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Cardiac devices in the Golden Years All that glitters glitters… James N. Kirkpatrick, MD Cardiovascular Division Center for Bioethics University of Pennsylvania Di l Disclosures • No related disclosures • No industry affiliations • Grant from Greenwall Foundation: Caregiver Stress in Destination Ventricular Assist Devices • 2 NIH Data Safety Monitoring Boards Outline • Device Therapy for Advanced Heart Failure • Ethical conflicts/considerations • Complexities of Advance Care Planning in Heart Failure • “Shiny” “Shi ” P Projects j t MAGAZINE | June 20,, 2010 What Broke My Father's Heart By KATY BUTLER How putting in a pacemaker wrecked a family'ss life family life. • “Th “The pacemaker k b bought ht my parents t ttwo years of limbo, two of purgatory and two off hell…” h ll ” • “…If we did nothing, his pacemaker would not stop for years. Like the tireless charmed brooms in Disney’s “Fantasia,” it would prompt my father’s heart to beat after he became too demented to speak, sit up or eat.” Heart Failure 23,000,000 worldwide ((5.7 million US)) Incidence: 500-700,000/year in US 20% of population will get it Including 11% of patients with no CAD 5-10% NYHA class IV: 13-40% 2 year survival Swedberg, et al. Eur Heart J. 2005;26(11):1115-40. Lloyd-Jones,DM, et al. Circulation. 2002;106(24):3068–72. Dembitsky WP. Semin Cardiothorac Vasc Anesth 2006; 10:253–255. Rosamond W, et al. Cir 2007 115:e69-171 Stevenson, LW. ISHLT Monograph Series, 2006. 1 Chapter 11: p. 181-204. Prevalence of heart failure by sex and age (National Health and Nutrition Examination Survey: 2005–2008). Roger V L et al. Circulation 2011;123:e18-e209 Copyright © American Heart Association Framingham Heart Study: 1980–2003. Source: National Heart, Lung, and Blood Institute. Roger V L et al. Circulation 2011;123:e18-e209 Copyright © American Heart Association Goodlin et al. J Card Fail. 2004 Jun;10(3):200-9. “Can Can vs vs. Do” Do Heart Failure Devices Ventricular Assist Devices Flow R t Rotor Outflow Bearing Set Inflow Bearing Set Ventricular Assist Devices • Acute Cardiogenic Shock – Post cardiac surgery – Myocarditis – Massive MI • Chronic Heart failure – Stabilize until transplant • Bridges – – – – To Transplant (BTT) T Recovery To R (BTR) To Decision To the rest of one’s life=Destination life Destination Therapy (DT) Ben Franklin Bridge Ventricular Assist Devices Variable DT patients (N = 385) Gender, No. (%) Male Female Race, No. (%) White African American Other Age at implant Mean years Range All other LVADs (N = 2134) p-value 0.01 322 (84) 63 (16) 1,663 (78) 471 (22) 0.01 291 (76) 69 (18) 1,452 (68) 506 (24) 25 ((6)) 176 ((8)) 61.7 52.7 23– 23 –82 19– 19 –88 <0.0001 Table 5. Demographics—Adult Primary Implants: INTERMACS, June 2006–June 2010 VADS • Improved organ preservation ti ((perfusion) f i ) pre transplant • Improved survival and QOL Rose,N Engl J Med 2001;345(20):1435–43; VADs Durability? Durability? Risks GI bleeding (VWF def?) Infections (driveline) Strokes Patlolla V, J. Am. Coll. Cardiol. 2009;53;264-271 Examples of Criteria for Implantable LVAD for Lifetime Support More objective • Clinical profiles – Not crash and burn – Not post-surgical – Ambulatory for DT? • • • • • • • Renal function-not on dialysis. eGFR>50* , BUN < 50* Hepatic function > 2X normal* Lung function function-not not intubated or on home O2 or steroids Infection - Not on systemic antibiotics Nutrition pre-albumin Nutritionpre albumin >15* >15*, albumin > 3* RV function-not yet defined well 2 year prognosis **Proposed in:JHLT Supplement S 2010; 29:4S Slaughter,et al. HMII Investigators C i lB Crucial But A Arguable bl • • • • • • “Frailty” Other Co Co-morbidities morbidities Psychosocial limitations Cognitive limitations Social support A ? Age? Adapted from Lynne Warner Stevenso Pacemakers • Symptomatic Bradycardia • US IImplants l t per year – 250,000 • Increased 50% during the 1990s Mond, Pacing and Clinical Electrophysiology 2008; 31(9): 1202-1212. Implantable Cardioverter Defibrillator (ICD) • 100,000 100 000 ICDs implanted/year in USA • Aborting Ab i sudden dd cardiac di arrest • Termination of many lethal arrhythmias with antitachycardia pacing (ATP) • Primary prevention and secondary prevention --adapted from Ralph Verdino Darn SCD HeFT SCD-HeFT 36% 29% Bardy, et al. NEJM 2005;352:225 ICD • Inappropriate Shocks – Anxiety – Depression – ED resource utilization Hunt, Circulation. 2005; 112(12):e154-235 Sanders, et al NEJM, 2005. 353(14): p. 147180 Moss, A.J., et al. NEJM, 1996. 335(26): p. 1933-40. Stevenson, LW. Circ 2006. 114;101-103 Time Horizon of Lives Saved by ICDs 100 Mortality (%) 80 No b N benefit fit for f first year ICD Lives Saved 60 Benefit flat after 2-3 years 40 20 0 1 Year Interim 1.7 Years MADIT II MADIT-II – Moss, et al. N Engl J Med 2002;346:877-83. DEFINITE – Ellenbogan et al. Circulation 2006;113:776-82. SCD-HeFT – Bardy et al. N Engl J Med 2005;352:225-37. 3 Years DEFINITE 5 Years SCD-HeFT Adapted from Lynne Warner Stevenson Patients With ICD for Primary Prevention: How Many Lives Like Yours Will Be Saved?” Saved? “How 100 80 %o of Patients With 60 HF symptoms 40 And LVEF <35 20 7.2 from SCD-HeFT None in first year 0 Less than 10 10 25-40 At least 50 Lives to be saved/ 100 during 5 years Stewart , Stevenson et al, J Cardiac Failure, 2009 Adapted from Lynne Warner Stevenson If we put an ICD in 100 patients with heart disease like y yours, over the next 5 years we would expect: • 30 patients will die anyway • 7-8 p patients will be saved by the ICD • 10-20 would have a shock they don’t need • 5-15 would have other complications • The rest of patients will not experience their devices at all Some patients will request to have the device Inactivated to allow natural death. Desai A et al J Cardiac Failure 2006 Adapted from Lynne Warner Stevenson Bi V • Save lives • Improve symptoms • EF <35% • QRS>120ms • NYHA Class III-IV symptoms Yao, G., et al. Eur Heart J. 2007;28(1):42-51. Cleland, J.G., et al.N Engl J Med, 2005. 352(15): p. 1539-49. Cleland JG, et al. N Engl J Med. 2005 Apr 14;352(15):1539-49. Holzmeister J, Lancet. 2011;378(9792):722-30. Figure 2. CCS and LVESV response rates. Chung E S et al. Circulation 2008;117:2608-2616 Copyright © American Heart Association Implant complications • 3.2% (CI, 2.8% to 3.6%) – sinus dissection or perforation – pericardial effusion or tamponade – Pneumothorax – hemothorax Al‐Majed, Annals of Internal Medicine. 154(6):401‐412, 2011. “There are no ethical dilemmas; the technology is proved and the patients have short wretched lives.” Westaby and Poole-Wilson, BMJ. 2007 334(7586): 167–168 Who gets a VAD? • Transition from “rescue” rescue to “chronic chronic disease management tool” • How like transplant should it be? – Age requirements? – Psychosocial Requirements? – Ideal candidacy? – Palliative VAD? – VAD “waiting list”? Discrimination • • • • • Physiological vs. Numerical Age Financial Social support Mild d dementia ti Addictions End of Life: When the heart is taken out of the equation… • Life prolongation • Relief of symptoms There may be more time to consider goals of care There may be more time for patients and surrogates to change their minds about goals of care Renal Failure Cancer Unknown Other Respiratory failure Other chronic illness =38% Palliative and End of Life VAD care • Surgical removal incompatible with palliative care? • “Letting nature take its course”? • Deactivation as a terminal (planned) event • Physician Assisted Suicide? (constitutive or replacement therapy) VAD discontinuation • Back pressure on failing heart • Disruption of apical contractility • Thrombus formation H t Hastens d death th Leaving endotrachal tube in after extubation Bramstedt KA, J Heart Lung Transplant. 2001;20:544–8. VAD discontinuation • Physician Assisted Suicide/Euthanasia – Constitutive therapy—integrated part of the body – Replacement therapy – Surrounding responsibility – OK if Non-cardiac cause of death Asscher J. Bioethics. 2008;22(5):278-85 Rizzieri, A.G.,Philosophy, Ethics, and Humanities in Medicine, 2008; 3, 20 35. 20-35 Sulmasy DP. J Gen Intern Med. 2008;23 Suppl 1:69–72. Simon, J. Hastings Center Report, 2008; 38(1), 14-15. VAD withdrawal/witholding • Planned withdrawal – Anxiolytics – Analgesics – Palliative sedation • Withholding device changeout Von Gunten C, et al. 2nd edition. Fast Facts and Concepts. July 2005; 34. VADs in Hospice • How should they be managed? • When and how should devices be deactivated? • Can hospice meet the growing need? • What to do if there is no hospice? Self discontinuation © 2003 Mayo Foundation for Medical Education and Research Volume 78(8) August 2003 pp 959-963 Ethical Analysis of Withdrawal of Pacemaker or Implantable Cardioverter-Defibrillator Support at the End of Life [Original Article] Mueller,, Paul S. MD;; Hook,, C. Christopher p MD;; Hayes, y , David L. MD From the Division of General Internal Medicine (P.S.M.), Division of Hematology and Internal Medicine (C.C.H.), and Division of Cardiovascular Diseases and Internal Medicine (D.L.H.), Mayo Clinic, Rochester, Minn. Address reprint requests and correspondence to Paul S. Mueller, MD, Division of General Internal Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905. “Every y 20 minutes, he would [g [get a shock and get] jolted awake. Meanwhile p . . . I saw this he was on morphine. pattern . . . he was waking up from like y bad dream type yp of thing g . . . and a really he would say a word or something, and after 20 seconds he would be unconscious again.” Deactivation: ICD vs. PPM • ICD • PPM – Shocking function + ATP? – Backup pacing? – Predictability of lethal arrhythmia? – DNR=deactivation? – Symptom relief vs. life prolongation • Indication? • Underlying rhythm? • CRT – d/c defibrillation only? EP consult What do patients think about ICDs? • Would you want your device turned off if yyou had – Cancer: 30% – Certain death within 1 month: 40% – Daily shocks: 50% – I would never want the device turned off: 10-40% Weintraub, et al. Heart Rhythm 2006;3(5) S139. 278 ICD patients • 5.15 years since implant • 1/3 received shocks (avg (avg. 4.7 4 7 shocks) • 50% had advance directives – Only O l 3 had h d included i l d d plan l ffor ICD What should be done with your ICD? What should be done with ICDs? ICD Q lit off Death Quality D th “…we rescue people from a relatively sudden death from myocardial i f infarction ti only l tto inflict i fli t on them th a more prolonged death from progressive heart failure. failure.” Taking away your chance to die quickly and painlessly. Goodman NW. BMJ. 314(7092):1484, 1997 Costs Congressional Budget Office Projections …. BIL LLION NS Projected Cost Increases of CVD Heidenreich, Circulation. 2011;123:933-944 Estimated Direct and Indirect Costs of HF in US Total Cost $39 2 billion $39.2 Hospitalization $20 9 $20.9 53% 14% 8% Nursing Home $4.7 7% 8% 10% Lost Productivity/ Mortality* $4.1 Home Healthcare $3.8 Physicians/Other Professionals $2.5 Drugs/Other Medical Durables $3 2 $3.2 --Lynne Warner Stevenson American Heart Association. Heart Disease and Stroke Statistics. American Heart Association. 2010. VADs $ Implant costs: $122,785 – $264,839 $ 360,407 / 5 years $ ICER*= $198,184 (CE benchmark: $50 $50,000-100,000) 000-100 000) ☻Prevent (CV) hospitalizations ☻Cheaper than Transplant *incremental incremental cost-effectiveness cost effectiveness ratio over medical therapy Rogers JG, et al. Circ Heart Fail. 2011 PPM and ICD • Basic pulse generators – $2,200-5,100 • Basic B i lleads d – $400 to $1,000 • ICD generator – $20,000 to $40,000 • ICD leads – $10,000 $10 000 Personal communication, device purchasing agents for the Hospital of the University of Pennsylvania, 2009 and Syracuse VA, 2011 Costs • CRT-D CRT D (additional $4,000 to $16,000 above ICD) Stevenson, Am Heart J 161(6) ;2011 Costs How do we fairlyy (j (justly) y) allocate resources? What is “cost cost effective effective” and how is it determined? Should we ration devices? Who Rations? Inclusion vs. exclusion How do we identify a high enough risk group? Sulmasy DP. Ann Int Med. 116(11):920-6, 1992 Implant Restrictions • Medicare funding g restrictions—what does this mean for cardiac devices? • Discrimination – Elderly vs. young—physiological age – Mild dementia—Am. dementia—Am With Disabilities Act – Severe Depression-“ Waiting list? ”Device committee”? Complexities p in Advance Care Planning Complexities • Changing preferences • Timing of AD discussions • Who is responsible for the discussions? • What should be discussed? • How do you bring up the topic? Lewis, et al J Heart Lung Transplant 2001;20:1016–10 Change their minds Stevenson, et al JACC 2008;52(21):1702–8 Patient p preferences correlated poorly with MLHFQ, symptom and overall health scores. Although not statistically significant, there was a trend toward patients with worse quality of life and symptom scores preferring more aggressive treatment. When should AD for ICD be discussed? Who should discuss AD for ICD? HRS Expert Consensus Statement on Management of CIEDs in patients nearing end of life or requesting withdrawal of therapy. Heart Rhythm. 2010; 7(7):1008-26. Timing of Conversation Points to be Covered Helpful Phrases to Consider Patients at End of Life Re-evaluation of benefits and burdens of device “I think at this point we need to re-evaluate what your [device] is doing for you Given how you. advanced your disease is we need to discuss whether it makes sense to keep it active. I know this may be p g to talk about,, upsetting but can you tell me your thoughts at this point?” Discussion of option of deactivation / disabling device addressed with all patients,, though p g not required Introducing the “…Heart failure is a very serious disease, from which many patients ultimately die die. Thankfully we have notion that heart some extremely good treatments...” failure is “People may die from heart failure, but it is not like potentially fatal cancer in that it is very hard to predict how long people with heart failure will live.” Assessing readiness “…is there anyone you trust to make medical decisions for you, and have you talked with this person about what is important to you?... you? ” McKelvie, et al. Canadian Journal of Cardiology 27 (2011) 319–338 Complicated p Issues Multidisciplinary approach Geriatrics Cardiology Primary care Palliative P lli ti care Subspecialty cardiology Nursing Social work Ethics Dialogue Joint Consensus Statements/Guidelines Pacemaker/ICD Reuse VAD Advance Directive Pacemaker Implant Disparities • Western world implants/million p population – >450 for each western countryy – USA: 752 • Lower/Middle Income Countries (LMIC) – Peru: 14 – Bangladesh: 4 – Thailand: 22 – South Africa: 54 Mond, Pacing and Clinical Electrophysiology 2005;31:1202-12 Overseas Need • Cardiovascular disease burden in LMIC – Increased 137% 1990 to 2020 – 14 million cardiovascular d th deaths – Younger age • Loss of economic productivity Joshi, J Am Coll Cardiol. 2008; 52:1817-25 WHO. Cardiovascular Disease. Factsheet Cost • “The average wage in Bolivia is between $50 and $100 $ a month…” • LMIC Healthcare budgets focus on prevention Device Donations • New, expired Devices • Used Devices – Upgrades U d – Post mortem Post Mortem • Pacemaker deaths – 20% within 33 months – 40% within 4 years • Patients > 80 y/o – 32% of pacemaker i l t implants • Pacemaker longevity: 10 years Pringle, Pacing Clin C Electrophysiol. 1986;9:1295-8. Schmidt, Am Heart J 2003;146:908–913. Schmidt,Eur Heart J 2004;25:88 –95. Pyatt, Europace 2002;4:113–119. Post Mortem Removal • Pacemakers and ICDs explode and damage g the crematorium chamber • Cremation projected to reach 59% of all deaths in the United States by 2025 National Funeral Directors Association. 2010 Selected Funeral Service Information and Statistics. Infection Reuse Study Rosengarten8 New TotalEvents TotalEvents OR 95%-CI 18 1 52 1 3.00 [0.18; 50.61] Pescariu7 365 6 358 5 1.18 [0.36; 3.90] Linde6 100 2 100 7 0 27 [0.05; 0.27 [0 05; 1.34] 1 34] Panja27 120 6 4479 237 0.94 [0.41; 2.16] Grendahl5 310 14 1690 20 3.95 [1.97; 7.91] Meta-analysis 913 29 6679 270 1.31 [0.50; 3.40] 0.2 0.5 1 2 5 Favors Reuse Favors New Baman, Circ Arrhythm Electrophysiol. April, 2011 Device Malfunction • Low rate: – 0.68% (0.27 to 1.28) • Increased compared with new – OR 5 5.80 80 [1 [1.93 93 to 17.47], 17 47] p= 0 0.002 002 – Set screws – “technical technical errors errors” Baman, Circ Arrhythm Electrophysiol. April, 2011 Precedent for Reuse • 1991: 14% of primary p y implants p were reused device • 1996: 5% (incorporation in European Common Market) Kirkpatrick, J Cardiovasc Electrophysiol 2007; 18:478–482. “Living Living Wills for Pacemakers” Pacemakers Device specific advance directive – Options for post post-mortem mortem handling of device – Information • Donation • Return to manufacturers – Appointment pp of surrogate g – (Deactivation at end of life) Kirkpatrick, JCE, 2007 Reuse of Pacemakers • Survey patients in hospice re: willingness g to donate their devices • Pilot test “pacemaker living will” in hospice patients • Establish Penn as a collection and distribution center for cardiac devices overseas Cardiac Device Advance Directives • Specific/individualized decisions dec s o s re: e de devices ces – ICDs (discontinuation at DNR, hospice, ATP) – Pacemakers and QOL vs life prolongation vs. (pacemaker dependent) – CRT (QOL) – VAD withdrawal Swetz, Mayo Clin Proc 2011;86(6):493-500 VAD Advance Directives • Supplement to 5 wishes • Offer pre-implant pre implant • Re-address at 3 months post implant • VAD specific issues Recap • Cardiac devices definitely glitter, but there ARE ethical dilemmas, especially in the golden years • Cardiac advance directives “are golden” but complicated and require multidisciplinary input • Reused pacemakers are worth their weight in gold for poor patients in developing world countries Thanks for your attention HF Scores and Palliative Care “Although these scores may be useful for defining a population for a clinical t i l th i applicability trial…their li bilit in i facilitating f ilit ti the th decision between aggressive care and palliative care remains somewhat limited by the inability to precisely determine p prognosis g for the individual patient within the framework of rapidly changing parameters.” Lewis, Current Treatment Options in Cardiovascular Medicine (2011) 13:7 Definitions of Death • Irreversible cessation of cardiopulmonary p y function • Irreversible cessation of (whole or brainstem) neurological function President’s Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research. Guidelines for the determination of death. JAMA 1981;246(19):2184–6. Futile Therapy • What is “futility?” – Physiological futility • Won’t work (defibrillation in PEA arrest) – Quantitative futilityy • Very little chance of working (LVAD in myocardial depression from bacterial sepsis) – Qualitative futility • Won’t produce adequate QOL (DT LVAD in end stage Alzheimer) Pope, T.M. Journal of Clinical Ethics, 2009;20, 274-286. Ethics and Cardiology AJC, 2001 Pilot Data: LVAD DT caregivers i • 10 caregivers • 90% female, mean age 59 years • 60% reported p feeling g emotionally y and p physically y y overwhelmed • 70% reported feeling uninformed or ill prepared • 60% reported feeling have no choice in accepting caregiver role • 90% had not considered plans for deactivating LVAD • Employed caregivers: 100% reported adverse impact on work Sarah Hull, MD, MBE Brush, et al, J Heart and Lung Transpl 29(12), 2010 Chaga’s Chaga s Disease • • • • • Trypanosoma cruzi Reduviid “kissing” bugs H t bl Heart block k Heart failure/aneurysms Ventricular arrhythmias SUDS • Sudden Unexplained Death Syndrome – the leading cause of death in young, healthy Southeast Asian males – Ventricular fibrillation – High risk of recurrence – ICD superiority over Beta blockers Nademanee K, Circulation. 2003;107:2221-6 Used Devices • Upgrades – RV pacing – ICD – CRT • Infections – 0.13% to 12.6% – Mean M time ti 52 d days ((quartile til 1 tto 3 3, 24 tto 162 days) Wilkhoff, JAMA. 2002; 288:3115-3123 Klug, Circulation. 2007;116:1349-55 Preliminary Experience Regarding ReUse of Explanted, Explanted Resterilized Defibrillators • 31 patients Mean age 52±15 (range 16 – 77) • Follow F ll up: 795 795±579 579 ((range 13 – 2237) days • No infectious complications • LV lead dislodgement g in 1 p pt. • 42% pts experienced appropriate shocks • 5 pts received a second explanted ICD after 1057±807, range Pavri, 362Circulation. – 21622010;122:A18350 days Feasibility of Device Acquisition with Adequate Battery Life for Potential Reuse in Underserved Nations Timir S. Baman, Lindsey Gakenheimer, Nathan E Sovitch, Patricia Sovitch, Joshua Romero, James N. Kirkpatrick, Brad Wasserman, George Samson, Howard Jones, Thomas Crawford, Hakan Oral, Kim A Eagle • 2172 devices donated • 10% with ≥75% battery life or 4 years • Average time since implantation was 2 1±1 0 years 2.1±1.0 Caregivers • Majority of VAD patients traditionally men, but with smaller devices entering the market more women expected to benefit from this technology • Traumatic spinal cord injury patients’ relationships do not fare as well when patient is woman and caregiver is man • Will this translate to VAD patients as well? Bridge vs. Destination Caregivers • The few small studies that do exist suggest gg that p partners/caregivers g of VAD patients experience significant psychological p y g distress • This is often counterbalanced by feelings of pride and hope in caregivers of bridge patients (has not yet been studied specifically in Destination Therapy) Competing Interests • Post-market surveillance ill • “Bench” analysis of generators • Post-mortem≠ changeouts Ellenbogen KA, KA et al. al JACC 2003;41:73-80 Kron J, et al. Am Heart J 2001;141:92-98. Gradaus T, et al. Pacing Clin Electrophysiol 2003;26:649-657 Heart Rhythm Society. Task Force on Device Performance Policies and Guidelines. 2006 Return all devices to manufacturers! Competing Interests • All devices with inadequate battery life sent to manufacturers • Increased return from donationsincrease rate of return to manufacturers