Stenosis News and Research

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A stenosis is an abnormal narrowing in a blood vessel or other tubular organ or structure.

Catheter-based valve replacement procedure safe for patients with common heart defect

A new analysis conducted by investigators at the Cedars-Sinai Smidt Heart Institute shows for the first time that patients with a common heart defect who undergo catheter-based valve replacement procedures have the same survival and complication rates as patients without the defect who undergo the same procedure.

12 Jun 2019

New robotic technology increases the safety and precision of spinal fusion surgeries

A new technology that increases the safety and precision of spinal fusion surgeries while reducing the time needed for the procedure now is available at Rush University Medical Center.

3 Jun 2019

Practical clinical applications of cardiac FFR-CT analysis

In the current issue of Cardiovascular Innovations and Applications volume 4, issue 1, pp. 31-42(12) ; DOI https://doi.org/10.15212/CVIA.2019.0003, Talal Alzahrani, MD, Ahmed Tashkandi, MD, Abdullah Sarkar, MD, Claudio Smuclovisky, MD, James P. Earls, MD and Andrew D. Choi, MD, from the Division of Cardiology, The George Washington University School of Medicine, Washington, DC, USA; Department of Medicine, University of Miami, Miami, FL, USA; Diagnostic Imaging Center, Holy Cross Hospital, Fort Lauderdale, FL, USA and the Department of Radiology, The George Washington University School of Medicine, Washington, DC, USA consider practical clinical applications of cardiac computed tomography-derived fractional flow reserve.

9 May 2019

Scientists propose new way of delivering anti-thrombosis drugs to damaged blood vessels

Scientists from Tomsk Polytechnic University with colleagues from Great Britain Germany, China, and Switzerland have proposed a new way of delivering anti-thrombosis drugs to the damaged areas of the blood vessels.

8 May 2019

Study examines the effects of TAVR with balloon-expandable valve for low-risk patients

For patients with aortic stenosis that cannot be treated with medication, surgical and transcatheter aortic valve replacement can offer effective treatment.

6 May 2019

Early treatment of patients with severe aortic stenosis may be better than watch-and-wait approach

Patients with severe aortic stenosis who have no symptoms may benefit more from an aggressive strategy of early valve replacement than from a conservative watch-and-wait approach, according to new research published today online in The Annals of Thoracic Surgery.

27 Mar 2019

TAVR procedure safe in patients with unusual valve anatomy

Compared with patients who had a typical tricuspid aortic valve, patients with a more unusual bicuspid aortic valve had a similar rate of death but a higher likelihood of stroke after undergoing a procedure to replace the valve by threading surgical equipment through an artery, according to research presented at the American College of Cardiology's 68th Annual Scientific Session.

18 Mar 2019

Study finds TAVR to be as good as open-heart surgery for patients at low surgical risk

A new trial comparing self-expanding transcatheter aortic valve replacement (TAVR) to standard open-heart surgery for valve replacement—this time in patients with severe aortic stenosis who are considered low surgical risk—found no difference in the combined rate of disabling stroke or death from any cause at two years.

18 Mar 2019

Renishaw partnership demonstrates AM capabilities for spinal implants

Global engineering company Renishaw has collaborated with two advanced technology companies to demonstrate the advantages of additive manufacturing in the production of spinal implants.

From Renishaw plc - Spectroscopy 5 Mar 2019

Big-data analysis finds new link between popular arthritis drug and heart valve calcification

A well-known, four-year study found popular arthritis drug Celebrex no more dangerous for the heart than older drugs in its same classification - commonly called NSAIDs.

23 Feb 2019

First motor-controlled heart valves implanted by Mainz University Medical Center

Patients of the Mainz University Medical Center with heart valve disease have recently been able to benefit from a new treatment option for a narrowed aortic valve.

22 Feb 2019

Surgery and other treatments offer viable options for adult scoliosis

For years, spine surgeons have debated the best methods for treating scoliosis in adults. Spinal curvature often results in more back pain, leg pain and other symptoms for adults than teens because adults also can have degeneration in the discs between vertebrae, and spinal stenosis -- a narrowing of the opening for the spinal nerves.

21 Feb 2019

Researcher explore why some patients recover quickly after surgery while others don't

Why do some patients recover quickly after surgery, while others don't? That is an important question when treating older frail patients suffering from aortic stenosis. Lead author Dae Hyun Kim, M.D., M.P.H., Sc.D., and principle investigator Director Lewis A. Lipsitz in the Marcus Institute for Aging Research at Hebrew SeniorLife explore this question in a paper published today in the Journal of the American Medical Association Internal Medicine.

5 Feb 2019

Gerontologists assess change in patients' functional status after valve replacement procedure

Affecting an estimated one in eight people older than 75, aortic valve stenosis - a narrowing of the heart's main artery - makes the heart work harder to supply the body with blood, potentially limiting patient's activity levels an quality of life. Ultimately, aortic stenosis can lead to stroke, arrhythmia, heart failure and death.

5 Feb 2019

Computational model of the heart’s mitral valve enables customized care for patients

Engineers at The University of Texas at Austin have developed a new noninvasive technique for simulating repairs to the heart's mitral valve with levels of accuracy reliable enough for use in a clinical setting.

30 Jan 2019

Stratasys advanced FDM 3D printing helps Biodonostia to improve treatment for thoracic wall tumors

Founded in 2008, the Biodonostia Health Research Institute was the first institute for medical research in the Basque region of Spain. Facing difficult surgical challenges every day, it recently partnered with Tknika, a Research and Applied Innovation Centre for Vocational Education and Training in the Basque region, and Tecnun, a specialist division of Universidad de Navarra, to enable surgeons to harness the latest 3D printing technology as a tool to aid surgical preparedness.

From Stratasys 25 Jan 2019

Imec and CARDIS project partners develop new prototype medical device for early detection of cardiovascular diseases

Imec have developed a prototype medical device based on silicon photonics for the screening of arterial stiffness and cardiovascular diseases.

From Imec 17 Jan 2019

Thubrikar announces first human implant of Optimum TAV using their TAVI system

Thubrikar Aortic Valve, Inc., a privately held medical device company, today announced the first human implant of the Optimum TAV using their transcatheter aortic valve implantation system.

9 Jan 2019

RTI Surgical enters into definitive agreement to acquire Paradigm Spine

RTI Surgical, Inc., a global surgical implant company, and Paradigm Spine, LLC, a leader in motion preservation and non-fusion spinal implant technology, today announced that they have entered into a definitive agreement whereby RTI will acquire all outstanding equity interest of Paradigm Spine in a cash and stock transaction valued at up to $300 million, consisting of $150 million at closing plus potential future milestone payments.

2 Nov 2018

Individual cells within the same heart cope differently with high blood pressure, study shows

Individual cells within the same heart cope differently with high blood pressure, according to a study in human cells and mice by a team of cardiologists and computational biologists at the University of Tokyo.

30 Oct 2018