Sham surgery
Faked surgical intervention / From Wikipedia, the free encyclopedia
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Sham surgery (or placebo surgery) is a faked surgical intervention that omits the step thought to be therapeutically necessary.
In clinical trials of surgical interventions, sham surgery is an important scientific control. This is because it isolates the specific effects of the treatment as opposed to the incidental effects caused by anesthesia, the incisional trauma, pre- and postoperative care, and the patient's perception of having had a regular operation. Thus sham surgery serves an analogous purpose to placebo drugs, neutralizing biases such as the placebo effect.