Current Stent News and Events

Current Stent News and Events, Stent News Articles.
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3D-printed bioresorbable airway stent
An ETH Zurich research team is using 3D printing to produce a new type of bioresorbable airway stent. This could greatly simplify the future treatment of upper airway obstruction. (2021-02-03)

Dynamic 3D printing process features a light-driven twist
The speed of light has come to 3D printing. Northwestern University engineers have developed a new method that uses light to improve 3D printing speed and precision while also, in combination with a high-precision robot arm, providing the freedom to move, rotate or dilate each layer as the structure is being built. The method introduces the 'on-the-fly' ability to manipulate the original design layer by layer and pivot the printing direction without recreating the model. (2021-02-03)

Breathing easier with a better tracheal stent
New research led by the University of Pittsburgh is poised to drastically improve the use of tracheal stents for children with airway obstruction. Researchers demonstrate for the first time the successful use of a completely biodegradable magnesium-alloy tracheal stent that safely degrades and does not require removal. (2021-01-15)

Researchers uncover significant reason older adults are at greater risk of heart attack
A team of surgeons has found an insufficient level of the protein Sesn2 is the reason older individuals are at greater risk of heart attack, which indicates stabilizing the protein could be the answer to maintaining a healthy heart. (2020-12-03)

In-stent thrombosis after antiplatelet therapy conversion while awaiting coronary bypass
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.0589, Nathan Burke, Tawanna Charlton, Hussam Hawamdeh, and Ki Park from the University of Florida College of Medicine, Gainesville, Florida, USA consider a case study of in-stent thrombosis after antiplatelet therapy conversion while awaiting coronary bypass. (2020-11-19)

One-month of dual anti-platelet therapy is safe and feasible after stent placement
A short, one-month treatment combining antiplatelet medication and aspirin followed by an aspirin-only regime was as effective as a 6- to 12-month course of dual treatment at preventing death, heart attacks, strokes, bleeding or the need for additional stent placement. The results of this study could lead to changes in treatment and improve patient compliance, lower costs and fewer side effects. (2020-11-16)

Ticagrelor was not superior to clopidogrel to reduce heart attack risk during angioplasty
A new study found the rate of heart attack and severe complications before, during or soon after elective surgery to open a blocked artery was similar between patients treated with clopidogrel and those who received the more potent antiplatelet medication ticagrelor. (2020-11-14)

3D printed stents that treat inflammation
POSTECH Professor Dong-Woo Cho's research team develops bioink-loaded esophageal stents for treating radiation esophagitis. (2020-11-10)

Oncotarget: Sirolimus-eluting stents -- opposite in vitro effects on the clonogenic cell potential
The cover for issue 31 of Oncotarget features Figure 4, ''Concentration dose-response curves of sirolimus effect [55 nM-1 nM] on the number of cells per surviving colony in U2OS cell line after 2 weeks exposure,'' by Vasuri, et al. which reported that the authors evaluated the long-term effects of sirolimus on three different cell in vitro models, cultured in physiological conditions mimicking sirolimus-eluted stent, in order to clarify the effectiveness of sirolimus in blocking cell proliferation and survival. (2020-10-21)

Results from host-reduce-polytech-ACS trial reported at TCT Connect
A randomized clinical trial found that drug-eluting stents (DES) with durable polymers are non-inferior to DES with biodegradable polymers in patients with acute coronary syndrome (ACS). Findings were reported today at TCT Connect, the 32nd annual scientific symposium of the Cardiovascular Research Foundation (CRF). TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine. (2020-10-17)

Results from the cobra-reduce trial reported at TCT Connect
For patients undergoing percutaneous coronary intervention (PCI) that also require oral anticoagulation, treatment with a nanotechnology polymer-coated stent plus 14-day dual anti-platelet therapy (DAPT) did not reduce bleeding or establish non-inferior outcomes for thrombotic events compared with a drug-eluting stent (DES) and standard three or six-month DAPT therapy. (2020-10-17)

Results from the optimize trial reported at TCT Connect
The OPTIMIZE randomized trial comparing a novel, low-profile drug-eluting stent (DES) facilitating transradial access (TR) and direct stenting (DS) to existing DES did not establish non-inferiority of the new stent based on the prespecified study statistical analysis plan, likely due to the definition of periprocedural target vessel myocardial infarction (TVMI) coupled with a large proportion of high-sensitive cardiac troponin assays used in the trial. (2020-10-17)

Results of an individual patient data pooled analysis reported at RCT Connect
An individual patient data pooled analysis comparing the use of bivalirudin versus heparin in heart attack patients undergoing percutaneous coronary intervention (PCI) found that bivalirudin use was associated with similar overall rates of 30-day mortality across all heart attack patients, but lower rates of serious bleeding events. Moreover, mortality was reduced in patients with ST-segment elevation myocardial infarction (STEMI) who were treated with a post-PCI bivalirudin infusion. (2020-10-14)

Study could be first step in providing personalized care to patients with ureteral stents
Published today in Cell Reports Medicine, researchers at Lawson Health Research Institute and Western University conducted a novel microbiome study to examine bacteria associated with ureteral stents. They found that nearly all the stents, whether visibly coated or not, had unique bacterial profiles that were most associated with a patient's medical condition rather than antibiotic use. For patients with ureteral stents, they may benefit from a personalized approach to care and antibiotic treatment. (2020-09-25)

For people with high blood pressure, telemonitoring may cut heart attack, stroke rate by 50%
Adults with uncontrolled high blood pressure were about half as likely to have serious cardiovascular events in the five years after a pharmacist-led telemonitoring program compared to those receiving routine primary care. By reducing cardiovascular events, the telemonitoring intervention saved about $1,900 over five years in overall health care costs for each individual. (2020-08-31)

Study reveals best anti-clotting strategy after heart valve intervention
The POPular TAVI trial has challenged current guideline recommendations on antiplatelet treatment after transcatheter aortic valve implantation (TAVI) in patients not taking oral anticoagulation. The findings are presented in a Hot Line session today at ESC Congress 2020. (2020-08-31)

Cardiology trial shows potential benefit of genetic testing when selecting blood thinners
An international, first-of-its-kind cardiology trial used personalized genetic testing to reduce by 34 per cent the number of serious adverse events following balloon angioplasty, a treatment for the most common form of heart disease. (2020-08-25)

Clinical trial shows potential benefit to anti-platelet therapy
Heart patients who undergo percutaneous coronary intervention (PCI) or stent placement? nonsurgical procedures to improve blood flow to the heart are typically prescribed anti-platelet therapy to avoid blood clots that can lead to a heart attack or stroke. New research from the international TAILOR-PCI trial, the largest pharmacogenetics clinical trial in cardiology, suggests that genetic testing could potentially be a useful tool to help select antiplatelet medication. (2020-08-25)

New study identifies better treatment option for common complication of dialysis
Use of drug-coated balloon angioplasty to treat blocked blood vessels used for hemodialysis offers hope for millions of patients globally (2020-08-19)

Clot permeability linked to first-attempt success of aspiration thrombectomy
A multicenter study reports that clot perviousness, or permeability - the ability for contrast used during the initial imaging workup to seep through a clot, as estimated by CT imaging - is associated with ''first-pass success'' in large vessel occlusion (LVO) strokes initially treated with an aspiration thrombectomy approach. LVO stroke treatment success using a stent retriever-first approach to remove the brain vessel blockage was less dependent on clot perviousness. (2020-08-11)

Late coronary stent thrombosis in patient with COVID-19
This case report describes a patient with COVID-19 who developed late drug-eluting stent thrombosis. (2020-07-08)

Randomization of provisional vs two-stent techniques in complex bifurcation lesions
Aim: The present study aimed to assess the benefits of two-stent techniques for patients with DEFINITION criteria-defined complex coronary bifurcation lesions. Methods and Results: In total, 653 patients with complex bifurcation lesions at 49 international centres were randomly assigned to undergo the systematic two-stent technique (two-stent group) or provisional stenting (provisional group). The primary endpoint was the composite of target lesion failure... (2020-06-25)

Two paths better than one for treating patients with heart stents
Pairing a blood-thinning drug with aspirin daily for patients who have an angioplasty with a stent can contribute to better health outcomes, including lower risk of death, than aspirin alone, according to a recent study by cardiologists at the University of Alberta and Mazankowski Alberta Heart Institute. (2020-05-28)

Safety of bioabsorbable polymer against durable polymer DES in high-risk PCI patients
A novel study sought to reveal whether drug-eluting stents (DES) coated with bioabsorbable polymer (BP) presented a safety advantage without compromising efficacy compared to durable polymer (DP) formulations. Subgroup findings from the TWILIGHT trial were presented today during the SCAI 2020 Scientific Sessions Virtual Conference. (2020-05-14)

3D VR blood flow to improve cardiovascular care
Biomedical engineers are developing a massive fluid dynamics simulator that can model blood flow through the full human arterial system at subcellular resolution. One of the goals of the effort is to provide doctors with a virtual reality system that can guide their treatment plans by allowing them to simulate a patient's specific vasculature and accurately predict how decisions such as stent placement, conduit insertions and other geometric alterations will affect surgical outcomes. (2020-05-13)

The digital diagnostic helper: Apple Watch detects severe coronary ischemia
Apple watches have long been able to record electrocardiograms (ECGs) and send warnings in the event of an irregular heart rhythm such as atrial fibrillation. Now a team of cardiologists from the Cardiopraxis Mainz and the Department of Cardiology of the University Medical Center Mainz discovered that, with the help of an Apple Watch, cardiac arrhythmias as well as coronary ischemia can be identified. This is what they reportin the European Heart Journal. (2020-04-30)

Genetic testing for antiplatelet therapy post-PCI misses cut in cardiovascular events
An international clinical trial that used genetic testing to guide which antiplatelet medication was given to patients following percutaneous coronary intervention (PCI) did not meet its stated goal for cutting in half the incidence of serious adverse cardiovascular events, such as heart attack and stroke, in the year following the procedure, according to study results 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)

Dropping aspirin for ticagrelor alone better in complex heart disease
The research, a subanalysis of the TWILIGHT trial, 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)

Impact of postdilation on intervention success and MACE
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.0564, the authors consider the impact of postdilation on intervention success and long-term major adverse cardiovascular events (MACE) among patients with acute coronary syndromes. (2020-03-19)

Leg pain medication may prevent re-blockage of neck arteries after a stent
Adding cilostazol, an antiplatelet medication for leg pain, to other drugs tended to prevent re-blockage of carotid artery stents within two years. This is the first trial to show potential effectiveness of medical management for prevention of in-stent restenosis after carotid artery stenting. (2020-02-21)

Follow-up study suggests brain stents are safe and effective for reducing recurrent stroke risk
Placing stents in cholesterol-clogged brain arteries may be an option to reduce the risk of a repeat stroke. However, it is too soon to know if stenting in the brain arteries improves long-term patient outcomes. (2020-02-20)

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)

Ingestible medical devices can be broken down with light
MIT engineers have developed a light-sensitive material that allows gastrointestinal devices to be triggered to break down inside the body when they are exposed to light from an ingestible LED. (2020-01-17)

Heart pumps associated with complications in some patients after heart stent procedure
In critically ill patients who require a heart pump to support blood circulation as part of stent procedures, specific heart pumps have been associated with serious complications, according to a new study led by cardiologists at Washington University School of Medicine in St. Louis. (2019-11-18)

Additional heart artery stenting reduces risk of future heart attacks
Research has shown that patients who have had emergency heart attack treatment with heart artery stenting -- and have significant narrowings in their other untreated arteries -- can benefit from additional stenting to help prevent future heart attacks. (2019-09-28)

Preventative artery repair provides major benefit after serious heart attack
The new study, a collaboration of 130 hospitals in 31 countries, has shown that opening all the blockages is better than treating only the one blockage causing the heart attack. This led to a 26% reduction in the patient's risk of dying or having a recurrent heart attack. (2019-09-01)

Epicardial coronary artery abnormalities that do not result in myocardial ischemia
What to Do with Epicardial Coronary Artery Abnormalities That do not Result in Myocardial Ischemia? In the current issue of Cardiovascular Innovations and Applications volume 4, issue 2, pp. 109-111 ; DOI https://doi.org/10.15212/CVIA.2017.0067 C. Richard Conti from the University of Florida Medical School, Gainesville, FL, USA considers epicardial coronary artery abnormalities that do not result in myocardial ischemia. (2019-08-15)

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