| 单词 | perfusion |
| 例句 | At first they’d insulted my father by turning us down, even after our Bethlehem congregation had done special tithes for a whole year to fly us here for the perfusion of Jesus’ name. The Poisonwood Bible 1998-01-01T00:00:00Z The machines pump oxygen and nutrients through the lungs and keep them warm—a process called ex vivo lung perfusion. No One Should Die Waiting for an Organ Transplant. These Doctors Want to Ensure That Doesn’t Happen 2023-10-19T04:00:00Z Dilated blood vessels increase perfusion and heat loss while constricted vessels greatly reduce cutaneous blood flow and conserve heat. Fundamentals of Biology 2015-01-01T00:00:00Z You could “see how the heart was performing” in the body after restarting perfusion, he says. When does life end? New organ donation strategy fuels debate 2023-05-11T04:00:00Z Warm-blood perfusion systems, which keep a donated heart warm and mechanically beating on the way to its recipient, provide another example. Antiabortion Heartbeat Bills Are neither Morally nor Legally Sound 2023-01-23T05:00:00Z Matching ventilation and perfusion rates is critical for basic lung function, and damage anywhere along the airway can lead to difficulty breathing in a number of ways. COVID's lasting lung damage 2022-11-11T05:00:00Z And other research is changing the definition of death itself: researchers at Yale University have developed a perfusion system for keeping pig brain cells and bodies “alive” for hours after the animals have died. No One Should Die Waiting for an Organ Transplant. These Doctors Want to Ensure That Doesn’t Happen 2023-10-19T04:00:00Z This “perfusion” of blood put a strain on my living baby’s heart that put her at risk for heart failure and death or intense heart surgeries in utero or after birth. Opinion | Seven personal stories about abortion Dead space is created when no ventilation and/or perfusion takes place. Biology for AP Courses 2022-06-09T00:00:00Z We connect the animal’s vasculature to our system, and we control the perfusion of organs with our machine. How Scientists Revived Dead Pigs’ Organs, and What the Feat Means for Transplants 2022-08-10T04:00:00Z This process, as simple as it sounds, requires an extraordinary coordination of air flow, or ventilation, and blood flow, or perfusion. COVID's lasting lung damage 2022-11-11T05:00:00Z Why can the circle of Willis maintain perfusion of the brain even if there is a blockage in one part of the structure? Anatomy and Physiology 2013-06-19T00:00:00Z I was told that I would eventually have in-utero surgery to ablate the veins connecting the twins, which would stop the perfusion. Opinion | Seven personal stories about abortion This will decrease ventilation but not affect perfusion; therefore, the V/Q ratio changes and gas exchange is affected. Biology for AP Courses 2022-06-09T00:00:00Z The normothermic perfusion method gives the organ a continuous blood supply, which experts say is better than the traditional way of putting it on ice. Transplant success: Liver survives out of body for days 2022-05-31T04:00:00Z It also used a new machine perfusion device to keep the pig’s heart preserved until surgery. In a First, Man Receives a Heart From a Genetically Altered Pig 2022-01-10T05:00:00Z There are multiple routes for blood to get into the CNS, with specializations to protect that blood supply and to maximize the ability of the brain to get an uninterrupted perfusion. Anatomy and Physiology 2013-06-19T00:00:00Z But then we had the extremely rare luck that the perfusion of blood between the fetuses spontaneously stopped. Opinion | Seven personal stories about abortion If ventilation is greater than perfusion, the arterioles dilate and the bronchioles constrict. Biology for AP Courses 2022-06-09T00:00:00Z The man who received the liver - which was plumbed into the perfusion machine for 68 hours - needed a new one because he had cancer. Transplant success: Liver survives out of body for days 2022-05-31T04:00:00Z The association of B.M.I. with brain blood perfusion was evident even in younger members of the group. Obesity May Be Bad for Your Brain 2020-08-18T04:00:00Z The circle of Willis is a specialized arrangement of arteries that ensure constant perfusion of the cerebrum even in the event of a blockage of one of the arteries in the circle. Anatomy and Physiology 2013-06-19T00:00:00Z The method revived lungs that ex vivo lung perfusion, the normal method of maintaining and repairing lungs outside the body, had failed to fix. Daily briefing: How Vietnam managed zero deaths from coronavirus 2020-07-13T04:00:00Z Likewise, if ventilation is less than perfusion, the arterioles constrict and the bronchioles dilate to correct the imbalance. Biology for AP Courses 2022-06-09T00:00:00Z Researchers suggested a “blood oxygen perfusion sensor” may be in store for the patch. New 'coronavirus sensor' can detect early signs of virus, researchers say 2020-05-05T04:00:00Z Mr Casey, a clinical perfusion scientist who also worked at Papworth at the time, said his daughter will pull her first pint in an English pub. Woman born in a pub returns to taste first pint 2020-02-14T05:00:00Z If perfusion is severely reduced, vital organs will shut down and the person will die. Anatomy and Physiology 2013-06-19T00:00:00Z To restart the heart outside of the body, doctors used warm perfusion, a trailblazing technique that “circulates blood, oxygen and electrolytes through the disembodied heart,” according to the Post. Heart from dead donor revived, transplanted into veteran in US first 2019-12-03T05:00:00Z Alterations in the ventilation of the airways or perfusion of the arteries can affect gas exchange. Biology for AP Courses 2022-06-09T00:00:00Z The piece I’m most proud of is a perfusion apparatus that is used to keep human organs functioning outside the body. Glass act 2019-11-05T05:00:00Z But part of the reason for the lack of electrical activity may relate to the fact that the perfusion solution contained neural activity blockers. Brain Restoration System Explores Hazy Territory between Being Dead or Alive 2019-04-19T04:00:00Z Ventilation is the movement of air into and out of the lungs, and perfusion is the flow of blood in the pulmonary capillaries. Anatomy and Physiology 2013-06-19T00:00:00Z It’s easy to imagine misapplications of brain perfusion following the publication of the BrainEx study alone. Part-revived pig brains raise slew of ethical quandaries 2019-04-16T04:00:00Z These changes in ventilation and perfusion, called V/Q mismatch, can arise from anatomical or physiological changes. Biology for AP Courses 2022-06-09T00:00:00Z They first observed that an increase in the liver’s growth rate over different developmental stages correlated with enhanced blood perfusion through the organ. Blood flow forces liver growth 2018-09-25T04:00:00Z Another problem is Greene’s finding that elevated blood perfusion in parts of the prefrontal cortex might indicate that a person is deciding whether to lie and not necessarily that the person is lying. The Art of Lying 2018-07-11T04:00:00Z However, factors such as regional gravity effects on blood, blocked alveolar ducts, or disease can cause ventilation and perfusion to be imbalanced. Anatomy and Physiology 2013-06-19T00:00:00Z The "perfusion machine" at Addenbrooke's Hospital in Cambridge keeps a donor liver "alive" outside the body by pumping it with blood, nutrients and medicine. Hospital to use new liver technology 2018-05-01T04:00:00Z It is a genetic disease in which red blood cells are sickle-shaped, reducing oxygen perfusion into the blood. Biology for AP Courses 2022-06-09T00:00:00Z The authors then modified perfusion rates in cultured embryos by using drugs to halt or increase the fetal heartbeat. Blood flow forces liver growth 2018-09-25T04:00:00Z It compared liver transplants where the organs were first preserved in an ice box with those kept "alive" outside the body using a so-called normothermic perfusion machine. Warming livers 'boosts transplant success' 2018-04-18T04:00:00Z Three homeostatic mechanisms ensure adequate blood flow, blood pressure, distribution, and ultimately perfusion: neural, endocrine, and autoregulatory mechanisms. Anatomy and Physiology 2013-06-19T00:00:00Z Prof Chris Watson, a transplant consultant at Addenbrooke's, said perfusion can "mimic the transplant", supplying the organ with oxygenated blood and nutrients, and tests can check how it will function. Hospital to use new liver technology 2018-05-01T04:00:00Z It is a genetic disease in which red blood cells are sickle-shaped, increasing oxygen perfusion into the blood. Biology for AP Courses 2022-06-09T00:00:00Z They increased perfusion in the livers by injecting a buffer solution or by removing 70% of the liver, which redirects a large volume of fluid to the organ’s remaining lobes at high pressure. Blood flow forces liver growth 2018-09-25T04:00:00Z Liver perfusion is currently performed on the NHS in a small number of specialist centres in the UK. Warming livers 'boosts transplant success' 2018-04-18T04:00:00Z For gas exchange to be efficient, the volumes involved in ventilation and perfusion should be compatible. Anatomy and Physiology 2013-06-19T00:00:00Z The perfusion chambers maintain the cells in a healthy state but also allow researchers to observe living cells in high resolution. Researchers Create Placenta-On-A-Chip To Study Biology Of Human Placenta 2015-06-26T04:00:00Z It is a deficiency disease in which red blood cells are sickle-shaped, reducing oxygen perfusion into the blood. Biology for AP Courses 2022-06-09T00:00:00Z They measured the perfusion rate using an imaging technique called contrast-enhanced ultrasonography. Blood flow forces liver growth 2018-09-25T04:00:00Z For this study, scientists put them in a perfusion machine, pumping the organs with blood, nutrients and medicines. Warming livers 'boosts transplant success' 2018-04-18T04:00:00Z Ventilation is regulated by the diameter of the airways, whereas perfusion is regulated by the diameter of the blood vessels. Anatomy and Physiology 2013-06-19T00:00:00Z The most common test used was a myocardial perfusion scintigraphy -- a scan that shows blood flow in the heart. ER Patients With Chest Pain May Not Always Need Heart Tests: Study 2015-01-26T05:00:00Z It is a deficiency disease in which red blood cells are sickle-shaped, increasing oxygen perfusion into the blood. Biology for AP Courses 2022-06-09T00:00:00Z The nuclear medicine myocardial perfusion scan plays a pivotal role in the noninvasive evaluation of coronary artery disease. Inappropriate Heart Stress Tests May Waste Half A Billion Dollars A Year 2014-10-14T04:00:00Z So the researchers also used machine perfusion: as the livers were cooled they were flushed with solutions that kept them operational. Supercooled Organs Could Stretch Time To Transplant 2014-07-09T04:00:00Z Figure 20.17 Summary of Factors Maintaining Vascular Homeostasis Adequate blood flow, blood pressure, distribution, and perfusion involve autoregulatory, neural, and endocrine mechanisms. Anatomy and Physiology 2013-06-19T00:00:00Z A supercooled rat liver sits in the preservation solution in the machine perfusion system. Transplant Breakthrough: Donor Organs Stored For Days 2014-06-30T04:00:00Z An anatomical shunt develops because the ventilation of the airways does not match the perfusion of the arteries surrounding those airways. Biology for AP Courses 2022-06-09T00:00:00Z It is now widely used instead of ventilation/perfusion and often employed to find the causes of various other lung disorders. CT Scan May Be Too Good at Finding Lung Problems, Study Finds 2013-07-03T19:25:33Z "This device is the very first completely automated liver perfusion device of its kind," Coussios said. Device keeps liver "alive" outside body in medical first 2013-03-15T17:29:56Z Rather, these are local, self-regulatory mechanisms that allow each region of tissue to adjust its blood flow—and thus its perfusion. Anatomy and Physiology 2013-06-19T00:00:00Z Both before cooling and during pre-transplant warming, the liver was supplied with oxygen and nutrients through a process called machine perfusion. Transplant Breakthrough: Donor Organs Stored For Days 2014-06-30T04:00:00Z The lung can compensate for these mismatches in ventilation and perfusion. Biology for AP Courses 2022-06-09T00:00:00Z They expected to see normal blood vessels in the healthy palm, increased perfusion caused by dilated and altered vessels in the eczema and the inflammation, and a chaotic jumble of vessels feeding the cancers. Medical technology: Skin deep 2012-10-04T15:05:52Z This increases diastolic pressure, which increases coronary perfusion and oxygen delivery to the myocardium, and facilitates ejection of blood from the left ventricle. No Benefit for Routine Counterpulsation Found in CRISP AMI 2011-08-30T11:53:18Z In contrast, excessive perfusion could damage the organ’s smaller and more fragile vessels. Anatomy and Physiology 2013-06-19T00:00:00Z "When you are younger, like a lot of our soldiers are, you expect a lot of perfusion - a lot of activity because their brains are fresh," he said. Army tries new brain scans to hunt blast effects 2011-05-23T15:51:55Z In a study published Wednesday, researchers said the number of donor lungs and successful transplants may be dramatically increased by treating the organs on a perfusion machine for several hours before transplant. Study: MRSA infections dropping at VA hospitals 2011-04-14T03:50:35Z Along with CT, or computed tomography, researchers also looked at screening with echocardiography, ultrasound, and so-called myocardial perfusion imaging. Heart disease screens don't change treatment 2011-03-18T21:29:53Z Problems with the procedure, called a CT brain perfusion scan, first began to surface in the summer of 2009 at Cedars-Sinai, and then later at several other hospitals. Some at a W. Virginia Hospital Were Overradiated 2011-03-05T20:57:20Z Ventilation is the process that moves air into and out of the alveoli, and perfusion affects the flow of blood in the capillaries. Anatomy and Physiology 2013-06-19T00:00:00Z In the scans, colors correspond to the level of blood flow, with white and red showing areas of high perfusion and darker areas showing low perfusion. Army tries new brain scans to hunt blast effects 2011-05-23T15:51:55Z About 85 percent of lungs made available for donation are not used because of tissue damage that potentially could be repaired with perfusion or other techniques. Study: MRSA infections dropping at VA hospitals 2011-04-14T03:50:35Z The acts of swallowing, moving the vocal chords and breathing entail extremely complex and coordinated movements, requiring good blood perfusion and well-functioning nerves. Extraordinary Larynx Transplant Restores Voice, Sense of Taste, Smell to California Woman 2011-01-24T15:40:00Z Another study published in the same edition of Circulation addressed the potential cancer risks associated with another heart diagnostic tool: the myocardial perfusion scan, an advanced type of stress test. New heart scans pose small cancer risk: study 2010-12-01T22:31:00Z Neural, endocrine, and autoregulatory mechanisms affect blood flow, blood pressure, and eventually perfusion of blood to body tissues. Anatomy and Physiology 2013-06-19T00:00:00Z Obtaining such a reading is important in many areas of treatment, like perfusion, or injecting a therapeutic substance into a patient’s blood supply. Q & A: Blood by the Numbers 2010-11-16T05:20:00Z The stroke tests, called a CT brain perfusion scan, deliver the equivalent of about 200 X-rays of the skull, even when done properly. California Tightens Oversight of CT Scans 2010-10-02T01:40:00Z Patients were being overradiated during CT brain perfusion scans, hospital officials concluded, and it was Ms. Early’s job to tell county health officials. The Radiation Boom: After Stroke Scans, Patients Face Serious Health Risks 2010-07-31T19:35:00Z An advanced type of heart stress test called myocardial perfusion imaging, in which doctors inject a radioactive tracer in patients to test blood flow, accounted for 74 percent of radiation exposure from heart scans. Heart tests add to U.S. radiation dose concerns 2010-07-07T21:28:00Z So Mr. Heuser was rushed into a room with several CT scanners, where he underwent one brain perfusion study and at least one more later. The Radiation Boom: After Stroke Scans, Patients Face Serious Health Risks 2010-07-31T19:35:00Z At Cedars-Sinai and Glendale Adventist, technicians used the automatic feature — rather than a fixed, predetermined radiation level — for their brain perfusion scans. The Radiation Boom: After Stroke Scans, Patients Face Serious Health Risks 2010-07-31T19:35:00Z |
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