Circulatory System Aging Essay – Essay Furious


Circulatory System Aging Essay

You will read the projects and tell me what you learned by typing it.

The evaluation must be at least 2 paragraphs in length, single space. The group evaluation must include what is different from what was learned from lecture (normal physiology), Anatomy or any other course when appropriate.

I am reading them so I know what the papers are about so I can figure out if you are give me the information. (This is prof words)

I attached the summary of the Circulatory aging project along what was lecture on those power points of Cardiac system

Let me know what I can do to help

Circulatory system aging
Blood vessels are an important part of the cardiovascular system and functions to transport blood throughout the body and are considered vital components for the organs in our body. The most important types include the arteries and veins which carry blood away from or towards the heart. Vessels are also responsible for the delivery of oxygen and nutrients to all cells, as well as the removal of carbon dioxide and waste products, maintenance of optimum pH levels, and the mobility of the elements, proteins and cells of the immune system. As we get older, our blood vessels deteriorate and age as well. This is known as vascular aging. Vascular aging is an important determination and factor to prevent the increased risk of chronic diseases in elderly.
What is vascular aging? Our blood vessels are essentially made of thick connective tissue, elastic fibers, and smooth muscle cells. Naturally as we age, the blood vessel fibers become less flexible, smooth muscle becomes disarranged, it becomes less elastic, intima-media becomes thick, increased vascular stiffness, systolic pressure increases, diastolic pressure decreases and our heart vessels constrict rather than dilate. Our blood vessels decrease in functionality as they become less responsive to vasodilation and are more sensitive to vasoconstriction. All these factors result in the increase of vascular aging and are typical high-risk factors for vascular-age related diseases such as hypertension, atherosclerosis, heart, brain, and kidney vascular disease.

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As an individual ages, the cardiac function and properties change. The left ventricular can enlarge in size, also known as hypertrophy with increased high blood pressure which limits the heart to relax and fill with blood. The left ventricular muscles can become stiff resulting in heart failure with preserved ejection fraction or the left ventricle being unable to fill properly during the diastolic phase. This is a natural effect of aging of the heart because as you age, heart muscles stiffen preventing the heart filling with blood properly. This increases the risk of hypertension which promotes vascular aging even further. A decrease in glomerular filtration can increase arterial diameter, arterial stiffness and cause stress on the arterial walls increasing the risk of renal dysfunction. Other factors such as heart rate increasing dramatically or rhythm can become lost and irregular, which is known as atrial fibrillation. Endothelial dysfunction can also occur as plaque buildup becomes prominent further decreasing blood flow. Thus, these factors all have shown to be significantly higher in elderly people when compared to individuals who are younger. For example, researchers looked at the intima-media wall and thickness of a carotid artery or intima-media thickness, or IMT, which is considered one of the important structural changes towards the risk of vascular aging. Studies show that for every 0.1 increase in IMT, the likeliness of individuals suffering from myocardial infarction is 11%. The thickness should be no more than 0.9 mm. Although in healthy people, it was shown that IMT increased within age and individuals who had cardiovascular risk factors, not taken into account with age, also increased. Intima-media thickness values were recorded and recommended values were taken account for by age: ages 40‐49 years, should be less than 0.7 mm; ages 50‐59 years, should be less than 0.8 mm; and ages 60 years or older, should be less than 0.9 mm.
Younger Individuals can also suffer from EVA or early vascular aging. This means someone can develop diseases earlier in age, and a process that functions faster than normal aging resulting in early detection of atherosclerosis. This can happen to individuals who have had a family history of early heart disease, having an unhealthy diet, lack of exercising and many other factors. By doing so, researchers took the values of pulse wave velocity which measured arterial stiffness from a group of individuals. They took values out of range compared to normal pulse wave velocities and those out of range showed early vascular aging. The results presented that individuals younger than the age of 30, specifically young men, presented detections of early vascular aging and an increased risk of cardiovascular disease early on.
Essentially, vascular aging can both be due to natural physiological factors and pathological processes. Our blood vessels in the cardiovascular system and circulatory system naturally age as we age thus increasing life-threatening health conditions in the future as we get older. Heredity, environment, and lifestyle can be the factors accelerating vascular aging and are typically the result of how blood vessels are aging so quickly. Individuals can prevent and control risk factors of developing diseases such as improvement of diet, increasing physical activity, and reduce smoking and the consumption of alcohol. Studies have shown that certain medications have proven to improve vascular function, reduce arterial stiffness, slow down vascular aging, and drugs that contain angiotensin-converting enzyme inhibitors and angiotensin receptor blockers can decrease arterial stiffness and in contrast, improve elasticity. Aging is irreversible and vascular aging has been proven to be the influence of vascular-related diseases but prevention and early detection with vascular aging can help elderly people reduce the risk of cardiovascular disease and other life-threatening health conditions.

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