Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Study finds that minimally invasive robotic bypass surgery provides health and economic benefits

29.04.2008
Added costs are offset by shorter hospital stay and fewer complications
Minimally invasive heart bypass surgery using a DaVinci robot means a shorter hospital stay and faster recovery for patients, as well as fewer complications and a better chance that the new bypass vessels will stay open.

And, according to a University of Maryland study, robotic heart bypass surgery also makes good economic sense for hospitals. The study will be presented at the American Surgical Association on April 26, 2008.

Using a surgical robot increases the cost of each bypass case by about $8,000, according to Robert S. Poston, M.D., a cardiac surgeon formerly at the University of Maryland Medical Center who is the lead author of the study. He says those additional expenses, which are due to equipment and supplies, are offset by a shorter hospital stay, reduced need for transfusions and fewer post-surgical complications that would require a patient to be re-admitted to the hospital. Especially with high risk patients who have lung or kidney disease or other health problems, the researchers found that the minimally invasive, robotic approach saves costs.

“These findings are significant because payers are considering linking reimbursement for coronary artery bypass surgery to patient outcomes,” says Stephen T. Bartlett, M.D., professor and chairman of the Department of Surgery at the University of Maryland School of Medicine and chief of surgery at the University of Maryland Medical Center.

“Our study shows that there are health benefits to patients from the minimally invasive approach, both in terms of a shorter recovery and also looking at the function of the bypass graft months after the surgery,” adds Dr. Bartlett, who is one of the study’s co-authors.

While the DaVinci surgical robot is in widespread use for prostate surgery, the University of Maryland Medical Center is among only a few hospitals nationwide, and was one of the first in the U.S., to use the robot to perform multiple vessel heart bypass surgery.

The researchers studied 100 consecutive patients who had minimally invasive coronary bypass surgery using a robot at the University of Maryland Medical Center. The technique requires no incisions except for a few small holes to insert instruments. These cases were compared to a matched group of 100 patients who had the traditional “open” bypass surgery with a sternotomy, a surgical incision through the sternum.

The average length of the hospital stay for the patients with the minimally invasive surgery was about four days compared to seven days for the traditional bypass operation; however the difference was even greater among patients considered to be at high risk. In that group, the average stay was five days with robotic surgery compared to 12 days with the traditional technique.

The complication rate for those who had the robotic bypass was also much lower, with 88 percent of patients free of complications after having the minimally invasive surgery compared to 66 percent of those with the “open” operation.

The patients in the study were followed up one year after their surgery. Using a CT angiography scan, the researchers found that those who had the robotic bypass were much less likely to have narrowing or clots in the bypass graft than those with the traditional bypass surgery from six months to a year after the operation.

“We saw a long term benefit to patients after their bypass in terms of the patency, or openness, of the bypass graft, according to Bartley Griffith, M.D., head of Cardiac Surgery at the University of Maryland Medical Center and professor of surgery at the University of Maryland School of Medicine. Dr. Griffith, also a co-author of the study, says the grafted vessels of more than 99 percent of the patients who had robotically-assisted bypass surgery were still open and functioning well compared to about 80 percent of those who had the “open” operation.

The reason for the difference is that for patients who need multiple bypasses, surgeons can easily access two internal mammary arteries to use as the new bypass vessels rather than taking a section of vein from another part of the body. In traditional bypass operations, only one internal mammary artery is used while other bypasses are performed using a vein. The long-term success of the bypass, or patency of the target vessel, is superior with an internal mammary artery versus a vein.

Dr. Poston says hospitals have been waiting for data on the costs and benefits of robotic-assisted heart bypass programs before investing in them. “Our conclusion from this study is that robotically-assisted coronary artery revascularization presents quality of life benefits for patients along with financial savings for those hospitals which care for large numbers of high risk patients,” says Dr. Poston, who recently moved from the University of Maryland to be the chief of cardiac surgery at Boston Medical Center.

The study, “Superior Financial and Quality Metrics with Robotically-assisted (DaVinci) Coronary Artery Revascularization,” will be presented at the 128th annual meeting of the American Surgical Association in New York on April 26, 2008.

Ellen Beth Levitt | EurekAlert!
Further information:
http://www.umm.edu

More articles from Studies and Analyses:

nachricht Win-win strategies for climate and food security
02.10.2017 | International Institute for Applied Systems Analysis (IIASA)

nachricht The personality factor: How to foster the sharing of research data
06.09.2017 | ZBW – Leibniz-Informationszentrum Wirtschaft

All articles from Studies and Analyses >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Neutron star merger directly observed for the first time

University of Maryland researchers contribute to historic detection of gravitational waves and light created by event

On August 17, 2017, at 12:41:04 UTC, scientists made the first direct observation of a merger between two neutron stars--the dense, collapsed cores that remain...

Im Focus: Breaking: the first light from two neutron stars merging

Seven new papers describe the first-ever detection of light from a gravitational wave source. The event, caused by two neutron stars colliding and merging together, was dubbed GW170817 because it sent ripples through space-time that reached Earth on 2017 August 17. Around the world, hundreds of excited astronomers mobilized quickly and were able to observe the event using numerous telescopes, providing a wealth of new data.

Previous detections of gravitational waves have all involved the merger of two black holes, a feat that won the 2017 Nobel Prize in Physics earlier this month....

Im Focus: Smart sensors for efficient processes

Material defects in end products can quickly result in failures in many areas of industry, and have a massive impact on the safe use of their products. This is why, in the field of quality assurance, intelligent, nondestructive sensor systems play a key role. They allow testing components and parts in a rapid and cost-efficient manner without destroying the actual product or changing its surface. Experts from the Fraunhofer IZFP in Saarbrücken will be presenting two exhibits at the Blechexpo in Stuttgart from 7–10 November 2017 that allow fast, reliable, and automated characterization of materials and detection of defects (Hall 5, Booth 5306).

When quality testing uses time-consuming destructive test methods, it can result in enormous costs due to damaging or destroying the products. And given that...

Im Focus: Cold molecules on collision course

Using a new cooling technique MPQ scientists succeed at observing collisions in a dense beam of cold and slow dipolar molecules.

How do chemical reactions proceed at extremely low temperatures? The answer requires the investigation of molecular samples that are cold, dense, and slow at...

Im Focus: Shrinking the proton again!

Scientists from the Max Planck Institute of Quantum Optics, using high precision laser spectroscopy of atomic hydrogen, confirm the surprisingly small value of the proton radius determined from muonic hydrogen.

It was one of the breakthroughs of the year 2010: Laser spectroscopy of muonic hydrogen resulted in a value for the proton charge radius that was significantly...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

ASEAN Member States discuss the future role of renewable energy

17.10.2017 | Event News

World Health Summit 2017: International experts set the course for the future of Global Health

10.10.2017 | Event News

Climate Engineering Conference 2017 Opens in Berlin

10.10.2017 | Event News

 
Latest News

Terahertz spectroscopy goes nano

20.10.2017 | Information Technology

Strange but true: Turning a material upside down can sometimes make it softer

20.10.2017 | Materials Sciences

NRL clarifies valley polarization for electronic and optoelectronic technologies

20.10.2017 | Interdisciplinary Research

VideoLinks
B2B-VideoLinks
More VideoLinks >>>