Surgical Techniques

Hysterectomy in patients with history of prior cesarean delivery: A reverse dissection technique for vesicouterine adhesions

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Vesicouterine adhesions resulting from prior CDs or other surgeries can distort the pelvic anatomy and present challenges during laparoscopic hysterectomy. These experts describe a dissection technique that creates a “new” space and permits safe separation of the bladder from the uterus and cervix, reducing the risk of injury to adjacent structures.


 

References

Minimally invasive surgical techniques, which have revolutionized modern-day surgery, are the current standard of care for benign hysterectomies.1-4 Many surgeons use a video-laparoscopic approach, with or without robotic assistance, to perform a hysterectomy. The development of a bladder flap or vesicovaginal surgical space is a critical step for mobilizing the bladder. When properly performed, it allows for appropriate closure of the vaginal cuff while mitigating the risk of urinary bladder damage.

In patients with no prior pelvic surgeries, this vesicovaginal anatomic space is typically developed with ease. However, in patients who have had prior cesarean deliveries (CDs), the presence of vesicouterine adhesions could make this step significantly more challenging. As a result, the risk of bladder injury is higher.5-8

With the current tide of cesarean birth rates approaching 33% on a national scale, the presence of vesicouterine adhesions is commonly encountered.9 These adhesions can distort the anatomy and thereby create more difficult dissections and increase operative time, conversion to laparotomy, and inadvertent cystotomy. Such a challenge also presents an increased risk of injuring adjacent structures.

In this article, we describe an effective method of dissection that is especially useful in the setting of prior CDs. This method involves developing a "new" surgical space lateral and caudal to the vesicocervical space.

Steps in operative planning

Preoperative evaluation. A thorough preoperative evaluation should be performed for patients planning to undergo a laparoscopic hysterectomy. This includes obtaining details of their medical and surgical history. Access to prior surgical records may help to facilitate planning of the surgical approach. Previous pelvic surgery, such as CD, anterior myomectomy, cesarean scar defect repair, endometriosis treatment, or exploratory laparotomy, may predispose these patients to develop adhesions in the anterior cul-de-sac. Our method of reverse vesicouterine fold dissection can be particularly efficacious in these settings.

Surgical preparation and laparoscopic port placement. In the operative suite, the patient is placed under general anesthesia and positioned in the dorsal lithotomy position.10 Sterile prep and drapes are used in the standard fashion. A urinary catheter is inserted to maintain a decompressed bladder. A uterine manipulator is inserted with good placement ensured.

Per our practice, we introduce laparoscopic ports in 4 locations. The first incision is made in the umbilicus for the introduction of a 10-mm laparoscope. Three subsequent 5-mm incisions are made in the left and right lower lateral quadrants and medially at the level of the suprapubic region.10 Upon laparoscopic entry, we perform a comprehensive survey of the abdominopelvic cavity. Adequate mobility of the uterus is confirmed.11 Any posterior uterine adhesions or endometriosis are treated appropriately.12

First step in the surgical technique: Lateral dissection

We proceed by first desiccating and cutting the round ligament laterally near the inguinal canal. This technique is carried forward in a caudal direction as the areolar tissue near the obliterated umbilical artery is expanded by the pneumoperitoneum. With a vessel sealing-cutting device, we address the attachments to the adnexa. If the ovaries are to be retained, the utero-ovarian ligament is dessicated and cut. If an oophorectomy is indicated, the infundibulopelvic ligament is dessicated and cut.

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