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Thermomyolysis, Cryomyolysis, and Uterine Artery Embolization
Other laparoscopic techniques being studied include thermomyolysis, which delivers an electric current to a fibroid to destroy it, and cryomyolysis, which involves freezing the fibroid. For both procedures, a laparoscopy is performed and a probe that either heats or freezes the tissue is directly inserted into the targeted fibroid. These procedures are still being investigated for long-term outcomes and are not widely available.
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A newer minimally invasive procedure to treat fibroids, called uterine artery embolization, is a radiological alternative to surgery that involves placing a catheter into a leg artery and guiding the catheter via X-ray images to the arteries of the uterus. A solution containing grain-size polyvinyl particles is then injected into the tubing to deliver the particles directly to the major blood vessels that feed the fibroids to cut off the blood flow to these vessels. Women usually require only an overnight hospital stay and have a much shorter recuperation. A recent randomized study found that embolization improved the quality of life of fibroid sufferers as much as surgery. However, about 20 percent of those who had the less invasive technique wound up having to repeat the procedure or undergo surgery for persistent fibroids. In women close to the age of menopause, this procedure can lead to an absence of periods and loss of ovarian function. The safety of the procedure in women who later wish to become pregnant has not been demonstrated.
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