They were trying to create an injectable drug for use in general anesthesia.
In this procedure, mothers are given general anesthesia, which also sedates the fetus.
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Heartburn surgery, whether traditional or the newer variety, typically involves general anesthesia and a night in the hospital, surgeons say.
Doctors consider sedation a continuum, where relaxation is on the mild side and general anesthesia is at the other extreme.
Mei Xiang was put under general anesthesia for the artificial insemination and was expected to undergo a second procedure later Saturday.
The procedure still requires general anesthesia, and still has carries significant risk.
Using general anesthesia, the surgeon threaded a catheter up her nose, expanded a tiny balloon and cleared a permanent space for her sinuses to drain.
Then University of Pennsylvania physiatrist Curtis Slipman persuaded him to try a new 30-minute outpatient procedure that repairs herniated discs using a needle, no general anesthesia required.
Pregnant women can receive general anesthesia without harming the fetus, and surgery isn't substantially riskier in pregnant women, as long as the surgeon and anesthesiologist take the pregnancy into account.
The FDA also issued a warning to health care professionals in 2007 about patients who experienced chills, fever and body aches shortly after receiving the drug for sedation or general anesthesia.
An alternative type of laryngoplasty involves injection of purified fats, Gelfoam, collagen or alloderm tissues such as Cymetra which may be performed in a clinic setting under local anesthesia or occasionally under general anesthesia.
In the last three years they have introduced four new devices that aim to provide a long-lasting fix for heartburn, using outpatient procedures that can be done in less than an hour, without general anesthesia or cutting.
The Federal Reserve and central banks in general are currently attempting a major and highly experimental operation on the economic body, without benefit of anesthesia.
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