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ORLANDO, FLA. -- Cavaterm thermal balloon endometrial ablation appears to be safe and effective for the treatment of menorrhagia, according to several studies presented during the annual meeting of the American Association of Gynecologic Laparoscopists.
The Cavaterm balloon system, which is being considered for approval by the Food and Drug Administration, involves the use of a glycine-filled balloon pressurized to between 180 mm Hg and 200 mm Hg. The glycine is heated to 75[degrees] C and is vigorously circulated for the duration of the procedure to keep the heat evenly distributed. The procedure lasts 15 minutes, and patients can usually return to work within a day.
In one study of 70 women treated with either the Cavaterm thermal balloon or the neodymium:YAG laser and followed for up to 40 months, rates of amenorrhea (39% vs. 44%) and hypomenorrhea (43% vs. 33%) were similar between groups. These differences were not statistically significant, reported Dr. David C. Hunter of South Cleveland Hospital, Middlesbrough, England.
Quality-of-life scores improved substantially in both groups.
In a related report, use of the Cavaterm system resulted in similar amenorrhea rates as endometrial laser intrauterine thermal therapy (ELIYT), which involves the use of diffused laser light to coagulate the endometrium, and the NovaSure system, which involves the use of a three-dimensional bipolar electrode to ablate the endometrium. These techniques compared favorably with endometrial laser ablation, which has been viewed as the gold standard, ...
Source: HighBeam Research, Cavaterm Appears Safe for Menorrhagia.