医学专业英语课件_1.ppt

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1、Building A Better HeartSecond Chance:artificial heartQing YeDepartment of Cardiothoracic Surgery Ren Ji Hospital 2021/9/101Milestones in artificial heart 1953,a heart-lung machine designed by Dr.John Gibbon is used in a successful open-heart surgery,demonstrating that an artificial device can tempor

2、arily mimic the functions of the heart 1955,a team of scientists led by Willem Kolff,tested their model in animals2021/9/102 1964,the National Heart,Lung and Blood Institute sets a goal of designing a total artificial heart by 19701966,Dr.Michael DeBakey of Houston successfully implants a partial ar

3、tificial heart2021/9/103 1967,Dr.Christiaan Barnard performs the first successful human heart transplant.The patients,53-year-old dentist Louis Washkansky,dies 18 days after surgery in South African2021/9/104 In 1969,a team led by Denton Cooley of the Texas Heart Institute successfully kept a human

4、patient alive for more than sixty hours with their model(temporary).The patient gets a heart transplant three days later but then dies 1 days afterward2021/9/105 In 1982,a team led by William DeVries of the University of Utah implanted the Jarvik-7 into a patient named Barney Clark,who survived with

5、 Jarvik-7 for 112 days 1982-1985,Dr.William DeVries carries out a series of five implants of the Jarvik total artificial heart William Schroeder,lived 620 days,dying in August 1986 at age 542021/9/106 1994,the Food and Drug Administration approves the Left Ventricular Assist Device,which helps faili

6、ng hearts continue to function 2000,A man in Isreal becomes the first recipient of the Jarvik 2000,the first total artificial heart that can maintain blood flow in addition to generating a pulse 2001,doctors at Jewish Hospital in Louisville,Ky.,implant the first self-contained,mechanical heart repla

7、cement into a patient Two recipient:Robert Tools&Tom Christerson2021/9/107Robert Jarvik He was born in Michigan on May 11,1946 In 1964,his father became ill with heart disease and had to have open heart surgery2021/9/108Robert Jarvik Jarvik became very interested in medicine at that point and began

8、to think about possible designs for artificial hearts that could help people like his father He invented Jarvik-7 and Jarvik-20002021/9/109Jarvik-7Jarvik 20002021/9/1010Prof.Willem J Kolff He was born in Leiden,Netherlands Graduated from the University of Leiden In 1955,he implanted an artificial he

9、art into a dog Tutor of Dr.Robert Jarvik 1981,he applied to FDA2021/9/1011Dr.William deVries An American cardiothoracic surgeon Receiving his MD degree from the University of Utah in 1970 As a resident in cardiovascular/thoracic surgery at Duke University Medical Center Assistant professor of surger

10、y at the University of Utah until 19842021/9/1012Dr.William deVries Since 1984,he has been director of the artificial heart project of the Humana Hospital Audubon in Louisville,Kentucky Performed the first successful permanent artificial heart implant for Barney Clark by using an artificial device d

11、esigned by Dr.Robert Jarvik2021/9/1013Dr.Barney Clark An 61year old retired dentist from Seattle First recipient of the man-made artificial heart on Dec 1,1982 at the Utah Medical Center2021/9/1014Dr.Barney Clark Six years before the transplant,he had contracted a mysterious viral infection,which ma

12、de his cardiac muscle flabby,weak and swollen from a lack of blood flow Because of hypertension and his age,he was not an acceptable candidate at any heart transplantation center2021/9/1015Dr.Barney Clark He was introduced by his private doctor to Dr.Willim DeVries The meeting included visits to lab

13、oratories where the Jarvik-7 was manufactured and the animal barn where they observed calves/sheep with similar heart implants He was given an 11-page consent form There was no guarantee that the operation would increase Clarks life span,no guarantee he would regain his independence 2021/9/1016Dr.Ba

14、rney Clark The consent form stated“I recognize that if the artificial heart device fails,death or serious injury is the near certain result.I nevertheless accept the risk of substantial and serious harm,including death,implementation of the artificial heart device can be demonstrated2021/9/1017Dr.Ba

15、rney Clark He signed a consent form on Nov 30,1982 at 9:52 p.m after being interviewed by six members of a special heart subcommittee at University of Utah Medical Center The surgery was scheduled at the morning of Dec 2,1982 However,he was immediately rushed into the operating room because of his d

16、eteriorating heart on Dec 1,1982 at 10:30 p.m.2021/9/1018Dr.Barney ClarkHe survived with Jarvik-7 for 112 days A serious of complication led to Clarks death from circulatory and multi-organ collapse on March 23 at 10:02 p.m.2021/9/1019Two recipients of AbiCor artificial heart Robert Tools,first reci

17、pient of AbiCor artificial heart was died five months after implantation,20012021/9/1020Two recipients of AbiCor artificial heartTom Christerson,second recipient of AbiCor artificial heart are still alive for more than one year2021/9/1021Artificial hearts abandoned By the end of the 80s,the Jarvik d

18、evices had been implanted to sustain patients waiting for transplants Since then,development of an improved artificial heart has continued Scientists continue to work on designs for an artificial heart that could provide a realistic,permanent option for survival Jarvik is now working on the Jarvik 2000,a thumb-sized heart pump2021/9/1022Artificial hearts abandoned Universal infection Thromboembolism Total artificial heart may be better used as a bridge to transplantation2021/9/10232021/9/1024LVAD2021/9/1025Artificial heart2021/9/1026