Use of Nerve Blocks in Gynecologic (GYN) Surgery

The growth of minimally invasive gynecologic (GYN) surgery has driven a parallel evolution in perioperative pain management. Regional anesthesia, particularly nerve blocks, have emerged as a critical strategy to reduce opioid use and enhance recovery across a spectrum of GYN procedures (Pickett et al 2022). These techniques align well with Enhanced Recovery After Surgery (ERAS) protocols and are being increasingly incorporated into multimodal analgesia plans (Geng et al 2023).

Minimally invasive GYN guidelines advocate for a multi-modal approach that includes non-steroidal anti-inflammatory drugs and acetaminophen along with adjuncts such as dexamethasone and local or regional anesthetics (Stone et al 2020). Regional anesthesia includes several nerve blocks that provide analgesia in the torso, as well as epidural and spinal techniques that provide analgesia to the body beyond the torso.

In laparoscopic hysterectomies, the transversus abdominis plane anesthetics (TAP blocks) target nerve beds in less vascular anatomic areas, preventing rapid systemic absorption and breakdown (Pickett et al 2022). This approach prolongs the effect of anesthesia at the surgical site and has been associated with reduced post-operative incisional pain, improved patient comfort, and reduced need for systemic analgesia (Pickett et al 2022).

More complex open pelvic surgeries, such as abdominal myomectomy or oncologic staging, often benefit from additional thoracic epidurals or spinal anesthesia paired with ilioinguinal and iliohypogastric nerve blocks, which can significantly reduce postoperative pain (Dhondt et al 2024). For vaginal surgeries, including prolapse repairs and posterior compartment procedures, pudendal nerve blocks offer targeted relief of deep perineal pain, a common source of delayed recovery and patient dissatisfaction (Wong et al 2021). In office-based cervical procedures such as LEEP or cone biopsy, paracervical blocks remain a time-tested technique to provide effective intraoperative anesthesia without the need for sedation (Limwatanapan et al 2018).

The role of nerve blocks in gynecology extends beyond pain control. By minimizing opioid exposure, these techniques reduce the incidence of postoperative nausea, constipation, and sedation—common drivers of unplanned admissions and prolonged recovery (Pickett et al 2022). Patients who receive targeted regional anesthesia tend to ambulate sooner, experience fewer opioid-related side effects, and report higher satisfaction scores (Niyonkuru et al 2024). This is particularly beneficial in ambulatory surgery centers, where rapid turnover and same-day discharge are essential.

Ideal candidates for nerve blocks include those undergoing outpatient GYN procedures, patients with prior opioid intolerance, and individuals at risk for delayed recovery due to comorbidities or chronic pain syndromes. Conversely, previous pelvic surgery or anatomical variation may pose technical challenges that require consideration during planning.

As the scope and complexity of GYN surgery continue to shift toward less invasive modalities, anesthesiologists and surgical teams are increasingly relying on regional anesthesia to optimize outcomes. Nerve blocks offer a practical, evidence-based method to meet the dual goals of comfort and efficiency, supporting a smoother, safer surgical experience.

References

Dhondt LA, Vereen MS, van de Laar RLO, Stolker RJ, Dirckx M, van Beekhuizen HJ. Efficacy of locoregional analgesic techniques after laparotomy for gynecologic cancer: a systematic review. Int J Gynecol Cancer. 2024;34(9):1423-1430. doi:10.1136/ijgc-2024-005404

Geng ZY, Zhang Y, Bi H, Zhang D, Li Z, Jiang L, Song LL, Li XY. Addition of preoperative transversus abdominis plane block to multimodal analgesia in open gynecological surgery: a randomized controlled trial. BMC Anesthesiol. 2023;23:1981. doi:10.1186/s12871-023-01981-w

Limwatanapan N, Chalapati W, Songthamwat S, Saenpoch S, Buapaichit K, Songthamwat M. Lidocaine spray versus paracervical block during loop electrosurgical excision procedure: a randomized trial. J Low Genit Tract Dis. 2018;22(1):38-41. doi:10.1097/LGT.0000000000000365

Niyonkuru E, Iqbal MA, Zeng R, Zhang X, Ma P. Nerve blocks for post-surgical pain management: a narrative review of current research. J Pain Res. 2024;17:3217-3239. doi:10.2147/JPR.S476563

Pickett C, Patanwala I, Kasper K, Haas DM. Transversus abdominis plane (TAP) blocks for prevention of postoperative pain in women undergoing laparoscopic and robotic gynecologic surgery. Cochrane Database Syst Rev. 2022;2022(11):CD015145. doi:10.1002/14651858.CD015145

Stone R, Carey E, Fader A, Fitzgerald J, Hammons L, Nensi A, et al. Enhanced recovery and surgical optimization protocol for minimally invasive gynecologic surgery: an AAGL white paper. J Minim Invasive Gynecol. 2020;28(2):179-203. doi:10.1016/j.jmig.2020.10.006

Wong J, McClurg AB, Carey ET. Pudendal nerve blocks: an introduction and how-to guide. J Minim Invasive Gynecol. 2021;28(11 Suppl):S133-S134. doi:10.1016/j.jmig.2021.09.240