Tag: "needle" at medical news

MRI-Guided Cancer Surgery

...ure, Lewin inserts a probe resembling a hypodermic needle into the patients abdomen. He guides the tip of the probe into the heart of the tumor using magnetic resonance imaging (MRI) techniques designed in the laboratory of biomedical engineer Jeffrey Duerk, Ph.D. The probe emits radio waves that he...

Penn Researchers Create Drug To Help Target Attack On Cancerous Tumors

...of measuring hypoxia is also employed where a thin needle electrode is inserted into the tumor to measure the oxygen content. The needle electrode measures the amount of oxygen along the track of the needle. "Using the needle electrode i...

First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds

... of pregnancy. Amniocentesis involves inserting a needle into theuterus to withdraw fetal cells from the amniotic fluid, for later chromosomalanalysis. The procedure carries with it a 0.5 percent risk of miscarriage. Because of the invasiveness, risk, and cost of cvs and amniocentesis,scientists h...

One-Time Needles Don't Reduce HIV Among Addicts, Study Shows

...ase, introducing the new syringes into the current needle populationcould change HIV risks, and not necessar.... Kaplan, the author of a seminal study supporting needle exchange programs,will speak on AIDS and Israel's blood supply at the 12th World AIDS Conferencein G...

Tiny Pellets Could Deliver Alzheimer's Drugs

... injected directly into the brain via a large-bore needle or catheter. Belcheva has modified the NGF molecule chemically so that it will bind with the polymer. The microspheres have not yet been tested in rat brains. Saltzman speculates that this drug delivery system might well offer a one-time treatment ...

Call To Needle Times After Acute Myocardial Infarction In Urban And Rural Areas In Northeast Scotland: Prospective Observational Study

(Call to needle times after acute myocardial infarction in urban and rural areas in northeast Scotland: prospective observational study) Acute myocardial infarction (death of part of the heart muscle) is most often due to coronary thrombosis (a blood clot). Throm...

AIDS Prevention: Does It Work? Paper Suggests New Way To Assess Prevention Programs

...mpaigns, group counseling,condom distribution, and needle exchange programs. In a departure, the model measures not only a program's success at educatingthose at risk but also actual changes in behavior - a more direct indicator oflikeliness to contract or avoid contracting HIV. The researchers argue thatme...

Combined Use Of New, Non-Invasive Screening Techniques In First Trimester May Yield Earlier Evidence Of Fetal Birth Defects

...eter placed in the placenta through the cervix ora needle placed in the placenta through the abdomen. Amnioc...is is similar toCVS because it is performed with a needle inserted through the abdomen. "Some women do not undertake CVS or amniocentesis -- even if ...

Radically New Type Of Surgery Tested On First Patient

..., for example, neurosurgeons manually push a rigid needle toward atumor, passing through whatever lies en route. The MSS, which looks like amagnetic resonance imager, directs a catheter to a predetermined part of thebrain along a pathway planned by the surgeon. Matthew A. Howard III, M.D., associate profes...

Despite Progress, More Action Needed To Protect Medical Students From Exposure To Disease Through Accidental Needlesticks, UCSF Study Finds

...rkers involved in a procedure. The availability of needle safety devices -- designed to shield the needle afterit punctures the skin -- did not prevent injuries in all cases, the study found. In the cases w...

Cedars-Sinai Medical Center's Prenatal Program Pushes the Frontiers of Diagnosis From the Second Trimester Into the First

...to 18 weeks gestation. Thephysician inserts a thin needle through the abdomen, into the uterus and intothe amniotic sac. A small amount of fluid -- which contains discarded cells fromthe developing fetus -- is withdrawn. The cells are later cultured and examinedmicroscopically. CVS can be done as early as 1...

Tiny Tools Give New Meaning To 'Cutting Edge'

...ss"ultrasonic needles made from silicon. How can a needle be painless? Lal said it's another feature of ultr...f tissue is what tends to cause pain. Anultrasonic needle will create similar needle-tissue interactions that reducepain. The immediate applications could be ...

New Cancer Procedure At Wake Forest University Baptist Medical Center Offers Hope

...iofrequency Energy. It involvesinserting a special needle into the tumor, using ultrasound equipment as agui... tissue and obliterate the tumor. "The tip of the needle emits radiofrequency energy, akin to microwave energy,and the tissue around the needle tip is destro...

Do Neurons Learn By Growing Thorns? Emergence Of Dendritic Spines Is Associated With Long-Term Synaptic Plasticity

...emorphology, but it was the literal search for the needle in the haystack sincethe researchers did not precisely know where the spine changes would occur. Themicro-superfusion technique then was crucial to overcome this problem. Itallowed to reduce synaptic transmission and therefore the potential site ofmo...

New studies of a liquid of life -- Lung surfactant

...pse. Ding explained the use of a magnetic needle viscometer along withfluorescence microscopy, Brewster Angle Microscopy and Atomic Force Microscopyto study model surfactant systems, as well as natural surfactants, to determinethe relationship between lung surfactant components and monolayer viscos...

Renowned researcher in prenatal diagnostics joins Cedars-Sinai Medical Center

...uring this procedure, the physician inserts a thin needle through the abdomen,into the uterus and into the amniotic sac. A small amount of fluid - whichcontains discarded cells from the developing fetus - is withdrawn. The cells arelater cultured and examined microscopically. CVS can be done as early as 10 ...

New nasal obstruction procedure offers cheaper, pain-free alternative to surgery

...rocedure works like this: thedoctor introduces the needle into the turbinate, the thin, membrane-covered bon...hat tissue fills up soreadily with blood. When the needle is stuck into the turbinate, it creates ascar and shrinks it down, so that it can't swell up like be...

UI-led study indicates surgery is the best treatment for severe Bell's palsy paralysis

...myography (EMG) testing, whichinvolves inserting a needle electrode in the face and measuring a patient'sability to make forceful contractions. If the patient fails to demonstratevoluntary motor function using EMG, the patient likely has only a 42 percentchance of normal or near-normal recovery. However, if...

UF study shows contemporary method accurately predicts cancer risk

...logy meeting in Sacramento, Calif. The test, fine needle aspiration biopsy, is an increasingly popular meth... a much larger amount of tissue. In contrast, fine needle aspiration biopsy -- commonly called FNAB -- is no more invasive, uncomfortable or time-consuming th...

UCSF Psychiatry Department receives grant to study innovative drug and substance abuse treatments

...sn't treatment as usual: doctors or nursesnoticing needle marks on a patient's arms, treating them and giving them a referral to a treatmentprogram, said James Sorensen, PhD, adjunct professor of psychiatry and co- principal investigator whois based at the UCSF-affiliated San Francisco General Hospital Medi...

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(Date:12/17/2014)... -- Expectant parents should leave prenatal picture-taking to medical ... Use of ultrasound imaging and heartbeat monitors to get ... agency warns. "Although there is a lack ... and heartbeat monitors, prudent use of these devices by ... FDA biomedical engineer, said in an agency news release. ...
(Date:12/17/2014)... HealthDay Reporter , TUESDAY, Dec. 16, ... America, and work commitment is a big reason why, new ... said Dr. Mathias Basner, an assistant professor of sleep and ... of Medicine. A time-use survey of nearly 125,000 Americans, ... main activity exchanged for sleep. Short sleepers -- those who ...
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