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Tag: "arterial" at medical news

Blood Protein may Hold Key to Why Healthy People Get Heart Attacks

...es directly, causing cell death and erosion of the arterial lining, a process that can create unstable plaques. MPO also hampers the protective effects of high-density-lipoprotein (HDL) cholesterol and reduces the availability of nitric oxide, a natural chemical that relaxes the blood vessels. "MPO leve...

Tenaxis Medical Inc. Announces First Human Use of Vascular Sealant

... and the artery-graft junction was exposed to full arterial pressure. Dr James Zimmerman, a vascular surgeon with Pacific Coast Cardiac & Vascular Surgeons, Redwood City, California, attended the first surgery and said "the procedure went flawlessly, the product was deployed over the top of the sutures, and...

Protein Interaction is a Drug Target for Blood Clot Prevention

... injury in the form of a blood clot (thrombus). In arterial disease, altered platelet aggregation can block blood vessels and cause heart attack or stroke. Platelet aggregation involves the binding of many molecules to platelet integrin alpha-IIb beta 3, and blockade of this binding is effective in the pre...

Flavonoids In Orange Juice Make It A Healthy Drink, Despite The Sugar

...iated with oxidative stress andinflammation in the arterial wall, so the search for foods that areleast likely to cause these conditions must be pursued," said PareshDandona, M.D., Ph.D., head of the Diabetes-Endocrinology Center ofWestern New York and senior author on the study. "Our previous work has s...

Scientists Develop Artificial Blood Vessels for Vascular Grafts in Mice

...hers have been looking for the ideal small-caliber arterial substitute for re-vascularization procedures. Led by Dr. David A. Vorp, Associate Professor of Surgery and Bioengineering, the researchers developed vascular graft by bulk seeding MDSCs inside a biodegradable porous, tubular polyester urethane scaf...

Four Organ Transplants Dont Help, Canadian Teenager Dies

...ctors figured the mysterious condition involved an arterial veneous malformation in the bowel that would bleed out, causing damage to his stomach and liver. On Aug.1, 2006, he received a new liver, pancreas, stomach and bowel during a 12-hour surgery requiring a team of more than eight specialists at Toronto ...

Premature Vascular and Bone Changes Occur in COPD Patients

...hronic obstructive pulmonary disease, have greater arterial stiffness. The researchers also found that those ...ation of the respiratory disease, had even greater arterial stiffness. These premature signs of aging may explain why COPD patients are at greater risk for card...

Chronic Metamphetamine Abuse is Related to Cardiovascular Disease

... cellular reactions, and form damaging deposits on arterial walls. Methamphetamine-AGE proteins not only increased antibody production, the study said, but were strong enough to overcome the drugs natural immunosuppressive qualities. In addition, a wide range of cytokines directly linked to AGE exposure we...

Risk of Dementia Increased With Secondhand Smoke

...uded narrower carotid arteries and thicker carotid arterial walls, and serve as indicators of preclinical cardiovascular disease and are risk factors for stroke. People with these underlying conditions and high lifetime exposure to secondhand smoke were nearly two-and-a-half times as likely to develop dementi...

Higher Intake of Calcium and Vitamin D Linked With Brain Lesions in Older People

...ntion and activity, which may further enhance this arterial calcification. If blood vessels in the brain are affected, damage could lead to brain lesions. 'At this point,' says Dr. Payne, 'we do not know if high calcium and vitamin D intake are involved with the causation of brain lesions, but the study pr...

FDA Requests Recall of All Shelhigh Medical Devices

...nnuloplasty rings to help repair heart valves, and arterial grafts....

Late Clamping of Umbilical Cord may Reduce Anemia in Children

...ntrations in the umbilical cord, together with the arterial and vein differences according to type of birth, suggest that the pineal gland is used by the fetus and that it can respond during birth. As for the concentration of the triacylglycerols (TAG) analyzed in the umbilical vein of both groups, this stu...

Natural Pine Bark Extract Reduces Heart Failure Risk

...ce receiving L-NAME only (a substance which causes arterial constriction) and mice receiving both Pycnogenol and L-NAME. Pycnogenol and L-NAME were administered in tap water. The study was approved by the Animal Review Committee at the University of Arizona. Previous studies have shown Pycnogenol suppleme...

Surgeons Perform Nasal Reconstruction for War Veteran Using His Own Body Parts

...ood vessel formation, and to improve the coverings arterial network before transplant. The inside nasal components were assembled in two operations, with nostrils and tip, using skin transplanted from his arm and neck, bone and cartilage came from rib and ear. One of the more complex procedures involved t...

Research may Yield Improved Treatment for Diseased Lungs

... role in heart failure in patients with pulmonary arterial hypertension. Patients who have the disease may .... There are treatments, but no cure, for pulmonary arterial hypertension. Naomi Chesler, a UW-Madison assistant professor of biomedical engineering, is leadin...

Masimo SET Pulse Oximetry Technology Significantly Reduce the Risk of ROP

...rotocol, including the monitoring of the neonates' arterial blood oxygen saturation with Masimo SET pulse oximetry, could dramatically reduce ROP. But some observers questioned how critical Masimo SET pulse oximetry was to the success of the protocol. This multi-center study shows that the accuracy and reli...

Second Hand Smoke Has Serious Consequence on a Childs Heart

...achial artery endothelial function -- a measure of arterial health. Endothelial dysfunction impairs blood vessels' ability to dilate. Even modest exposure to tobacco smoke alters endothelial function in children, and may impact early development of atherosclerosis (hardening of the arteries)," study lead au...

Different Causes for Childhood Brain Aneurysm was Revealed

...view of 53 Ohio children with intracranial (brain) arterial aneurysms, Todd Abruzzo, MD, found that the most c...wall that can rupture and hemorrhage. Intracranial arterial aneurysmsuncommon in pediatric patientsare bulges that develop in the arteries that carry blood to t...

New Hypertension Drug Wins FDA Approval

...ife-threatening lung disease. Key words: pulmonary arterial hypertension, liver injury, birth defect risks, de...brisentan, is a once-daily treatment for pulmonary arterial hypertension. Because of liver injury and birth defect risks, the drug will be available through ...

Higher Intake of Calcium and Vitamin D Linked With Brain Lesions in Older People

...ntion and activity, which may further enhance this arterial calcification. If blood vessels in the brain are affected, damage could lead to brain lesions. 'At this point,' says Dr. Payne, 'we do not know if high calcium and vitamin D intake are involved with the causation of brain lesions, but the study pr...

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