-- Robert Preidt
WEDNESDAY, Jan. 8, 2014 (HealthDay News) -- Researchers have
developed a new type of surgical "glue" that they say could help
treat children born with heart defects, such as a hole in the
The adhesive can quickly stick biodegradable patches inside a
beating heart. Unlike current surgical adhesives, this new glue
keeps up its powerful sticking power in the presence of blood and
at increased heart rates and blood pressure, according to the
findings of a study in pig hearts.
"The adhesive was strong enough to hold tissue and patches onto the heart equivalent to suturing," study co-first author Dr. Nora Lang, of the department of cardiac surgery at Boston Children's Hospital, said in a hospital news release.
"About 40,000 babies are born with congenital heart defects in the United States annually," study co-senior author Jeffrey Karp, of the Brigham and Women's Hospital's biomedical engineering division, explained in the same release. He said, "those that require treatment are plagued with multiple surgeries to deliver or replace non-degradable implants that do not grow with young patients."
Co-senior author Dr. Pedro del Nido, chief of cardiac surgery at
Boston Children's Hospital, said that the new surgical glue
"addresses all of the drawbacks of previous systems in that it
works in the presence of blood and moving structures."
He believes the adhesive will "provide the physician with a
completely new, much simpler technology and a new paradigm for
tissue reconstruction to improve the quality of life of patients
following surgical procedures."
The adhesive is activated by ultraviolet light and provides an
anti-bleeding seal within five seconds of UV light application when
applied to high-pressure large blood vessels and heart wall
defects, according to the study published Jan. 8 in the journal
Science Translational Medicine.
"The adhesive patch is biodegradable and biocompatible, so nothing foreign or toxic stays in the bodies of these patients," Lang noted.
Two heart surgeons said the technology could become a real
"This new adhesive may expand our ability to perform minimally invasive surgical techniques to correct various cardiac defects," said Dr. Ralph Mosca, professor of cardiac surgery at NYU Langone Medical Center in New York City.
"Basically, wherever patches are currently stitched into place within or onto the heart, this new adhesive used alone or in combination with more traditional patches could not only reduce operating time but potentially help doctors repair and close defects that might be in difficult-to-reach locations," Mosca said.
Dr. Konstadinos Plestis is director of aortic surgery at Lenox
Hill Hospital in New York City. He said that while the new glue
requires further testing, especially when it comes to long-term
outcomes, it "has the potential to facilitate repairs and surgeries
inside the heart, facilitate minimally invasive procedures, reduce
operative times, and possibly improve the outcome of cardiovascular
The adhesive technology has been licensed to a French company,
which expects to have the adhesive on the market within two to
The U.S. National Heart, Lung, and Blood Institute has more
heart birth defects.
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