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First Trans-Oceanic, Robot-Aided Surgery
NewsMax.com Wires
Wednesday, Sept. 19, 2001
NEW YORK -- Surgeons using remote-controlled robots have performed the
world's first complete trans-oceanic surgery, working from New York to
successfully remove the diseased gall bladder of a 68-year-old woman in
eastern France, it was announced Wednesday. Medical scientists predict in the
future "telesurgery" may enable expert surgeons to treat desperate patients
in Antarctica, battlefields, Third World countries and even space stations.
"This is the first time we've been able to operate at such long distances,"
said Michel Gagner, one of the two surgeons involved and chief of
laparoscopic surgery at Mount Sinai Medical Center in New York. "Such a
complex task as surgery from 4,000 miles away done completely via robotics --
it's never been performed before."

The lead surgeon, Jacques Marescaux, president and founder of the European
Institute of Telesurgery, worked with Gagner on the Sept. 7 trans-oceanic
procedure -- dubbed "Operation Lindbergh" after famed trans-Atlantic aviator
Charles Lindbergh. Their control console at Mount Sinai was linked to a robot
at Louis Pasteur University in Strasbourg, France via high-speed fiber-optic
connections running in cables under the sea. "The total delay was less than
one-fifth of a second -- it took 80 milliseconds for the signal to go and 80
to come back," Gagner said in an interview with United Press International.
This 160-millisecond gap -- roughly half the time it takes to blink -- beat
the estimated safe lag time by 40 milliseconds.

"Still, even a fifth of a second is noticeable," Gagner said. "We had to
operate slower, to be more careful."

The surgeons relied on high-quality images provided by their high-speed link
to compensate for the delay.

"The detail was so great, our vision was as good as if we were in my own
operating room," Gagner told UPI. "With the high-resolution images, you could
tolerate this delay."

The procedure took roughly 45 minutes, no longer than similar operations. Two
surgeons in Strasbourg who set up the robot stood by to intervene if
necessary for safety reasons. A team of some 40 computer engineers and robot
specialists helped set up the telesurgery system. "For them, they told it was
like magic--nobody else was in the room, yet here this surgery went on,"
Gagner said.

The patient, who was specially briefed on all the details of the operation
and gave her consent, was released after a two-day rest period. Removal of
the gall bladder is a common procedure, one that roughly a half-million
Americans go through annually.

The first telesurgery operation took place in 1996. Telesurgery pioneer
Richard Satava at Yale University in New Haven, Conn., explained the
technique was originally devised to work from an armored vehicle in the
battlefield.

"We had previously thought that the distance to safely perform this kind of
surgery was about 200 miles," Satava commented. "They were able to
demonstrate what we hadn't thought possible." The medical scientists were
confident telesurgery could eventually help regions where surgical expertise
is scarce, such as Third World countries. Gagner added telesurgery one day
also may aid remote areas such as Antarctica or space stations and train
surgeons in procedures they might not normally see.

There are a number of legal and technical obstacles telesurgery will have to
overcome if it is to become widespread. International law has not yet caught
up with the issues of liability in case something goes wrong and the
recognition of medical credentials across state and national lines. So far
Gagner said physicians have relied on the Geneva Convention, which says a
case falls under the rules of the country in which the patient is treated.

Satava noted the key limitation to long-distance telesurgery at this time is
expense. Until the Internet becomes very high bandwidth, such thousand-mile
procedures will only be available via institutions that can afford the very
high cost. "This kind of connection is very expensive, likely in the
thousands of dollars per hour," he explained.

However, Satava told UPI it is realistic to expect costs to come down in
future. "It's going to take time, at least a generation, for it to go into
local hospitals," Gagner said. "It's a bit like the installation of the
automobile -- it took 25 years before it became affordable." The researchers
will publish their results in a future issue of the journal Nature.




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