Background: Following laparoscopic colorectal surgery, transabdominal specimen extraction requires a mini-laparotomy or Pfannenstiel incision, associated with increased postoperative pain and wound complications. The vagina has several unique properties that make natural orifice specimen extraction (NOSE) ideal. We report our experience with transvaginal NOSE for colorectal cancer surgery.
Materials And Methods: A transvaginal sizer allows the posterior vagina to be incised under tension. A transverse or cruciate incision is made, followed by the insertion of a double-ring wound protector. The external ring is opened against the perineum to shorten the length of the conduit for specimen delivery. Vaginotomy closure is performed via laparoscopy using a barbed suture.
Results: Seventeen consecutive female patients underwent elective colorectal cancer surgery with attempted transvaginal NOSE. Median age and body mass index was 67 (range: 50 to 82) years and 26.5 (range: 19.7 to 35.8) kg/m 2 , respectively. Fourteen patients (82%) underwent left-sided resections and 3 (18%) underwent right-sided resections. Median operating time, blood loss, and length of hospital stay was 245 (range: 155 to 360) minutes, 30 (range: 10 to 500) mL, and 3 (range: 2 to 9) days, respectively. Transvaginal extraction was unsuccessful in 1 (6%) patient. Two (12%) patients experienced early postoperative morbidity, neither attributable to the extraction procedure. Median tumor circumferential diameter was 3.3 (range: 2.2 to 7.0) cm. Median follow-up duration was 17 (range: 8 to 27) months. There was no instance of sexual dysfunction.
Conclusions: Transvaginal NOSE for colorectal cancer surgery is feasible and safe in selected patients. Overall specimen diameter, inclusive of tumor and mesentery, relative to pelvic outlet and conduit diameter is the most important consideration for transvaginal NOSE.
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