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Endometrial Ablation with the EnAbl System

Bustos-Lopez¹, Ibarra-Chavarria, Vadillo-Ortega

¹Department of Sterility and Infertility, Instituto Nacional de Perinatologia, Urales 800 Lomas de Chapultepec, Mexico City, 11000 Mexico.

The Journal of the American Association of Gynecologic Laparoscopists

|August 1, 1996

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This study evaluated a novel heated saline endometrial ablation system, EnAbl, in 11 patients. The EnAbl system demonstrated safe and effective treatment depths with low peripheral temperatures.

Area of Science:

Gynecology
Minimally Invasive Surgery

Background:

Endometrial ablation is a common procedure for abnormal uterine bleeding.
Newer methods aim for improved efficacy and safety profiles.

Purpose of the Study:

To assess the safety and efficacy of the EnAbl system, a novel heated saline endometrial ablation method.
To evaluate treatment depth and peripheral tissue temperatures during the procedure.

Main Methods:

The EnAbl system, utilizing a flexible probe for heated saline circulation, was used in 11 patients undergoing hysterectomy.
Temperatures of saline, uterine serosa, subserosa, and oviducts were monitored during the 15-minute procedure.
Histological analysis determined the depth of myometrial necrosis.

Main Results:

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Histology showed an average treatment depth of 4 mm, including surface myometrial necrosis.
Necrosis depth was consistent across the uterine cavity, even with myomas.
Peripheral temperatures (serosa, subserosa, oviducts) remained below 45°C during treatments at 70-85°C.

Conclusions:

The EnAbl system provides an effective depth of endometrial treatment.
The heated saline method maintains safe peripheral tissue temperatures, indicating a favorable safety profile.