Sentences with phrase «in ablation»

Assuming the warming to be uniform underestimates the threshold, because warming is projected by GCMs to be weaker in the ablation area and in summer, when ablation occurs.
van den Broeke, M. R., C. J. P. P. Smeets, and R. S. W. van de Wal (2011), The seasonal cycle and interannual variability of surface energy balance and melt in the ablation zone of the west Greenland ice sheet, Cryosphere, 5, 377 — 390.
This positive feedback gives rise to high concentrations of impurities in the ablation zones in particular.
A recent article in Science has an alarming title: «Large and Rapid Melt - Induced Velocity Changes in the Ablation Zone of the Greenland Ice Sheet.»
The specific surface mass balance is positive in the accumulation area and negative in the ablation area.
It explains why, in glaciers that are mostly cold, the ice at high altitude in the accumulation zone is usually warmer than the ice at lower altitude in the ablation zone.
The accumulation area decreased by 24.8 %, while ablation area increased by 17.7 % with nearly 6 % increase in debris - cover surface in ablation zone in 1958 to 2011.
The North Cascade Glacier Climate Project (NCGCP), utilizes the highest density of measurements 240 points / km2 in the accumulation zone and 10 points / km2 in the ablation zone.
This narrow range indicates that late in the ablation season the density of snowpack on North Cascade glaciers is uniform, and need not be measured to determine mass balance.
This estimate is based on the standard deviation in ablation along 50 m long transects with ablation stakes placed 5 m apart.
«Large and Rapid Melt - Induced Velocity Changes in the Ablation Zone of the Greenland Ice Sheet.»
Recurrence of an atrial tachyarrhythmia lasting longer than 30 seconds (the primary measured outcome) occurred more often in the antiarrhythmic drug group than in the ablation group, 44 patients (72 percent) vs. 36 patients (55 percent).
Symptomatic recurrence of abnormal rhythm was more common with drug treatment, 36 patients (59 percent) in the antiarrhythmic drug group compared with 31 patients (47 percent) in the ablation group.
Patients in the ablation group experienced lower overall mortality (28 %; 51/179) compared to the medication group (46 %; 82/184).

Not exact matches

Measurements of the ablation - front trajectory and low - mode nonuniformity in direct - drive implosions using x-ray self - emission shadowgraphy
Progress in indirect and direct - drive planar experiments on hydrodynamic instabilities at the ablation front
Experimental investigations of ablation stream interaction dynamics in tungsten wire arrays: Interpenetration, magnetic field advection, and ion deflection
It markets Genesys Hydro ThermAblator (HTA) system, an ablation system designed to ablate the endometrial lining of the uterus in premenopausal women with menorrhagia.
In a revealing and honest post, Carrick says he had issues with an irregular heart rhythm and had a procedure called a «Cardiac Ablation».
Irregular / heavy menstrual bleeding can be treated in several ways: 1) Hormonal medication (a low dose birth control pill or cyclic progestin); 2) A hormone - containing intrauterine device (the most common one used is the Mirena IUD, which manages bleeding very effectively and is placed during an office visit and lasts for 5 years); 3) Endometrial ablation is a surgery commonly performed as an outpatient procedure; the entire lining of the uterus is cauterized (many women never get a menstrual period after an ablation); 4) Finally, I reserve hysterectomy as the treatment of last resort — typically only when the above options have not worked for a patient.
Fetofetal Transfusion Syndrome in Monochorionic - Triamniotic Triplets Treated with Fetoscopic Laser Ablation: Report of Two Cases and A Systematic Review.
Treatments include drugs to regulate the electrical pulses in the upper chambers of the heart and 3/4 increasingly 3/4 catheter ablation.
They expected those people with values lower than 2.86 percent to be better candidates for ablation because atrial fibrillation would be less likely to recur than in those people with more than the 2.86 percent cutoff.
He was initiated into life in a laboratory in the final year of his degree, spending 6 months designing laser ablation experiments to make thin films of superconducting materials.
The researchers then analyzed various characteristics of the imaging scans from 208 people in a subgroup: 107 of the people with successful ablations compared to 101 of those with failed ablations.
In addition to MV repair, 17.1 % of patients also underwent coronary artery bypass, 11.2 % had surgical ablation to treat atrial fibrillation (the maze procedure), and 4.7 % had tricuspid annuloplasty to surgically repair the tricuspid valve using an annuloplasty ring.
«Our study suggests that in patients with heart failure and atrial fibrillation, catheter ablation is an effective alternative treatment that can help patients avoid or discontinue this drug to reduce the risk of these long - term side effects.»
In the new study, 71 percent of patients treated with a surgical procedure called catheter ablation were free of atrial fibrillation, the study's primary endpoint, after two years of follow - up, while only 34 percent of patients who took the antiarrhythmic drug Amiodarone were free of symptoms at that point.
In addition, many patients in the study required more than one ablation procedure to achieve freedom from atrial fibrillatioIn addition, many patients in the study required more than one ablation procedure to achieve freedom from atrial fibrillatioin the study required more than one ablation procedure to achieve freedom from atrial fibrillation.
In addition to having a higher rate of freedom from atrial fibrillation, participants who underwent catheter ablation also had lower rates of hospitalization and mortality during the two - year follow up.
In catheter ablation, an electrophysiologist inserts a catheter (thin flexible tube) in a groin artery and guides it through blood vessels to the hearIn catheter ablation, an electrophysiologist inserts a catheter (thin flexible tube) in a groin artery and guides it through blood vessels to the hearin a groin artery and guides it through blood vessels to the heart.
Finally, they used a technique called genetic ablation to kill the amacrine cells and horizontal cells altogether and found this resulted in a lack of normal vessel growth in the intermediate layer.
In effect, this UAV survey across the ablation zone of the ice sheet perfectly bridges the gap between people on the ground studying what's under their feet in just one part of the ice sheet, and the satellite data that shows what's going on across the entire ice sheeIn effect, this UAV survey across the ablation zone of the ice sheet perfectly bridges the gap between people on the ground studying what's under their feet in just one part of the ice sheet, and the satellite data that shows what's going on across the entire ice sheein just one part of the ice sheet, and the satellite data that shows what's going on across the entire ice sheet.
Itch responses were blocked by toxin - mediated ablation of Nppb - receptor — expressing cells, but a second neuropeptide, gastrin - releasing peptide, still induced strong responses in the toxin - treated animals.
«For the first time in a randomized study, the strategy of catheter ablation for atrial fibrillation may be better than the current approach for these patients.
Ablation of Amtn expression resulted in weak mandibular incisor - edge enamel that fractured and chipped.
«Tattoo removal can be likely improved by combining laser surgery with the transient ablation of the macrophages present in the tattoo area,» says Malissen.
Ablation also led to an 11 percent reduction in risk for health care for AF but only a negligible drop in risk for acute stroke.
This will reduce the chances of complications occurring during routine but skilled procedures such as ablation procedures in the heart.
«However, we believe our study findings, in combination with the previous literature and our clinical experience, are sufficient to support catheter ablation as first - line treatment for AFL,» Marcus said.
Of the 33,004 patients with an AFL diagnosis (in the absence of an AF diagnosis) and who were observed an average of 2.1 years, 2,733 (8.2 percent) received a catheter ablation.
Dr. Kapural and coauthors conclude, «Nonetheless, the findings of this study indicate that CRFA for genicular nerve ablation is superior to a single corticosteroid injection in osteoarthritic subjects for management of knee pain.»
For patients with osteoarthritis of the knee, a minimally invasive procedure called cooled radiofrequency ablation (CRFA) provides better pain reduction and functional improvement compared to steroid injection of the knee, concludes a study in Regional Anesthesia & Pain Medicine, published by Wolters Kluwer.
Radio frequency ablation during laparoscopy is useful for destruction of fibroids during laparoscopy that would be difficult to remove in this minimally invasive way.
The authors conclude that recurrence of an atrial tachyarrhythmia was frequent in both groups, and that when offering ablation as a therapeutic option to patients with paroxysmal AF who have not previously received antiarrhythmic drugs, the risks and benefits need to be discussed and treatment strategy individually recommended.
Among patients with untreated paroxysmal (intermittent) atrial fibrillation (AF), treatment with electrical energy (radiofrequency ablation) resulted in a lower rate of abnormal atrial rhythms and episodes of AF, according to a study in the February 19 issue of JAMA.
He hopes to test the device in other surgeries, such as ablation — which involves burning away a small amount of heart muscle to correct an abnormal beat — and is already dreaming of new adventures with other snake - bots.
Carlos A. Morillo, M.D., F.R.C.P.C., of McMaster University, Hamilton, Canada, and colleagues compared ablation to drug treatment as first - line therapy in patients with paroxysmal AF who had not previously received treatment.
In a second step, by capitalizing on their expertise in the field of laser ablation, they decorated these graphenated - MWCNT (g - MWCNT) structures with 2 - 3 nm - diameter gold nanoparticles (Au - NPIn a second step, by capitalizing on their expertise in the field of laser ablation, they decorated these graphenated - MWCNT (g - MWCNT) structures with 2 - 3 nm - diameter gold nanoparticles (Au - NPin the field of laser ablation, they decorated these graphenated - MWCNT (g - MWCNT) structures with 2 - 3 nm - diameter gold nanoparticles (Au - NP).
While on one hand, there is significant potential in the application of nanoparticles in enhancing heat transfer for tumor ablation and targeted drug delivery, there is also much promise in improving imaging and diagnostic protocols using them.
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