Wednesday, January 29, 2020
Bhopal Ethics Essay Example for Free
Bhopal Ethics Essay The Bhopal gas leak was a terrible tragedy in which thousands of helpless civilians were killed and hundreds of thousands were injured as they slept. Determining who was at fault and, consequently, who should compensate the victims and clean up the site are questions that have plagued the affected parties, my Rotman classmates and the world at large for over 25 years. The analysis to follow, in attempting to present the roles and responsibilities of each major player, will demonstrate the incredible difficulty involved in assigning conclusive responsibility for the tragedy. This will be followed by my personal reflections on the incident in which I present an additional culprit to those discussed in class. Union Carbide Corporation (US): In seeking to assign responsibility for the incident, there are two clear opportunities to point the finger at Union Carbide Corporation. Firstly, pressure from the corporate office to stop losses backed Union Carbide India into a corner that led to the cost-cutting proposal that ultimately produced the disaster. If, as Milton Friedman said, the social responsibility of a business is to increase profits, then Union Carbide Corporation is under a purely fiduciary, and not a moral or ethical, responsibility to the companyââ¬â¢s shareholders and their decision to approve the cost-cutting plan seems appropriate. Friedmanââ¬â¢s view, however, is far from universally accepted. Many believe that corporationsââ¬â¢ responsibilities to their shareholders, employees, customers and communities extend past fiduciary and enter the realms of ethics and CSR. These people will lay blame for the incident at Union Carbide Corporation for putting profits before people. A second criticism often leveled at Union Carbide Corporation is the fact that their inspectors had visited the Bhopal plant a year before the incident and noted sixty-one safety issues. A grand total of zero of these recommendations had been implemented by the time of the incident. While responsibility for implementation certainly rests with Union Carbide India, the parent company cannot escape blameless as they bear responsibility for following up and ensuring their plants are meeting their own safety guidance. This negligence led to disaster. Union Carbide India Limited: The Indian subsidiary of Union Carbideââ¬â¢s level of responsibility for the Bhopal tragedy is also difficult to determine. It clearly bears responsibility for non-functioning safety and emergency equipment that greatly exacerbated the scope of the tragedy. It is simply unacceptable that the cooling unit had been disabled for over one year. Union Carbide India also failed its responsibilities by hiring under-qualified and illiterate employees, and then failing to train them appropriately. These employees did not understand the dangers and worked in a world where minor leaks were commonplace and corroded instruments could not be trusted. As well, the subsidiary surely deserves blame for not correcting any of the safety violations identified before the incident. Defendants of the Indian subsidiary, however, will remind their critics that cutting these corners were required to keep their plant open and preserve their jobs and important pesticides. Without pressure from their US parent to eliminate losses, they argue, such drastic measures would not have been necessary. Here again we see how easily complications arise when attempting to assign responsibility for ethical lapses. Government of India: The government of India was the strongest proponent in bringing a Union Carbide plant to Bhopal as the prospect of jobs and much needed pesticides led to an offer Union Carbide could not refuse: cheap labour, tax breaks, few workplace safety restrictions and a guaranteed market for 100% of their output. The Government of India, in addition to economic growth, also bears responsibility for the safety and well-being of its citizens; here, they failed to live up to their full mandate. Firstly, the decision to favour economic growth over safety was questionable ethically and ended up costing them dearly. Secondly, the Government neglected the densely-populated shanty town that had grown up near the plant on land deeded from local officials. Its residents were the first and main victims of the poisonous gas. Still, many will argue that a cost-benefit analysis made creating jobs and accessible pesticide for a poor and hungry region the proper priority. While many were ultimately harmed by the leak, how many more had benefitted from the poverty-alleviating jobs and hunger-alleviating crops? Here again we find valid points and counter-points, leaving us no closer to assigning conclusive blame and responsibility for the tragedy. Dow Chemical: While Dow certainly protected itself in the purchase agreement from a legal standpoint, there are those that suggest the proper ethical action is for Dow to assume responsibility for any outstanding clean up and compensation. While this may innately feel like the right thing to do, the counterpoint that Dow had nothing to do with the incident and should not be punished after paying fair market value for Union Carbide is also valid. Personal Reflection: Analyzing the conduct of the major parties has not produced any conclusive allocation of responsibility. It is clear that each party deserves significant blame but no party deserves total blame. There is, however, an overlooked culprit that I believe deserves the bulk of the blame: the expectations market that has hijacked the decision making of US corporations(1). Ever-increasing emphasis on the expectations market (stock prices) instead of the real market (products/services, relationships with customers and communities) has left businesses making short-term, profit-chasing decisions at the expense of their reputation, ethics and long-term viability. Approving cost cuts that jeopardized safety in Bhopal is just one of all too many such instances. This juxtaposition of ethics vs. eeting financial expectations, however, is fatally flawed ââ¬â there are many examples where ethical decisions produce long term financial success (Tylenol and Maple Leaf Foods recalls, for example). Queens University took the ethical route vis a vis the Radler donation and the class poll revealed that only a very small percentage of us had heard of that incident. I believe that if Queens had ta ken the easier, unethical decision and never offered to return the donation, this story would have been much more widely publicized and Queens would have suffered in the long run. Moreover, there is no shortage of examples where short-term unethical decisions destroy companies and make them miss their projections forever! (Enron, Bre-X, Nortel, etc ââ¬â sadly this is a very long list indeed). In short, I disagree with Friedman and lay the bulk of Bhopal blame at the financial system in which Union Carbide operated. Fear of getting hammered by the expectations market led to corporateââ¬â¢s threat to close the Bhopal plant which set off the chain reaction that ultimately ended in tragedy. Fear of incurring further losses after the tragedy than focused Union Carbideââ¬â¢s efforts on avoiding liability, rather than taking the ethical high-ground and assuming fair responsibility for compensation and clean up. Corporate promotion of hypernorms such as integrity, compassion and responsibility will ultimately benefit all stakeholders and provide corporations with the enduring financial rewards that accrue to those that are respected and well-liked by the real market (ie. onsumers and communities, not analysts and speculators). We need to usher in a new era where businesses chase solid reputations and community longevity instead of quarterly earnings expectations. The default corporate reaction to adversity must shift towards upholding these hypernorms, rather than hiding behind lawyers and waiting until the blame has been transferred elsewhere. Realizing that employing the ethical strategy does not compromise, but actually enhances long term financial viability is a cruc ial first step.
Tuesday, January 21, 2020
Comparing Teens in Catcher in the Rye, Tears of a Tiger, and Whirligig :: comparison compare contrast essays
Problem Teens in Catcher in the Rye, Tears of a Tiger, and Whirligig The Catcher in the Rye, J.D. Salinger's novel set in the 1950s, told the story of sixteen-year-old Holden Caulfield. Deciding that he's had enough of Pencey, his fourth school that he'd failed, he goes to Manhattan three days before his scheduled return to home, not wanting to inform his parents that he'd been expelled and sent back. He explores the city, calls up some old friends, gets nicked by the elevator operator, and gradually becomes bitter about the world and people. He then visited his sister Phoebe. After fleeing from the house of Mr. Antolini, his former English teacher, because of mistaking his actions for a homosexual overture, Holden went to Phoebe's school and sent her a note telling her he was leaving home and to meet him at the museum. When Phoebe arrived, Holden angrily refused her request to take her with him and she ignored to speak to him. He then took her across the park to a carousel, bought her a ticket and watched her ride. Holden ended his narrat ive here, telling the reader that he was not going to tell the story of how he went home and got "sick". He planned to go to a new school in the fall and was cautiously optimistic about his future. Tears of a Tiger, Sharon M. Draper's compelling novel about the death of high school basketball star Rob Washington in an automobile accident, exposed the dangers of drinking and driving with its deadly consequences. Andy Jackson was driving the car that crashed, killing his best friend Rob, and the cost was more than he could bear. Months later, he still couldn't stop blaming himself, even after the constant comforts from his friends and sessions with a psychologist. Drowning in his guilt, he turned away from his family, his friends, his girlfriend and his future. Whirligig, Paul Fleischman's beautifully constructed novel that spun the complex story of Brent Bishop and his task to memorialize Lea, an unfortunate teen who crossed his path when he tried to kill himself in a car. To keep Lea's spirit alive, Brent was assigned to create four whirligigs that resembled Lea, and put them in the four corners of the United States.
Monday, January 13, 2020
Life of Quaid E Azam
ACCF/AHA Pocket Guideline Adapted from the 2011 ACCF/AHA Guideline for the Diagnosis and Treatment of Hypertrophic Cardiomyopathy November 2011 Developed in Collaboration With the American Association for Thoracic Surgery, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Failure Society of America, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, and Society of Thoracic Surgeons à © 2011 by the American College of Cardiology Foundation and the American Heart Association, Inc.The following material was adapted from the 2011 ACCF/AHA Guidelines for the Diagnosis and Treatment of Hypertrophic Cardiomyopathy (J Am Coll Cardiol 2011;XX:XXââ¬âXX). This pocket guideline is available on the World Wide Web sites of the American College of Cardiology (www. cardiosource. org) and the American Heart Association (my. americanheart. org). For copies of this document, please contact Elsevier Inc. Reprint Department, e-mail: [ema ilà protected] com; phone: 212-633-3813; fax: 212-633-3820.Permissions: Multiple copies, modification, alteration, enhancement, and/ ordistribution of this document are not permitted without the express permission of the American College of Cardiology Foundation. Please contact Elsevierââ¬â¢s permission department at [emailà protected] com. Contents 1. Introduction â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 3 2. Clinical Definition â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. â⬠¦ 6 3. Genetic Testing Strategies/Family Screening â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 4. Genotype-Positive/Phenotype-Negative Patients â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦ â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 9 5. Echocardiography â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 10 6. Stress Testing â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 14 7. Cardiac Magnetic Resonance â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 15 8. Detection of Concomitant Coronary Disease â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 17 9. Asymptomatic Patients â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 19 10.Pharmacologic Managementâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 21 11. Invasive Therapies â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 26 12. Pacing â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 29 13. Sudden Cardiac Death Risk Stratification â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 30 14. Selection of Patients for Implantable Cardioverter-Defibrillators â⬠¦ 32 15. Participation in Competitive or Recreational Sports and Physical Activity â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â ¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 6 16. Management of Atrial Fibrillation â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 38 17. Pregnancy/Delivery â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 41 2 1. Introduction The impetus for the guidelines is based on an appreciation of the frequency of this clinical entity and a realization that many aspects of clinical management, including the use of diagnostic modalities, genetic testing, utilization of implantable cardioverter-defibrillators (ICDs), and therapies for refractory symptoms lack consensus.The discussion and recommendations about the various diagnostic modalities apply to patients with established HCM and to a variable extent to patients with a high index of suspicion of the disease. Classification of Recommendations The ACCF/AHA classifications of recommendations and levels of evidence are utilized, and described in more detail in Table 1. 3 Applying Classification of Recommendations and LevelRecommendations and Level of Evidence Table 1. Applying Classification of of Evidence Table 1. Applying Classification of Recommendations and Level of Evidence S i z e Class I Benefit >>> Risk f T r e a T m eSni T ee f ffe c T e a T z o Tr Class IIb Class IIa Benefit >>> Risk Benefit Risk Additional studies with broad Additional studies with objectives objectives needed focused needed; additional registryreasonable to perIt Is data would be helpful Class IIa Class I Benefit >> RiskRisk Benefit >>> Additional studies with Procedure/Treatment focused objectives needed should be performed/ Procedure/Treatment should be performed/ administered It administered Is reasonable to perform procedure/administer treatment n Recommendation favor n Recommendation in thatProcedure/Treatment form procedure/administer may be ConsIdered treatment n n Rec ommendation Recommendationââ¬â¢s eSTimaTe of cerTainTy (PreciSion) of TreaTmenT effecT a populations d* ived from multiple zed clinical trials analyses Recommendation that level a procedure or treatment Multiple populations is useful/effective evaluated* n Sufficient evidence from Data randomized multiple multiplederived from trials randomized clinical trials or meta-analyses or meta-analyses n of procedure or procedure treatment treatment is useful/effective being useful/effective n Sufficient evidence from n Some conflicting evidence n favor usefulness/efficacy less of treatment or procedure well established being useful/effective conflicting evidence evidence from multiple from multiple randomized randomized trials or trials or meta-analyses meta-analyses in favor of treatment or procedure usefulness/efficacy less being useful/effective well established conflicting evidence from single evidence from single randomized trial randomized trial oror nonrandomized studies nonrandomi zed studies in favor usefulness/efficacy less of treatment or procedure well established being useful/effective opinion, case studies, or opinion, case studies, standard of care care or standard of may/might be considered is reasonable may/might be reasonable can be useful/effective/beneficial usefulness/effectiveness is is probably recommended unknown/unclear/uncertain or indicated or not well established n n Some Greater multiple randomized trials from multiple randomized or or meta-analyses trialsmeta-analyses b populations d* ived from a ndomized trial ndomized studiesRecommendation that level b procedure or treatment Limited populations is useful/effective evaluated* n Evidence from single Data derived or randomized trialfrom a single randomized trial nonrandomized studies or nonrandomized studies n n Recommendation in that n Recommendation favor n n Recommendation Recommendationââ¬â¢s of procedure or procedure treatment treatment being useful/effective is useful/effective n Some conflicting single n Evidence from n n Some Greater evidence from trial or randomized single randomized trial or nonrandomized studies nonrandomized studies n Recommendation favor n Recommendation in that C ited populations d* sensus opinion ts, case studies, ard of careRecommendation that level C procedure or treatment is Very limited populations useful/effective evaluated* n Only expert opinion, case Only consensus opinion studies, or standard of care of experts, case studies, or standard of care n n n Recommendation Recommendationââ¬â¢s of procedure or procedure is treatment treatment useful/effective being useful/effective n Only expert expert n Only divergingopinion, case studies, or studies, opinion, casestandard of care or standard of care is reasonable should can be useful/effective/beneficial is recommended is probably recommended is indicated oris useful/effective/beneficial indicated n n Only diverging expert Only diverging expert d phrases for commendations shou ld Suggested phrases for writing recommendations is recommended is ndicated is useful/effective/beneficial s treatment/strategy A is Comparative recommended/indicated in effectiveness phrasesâ⬠preference to treatment B treatment/strategy A is probably treatment/strategy A is recommended/indicated in in recommended/indicated preference to to treatment B preference treatment B it is reasonableshould be chosen treatment A to choose treatment A over treatment B over treatment B treatment/strategy A is probably recommended/indicated in preference to treatment B it is reasonable to choose treatment A over treatment B ive ess phrasesâ⬠4 treatment A should be chosen over treatment B e T menT e ffe c T A recommendation with Level of Evidence B or CClass IIIIIb Benefit Class No orBenefit > Risk Class III Harm Procedure/ Additional studies with broad test treatment objectives needed; additional Cor III: Not No Proven be helpful noregistry data would Benefit benefit Helpful Class II I No Benefit or Class III Harm Procedure/ test Cor III: Not no benefit Helpful Cor III: harm treatment No Proven Benefit does not imply that the recommendation is weak. Many important clinical questions addressed in the guidelines do not lend themselves to clinical trials. Although randomized trials are unavailable, there may be a very clear clinical consensus that a particular test or therapy is useful or effective. Procedure/Treatment Cor III: Excess Cost Harmful harm be w/o Benefit to Patients may ConsIdered or Harmful n n Recommendationââ¬â¢s Recommendation that Excess Cost Harmful w/o Benefit to Patients or Harmful Data available from clinical trials or registries about the usefulness/efficacy in different subpopulations, such as sex, age, history of diabetes, history of prior myocardial infarction, history of heart failure, and prior aspirin use. â⬠For comparative effectiveness recommendations (Class I and IIa; Level of Evidence A and B only), studies that support the use of comparator verbs should involve direct comparisons of the treatments or strategies being evaluated. n procedure or treatment is usefulness/efficacy less not useful/effective and may well established be harmful conflicting n Greater n evidence from multiple Sufficient evidence fromRecommendation that procedure or treatment is not useful/effective and may be harmful Sufficient evidence from multiple randomized trials or meta-analyses Recommendation that procedure or treatment is not useful/effective and may be harmful Evidence from single randomized trial or nonrandomized studies Recommendation that procedure or treatment is not useful/effective and may be harmful Only expert opinion, case studies, or standard of care COR III: Harm potentially harmful causes harm associated with excess morbidity/mortality should not be performed/ be done administered/ other n multiple randomizedor randomized trials trials or meta-analyses meta-analyses n n Recommendationââ¬â¢s Recommendatio n that n sefulness/efficacy less procedure or treatment is well established not useful/effective and may be harmful conflicting n Greater n evidence from single Evidence from single randomized trial randomized trial oror nonrandomized studies nonrandomized studies n Recommendationââ¬â¢s Recommendation that usefulness/efficacy less procedure or treatment is well established not useful/effective and may n Only diverging expert be harmful opinion, case studies, or n Only expert opinion, case standard of care studies, or standard of care n n n n COR III: COR III: may/might be considered Nomay/might be reasonable Benefit Harm usefulness/effectiveness is is not potentially unknown/unclear/uncertain recommended harmful or indicated not well established harm is not causes associated with excess morbidity/mortality should not be done COR III: No Benefit is not recommended is not indicated should not be performed/ be done administered/ is not useful/ other beneficial/ is not useful/ effect ive bene? cial/ effective should not be done s not useful/ beneficial/ effective 5 2. Clinical Definition The generally accepted definition of hypertrophic cardiomyopathy (HCM), is a disease state characterized by unexplained left ventricular (LV) hypertrophy associated with nondilated ventricular chambers in the absence of another cardiac or systemic disease that itself would be capable of producing the magnitude of hypertrophy evident in a given patient. Clinically, HCM is usually recognized by maximal LV wall thickness ? 15 mm, with wall thickness of 13 to 14 mm considered borderline, particularly in the presence of other compelling information (e. g. , family history of HCM), based on echocardiography.In terms of LV wall-thickness measurements, the literature has been largely focused on echocardiography, although cardiovascular magnetic resonance (CMR) is now used with increasing frequency in HCM. In the case of children, increased LV wall thickness is defined as wall thickness ? 2 standard deviations above the mean (z score ? 2) for age, sex, or body size. However, it should be underscored that in principle, any degree of wall thickness is compatible with the presence of the HCM genetic substrate and that an emerging subgroup within the broad clinical spectrum is composed of family members with disease-causing sarcomere mutations but without evidence of the disease phenotype (i. e. , LV hypertrophy). 6 3. Genetic Testing Strategies/Family Screening Class I 1.Evaluation of familial inheritance and genetic counseling is recommended as part of the assessment of patients with HCM. (Level of Evidence: B) 2. Patients who undergo genetic testing should also undergo counseling by someone knowledgeable in the genetics of cardiovascular disease so that results and their clinical significance can be appropriately reviewed with the patient. (Level of Evidence: B) 3. Screening (clinical, with or without genetic testing) is recommended in first-degree relatives of pati ents with HCM. (Level of Evidence: B) 4. Genetic testing for HCM and other genetic causes of unexplained cardiac hypertrophy is recommended in patients with an typical clinical presentation of HCM or when another genetic condition is suspected to be the cause. (Level of Evidence: B) 7 Class IIa 1. Genetic testing is reasonable in the index patient to facilitate the identification of first-degree family members at risk for developing HCM. (Level of Evidence: B) Class IIb 1. The usefulness of genetic testing in the assessment of risk of sudden cardiac death (SCD) in HCM is uncertain. (Level of Evidence: B) Class III: 1. Genetic testing is not indicated in relatives when pathogenic mutation. (Level of Evidence: B) 2. Ongoing clinical screening is not indicated in genotype-negative relatives in families with HCM. Level of Evidence: B) No Benefit the index patient does not have a definitive 8 4. Genotype-Positive/Phenotype-Negative Patients Class I 1. In individuals with pathogenic mutat ions who do not express the HCM phenotype, it is recommended to perform serial electrocardiogram, transthoracic echocardiogram (TTE), and clinical assessment at periodic intervals (12 to 18 months in children and adolescents and about every 5 years in adults), based on the patientââ¬â¢s age and change in clinical status. (Level of Evidence: B) 9 5. Echocardiography Class I 1. A TTE is recommended in the initial evaluation of all patients with suspected HCM. (Level of Evidence: B) 2.A TTE is recommended as a component of the screening algorithm for family members of patients with HCM unless the family member is genotype negative in a family with known definitive mutations. (Level of Evidence: B) 3. Periodic (12 to 18 months) TTE screening is recommended for children of patients with HCM, starting by age 12 or earlier if a growth spurt or signs of puberty are evident and/or when there are plans for engaging in intense competitive sports or there is a family history of SCD. (Level o f Evidence: C) 4. Repeat TTE is recommended for the evaluation of patients with HCM with a change in clinical status or new cardiovascular event. (Level of Evidence: B) 5. A transesophageal echocardiogram (TEE) is recommended for the intraoperative guidance of surgical myectomy. (Level of Evidence: B) 10 6.TTE or TEE with intracoronary contrast injection of the candidateââ¬â¢s septal perforator(s) is recommended for the intraprocedural guidance of alcohol septal ablation. (Level of Evidence: B) 7. TTE should be used to evaluate the effects of surgical myectomy or alcohol septal ablation for obstructive HCM. (Level of Evidence: C) Class IIa 1. TTE studies performed every 1 to 2 years can be useful in the serial evaluation of symptomatically stable patients with HCM to assess the degree of myocardial hypertrophy, dynamic obstruction, and myocardial function. (Level of Evidence: C) 2. Exercise TTE can be useful in the detection and quantification of dynamic left ventricular outflow tract (LVOT) obstruction in the absence of resting outflow tract obstruction in patients with HCM. (Level of Evidence: B) 11 3.TEE can be useful if TTE is inconclusive for clinical decision making about medical therapy and in situations such as planning for myectomy, exclusion of subaortic membrane or mitral regurgitation secondary to structural abnormalities of the mitral valve apparatus, or in assessment for the feasibility of alcohol septal ablation. (Level of Evidence: C) 4. TTE combined with the injection of an intravenous contrast agent is reasonable if the diagnosis of apical HCM or apical infarction or severity of hypertrophy is in doubt, particularly when other imaging modalities such as CMR are not readily available, not diagnostic, or contraindicated. (Level of Evidence: C) 5.Serial TTE studies are reasonable for clinically unaffected patients who have a first-degree relative with HCM when genetic status is unknown. Such follow-up may be considered every 12 to 18 months f or children or adolescents from high-risk families and every 5 years for adult family members. (Level of Evidence: C) 12 Class III: 1. TTE studies should not be performed more HCM when it is unlikely that any changes have occurred that would have an impact on clinical decision making. (Level of Evidence: C) 2. Routine TEE and/or contrast echocardiography is not recommended when TTE images are diagnostic of HCM and/or there is no suspicion of fixed obstruction or intrinsic mitral valve pathology. (Level of Evidence: C)No Benefit frequently than every 12 months in patients with 13 6. Stress Testing Class IIa 1. Treadmill exercise testing is reasonable to determine functional capacity and response to therapy in patients with HCM. (Level of Evidence: C) 2. Treadmill testing with monitoring of an electrocardiogram and blood pressure is reasonable for SCD risk stratification in patients with HCM. (Level of Evidence: B) 3. In patients with HCM who do not have a resting peak instantaneous g radient of greater than or equal to 50 mm Hg, exercise echocardiography is reasonable for the detection and quantification of exercise-induced dynamic LVOT obstruction. (Level of Evidence: B) 14 7. Cardiac Magnetic Resonance Class I 1.CMR imaging is indicated in patients with suspected HCM when echocardiography is inconclusive for diagnosis. (Level of Evidence: B) 2. CMR imaging is indicated in patients with known HCM when additional information that may have an impact on management or decision making regarding invasive management, such as magnitude and distribution of hypertrophy or anatomy of the mitral valve apparatus or papillary muscles, is not adequately defined with echocardiography. (Level of Evidence: B) Class IIa 1. CMR imaging is reasonable in patients with HCM to define apical hypertrophy and/or aneurysm if echocardiography is inconclusive. (Level of Evidence: B) 15 Class IIb 1.In selected patients with known HCM, when SCD risk stratification is inconclusive after docume ntation of the conventional risk factors, CMR imaging with assessment of late gadolinium enhancement may be considered in resolving clinical decision making. (Level of Evidence: C) 2. CMR imaging may be considered in patients with LV hypertrophy and the suspicion of alternative diagnoses to HCM, including cardiac amyloidosis, Fabry disease, and genetic phenocopies such as LAMP2 cardiomyopathy. (Level of Evidence: C) 16 8. Detection of Concomitant Coronary Disease Class I 1. Coronary arteriography (invasive or computed tomographic imaging) is indicated in patients with HCM with chest discomfort who have an intermediate to high likelihood of coronary artery disease (CAD) when the identification of concomitant CAD will change management strategies. (Level of Evidence: C) Class IIa 1.Assessment of coronary anatomy with computed tomographic angiography is reasonable for patients with HCM with chest discomfort and a low likelihood of CAD to assess for possible concomitant CAD. (Level of E vidence: C) 2. Assessment of ischemia or perfusion abnormalities suggestive of CAD with single-photon emission computed tomography or positron emission tomography myocardial perfusion imaging (because of excellent negative predictive value) is reasonable in patients with HCM with chest discomfort and a low likelihood of CAD to rule out possible concomitant CAD. (Level of Evidence: C) 17 Class III: 1. Routine single-photon emission computed echocardiography is not indicated for detection of ââ¬Å"silentâ⬠CAD-related ischemia in patients with HCM who are asymptomatic. (Level of Evidence: C) 2.Assessment for the presence of blunted flow reserve (microvascular ischemia) using quantitative myocardial blood flow measurements by positron emission tomography is not indicated for the assessment of prognosis in patients with HCM. (Level of Evidence: C) No Benefit tomography myocardial perfussion imaging or stress 18 9. Asymptomatic Patients Class I 1. For patients with HCM, it is recom mended that comorbidities that may contribute to cardiovascular disease (e. g. , hypertension, diabetes, hyperlipidemia, obesity) be treated in compliance with relevant existing guidelines. (Level of Evidence: C) Class IIa 1. Low-intensity aerobic exercise is reasonable as part of a healthy lifestyle for patients with HCM. (Level of Evidence: C) Class IIb 1.The usefulness of beta blockade and calcium channel blockers to alter clinical outcome is not well established for the management of asymptomatic patients with HCM with or without obstruction. (Level of Evidence: C) Class III: Harm 1. Septal reduction therapy should not be performed for asymptomatic adult and pediatric patients with HCM with normal effort tolerance regardless of the severity of obstruction. (Level of Evidence: C) 2. In patients with HCM with resting or provocable outflow tract obstruction, regardless of symptom status, pure vasodilators and high-dose diuretics are potentially harmful. (Level of Evidence: C) 19 Fi gure 1. Treatment Algorithm HCM PatientsACE indicates angiotensin-converting enzyme; ARB, angiotensin receptor blocker; DM, diabetes mellitus; EF, ejection fraction; GL, guidelines; HCM, hypertrophic cardiomyopathy; HTN, hypertension; and LV, left ventricular. Treat comorbidities according to GL [HTN, Lipids, DM] Obstructive Physiology No Heart Failure Symptoms or Angina No Yes Yes Avoid vasodilator therapy and highdose diuretics Systolic Function Annual clinical evaluation No Heart Failure Symptoms or Angina LV EF 50 mm Hg) for whom standard medical therapy has failed. (Level of Evidence: C) 4.When surgery is contraindicated or the risk is considered unacceptable because of serious comorbidities or advanced age, alcohol septal ablation, when performed in experienced centers, can be beneficial in eligible adult patients with HCM with LVOT obstruction and severe drug-refractory symptoms (usually New York Heart Association functional classes III or IV). (Level of Evidence: B) 26 Class IIb 1. Alcohol septal ablation, when performed in experienced centers, may be considered as an alternative to surgical myectomy for eligible adult patients with HCM with severe drug-refractory symptoms and LVOT obstruction when, after a balanced and thorough discussion, the patient expresses a preference for septal ablation. (Level of Evidence: B) 2. The effectiveness of alcohol septal ablation is uncertain in patients with HCM with marked (i. e. , >30 mm) septal hypertrophy, and therefore the procedure is generally discouraged in such patients. (Level of Evidence: C) Class III: Harm 1.Septal reduction therapy should not be done for adult patients with HCM who are asymptomatic with normal exercise tolerance or whose symptoms are controlled or minimized on optimal medical therapy. (Level of Evidence: C) 2. Septal reduction therapy should not be done unless performed as part of a program dedicated to the longitudinal and multidisciplinary care of patients with HCM. (Level of Evidence : C) 27 3. Mitral valve replacement for relief of LVOT obstruction should not be performed in patients with HCM in whom septal reduction therapy is an option. (Level of Evidence: C) 4. Alcohol septal ablation should not be done in patients with HCM with concomitant disease that independently warrants surgical correction (e. g. coronary artery bypass grafting for CAD, mitral valve repair for ruptured chordae) in whom surgical myectomy can be performed as part of the operation. (Level of Evidence: C) 5. Alcohol septal ablation should not be done in patients with HCM who are less than 21 years of age and is discouraged in adults less than 40 years of age if myectomy is a viable option. (Level of Evidence: C) 28 12. Pacing Class IIa 1. In patients with HCM who have had a dualchamber device implanted for non-HCM indications, it is reasonable to consider a trial of dual-chamber atrial-ventricular pacing (from the right ventricular apex) for the relief of symptoms attributable to LVOT obst ruction. (Level of Evidence: B) Class IIb 1.Permanent pacing may be considered in medically refractory symptomatic patients with obstructive HCM who are suboptimal candidates for septal reduction therapy. (Level of Evidence: B) Class III: 1. Permanent pacemaker implantation for the performed in patients with HCM who are asymptomatic or whose symptoms are medically controlled. (Level of Evidence: C) 2. Permanent pacemaker implantation should not be performed as a first-line therapy to relieve symptoms in medically refractory symptomatic patients with HCM and LVOT obstruction in patients who are candidates for septal reduction. (Level of Evidence: B) No Benefit purpose of reducing gradient should not be 29 13. Sudden Cardiac Death Risk Stratification Class I 1.All patients with HCM should undergo comprehensive SCD risk stratification at initial evaluation to determine the presence of: (Level of Evidence: B) a. A personal history for ventricular fibrillation, sustained ventricular tach ycardia, or SCD events, including appropriate ICD therapy for ventricular tachyarrhythmias. * b. A family history for SCD events, including appropriate ICD therapy for ventricular tachyarrhythmias. * c. Unexplained syncope. d. Documented nonsustained ventricular tachycardia (NSVT) defined as 3 or more beats at greater than or equal to120 bpm on ambulatory (Holter) electrocardiogram. e. Maximal LV wall thickness greater than or equal to 30 mm. Appropriate ICD discharge is defined as ICD therapy triggered by VT or ventricular fibrillation, documented by stored intracardiac electrogram or cycle-length data, in conjunction with the patientââ¬â¢s symptoms immediately before and after device discharge. 30 Class IIa 1. It is reasonable to assess blood pressure response during exercise as part of SCD risk stratification in patients with HCM. (Level of Evidence: B) 2. SCD risk stratification is reasonable on a periodic basis (every 12 to 24 months) for patients with HCM who have not under gone ICD implantation but would otherwise be eligible in the event that risk factors are identified (12 to 24 months). (Level of Evidence: C)Class IIb 1. The usefulness of the following potential SCD risk modifiers is unclear but might be considered in selected patients with HCM for whom risk remains borderline after documentation of conventional risk factors: a. CMR imaging with late gadolinium enhacement. (Level of Evidence: C) b. Double and compound mutations (i. e. , >1). (Level of Evidence: C) c. Marked LVOT obstruction. (Level of Evidence: B) Class III: Harm 1. Invasive electrophysiologic testing as routine SCD risk stratification in patients with HCM should not be performed. (Level of Evidence: C) 31 14. Selection of Patients for Implantable Cardioverter-Defibrillators Class I 1.The decision to place an ICD in patients with HCM should include application of individual clinical judgment, as well as a thorough discussion of the strength of evidence, benefits, and risks to allow the informed patientââ¬â¢s active participation in decision making. (Level of Evidence: C) 2. ICD placement is recommended for patients with HCM with prior documented cardiac arrest, ventricular fibrillation, or hemodynamically significant ventricular tachycardia. (Level of Evidence: B) Class IIa 1. It is reasonable to recommend an ICD for patients with HCM with: a. Sudden death presumably caused by HCM in 1 or more first-degree relatives. (Level of Evidence: C) b. A maximum LV wall thickness greater than or equal to 30 mm. (Level of Evidence: C) c. One or more recent, unexplained syncopal episodes. (Level of Evidence: C) 2.An ICD can be useful in select patients with NSVT (particularly those 30 mm or Recent unexplained syncope No Yes ICD reasonable Nonsustained VT or Abnormal BP response Yes Other SCD Risk Modifiers* Present? Yes No ICD can be useful Legend Class I Class IIa No ICD not recommended Class IIb Class III Role of ICD uncertainRegardless of the level of recommendatio n put forth in these guidelines, the decision for placement of an ICD must involve prudent application of individual clinical judgment, thorough discussions of the strength of evidence, the benefits, and the risks (including but not limited to inappropriate discharges, lead and procedural complications) to allow active participation of the fully informed patient in ultimate decision making. BP indicates blood pressure; ICD, implantable cardioverter-defibrillator; LV, left ventricular; SCD, sudden cardiac death; SD, sudden death; and VT, ventricular tachycardia. 35 15. Participation in Competitive or Recreational Sports and Physical ActivityClass IIa 1. It is reasonable for patients with HCM to participate in low-intensity competitive sports (e. g. , golf and bowling). (Level of Evidence: C) 2. It is reasonable for patients with HCM to participate in a range of recreational sporting activities as outlined in Table 2. (Level of Evidence: C) Class III: Harm 1. Patients with HCM should not participate in intense competitive sports regardless of age, sex, race, presence or absence of LVOT obstruction, prior septal reduction therapy, or implantation of a cardioverterdefibrillator for high-risk status. (Level of Evidence: C) 36 Table 2. Recommendations for the Acceptability of Recreational Noncompetitive) Sports Activities and Exercise in Patients With HCM* Intensity Level High Basketball (full court) Basketball (half court) Body buildingâ⬠¡ Gymnastics Ice hockeyâ⬠¡ Racquetball/squash Rock climbingâ⬠¡ Running (sprinting) Skiing Soccer Tennis (singles) Touch (flag) football Windsurfingà § Moderate Baseball/softball Biking Modest hiking Motorcyclingâ⬠¡ Jogging Sailingà § Surfingà § Swimming (laps)à § Tennis (doubles) Treadmill/stationary bicycle Weightlifting (free weights)â⬠¡|| Hiking 2 4 4 3 3 3 2 5 4 5 1 3 (downhill)â⬠¡ Skiing (cross-country) 0 0 1 2 0 0 1 0 2 2 0 0 1 1 Eligibility Scale for HCMâ⬠Intensity Level Low Bowling Golf Hor seback ridingâ⬠¡ Scuba divingà § Skatingà ¶ Snorkelingà § Weights (nonfree weights) Brisk walking 5 5 3 0 5 5 4 5 Eligibility Scale for HCMâ⬠*Recreational sports are categorized according to high, moderate, and low levels of exercise and graded on a relative scale (from 0 to 5) for eligibility, with 0 to 1 indicating generally not advised or strongly discouraged; 4 to 5, probably permitted; and 2 to 3, intermediate and to be assessed clinically on an individual basis. The designations of high, moderate, and low levels of exercise are equivalent to an estimated >6, 4 to 6, and
Sunday, January 5, 2020
Approximately One Out Of Every Seven People Entering The
Approximately one out of every seven people entering the hospital needs blood. Whether it is due to a pre-existing condition, an emergency accident, or an upcoming surgery, blood is a key component to the success of many procedures. Without donations, it would be impossible to complete many life-saving tasks, since there is no substitute for blood. Donating blood is an easy yet significant act, so anyone who is able should donate blood, since blood donations make a world of difference in many peopleââ¬â¢s lives. Blood donation is the voluntary process of having oneââ¬â¢s own blood drawn and then transferred to another in need of the blood (Mayo). There are many instances that call for the need of blood. Whether it is severe trauma, childbirthâ⬠¦show more contentâ⬠¦Consequently, hospitals cannot keep the shelves stocked since there is a lack in donating from eligible donors. Although about 40% of Americans are eligible to donate, ââ¬Å"less than 10% actually donateâ⬠(Donate Blood). There is an increasing shortage of blood supply due to lack of donations, as well as the fact that ââ¬Å"40,000 pints of blood are used each day in the United Statesâ⬠(Donate Blood). A significant factor in the lack of donations is the negative perception on the part of donors. Due to the constant need for blood, testing and screening have advanced so as to reduce risks to a donor. Many precautions are taken to ensure safety and to prevent any issues from arising, thus donating is safe for everyone. There are height and weight requirements for donors. Similarly, before the donation begins, an in-depth medical history interview takes place. It is necessary for the safety of the donor and recipient for the blood to be tested prior to donating. Also, iron levels are tested to ensure the donor will recover quickly and efficiently. Materials used while gathering blood are sterile and only used once (General Donation Facts). Preventing disease transmission has been made possible through ââ¬Å"great improvements of donor security screening and the use of a variety of testsâ⬠(Center for Biologicsâ⬠¦). Another aspect of safety is the ââ¬Å"handling and distribution of bloodâ⬠(Center for Biologicsâ⬠¦), which must follow rules and guidelines to e nsure noShow MoreRelatedOn January 2017 The New President Of The United States1287 Words à |à 6 Pagesborn in one of the following seven Middle Eastern countries: Iran, Iraq, Libya, Somalia, Sudan, Syria, and Yemen, specifically Muslims and Syrians. According to what President Trump was saying, this order is made for the safety of the country, and to limit what is called the ââ¬Å"Foreign Terrorismâ⬠inside the United States. People who agree with this law believe that banning believers of a specific faith and refugees entering the United State will make them safer. 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