Current Catheter News and Events

Current Catheter News and Events, Catheter News Articles.
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Nanodroplets and ultrasound 'drills' prove effective at tackling tough blood clots
Engineering researchers have developed a new technique for eliminating particularly tough blood clots, using engineered nanodroplets and an ultrasound ''drill'' to break up the clots from the inside out. The technique has not yet gone through clinical testing. In vitro testing has shown promising results. (2021-01-07)

Scoring system improves screening for "dual" heart disease
Aortic stenosis is one of the most common heart valve defects. As well as conventional valve replacement involving open-heart surgery, a less invasive procedure has now been available for some time in the form of transcatheter aortic valve replacement (TAVR). (2020-11-24)

Magnetic spray: Giving inanimate objects new bionergy
Recently, researchers from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences, together with the City University of Hong Kong (CityU), have developed an agglutinate, reprogrammable, disintegrable and biocompatible magnetic spray (M-spray) that can easily turn inanimate objects into millirobots. (2020-11-18)

New protein imaging method paves way for next generation biomaterials and tissue analysis
Scientists have established a new method to image proteins that could lead to new discoveries in disease through biological tissue and cell analysis and the development of new biomaterials that can be used for the next generation of drug delivery systems and medical devices. (2020-11-17)

Minimally invasive Ellipsys system creates fused, permanent vascular access for dialysis
A new case report published in the Journal of Vascular Surgery provides one of the first known opportunities to directly visualize the permanent and fused connection (anastomosis) that is created with the minimally invasive Ellipsys® Vascular Access System. (2020-10-30)

Shot of alcohol can help an irregular heartbeat
Research out in this week's issue of JAMA confirms the success of a treatment for persistent atrial fibrillation (AFib) that combines the standard treatment, catheter ablation, with a separate infusion of ethanol, or alcohol, to the vein of Marshall. (2020-10-28)

Revealing the reason behind jet formation at the tip of laser optical fiber
When an optical fiber is immersed in liquid, a high temperature, high speed jet is discharged. Researchers expect this to be applied to medical treatment in the future. Now, a research team from Russia and Japan has explored this phenomenon further and revealed the reasons behind the jet formation. (2020-10-12)

Catheter ablation linked to reduced risk of dementia in patients with atrial fibrillation
People with atrial fibrillation have a reduced risk of dementia if they undergo a procedure called catheter ablation to restore the normal rhythm of their heart, according to a new study published in the European Heart Journal that analyses over 27,000 patients with newly diagnosed atrial fibrillation out of a population of nearly a million people. (2020-10-06)

Health care-associated infections among critically ill children
This observational study looked at changes from 2013 to 2018 in the rates of catheter-associated bloodstream and urinary tract infections among critically ill infants and children the United States. (2020-10-05)

Ellipsys system offers greater patient eligibility and reduced time to dialysis
Two devices for creating minimally invasive dialysis access--the Ellipsys® Vascular Access System and the WavelinQ™ 4F System--demonstrated high rates of technical success and low rates of complications, according to a new study published in the Journal of Vascular and Interventional Radiology. In addition, both technologies enabled patients to start dialysis sooner compared to surgery, offering significant quality-of-life benefits. (2020-09-10)

New surgical tools with smart sensors can advance cardiac surgery and therapy
Researchers developed a new class of medical instruments equipped with an advanced soft electronics system that could dramatically improve the diagnoses and treatments of a number of cardiac diseases and conditions. (2020-09-07)

Minimally invasive ellipsys system allows kidney patients to begin dialysis sooner
The Ellipsys Vascular Access System reduces the time before patients with kidney failure can start lifesaving dialysis treatments, while requiring fewer secondary procedures, according to a new study led by interventional radiologist Jeffrey Hull, M.D., of Richmond Vascular Center. (2020-09-03)

What happens when babies with heart defects become adults?
More than 90% of babies born with heart defects survive into adulthood. As a result, there are now more adults living with congenital heart disease than children. These adults have a chronic, lifelong condition and the European Society of Cardiology (ESC) has produced advice to give the best chance of a normal life. The guidelines are published online today in European Heart Journal, and on the ESC website. (2020-08-29)

Yale-led surgical innovation promises better dialysis outcomes
A new technique developed by a Yale-led research team improves blood flow in surgically made blood vessels used in dialysis, enables them to last longer, and results in fewer complications than the standard technique. (2020-08-20)

New study shows advantages of ellipsys system in creating reliable dialysis access
A new study shows significant benefits of the Ellipsys® Vascular Access System in easily and safely creating durable vascular access for end-stage renal disease (ESRD) patients who require hemodialysis. (2020-07-21)

Value-based payments disproportionately impact safety-net hospitals
A new study led by researchers at Boston Medical Center, in collaboration with Harvard Pilgrim Health Care Institute, shows that value-based incentive programs aimed at reducing health care-associated infections did not improve infection rates in either safety-net or non-safety-net hospitals. Published in JAMA Network Open, these results also demonstrate persistent disparities between infection rates at safety-net and non-safety net hospitals, with higher rates of health care-associated infections in safety-net hospitals. (2020-07-08)

Spectroscopy approach poised to improve treatment for serious heart arrhythmia
Researchers have demonstrated that a new mapping approach based on near infrared spectroscopy can distinguish between fat and muscle tissue in the heart. This distinction is critical when using radiofrequency ablation to treat a serious heart rhythm problem known as ventricular tachycardia. (2020-07-08)

Ten-year results display strong safety and efficacy profile for TPV device
Ten-year follow-up results of the US Investigational Device Exemption (IDE) Trial of the Melody transcatheter pulmonary valve (TPV) were presented today during the SCAI 2020 Scientific Sessions Virtual Conference. Findings showed favorable outcomes for long-term function, safety, and efficacy for congenital patients who underwent Melody valve implantation within an existing dysfunctional right ventricular outflow tract (RVOT) conduit or bioprosthetic pulmonary valve. (2020-05-15)

Global spread of the multi-resistant pathogen Stenotrophomonas maltophilia
An international consortium found a remarkable global spread of strains of a multi-resistant bacterium that can cause severe infections - Stenotrophomonas maltophilia. The study, published under the supervision of the Research Center Borstel Leibniz Lung Center (FZB), provides for the first time a systematic understanding of the global phylogeny of S. maltophilia strains and shows ways to efficiently monitor the pathogen using a genomic classification system. DZIF scientists from Lübeck, Borstel and Braunschweig are involved in the study. (2020-05-14)

Lighting the way to safer heart procedures
In the first study of its kind, Johns Hopkins researchers provide evidence that an alternative imaging technique could someday replace current methods that require potentially harmful radiation. (2020-04-17)

Medicare changes may increase access to TAVR
The number of hospitals providing TAVR could double with changes to Medicare requirements. Researchers see reason for both excitement and concern. (2020-04-06)

Non-invasive method to predict brain pressure
The only way to accurately measure pressure inside the skull is to insert a catheter or sensor inside. Shinshu University doctors find intracranial pressure can be predicted from the brain's natural resonance frequency, allowing for non-invasive measurement of pressure inside the skull. (2020-04-01)

Renal denervation effective in patients with untreated hypertension
Three months after undergoing renal denervation (RDN) -- a procedure that delivers energy to overactive nerves leading to the kidney to decrease their activity -- patients with untreated high blood pressure had statistically significant reductions in average blood pressure over 24 hours compared with patients who underwent a sham procedure and experienced no major adverse effects, according to results from the SPYRAL-HTN OFF MED pivotal trial presented at the American College of Cardiology's Annual Scientific Session Together with World Congress of Cardiology (ACC.20/WCC). (2020-03-30)

Ticagrelor alone, without aspirin, shows benefit in patients with diabetes
Patients with diabetes who stopped taking aspirin three months after the insertion of a coronary stent and then took the anti-platelet medication ticagrelor alone for a year had fewer episodes of bleeding and no increase in heart attacks, stroke or other adverse events caused by blockages in the arteries, compared with patients who took both aspirin and ticagrelor for a year. The research was presented at the American College of Cardiology's Annual Scientific Session Together with World Congress of Cardiology (ACC.20/WCC). (2020-03-30)

Benefit seen for ticagrelor alone, without aspirin, in patients with ACS
The research was presented at the American College of Cardiology's Annual Scientific Session Together with World Congress of Cardiology (ACC.20/WCC). (2020-03-30)

10-year data show cardiac stenting equal to CABG in preventing events
In a study with the longest follow-up to date of patients with a high-risk form of heart disease known as left main coronary artery disease (LMCAD), researchers found no significant differences in rates of death, heart attack or stroke between patients who were treated with a stent and those who underwent heart bypass surgery. The research was presented at the American College of Cardiology's Annual Scientific Session Together with World Congress of Cardiology (ACC.20/WCC). (2020-03-30)

Ultrasound solves an important clinical problem in diagnosing arrhythmia
Columbia Engineering researchers have used an ultrasound technique they pioneered a decade ago -- electromechanical wave imaging (EWI) -- to accurately localize atrial and ventricular cardiac arrhythmias in adult patients in a double-blinded clinical study. They evaluated the accuracy of EWI for localization of various arrhythmias in all four chambers of the heart prior to catheter ablation: the results showed that EWI correctly predicted 96% of arrhythmia locations as compared with 71% for 12-lead ECGs. (2020-03-25)

World's first minimally invasive tricuspid valve replacement performed in Toronto
The world's first minimally invasive tricuspid valve replacement was performed at St. Michael's Hospital of Unity Health Toronto by Drs. Neil Fam, Mark Peterson and Geraldine Ong. (2020-03-11)

New evidence supports ablation for heart failure patients with atrial fibrillation
Only 1 in 13 everyday patients could have participated in a pivotal international clinical trial looking at the use of catheter ablation to treat atrial fibrillation (AFib) among people with heart failure. However, new Mayo Clinic research provides evidence supporting the benefit of ablation, and shows what the outcomes might be for everyday patients. The Mayo study will be published in Heart Rhythm Journal. (2020-03-04)

Size-adjustable prosthetic heart valve accommodates heart growth in sheep
Taking a step towards a major goal in heart valve prosthetics, scientists have created an adaptable heart valve replacement that can be expanded over time as the heart grows. (2020-02-19)

Directly measuring function in tiny hearts
The amount of blood the heart pumps in one minute can be directly measured safely in newborns by monitoring changes in blood velocity after injecting saline, indicates the first clinical study of direct cardiac output measurement in newborns. (2020-01-08)

New study finds blood clots more likely in children who receive PICCs
A new study provides convincing evidence that the use of peripherally inserted central catheters (PICCs) to administer medicine and draw blood in children is associated with a significantly increased risk of blood clots (known as venous thromboembolism or VTE) compared with central venous catheters (CVCs) placed directly into the neck or chest. (2020-01-07)

Two-year ellipsys data featured at annual Controversies in Dialysis Access (CiDA) Meeting
A landmark two-year follow-up study on the Ellipsys® Vascular Access System was highlighted at the annual Controversies in Dialysis Access (CiDA) meeting, one of the premier dialysis access medical conferences in the world. (2019-12-18)

First US study shows strong results for procedure to treat knee pain from OA
Ari Isaacson, M.D., director of clinical research in the UNC School of Medicine's department of radiology, led a pilot study to investigate the effectiveness of using genicular artery embolization for long-term treatment of knee pain caused by osteoarthritis. (2019-12-17)

Machine learning, imaging technique may boost colon cancer diagnosis
Researchers at the McKelvey School of Engineering have devised a new imaging technique based on a technology that has been used for two decades in ophthalmology that can provide accurate, real-time, computer-aided diagnosis of colorectal cancer. (2019-12-05)

New treatment could ease the passage of kidney stones
Researchers at MIT and Massachusetts General Hospital have devised a potential new treatment that could make passing kidney stones faster and less painful, and eliminate surgery. They identified a combination of two drugs that relax the lining of the ureter and can be delivered directly with a catheter-like instrument. (2019-12-02)

Treating pulmonary embolism: How safe and effective are new devices?
A new scientific statement from the American Heart Association identifies the risks and benefits of novel interventional devices compared to anticoagulation alone in the treatment of patients with pulmonary embolism. Authors conclude there is little data -- particularly, as it pertains to the treatment of patients with 'intermediate-risk PE' -- that suggests these interventional approaches are more safe and effective than the use of anticoagulation alone. (2019-10-04)

Noninvasive radiation tx offers long-term benefits to pts with high-risk heart arrhythmia
Treating high-risk heart patients with a single, high dose of radiation therapy can dramatically reduce episodes of rapid, abnormal heartbeats for more than 2 years, offering hope to patients who have exhausted other treatment options. Findings were presented at the 61st Annual Meeting of the American Society for Radiation Oncology (ASTRO). (2019-09-26)

Success story or artificial inflation? Hospital performance in CAUTIs
A new study links changes in the way catheter-associated urinary tract infections (CAUTIs) are defined and artificially improved hospital performance scores. (2019-09-16)

Radiation therapy effective against deadly heart rhythm
A single high dose of radiation aimed at the heart significantly reduces episodes of a potentially deadly rapid heart rhythm, according to results of a phase one/two study at Washington University School of Medicine in St. Louis. (2019-09-16)

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