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Objective: Same day discharge is safe after minimally invasive gynecology oncology surgery. Our quality improvement peri-operative program based on enhanced recovery after surgery principles led to an increase in same day discharge from 30% to 75% over a 12 month period. Twelve months after program implementation, we assessed the sustainability of same day discharge rates, determined post-operative complication rates, and evaluated factors affecting same day discharge rates., Methods: A retrospective chart review was conducted of 100 consecutive patients who underwent minimally invasive surgery at an academic cancer center from January to 2021 to December 2021. This cohort was compared with the active intervention cohort (n=102) from the implementation period (January 2020 to December 2020). Same day discharge rates and complications were compared. Multivariable analysis was performed to assess which factors remained associated with same day discharge post-intervention., Results: Same day discharge post-intervention was 72% compared with 75% during active intervention (p=0.69). Both cohorts were similar in age (p=0.24) and body mass index (p=0.27), but the post-intervention cohort had longer operative times (p=0.001). There were no significant differences in 30-day complications, readmission, reoperation, or emergency room visits (p>0.05). There was a decrease in 30-day post-operative clinic visits from 18% to 5% in the post-intervention cohort (p=0.007), and unnecessary bowel prep use decreased from 35% to 14% (p<0.001). On multivariable analysis, start time (second case of the day) (OR 0.06; 95% CI 0.01 to 0.35), and ward narcotic use (OR 0.12; 95% CI 0.03 to 0.42) remained associated with overnight admission., Conclusion: Same day discharge rate was sustained at 72%, 12 months after the implementation of a quality improvement program to optimize same day discharge rate after minimally invasive surgery, while maintaining low post-operative complications and reducing unplanned clinic visits. To maximize same day discharge, minimally invasive gynecologic oncology surgery should be prioritized as the first case of the day, and post-operative narcotic use should be limited., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2024. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: To assess trends over time of same day discharge after minimally invasive hysterectomy in oncology, identify perioperative factors influencing same day discharge, and evaluate 30 day postoperative morbidity., Methods: A retrospective cohort of elective minimally invasive hysterectomies performed for gynecologic oncologic indications between January 2013 and December 2021 was identified using the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database. Clinical and surgical characteristics, length of stay, and 30 day postoperative complications were captured. Clinical and surgical factors affecting same day discharge rate and impact of same day discharge on postoperative outcomes were evaluated using χ 2 tests and logistic regression., Results: Patients undergoing minimally invasive hysterectomy (n=32 823) had a same day discharge rate of 34.5% over the 9 year period, increasing from 15.5% in 2013 to 55.1% in 2021. The rate of patients discharged on postoperative day 1 decreased from 76.4% to 41.4% over this period. On multivariable analysis, same day discharge decreased with: age 70-79 years (odds ratio (OR) 0.80) and ≥80 years (OR 0.42); body mass index 40-49.9 kg/m 2 (OR 0.89) and ≥50 kg/m 2 (OR 0.67); patient comorbidities, including hypertension (OR 0.85), chronic steroid use (OR 0.74), bleeding disorder (OR 0.54), anemia (OR 0.89), and hypoalbuminemia (OR 0.76); and surgical time >90th percentile (OR 0.40) (all p<0.05). Lymphadenectomy did not impact the same day discharge rate (unadjusted OR 1.03, p=0.22). Same day discharge had no effect on 30 day postoperative composite morbidity (OR 0.91, p=0.20), and was associated with fewer readmissions (OR 0.75, p=0.005). Age 70-79 years (OR 1.07, p=0.435) and age ≥80 years (OR 1.11, p=0.504) did not increase postoperative morbidity. However, body mass index categories 40-49.9 kg/m 2 (OR 1.28, 95% CI 1.08 to 1.51) and ≥50 kg/m 2 (OR 1.60, 95% CI 1.27 to 2.01) were associated with greater 30 day composite morbidity., Conclusion: In this study, same day discharge following minimally invasive hysterectomy for oncologic indications was safe, and rates are rising among all age and body mass index categories. Quality improvement initiatives are needed at oncology centers to promote early discharge after minimally invasive gynecologic oncology surgery., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2024. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: International societies advocate for gestational trophoblastic neoplasia referral to designated expert centers. This study assessed the impact of centralization of trophoblastic care on clinical outcomes., Methods: A centralized program was implemented in 2018 at two affiliated academic hospitals, Princess Margaret Cancer Center and Mount Sinai Hospital. A retrospective analysis of patients treated between 2000 and 2022 was performed and the clinical outcomes were compared before (2000-2017) and after (2018-2022) centralization. Statistical analyses were performed with significance set as p<0.05., Results: A total of 94 patients with trophoblastic neoplasia were included: 60 pre-centralization and 34 post-centralization, 79.8% low-risk and 18.1% high-risk. Centralization led to significant improvement for: (1) accurate score documentation (from 37.9% to 89.3%,); (2) contraception counseling (from 67.2% to 96.7%); (3) median time from diagnosis to chemotherapy (from 9 days to 1 day); and (4) incomplete follow-up (from 20.7% to 3.3%) (all p<0.05). First-line chemotherapy for low-risk neoplasia was dactinomycin in 47.9% and 87.0% pre- and post-centralization, respectively (p=0.005). The median number of chemotherapy cycles decreased from seven to four (p=0.01), and the median number of consolidation cycles increased from two to three (p<0.001). Serum human chorionic gonadotropin (hCG) levels of 10 000-100 000 IU/L were significantly associated with longer time to hCG normalization and higher risk of resistance to first-line chemotherapy compared with hCG levels <1000 IU/L., Conclusion: Centralization of trophoblastic neoplasia care leads to greater guideline compliance, faster chemotherapy initiation, fewer chemotherapy cycles with optimized consolidation, and enhanced surveillance completion. This supports the establishment of trophoblastic neoplasia expert centers., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2023. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: The implementation of a peri-operative care program based on enhanced recovery after surgery principles for minimally invasive gynecologic oncology surgery led to an improvement in same day discharge from 29% to 75% at our center. This study aimed to determine the program's economic impact., Methods: Our initial enhanced recovery quality improvement program enrolled consecutive patients undergoing minimally invasive hysterectomy at a single center during a 12-month period and compared them to a pre-intervention cohort. The primary outcome was overall costs. The secondary outcomes were surgical and post-operative visit costs. The surgical visit costs included pre-operative and operating room, post-operative stay, pharmacy, and interventions costs. The 30-day post-operative visit costs included clinic and emergency room, and readmission costs. The costs for every visit were collected from the case-cost department and expressed in 2020 Canadian dollars (CAD)., Results: A total of 96 and 101 patients were included in the pre- and post-intervention groups, respectively. The median total cost per patient for post-intervention was $7252 compared with $8381 pre-intervention (p=0.02), resulting in a $1129 cost reduction per patient. The total cost for the program implementation was $134 per patient for a total cost of $13 106. The median post-operative stay cost was $816 post-intervention compared with $1278 pre-intervention (p<0.05). Statistically significant savings for the post-intervention group were also found for operative visit, operating room costs, and pharmacy (p<0.05). On multivariate analysis, surgical approach was the only factor associated with operating room costs, whereas both surgical approach and group (pre- vs post-intervention) impacted the total and post-operative stay costs (p<0.05)., Conclusion: In addition to increasing the same day discharge rate after minimally invasive gynecologic oncology surgery, an enhanced recovery-based peri-operative care program led to significant reductions in cost., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2023. No commercial re-use. See rights and permissions. Published by BMJ.)

Background: We previously developed the Integrated Prediction Model using a 4-step algorithm of unresectable stage IVB, patient factors, surgical resectability, and surgical complexity to predict outcome of <1 cm cytoreduction in advanced epithelial ovarian cancer, and triaged patients to neoadjuvant chemotherapy or primary cytoreductive surgery., Objective: To validate the Integrated Prediction Model on a retrospective cohort of patients., Methods: A retrospective cohort study of 107 patients with advanced ovarian cancer treated between January 2017 and September 2018 was carried out. The above mentioned 4-step algorithm determined cut-off points using the Youden Index. This validation study reports sensitivity, specificity, negative and positive predictive value on an external cohort., Results: Among 107 patients, 61 had primary surgery and 46 had neoadjuvant chemotherapy. Compared with primary surgery, patients treated with neoadjuvant chemotherapy were significantly older (63.5 vs 61, p=0.037), more likely to have stage IV disease (52% vs 18%, p<0.001), Eastern Cooperative Oncology Group (ECOG) score >1 (30% vs 11%, 0.045), lower pre-operative albumin (37 vs 40, p<0.001), and higher CA-125 (970 vs 227.5, p<0.001). They also had higher patient factors (2 vs 0, p=0.013), surgical resectability (4 vs 1, p<0.001), and anticipated surgical complexity (8 vs 5, p<0.001). There was no significant difference in outcome of cytoreduction (<1 cm residual disease: 85% for primary surgery vs 87% interval surgery, p=0.12)In this validation cohort, triaging patients with patient factors ≤2, surgical resectability score ≤5, and surgical complexity score ≤9 to primary surgery had a sensitivity of 91% for optimal cytoreduction <1 cm and a specificity of 81%. The positive predictive value, negative predictive value, and accuracy were 83%, 90%, and 86%, respectively. Application of the Integrated Prediction Model would have prevented five patients from receiving suboptimal cytoreduction and triaged them to neoadjuvant chemotherapy., Conclusions: We validated the proposal that a triage algorithm integrating patient factors, surgical complexity, and surgical resectability in advanced ovarian cancer had high sensitivity and specificity to predict optimal cytoreduction <1 cm., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2023. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: To examine the incidence of perioperative blood transfusion and association with 30 day postoperative outcomes in gynecologic cancer surgery., Methods: The American College of Surgeons National Surgical Quality Improvement Program database was queried to identify all gynecologic oncology cases from 2013 to 2019. Clinical and surgical characteristics and 30 day postoperative complications were retrieved. The primary outcome was 30 day composite morbidity, based on the occurrence of one or more of the 18 adverse events. Secondary outcomes were 30 day mortality, length of stay in hospital, and composite surgical site infection, defined as superficial, deep, or organ space surgical site infection. The χ 2 test and logistic regression analyses were performed to compare the outcomes of patients with and without perioperative blood transfusion., Results: There were 62 531 surgical gynecologic oncology cases with an overall transfusion incidence of 9.4%. The transfusion incidence was significantly higher at 22.4% with laparotomy compared with 1.7% with minimally invasive surgery (p<0.0001). On multivariable analysis for laparotomy patients, blood transfusion was predictive of composite morbidity (adjusted odds ratio (OR) 1.65, 95% confidence interval (CI) 1.48 to 1.85) and length of stay in hospital ≥5 days (adjusted OR 9.02, 95% CI 8.21 to 9.92). In advanced ovarian cancer patients (n=3890), the incidence of perioperative blood transfusion was 40.8%. On multivariable analysis, perioperative blood transfusion was the most predictive factor for composite morbidity (adjusted OR 1.67, 95% CI 1.35 to 2.07) and length of stay in hospital ≥7 days (adjusted OR 9.75, 95% CI 7.79 to 12.21)., Conclusion: Perioperative blood transfusion is associated with increased composite morbidity and prolonged length of stay in hospital. Preoperative patient optimization and institutional practices should be reviewed to improve the use of blood bank resources and adherence to restrictive blood transfusion protocols., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2023. No commercial re-use. See rights and permissions. Published by BMJ.)

Objectives: Same day discharge after minimally invasive hysterectomy has been shown to be safe and feasible. We designed and implemented a quality improvement perioperative program based on early recovery after surgery principles to improve the rate of same day discharge from 30% to 75% after minimally invasive gynecologic oncology surgery over a 12 month period., Methods: We enrolled 102 consecutive patients undergoing minimally invasive hysterectomy at a single cancer center during a 12 month period. A pre-intervention cohort of 100 consecutive patients was identified for comparison of clinicodemographic variables and perioperative outcomes. A multidisciplinary team developed a comprehensive perioperative care program and followed quality improvement methodology. Patients were followed up for 30 days after discharge. A statistical process chart was used to monitor the effects of our interventions, and a multivariate analysis was conducted to determine factors associated with same day discharge., Results: Same day discharge rate increased from 29% to 75% after implementation (p<0.001). The post-intervention cohort was significantly younger (59 vs 62 years; p=0.038) and had shorter operative times (180 vs 211 min; p<0.001) but the two groups were similar in body mass index, comorbidity, stage, and intraoperative complications. There was no difference in 30 day perioperative complications, readmissions, reoperations, emergency department visits, or mortality. Overnight admissions were secondary to nausea and vomiting (16%), complications of pre-existing comorbidities (12%), and urinary retention (8%). On multivariate analysis, longer surgery, timing of surgery, and narcotic use on the ward were significantly associated with overnight admission. Overall, 89% of patients rated their experience as 'very good' or 'excellent', and 87% felt that their length of stay was adequate., Conclusions: Following implementation of a perioperative quality improvement program targeted towards minimally invasive gynecologic oncology surgery, our intervention significantly improved same day discharge rates while maintaining a low 30 day perioperative complication rate and excellent patient experience., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2022. No commercial re-use. See rights and permissions. Published by BMJ.)

Objectives: Opioids are routinely prescribed after minimally invasive gynecologic oncology surgery, with minimal data to inform the ideal dose. The aim of this study was to evaluate the impact of a restrictive opioid prescription protocol on the median morphine milligram equivalents prescribed and pain control in patients undergoing minimally invasive surgery., Methods: A restrictive opioid prescription protocol was implemented from January through December 2020 at a single tertiary cancer center in Ontario, Canada. Consecutive patients undergoing minimally invasive hysterectomy for suspected malignancy were included. Simultaneously, we implemented use of multimodal analgesia, patient and provider education, pre-printed standardized prescriptions, and tracking of opioid prescriptions. Total median morphine milligram equivalents prescribed were compared between pre- and post-intervention cohorts. Patients were surveyed regarding opioid use and pain control at 30 days post-surgery., Results: A total of 101 women in the post-intervention cohort were compared with 92 consecutive pre-intervention controls. Following protocol implementation, median morphine milligram equivalents prescribed decreased from 50 (range 9-100) to 25 (range 8-75) (p<0.001). In the post-intervention cohort, 75% (76/101) used 10 median morphine milligram equivalents or less and 55 patients (54%) used 0 median morphine milligram equivalent. There was no additional increase in opioid refill requests after implementation of our strategy. Overall, patients reported a median pain score of 3/10 at 30 days post-surgery; the highest pain scores and most of the pain occurred in the first week after surgery., Conclusions: Implementation of a restrictive opioid prescription protocol led to a significant reduction in opioid use after minimally invasive gynecologic oncology surgery, with over 50% of patients requiring no opioids postoperatively., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2021. No commercial re-use. See rights and permissions. Published by BMJ.)

Competing Interests: Competing interests: None declared.

Objectives: Minimally invasive radical hysterectomy is associated with decreased survival in patients with early cervical cancer. The objective of this study was to determine whether the use of an intra-uterine manipulator at the time of laparoscopic or robotic radical hysterectomy is associated with inferior oncologic outcomes., Methods: A retrospective cohort study was carried out of all patients with cervical cancer (squamous cell carcinoma, adenocarcinoma or adenosquamous carcinoma) International Federation of Gynecology and Obstetrics 2009 stages IA1 (with positive lymphovascular space invasion) to IIA who underwent minimally invasive radical hysterectomy at two academic centers between January 2007 and December 2017. Treatment, tumor characteristics, and survival data were retrieved from hospital records., Results: A total of 224 patients were identified at the two centers; 115 had surgery with the use of an intra-uterine manipulator while 109 did not; 53 were robotic and 171 were laparoscopic. Median age was 44 years (range 38-54) and median body mass index was 25.8 kg/m 2 (range 16.6-51.5). Patients in whom an intra-uterine manipulator was not used at the time of minimally invasive radical hysterectomy were more likely to have residual disease at hysterectomy (p<0.001), positive lymphovascular space invasion (p=0.02), positive margins (p=0.008), and positive lymph node metastasis (p=0.003). Recurrence-free survival at 5 years was 80% in the no intra-uterine manipulator group and 94% in the intra-uterine manipulator group. After controlling for the presence of residual cancer at hysterectomy, tumor size and high-risk pathologic criteria (positive margins, parametria or lymph nodes), the use of an intra-uterine manipulator was no longer significantly associated with worse recurrence-free survival (HR 0.4, 95% CI 0.2 to 1.0, p=0.05). The only factor which was consistently associated with recurrence-free survival was tumor size (HR 2.1, 95% CI 1.5 to 3.0, for every 10 mm increase, p<0.001)., Conclusion: After controlling for adverse pathological factors, the use of an intra-uterine manipulator in patients with early cervical cancer who underwent minimally invasive radical hysterectomy was not an independent factor associated with rate of recurrence., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2020. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: The preoperative neutrophil-to-lymphocyte ratio has been found to be an independent prognostic indicator for perioperative complications and survival outcomes in patients undergoing oncologic surgery for several malignancies. The objective of this study was to evaluate the role of the preoperative neutrophil-to-lymphocyte ratio in predicting 30-day postoperative morbidity and overall survival in advanced-stage high-grade serous ovarian cancer patients after primary surgery., Methods: A retrospective study was conducted on consecutive patients who underwent primary surgery for high-grade serous ovarian cancer between January 2008 and December 2016 at a single tertiary academic institution in Toronto, Canada. Optimal thresholds for preoperative neutrophil-to-lymphocyte ratio were determined using receiver-operator characteristic curve analysis. Cox-proportional hazard models, Kaplan-Meier, and logistic regression analyses were performed., Results: Of 505 patients with ovarian cancer during the study period, 199 met the inclusion criteria. Receiver-operator characteristic curve analysis generated optimal preoperative neutrophil-to-lymphocyte ratio thresholds of 2.3 and 2.9 for 30-day postoperative morbidity and survival outcomes, respectively. A neutrophil-to-lymphocyte ratio ≥2.3 was predictive of a composite outcome of 30-day postoperative complications (odds ratio 7.3, 95% confidence interval 2.44 to 21.81; p=0.0004), after adjusting for longer operative time and intraoperative complications. Postoperative complications included superficial surgical site infections (p=0.007) and urinary tract infections (p=0.004). A neutrophil-to-lymphocyte ratio ≥29 was associated with worse 5-year overall survival (57.8% vs 77.7%, p=0.003), and suggested no statistically significant difference in progression-free survival (33.8% vs 40.7%, p=0.054). On multivariable analysis, the neutrophil-to-lymphocyte ratio remained an independent predictor for overall survival (p=0.02) when adjusting for suboptimal cytoreduction (p≤0.0001)., Discussion: A preoperative neutrophil-to-lymphocyte ratio ≥2.3 and ≥2.9 is associated with greater risk of 30-day postoperative morbidity and worse overall survival, respectively. This marker may be used in conjunction with other risk assessment strategies to preoperatively identify high-risk patients. Further prospective study is required to investigate its role in clinical decision-making., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2020. No commercial re-use. See rights and permissions. Published by BMJ.)

Objectives: Women with uterine clear cell carcinoma (UCCC) are at high risk of relapse. Adjuvant chemotherapy (CT) is often recommended, although its effectiveness remains controversial. Our objective was to evaluate treatment-related outcomes of patients with UCCC, particularly those treated with adjuvant CT., Methods: In this retrospective cohort study, patients diagnosed with UCCC at 2 academic cancer centers from 2000 to 2014 were included. Clinical, surgical, and pathological data were collected. Survival estimates were obtained using the Kaplan-Meier method and compared by log rank test. Multivariable analysis was used to determine the effect of CT and radiation therapy (RT) on overall survival (OS) and progression-free survival (PFS)., Results: We included 146 patients with UCCC, with a median follow-up of 27 months (range, 1-160). Ninety-five (65%) patients presented with stage I to II disease and 51 (35%) with stage III to IV disease. Forty-six percent of patients with clinical stage I were upstaged after surgery: 29% were upstaged to stages III and IV. Thirty-one percent of patients with early-stage disease and 70% with advanced-stage received CT. Among recurrences, the majority had distant relapse in both early-stage (61.5%) and advanced-stage (96.3%) diseases. In both patients with early-stage and advanced-stage diseases, adjuvant CT did not improve OS or PFS. On multivariate analysis, CT was not a significant factor associated with improved PFS (hazard ratio [HR], 1.37; 95% confidence interval [CI], 0.69-2.71; P = 0.37) or OS (HR, 0.58; 95% CI, 0.24-1.38; P = 0.22), whereas RT was associated with improved PFS (HR, 0.51; 95% CI, 0.29-0.90; P = 0.02) and OS (HR, 0.19; 95% CI, 0.09-0.42; P < 0.001)., Conclusions: The high rate of upstaging after surgery highlights the importance of lymph node assessment. The high rate of distant recurrence questions the effectiveness of current CT regimens and warrants the development of novel systemic approaches. The role of adjuvant RT deserves further study.

Objectives: Growing teratoma syndrome (GTS) after adjuvant chemotherapy for ovarian germ cell tumors is uncommon, with approximately 60 cases reported in the English literature. The objective of this study was to report clinical parameters including outcomes of patients with a diagnosis of GTS after adjuvant chemotherapy for ovarian immature teratoma (IT)., Methods and Materials: Patients with a condition diagnosed as ovarian IT between 1999 and 2014 at 2 tertiary-care academic centers were evaluated for the development of GTS. Patients' demographics, surgical and pathology data, adjuvant treatment, tumor markers, and survival data were collected retrospectively., Results: Twenty-six patients were treated for ovarian IT with a median follow-up of 69 months (9-166 months). Of the 15 patients who received adjuvant chemotherapy, 6 developed GTS (crude incidence, 40%; 2- and 5-year cumulative actuarial rates, 40% and 50%, respectively). The median age at diagnosis of ovarian IT was 24 years (17-38 years). The median interval from diagnosis of IT to development of GTS was 20 months (8-42 months). These 6 patients underwent 1 to 4 additional surgeries for management of GTS and were alive without evidence of malignancy after a median follow-up of 90 months (range, 24-166 months)., Conclusions: The development of GTS after adjuvant chemotherapy for ovarian IT seems to be more common than previously reported in the literature. Clinicians need to be cognizant that the occurrence of rapidly growing masses during or after chemotherapy for ovarian IT raises the possibility of GTS. This highlights the importance of prolonged follow-up with tumor markers and imaging studies in patients with ovarian IT.