Presented by:
Harbinder Benning
Affiliations:
University of Manitoba
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What Is The Döderlein-Krönig Approach?
The Döderlein–Krönig approach is a vaginal hysterectomy technique in which the uterus is removed through the vagina using an anterior-first surgical approach. Unlike the traditional Heaney technique, it uses an anterior colpotomy and anterior delivery of the uterine fundus, which can improve visualization of the uterine blood supply and pelvic support structures. Here’s what it involves:
- Anterior Colpotomy: An incision is made through the anterior vaginal wall to enter the pelvic cavity in front of the uterus.
- Bladder Mobilization: The bladder is carefully separated and moved away from the cervix and lower uterus to protect it during surgery.
- Anterior Fundal Delivery: The uterine fundus is brought forward through the anterior opening, changing the orientation of the uterus and improving access to deeper structures.
- Uterine Mobilization: The uterus is progressively brought downward, providing improved visualization and access to its supporting tissues and vascular pedicles.
- Vascular Pedicle Control: The uterine vessels and associated pedicles are identified, secured, and divided to control bleeding.
- Uterosacral Ligament Identification: The approach can provide clear visualization of the uterosacral ligaments, which are important structures for vaginal and pelvic support.
- Uterine Removal and Closure: Once the remaining attachments are divided, the uterus is removed vaginally and the surgical site is carefully inspected and closed.
The Döderlein–Krönig technique provides an alternative route for vaginal hysterectomy, particularly in patients with pelvic organ prolapse, while retaining the benefits of avoiding abdominal incisions.
What are the risks of The Döderlein-Krönig Approach?
As with other vaginal hysterectomy techniques, the Döderlein–Krönig approach involves operating close to the bladder, ureters, bowel, blood vessels, and pelvic support structures.
- Bleeding: Injury to the uterine vessels or other vascular pedicles can cause significant bleeding during or after surgery.
- Bladder Injury: Because the procedure begins with anterior dissection and mobilization of the bladder, inadvertent bladder injury can occur.
- Ureteral Injury: The ureters run near the uterine blood supply and may be injured during clamping, sealing, or division of vascular pedicles.
- Bowel Injury: Although uncommon, the bowel can be injured during entry into the pelvic cavity or subsequent dissection.
- Infection: Vaginal cuff, urinary tract, or pelvic infections can occur following surgery.
- Vaginal Cuff Complications: Bleeding, poor healing, infection, or separation of the vaginal cuff may occur after hysterectomy.
- Pelvic Support Changes: Alteration of the uterine and vaginal support structures may contribute to future vaginal vault prolapse, particularly if adequate support is not restored.
- General Surgical Risks: Blood clots, urinary retention, anesthesia-related complications, and rarely the need to convert to another surgical approach are possible.
Careful bladder mobilization, clear identification of vascular and supporting structures, secure control of surgical pedicles, and appropriate restoration of vaginal support help minimize these risks.