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Prediction of unsuccessful endometrial ablation: random forest vs logistic regression

BackgroundFive percent of pre-menopausal women experience abnormal uterine bleeding. Endometrial ablation (EA) is one of the treatment options for this common problem. However, this technique shows a decrease in patient satisfaction and treatment efficacy on the long term.Study objectiveTo develop a prediction model to predict surgical re-intervention (for example re-ablation or hysterectomy) within 2 years after endometrial ablation (EA) by using machine learning (ML). The performance of the developed prediction model was compared with a previously published multivariate logistic regression model (LR).DesignThis retrospective cohort study, with a minimal follow-up time of 2 years, included 446 pre-menopausal women (18+) that underwent an EA for complaints of heavy menstrual bleeding. The performance of the ML and the LR model was compared using the area under the receiving operating characteristic (ROC) curve.ResultsWe found out that the ML model (AUC of 0.65 (95% CI 0.56–0.74)) is not superior compared to the LR model (AUC of 0.71 (95% CI 0.64–0.78)) in predicting the outcome of surgical re-intervention within 2 years after EA. Based on the ML model, dysmenorrhea and duration of menstruation have the highest impact on the surgical re-intervention rate.ConclusionAlthough machine learning techniques are gaining popularity in development of clinical prediction tools, this study shows that ML is not necessarily superior to the traditional statistical LR techniques. Both techniques should be considered when developing a clinical prediction model. Both models can identify the clinical predictors to surgical re-intervention and contribute to the shared decision-making process in the clinical practice.

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A novel approach to minimally invasive hysterectomy without the use of a uterine manipulator: Kamran\u2019s TLH

BackgroundHysterectomy remains one of the most common major gynaecological procedures, with total laparoscopic hysterectomy (TLH) now established as the technique of choice over conventional open approaches. This approach depends on the use of a uterine manipulator to facilitate uterine retraction and colpotomy. This study describes a novel approach in performing total laparoscopic hysterectomy without the use of uterine manipulator or vaginal tubes and reports the intra- and postoperative outcome of this technique.MethodsA single-centre retrospective analysis of patients who underwent TLH without uterine manipulator or vaginal tube “Kamran’s TLH” for benign conditions was performed from January 2017 to October 2019. Data collected included patients’ demographics, intraoperative finding and postoperative course.ResultsA total of eighty-six hysterectomies were performed utilizing the Kamran’s TLH (KTLH) approach. Mean age was 52.2 (± 11) years old and BMI was 28.2 (± 7). TLH with bilateral salpingo-oophorectomy was performed in 63 (73.3%) patients and TLH with preservation of ovaries in 23 (26.7%) patients. Mean operative time was 64.7 (± 27.9) min and estimated bloods loss was 46.2 (± 54.6) ml. No intraoperative complications were recorded and there was no conversion to open surgery. Only one patient required readmission and surgery for vaginal vault dehiscence during their postoperative course.ConclusionUterine manipulator is a key component in performing laparoscopic hysterectomy. However, our approach demonstrated that TLH can be safely performed without the use of any uterine or vaginal manipulation.

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Laparoscopic uterosacral ligament suspension versus sacrospinous ligament fixation for apical prolapse: perioperative outcomes

BackgroundPelvic organ prolapse can be repaired vaginally or laparoscopically. Studies comparing vaginal repair with sacrospinous ligament fixation (SSLF) or uterosacral ligament suspension (V-USLS) have found no difference in functional or adverse outcomes. Laparoscopic USLS (L-USLS) is becoming a popular treatment for pelvic organ prolapse because it has a low rate of ureteral compromise. To date, no studies have compared perioperative outcomes between L-USLS and SSLF. The objective of this study is to compare the rates of perioperative complications between these two methods.MethodsThis was a retrospective chart review of 243 consecutive patients who underwent L-USLS or SSLF at one institution between March 2017 and August 2019 for apical pelvic organ prolapse. Descriptive data was analyzed as appropriate with Student’s t tests and chi-square. Univariable logistic regression analysis was performed to assess predictors of perioperative complications.ResultsPreoperative Pelvic Organ Prolapse Quantification Stage (POP-Q) was similar between the two cohorts (p = 0.23). After adjusting for confounding factors, L-USLS was associated with a longer operative time (118 vs 142 min, p < 0.01) and shorter length of hospitalization (0.68 vs 1.06 days, p < 0.01). The estimated blood loss between the procedures was not statistically significant after adjusting for confounding factors. There was no difference in perioperative complication rates between L-USLS and SSLF (5% vs 7%, p = 0.55). No clinical risk factors were significantly associated with perioperative complications.ConclusionWe did not find a difference in complications between L-USLS and SSLF.

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Is it possible to estimate the need for surgical management in patients with a tubo-ovarian abscess at admission? A retrospective long-term analysis

BackgroundThis study aimed to determine the possible prognostic factors correlated with the treatment modalities of tubo-ovarian abscesses (TOAs) and thus to assess whether the need for surgery was predictable at the time of initial admission.Materials and methodsBetween January 2012 and December 2019, patients who were hospitalized with a TOA in our clinic were retrospectively recruited. The age of the patients, clinical and sonographic presentation, pelvic inflammatory risk factors, antibiotic therapy, applied surgical treatment, laboratory infection parameters, and length of hospital stay were recorded.ResultsThe records of 115 patients hospitalized with a prediagnosis of TOA were reviewed for the current study. After hospitalization, TOA was ruled out in 19 patients, and data regarding 96 patients was included for analysis. Twenty-eight (29.2%) patients underwent surgical treatment due to failed antibiotic therapy. Sixty-eight (70.8%) were successfully treated with parenteral antibiotics. Medical treatment failure and need for surgery were more common in patients with a large abscess (volume, > 40 cm3, or diameter, > 5 cm). The group treated by surgical intervention was statistically older than the patients receiving medical treatment (p < 0.05).ConclusionsAlthough the treatment in TOA may vary according to clinical, sonographic, and laboratory findings; age of patients, the abscess size, and volume were seen as the major factors affecting medical treatment failure. Moreover, TOA treatment should be planned on a more individual basis.

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Medical and surgical interventions to improve the quality of life for endometriosis patients: a systematic review

Endometriosis impairs the quality of life (QoL) of many women, including their social relationships, daily activity, productivity at work, and family planning. The aim of this review was to determine the instruments used to examine QoL in previous clinical studies of endometriosis and to evaluate the effect of medical and surgical interventions for endometriosis on QoL. We conducted a systematic search and review of studies published between January 2010 and December 2020 using MEDLINE. Search terms included “endometriosis” and “quality of life.” We only selected studies that used a standardized questionnaire to evaluate QoL before and after medical or surgical interventions. Only articles in the English language were examined. The initial search identified 720 results. After excluding duplicates and applying inclusion criteria, 37 studies were selected for analysis. We found that the two scales most frequently used to measure QoL were the Short Form-36 health survey questionnaire (SF-36) and the Endometriosis Health Profile-30 (EHP-30). Many medical and surgical treatments demonstrated comparable benefits in pain control and QoL improvement. There is no clear answer as to what is the best treatment for improving QoL because each therapy must be personalized for the patient and depends on the woman’s goals. In conclusion, women must be informed about endometriosis and given easily accessible information to improve treatment adherence and their QoL.

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Applied anatomy knowledge in gynaecology and obstetrics: the trainees\u2019 perception

BackgroundMedical education has recognised the importance of anatomy teaching. Limitations in applied anatomy knowledge exist among obstetrics and gynaecology (O&G) trainees.This study aims to evaluate the knowledge of O&G trainees in applied anatomy and study-associated factors.Materials and methodsThe questionnaire-based study involved O&G trainees between 1/8/2019 and 1/12/2019. Data collected included age, gender, evaluation of medical school anatomy course, attendance at applied anatomy workshops, operating theatre workload, and senior colleagues’ demonstration of anatomy during operating sessions.ResultsThere were 271 trainees recruited with a mean age of 29.3 years, and 80.1% rated the value of medical school anatomy courses as average or above average. Furthermore, 90.8% never attended applied anatomy workshops. In addition, 9.6% and 62% of first- and fifth-year trainees rated their knowledge as either good or very good, and 41.7% reported that anatomy demonstrations by senior doctors happened sometimes. The overall score of applied anatomy knowledge was significantly higher in higher training years, with attendance at applied anatomy lectures, with more operating workloads, and when senior doctors demonstrate anatomy more often during operating sessions.ConclusionsDeficiencies in knowledge existed. Factors which may improve knowledge include more applied undergraduate anatomy courses, more frequent operating sessions, attending anatomy workshops, and more senior colleagues’ demonstration of anatomy during surgeries.

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