Pelvic Surgery Research Articles

Positioning in pelvic robotic surgery and its repercussions on patient safety

Objectives: To describe the positions used in robotic pelvic surgery, observe the impact of these positions on patient safety and evaluate precautions for the patient's surgical positioning during the intraoperative period. Methods: A Systematic Literature Review (RSL) was carried out over the last 5 years. Results: 184 articles were located, of which 13 were selected according to PRISMA recommendations. Result: It was found that the main type of positioning used in robotic surgeries of the pelvic region is the trendelenburg associated with the lithotomy position, in addition to the pneumopritoneus. The main complications are: bradycardia, thromboembolisms, increased ocular, intra-abdominal and intra-thoracic pressure, neuropraxia, compartment syndrome, increased ICP, facial edema, injuries to pressure points. Prevention measures include the use of special anti-skid padding and mattresses, buttock padding, adequate positioning of the limbs. The use of fastening straps is recommended to avoid the risk of slips and falls and repositioning to the supine position for 10 minutes every 3 hours.

A giant solitary fibrous tumor of the abdominal pelvic cavity: A case report and literature review.

Solitary fibrous tumor (SFT) is a rare mesenchymal tumor, especially the giant one from the abdominal pelvic cavity. We report on a rare case of a giant SFT of the abdominal pelvic cavity to review the existing literature in detail to improve the diagnosis and treatment of SFT. The patient is a 52-year-old female who presented with 2 weeks of abdominal distension. Abdominal magnetic resonance imaging showed a giant mass (>20 cm) in the abdominal pelvic cavity, considered a mesenchymal tumor. She denies a history of tumor disease. A whole abdomen bulge and a mass of about 18 cm × 10 cm on the right side and middle side were found in the physical examination after admission. Abdominal enhanced computed tomography revealed a giant cystic-solid mass located on the middle and right side of the abdominal pelvic cavity, measuring approximately 20.4 cm × 11.7 cm, with multiple cystic changes and necrosis and compression of adjacent organs and tissues, and marked inhomogeneous enhancement. The patient underwent an open abdominal pelvic cavity giant tumor operation to achieve a radical resection, and did not undergo chemotherapy or radiotherapy. The patient underwent open complete resection of a giant abdominal pelvic tumor with no complications and was diagnosed as SFT according to the pathology, immunohistochemistry showed that the tumor tested positive for CD34(+), STAT-6(+), and Ki-67 (10%). Abdominal computed tomography scans were performed 6 months after resection, and no signs of recurrence or metastasis were found. The clinical symptoms and imaging features of giant abdominal pelvic cavity SFT are not typical. Preoperative diagnosis is difficult and has the potential for malignancy. Based on the results of the current study, there is no standard treatment strategy around the world and the therapeutic effect of radiation therapy and chemotherapy is relatively limited. Thus, complete surgical resection and close clinical follow-up are advocated.

Transobturator-cable-fixation in pelvic ring injuries with symphyseal disruption - a last resort?

The role of transobturator-cable-fixation (TOCF) in traumatic symphyseal rupture of the pelvic ring remains unclear. This case series aims to evaluate TOCF in complex and revision cases in pelvic surgery. A retrospective analysis of a chronological case series was conducted, studying pelvic fractures stabilized using TOCF between January 2006 and December 2022. The variables considered included age, gender, fracture classification, Injury Severity Score (ISS), Body Mass Index (BMI), trauma mechanism, time to surgery, fixation technique, hospital duration, complications, status on discharge (Glasgow Outcome Scale; GOS), follow-up time and indication for the use of TOCF. All patients (N = 7) were male with a mean age of 64 years and a mean BMI of 29. The mean ISS was 45, with the lowest ISS of 25, indicating that only polytraumatized patients were included. Two anterior-posterior-compression-, four lateral-compression-, and one vertical-shear-pelvic-injury were identified. TOCF was added in six cases to support symphyseal plating and in one case to external fixation. The mean hospital stay was 49 days and the mean follow-up duration was 8.5 months. No complications associated with TOCF were observed during the surgical procedure or follow-up. TOCF showed no procedure-associated complications and effectively supported symphyseal healing in all cases. The main indications were obesity, poor bone quality in elderly patients, and revision cases. TOCF could be considered as a last treatment option in open-book pelvic injuries where plating or external fixation is at risk to fail.

Frailty Among Bladder Augmentation Patients: Healthcare Utilization and Perioperative Outcomes

ObjectivesTo study the impact of frailty on healthcare utilization in patients undergoing benign pelvic reconstructive surgery; specifically, bladder augmentation. MethodsAmerican College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) was queried for adults undergoing bladder augmentation between 2005-2022. The Five-Item Frailty Index (FFI) was used to assign a score from 0 to 6. Healthcare resource utilization was defined by 4 metrics: prolonged length of stay (PLOS), 30-day postoperative readmissions (AR), discharge to continued care (i.e. non-home location) (DCC), overall healthcare resource utilization (HRU) which is a composite of the other 3 outcomes, and complications. Multivariable risk-adjusted regression models were generated. Results364 patients were included, the majority being white (71%), female (52%), with a median age of 49 years. After controlling for baseline variables, higher FFI score (≥2) was independently associated with PLOS (OR 1.90 [1.02-3.53], p=0.04), DCC (OR 2.76 [1.24-6.15], p=0.01), and greater overall HRU (OR 2.64 [1.29-5.40], p=0.008) but not AR (OR 2.27 [0.99-5.19], p=0.05). Higher frailty (FFI ≥2) was independently associated with experiencing any complication (OR 2.32 [1.16-4.64], p=0.02) as well as major complications (Clavien ≥3) (OR 2.56 [1.15-5.7] p=0.02). ConclusionsFrail adults undergoing bladder augmentation experience greater HRU and complications. This highlights the importance of frailty in benign pelvic reconstructive surgery and stresses the need for interventions to optimize frail patients.

Evaluation of Latrogenic Genitourinary Fistula after Major Gynaecological Operation in Patient Group Admitted in BSMMU

Introduction: Close proximity of urinary tract and genital systems in females poses potential risk of fistulas formation during surgical interventions. Gynaecological malignancy, bleeding, prolonged surgery, the presence of active infection during operation, endometriosis, large uterus, previous pelvic operation, pelvic adhesions and myoma uteri are major predisposing factors that may increase the risk of urological injuries & genitourinary fistulas. Genitourinary fistulas result in continuous or intermittent urinary incontinence and a significant public health issue with negative physical, emotional and social impacts on individuals. Materials and Methods: This cross sectional observational study was conducted in Department of Obstetrics &Gynaecology, Bangabandhu Sheikh Mujib Medical University, Dhaka, from 27th March 2017 to 26th September 2017. The sample was collected by purposive sampling technique. The study subjects were women with iatrogenic fistula (diagnosed after a clinical examination and investigations) attended in out-patients or in-patients department. Result: Mean age of patients was 32.5 ± 9.54 years. Vesicovaginal fistula was commonest cause for iatrogenic genitourinary fistula, present in 34 patients. Ureterovaginal fistula was 10 patients and 6 patients detected urethrovaginal. Aetiological factors revealed that, 46.0% occurred during vaginal hysterectomy, 18.0% due to abdominal hysterectomy, 20.0% due to laparotomy with salphingoophorectmy and 16.0% during laparotomy with cystectomy. Conclusion: The commonest urogenital fistula is the vesicovaginal fistula. Urinary leakage following gynaecological surgery is a dreaded complication due to the formation of urogenital fistula. Thorough evaluation, using all diagnostic tools for complete diagnosis, understanding the pathophysiology and choosing the best surgical procedure are mandatory to obtain good outcomes after the surgical procedures. Medicine Today 2024, Vol.36 (2): 110-113

Navigation and 3D-imaging in pelvic ring surgery: a systematic review of prospective comparative studies.

Few literature reviews have been published focusing on navigation, robotic or pre-operative planning using 3D-imaging technology (3D-printing, 3D-planning). To our knowledge, no reviews have been performed to assess and compare all these modalities together versus control groups (conventional fluoroscopy) through high Randomized Control Trials (RCTs) and Prospective Control Studies (PCSs). The aim of this study was to assess and compare 3D-imaging technologies from pre-operative planning to per-operative navigation and robotic in the management of pelvic ring fractures through high level studies. A literature search was performed using PubMed, the Cochrane library and Google scholar using keywords up to December 2023. Only prospective comparative studies (RCT and PCS) were included. A total of 341 articles were identified, 39 articles were selected for full-text analysis leaving 7 articles included in this literature systematic review. A trend towards improved precision in screw placement and reduction of radiation exposure without consequences in term of functional outcomes have been identified. No conclusions can be extrapolated regarding operative time and blood loss except for robotic which improve these parameters because robotic arm assistance help surgeons to correctly follow the planning based on 2D-fluoroscopy. Surgery duration and radiation dose are significantly reduced with robotic-arm assistance for the same reasons. With navigation the results have to be nuanced according to the experience of the surgical team. Interest of navigation is emphasized in sacral dysmorphism in comparison with conventional fluoroscopy. This highlights the benefits of navigation for ilio-sacral screw placement in difficult cases and less experimented teams. High level studies which assess and compare 3D-imaging technologies from pre-operative planning to per-operative navigation and robotic in the management of pelvic ring fractures are low. To date and according to the present high level literature, navigation and 3D-technologies in pelvic ring surgery should be recommended for difficult cases. Systematic review of Level II studies.

Postoperative pain management following minimally invasive abdominal cancer surgeries -An audit.

There is limited data comparing pain management following various minimally invasive oncological surgeries (MIOS). This retrospective audit was planned to determine the severity of pain and to study the analgesic modalities offered to these patients. Secondary objectives included studying opioid requirements, non-opioid analgesics, their side effects, and the influence of comorbidities on the choice of pain modalities. Following approval and registration of trial (CTRI/2018/10/016220), data were collected retrospectively from adult patients who underwent elective MIOS for abdominal tumors from August 2017 to July 2018. Pain scores (PS) on the day of surgery, and the average, worst PS, and the morphine equivalent (ME) dose in the perioperative period was recorded. Emergency surgeries and thoracic-abdominal MIOS were excluded. The association between the type of surgery, pain modalities, and PS were compared using Chi-square test. ME dose consumption of patients and type of surgery were compared using ANOVA with Bonferroni's correction. Out of the 349 patients' data that were analyzed, 76% had mild, 22% had moderate, and 2% had severe pain after surgery. Port site infiltration was done in 27% of cases and epidural analgesia in 46 patients (13%). PS and opioid consumption (ME = 5.7 ± 5.2 mg) was significantly higher following pelvic surgeries when compared to other urological and diagnostic MIOS. American Society of Anesthesiologists Physical Status did not affect PS or choice of pain management technique. Most of the patients experience mild pain at movement in the immediate postoperative period, pelvic MIOS (abdominoperineal resection/exenteration surgeries) have higher PS and opioid consumption than other MIOS.

Factors associated with successful intraoperative oocyte retrieval for fertility preservation during open pelvic surgery for gynecologic indications

ObjectiveThe study investigated factors associated with successful intra-operative oocyte retrieval for fertility preservation during transabdominal gynecologic surgery. Study designA total of 29 patients who underwent intraoperative oocyte retrieval during staging surgery at a single academic hospital from May 2014 to August 2022 were enrolled in this study, and their outcomes were analyzed. ResultsAmong 29 patients who underwent intra-operative oocyte retrieval during staging surgery, oocytes were obtained in 24 patients, representing 82.8 % of the retrieval rate (24/29), and two patients returned to use cryopreserved oocytes (6.9 %). Among 24 women who succeeded in obtaining oocytes, 20 patients succeeded in oocyte cryopreservation, and two patients proceeded to embryo cryopreservation. The cryopreservation rate was 91.7 % (22/24). All patients with failed oocyte retrieval (n = 5) and cryopreservation (n = 7) were diagnosed with malignancy. AMH of those with successful cryopreservation oocytes was higher than those without cryopreservation (4.10 ng/mL vs. 1.18 ng/mL, p = 0.003). A higher portion of the unstimulated cycle was observed in those with failed cryopreservation (8.3 % vs. 40.0 %, p = 0.01). No complications were noted. ConclusionFor women planning to undergo open pelvic surgery, intra-operative oocyte retrieval is a feasible option. High serum AMH and ovarian stimulation before surgery may predict successful oocyte cryopreservation.

The Efficacy of Platelet-Rich Plasma in Pelvic Floor Reconstruction Surgery : A Scoping Review of Literature

The Efficacy of Platelet-Rich Plasma in Pelvic Floor Reconstruction Surgery : A Scoping Review of Literature

Urologic Morbidity in Surgery of Placenta Accreta Spectrum in Universitas Andalas Hospital

Background: Hysterectomy for placenta accreta spectrum disorders is known to be associated with urologic morbidity, including intentional or unintentional cystostomy, ureteral injury, and bladder fistula. Case: A 32year old woman with urine retention post total hysterectomy on indications placenta accreta spectrum Grade 3 type 4 S2 segment- 9 days ago, referred to Universitas Andalas Hospital. The patient complained difficulty to urinate, hematuria and supra pubic pain. Physical examination sign of acute abdomen unclear. A Pelvic abdominal ultrasound was performed, the result were Acites and complex acites, left renal hydronefrosis, cystitis and sludge gallblader. From the laboratory result found anemia, leucocytosis, trombositosis, ureum, creatinine and albumin were in normal limit, hyponatremia, hypokalemia, hypocalsemia. The patient were given antibiotics, blood transfusion and natrium, kalium and calcium correction. Cystoscopy was performed to explore the bladder, the result were found adhesion and ruptured at the posterior wall of the bladder a long 3 cm then proceed with laparotomy to repair the bladder and adhesiolisis. During hospitalization, the patient’s condition was good, hemodynamics was stable with sufficient diuresis. The patient was discharged on day 4 after laparotomy of bladder repair with temporary urine catheter installed. Discussion: This patient diagnose previously is placenta accreta spectrum with percreta graded so had a high risk of urologic morbidity. The bladder ruptured occurred after 9th day of hysterectomy. This can occur because the injury during dissection of the uterine vesicular fold undergoes necrosis and then become opens on the 9th day after hysterectomy. A multidisciplinary team should be made in management of placenta accreta spectrum. A team comprising a consultant maternal fetal medicine with pelvic surgery experienced, a blood bank team, an anesthesiologist, a urologist skilled, an interventional radiologist and an experienced neonatologist is advised. Keywords: urologic complication, placenta accreta, urologic morbidity

Greater ischiatic notch plane versus parasacral block in dogs undergoing pelvic limb surgery: a retrospective noninferiority cohort study on perioperative opioid consumption

ObjectiveTo compare perioperative opioid consumption in dogs undergoing pelvic limb surgeries and receiving a lumbosacral plexus block by combining a lumbar [lateral pre-iliac (LPI)] block with a lumbosacral trunk [i.e. parasacral (PS group) or greater ischiatic notch plane (GIN group)] block.Study design Retrospective, descriptive, exploratory, noninferiority cohort study. MethodsMedical records of 37 client-owned dogs were analyzed. Intraoperative (primary outcome) and postoperative (24 hours) opioid use, 24 hour cumulative pain scores and prevalence of complications were compared between the two groups. Opioid use was quantified in morphine equivalents (ME, mg kg–1 ). The noninferiority limit for intraoperative opioid consumption was set at 0.05 ME kg–1 hour–1. Demographic data, procedure duration, surgery type and perioperative dexmedetomidine and ketamine use were also collected. A t-test or Wilcoxon rank-sum test, a Fisher's exact test and multivariable linear regression were used. Significance was set at p < 0.05. ResultsThe GIN and PS groups comprised 17 and 20 dogs, respectively. Total intraoperative ME consumption was 0.17 (0.11–0.21) and 0.22 (0.16–0.30) mg kg–1 hour–1 for the GIN and PS groups, respectively (p = 0.077). The noninferiority analysis adjusted by surgery type and body mass revealed that the mean difference between the groups (GIN – PS) was –0.039 (95% CI –0.11–0.03, p = 0.247) ME mg kg–1 hour–1, indicating that the GIN group was not inferior to the PS group regarding intraoperative ME consumption. Dexmedetomidine and ketamine use, postoperative ME consumption and pain scores were similar between groups. Conclusions and clinical relevanceThis retrospective study and preliminary observations support the clinical use of the GIN plane block, demonstrating its noninferiority to the PS block when combined with the LPI block for multimodal perioperative analgesia in dogs undergoing pelvic limb surgeries.

Vesico-obturator venous plexus - a rare termination of obturator vein.

Obturator vein usually terminates into the internal iliac vein. Its variations are the cause major bleeding problems in pelvic surgeries. We observed a rare variation in the termination of the right obturator vein. There was a duplication of right obturator vein. Both obturator veins entered the pelvic cavity through the obturator foramen and joined with two vesical veins to form a vesico-obturator plexus. This plexus surrounded the internal iliac artery and terminated into the internal iliac vein. Awareness of this rare variation could be of importance to anatomists, radiologists, gynaecologists, urologists, and orthopaedic surgeons. The plexus might lead to hazardous bleeding in pelvic lymph node clearance procedures, hernia surgeries, gynaecological and orthopaedic procedures in this region. The pelvic fractures too can provoke dramatic retroperitoneal hematomas related to these veins injuries.

Erectile Dysfunction in Adults: A Review of Neurological Causes and Risk Factor Analysis

Erectile dysfunction (ED) is a prevalent condition affecting adult men globally, characterized by the inability to achieve or maintain an erection sufficient for sexual intercourse. Neurological causes, including multiple sclerosis, Parkinson's disease, ischemic stroke, congenital spinal abnormalities, and spinal cord injuries, disrupt neural pathways essential for erectile function. Additionally, chronic conditions such as diabetes mellitus, hypertension, hyperlipidemia, and cardiovascular diseases, along with lifestyle factors like smoking and alcohol consumption, exacerbate ED by compromising vascular health. Psychological stressors further complicate the etiology of ED. Pelvic surgeries, cavernous nerve injuries, and certain medications, including antihypertensives and antidepressants, contribute to ED progression. Effective management requires addressing these neurological, vascular, hormonal, and psychological factors, necessitating a multidisciplinary approach involving specialists such as neurologists, urologists, endocrinologists, and mental health professionals. This review highlights the complex interplay between neurological disorders, systemic conditions, and lifestyle factors in the pathophysiology of ED, emphasizing the need for tailored treatment strategies targeting the underlying contributors to improve patient outcomes.

Developing a curriculum for advanced fellowship training in complex cancer for the UK.

Surgery for complex colorectal cancer is elaborate: preoperative assessment, patient selection, radiological interpretation, operative strategy, operative technical skills, operative standardization, postoperative care and management of complications are all critical components. Given this complexity, training that encompasses all these crucial aspects to generate suitably edified surgeons is essential. To date, no curriculum exists to guide training in advanced and recurrent pelvic malignancy, particularly for complex colorectal cancer. Such a curriculum would potentially offer numerous advantages, not only for individual surgeons but also for research, governance, international collaboration and benchmarking. The aim of this study was to design and develop a framework for a curriculum for fellowship training in complex colorectal cancer that encompasses pelvic exenteration surgery. Kern described a six-step method for curriculum design that is now widely adopted in medical education. Our study utilizes steps 1-4 of Kern's method to develop a syllabus and assessment framework for curriculum development for fellowship training in complex colorectal cancer encompassing pelvic exenteration. A literature review was conducted to address step 1, followed by targeted needs assessment in step 2 by conducting focus groups with trainees, fellows and experts to identify learning needs and goals with objective setting for step 3. An expert consensus group then voted on these recommendations and developed educational strategy recommendations as step 4. For the purposes of brevity, 'pelvic exenteration' in the text is taken to also encompass extended and multivisceral resections that fall under the remit of complex [colorectal] cancer. Step 1 of Kern's method identified a gap in the literature on curricula in complex cancer surgery. Step 2 identified key areas regarded as learning needs by trainees, including anatomy, hands-on experience and case volume. Step 3 defined the goals and objectives of a fellowship curriculum, defined in six domains including theoretical knowledge, decision-making, technical skills, postoperative management and continuing professional development. Finally, as a prelude to stages 5 and 6, a strategy for implementation and for feedback and assessment was agreed by an expert consensus meeting that defined case volume (a minimum of 20 pelvic exenteration operations within a fellowship period) and coverage of this syllabus with derived metrics. Our working group has developed a curriculum framework for advanced fellowship training in complex cancer in the UK. Validation is needed through implementation, and affirmation of its utility, both nationally and internationally, must be sought.

Evaluation of the benefit of indocyanine green as an educational and practical tool for ureteral identification in laparoscopic pelvic surgery: a cross-sectional study

Background Indocyanine green (ICG) is a visible near-infrared fluorescent dye. Several studies have reported its benefit in identifying important anatomical structures, tissue vascularization, and sentinel lymph nodes in the case of tumors. Studies have shown that ICG is critical and safe in gynecologic surgeries. However, research on how ICG dye can help surgeons in laparoscopic surgeries correctly identify the course of the ureter has yet to be further investigated. Method This cross-sectional study enrolled 62 gynecology attending and resident surgeons who were asked to identify the course of the ureter on images of laparoscopic surgeries. The results were then compared with images in which ICG dye highlighted the course of the ureter. The purpose of this study was to detect the ability of surgical assistants and residents to adequately identify the course of the ureter in laparoscopic pelvic surgeries. Results No statistically significant differences were found in terms of year of residency, years of experience, number of laparoscopic procedures attended, and correct identification of ureter course. ICG proved useful in identifying the correct ureteral trajectory. Conclusions ICG can be a valuable tool to improve the correct identification of ureters and improve surgical outcomes.

Reproductive life factors and estro-progestin exposure in women with early-onset Parkinson's disease compared to late-onset disease and controls: A retrospective cohort study

BackgroundParkinson's disease (PD) is more common in men than women. Although hormonal factors may partially explain this difference, there are no studies evaluating reproductive life factors and exogenous estroprogestin exposure in women with Early Onset Parkinson Disease (EOPD). ObjectiveTo compare reproductive life factors and exogenous estroprogestin exposure among female patients with EOPD, late-onset Parkinson's disease (LOPD), and EOPD-matched unaffected controls. MethodsWe identified female patients with EOPD from 1989 to 2021, defining EOPD as PD with motor-symptoms onset before age 50 and LOPD as PD with motor onset after 50. We paired EOPD patients to age-matched, unaffected controls. We reviewed medical records to determine demographic characteristics, clinical history, and reported reproductive menopausal history (reviewing medical records). ResultsWe included 87 EOPD patients, 84 LOPD patients, and 91 unaffected controls with information about reproductive life factors and exogenous estroprogestin exposure in their medical records. There were no significant differences in race, ethnicity, or BMI between the three groups. EOPD patients were more likely to have used hormonal contraception than LOPD patients (23/49 (47 %) vs 0/84 (0 %), p < 0.001). LOPD patients had higher numbers of pelvic surgeries (48/84 [57 %] in LOPD, 23/87 [26 %] in EOPD, p < 0.001) and higher usage of perimenopausal hormonal therapy (52/84 [62 %] in LOPD, 10/87 [11 %] in EOPD, p < 0.001) in LOPD than EOPD. ConclusionsOur study reports no significant difference in reproductive life factors and exogenous estroprogestin exposure between controls and EOPD patients, except for higher exposure to hormonal contraception in EOPD. There was no apparent difference in reproductive life factors and exogenous estroprogestin exposure between EOPD and LOPD patients. Our findings therefore do not observe that hormonal exposure is different between earlier onset of female EOPD compared to female LOPD patients, or between female EOPD patients and unaffected female controls.

Association of maximum uterine diameter with postoperative complications in laparoscopic supracervical hysterectomy: A retrospective cohort study.

To determine the maximum uterine diameter threshold associated with an elevated risk of complications following laparoscopic supracervical hysterectomy (LSH). This was a retrospective cohort study from a single tertiary referral center. We enrolled patients who underwent LSH for benign indications at our hospital between January 2013 and June 2023. The primary outcome was the occurrence of surgical complications within the 30-day timeframe of hysterectomy. The covariate included the year of the procedure, patient age, body mass index, parity, American Society of Anesthesiologists classification, comorbidities, history of previous abdominal and pelvic surgery, and preoperative anemia, blood loss, surgical time, hospital stay and pathology. The exclusion criteria comprised those who underwent hysterectomy for malignancy, individuals who underwent total vaginal hysterectomy or laparoscopically assisted vaginal hysterectomy, and those with missing data on uterine maximum diameter, study outcomes, or covariates. We included a final sample of 120 patients, revealing a median uterine diameter of 9.12 cm, with 9.2% experiencing complications. The median uterine weight among 40 patients was 275 g. Receiver operating characteristic (ROC) curve analysis suggested a potential cutoff of 11.55 cm for predicting complications, with an area under the ROC curve of 0.67. Multivariate logistic regression confirmed a significant association between uterine diameter exceeding the cutoff and increased complication risk (OR 33.925, 95% CI: 2.294-501.690, P = 0.0103). A correlation (r = 0.762, P < 0.001) between uterine weight and diameter indicated the latter's suitability for preoperative assessment of uterine weight. The maximum uterine diameter with an optimal cutoff of 11.55 cm was associated with increased complication risk.

O-229 Neck scarf of ureter and Intraoperative ICG-fluorescence for preventing ureters injuries in Da Vinci Robotic deep infiltrating endometriosis excision

Abstract Study question To prevent ureters injury during deep infiltrating endometriosis excision. Summary answer Identify the ureter course with ICG and near-infrared fluorescence (NIRF) imaging mode and traction with a vessel loop like neck scarf in white light mode. What is known already Deep infiltrating endometriosis is one of the most challenging gynecologic operation due to the distorted anatomy by the fibrosis of endometriosis gland.Identification of ureters through intraurethral ICG instillation and NIRF imaging has been reported to be useful during robotic surgery. However, surgeons cannot do robotic ureterolysis in Firefly NIRF imaging mode. When shift back to the white light mode, surgeons could only try to remember the ureter course during the ureterolysis procedure.When the ureter course was in doubt, the surgeon must shift back to the ICG-NIRF image mode again. Study design, size, duration From 2017 Jan1 till 2024 Jan 7, a single surgeon perform 47 consecutive patients with DIE received robotic surgery with ureterolysis from pelvic brim to the level of uterine vessels crossing them. Yellow and blue rubber bands were used to collar the ureters as a neck scarf, with Da Vinci robot system (SI, XI)The third arm as an stable assistant to traction the neck scarf to traction ureter indirectly in different direction when ureterolysis. Participants/materials, setting, methods We perform cystoscopy and intraurethral ICG injection with or without ureteral stent placement and Inject ICG-fluorescence with Firefly fluorescence imaging if the ureters were hard to find due to adhesion and fibrosis. Under the Firefly NIRF imaging mode,the location of ureter over the pelvic brim was found and the vessel loops were set up. Then shift back to white light mode to do the ureterolysis. Main results and the role of chance 47 consecutive patients with deep infiltrating endometriosis were safely operated without fistula, ureter injury, laceration during one month to 5 years period follow up. In them 2 patients need cystoscopy and ICG-NIRF help to setting up the vessel’s loops. Conclusion The surgeons could always keep the ureter safety during difficult endometriosis dissection with the vessel loops over the ureter as a neck scarf.There will be an indirect traction force pulled by robotic assistant forceps in the regular robotic laparoscopy light source mode during ureterolysis. The Firefly NIRF imaging mode could be used to help in setting up the neck scarf of ureters when the adhesion and fibroisis made the ureters course obscure. Limitations, reasons for caution Indocyanine Green is a fluorescent substance visible in near-infrared light. It is FDA-approved with IV injection for the identification of anatomical structures.The intra-ureteral ICG injection is off-label use. Wider implications of the findings Our techniques could be applied to all pelvic surgeries especially DIE, broad ligament and cervix myoma, scar defect repair and gynecologic cancer surgery, to preventing the ureters injured. However, further studies will be warranted. Trial registration number non-clinical trials

Diagnostic MRI for deep pelvic endometriosis: towards a standardized protocol?

To assess the diagnostic efficacy of an MRI protocol and patient preparation in detecting deep pelvic endometriosis (DPE). The cohort is from the ENDOVALIRM database, a multicentric national retrospective study involving women who underwent MRI followed by pelvic surgery for endometriosis (reference standard). Two senior radiologists independently analyzed MRI findings using the deep pelvic endometriosis index (dPEI) to determine lesion locations. The study evaluated the impact of bowel preparation, vaginal and rectal opacification, MRI unit type (1.5-T or 3-T), additional sequences (thin slice T2W or 3DT2W), and gadolinium injection on reader performance for diagnosing DPE locations. Fisher's exact test assessed differences in diagnostic accuracy based on patient preparation and MRI parameters. The final cohort comprised 571 women with a mean age of 33.3 years (± 6.6 SD). MRI with bowel preparation outperformed MRI without bowel preparation in identifying torus/uterosacral ligament (USL) locations (p < 0.0001) and rectosigmoid nodules (p = 0.01). MRI without vaginal opacification diagnosed 94.1% (301/320) of torus/USL locations, surpassing MR with vaginal opacification, which diagnosed 85% (221/260) (p < 0.001). No significant differences related to bowel preparation or vaginal opacification were observed for other DPE locations. Rectal opacification did not affect diagnostic accuracy in the overall population, except in patients without bowel preparation, where performance improved (p = 0.04). There were no differences in diagnostic accuracy regarding MRI unit type (1.5-T/3-T), presence of additional sequences, or gadolinium injection for any endometriotic locations. Bowel preparation prior to MRI examination is preferable to rectal or vaginal opacification for diagnosing deep endometriosis pelvic lesions. Accurate diagnosis and staging of DPE are essential for effective treatment planning. Bowel preparation should be prioritized over rectal or vaginal opacification in MRI protocols. Optimizing MRI protocols for diagnostic performance with appropriate opacification techniques will help diagnose deep endometriosis more accurately. Evaluating deep endometriosis in collapsible organs such as the vagina and rectum is difficult. Bowel preparation and an absence of vaginal opacification were found to be diagnostically beneficial. Bowel preparation should be prioritized over rectal or vaginal opacification in MRI protocols.

Meso-ileal ectopic varicose vein with uterine systemic shunt as an uncommon cause of severe lower gastrointestinal bleeding in patient with mild portal hypertension.

Abstract Ectopic varicose veins of the small intestine are an uncommon cause of gastrointestinal bleeding in patients with portal hypertension. We present the case of a 52-year-old female patient with mild portal hypertension and repeat episodes of lower gastrointestinal bleeding because of meso-ileal ectopic varicose vein with systemic uterine shunt secondary to previous pelvic surgery, radiological findings and treatment performed.