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Biomedical subjects

J Dequesne

Publications and source records attributed to J Dequesne.

9 recordsLinked to original sources
PubMed1996

Endometrial ablation using a distensible multielectrode balloon.

The VestaBlate system uses a multielectrode intrauterine balloon as a device to create effective and safe endometrial ablation (EA). The surface of the distensible balloon is impregnated with thermistors and thin, platelike electrodes. It is designed to deliver low-power electroenergy to the endometrium. Unlike the resectoscope techniques that require nonelectrolytic fluids for uterine distention, moving electrodes at high power outputs, and other variables that are operator dependent, the VestaBlate is computer controlled using a standard type electrosurgical generator. A respiratory enzyme stain, nitroblue tetrazoleum, was used to determine the extent and depth of tissue necrosis to a myometrial depth of 2 to 4 mm with uniform destruction of tissue with power setting at 45 W for a 4-minute application of energy. Sixty-nine patients have been treated, with 45 followed for at least 3 to 9 months. The amenorrhea rate is 40%; the oligomenorhea-hypomenorrhea rate is 49%.

Electrodes↗
PubMed1986

One-stage phalloplasty in transsexuals.

Until now, phalloplasty in transsexuals has been done with cutaneous and musculocutaneous flaps from the abdomen or the thigh in multiple procedures over a long period. We report a one-stage phalloplasty in female transsexuals with a modified Chinese forearm flap, including the cutaneous nerves anastomosed to the genital branches of the ilioinguinal and iliohypogastric nerves and the perineal branches of the pudendal nerve to obtain true genital sensibility. Immediate hysterectomy and vaginal closure are performed, providing vaginal skin to complete the neoscrotum built up with the labia and to cover the glans. A vaginal flap draped around the catheter provides the urethra, which is stripped through the dermal tube of the forearm flap acting as a corpus spongiosum. Autogenous costal cartilage is used as a stent for reinforcement, substituting for the corpora cavernosa. The donor forearm area is covered with split skin.

Female↗