Radical hysterectomy: An anatomic evaluation of parametrial dissection

Area of Science:

• Gynecologic surgery
• Pelvic anatomy
• Surgical innovation

Background:

• Vesicouterine ligament dissection can lead to significant blood loss.
• Understanding intrapelvic autonomic nerve pathways is crucial for surgical safety.

Purpose of the Study:

• To reduce blood loss during vesicouterine ligament dissection.
• To investigate and preserve intrapelvic autonomic nerve pathways.

Main Methods:

• Divided pelvic viscera anchoring into lateral supporting and ventrodorsal suspensory systems.
• Developed a novel operative procedure dissecting these systems independently.
• Created an artificial space for parametrial dissection.

Main Results:

• Revealed a new anatomical pathway for the ureter and autonomic nerve.
• Achieved a mean blood loss of 260.1 +/- 114.8 ml during dissection.
• Demonstrated preserved bladder function postoperatively (capacity, detrusor pressure, compliance, flow rate).

Conclusions:

• Established a new classification and dissection method for the parametrium.
• The new procedure decreases blood loss.
• Contributed to the preservation of bladder function during surgery.