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Doctor insights on: Blood Vessel Damage

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Could blood vessels repair themselves?

Could blood vessels repair themselves?

Yes: The vessels are remodeling all of the time. However if you are talking about a vessel that has an aneurysm or clogged with plaque then no they can not heal those lesions and a surgical correction is required. ...Read more

Dr. Ted King
1,879 doctors shared insights

Veins (Definition)

Veins are thin walled vessels that carry deoxygenated blood ...Read more


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Can MRI of brain see aneurysm or blood vessel problems(vasculitis)?

Can MRI of brain see aneurysm or blood vessel problems(vasculitis)?

MRI and MRA brain: Yes, an MRI can visualize blood vessels but not well; an MRA (MR angiogram) is the optimal MR test. It uses gadolinium which is not a radio-iodine and is not kidney toxic. Gadolinium can be eliminated slowly however, if a person has kidney impairment, and then the gadolinium can enter dermal tissues. Radiologists are aware. ...Read more

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Could blood thinners dissolve the blood vessels as well?

Could blood thinners dissolve the blood vessels as well?

No: The blood thinners really do not " thin" the blood they alter the cascade of chemical events that lead to platelet clot formation. So in reality the blood isn't thinner it just has a difficult time clotting. THese drugs do not dissolve the vessels. ...Read more

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What is blood vessel dissection? Can that cause brain aneurysms

What is blood vessel dissection? Can that cause brain aneurysms

Arterial dissection : Can result in a stroke in the distribution of the specific blood vessel, and could be profound if involving the carotid or vertebral. No relationship to aneurysms. ...Read more

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Damaged blood vessel cut off circulation to the hair follicle how can I repair the blood vessel?

Damaged blood vessel cut off circulation to the hair follicle how can I repair the blood vessel?

You can't : There is now way to repair small vessels. They just have to heal naturally. The vessel will either regrow or it won't. ...Read more

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What causes repeated broken blood vessels in fingers?

What causes repeated broken blood vessels in fingers?

Usually trauma: The veins on top of the hands are very prone to injury from simply hitting them against an object. This would be the most common reason for them to be bruised and subsequently bleed. Other causes could be medications that you are taking such as aspirin, fish oil and even some vitamins. You may want to follow up with a vein specialist for an evaluation. ...Read more

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How does high blood glucose weaken blood vessels, leading to diabetic retinopathy, nephropathy?

How does high blood glucose weaken blood vessels, leading to diabetic retinopathy, nephropathy?

Sticks to the walls: Microangiopathy is what you describe and it is proportional to your blood sugar contol over time. High glucose will stick to proteins on the cell layer of small blood vessels and basement membranes causing a change in permeability with leakage into tissues of larger proteins and disruption of flow causing other vessels to grow and bleed. Proliferative retinopathy and diabetic glomerulopathy result. ...Read more

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Is there collagen in capillary blood vessels?

Is there collagen in capillary blood vessels?

Yes: The basement membrane on which the lining of the capillary rests has collagen as the major constituent. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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How is excess blood sugar related to abnormal eye blood vessels?

Diabetic retina: Persistent uncontrolled blood sugar (uncontrolled diabetes) in many cases can lead to weakening of blood vessel walls in the retina of the eye and this can cause bleeding, vascular growth and other changes that can affect vision You should work with your diabetic doc to keep the sugar under control and a blood level termed HbA1c at least below 7.0 to help protect the eye. ...Read more

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Can high blood pressure cause pulmonary hypertension without the pulmonary vessels constricting?

Can high blood pressure cause pulmonary hypertension without the pulmonary vessels constricting?

PULMONARY PRESSURES: Hypertension can cause a myriad of problems ranging from systemic to isolated organ damage (eyes, kidneys). Pulmonary hypertension is "high pulmonary vascular pressures" typically due to a filling issue upon return to the heart (obstruction) or an intrinsic problem of the tissue of the lung itself (stiffness). High blood pressure can worsen pulmonary hypertension but it does not cause it, per se ...Read more

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Can a blood vessel in eye or retina rupture?

Can a blood vessel in eye or retina rupture?

Yes it is possible: For a blood vessel in the conjunctiva, iris, retina to bleed. Risk factors would include taking blood thinners, trauma, heavy lifting, or having very high blood pressure. ...Read more

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Does caffeine constrict blood vessels?

Does caffeine constrict blood vessels?

Yes…a little: That is why it is helpful in the treatment of headache, but it can also raise your blood pressure a little bit , usually not enough to be dangerous, even if you have high blood pressure. But if you are in doubt, ask your doctor ...Read more

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Can blood transfusions causes strokes?

Can blood transfusions causes strokes?

There: Are reports in the medical literature suggesting increased risk of stroke and heart attack in patients receiving transfusions perioperatively. This is a complex issue beyond scope of this site. Discuss your concerns with your surgeon. Also talk to hematologist if needed. ...Read more

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What happens when a blood clot obstructs a blood vessel?

What happens when a blood clot obstructs a blood vessel?

Depends: It depends if the vessel is an artery or a vein, the size of the vessel, collateral circulation, co-existing illnesses etc. Blood clot in a vein can travel to lung and cause lung infarction. Clot in an artery may damage the tissue/organ supplied by that artery. Heart attack is one example of clot in an artery. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. ...Read more

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Is caffeine a blood vessel dilator bad?

Is caffeine a blood vessel dilator bad?

Dilator?: Caffeine, if anything should constrict blood vessels and raise your bp. In moderate amounts (like anything) this should not be a problem unless you have some conditions that may improve without the stimulant and vessel constricting effects of caffeine. ...Read more

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Does dopamine constrict or dilate blood vessels?

Both: Overall Dopamine constricts blood vessels, and this medicine is used in icus for patients with dangerously low blood pressures. However, at low doses, certain blood vessels in the body, such as the kidney, Dopamine can relax the vessels to increase blood flow (helps perfuse the kidney so that they can do their job better). ...Read more

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Can reynaud's affect a blood vessel in the brain?

Can reynaud's affect a blood vessel in the brain?

Raynauds: By definition arterial spasms induced by cold. Can occur independently of other conditions or as part of other diseases. Thermaly speaking temperature in brain fairly constant. That are other conditions including vascular headaches which occur based on vasospasm with frequently other causes such as diet and smoking. ...Read more