Tag: "angiography" at medical news

New research pinpoints best treatment for stroke

...d quantitative imaging such as CT perfusion and CT angiography and not on generalized application of arbitrary time windows of three to six hours. Those windows can exclude some patients who may benefit from treatment and include others who may suffer from serious complications of the treatment. Application of ...

MDCT accurate for diagnosing coronary artery disease in patients with no to moderate calcification

...vere coronary calcification, conventional coronary angiography may still be necessary to diagnose or exclude high-grade stenosis of the coronary tree," said Dr. Heuschmid....

Heart scan surprises: CT reveals many non-heart problems, too

...rapid rise in CT heart scans, known as CT coronary angiography or CTCA, has given more patients and their doctors a detailed view of the coronary arteries that feed the heart muscle -- without an invasive procedure. "The new cardiac CT that we can perform today can assess the arteries supplying the heart for blo...

New breast shield reduces radiation to female breast during chest CT by up to 73%

...ans are aware that both diagnostic chest CT and CT angiography imparts a radiation dose of 20 to 50 mGy or more to the breasts of an average-sized woman. That CT dose is roughly equivalent to 10 to 25 two-view mammograms and up to as many as 100 to 400 chest X-rays. The increasing radiation exposure from CT and ...

MDCT overtakes ventilation-perfusion lung scan for diagnosing pulmonary embolism

MDCT pulmonary angiography is replacing the ventilation-perfusion lung scan t...hode Island Hospital in Providence. MDCT pulmonary angiography is a state-of-the-art CT examination that images the pulmonary arteries after IV injection of iodina...

Computed tomography has potential to offer accurate, safer method for detecting artery disease

...y 25 issue of JAMA. Conventional invasive coronary angiography is currently the diagnostic standard for clinical ....8 percent; death rate, 0.1 percent). Furthermore, angiography catheterization induces some discomfort and mandates routine follow-up care. Guidelines recommend th...

UCSB professors among team awarded $13 million to mount nano-attack on plaque

...ailable to detect so-called stable plaque, such as angiography or fluoroscopy....

Northwestern Memorial neurologist is lead author of comprehensive stroke center recommendations

...c resonance imaging (MRI), computerized tomography angiography (CTA), digital cerebral angiography and transesophageal echocardiography; Ability to perform advanced surgical and endovascular procedu...

16-MDCT can efficiently scan ER patients; repositioning patients may improve image quality

...ical spine took an average eight minutes, while CT angiography took 21 minutes. The most time-consuming examination is the multiple trauma patient, with an average room time of 31 minutes, said Dr. Gralla. Multiple trauma patients usually undergo a whole-body scan, with the patient examined head-first. "This a...

MRI cardiac catheterization poised for success in children with congenital heart disease

...ologists because it can do what conventional x-ray angiography cannot. While x-ray angiography depicts the inside of the blood vessels and heart chambers in two dimensions, and the rest of the he...

Women at heart: stop the bias

.... 58%) in patients with heart failure and coronary angiography (47% vs. 60%) in patients with an coronary heart disease. There were considerable gender differences regarding treatment according to guidelines in a subgroup of patients with documented LVSD. Drugs with a documented impact on survival were given les...

Radiation dose reduction in liver cancer

A new digital angiography flat panel system reduces the radiation dose to pa...r. Doses were assessed for 12 patients using a new angiography unit with a digital flat-panel system and 12 using a conventional unit for angiographic imaging. The...

EBCT scans trump angiography at detecting killer heart defect

...(EBCT) is more accurate than conventional catheter angiography for detecting a dangerous congenital heart abnorma...nbul, Turkey, who had undergone conventional X-ray angiography for chest pain or shortness of breath and then later underwent an EBCT. In half of the patients, an...

Women are receiving less aggressive treatment for chest pain and heart attacks than men, study finds

...rates of invasive procedures that generally follow angiography were also lower among women than men. Women were 35 percent less likely to undergo angioplasty or coronary artery bypass graft surgery, treatments that reopen blocked blood vessels or reroute blood through newly created arteries. "Even high-risk wome...

Pretreating vein graft does not help prevent graft failure in coronary artery bypass surgery

...percent) either died (n=91) or underwent follow-up angiography (n=1,829). The researchers found that edifoligide had no effect on the primary end point of per patient vein graft failure (436 [45.2 percent] of 965 patients in the edifoligide group vs. 442 [46.3 percent] of 955 patients in the placebo group; or on...

NHLBI research highlights at American Heart Association's scientific sessions

...opausal and 104 premenopausal) undergoing coronary angiography for suspected myocardial ischemia, a heart condition characterized by reduced blood flow. Hormones measured included estradiol, estrone, FSH, LH, free testosterone, sex-hormone binding globulin, androstenedione, and DHEA-S. Glucose and insulin were ...

Pitt reports re-opening of carotid arteries in stroke has high success rate with stenting

...atients with acute carotid occlusion who underwent angiography with the intent to revascularize the occlusion from January 2002 to March 2005. Researchers concluded that recanalization, or re-opening of the artery, was successful in 23 of the 25 patients, and that the procedure was done safely. "The main finding...

MDCT angiography for cardiac imaging: Reliable tool, less invasive, fewer complications

...first of its kind, compared ECG-gated cardiac MDCT angiography to conventional angiography. "MDCT angiography is a reliable alternative to invasive conventional coronary angiography, and should be used to evalu...

Drug-ultrasound combination increases reopening of blocked arteries after stroke

...roke. Subjects were then immediately taken for an angiography where a microcatheter (small tube) was placed into a groin artery and threaded to the site of the blocked artery in their brain. Twenty-one participants without a visible and treatable clot received no additional therapy. The remainder of participant...

Anti-depressant use associated with increased risk for heart patients

...e University Hospital patients receiving a cardiac angiography procedure to determine the extent of blockage in their coronary arteries. Of the total number of patients, just under one in five (19.4 percent) were taking an antidepressant; with SSRIs being taken by 66 percent of those patients. During their hospi...

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