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Somatic nerve entrapment caused by endometriosis is an underrecognized and often misdiagnosed issue that leads to many women suffering unnecessarily. While the classic symptoms of endometriosis are well-known to the gynaecologic surgeon, the dermatomal-type pain caused by endometriosis impacting neural structures is not within gynecologic day-to-day practice, which often complicates diagnosis and delays treatment. A thorough understanding of pelvic neuroanatomy and a neuropelveologic approach is required for accurate assessments of patients with endometriosis and nerve entrapment. Magnetic resonance imaging is the preferred imaging modality for this presentation of endometriosis. Surgical management with laparoscopic or robotic-assisted techniques is the preferred approach to treatment, with excellent long-term results reported after nerve detrapment and endometriosis excision. The review calls for increased awareness and education on the links between endometriosis and the nervous system, advocating for patient-centered care and further research to refine the diagnosis and treatment of this challenging condition.

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OBJECTIVE: To synthesize the terminology utilized in nerve-sparing surgical literature and propose standardized and nonconflicting terms to allow for consistent vocabulary. DESIGN: We performed a literature search on PubMed using the search terms "pelvis" and "nerve-sparing." Nongynecologic surgery and animal studies were excluded. A narrative review was performed, focusing on nerves, fasciae, ligaments, and retroperitoneal spaces. Terms from included papers were discussed by all authors, who are surgeons versed in nerve-sparing procedures and one anatomist, and recommendations were made regarding the most appropriate terms based on the frequency of occurrence in the literature and the possibility of overlapping names with other structures. RESULTS: 224 articles were identified, with 81 included in the full-text review. Overall, 48% of articles focused on cervical cancer and 26% on deeply infiltrating endometriosis. Findings were synthesized both narratively and visually. Inconsistencies in pelvic anatomical nomenclature were prevalent across publications. The structure with the most varied terminology was the rectal branch of the inferior hypogastric plexus with 14 names. A standardized terminology for pelvic autonomic nerve structures, fasciae, ligaments, and retroperitoneal spaces was proposed to avoid conflicting terms. CONCLUSION: Surgeons and anatomists should use consistent terminology to facilitate increased uptake of nerve-sparing techniques in gynecologic surgery through a better understanding of surgical technique description. We have proposed a standardized terminology believed to facilitate this goal.

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BACKGROUND: Endometriosis is a chronic gynecologic disorder that leads to considerable pain and a reduced quality of life. Although its physiological manifestations have been explored, its impact on mental health is less well defined. Existing studies of endometriosis and mental health were conducted within diverse healthcare landscapes with varying access to care and with a primary focus on surgically diagnosed endometriosis. A single-payer healthcare system offers a unique environment to investigate this association with fewer barriers to access care while considering the mode of endometriosis diagnosis. OBJECTIVE: Our objective was to assess the association between endometriosis and the risk for mental health conditions and to evaluate differences between patients diagnosed medically and those diagnosed surgically. STUDY DESIGN: A matched, population-based retrospective cohort study was conducted in Ontario and included patients aged 18 to 50 years with a first-time endometriosis diagnosis between January 1, 2010, and July 1, 2020. Endometriosis exposure was determined through either medical or surgical diagnostic criteria. A medical diagnosis was defined by the use of the corresponding International Classification of Disease diagnostic codes from outpatient and in-hospital visits, whereas a surgical diagnosis was identified through inpatient or same-day surgeries. Individuals with endometriosis were matched 1:2 on age, sex, and geography to unexposed individuals without a history of endometriosis. The primary outcome was the first occurrence of any mental health condition after an endometriosis diagnosis. Individuals with a mental health diagnosis in the 2 years before study entry were excluded. Cox regression models were used to generate hazard ratios with adjustment for hysterectomy, salpingo-oophorectomy, infertility, pregnancy history, qualifying surgery for study inclusion, immigration status, history of asthma, abnormal uterine bleeding, diabetes, fibroids, hypertension, irritable bowel disorder, migraines, and nulliparity. RESULTS: A total of 107,832 individuals were included, 35,944 with a diagnosis of endometriosis (29.5% medically diagnosed, 60.5% surgically diagnosed, and 10.0% medically diagnosed with surgical confirmation) and 71,888 unexposed individuals. Over the study period, the incidence rate was 105.3 mental health events per 1000 person-years in the endometriosis group and 66.5 mental health events per 1000 person-year among unexposed individuals. Relative to the unexposed individuals, the adjusted hazard ratio for a mental health diagnosis was 1.28 (95% confidence interval, 1.24-1.33) among patients with medically diagnosed endometriosis, 1.33 (95% confidence interval, 1.16-1.52) among surgically diagnosed patients, and 1.36 (95% confidence interval, 1.2-1.6) among those diagnosed medically with subsequent surgical confirmation. The risk for receiving a mental health diagnosis was highest in the first year after an endometriosis diagnosis and declined in subsequent years. The cumulative incidence of a severe mental health condition requiring hospital visits was 7.0% among patients with endometriosis and 4.6% among unexposed individuals (hazard ratio, 1.56; 95% confidence interval, 1.53-1.59). CONCLUSION: Endometriosis, regardless of mode of diagnosis, is associated with a marginally increased risk for mental health conditions. The elevated risk, particularly evident in the years immediately following the diagnosis, underscores the need for proactive mental health screening among those newly diagnosed with endometriosis. Future research should investigate the potential benefits of mental health interventions for people with endometriosis with the aim of enhancing their overall quality of life.

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OBJECTIVE: To evaluate the effect of hormonal suppression of endometriosis on the size of endometriotic ovarian cysts. DATA SOURCES: The authors searched MEDLINE, PubMed, Cochrane Central Register of Controlled Trials, Embase, and ClinicalTrials.gov from January 2012 to December 2022. METHODS OF STUDY SELECTION: We included studies of premenopausal women undergoing hormonal treatment of endometriosis for ≥3 months. The authors excluded studies involving surgical intervention in the follow-up period and those using hormones to prevent endometrioma recurrence after endometriosis surgery. Risk of bias was assessed with the Newcastle-Ottawa Scale and Cochrane Risk of Bias Tool. The protocol was registered in PROSPERO (CRD42022385612). TABULATION, INTEGRATION, AND RESULTS: The primary outcome was the mean change in endometrioma volume, expressed as a percentage, from baseline to at least 6 months. Secondary outcomes were the change in volume at 3 months and analyses by class of hormonal therapy. The authors included 16 studies (15 cohort studies, 1 randomized controlled trial) of 888 patients treated with dienogest (7 studies), other progestins (4), combined hormonal contraceptives (2), and other suppressive therapy (3). Globally, the decrease in endometrioma volume became statistically significant at 6 months with a mean reduction of 55% (95% confidence interval, -40 to -71; 18 treatment groups; 730 patients; p <.001; I2 = 96%). The reduction was the greatest with dienogest and norethindrone acetate plus letrozole, followed by relugolix and leuprolide acetate. The volume reduction was not statistically significant with combined hormonal contraceptives or other progestins. There was high heterogeneity, and studies were at risk of selection bias. CONCLUSION: Hormonal suppression can substantially reduce endometrioma size, but there is uncertainty in the exact reduction patients may experience.

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PURPOSE OF REVIEW: The purpose of this review is to provide a clinically relevant synthesis of the current literature on cesarean scar defects, focusing on their epidemiology and clinical presentation, diagnosis, treatment, and prevention. RECENT FINDINGS: Cesarean scar defects (CSDs) are an emerging area of gynecologic research, with an influx of higher quality cohorts, randomized controlled trials, and systematic reviews published within the last decade. Recent developments of importance include the European Niche Taskforce consensus on the measurement and diagnosis of CSDs, the proposal of clinical criteria for Cesarean scar disorder (CSDi), as well as the publication of several systematic reviews, which provide enhanced support for clinical decision-making in treatment strategies. Areas for continued research include risks factors for CSDs and preventive strategies, as well as their role in obstetrical complications. SUMMARY: CSDs are a common sonographic finding. While those incidentally identified in an asymptomatic population require no treatment, CSDs can cause significant burden in the form of abnormal uterine bleeding, pelvic pain, and infertility. Their role in obstetrical complications has yet to be fully elucidated. Given the high incidence of cesarean sections, many - if not all - providers of uterine care will encounter their sequalae. As such, continued awareness amongst all providers regarding their evaluation and management is key. VIDEO ABSTRACT: http://links.lww.com/COOG/A91.

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OBJECTIVES: To assess transfusion practices at a Canadian tertiary care center before and after a hospital-wide blood management educational campaign based on the Choosing Wisely toolkit. BACKGROUND: Red blood cell (RBC) transfusions are an essential intervention in obstetrics and gynaec ology (O&G). However, with limited guidelines outlining the appropriate use of RBC transfusions, clinicians routinely transfuse based on haemoglobin values and habits. METHODS/MATERIALS: We conducted a retrospective chart review of all patients who received a RBC transfusion while admitted under an O&G provider in two 12-month periods-before and after the intervention. The campaign consisted of Grand Rounds, formal and informal teaching, and posters placed within the hospital. We judged appropriateness from a set of criteria guided by the status of ongoing bleeding, pre-transfusion haemoglobin, and the number of units ordered simultaneously. RESULTS: Transfusion appropriateness was poor in pre- and post-intervention periods (46% vs. 51%, p = 0.59). The overall rate of RBC transfusion was reduced from 1.8% to 1.2% (83/4610 vs. 55/4618, p = 0.02) after the intervention. There was a 52% reduction in the total number of RBC units of transfused (229 vs. 111, p < 0.001), a 33% reduction in the number of patients transfused (83 vs. 55, p = 0.016), and fewer multiple-unit transfusions without reassessment (39 vs. 13, p = 0.005). CONCLUSION: RBC transfusion appropriateness remained low after a hospital-wide educational campaign. However, there was a marked decrease in overall transfusion use, reflecting the adoption of more restrictive transfusion practices. The low rate of transfusion appropriateness represents an opportunity for further improvement.

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OBJECTIVE: To systematically review and meta-analyze randomized controlled trials (RCTs) comparing postoperative bladder retrofilling to passive filling after outpatient gynecologic surgery to evaluate effects on postoperative outcomes. DATA SOURCES: We searched MEDLINE, PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), EMBASE, and ClinicalTrials.gov from 1947 to August 2020. METHODS OF STUDY SELECTION: Two reviewers screened 1,465 articles. We included RCTs that compared postoperative bladder retrofilling to passive filling in patients who underwent outpatient gynecologic surgery by any approach. The primary outcome was the time to first void. Secondary outcomes included time to discharge, postoperative urinary retention, urinary tract infection, and patient satisfaction. Mean differences and relative risks (RRs) were calculated for the meta-analysis. Risk of bias was assessed using the Cochrane Risk of Bias Tool. TABULATION, INTEGRATION, AND RESULTS: We included eight studies with 1,173 patients. Bladder retrofilling in the operating room resulted in a significant decrease in the time to first void (mean difference -33.5 minutes; 95% CI -49.1 to -17.9, 4 studies, 403 patients) and time to discharge (mean difference -32.0 minutes; 95% CI -51.5 to -12.6, eight studies, 1,164 patients). Bladder retrofilling did not shorten time to discharge when performed in the postanesthetic care unit (mean difference -14.8 min; 95% CI -62.6 to 32.9, three studies, 258 patients) or after laparoscopic hysterectomy (mean difference -26.0 min; 95% CI -56.5 to 4.5, five studies, 657 patients). There were no differences in postoperative urinary retention (RR 0.77; 95% CI 0.45-1.30, five studies, 910 patients) or risk of urinary tract infection between the retrofill and passive fill groups (RR 0.50; 95% CI 0.14-1.77, four studies, 387 patients). Patient satisfaction was comparable between groups. CONCLUSION: Retrofilling the bladder in the operating room after outpatient gynecologic surgery modestly reduces the time to first void and discharge with no increase in adverse events. SYSTEMATIC REVIEW REGISTRATION: PROSPERO, CRD42020203692.

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The current approach to treating endometriosis is often inadequate or intolerable for many patients. Until more effective therapies are available, we should aim to maximize the effectiveness of our current options. Optimization may be possible by reducing nocebo effects, which are the negative therapeutic effects not directly caused by a treatment. Awareness of these effects, how they arise, and the factors influencing them, is invaluable if we aim to limit their magnitude. The unique nature of endometriosis diagnosis and management is especially prone to nocebo effects due to multiple factors, including diagnostic delays, feelings of invalidation, social transmission of expectations, and persistent symptoms despite numerous treatments. This commentary discusses the origins of these effects in people with endometriosis, methods of limiting nocebo effects, and future research directions. LAY SUMMARY: The term 'nocebo' describes the undesirable effects of a medication or treatment that patients may experience which are not directly caused by the treatment (e.g. tiredness from a sugar pill). These arise from pre-existing expectations toward a treatment and are influenced by multiple external factors, including past experiences, online media, personal beliefs, and personality factors. Endometriosis is a disease characterized by cells like those from the inside of the uterus growing outside of the uterus. The complex nature of endometriosis diagnosis and management creates an environment where nocebo effects may affect treatment outcomes. We may be able to limit nocebo effects through awareness and simple actions that strengthen patient-doctor relationships. Effective therapeutic relationships with doctors are crucial in limiting negative expectations and are established through empathy, honesty, and support. Therapeutic relationships built on trust may allow healthcare providers to address negative expectations, nocebo effects, and the misinformation affecting endometriosis management.

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STUDY OBJECTIVES: To examine the imaging modality used in cases of Essure failures and determine the cause of the unintended pregnancies (noncompliance to follow-up recommendations, misinterpretation of the imaging test, or device failure). DESIGN: Retrospective, single-center interventional cohort (Canadian Task Force classification II-2). SETTING: Tertiary level hospital. PATIENTS: Women who have had Essure placement and subsequent pregnancy. INTERVENTIONS: Coding data from the Regina General Hospital was examined for any pregnancy occurring after an Essure procedure. The hospital charts were then reviewed for data collection. A separate imaging database established over the same time frame was then reviewed to determine the imaging modality used in each case (transvaginal ultrasound [TVU], hysterosalpingogram [HSG], or none). Results of the imaging study were reviewed and the cause of the failure determined. MEASUREMENTS AND MAIN RESULTS: Twenty-four pregnancies in 25 women were identified after Essure procedures from January 1, 2003 to March 31, 2013. There were 4 in vitro fertilization pregnancies and 4 pregnancies where the woman had been instructed not to rely on the devices because of incomplete placement noted at time of the procedure. Therefore, 17 unintended pregnancies occurred of a total 2080 procedures performed. Examination of the imaging studies revealed that 11 were due to patient noncompliance (either early cessation of backup contraception or failure to go for confirmatory imaging), 5 due to misinterpretation of the imaging tests (3 HSG, 2 TVU), and 1 device failure. This reveals a cumulative failure rate of 6 of 2080 or .29% over 10 years with only .04% (1/2080) being device related. CONCLUSION: Essure sterilization is an effective means of permanent contraception with a device failure rate of only .04%. Most unintended pregnancies after the Essure procedure result from a failure to comply with follow-up recommendations, and strategies to improve compliance should be emphasized.

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