Tag: "ultrasound" at medical news
Duke engineers developing ultrasound devices combining 3-D imaging with therapeutic heating
...ay enable physicians to someday use high frequency ultrasound
waves both to visualize the heart's interior in th... arrhythmias. "No one else has developed a way for ultrasound
to combine therapy and imaging in a catheter, let alone 3-D imaging," said Stephen Smith, the biomed...
Penn researchers study the use of ultrasound for treatment of cancer
(Philadelphia, PA) For the first time, ultrasound
is being used in animal models to treat cancer by...icine completed a study in mice in which they used ultrasound
both to see a tumor's blood perfusion and then to treat it with a continuous wave of low-level ultra...
Clinical trials with immunotherapy for breast and colorectal cancer
...nto a metastatic tumor in the liver. We perform an ultrasound
exam at the same time to track the needles so that we can deliver the virus to the correct location. The entire procedure can be completed within half an hour."...
Bladder problems increase in men as they age, Mayo Clinic study reports
...ual test involved men urinating and then having an ultrasound
scan to determine how much urine remained in the bladder. The voided volume test measured how much urine men could void with a full bladder. Dr. Rule said that both tests are difficult to interpret in a patient because they can yield varying results ...
Low-echo choir, frog voice recognition, acoustic fire extinguisher
...n they are outnumbered and should keep quiet? Can ultrasound
interact with audible music in such a way as to enhance listeners' enjoyment of the music? Are student musicians in marching bands at risk for hearing loss? These and other questions are addressed in lay-language papers for the joint meeting of the...
Fetal brain imaging
...id Dr. Hosseinzadeh. It is usually performed when ultrasound
is inconclusive or further information is required that may change the management of the pregnancy, he said. "Although no deleterious effects have been noted from MRI to the unborn fetus, we make every effort to minimize exposure of the fetus to the...
Real-time MRI helps doctors assess beating heart in fetus
...entricles. Echocardiography, which uses reflected ultrasound
waves to produce images, may allow physicians to estimate such volumes, but only if the heart has a normal shape. "Many heart diseases involve abnormal shapes, and accurately measuring ventricular volume in such cases is important in assessing how we...
Optical imaging added to ultrasound improves breast cancer diagnosis
...technology called optical tomography with standard ultrasound
imaging can help distinguish early-stage breast ca...University of Connecticut in Storrs. By combining ultrasound
with optical tomography, which employs diffused light in the near infrared (NIR) spectrum, the resea...
From aircraft aerodynamics to improved heart implants
...at has limited the efficiency of implants. Though ultrasound
scans allow doctors to view potential problems with the natural heart, as well as locally in the circulatory system, they fall short of providing a detailed analysis of the causes of problems related to blood flow when modified by artificial implante...
Post-stroke tests not used often enough, especially in women
...iogram of their heart, a test similar to pregnancy ultrasound
that creates a movie of the heart and can looks fo... look at their hearts. TTEs are performed using an ultrasound
device outside the body, while TEEs use a scope inserted down the throat to get a better look at the...
Univ. of Cincinnati receives $17.4 million grant to lead stroke study
...d brain artery through a catheter (tube) that uses ultrasound
to break up clots, or a reduced tPA dose and removal of the clot using a mechanical device called a Merci Retriever. "Cardiologists have used combinations of drugs and devices to unblock heart arteries for several years. We hope that this trial can ...
At Johns Hopkins: Emphasis on improved care and faster access to services shortens hospital stays
... a nagging problem of one-day or two-day waits for ultrasound
results, which are needed to update a patient's co...ed to a policy of "same-day" discharge service for ultrasound
procedures and revised its lab hours when necessary to accommodate the workload. As a result, lengt...
New Investigator Award presented at the 2005 AIUM Annual Convention
... to gain experience with performing and presenting ultrasound
research early in their academic careers. The award with a prize of $1000, is presented each year to a new investigator (resident, fellow, faculty member, or sonographer in practice fewer than 5 years) who presents the best scientific abstract. Dr....
Mayo Clinic researchers use ultrasound to describe subtle heart muscle motions
... in the motion of the heart that are measurable by ultrasound
and may improve understanding of heart function, a...," says Marek Belohlavek, M.D., Ph.D., Mayo Clinic ultrasound
imaging specialist and senior researcher of the study. "These methods could improve our chances in p...
Minimally invasive solid tumor biopsy may replace surgery to get diagnostic specimens
...r. Hoffer performed the biopsies guided usually by ultrasound
or CT scans to obtain images inside the patient as he inserted and manipulated the hollow biopsy needles in order to obtain cores of tumor samples. The biopsy samples were analyzed using histopathologic techniques (studying the tissue under a micro...
Children's Hospital Oakland new sickle cell research
... to measure amino acids and arginase activity. An ultrasound
of their heart and lung vessels was also conducted. A total of 18 patients with sickle cell disease died during the study, 14 of whom had pulmonary hypertension identified at enrollment. Consequently, patients with low amino acid ratios were 3.6 ti...
Catchers mitts don't provide enough protection
...her study into glove design." The researchers used ultrasound
and other testing to look at blood circulation in the hands. They also looked for enlarged fingers, a sign of injury, and asked players about hand symptoms. Circulation testing revealed abnormalities in blood flow to the gloved hands of catchers. In ...
Special scalpel reduces blood loss, facial nerve trauma in salivary surgery
A harmonic scalpel that uses ultrasound
to coagulate as it cuts can reduce blood loss and postoperative facial paralysis in patients who need a portion of their salivary gland removed, surgeons say. Infection of the sponge-like parotid gland is uncomfortable but temporary, says Dr. Christi...
Radiofrequency ablation is effective long-term treatment for kidney tumors
...ures. Placement of the probe is guided by CT scan, ultrasound
or other imaging techniques. Widely used to treat cardiac arrhythmias, RFA is also being investigated for destruction of small liver tumors and has been used for more than ten years to treat a benign bone tumor called osteoid osteoma. For more than s...
Female volunteers prepare for a second 'bedrest'
...ish or French. During the experiment, analyses and ultrasound
tests will be carried out on the volunteers every day to prevent the risk of thrombosis....
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