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Dilation in Medical News

Blood Rush to the Brain When Angry Is a Good Sign

... -- Anger and other forms of mental stress cause dilation of the neck's carotid arteries and a rush of ... In the healthy volunteers, mental stress caused dilation of the carotid arteries and increased blood flow ... "Inappropriate vasoconstriction, or lack of dilation in response to mental stress in stable coronary ...

Atkins Diet Tougher on Heart After Weight Loss

... vessel functioning by measuring blood vessel dilation in the arm. They found that "as you increase ... of saturated fat [in the diet], blood vessel dilation is reduced," Miller said. Healthy vessel dilation is important to proper blood flow. "The diet ...

Researchers discover new way to reverse poor circulation and heal wounds

... should need more fuel to bring about a greater dilation in the vessels supplying them, but her experiments found no difference in initial dilation of vessels between twitch types. Some unknown ... to it and shuts it down. They found that vessel dilation was significantly inhibited as the antibody ...

New Research Suggests Drinking as Little as One Cup of Black Tea Per Day May Help Maintain Cardiovascular Function and Heart Health

... in this field. "We used the gold standard technique to assess the dilation of the brachial artery in response to black tea and observed a significant ... findings, Black tea consumption dose-dependently improved flow-mediated dilation in healthy males, will be published in The Journal of Hypertension in ...

Endoscopic ultrasound highly accurate in evaluating ambiguous radiographic findings of the pancreas

... somewhat ambiguous findings - enlargement of head of pancreas (HOP) or dilation of the pancreatic duct (PD). The study appears in the August issue of ... an abnormal CT and/or MRI who were reported as having an enlarged HOP or dilation of the PD (with or without a dilated common bile duct). An EUS ...

IU Health & Wellness: Research and insights from Indiana University

... for 45 minutes. The researchers examined the brachial artery flow-mediated dilation -- how well the artery can expand to accommodate an increase in blood ... be reached at 858-534-4713 and Harrisra@ucsd.edu . "The Flow-mediated dilation Response to Acute Exercise in Overweight Active and Inactive Men," ...

Study in this Week's Issue of Cell Finds Injected Growth Factor Spurs Heart Regeneration

... fraction, assessed on echocardiograms) improved as compared with untreated controls. The NRG1-injected mice also lacked the left-ventricular dilation and cardiac hypertrophy that typify heart failure; both were seen in the controls. When the researchers also stimulated production of a cellular ...

Despite More Tests, Some Aren't Getting Results

... of the cases, radiologists notified clinical teams of the test results. But in 58 percent of the new dilations, there was still no record of the dilation in the person's electronic medical record within three months of the CT scan. In 29 percent of the cases, there was no documentation of the aortic ...

Cornflakes, White Bread Could Boost Heart Risk

... function is poor, it is thought to increase the risk of cardiovascular disease. The measurement used is called brachial artery flow-mediated dilation (FMD), which measures how well the endothelium is functioning. Researchers also measured the participants' blood sugar levels. The blood sugar ...

Women Who Run May Benefit From Extra Folic Acid

... athletes, according to the Medical College of Wisconsin researchers. "Previous studies have shown that amenorrheic women runners have decreased dilation in the main (brachial) artery of the arm in response to blood flow. Athletic amenorrhea has a hormonal profile similar to menopause, when the ...

Study in Nature Medicine establishes major new treatment target in diseased arteries

... protection against abdominal aortic aneurysm (AAA). The aorta is the main artery carrying blood from the heart, and AAA is a progressive outward dilation of the aorta under the stress of blood pressure due to a breakdown in the vessel's structural integrity. AAA leads to 15,000 deaths a year, mostly in ...

Video: New Survey Finds 97 Percent of Women Understand Weight Increases Heart Disease Risk - The Leading Cause of Female Death in the United States - Yet 55 Percent Remain Overweight

... patient's ability to tolerate a foreign object implanted in the body. Band slippage, erosion and deflation, reflux, obstruction of the stomach, dilation of the esophagus, infection, or nausea and vomiting may occur. Reoperation may be required. Rapid weight loss may result in malnutrition, ...

XTENT Receives CE Mark Approval for CUSTOM NX (R) Drug-Eluting Stent System

... of the first stent system to allow treatment of multiple lesions using one catheter Approval of the first stent system to incorporate a post dilation feature on the delivery catheter About the Custom NX(R) Drug Eluting Stent System The Custom NX DES System is designed to ...

Any Exercise Good After a Heart Attack

... rubber bands, lasting 45 seconds to one minute, with recovery intervals of 15 to 30 seconds. Endothelial function was measured by flow-mediated dilation (FMD), the amount that blood vessels widen to increase blood flow. FMD more than doubled, from 4 percent to 10 percent, in both exercise groups. ...

Verathon(R) Introduces BladderScan(R) BVI 9600 Bladder Volume Instrument with AortaScan(TM) Mode to Help Physicians Identify the Presence of Abdominal Aortic Aneurysms

... aorta. This crucial diameter measurement helps physicians identify the presence of AAA. Abdominal aortic aneurysms (AAAs), a localized dilation of the abdominal aorta that exceeds normal diameter by more than 50%, occur most frequently in men over the age of 60 (1,2). In the US, AAA occurs ...

Researchers detail how aging undermines bone healing

... acid to prostaglandin E2 (PGE2), a hormone with many functions in the animal body depending on the type of cell they interact with, from blood vessel dilation to embryo implantation in the womb to bone healing. PGE2 is known to have it effect on cells by reacting with one of four receptor proteins (EP1EP4) ...

Mini heart attacks lessen damage from major ones

... heart. Early tests in a mouse model have confirmed that the new MRIG NO donor drugs are cardioprotective in-vivo, and do not cause system-wide vessel dilation side effects. Bruce Freeman, Ph.D., chair of the Department of Pharmacology & Chemical Biology at the University of Pittsburgh School of ...

Siemens Demonstrates Flexibility, Enhanced Workflow and Imaging Excellence

... such as increased use of collateral circulation because the color draws the eye to the abnormality faster. Post-procedurally, successful balloon dilation or stent placement of the stenosis with improved flow is evident." To deliver the discrete image, s yngo iFlow maximizes opacification of ...

FDA Approves New Drug for Severe Epilepsy

... relatively seizure-free periods. They suffer from varying types of seizures, including tonic (stiffening of the body, upward deviation of the eyes, dilation of the pupils, and altered respiratory patterns), atonic (brief loss of muscle tone and consciousness, causing abrupt falls), atypical absence ...

Joyful Music in Tune With Heart Health

... music. Blood flow also increased 19 percent during the laughter (video clip) phase and 11 percent during relaxation. The increase in dilation seen after listening to joyful music was "about the same level we see after someone does aerobic activity. It's also similar to what we see after ...

New Blood Test Better Identifies Heart Failure Patients in ER

... tries to keep the blood's salt and water balance stable." MR-proADM indirectly measures a hormone called adrenomedullin, which affects blood vessel dilation and is implicated in many cardiac and infectious diseases. Because the hormone, ADM, is very unstable, it was necessary to develop an indirect test ...

Possible association between CP and LC of alcoholic etiology

... major clinical manifestations of CP such as pancreatic pain and steatorrhoea as well as imaging alterations of CP such as calcifications, duct dilation and pseudocysts were absent; insulin-dependent diabetes was present in 5.3% cases, and elastase-1 test was altered in only 7% and severely altered in ...

Patience during stalled labor can avoid many C-sections, UCSF study shows

... conclude. The study examined the health outcomes of 1,014 pregnancies that involved active-phase arrest two or more hours without cervical dilation during active labor and found that one-third of the women achieved a normal delivery without harm to themselves or their child, with the rest ...

Study Shows How Soy Compound Lowers Blood Pressure and Stroke Risk

... who consumed soy isoflavones had a significant increase in flow-mediated dilation, the measure of a blood vessel's healthy ability to relax. The dilation of arterial blood vessels leads to a decrease in blood pressure and reduces the risk of stroke. The researchers note, "These findings may have ...

Stem cell regeneration repairs congenital heart defect

... Specifically, the "knockout" of a critical heart-protective protein known as the KATP channel compromised heart contractions and caused ventricular dilation or heart enlargement. The condition, including poor survival, is typical of patients with heritable dilated cardiomyopathy. Researchers ...

Clean, Chemical-Free Eye Cream Evening Primrose Oil: The Puffy-Eye Cure

... skin, amino acids are transformed into prostaglandins, quelling allergic response and inflammation while controlling contraction of smooth muscle, dilation and constriction of blood vessels, passage of substances through cells and many other physiological functions. A healthy balance of prostaglandins in ...

Release of Kowalski Book on Attaining Healthy Blood Pressure Coincides with Website Launch, New Endurance Products SR L-Arginine and Grape Seed Extract

... Cure." The EP® Meganatural BP® Grape Seed Extract is a proprietary sustained release formula that may naturally encourage blood vessel dilation and thus promote healthy blood pressure. (PRWEB) July 1, 2008 -- The latest paperback release of Robert E. Kowalski's ...

Portable device effective in zapping away migraine pain

... the two groups. It was previously believed that migraine headaches start with vascular constriction, which results in an aura, followed by vascular dilation that will lead to a throbbing headache. However, in the late 1990's it was suggested that neuronal electrical hyperexcitablility resulted in a ...

Texas Jury Awards $250 Million Patent Infringement Verdict Against Boston Scientific in Balloon Catheter Lawsuit

... Mass.-based Boston Scientific Corp. (NYSE: BSX ) and one of its subsidiaries following a patent infringement lawsuit involving a series of Medtronic dilation and balloon catheters used in the surgical treatment of heart disease. The week-and-a-half trial heard by the Hon. T. John Ward concluded yesterday ...

Ohio State University Medical Center to Test Efficacy of Hyperbaric Oxygen Medicine on Stroke Victims

... of new blood vessels to locations with reduced circulation (improving blood flow to areas with arterial blockage) and causes a rebound arterial dilation after treatment, resulting in an increased blood vessel diameter greater than when therapy began, thus improving blood flow to compromised organs. ...

Viscosity Enhancers Curb Bleeding Complications

... flow through tissues. These findings also are consistent with recent discoveries showing that higher shear forces of more viscous blood leads to dilation of small blood vessels," Intaglietta said. Severe blood loss can lead to a dangerous condition called hypovolemic shock, which is one of the main ...

Timing of HRT May Influence Heart Risks

... took HRT in the belief that it would reduce their risk for heart disease. For this study, researchers used ultrasound to measure flow-mediated dilation (FMD) in the brachial artery in four groups of postmenopausal women (127 participants total). FMD measures how well the endothelium functions. ...

Eyes a Window to Hearing Loss?

... to ignore such sounds, according to Bala. This is known as habituating. Bala and his colleagues thought they might be able to use this pupillary dilation response (PDR) to measure a person's ability to hear. To test this theory, they recruited 22 healthy volunteers and asked them to listen to a ...

Balloon catheter-based sinus surgery radiation exposure 'very low,' safe

... February 2008 issue of the journal Otolaryngology Head and Neck Surgery. The studys authors monitored 93 cases of balloon catheter sinus ostial dilation fluoroscopy performed over a ten-month period, using dosimeters to record radiation exposure to both the patient and the surgeon. The authors ...

Study examines self-expanding plastic stents in the treatment of benign esophageal conditions

... and of all stents placed, said the studys lead author Todd Baron, MD, FASGE, Mayo Clinic, Rochester. Stent migration rates were not influenced by dilation at the time of stent placement or stent size. Although stent placement typically resolved the patients symptoms initially, long-term resolution was ...

Carbon monoxide counteracts one side-effect of an anti-cancer drug

... the cell from injury. In mice treated with DOX, mitochondrial biogenesis in the heart was suppressed, resulting in heart cell death, thinning and dilation of the heart wall, and fibrosis. However, periodic inhalation of CO by DOX-treated mice restored mitochondrial biogenesis and averted cardiomyopathy. ...

JCI table of contents: Nov. 21, 2007

... the cell from injury. In mice treated with DOX, mitochondrial biogenesis in the heart was suppressed, resulting in heart cell death, thinning and dilation of the heart wall, and fibrosis. However, periodic inhalation of CO by DOX-treated mice restored mitochondrial biogenesis and averted cardiomyopathy. ...

Drug Combo Helps Fight Marfan Syndrome

... tissues, is often characterized by excessive bone elongation and joint flexibility, and eye and cardiovascular system abnormalities. Progressive dilation and rupture of a major blood vessel, the aorta, are the most serious complications and the most common cause of premature death in people with the ...

Regular Eye Screens Spot Diabetic Vision Trouble

... levels can help prevent diabetic retinopathy. The American Diabetic Association recommends that people with diabetes get an eye check with dilation every year. Only 47 percent of diabetics get their annual vision check, according to the most recent data. The importance of educating patients ...
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