Stenosis News and Research

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

STEMI patients with multi-vessel disease have no benefit from FFR-guided PCI

In patients who had a coronary stent inserted after experiencing the most severe type of heart attack, the use of a technique that measures blood flow and pressure through a partially blocked artery to determine if a second stenting procedure is needed did not improve outcomes and was more costly than using angiography, or a heart X-ray, alone to guide the procedure, according to research presented at the American College of Cardiology’s 70th Annual Scientific Session.

17 May 2021

4D printing strategy helps fabricate biomimetic microchannel scaffold for spinal fusion

Spinal fusion is frequently performed to restore spinal stability in patients with spinal diseases, such as spinal stenosis, vertebral fractures, progressive deformities, and instability.

5 May 2021

Novel technology can be effective non-surgical treatment option for congenital heart disease patients

New study results validate the effectiveness of the Medtronic Harmony™ transcatheter pulmonary valve (TPV) system for patients with congenital heart disease (CHD) and severe pulmonary regurgitation (PR).

30 Apr 2021

Late-week surgery, discharge to specialty care related to higher costs and longer hospital stay after elective spine surgery

New research by a team from the Cleveland Clinic and the London School of Economics and Political Science has determined that surgeries performed late in the workweek, and those culminating in discharge to a specialty care facility, are associated with higher costs and unnecessarily longer stays in the hospital following a common elective spine surgery.

7 Apr 2021

New exosome-coated stent repairs damaged tissue, heals vascular injury

Researchers from North Carolina State University have developed an exosome-coated stent with a "smart-release" trigger that could both prevent reopened blood vessels from narrowing and deliver regenerative stem cell-derived therapy to blood-starved, or ischemic, tissue.

6 Apr 2021

New high-performance, safe MRI contrast agent for 3D vascular mapping

Heart attack and stroke are the first and second leading causes of death in developed countries, respectively. As the disease often results in sudden death with few special prognostic symptoms, early diagnosis is very important.

10 Mar 2021

Current surgical risk scores overestimate risk in mini-AVR procedures

Minimally invasive aortic valve replacement surgery is a safer procedure than indicated by current surgical risk scores, according to Joseph Lamelas, M.D., chief and program director of cardiothoracic surgery at the University of Miami Health System.

27 Jan 2021

Novel biodegradable magnesium-alloy tracheal stents for children with airway obstruction

Pediatric laryngotracheal stenosis (LTS), a narrowing of the airway in children, is a complex medical condition. While it can be something a child is born with or caused by injury, the condition can result in a life-threatening emergency if untreated.

16 Jan 2021

Henry Ford Health System is first in the U.S. to perform a procedure using CG-100 intraluminal device

Henry Ford Health System is the first in the country to perform a procedure using the CG-100™ intraluminal device, which is temporarily inserted into the gastrointestinal tract and designed to reduce diverting stoma rates, and the need for an ostomy bag, in patients undergoing gastrointestinal resection procedures due to colorectal cancer treatment.

9 Dec 2020

Scoring system can help improve the diagnosis of concomitant heart diseases

Aortic stenosis is one of the most common heart valve defects. Its prevalence increases with age and it often requires treatment.

24 Nov 2020

Researchers develop new scoring system to screen for dual heart disease

Aortic stenosis is one of the most common heart valve defects. Its prevalence increases with age and it often requires treatment.

24 Nov 2020

New self-expanding bioprosthetic valve used in TAVR fails to demonstrate non-inferiority

In a randomized clinical trial, SCOPE II, a new self-expanding bioprosthetic valve used in transcatheter aortic valve replacement (TAVR) failed to demonstrate non-inferiority compared to an existing self-expanding valve.

16 Oct 2020

Small molecule restores normal heart development in animal model with rare genetic disorder

A research team at the Greenwood Genetic Center has successfully used small molecules to restore normal heart and valve development in an animal model for Mucolipidosis II (ML II), a rare genetic disorder. Progressive heart disease is commonly associated with ML II.

15 Oct 2020

Pitt team receives NIH award to optimize tissue-engineered vascular graft design

Just as a climbing plant needs the right trellis to thrive, a small-diameter tissue-engineered vascular graft (TEVG) needs the right scaffold to transform seeded cells into a native-like artery that can save a life.

25 Sep 2020

Study shows best antiplatelet treatment after transcatheter aortic valve implantation

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.

31 Aug 2020

3D-printed organ model can improve surgical outcomes for heart patients

Researchers from the University of Minnesota, with support from Medtronic, have developed a groundbreaking process for multi-material 3D printing of lifelike models of the heart's aortic valve and the surrounding structures that mimic the exact look and feel of a real patient.

28 Aug 2020

UC San Diego Health offers new treatment to provide relief for patients with chronic low back pain

UC San Diego Health is now offering a new minimally invasive approach to provide relief for patients suffering from chronic low back pain (CLBP).

27 Aug 2020

Artificial intelligence can help detect heart disease based on facial photos

Sending a "selfie" to the doctor could be a cheap and simple way of detecting heart disease, according to the authors of a new study published today (Friday) in the European Heart Journal .

21 Aug 2020

Study provides evidence on non-invasive diagnostic procedures for people with suspected CHD

The German Institute for Quality and Efficiency in Health Care (IQWiG) used an evidence map to investigate to what extent informative evidence exists on the benefit and harm of the diagnostic procedures "non-invasive computed tomography angiography" (CTA) and "stress MRI" in people with suspected coronary heart disease (CHD).

9 Jul 2020

Study reveals how overactive immune cells aggravate heart valve disease

A new study using organ-on-a-chip technology reveals how overactive immune cells aggravate heart valve disease and how this damaging hyperactivity could potentially be controlled.

8 Jul 2020