The circulatory system is a complex collection of the heart and its many chambers, and the vessels that move blood around the body. At first glance, it can be difficult to grasp. Whether you have an ...

The human circulatory system represents an intricate network of vessels that extends throughout the entire body. This complex arrangement of arteries, veins, and capillaries works continuously to ...

To assess the reliability and validity of spectral-domain optical coherence tomography (SD-OCT) measurements of retinal vessel lumen diameters and wall thicknesses. SD-OCT was used to characterize the ...

Using physical measurements, theoretical models and numerical simulations, researchers have shown how the growth of the arteries directly controls that of the veins through a process that depends ...

Dr. Thoralf Sundt answers the question: 'Bypass -- Vessels From Legs Or Chest?' — -- Question: How does a surgeon decide whether to use veins from the legs or arteries from the chest to do bypass ...

The use of radial-artery grafts for coronary-artery bypass grafting (CABG) may result in better postoperative outcomes than the use of saphenous-vein grafts. However, randomized, controlled trials ...

Vascular surgeons are doctors who treat diseases and problems within the vascular system, the network of arteries and veins that carry blood throughout the body. Vascular surgeons do more than surgery ...

An arteriovenous fistula (AVF) is an abnormal joining of an artery and a vein. If an AVF is affecting health, early treatment can help prevent complications. An AVF occurs if an artery connects to a ...

A retinal artery occlusion is a blockage in one of the blood vessels that supplies your retina with blood. It usually occurs suddenly and can cause vision loss without causing pain. A retinal artery ...

Cynthia Elford had recently lost her left leg to Type 1 diabetes, after a sunburned big toe turned nearly black and forced an amputation. Now, Elford was being told the same thing was happening in her ...