Trade Resources Industry Views Injecting a Little Anesthetic Near a Nerve Bundle in The Neck Cut Troublesome Hot Flashes

Injecting a Little Anesthetic Near a Nerve Bundle in The Neck Cut Troublesome Hot Flashes

Injecting a little anesthetic near a nerve bundle in the neck cut troublesome hot flashes significantly, shows a new randomized, controlled trial published online today in Menopause, the journal of The North American Menopause Society (NAMS). The technique could give women who cannot or prefer not to take hormones or other medications an effective treatment alternative.

In this study from two Chicago medical schools, Northwestern University and the University of Illinois at Chicago, 40 women who had moderate to severe hot flashes got either a stellate ganglion block-an injection of tiny amounts of anesthetic near a nerve bundle in the neck-or an injection of plain saline solution. Both groups of women kept diaries of the frequency and severity of their hot flashes from two weeks before the injection until six months afterward. In addition, for 24 hours at the start of the study and three months after the injection, the women wore skin conductance monitors, which measured hot flashes objectively and also let the women record when they felt a hot flash.

On average, the women had 10 hot flashes a day, rating two-thirds of them moderate or severe. (Hot flashes lasting up to 15 minutes with symptoms such as perspiration, clammy skin, dry mouth, tense muscles, and rapid heartbeat were considered "moderate." Hot flashes lasting up to 20 minutes with symptoms such as "raging furnace" warmth, weakness, feeling faint, extreme perspiration, and heart irregularities were considered "severe.")

Source: http://www.news-medical.net/news/20140205/Randomized-trial-shows-injecting-anesthetic-near-nerve-bundle-cut-troublesome-hot-flashes.aspx
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Randomized Trial Shows Injecting Anesthetic Near Nerve Bundle Cut Troublesome Hot Flashes