With age, the human heart gradually loses its ability to repair itself following injury. Damage wrought by injuries such as cardiac ischemia and heart attack, which are associated with decreased oxygen levels in the heart, ...
Oct 21, 2021
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The blockage of lung arteries by a blood clot results in pulmonary embolism—a condition requiring emergency care that affects more than 300,000 people in the United States each year. Existing treatments, however, may not ...
Oct 19, 2021
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Red blood cells in the human body are continuously subjected to oxidative stress, in which highly reactive molecules damage cellular components. Blood cells have a mechanism in place to deal with this stress, an enzyme called ...
Sep 27, 2021
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Like highways, roads, and side streets, blood vessels in the human body come in different sizes, with a range of traffic-carrying capacities. These differences are critical to facilitating blood flow through tissues. But ...
Sep 23, 2021
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Like a blocked water line, obstructions in blood vessels in the human circulatory system can cause serious problems. This is especially the case in superior vena cava syndrome (SVCS), in which oxygen-depleted blood returning ...
Jun 28, 2021
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For patients with chronic pain, ineffective treatments, lowered work productivity, and other factors often coalesce, fueling feelings of hopelessness and anxiety and setting the stage for even bigger problems, including substance ...
May 5, 2021
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The human heart works under high demand, constantly pumping oxygen-rich blood through the body. When faced with disease, however, fulfilling this demand can become increasingly difficult and harmful. In the case of chronic ...
Mar 30, 2021
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About 6.2 million Americans suffer from heart failure, an incurable disease with a staggering mortality rate—some 40 percent of patients die within five years of diagnosis. Heart failure is one form of heart disease for ...
Mar 12, 2021
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While the COVID-19 pandemic brought most of the country to a standstill in March 2020, Philadelphia trauma surgeons noticed an alarming trend in the incidence of firearm violence. Instead of decreasing with containment measures, ...
Feb 10, 2021
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Like a failing fuel pump that causes a loss of engine power in a car, a diseased heart can take a serious toll on the body's performance. For some patients, tasks like walking up a flight of stairs or walking across a room ...
Jan 13, 2021
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