Calcium deposits in arteries are usually associated with atherosclerosis. These calcium deposits plus cholesterol and cellular waste products are responsible for plaques which lead to narrowing and hardening of arteries.
You should probably advise your mother on some lifestyle modifications such as eating healthy, low-cholesterol foods, and stopping of smoking (if she smokes). If she has hypertension, it should be adequately managed, and her cholesterol and triglyceride levels regularly monitored.
Theoretically, it could lead to a stroke, especially if the deposition forms into a plaque or the narrowing of the artery is severe enough.
Lifestyle modification is mandatory. She should eat a proper and balanced diet. Smoking is prohibited. Some exercise would be helpful.
Drug treatment may help lessen the chances of a stroke occurring. However, it is not as effective as drug treatment for carotid artery disease.
Invasive treatment is done by inserting a catheter into the groin and threading it up through the vessels to the site of the plaque. Then, a balloon is deployed and is expanded within the arterial narrowing, thus, pushing the plaque back against the artery walls. Stents may then be implanted to cover the plaque and keep the artery open.
The treatment would depend on the severity of atherosclerosis. You should talk to your mother's physicians to determine the best treatment plan for her.
I AM 23, MALE AND HAVE HAD A CT SCAN AND MRI, BOTH OF WHICH HAVE SHOWN A "SPOT" OR CALCIUM DEPOSIT IN THE LEFT THALUMUS. FOR ABOUT A YEAR AND A HALF NOW, I HAVE HAD HORRIBLE CLUSTER HEADACHES AND MIGRAINES THAT USUALLY COME WITH STOMACH ACHES AND DIZZY SPELLS. MOST RECENTLY, FOR 2 OR 3 SECONDS, DURING A HEADACHE, I LOST VISION IN 1 EYE AND THEN THE OTHER. IT ALSO FEELS LIKE NO PAIN MEDICINE WILL TAKE THE HEADACHE AWAY. THESE HEADACHES LAST FOR 1 TO 5 DAYS AT A TIME. SHOULD I BE WORRIED OR IS THERE A CURE?
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