Ultrasonography and robotic-assisted laparoscopic sacrocervicopexy with pubocervical fascia reconstruction: comparison with standard technique

Intraoperative image-guidance during robotic surgery: is there clinical evidence of enhanced patient outcomes?

BACKGROUND

To date, the benefit of image guidance during robot-assisted surgery (IGS) is an object of debate. The current study aims to address the quality of the contemporary body of literature concerning IGS in robotic surgery throughout different surgical specialties.

METHODS

A systematic review of all English-language articles on IGS, from January 2013 to March 2023, was conducted using PubMed, Cochrane library's Central, EMBASE, MEDLINE, and Scopus databases. Comparative studies that tested performance of IGS vs control were included for the quantitative synthesis, which addressed outcomes analyzed in at least three studies: operative time, length of stay, blood loss, surgical margins, complications, number of nodal retrievals, metastatic nodes, ischemia time, and renal function loss. Bias-corrected ratio of means (ROM) and bias-corrected odds ratio (OR) compared continuous and dichotomous variables, respectively. Subgroup analyses according to guidance type (i.e., 3D virtual reality vs ultrasound vs near-infrared fluoresce) were performed.

RESULTS

Twenty-nine studies, based on 11 surgical procedures of three specialties (general surgery, gynecology, urology), were included in the quantitative synthesis. IGS was associated with 12% reduction in length of stay (ROM 0.88; p = 0.03) and 13% reduction in blood loss (ROM 0.87; p = 0.03) but did not affect operative time (ROM 1.00; p = 0.9), or complications (OR 0.93; p = 0.4). IGS was associated with an estimated 44% increase in mean number of removed nodes (ROM 1.44; p < 0.001), and a significantly higher rate of metastatic nodal disease (OR 1.82; p < 0.001), as well as a significantly lower rate of positive surgical margins (OR 0.62; p < 0.001). In nephron sparing surgery, IGS significantly decreased renal function loss (ROM 0.37; p = 0.002).

CONCLUSIONS

Robot-assisted surgery benefits from image guidance, especially in terms of pathologic outcomes, namely higher detection of metastatic nodes and lower surgical margins. Moreover, IGS enhances renal function preservation and lowers surgical blood loss.

Permanent Compared With Absorbable Suture in Apical Prolapse Surgery: A Systematic Review and Meta-analysis

OBJECTIVE

To explore how permanent compared with absorbable suture affects anatomic success in native tissue vaginal suspension (uterosacral ligament suspension and sacrospinous ligament suspension) and sacrocolpopexy with mesh.

DATA SOURCES

MEDLINE, EMBASE, and ClinicalTrials.gov were searched through March 29, 2022.

METHODS OF STUDY SELECTION

Our population included women undergoing apical prolapse surgery (uterosacral ligament suspension and sacrospinous ligament suspension and abdominal sacrocolpopexy). Our intervention was permanent suture for apical prolapse surgery, and our comparator was absorbable suture. We determined a single anatomic success proportion per study. Adverse events collected included suture and mesh exposure, surgery for suture and mesh complication, dyspareunia, and granulation tissue. Abstracts were doubly screened, full-text articles were doubly screened, and accepted articles were doubly extracted. Quality of studies was assessed using GRADE (Grading of Recommendations Assessment, Development and Evaluation) criteria. In single-arm studies using either permanent or absorbable suture, random effects meta-analyses of pooled proportions were used to assess anatomic success. In comparative studies investigating both suture types, random effects meta-analyses of pooled risk ratios were used.

TABULATION, INTEGRATION, AND RESULTS

Of 4,658 abstracts screened, 398 full-text articles were assessed and 63 studies were included (24 vaginal suspension [13 uterosacral ligament suspension and 11 sacrospinous ligament suspension] and 39 sacrocolpopexy). At 2-year follow-up, there was no difference in permanent compared with absorbable suture in uterosacral ligament suspension and sacrospinous ligament suspension (proportional anatomic success rate 88% [95% CI 0.81-0.93] vs 88% [95% CI 0.82-0.92]). Similarly, at 18-month follow-up, there was no difference in permanent compared with absorbable suture in sacrocolpopexy (proportional anatomic success rate 92% [95% CI 0.88-0.95] vs 96% [95% CI 0.92-0.99]). On meta-analysis, there was no difference in relative risk (RR) of success for permanent compared with absorbable suture for uterosacral ligament suspension and sacrospinous ligament suspension (RR 1.11, 95% CI 0.93-1.33) or sacrocolpopexy (RR 1.00, 95% CI0.98-1.03).

CONCLUSION

Success rates were similarly high for absorbable and permanent suture after uterosacral ligament suspension, sacrospinous ligament suspension, and sacrocolpopexy, with medium-term follow-up.

SYSTEMATIC REVIEW REGISTRATION

PROSPERO, CRD42021265848.

Evaluation of the Pubocervical Fascia With 3-Dimensional Endovaginal Ultrasonography and Correlation With Intraoperative Findings During Robotic Sacrocervicopexy

OBJECTIVES

To evaluate the pubocervical fascia (PF) in patients with pelvic organ prolapse (POP) using 3-dimensonal endovaginal ultrasonography (EVUS) and to correlate the PF appearance with both pelvic examination and intraoperative findings during ultrasonographic robotic-assisted laparoscopic sacrocervicopexy and pubocervical fascia reconstruction (u-RALS-PFR).

METHODS

A retrospective analysis was performed in 120 women with symptomatic POP. Preoperative evaluation was done using EVUS. We identified areas of PF weakness based on pelvic examination as hypoechoic and hyperechoic defects (HHD) between the bladder and vagina. Study measurements included distance from the HHD to the pubic symphysis, HHD to the bladder neck, HHD to the posterior bladder wall, and hypoechoic-hyperechoic area. We correlated these metrics with the respective POP-Q stages and findings during u-RALS-PFR.

RESULTS

Using the quantitative measures during EVUS, we found a significant association between mean HHD (2.7 cm) and POP-Q stage III, and between HHD and number of plications performed during surgery. The larger the HHD, the more severe the POP-Q stage of the anterior compartment of the vaginal wall; thus, more plications were performed on the PF (7-12 plications) during robotic sacrocervicopexy, and consequently the anterior arm of the Y-mesh was significantly trimmed (6-8 cm).

CONCLUSION

HHD obtained by EVUS was associated with severe POP-Q stage III and seemed to correlate with the number of plications during robotic sacrocervicopexy. Performing these plications on the PF significantly decreased the length of the anterior vaginal mesh needed for the procedure. These findings may open new applications for preoperative ultrasonography in evaluation and treatment of patients with apical and anterior POP.