Featured Research

from universities, journals, and other organizations

New approach to remove blood clots

Date:
July 9, 2014
Source:
University of California, San Diego Health Sciences
Summary:
Experts are now able to save patients from potentially fatal outcomes from blood clots, infected masses or foreign bodies from major cardiac blood vessels without performing open-heart surgery. The AngioVac is a catheter-based device in which thin tubes are inserted into two major veins in the body through the neck or groin area. Under X-ray guidance, the flexible tubes are advanced to the proximal veins, right-sided heart chambers and/or lung arteries. Each is equipped with an expandable, balloon-shaped funnel tip that, when attached to a bypass circuit, vacuums the targeted material, such as a blood, clot out of the body.

When a large blood clot was discovered attached to the end of a catheter inside the right atrial chamber of a patient’s heart, doctors faced a daunting challenge. If the clot came loose, the consequences would likely be catastrophic for the patient, who suffered from pulmonary hypertension – a dangerous narrowing of blood vessels connecting the heart and lungs.

Related Articles


But experts at the UC San Diego Sulpizio Cardiovascular Center (SCVC) are now able to save patients like this one from potentially fatal outcomes by using a new technology capable of removing blood clots, infected masses or foreign bodies from major cardiac blood vessels without performing open-heart surgery.

The SCVC is the first in San Diego County to use the AngioVac system developed by AngioDynamics. The AngioVac is a catheter-based device in which thin tubes are inserted into two major veins in the body through the neck or groin area. Under X-ray guidance, the flexible tubes are advanced to the proximal veins, right-sided heart chambers and/or lung arteries. Each is equipped with an expandable, balloon-shaped funnel tip that, when attached to a bypass circuit, vacuums the targeted material, such as a blood, clot out of the body.

“In some cases, medications can be used to dissolve blood clots, but this treatment option does not work for all patients, especially those who are in a life-threatening situation,” said Mitul Patel, MD, FACC, interventional cardiologist at UC San Diego Health System. “This new device allows our team to safely extract material, preventing the patient from having to undergo invasive, high-risk surgery.”

Open-heart surgery takes much longer to perform and often requires the surgeon to divide the breastbone lengthwise down the middle and spread the halves apart to access the heart. After the heart is repaired, surgeons use wires to hold the breastbone and ribs in place as they heal.

"Removing a blood clot through open-heart surgery results in longer hospitalization, recovery and rehabilitation times compared to the minimally invasive approach provided by this new device," said Victor Pretorius, MBchB, cardiothoracic surgeon at UC San Diego Health System.

The AngioDynamics device does not eliminate the need for a surgery called pulmonary thromboendarterectomy (PTE) to remove chronic blood clots in the lung arteries, a surgery that cardiothoracic surgeons at UC San Diego Health System have special expertise in performing.

Nearly 100,000 Americans die each year when a clot breaks away from a blood vessel wall and lodges in the lungs or heart. Several factors can cause a blood clot, including certain medications (oral contraceptives and hormone therapy drugs), deep vein thrombosis, family history, heart arrhythmias, obesity, surgery, prolonged sitting or bed rest, and smoking.

The new procedure is performed by a multidisciplinary team comprised of anesthesiologists, cardiothoracic surgeons and interventional cardiologists. Six patients at UC San Diego Health System have undergone the procedure so far, which can be completed in as little as one hour with patients typically able to walk and leave the hospital the following day.

"The success of this new device would not be possible without the collaboration of our colleagues dedicated to helping patients with a vast array of cardiovascular issues,” said Patel. “As the only academic hospital in San Diego County, we are excited about this new technology and what it offers as a new treatment option for our patients at SCVC.”


Story Source:

The above story is based on materials provided by University of California, San Diego Health Sciences. Note: Materials may be edited for content and length.


Cite This Page:

University of California, San Diego Health Sciences. "New approach to remove blood clots." ScienceDaily. ScienceDaily, 9 July 2014. <www.sciencedaily.com/releases/2014/07/140709135507.htm>.
University of California, San Diego Health Sciences. (2014, July 9). New approach to remove blood clots. ScienceDaily. Retrieved November 25, 2014 from www.sciencedaily.com/releases/2014/07/140709135507.htm
University of California, San Diego Health Sciences. "New approach to remove blood clots." ScienceDaily. www.sciencedaily.com/releases/2014/07/140709135507.htm (accessed November 25, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Tuesday, November 25, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com
Madagascar Working to Contain Plague Outbreak

Madagascar Working to Contain Plague Outbreak

AFP (Nov. 24, 2014) Madagascar said Monday it is trying to contain an outbreak of plague -- similar to the Black Death that swept Medieval Europe -- that has killed 40 people and is spreading to the capital Antananarivo. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Are Female Bosses More Likely To Be Depressed?

Are Female Bosses More Likely To Be Depressed?

Newsy (Nov. 24, 2014) A new study links greater authority with increased depressive symptoms among women in the workplace. 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:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

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