( A new study in the August issue of Radi...)Carotid Stenting Could Avert Depression In Stenosis,Health

A new study in the August issue of Radiology says that placing a carotid stent in a narrowed carotid artery helps ward off depression that could arise as a result of carotid stenosis. //"The patients in this study who received carotid stenting showed significantly fewer depressive symptoms than those who did not," said lead researcher Wolfgang Mlekusch, M.D., specialist of clinical angiology and internal medicine at Vienna General Hospital and Medical School in Vienna, Austria.

Carotid stenosis is caused by the formation of plaque within the carotid artery, which supplies blood to the brain. The build-up of plaque narrows the opening in the artery and can lead to stroke. Until recently, surgery was the standard treatment for this disease, but carotid stenting has emerged as an accepted minimally invasive alternative to restore blood flow to the brain. To perform the procedure, an interventional radiologist uses an image-guidance system such as computed tomography and a guide wire to reach the site of the narrowing in the artery, expands the artery with a balloon and inserts a stent to hold the artery open.

According to the National Center for Health Statistics, cerebrovascular disease is the third leading cause of death in the United States. Recent studies have shown that some depressive disorders may be caused by cerebrovascular diseases such as carotid stenosis, which restrict blood flow to the brain. These disorders are collectively known as "vascular depression."

Dr. Mlekusch and colleagues studied 143 patients with carotid stenosis and 102 age- and gender-matched controls with peripheral artery disease (PAD) scheduled to undergo lower-limb angioplasty, a surgical procedure. All patients were tested for depressive symptoms based on the Beck Depression Inventory (BDI). BDI scores of 10 or above indicate substantial depressive symptoms.

Patients with a high level of carotid stenosis (greater than 80 percent) more frequen
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