The Artificial Heart: Costs, Risks, and Benefits
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Surgical Advances in Heart and Lung Transplantation
Anesthesiology Clin N Am 22 (2004) 789–807 Surgical advances in heart and lung transplantation Eric E. Roselli, MD*, Nicholas G. Smedira, MD Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic Foundation, Desk F25, 9500 Euclid Avenue, Cleveland, OH 44195, USA The first heart transplants were performed in dogs by Alexis Carrel and Charles Guthrie in 1905, but it was not until the 1950s that attempts at human orthotopic heart transplant were reported. Several obstacles, including a clear definition of brain death, adequate organ preservation, control of rejection, and an easily reproducible method of implantation, slowed progress. Eventually, the first successful human to human orthotopic heart transplant was performed by Christian Barnard in South Africa in 1967 [1]. Poor healing of bronchial anastomoses hindered early progress in lung transplantation, first reported in 1963 [2]. The first successful transplant of heart and both lungs was accomplished at Stanford University School of Medicine (Stanford, CA) in 1981 [3]. The introduction of cyclosporine to immunosuppres- sion protocols, with lower doses of steroids, led to the first successful isolated lung transplant, performed at Toronto General Hospital in 1983 [4]. Since these early successes at thoracic transplantation, great progress has been made in the care of patients with end-stage heart and lung disease. Although only minor changes have occurred in surgical technique for heart and lung transplantation, the greatest changes have been in liberalizing donor criteria to expand the donor pool. This article focuses on more recent surgical advances in donor selection and management, procurement and implantation, and the impact these advances have had on patient outcome. -
Signal Processing Techniques for Phonocardiogram De-Noising and Analysis
-3C).1 CBME CeaEe for Bionedio¡l Bnginocdng Adelaide Univenity Signal Processing Techniques for Phonocardiogram De-noising and Analysis by Sheila R. Messer 8.S., Urriversity of the Pacific, Stockton, California, IJSA Thesis submitted for the degree of Master of Engineering Science ADELAIDE U N IVERSITY AUSTRALIA Adelaide University Adelaide, South Australia Department of Electrical and Electronic Faculty of Engineering, Computer and Mathematical Sciences July 2001 Contents Abstract vi Declaration vll Acknowledgement vul Publications lx List of Figures IX List of Tables xlx Glossary xxii I Introduction I 1.1 Introduction 2 t.2 Brief Description of the Heart 4 1.3 Heart Sounds 7 1.3.1 The First Heart Sound 8 1.3.2 The Second Heart Sound . 8 1.3.3 The Third and Fourth Heart Sounds I I.4 Electrical Activity of the Heart I 1.5 Literature Review 11 1.5.1 Time-Flequency and Time-Scale Decomposition Based De-noising 11 I CO]VTE]VTS I.5.2 Other De-noising Methods t4 1.5.3 Time-Flequency and Time-Scale Analysis . 15 t.5.4 Classification and Feature Extraction 18 1.6 Scope of Thesis and Justification of Research 23 2 Equipment and Data Acquisition 26 2.1 Introduction 26 2.2 History of Phonocardiography and Auscultation 26 2.2.L Limitations of the Hurnan Ear 26 2.2.2 Development of the Art of Auscultation and the Stethoscope 28 2.2.2.L From the Acoustic Stethoscope to the Electronic Stethoscope 29 2.2.3 The Introduction of Phonocardiography 30 2.2.4 Some Modern Phonocardiography Systems .32 2.3 Signal (ECG/PCG) Acquisition Process .34 2.3.1 Overview of the PCG-ECG System .34 2.3.2 Recording the PCG 34 2.3.2.I Pick-up devices 34 2.3.2.2 Areas of the Chest for PCG Recordings 37 2.3.2.2.I Left Ventricle Area (LVA) 37 2.3.2.2.2 Right Ventricular Area (RVA) 38 oaooe r^fr /T ce a.!,a.2.{ !v¡u Ãurlo¡^+-;^l ¡rr!o^-^^ \!/ ^^\r¡ r/ 2.3.2.2.4 Right Atrial Area (RAA) 38 2.3.2.2.5 Aortic Area (AA) 38 2.3.2.2.6 Pulmonary Area (PA) 39 ll CO]VTE]VTS 2.3.2.3 The Recording Process . -
PDI 07 Pediatric Heart Surgery Volume
AHRQ QI, Pediatric Quality Indicators #7, Technical Specifications, Pediatric Heart Surgery Volume www.qualityindicators.ahrq.gov Pediatric Heart Surgery Volume Pediatric Quality Indicators #7 Technical Specifications Provider-Level Indicator AHRQ Quality Indicators, Version 4.4, March 2012 Numerator Discharges under age 18 with ICD-9-CM procedure codes for either congenital heart disease (1P) or non-specific heart surgery (2P) with ICD-9-CM diagnosis of congenital heart disease (2D) in any field. ICD-9-CM Congenital heart disease procedure codes (1P)1,2: 3500 CLOSED VALVOTOMY NOS 3551 PROS REP ATRIAL DEF-OPN 3501 CLOSED AORTIC VALVOTOMY 3552 PROS REPAIR ATRIA DEF-CL 3502 CLOSED MITRAL VALVOTOMY 3553 PROS REP VENTRIC DEF-OPN 3503 CLOSED PULMON VALVOTOMY 3554 PROS REP ENDOCAR CUSHION 3504 CLOSED TRICUSP VALVOTOMY 3560 GRFT REPAIR HRT SEPT NOS 3505 ENDOVAS REPL AORTC VALVE 3561 GRAFT REPAIR ATRIAL DEF 3506 TRNSAPCL REP AORTC VALVE 3562 GRAFT REPAIR VENTRIC DEF 3507 ENDOVAS REPL PULM VALVE 3563 GRFT REP ENDOCAR CUSHION 3508 TRNSAPCL REPL PULM VALVE 3570 HEART SEPTA REPAIR NOS 3510 OPEN VALVULOPLASTY NOS 3571 ATRIA SEPTA DEF REP NEC 3511 OPN AORTIC VALVULOPLASTY 3572 VENTR SEPTA DEF REP NEC 3512 OPN MITRAL VALVULOPLASTY 3573 ENDOCAR CUSHION REP NEC 3513 OPN PULMON VALVULOPLASTY 3581 TOT REPAIR TETRAL FALLOT 3514 OPN TRICUS VALVULOPLASTY 3582 TOTAL REPAIR OF TAPVC 3520 OPN/OTH REP HRT VLV NOS 3583 TOT REP TRUNCUS ARTERIOS 3521 OPN/OTH REP AORT VLV-TIS 3584 TOT COR TRANSPOS GRT VES 3522 OPN/OTH REP AORTIC VALVE 3591 INTERAT VEN RETRN TRANSP -
The First Total Artificial Heart
The First Total Artificial Heart On the night of December 1-2, 1982, with a major winter storm howling outside, medical history was being made inside the University of Utah Hospital. This event was the implantation of the first destination total artificial heart (TAH) in a human being. That person, 61-year-old Barney Clark, was a retired Seattle dentist with family roots in Utah. Dr. Clark’s several year history of dyspnea and fatigability had been attributed to chronic obstructive pulmonary disease in a University of Utah Hospital former smoker. However, 2 1/2 years before admission, a diagnosis of heart failure was made associated with atrial fibrillation with a rapid ventricular response. In-patient treatment for recurrent heart failure with paroxysmal ventricular tachycardia (VT) was required 1 ½ years before admission. Coronary angiography and left ventriculography established a diagnosis of advanced, non-ischemic dilated cardiomyopathy with an ejection fraction of 23%. Because of symptomatic progression of heart failure, Dr. Clark was referred to the author at LDS Hospital in Salt Lake City, near family members, for investigational inotrope therapy (amrinone), but this caused hypotension and exacerbated atrial and ventricular tachyarrhythmias. Endomyocardial biopsy showed low-grade cellular and humoral myocarditis, and a course of immunosuppressant therapy (prednisone and azathioprine) was begun with initial improvement. However, clinical deterioration resumed, with low- output failure and edema, 6 ½ months later, leading to hospitalization for IV diuretics and dobutamine. Clinical improvement was only marginal, leaving him in class IV heart failure. Jeffrey L. Anderson, MD: Barney Clark’s Cardiologist An opportune meeting occurred 3-4 months prior to the final admission between the author and Dr. -
Thickness After Heart Transplantation Acute Cellular Rejection and Left
Downloaded from heart.bmj.com on 19 November 2006 Intragraft interleukin 2 mRNA expression during acute cellular rejection and left ventricular total wall thickness after heart transplantation H A de Groot-Kruseman, C C Baan, E M Hagman, W M Mol, H G Niesters, A P Maat, P E Zondervan, W Weimar and A H Balk Heart 2002;87;363-367 doi:10.1136/heart.87.4.363 Updated information and services can be found at: http://heart.bmj.com/cgi/content/full/87/4/363 These include: References This article cites 27 articles, 5 of which can be accessed free at: http://heart.bmj.com/cgi/content/full/87/4/363#BIBL 1 online articles that cite this article can be accessed at: http://heart.bmj.com/cgi/content/full/87/4/363#otherarticles Rapid responses You can respond to this article at: http://heart.bmj.com/cgi/eletter-submit/87/4/363 Email alerting Receive free email alerts when new articles cite this article - sign up in the box at the service top right corner of the article Topic collections Articles on similar topics can be found in the following collections Other Cardiovascular Medicine (2051 articles) Transplantation (283 articles) Molecular Medicine (1113 articles) Other immunology (943 articles) Notes To order reprints of this article go to: http://www.bmjjournals.com/cgi/reprintform To subscribe to Heart go to: http://www.bmjjournals.com/subscriptions/ Downloaded from heart.bmj.com on 19 November 2006 363 BASIC RESEARCH Intragraft interleukin 2 mRNA expression during acute cellular rejection and left ventricular total wall thickness after heart transplantation H A de Groot-Kruseman, C C Baan, E M Hagman, W M Mol, H G Niesters, A P Maat, P E Zondervan, W Weimar, A H Balk ............................................................................................................................ -
Ventricular Assist Devices (Vads) and Total Artificial Hearts These Services May Or May Not Be Covered by Your Healthpartners Plan
Ventricular assist devices (VADs) and total artificial hearts These services may or may not be covered by your HealthPartners plan. Please see your plan documents for your specific coverage information. If there is a difference between this general information and your plan documents, your plan documents will be used to determine your coverage. Administrative Process Prior authorization is required for insertion of an implantable ventricular assist device (VAD). Prior authorization is required for placement of a total artificial heart (TAH). Prior authorization is not required in the event that either of the devices listed above is used under emergency circumstances for a critically ill member in an in-patient setting. Emergency use is defined as necessary to save the life or protect the immediate well-being of a given patient. However, services with specific coverage criteria may be reviewed concurrently or retrospectively to determine medical necessity. Prior authorization is not required for percutaneous ventricular assist devices (pVADs). Coverage Insertion of an implantable ventricular assist device (VAD) or total artificial heart (TAH) is covered per the member’s plan documents when the criteria outlined below are met and the procedure is performed at a HealthPartners Transplant Center of Excellence. Please see the Related Content section for the Transplant Centers of Excellence documents. Indications that are covered Implantable ventricular assist device Adult 1. An implantable VAD is covered as a bridge to recovery in patients with a potentially reversible condition when the following criteria are met: A. The requested device has received approval from the Food and Drug Administration (FDA) and is being used in accordance with device-specific, FDA-approved indications. -
Late Atrioventricular Block and Permanent Pacemaker Implantation After Heart Transplantation
572 Türk Kardiyol Dern Arş - Arch Turk Soc Cardiol 2009;37(8):572-574 Late atrioventricular block and permanent pacemaker implantation after heart transplantation Kalp nakli sonrası geç dönemde atriyoventriküler blok ve kalıcı kalp pili uygulaması Mustafa Akçakoyun, M.D., Ahmet Duran Demir, M.D., Mehmet Ali Özatık, M.D.,1 Şeref Küçüker, M.D.1 Departments of Cardiology and 1Cardiovascular Surgery, Türkiye Yüksek İhtisas Heart-Education and Research Hospital, Ankara The need for permanent pacemaker implantation due Kalp nakli sonrasında geç dönemde atriyoventrikü- to late atrioventricular (AV) block after heart transplan- ler (AV) blok nedeniyle kalıcı kalp pili uygulaması tation is rare. A 59-year-old male patient underwent nadirdir. Elli dokuz yaşında erkek hastaya kalp nakli heart transplantation. He presented with syncope eight yapıldı. Ameliyattan sekiz ay sonra hastada bayılma months after transplantation. Ambulatory 24-hour Holter yakınmaları ortaya çıktı. Ambulatuvar 24 saatlik Holter monitoring showed predominant sinus rhythm with a takibinde, ortalama 74 atım/dk kalp hızı ile esas olarak mean heart rate of 74 bpm, intermittent second-degree sinüs ritminde olan hastada geçici ikinci derece AV AV block, and high-degree AV block with pauses of up blok ve 10.6 saniyeye kadar varabilen ileri derecede to 10.6 seconds. Percutaneous transvenous endomyo- AV blok atakları izlendi. Perkütan transvenöz endo- cardial biopsy yielded a histologic diagnosis of grade IA miyokardiyal biyopsi materyalinin histolojik inceleme- rejection according to the ISHLT (International Society sinde, ISHLT (International Society of Heart and Lung of Heart and Lung Transplantation) scoring system. A Transplantation) sınıflamasına göre derece IA doku permanent pacemaker with DDD-R mode was implant- reddi saptandı. -
280 Total Artificial Hearts and Implantable Ventricular Assist
Medical Policy Total Artificial Hearts and Implantable Ventricular Assist Devices Table of Contents • Policy: Commercial • Coding Information • Information Pertaining to All Policies • Policy: Medicare • Description • References • Authorization Information • Policy History Policy Number: 280 BCBSA Reference Number: 7.03.11 Related Policies • Heart/Lung Transplant, #269 • Heart Transplant, #197 • Extracorporeal Membrane Oxygenation, #726 Policy Commercial Members: Managed Care (HMO and POS), PPO, and Indemnity Bridge to Transplantation Implantable ventricular assist devices (VADs) with Food and Drug Administration (FDA) approval or clearance may be considered MEDICALLY NECESSARY as a bridge to heart transplantation for patients who are currently listed as heart transplantation candidates and not expected to survive until a donor heart can be obtained, or are undergoing evaluation to determine candidacy for heart transplantation. Implantable (VADs) with FDA approval or clearance, including humanitarian device exemptions, may be considered MEDICALLY NECESSARY as a bridge to heart transplantation in children 16 years old or younger who are currently listed as heart transplantation candidates and not expected to survive until a donor heart can be obtained, or are undergoing evaluation to determine candidacy for heart transplantation. Total artificial hearts (TAHs) with FDA-approved devices may be considered MEDICALLY NECESSARY as a bridge to heart transplantation for patients with biventricular failure who have no other reasonable medical -
Middle Articles
BRITISH 174 19 October 1968 MEDICAL JOURNAL Middle Articles Experimental Development of Cardiac Transplantation D. K. C. COOPER,* M.B., B.S. Brit med. Y., 1968, 4, 174-181 Heart transplantation has in recent months become a heart became more feasible, and, finally, when technical and clinical fact. Its experimental development reaches back physiological problems had been studied and minimized, efforts over 60 years, and has been augmented, particularly in were made to combat the immune response with immuno- the field of imm'inosuppression, by knowledge gained suppressive drugs. By 1964 the state of our knowledge regard- from studies of kidney transplantation. Research workers ing cardiac transplantation was sufficient for one group of were faced with a number of questions. Would a surgeons to attempt transplantation in man. denervated heart function effectively, if at all? How would it respond to various pharmacological agents? to that in Would the pattern of "rejection" be similar Transplantation of an Accessory Heart other organs? How could immunological rejection of the heart be assessed clinically? What would be the The first reported attempts at experimental heart trans- most effective form of immunosuppression ? And, finally, plantation were by Carrel and Guthrie in 1905 (Carrel and would the findings gained from experimental work on dogs Guthrie, 1905 ; Carrel, 1907). be applicable to man ? Today most of these and other They transplanted the heart in several different ways, but questions have been answered, at least in part, and this their most fully described technique is shown in Fig. 1. The paper traces the many stages of progress in this field, heart of a small dog was transplanted into the neck of a larger from the pioneering work of Carrel and Guthrie in 1905 one, the procedure taking about 75 minutes. -
Total Artificial Heart and Ventricular Assist Devices
UnitedHealthcare® Commercial Medical Policy Total Artificial Heart and Ventricular Assist Devices Policy Number: 2021T0384V Effective Date: May 1, 2021 Instructions for Use Table of Contents Page Related Commercial Policy Coverage Rationale ........................................................................... 1 • Clinical Trials Documentation Requirements......................................................... 1 Applicable Codes .............................................................................. 2 Community Plan Policy Description of Services ..................................................................... 2 • Total Artificial Heart and Ventricular Assist Devices Clinical Evidence ............................................................................... 2 Medicare Advantage Coverage Summary U.S. Food and Drug Administration ................................................ 5 • Ventricular Assist Device (VAD) and Artificial Heart References ......................................................................................... 6 Policy History/Revision Information................................................ 7 Related Clinical Guidelines Instructions for Use ........................................................................... 8 • Mechanical Circulatory Support Devices (MCSD) • Transplant Review Guidelines: Solid Organ Transplantation Coverage Rationale The SynCardia™ temporary Total Artificial Heart is proven and medically necessary as a bridge to heart transplantation in members who meet all of -
Total Artificial Heart Reference Number: CP.MP.127 Coding Implications Last Review Date: 11/20 Revision Log
CEN,:'ENS:" ~·orporalion Clinical Policy: Total Artificial Heart Reference Number: CP.MP.127 Coding Implications Last Review Date: 11/20 Revision Log See Important Reminder at the end of this policy for important regulatory and legal information. Description The SynCardia temporary Total Artificial Heart (TAH) (SynCardia Systems Inc.), formerly known as the CardioWest Total Artificial Heart, is a biventricular pulsatile pump that replaces the patient’s native ventricles and valves. This policy describes the medical necessity requirements for the total artificial heart. Policy/Criteria I. It is the policy of health plans affiliated with Centene Corporation® that the TAH is medically necessary as a bridge to heart transplantation when all of the following criteria are met: A. Member/enrollee is approved for cardiac transplant and is currently on transplant list; B. New York Heart Association (NYHA) Functional Class IV; C. Presence of non-reversible biventricular failure unresponsive to all other treatments; D. Ineligible for other ventricular support devices; E. Compatible donor heart is currently unavailable; F. Imminent risk of death; G. The device is U.S. FDA approved and used according to the FDA-labeled indications, contraindications, warnings and precautions; H. Member/enrollee is able to receive adequate anti-coagulation while on the total artificial heart. II. It is the policy of health plans affiliated with Centene Corporation that the TAH is experimental/investigational for use as destination therapy (permanent replacement of the failing heart). III. It is the policy of health plans affiliated with Centene Corporation that hospital discharge of members/enrollees implanted with the TAH who are supported by portable drivers (e.g., the Freedom portable driver) is experimental/investigational. -
Cardiothoracic Transplantation Annual Report
ANNUAL REPORT ON CARDIOTHORACIC ORGAN TRANSPLANTATION REPORT FOR 2019/2020 (1 APRIL 2010 – 31 MARCH 2020) PUBLISHED AUGUST 2020 PRODUCED IN COLLABORATION WITH NHS ENGLAND CONTENTS Contents 1. Executive summary .................................................................................................... 5 2. Introduction ................................................................................................................ 7 2.1 Overview ................................................................................................................. 9 2.2 Geographical variation in registration and transplant rates .....................................15 ADULT HEART TRANSPLANTATION ...............................................................................20 3. Transplant list .........................................................................................................20 3.1 Adult heart only transplant list as at 31 March, 2011 – 2020 ...............................21 3.2 Demographic characteristics, 1 April 2019 – 31 March 2020 ..............................24 3.3 Post-registration outcomes, 1 April 2016 – 31 March 2017 .................................25 3.4 Median waiting time to transplant, 1 April 2014 - 31 March 2017 ........................28 4. Response to offers ................................................................................................33 5. Transplants .............................................................................................................36 5.1 Adult heart