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  • Title: A double-blind randomized trial comparing the Cavaterm and the NovaSure endometrial ablation systems for the treatment of dysfunctional uterine bleeding.
    Author: Abbott J, Hawe J, Hunter D, Garry R.
    Journal: Fertil Steril; 2003 Jul; 80(1):203-8. PubMed ID: 12849825.
    Abstract:
    OBJECTIVE: To compare two second-generation endometrial ablation systems in women with dysfunctional uterine bleeding (DUB) who want conservative surgical treatment. DESIGN: A double-blind, randomized trial. SETTING: A minimal access gynecological surgery unit in northeast England. PATIENT(S): Fifty-seven women diagnosed with DUB were recruited, with 55 undergoing surgery and completing 12-month follow-up. INTERVENTION(S): Thirty-seven women underwent a NovaSure endometrial ablation, and 18 had a Cavaterm endometrial ablation. Clinical and quality of life data were collected 6 and 12 months after treatment. MAIN OUTCOME MEASURE(S): Amenorrhea, menstrual change, quality of life, sexual activity, patient satisfaction, and procedure acceptability. RESULT(S): Amenorrhea, hypomenorrhea, eumenorrhea, and menorrhagia rates for the Cavaterm and Novasure groups at 12 months were 2/18 (11%) vs. 16/37 (43%); 11/18 (61%) vs. 10/37 (27%); 5/18 (27%) vs. 6/37 (16%); and 0/18 vs. 5/37 (13%), respectively. At 12 months, 83% and 92% of women were either satisfied or very satisfied in the Cavaterm or Novasure groups, respectively. There were no major complications in either group. CONCLUSION(S): Both the Cavaterm and the Novasure endometrial ablation systems are effective in reducing menstrual loss in women with DUB and achieve high rates of patient satisfaction. The Novasure system achieved a statistically significantly higher rate of amenorrhea in this study.
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