169) 1 2 3 4 5-7 41 (24%) 63 (37%) 33 (20%) 21 (12%) 11 (7%) Profile 1 2 3 4 5 6 7 Description Critical cardiogenic shock Progressive decline Stable, but inotrope dependant Recurrent advanced heart failure Exertion tolerant Exertion limited Advanced NYHA III 61% of patients in the study were in profile 1 or 2. Left Ventricular Assist Device Destination Therapy Versus Extended Criteria Cardiac Transplant. Daneshmand, MA et al. Ann Thorac Surg 2010;89:1205-1210 ARE WE THERE YET? 1081 days, 79 s/p mvr x2 prior to implant, now 81 What Therapy? Who would transplant this patient? • 44 YO • NICM 2 possibly secondary to drug use. • Employed • Married • BMI>35 • Non Compliant • ?Drug Use <6 months LVAD is the more democratic therapy Indications and Contraindications for Heart Transplantation Absolute indications in appropriate patients Absolute contraindications • • For hemodynamic compromise caused by HF Refractory cardiogenic shock Documented dependence on intravenous inotropic support to maintain adequate organ perfusion Peak V˙ o2 10 mL kg1 min1 with achievement of anaerobic metabolism Severe symptoms of ischemia that consistently limit routine activity and are not amenable to coronary artery bypass surgery or percutaneous coronary intervention Recurrent symptomatic ventricular arrhythmias refractory to all therapeutic modalities • Relative indications • Relative contraindications • • • • • • • • Peak V˙ o2 11 to 14 mL kg1 min1 (or 55% predicted) and major limitation of the patient’s daily activities Recurrent unstable ischemia not amenable to other intervention Recurrent instability of fluid balance/renal Insufficient indications Low left ventricular ejection fraction History of functional class III or IV symptoms of HF Peak V˙ o2 15 mL kg1 min1 (and 55% predicted) without other indications • • • • • • • Age _72 y Severe peripheral vascular or cerebrovascular disease Diabetes mellitus with end‐organ damage Severe lung, liver, or renal disease Uncorrected abdominal aortic aneurysm (_4–6 cm) Systemic infection (HIV, hepatitis B, Hepatitis C) Psychosocial impairment • • • • • • • • • Systemic illness that will limit survival despite heart transplantation HIV/AIDS (definition: CD4 count _200 cells/mm3) Neoplasm other than skin or low‐grade prostate cancer that has not been cured or is not in remission Systemic lupus erythematosus or sarcoid with multisystem involvement Fixed pulmonary hypertension Pulmonary vascular resistance _6 Wood units Transpulmonary gradient _15 mm Hg • • • • 27 VAD Program Circa 2014 He’s a candidate! We don’t discriminate! Cardiologist Surgeon LVAD • Available when needed • Optimize patients • Does not require immunosuppresion • Does not require coordination with other, unrelated programs to time. • Scheduled The Real Survival For BTT LVAD Is Unknown • The Problem with….. HEART TRANSPLANT? Wait Time Heart < 30 Days All 8.7% 30 to < 90 Days 13.6% 2 6 1 Year 90 Days Month Years to < 2 to < 6 s to < 1 to < 3 Years Months Year Years 13.6% 18.6% 3 Years 5 or to < 5 More Years Years 20.1% 9.1% 9.6% 6.9% O 6.8% 12.2% 13.6% 18.1% 21.4% INCONVENIENT WAIT TIMES 10.5% 10.1% 7.7% A 10.3% 15.6% 13.0% 18.7% 18.2% 8.1% 10.3% 6.1% B 11.2% 14.2% 16.0% 18.1% 20.8% 6.4% 7.3% 6.2% AB 18.2% 14.8% 12.5% 30.7% 13.6% 3.4% 2.3% 4.5% Adult Heart Transplants Kaplan-Meier Survival by Age Group (Transplants: January 1982 – June 2011) 100 Median survival (years): 18-39=12.3; 40-59=10.5; 60-69=9.0; 70+=7.6 Survival (%) 80 All pair-wise comparisons were significant at p < 0.01 60 40 Age Dependent benefit! 20 18-39 (N=15,812) 40-59 (N=55,943) 60-69 (N=20,293) 70+ (N=652) 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Years 2013 JHLT. 2013 Oct; 32(10): 951-964 As for you, my galvanized friend, you want a heart! You don't know how lucky you are not to have one. Hearts will never be practical until they can be made unbreakable. Adult Heart Transplants % of Recipients Experiencing Any Rejection Between Transplant Discharge and 1-Year Follow-Up by Year 60 % of patients 50 40 Pesky Rejection Episodes 30 20 10 0 2004 2005 2006 2007 2008 2009 2010 Analysis is limited to patients who were alive at the time of the follow-up Any rejection = Recipient was reported to (1) have at least one acute rejection episode; or (2) have been hospitalized for rejection. JHLT. 2013 Oct; 32(10): 951-964 2013 Together ‐ 3368 days, 416 rounds of golf, thousands of bad jokes, countless pool hall swindles and 2 happy wives Cost? 25 In 2007, 173,300 Medicare beneficiaries received power wheelchairs at a total cost to themselves and the Medicare program totaling $686 million, part of Medicare Part B 39 What is Value in Health Care? 40 Quality of Life? Pulled from the OR table with Severe fixed Pulmonary Hypertension. 1070 days HM ll LVAD 1 elk, 5 turkeys, 6 Deer, 10 pheasants 80x80 garden Alaska, Florida, Vegas, the Dakotas 200 doughnuts and 12 angelfood cakes to the nurses 1 50th wedding anniversary A book on the way Not a VAD Patient Actual VAD Patient Problems? Driveline Thrombus Transfusion The Dark Side HEART TRANSPLANT 51 Heart Transplantation Patient Age Survival Results 1 53 18 days Pneumonia 2 58 18 months CAV 3 52 20 months Gastric CA 4 63 64 days Pneumonia 5 37 12.5 years CAV Heart Xeno Transplantation James Hardy Heart Transplantation January 23, 1964 Recipient: 68 year old with heart failure failure and multiple emboli arising from the left atrium or ventricle. Life expectancy can be measured in hours.” Left leg amputation for gangrene 1/22/64 “Patient had not regained consciousness” “…myocardial Donor: “largest of 4 chimpanzees” Heart Transplantation “The patient developed shock. Serious constraint developed among the five members of our transplant team. Four were in favor of proceeding.” “A forceful beat was restored and supported a blood pressure of 90-100 mmHg for 90 minutes. The chimpanzee heart was too small for the large man…” “Publicity, outcry, criticism were enormous.” “I decided to wait until Shumway transplanted a heart in man.” J.D. Hardy “The Academic Surgeon” Outcomes are Improving Age Dependent Strategy ? Chest roentgenogram of patient 6 after implantation of 2 HeartWare HVAD ventricular assist devices for biventricular support. Krabatsch T et al. Circulation 2011;124:S179-S186 Copyright © American Heart Association, Inc. All rights reserved.
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