Featured Research

from universities, journals, and other organizations

New heart valve replacement technologies offer hope for high-risk patients

Date:
March 9, 2010
Source:
Canadian Medical Association Journal
Summary:
A significant number of people with heart disease will benefit from less invasive transcatheter heart valve replacements in future, finds a review of updated practices.

A significant number of people with heart disease will benefit from less invasive transcatheter heart valve replacements in future, finds a review of updated practices in CMAJ (Canadian Medical Association Journal).

The most effective treatment for aortic stenosis, a common heart condition that shows with angina, loss of consciousness due to lack of blood flow, congestive heart failure, or sudden death, is valve replacement. However, large cohorts of people are never referred for this surgery because they are deemed too high-risk even though the prognosis is grim without the treatment.

New technologies such as stent-based transcatheter valve replacement can now be performed on high-risk patients without the need for sternotomy (an incision through the sternum), a heart-lung bypass machine or stopping the heart. Patients can also recover in a step-down unit compared with monitoring and treatment in an intensive care unit.

This procedure will benefit the 3% of the general population over 75 years of age that have severe aortic stenosis, a fixed obstruction, and in the future, could potentially treat lower risk patients such as in the 2% of the general population that have a defect called bicuspid aortic valves.

"Stent-based transcatheter value replacement now offers patients a less invasive alternative with potentially reduced risks, which may be particularly beneficial for elderly, high-risk patients," write Dr. Michael W. A. Chu, Division of Cardiac Surgery, London Health Sciences Centre (London, Ontario) and coauthors.

Transcatheter valve replacements should be performed by an experienced, technologically adept team of cardiac surgeons, cardiologists and anesthesiologists.

The authors conclude that transcatheter heart valve replacement is still evolving, although the more than 10 000 devices implanted worldwide have helped establish success of the procedure. More information on long-term results is needed to determine the future evolution of these techniques.


Story Source:

The above story is based on materials provided by Canadian Medical Association Journal. Note: Materials may be edited for content and length.


Cite This Page:

Canadian Medical Association Journal. "New heart valve replacement technologies offer hope for high-risk patients." ScienceDaily. ScienceDaily, 9 March 2010. <www.sciencedaily.com/releases/2010/03/100308122029.htm>.
Canadian Medical Association Journal. (2010, March 9). New heart valve replacement technologies offer hope for high-risk patients. ScienceDaily. Retrieved April 24, 2014 from www.sciencedaily.com/releases/2010/03/100308122029.htm
Canadian Medical Association Journal. "New heart valve replacement technologies offer hope for high-risk patients." ScienceDaily. www.sciencedaily.com/releases/2010/03/100308122029.htm (accessed April 24, 2014).

Share This



More Health & Medicine News

Thursday, April 24, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Big Pharma Braces for M&A Wave

Big Pharma Braces for M&A Wave

Reuters - Business Video Online (Apr. 22, 2014) Big pharma on the move as Novartis boss, Joe Jimenez, tells Reuters about plans to transform his company via an asset exchange with GSK, and Astra Zeneca shares surge on speculation that Pfizer is looking for a takeover. Joanna Partridge reports. Video provided by Reuters
Powered by NewsLook.com
Study Says Most Crime Not Linked To Mental Illness

Study Says Most Crime Not Linked To Mental Illness

Newsy (Apr. 22, 2014) A new study finds most crimes committed by people with mental illness are not caused by symptoms of their illness or disorder. Video provided by Newsy
Powered by NewsLook.com
Hagel Gets Preview of New High-Tech Projects

Hagel Gets Preview of New High-Tech Projects

AP (Apr. 22, 2014) Defense Secretary Chuck Hagel is given hands-on demonstrations Tuesday of some of the newest research from DARPA _ the military's Defense Advanced Research Projects Agency program. (April 22) Video provided by AP
Powered by NewsLook.com
How Smaller Plates And Cutlery Could Make You Feel Fuller

How Smaller Plates And Cutlery Could Make You Feel Fuller

Newsy (Apr. 22, 2014) NBC's "Today" conducted an experiment to see if changing the size of plates and utensils affects the amount individuals eat. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins