A Surgical Semiconductor Laser With More Precision And Power
...as "filamentation" -- Agrawal and Marciantepropose inserting two extra layers of slightly modified semiconducti... bending before,"Marciante says. "The layers we're inserting induce negative bending, resulting in a net bend of zero for the laser beamand keeping it sharply fo...Stents Work Well, But Are Costly: Will Hospitals Continue To Use Them?
...ients, that extra expense is well worthit, because inserting a stent structure in an artery has been proven toreduce the rate of recurrent blockages in the artery, Peterson said. But, depending on who is paying the bill, he said these procedures maybe a bad financial deal for the hospital. Medicare gives ...New Ultrasound Technique Is Alternative To Cerebral Angiography
...ine whether surgery is needed. This methodinvolves inserting a catheter in the leg and following the arteries up into thehead. There, a dye is released into the blood that can be seen on x-rays. But the catheter itself can rupture the plaque and send pieces into thebrain, or trigger an arterial respon...First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds
...he 14th week 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,sci...Treatment For Cancer May No Longer Be As Grim As The Disease
... removed a painful bone tumour from a girl's legby inserting the wire through a small hole in her femur. Param Sharma, an electrophysiologist at the University of Arizona, saysradio-frequency ablation is already widely used to treat certain heartarrhythmias by destroying wayward pacemaker cells. He say...Discovery May Boost Effectiveness Of Chemotherapy
...hanging non-resistant cells into resistant ones by inserting the BCRP gene intothem. "Drug resistance is a big problem for many patients with cancer," saysDr. Doyle. "We are trying to determine which cancers have this type ofresistance. In the future, we may be able to help our patients by addingcompo...Patient Workshop On Trigeminal Neuralgia Scheduled
...s meticulously separate the bloodvessel and nerve, inserting a Teflon disk between them. Upon completion of thisprocedure, patients often report immediate and complete relief from the pain,which can be so intense that it causes a sufferer's head to snap back or resultsin temporary immobility. Cedars-Sinai Skul...Routine Use Of Coronary Stents Found To Yield Better Outcomes, Be More Cost-Effective
...rtery open. PTCA, or balloon angioplasty, involves inserting a balloon through a catheterand inflating it to compress arterial plaque and enlarge the blood vessel soblood can flow more easily. The balloon is then deflated and the catheters arewithdrawn. Forty-four participating centers in the U.S. and Canada...Penn Researchers Find Chemoembolization Effective For Liver Tumors
... a small needlepuncture in the patient's groin and inserting a catheter, or tinytube, into the liver's hepatic artery. Using a moving X-Ray, thearteries to the liver are identified and three chemotherapy drugsare delivered directly to the hepatic artery leading to the tumor-- thus sparing healthier liver tissu...... for its higher cost. The brief procedure involves inserting a swab into the anal canal and removingit. It causes mild discomfort. The study does not conclude that practitioners should immediately begin offeringthe simple screening procedure. "This study provides an important piece of additional evidence that ...UI-led study indicates surgery is the best treatment for severe Bell's palsy paralysis
...eive electromyography (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. Ho...To build a better artificial hip, UD prof says, mimic Mother Nature
... successful so far, Santare says. But,Miller says, inserting bolts into the femur could increase the risk of cracks. Taking a tip from nature To reduce stress shielding and prevent bone atrophy, Santare and Advani firstmodeled the function of a healthy hip--thanks to the National Center forSupercomputing Ap...Northwestern researchers present findings at Neuroscience Meeting
...disease. In addition, improved and safermethods of inserting genes into the brain must be developed. The Northwesternresearchers are pursuing both avenues of research. Bohn can be reached during the Neuroscience Meeting at m-bohn@nwu.edu or throughher office in Chicago at (773) 868-8052. Northwestern rese...Jefferson scientists hope to perfect gene therapy without viruses
... the E. coli bacterium as a gene delivery vehicle, inserting a gene for antibiotic resistance into a segment of DNA. "This is the first time it [gene therapy] was done this way," says Dr. Wickstrom, who is also a member of Jefferson's Kimmel Cancer Center. "The transposon inserted in exactly the right place an...Device is safer than tape or sutures in securing catheters in ill children
...isk of accidental needlesticks that may occur when inserting sutures. "We found advantages for both patients and healthcare providers," said Gregory J. Schears, M.D., an intensive-care physician in the Division of Critical Care Medicine at Childrens Hospital, and lead author of the study. Dr. Schears presented...Ultrasonic microprobe may rapidly detect, identify cancer
...nosis of cancer, without the need of a scalpel. By inserting a miniature probe into a tumor and using pulses of...nd minimally invasive procedure, Zachary said. By inserting the probe into a tumor and displaying the image on a monitor, we could identify and classify the tum...Death after inserting Hickman line was probably avoidable
... 15 year old girl in 1998 due to a complication of inserting a Hickman line could have been avoided if the length of introducers used in these procedures was reduced, argues a consultant surgeon in this weeks BMJ. He believes that a major factor is the design of the equipment, and in particular the length of ...Medicine implants drastically reduce stroke complications
... this study, vasospasm was completely prevented by inserting the pellets of the medication next to the arteries where vasospasm was most likely to occur.The new drug delivery system, implanted during surgery, uses a calcium-channel blocker, which dilates the blood vessel. The 20 patients in this study had SAH....Fantastic Voyage -- Filled buckeyball now a step closer to becoming a drug-delivery device
...arry Dorn, known for having developed a method for inserting metal atoms inside of fullerenes, creating a novel family of molecules and the architecture for a new field of chemistry. These filled fullerenes (metallofullerenes) are now being developed as improved MRI reagents, and other non-medical applications......not improve the long-term outcome either. Although inserting another stent into the narrowed artery will solve the problem in a short time, some of the vessels will again narrow, explains Yoshihiro Morino, M.D., a research fellow at Stanford University Medical Center, Stanford, Calif. The question of whether t...