Tag: "carotid" at biology news

Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics

...lotting materials on the interior artery walls.The carotid arteries serving the brain are particularly susceptible. Stroke canresult when the carotid artery walls narrow to the point that the brain does notget sufficient blood. Howard will pr...

Soy Phytoestrogens Reduce Carotid Atherosclerosis As Much As Premarin

... the occurrence of atherosclerosis in the internal carotid artery inmonkeys, a Wake Forest University Baptist...in Santa Fe, NM. Blockage of the internal carotid artery is a leading cause of stroke. The team found that hormone replacement therapy from s...

The Distinctive Sound Of Cholesterol

...evice that listens to blood flowing in a patient's carotid artery and tells a doctor immediately if the arter...a license to market the technology. The two large carotid arteries in the neck carry blood to the brain. Physicians now diagnose stenosis -- cholesterol depos...

Cholesterol Lowering Drugs Stall Disease Progression In People With Below-Average Blood Cholesterol Level

... Each underwent an ultrasound B scan of one carotid artery, the majorartery that feeds blood to the br...nvasive technique to measureatherosclerosis in the carotid arteries. The degree of narrowing in thecarotids is an indication of the amount of atherosclerosis ...

Stroke Risk Increased In Patients With High Oxygen Use In Brain

...St. Louis candetermine which patients with blocked carotid arteries are at high risk for astroke. Th...report that patients with complete blockage of the carotid artery and acondition called hemodynamic failure, face a stroke risk six to seven timesgreater than ...

Calcium Channel Blocker Slows Hardening Of Arteries In Some Key Arteries, But Not Others

...eared to slowprogression of atherosclerosis in the carotid arteries in the neck. The coronary arterie...ked coronaryartery can lead to a heart attack. The carotid arteries provide blood to thebrain, and a blocked carotid can lead to stroke. There was no d...

American Heart Association Announces Top 10 Research Advances For 1998 -- Gene Therapy Among The List

...aque obstructions that are prone to rupture in the carotid artery, the blood vessel in the neck that supplies blood to the brain, and the thoracic aorta, one of the largest blood vessels that carries blood from the heart to the lower body. Their preliminary findings suggest that the MRI can be adapted to fr...

Higher Levels Of Protein May Predict Heart Disease

...smoking and increased thickness of the wall of the carotid artery --did not lead to increases in C-reactive protein. Howard called for long term studies to determine where increased levelsof the C-reactive protein in the blood predict heart attracks and strokes inpeople who have increased insulin res...

Study shows cognitive decline is not normal in aging

...culardisease by measuring systolic blood pressure, carotid artery wall thickness withultrasound, major ECG abnormalities and atrial fibrillation from ECG. Cognitive function is defined as the intellectual process by which onebecomes aware of, perceives, or comprehends ideas. It involves all aspects o...

University of Pittsburgh researchers uncover mitochondrial defect involved with inherited cancers

.... Paraganglioma tumors most commonly occur in the carotid body, a small organ located in the carotid artery in the neck that senses blood oxygen levels. This discovery is important because for the fir...

Hormone replacement therapy (HRT) may protect against cognitive decline in women 65 and older who have a certain genetic make-up

...reports that estrogen use was associated with less carotid wall thickening or atherosclerosis. The carotid arteries located on either side of the neck carry blood to the brain. "Less atherosclerosis may prev...

African Americans fare less well than whites after stroke prevention surgery

... most frequently performed blood vessel operation, carotid endarterectomy (CEA), have worse outcomes than whi...te and stroke death rate than whites, and although carotid endarterectomy has been proven in multiple studies to be an effective stroke-preventing operation, t...

Arterial wound repair in DDR1 knockout mice

...he authors find that, following angioplasty in the carotid artery, the mutant animals form a dramatically smaller neointima than do wild-type controls, raising the hope that inhibition of DDR1 at the time of treatment could repress this response in humans as well. Hou et al. also speculate that the contrib...

Study shows that aspirin and warfarin are equally effective for stroke prevention

... a blood clot in the heart, and those eligible for carotid endarterectomy surgery. For these patients, appropriate treatment guidelines already exist from earlier NINDS-sponsored clinical trials. For safety, patients with a history of severe bleeding from any cause and patients whose strokes were related ...

Women more susceptible to orthostatic hypotension

...c response arise from cardiac chambers, aortic and carotid structures, and from vestibular receptors. Otolithic vestibular afferents appear to contribute to the orthostatic sympathetic response. However, available evidence suggests that gender does not affect vestibulosympathetic activation. These data suppo...

Respiratory activation in patients with obstructive sleep apnea syndrome (OSA)

...chanism occurs after repetitive stimulation of the carotid bodies as ventilation returns to baseline over a long duration, up to several hours. Background LTF is drawn out by repetitive hypoxia during sleep, but only in those who snore regularly and have evidence of inspiratory (timed during inhalation) fl...

Study suggests gum disease, cardiovascular disease link common phenomenon in developed countries

...cteria in samples of fatty plaque removed from the carotid arteries of 106 German subjects undergoing a proce...The bacteria were the same types as those found in carotid plaque from an earlier study of U.S. residents.In a related study using a subset of samples from the...

Walking aids older women's arterial elasticity, helping heart

...h advancing age, large arteries like the aorta and carotid lose their elasticity, making it harder for them t...ors for heart disease. Impaired elasticity in the carotid artery also can be a factor in postural hypotension, when blood pressure drops precipitously as a pe...

Genetic mutation plays major role in adrenal cancers

...for glomus tumors - growths that can appear on the carotid arteries, and, when large, are very difficult to treat. The research findings appear to add more evidence to the need for systematic gene testing for all pheochromocytoma patients because understanding the genetic component of the disease can lead to...

'Sorry, Charlie:' New news on the tuna

...studies have found that the Thunnus tuna possess a carotid rete, or vascular network, in the blood supply to ...ve of this study was to measure the ability of the carotid rete to insulate the brain of yellowfin tuna from rapid changes in environmental temperatures. The ...

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