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Surgery Lite: Understanding Endoscopic Surgery

When is minimally invasive surgery better than traditional surgery? What are the risks?

What is the safety record of endoscopic surgery? continued...

It also depends on the patient. For people who are very sick or frail, traditional surgery may be the best approach. It reduces time on the operating table. Other factors that might influence your surgeon's decision to use minimally invasive surgery are your age, your weight, your general health, and your history of surgery.

Argenziano says that patients shouldn't become too fixated on getting minimally invasive surgery.

"There are three goals to every operation," says Argenziano. "To fix the problem, to do it safely, and to do it with the least trauma possible. In the best circumstances, we can do all three. But if we can't do all three, we sacrifice the last one." Having a longer recovery is much less important than fixing the problem and doing it safely, he says.

Next Up: Robotic Surgery

While it may sound futuristic, robotic surgery is just an extension of minimally invasive techniques. The difference is that the surgeon is using robotic arms instead of endoscopes and other tools.

"A robot is really just a tool for the surgeon, like a scalpel or a clamp," says Argenziano.

The "da Vinci" system is one such surgical robot. The robot has three or four arms that are inserted into the body through half-inch incisions. One arm is a camera and two act as the surgeon's hands. The optional fourth arm moves obstructions out of the way. The surgeon looks into a viewfinder and operates the robot from a console. As the surgeon moves his or her hands, the robotic arms inside the patient's body mimic the movements -- cutting, suturing, or what have you.

Because different tools can be popped in and out of the robot's arms, they've proven to be adaptable. "It's the only big-ticket device that can be used by a cardiac surgeon on Tuesday, a urologist on Wednesday, and a neurosurgeon on Thursday," says Argenziano.

Mohamed Ali, MD, director of minimally invasive and robotic surgery at the University of California, Davis, says he's done 150 gastric bypasses with the da Vinci robot. "What's nice about the robot is that it allows you more freedom of movement than traditional laparoscopy," he tells WebMD.

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