Tag: "accuracy" at medical news

Digital Speech Analysis Tests Sobriety

...h and thatproduced under emotional stress, with an accuracy rate of over 90percent. For her current research, Cummings said, "the idea is, can we do thesame thing with sober versus intoxicated speech? If we have a sample ofsomebody's speech from an accident or at a particular time, can weanalyze it and say, ...

Study Finds Incidence Of Stroke Over 40 Percent Higher Than Previously Stated Figures

...s for acute stroke, we can now project withgreater accuracy those parts of the population who will benefit and planaccordingly." Broderick says that this population was selected for the University ofCincinnati study, because it is more representative of the racial and economicdiversity of the United ...

Penn Researchers Create Drug To Help Target Attack On Cancerous Tumors

... the entire tumor. Hopefully, it will increase the accuracy of tumor hypoxia diagnosis," Koch explains. In the future, Penn researchers hope to adapt the EF5 technique for use with the Positron Emission Tomography (PET) imaging, which will allow for a non-invasive procedure of identifying the oxygen c...

New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?

...s in there. The researchers demonstrated the accuracy of their math by comparing normalanimalbrain activity to abnormal activity caused by decreased oxygen in the blood. Theteam loweredthe amount of oxygen in animals for about 45 minutes, then recorded changes inMRI signals dueto the decrease in the num...

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

...e free betasubunit tests with the protein A tests, accuracy increased. The detection ratefor hCG and protein A tests combined was 63 percent, and the detection rate forthe beta subunit and protein A combined was 60 percent. Thus, this screeningprocedure permits identification of over 60 percent of women car...

BioNumerik Reports The Supercomputer Supported Discovery Of New, Non-Toxic Chemotherapy Protecting Agent

...atinum typedrugs and related species with far more accuracy than previously possible. In the paper, BioNumerik researchers report preclinical animal data showing thatBNP7787 can completely protect against cisplatin-induced kidney toxicity,vomiting and bone marrow toxicities while increasing cisplatin's antit...

Clinical Trials Announced Using Non-Invasive Innovative MRI To Diagnose Breast Tumors

...artment of Radiology, commented: "This testing for accuracy of the Degani method and subsequent comparison with high resolution magnetic imaging could revolutionize breast tumor management and cancer diagnosis in other parts of thebody as well." "By avoiding biopsy for most breast tumors we can reduce the ...

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

...ter (12 to 24 weeks ofpregnancy), are offered. The accuracy of CVS and amniocentesis is very close to100 percent. However, both procedures carry a risk of losing the pregnancybecause they are invasive. CVS uses either a catheter placed in the placenta through the cervix ora needle placed in the place...

Magnetic Surgery System Tested Successfully On First Patient

...cess remote areas of the body,improving diagnostic accuracy and treatment outcomes," said Hogg. "Thisclinical trial is an important step in demonstrating the effectiveness of thisnew model of interventional medicine." Following the first clinical trial of the magnetic surgery system, Stereotaxiswill submit t...

UI Study Finds Many Physicians Withhold Pain Medication

...ecause thedoctors believe the drugs may affect the accuracy of their diagnoses, aUniversity of Iowa survey fou... how administeringpain medication might affect the accuracy of their diagnoses. Sixty-sevenpercent of survey respondents indicated that drugs hindered their abi...

Cedars-Sinai Medical Center Specialist Addresses Neonatal Issues At Annual Meeting Of The Pediatric Academic Societies

...ese PMM systems to assist inventilator management, accuracy and reliability are critical, but varioussystems differ in working principle and sensor location, depending onmanufacturer. This study of three manufacturers' ventilators was designed to determine ifmeasured expiratory tidal volume (Vte) accurately ...

Testosterone Is Mixed Blessing To Men's Health

...amples can be obtained with minimal effort and the accuracy of salivaassays has substantially improved in recent years."...

Noninvasive test aims to prevent sudden cardiac death

...s also suggest several ways to further improve the accuracy of the test. When Smith was a graduate student at the Massachusetts Institute of Technology, he read that sudden cardiac death was the major challenge facing contemporary cardiology. "I couldn't have asked for a more important problem to work on --...

Can a terminally ill person want to hasten death and be mentally competent?

... However, psychologists' level ofconfidence in the accuracy of an assessment to determine whether a psychiatricdisorder is impairing judgement varied with the nature of the evaluation. Whenplaced in the context of a single evaluation, only seven percent of therespondents were 'very confident' in the results....

3-D magnetic resonance imaging safer way to diagnose heart disease

...ms. The team has initiated a study to examine the accuracy of this MRA techniquecompared to X-ray angiography at eight medical centers around the world, saysManning. Another advantage of the MRA technique is that it also can be used to evaluatethe anatomy, contractility, perfusion and valvular function of th...

Many patients taking drugs for chest pain even after chest pain is gone; gamma knife a good alternative to surgery for many brain problems

...r dose-planning software, the gammaknife's working accuracy is considered to be 1 millimeter or less. Not all tumors and brain abnormalities can be treated with the gamma knife. Dr.Pollock says he refers 30 percent to 40 percent of cases sent to him to surgeryor outpatient radiation therapy. Dr. Pollock and ...

3-D echocardiography reduces examination times and dramatically improves accuracy of the most common diagnostic test for heart function

...e faster, more precise measurements, enhancing the accuracy of theirdecisions. The additional information aids in determining the degree of heartfailure or wall damage. With this information, physicians can determine if thepatient's heart would benefit from cardiac bypass surgery, or is strong enoughto with...

Bullying is not limited to unpopular loners, say researchers; many childrenbully each other especially in middle school

...students from a Midwestern school thatexamined the accuracy of teacher ratings, peer ratings and self-ratings ofbullies and victims of bullies found similar results. Researchers Diana L.Paulk, Ed.S., Susan M. Swearer, Ph.D., Sam Song, M.Ed., and Paulette Tam Carey,M.A., of the University of Nebraska-Lincoln,...

Renowned researcher in prenatal diagnostics joins Cedars-Sinai Medical Center

....Snijders. "We want to see whether 3D improves the accuracy and reproducibilityof the neck measurement. In addition, if we find an increased fluid collectionor something that appears suspicious in two-dimensional ultrasound, we want tosee whether three-dimensional ultrasound can give us clues as to whether or...

Researchers advocate improved breast cancer screening techniques

...ed examination to improvephysicians' precision and accuracy BOSTON, MA - September 30, 1999 - Standardized ...nation techniques are neededto improve physicians' accuracy in screening for breast cancer, according to areview article in the October 6, 1999 edition of the J...

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