Signal Processing Techniques for Phonocardiogram De-Noising and Analysis
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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. -
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 -
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 ............................................................................................................................ -
An Integrated Framework for Cardiac Sounds Diagnosis
Western Michigan University ScholarWorks at WMU Master's Theses Graduate College 12-2015 An Integrated Framework for Cardiac Sounds Diagnosis Zichun Tong Follow this and additional works at: https://scholarworks.wmich.edu/masters_theses Part of the Computer Engineering Commons, and the Electrical and Computer Engineering Commons Recommended Citation Tong, Zichun, "An Integrated Framework for Cardiac Sounds Diagnosis" (2015). Master's Theses. 671. https://scholarworks.wmich.edu/masters_theses/671 This Masters Thesis-Open Access is brought to you for free and open access by the Graduate College at ScholarWorks at WMU. It has been accepted for inclusion in Master's Theses by an authorized administrator of ScholarWorks at WMU. For more information, please contact [email protected]. AN INTEGRATED FRAMEWORK FOR CARDIAC SOUNDS DIAGNOSIS by Zichun Tong A thesis submitted to the Graduate College in partial fulfillment of the requirements for a degree of Master of Science in Engineering Electrical and Computer Engineering Western Michigan University December 2015 Thesis Committee: Ikhlas Abdel-Qader, Ph.D., Chair Raghe Gejji, Ph.D. Azim Houshyar, Ph.D. AN INTEGRATED FRAMEWORK FOR CARDIAC SOUNDS DIAGNOSIS Zichun Tong, M.S.E. Western Michigan University, 2015 The Phonocardiogram (PCG) signal contains valuable information about the cardiac condition and is a useful tool in recognizing dysfunction and heart failure. By analyzing the PCG, early detection and diagnosis of heart diseases can be accomplished since many pathological conditions of the cardiovascular system cause murmurs or abnormal heart sounds. This thesis presents an algorithm to classify normal and abnormal heart sound signals using PCG. The proposed analysis is based on a framework composed of several statistical signal analysis techniques such as wavelet based de-noising, energy-based segmentation, Hilbert-Huang transform based feature extraction, and Support Vector Machine based classification. -
The Artificial Heart: Costs, Risks, and Benefits
The Artificial Heart: Costs, Risks, and Benefits May 1982 NTIS order #PB82-239971 THE IMPLICATIONS OF COST-EFFECTIVENESS ANALYSIS OF MEDICAL TECHNOLOGY MAY 1982 BACKGROUND PAPER #2: CASE STUDIES OF MEDICAL TECHNOLOGIES CASE STUDY #9: THE ARTIFICIAL HEART: COST, RISKS, AND BENEFITS Deborah P. Lubeck, Ph. D. and John P. Bunker, M.D. Division of Health Services Research, Stanford University Stanford, Calif. Contributors: Dennis Davidson, M. D.; Eugene Dong, M. D.; Michael Eliastam, M. D.; Dennis Florig, M. A.; Seth Foldy, M. D.; Margaret Marnell, R. N., M. A.; Nancy Pfund, M. A.; Thomas Preston, M. D.; and Alice Whittemore, Ph.D. OTA Background Papers are documents containing information that supplements formal OTA assessments or is an outcome of internal exploratory planning and evalua- tion. The material is usually not of immediate policy interest such as is contained in an OTA Report or Technical Memorandum, nor does it present options for Con- gress to consider. -I \lt. r,,, ,.~’ . - > ‘w, . ,+”b Office of Technology Assessment ./, -. Washington, D C 20510 4,, P ---Y J, ,,, ,,,, ,,, ,. Library of Congress Catalog Card Number 80-600161 For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 Foreword This case study is one of 17 studies comprising Background Paper #2 for OTA’S assessment, The Implications of Cost-Effectiveness Analysis of Medical Technology. That assessment analyzes the feasibility, implications, and value of using cost-effec- tiveness and cost-benefit analysis (CEA/CBA) in health -
Chapter 2 Ballistocardiography
POLITECNICO DI TORINO Corso di Laurea Magistrale in Ingegneria Biomedica Tesi di Laurea Magistrale Ballistocardiographic heart and breathing rates detection Relatore: Candidato: Prof.ssa Gabriella Olmo Emanuela Stirparo ANNO ACCADEMICO 2018-2019 Acknowledgements A conclusione di questo lavoro di tesi vorrei ringraziare tutte le persone che mi hanno sostenuta ed accompagnata lungo questo percorso. Ringrazio la Professoressa Gabriella Olmo per avermi dato la possibilità di svolgere la tesi nell’azienda STMicroelectronics e per la disponibilità mostratami. Ringrazio l’intero team: Luigi, Stefano e in particolare Marco, Valeria ed Alessandro per avermi aiutato in questo percorso con suggerimenti e consigli. Grazie per essere sempre stati gentili e disponibili, sia in campo professionale che umano. Un ringraziamento lo devo anche a Giorgio, per avermi fornito tutte le informazioni e i dettagli tecnici in merito al sensore utilizzato. Vorrei ringraziare anche tutti i ragazzi che hanno condiviso con me questa esperienza ed hanno contribuito ad alleggerire le giornate lavorative in azienda. Ringrazio i miei amici e compagni di università: Ilaria e Maria, le amiche sulle quali posso sempre contare nonostante la distanza; Rocco, compagno di viaggio, per i consigli e per aver condiviso con me gioie così come l’ansia e le paure per gli esami; Valentina e Beatrice perché ci sono e ci sono sempre state; Rosy, compagna di studi ma anche di svago; Sara, collega diligente e sempre con una parola di supporto, grazie soprattuto per tutte le dritte di questo ultimo periodo. Il più grande ringraziamento va ai miei genitori, il mio punto di riferimento, il mio sostegno di questi anni. -
Welch Allyn Stethoscopes Hear the Difference
Welch Allyn Stethoscopes Hear the Difference. Welch Allyn Stethoscopes Hear the difference from the leader in diagnostic care For almost 100 years, we have been focused on providing exceptional performance and value from every Welch Allyn device. Our complete lineup of stethoscopes are no exception. From our innovative sensor-based Elite Electronic stethoscope, the Harvey DLX with trumpet brass construction for improved sound, to our well-known disposable line, every Welch Allyn product has been designed to provide you—the caregiver—with outstanding value and performance. Electronic Stethoscopes Hear more of what you need and less of what you don’t Elite Electronic with SensorTech™ Technology Welch Allyn’s sensor-based electronic stethoscope gives you precise sound pickup—minimizing vibration, resonance and sound loss. This makes it easier to detect low diastolic murmurs and high-pitched pulmonary sounds you might not hear with other stethoscopes. Unlike traditional amplified stethoscopes that use a microphone in the head to collect the sound, the Elite Electronic places the acoustical sensor directly in contact with the diaphragm, allowing it to pick up even the faintest of sounds. Sound waves are then converted directly from the sensor to an electronic signal, minimizing unwanted ambient noise. • 2-position filter switch lets you listen to high or low frequencies • Adjustable binaurals and eartips ensure all-day comfort • Long-life lithium ion battery lasts up to 140 hours • Fits comfortably around your neck or in your pocket • 1-year warranty The Analyzer— Phonocardiogram and ECG right on your PC Record, playback, analyze, store, and share files right from your PC. -
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. -
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. -
The-Impact-Of-Murmur-S-Severity-On-The-Cardiac-Variability.Pdf
Research Article Journal of Medical Research and Surgery Mokeddem F, et al., J Med Res Surg 2020, 1:6 The Impact of Murmur’s Severity on the Cardiac Variability F. Mokeddem, Fadia Meziani, L. Hamza Cherif, SM Debbal* Genie-Biomedical Laboratory (GBM), Department of Genie-Biomedical, Faculty of Technology, University of Aboubekr Belkaid-Tlemcen, BP 119, Tlemcen, Algeria 5Internal Medicine, Bonita Community Health Center, Florida, USA Correspondence to: SM Debbal, Genie-Biomedical Laboratory (GBM), Department of Genie-Biomedical, Faculty of Technology, University of Aboubekr Belkaid- Tlemcen, BP 119, Tlemcen, Algeria; E-mail: [email protected] Received date: October 17, 2020; Accepted date: October 28, 2020; Published date: November 4, 2020 Citation: Mokeddem F, Meziani F, Cherif LH, et al. (2020) The Impact of Murmur’s Severity on the Cardiac Variability. J Med Res Surg 1(6): pp. 1-6. Copyright: ©2020 Mokeddem F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited. ABSTRACT Phonocardiogram (PCG) signal is one of the useful approach to explore cardiac activity, and extract many features to help researchers to develop technic that may serve medical stuff to the diagnosis of several cardiac diseases. For people when it comes to a heart activity problem it is a serious health matter that need special care. In this paper, the importance is given to heart murmurs to highlight their impact. Heart murmurs are very common disease in world and depend on their severity they could be life-threatening point; therefore, the purpose of this paper is focused on three essential steps: first is to design an algorithm to extract only heart murmurs from a pathological Phonocardiogram (PCG) signal as a basic background to the whole work. -
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 -
Assessment of Trends in the Cardiovascular System from Time Interval Measurements Using Physiological Signals Obtained at the Limbs
ADVERTIMENT . La consulta d’aquesta tesi queda condicionada a l’acceptació de les següents condicions d'ús: La difusió d’aquesta tesi per mitjà del servei TDX ( www.tesisenxarxa.net ) ha estat autoritzada pels titulars dels drets de propietat intel·lectual únicament per a usos privats emmarcats en activitats d’investigació i docència. No s’autoritza la seva reproducció amb finalitats de lucre ni la seva difusió i posada a disposició des d’un lloc aliè al servei TDX. No s’autoritza la presentació del seu contingut en una finestra o marc aliè a TDX (framing). Aquesta reserva de drets afecta tant al resum de presentació de la tesi com als seus continguts. En la utilització o cita de parts de la tesi és obligat indicar el nom de la persona autora. ADVERTENCIA . La consulta de esta tesis queda condicionada a la aceptación de las siguientes condiciones de uso: La difusión de esta tesis por medio del servicio TDR ( www.tesisenred.net ) ha sido autorizada por los titulares de los derechos de propiedad intelectual únicamente para usos privados enmarcados en actividades de investigación y docencia. No se autoriza su reproducción con finalidades de lucro ni su difusión y puesta a disposición desde un sitio ajeno al servicio TDR. No se autoriza la presentación de su contenido en una ventana o marco ajeno a TDR (framing). Esta reserva de derechos afecta tanto al resumen de presentación de la tesis como a sus contenidos. En la utilización o cita de partes de la tesis es obligado indicar el nombre de la persona autora.