BSGE/ESGE guideline on management of fluid distension media in operative hysteroscopy

The Impact of Intracervical Terlipressin on Intravasation and Venous Embolization During Transcervical Myomectomy and Endometrium Resection: A Randomized Controlled Study

STUDY OBJECTIVE

To investigate whether intracervical injection of terlipressin during hysteroscopic surgery could reduce the amount of intravasation, the incidence and severity of gas embolism, and the COHb levels in the blood.

DESIGN

Randomized double-blind controlled trial.

SETTING

Gynecologic surgical unit in a general hospital.

PATIENTS

Patients who were scheduled for transcervical resection of type 1 or type 2 myomas (TCR-M), or for extensive transcervical endometrium resection (TCR-E).

INTERVENTIONS

Patients were randomized to receive either terlipressin 0.85 mg or placebo injections intracervical at the beginning of the procedure.

MEASUREMENTS

The amount of intravasation and level of COHb was measured at the end of the procedure. The incidence and severity of gas embolisms was determined during the procedure by transesophageal echocardiography (TEE). Study groups were compared using an Independent Samples T-Test or a Mann-Whitney U test as indicated.

MAIN RESULTS

Forty-four patients were included in this study. No significant differences were found in intravasation volume, venous emboli and post-surgery COHb between study groups. There was a trend towards more severe embolisms (grade IV embolisms: 12 versus 6, p = .08), paradoxical embolisms (4 versus 2, p = .55) and a shorter operation time (mean of 43 versus 36 minutes, p = .09) in patients who received placebo compared to terlipressin.

CONCLUSION

This study could not demonstrate a clear beneficial effect of intracervical terlipressin administration. However, further research is needed to investigate if terlipressin can reduce operation time, severe embolisms and the need for redo procedures.

Predictors of surgical outcomes in transcervical resection of myoma

OBJECTIVE

To verify identified predictors of surgical outcomes in transcervical resection of myoma (TCRM) in Filipino women.

METHODS

A retrospective analytical cross-sectional study was done on 474 women who underwent TCRM between 2010 and 2020, in St Luke's Medical Center, Philippines. Ethical exemption was granted by the Institutional Ethics Committee. Identified predictors of prolonged operative time (>60 min)-increased blood loss (>70 mL), fluid overload, uterine perforation, and incomplete resection-in published research studies were analyzed.

RESULTS

Univariate analysis revealed that European Society for Gynecological Endoscopy (ESGE) type 2, and myoma size ≥5 cm, myoma number ≥3 were associated with prolonged operative time. ESGE type 2 and myoma size ≥5 cm were associated with increased blood loss and incomplete resection. Myoma size ≥5 cm, an intraoperative fluid deficit of 1000 mL (hypotonic) or 2500 mL (isotonic), and prolonged operative time were correlated with fluid overload. ESGE type 2 is associated with uterine perforation. Only a Lasmar score ≥5 was significantly associated with all the aforementioned unfavorable surgical outcomes. Multivariate analysis showed that a Lasmar score ≥5 (odds ratio [OR] 6143.26; 95% confidence interval [CI] 456-82 680; P < 0.001) and myoma size ≥5 cm (OR 21.56; 95% CI 1.67-277; P = 0.019) were independent predictors of adverse surgical outcomes.

CONCLUSION

This study verified that the Lasmar classification can predict TCRM complexity with cut-off values of 5 for both Lasmar score and myoma size. We recommend that the use of the Lasmar scoring classification preoperatively may be beneficial in TCRM in Filipino women.

Postoperative pulmonary edema and pulmonary hemorrhage following hysteroscopy

BACKGROUND

Hysteroscopic surgery, a minimally invasive technique prevalent in gynecology, exhibits an overall complication rate between 0.22% and 3.7%. Pulmonary bleeding post-hysteroscopy represents an exceedingly rare complication with only three reported cases to date; two involving high-viscosity solutions and one with hypertonicity solutions. Negative-pressure pulmonary hemorrhage, a seldomly encountered and lethal complication, manifests post-upper airway obstruction, with minimal documented cases, none within hysteroscopic procedures.

CASE PRESENTATION

Regarding the case study, a 38-year-old female underwent hysteroscopic surgery and received 1600 milliliters of isosmotic low-viscosity uterine distension media (physiological saline) during the procedure. The patient experienced a transient upper airway obstruction lasting one minute due to anesthetic medication. 1 h after surgery, she exhibited positional coughing, expectorated pinkish diluted sputum, and displayed symptoms of hypoxemia. Physical examination revealed bilateral moist rales in the lung fields, while cardiac auscultation did not detect any abnormal murmurs. Diagnostic procedures included chest CT, echocardiography, and complete blood count. The chest CT illustrated diffusely reticular and patchy ground-glass opacities in both lungs, confirming the diagnosis of pulmonary edema with pulmonary bleeding. Treatment with dexamethasone and furosemide led to rapid improvement, meeting discharge criteria within 24 h post-surgery. Postoperative follow-ups showed no discomfort symptoms in the patient, with normal chest X-ray results.

CONCLUSIONS

In conclusion, the observed upper airway obstruction during hysteroscopic surgery seemingly reduced the safe absorption threshold of isosmotic uterine distension media. Therefore, gynecologists and anesthesiologists should remain vigilant about this potential complication.

European Society for Gynaecological Endoscopy (ESGE) Good Practice Recommendations on surgical techniques for Removal of Fibroids: Part 2 Hysteroscopic Myomectomy

Submucosal uterine fibroids are the rarest type of fibroids. They can lead to abnormal uterine bleeding and may play a role in infertility and miscarriage. Hysteroscopic myomectomy is the preferred treatment to relieve bleeding caused by these fibroids and to restore the normal structure of the uterine cavity. The European Society for Gynaecological Endoscopy Uterine Fibroids Working Group developed recommendations based on the best available evidence and expert opinion for the surgical treatment of uterine fibroids. In this second part of the recommendations, hysteroscopic approaches are described. This review explores the techniques related to hysteroscopic myomectomy, focusing on narrower scopes, fluid management and advances in tissue removal systems and electrosurgery.

Outpatient Hysteroscopy: (Green-top Guideline no. 59)

All gynaecology departments should provide a dedicated outpatient hysteroscopy service to aid care of women and people with abnormal uterine bleeding, reproductive problems, and insertion/retrieval of intrauterine devices. [Grade A] Written information should be provided to the woman prior to their appointment. This should include details about the procedure, the benefits and risks, advice regarding pre-operative analgesia, as well as alternative options for care and contact details for the hysteroscopy unit. [Good Practice Point] Women should be made aware of other settings and modes of anaesthesia for hysteroscopy (e.g. under general or regional anaesthesia or intravenous sedation). [GPP] The woman should be advised that if they find the procedure too painful or distressing at any point, they must alert the clinical team who will stop the procedure immediately. The clinical team should alert the hysteroscopist if the woman appears to be in too much pain or is experiencing a vasovagal episode and therefore unable to voice the concerns so that the procedure can be stopped. [GPP] Women should be advised to take standard doses of oral non-steroidal anti-inflammatory agents (NSAIDs) one hour before their scheduled appointment. Vaginoscopy should be the standard technique for outpatient hysteroscopy unless the use of a vaginal speculum is required (e.g. for administering local cervical anaesthesia or dilating the cervix). [Grade A] When performing operative hysteroscopy, the smallest diameter hysteroscope should be used, with consideration given to the use of hysteroscopes with expandable outer working channels because they are associated with less pain. [Grade B] Mechanical hysteroscopic tissue removal systems should be preferred over miniature bipolar electrodes to remove endometrial polyps. [Grade A] Local anaesthesia should not be routinely administered prior to outpatient hysteroscopy where a vaginoscopic approach is used. It should be considered where use of a vaginal speculum is planned e.g. for cervical dilatation if anticipated, due to either cervical stenosis and/or the utilisation of larger-diameter hysteroscopes (≥5mm outer diameter). [Grade A] Saline should be instilled at the lowest possible pressure to achieve a satisfactory view. [Grade A] Conscious sedation should not be routinely used in outpatient hysteroscopic procedures. [Grade B].

Incidence and risks of excessive distension absorption in hysteroscopic surgery using 5% mannitol solution: a retrospective descriptive study

OBJECTIVE

To clarify the incidence of excessive distension absorption in hysteroscopic surgery using 5% mannitol solution, evaluate the associated risks, and help to establish a safe fluid deficit threshold for such complication.

DESIGN

Retrospective descriptive study.

SETTING

Academic medical center.

PATIENTS

Ten thousand six hundred ninety-three patients underwent inpatient hysteroscopic surgery with 5% mannitol perfusion using a monopolar electrosurgical instrument from Jan. 2015 to Sep. 2020.

INTERVENTION(S)

None. This study has been approved by the Ethics Committee of Sun Yat-sen Memorial Hospital.

MEASUREMENTS AND MAIN RESULTS

A fluid deficit of more than 1000 mL was defined as the diagnostic criteria for excessive distension absorption. The overall incidence of excessive distension absorption in this study was 0.46% (49/10693). The incidence was 2.57% (16/623) for transcervical resection of fibroid (TCRF), 2.36% (9/381) for retained products of conception (RPOC) removal, 1.20% (6/501) for hysteroscopic uterine septum resection (HSR), 0.48% (4/828) for transcervical resection of the endometrium (TCRE), and 0.53% (14/2621) for transcervical resections of adhesion (TCRA). Excessive distension absorption could occur within seven minutes in HSR. Among the patients diagnosed with excessive distension absorption, 30.77% (12/39) exhibited signs or symptoms related to circulation overload with a fluid deficit under 2500 mL, and 10.26% (4/39) developed pulmonary edema.

CONCLUSION

Excessive distension absorption could happen in all kinds hysteroscopic surgical treatment including RPOC removal and TCRA which were rarely reported. The overall incidence of excessive distension absorption could be low. But it would be five times higher in certain procedures such as TCRF, RPOC removal and TCRA. Resection using a needle electrode in HSR and TCRA may contribute to the short time development of excessive distension absorption. 30.77% of the patients could not tolerate the fluid deficit of less than 2500 mL which was set as a threshold for isotonic distending media and presented with circulation overload related signs or symptoms.

Lung ultrasound diagnosis of pulmonary edema resulting from excessive fluid absorption during hysteroscopic myomectomy: a case report

BACKGROUND

Hysteroscopic surgery is a safe procedure used for diagnosing and treating intrauterine lesions, with a low rate of intraoperative complications. However, it is important to be cautious as fluid overload can still occur when performing any hysteroscopic surgical technique.

CASE PRESENTATION

In this case report, we present a unique instance where lung ultrasound was utilized to diagnose pulmonary edema in a patient following a hysteroscopic myomectomy procedure. The development of pulmonary edema was attributed to the excessive absorption of fluid during the surgical intervention. By employing lung ultrasound as a diagnostic tool, we were able to promptly identify and address the pulmonary edema. As a result, the patient received timely treatment with no complications. This case highlights the importance of utilizing advanced imaging techniques, such as lung ultrasound, in the perioperative management of patients undergoing hysteroscopic procedures.

CONCLUSIONS

This case report underscores the significance of early detection and intervention in preventing complications associated with fluid overload during hysteroscopic myomectomy procedures.

Acute water intoxication in hysteroscopic myomectomy: a rare case report

Water intoxication is rarely seen in forensic practice and is typically associated with excessive water consumption, amphetamine intake, and child abuse. Iatrogenic water intoxication is rare but usually related to medical disputes. Here, we report a 44-year-old female was admitted to the hospital due to a 3-month history of excessive menstrual bleeding. B-ultrasound revealed multiple substantial intrauterine masses, leading to a diagnosis of multiple uterine fibroids. After admission, she underwent submucous myomectomy, endometrial resection, and transcervical resection of endometrial polyps. During the procedure, the patient suffered dizziness and chest tightness, her blood pressure decreased to 89/52 mmHg, and moist rales were heard in her both lungs; she died despite medical efforts. A forensic autopsy was performed and revealed severe pulmonary edema. Considering the patient's clinical history, acute water intoxication was considered to be the cause of death. This highlights the need for forensic pathologists to be vigilant of postoperative water intoxication, a rare complication in obstetrics, to ensure accurate assessments.

Guideline No. 453: Endometrial Ablation in the Management of Abnormal Uterine Bleeding

OBJECTIVE

To provide an update of the current evidence-based guideline on the techniques and technologies used in endometrial ablation, a minimally invasive technique for the management of abnormal uterine bleeding of benign origin.

TARGET POPULATION

Women of reproductive age with abnormal uterine bleeding and benign pathology with or without structural abnormalities.

BENEFITS, HARMS, AND COSTS

Implementation of the guideline recommendations will improve the provision of endometrial ablation as an effective treatment for abnormal uterine bleeding. Following these recommendations would allow the surgical procedure to be performed safely and maximize success for patients.

EVIDENCE

The guideline was updated with published literature retrieved through searches of Medline and the Cochrane Library from January 2014 to April 2023, using appropriate controlled vocabulary and keywords (endometrial ablation, hysteroscopy, menorrhagia, heavy menstrual bleeding, abnormal uterine bleeding, hysterectomy). Results were restricted to systematic reviews, randomized control trials/controlled clinical trials, and observational studies written in English. Grey (unpublished) literature was retrieved from the Association of Obstetricians and Gynecologists of Quebec (AOGQ) in 2023.

VALIDATION METHODS

The authors rated the quality of evidence and strength of recommendations using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. See Appendix A (Tables A1 for definitions and A2 for interpretations of strong and conditional [weak] recommendations).

INTENDED AUDIENCE

Obstetricians, gynaecologists, and primary care providers.

SOCIAL MEDIA ABSTRACT

This is an updated version of the 2015 SOGC Endometrial Ablation guideline. The authors discuss special considerations, update evidence, and make new fluid deficit recommendations.

SUMMARY STATEMENTS

RECOMMENDATIONS.

Predictors of Infused Distending Fluid Volume in Hysteroscopic Myomectomy

Background and Objectives: The use of a bipolar resectoscope has become popular due to the lower risk of hyponatremia. However, gynecologists might overlook the risk of water intoxication. Water intoxication is associated with the infusion of distending fluid. We were interested in the prediction of the infused distending fluid volume in the era of bipolar hysteroscopy. Thus, the aim of this study was to identify the predictors of the infused distending fluid volume for hysteroscopic myomectomy. Materials and Methods: All consecutive women who underwent monopolar (n = 45) or bipolar (n = 137) hysteroscopic myomectomy were reviewed. Results: Myoma diameter (cm, coefficient = 680 mL, 95% confidence interval (CI) = 334-1025 mL, p <0.001) and bipolar hysteroscopy (coefficient = 1629 mL, 95% CI = 507-2752 mL, p = 0.005) were independent predictors of infused distending fluid volume. A myoma diameter ≥4.0 cm was the optimal cutoff value to predict the presence of >5000 mL of infused distending fluid. One woman in the bipolar group developed life-threatening water intoxication. Conclusions: Myoma diameter is associated with an increase in infused distending fluid volume, especially for myomas ≥4 cm. Meticulous monitoring of the infused distension fluid volume is still crucial to avoid fluid overload during bipolar hysteroscopic myomectomy.

Stage II endometrial cancer: The diagnostic power of hysteroscopic excisional biopsy and MRI in the pre-operative cervical stroma assessment

INTRODUCTION/BACKGROUND

Stage II Endometrial cancer (EC) accounts only for 12% of cases. Recent evidences redraw the weight of radicality in this stage as it would seem to have no impact on survival outcomes claiming for radicality when free surgical margins are not ensured to be achieved by simple hysterectomy. Thus, an accurate pre-operative evaluation might be crucial. This study aims to estimate the diagnostic power of Hysteroscopic excisional biopsy (HEB) of cervical stroma alone and combined with Magnetic resonance imaging (MRI) to predict the stage and concealed parametrial invasion in patients with preoperative stage II EC.

METHODOLOGY

From January 2019 to November 2023, all patients evaluated at the Department of Gynaecology Oncology of Humanitas, Istituto Clinico Catanese, Catania, Italy, with a diagnosis of EC and evidence of cervical stromal diffusion on preoperative MRI and/or office hysteroscopy evaluation, considered suitable for laparoscopic modified type B hysterectomy, were consecutively included in the study. These underwent endometrial and cervical hysteroscopy excisional biopsy (HEB) for histological evaluation before definitive surgery. The data obtained were compared with the definitive histological examination (reference standard).

RESULTS

Sixteen patients met the including/excluding criteria and were considered into the study. Stage II endometrial cancer were confirmed in 3 cases (18.7%). We reported 2 (12,5%) parametrial involvement (IIIB), 4 (25%) cases of lymph nodes metastasis (IIIc), 7 (43,7%) cases of I stage. MRI had a sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy (95% CIs) of 71%, 44%, 50%, 66% and 56.2 % respectively. HEB showed sensitivity, specificity, PPV, NPV and accuracy (95 % CI) of 85 %, 89 %, 85 %, 88 % and 87 % respectively. Comparing HEB + MRI to HEB alone, no statistical differences were noted in all fields. Considering parametrial invasion, MRI had better sensitivity but there were no statistical differences to HEB in other fields, showing both a worthy NPV.

CONCLUSION

HEB was accurate in all fields for cervical stroma assessment and had a fine NPV to exclude massive cervical involvement up to parametrial. Considering the new FIGO staging a preoperative molecular and histological evaluation of the cervical stroma may be useful. Operative hysteroscopy seems to be a feasible and accurate method for this purpose.

Fertility, pregnancy and perioperative outcomes after operative hysteroscopy for uterine septum: a network meta-analysis

INTRODUCTION

Septate uterus is a congenital malformation associated with adverse reproductive and pregnancy outcomes. It remains controversial whether hysteroscopic septoplasty should be recommended for the treatment of septate uterus, and it is also unclear if different hysteroscopic methods have more favorable outcomes. This study aims to compare the available hysteroscopic techniques of septoplasty for fertility, reproductive, and perioperative outcomes.

METHODS

This systematic review and meta-analysis was conducted following PRISMA guidelines. We searched Medline, Scopus, and Cochrane databases up to April 2023 without language restrictions. Eligible studies had to compare two or more different methods of hysteroscopic septoplasty in women with septate uterus and report on fertility and pregnancy outcomes after a follow-up. Perioperative outcomes were also examined. Data extraction was performed by two independent reviewers using a standardized form. Risk of bias was assessed using the Newcastle-Ottawa Quality Assessment Form and Revised Cochrane risk-of-bias tool (RoB 2).

RESULTS

Out of 561 studies identified, 9 were included in the systematic review and meta-analysis. The comparison of different hysteroscopic septoplasty techniques based on the energy used showed higher pregnancy rates after mechanical septoplasty in comparison to electrosurgery, while miscarriage and live birth rates were comparable. Laser vs. electrosurgery and mechanical techniques of septoplasty had comparable pregnancy, miscarriage, and live birth rates. The network meta-analysis after comparing every different method used showed significantly higher clinical pregnancy rate in scissor group in comparison to resectoscope. No significant differences were found among the techniques regarding miscarriage rate and live birth rate.

CONCLUSION

In summary, this systematic review and network meta-analysis suggests that hysteroscopic septoplasty with scissors is associated with higher pregnancy rates compared to resectoscope. However, the limited evidence available and small sample sizes in the included studies indicate that these findings should be interpreted with caution. Further studies are required to determine the effectiveness of various hysteroscopic techniques and guide clinical decision-making in the management of this condition.

Acute pulmonary oedema secondary to intravascular absorption syndrome during hysteroscopy: A case report

Hysteroscopy is an exploratory endoscopic technique that studies the interior of the uterine cavity and the endocervical canal. Various fluids, such as physiological saline, are used to optimise visualisation of the internal structures during this procedure. A rare complication of hysteroscopy is fluid overload, which can be associated with intravascular absorption syndrome, usually after lengthy procedures or tissue dissection. There are no data on the incidence and prevalence of this syndrome, and few cases involving physiological saline solution have been reported. We present a case of hysteroscopic myomectomy complicated by vascular absorption syndrome, which gave rise to acute pulmonary oedema that required admission to the intensive care unit.

Metabolic acidemia due to saline absorption during transurethral and transcervical surgery: a report of 2 cases

BACKGROUND

The development of endoscopic systems that include bipolar electrocautery has enabled the use of normal saline irrigation in transurethral or transcervical endoscopic surgery. However, excessive saline absorption can cause hyperchloremic metabolic acidosis.

CASE PRESENTATION

Patient 1: A 76-year-old man was scheduled for transurethral resection of the prostate with saline irrigation. Approximately 140 min after the surgery, abdominal distension and cervical edema were observed. Abdominal ultrasound examination indicated a subhepatic hypoechoic lesion, which suggested extravasation of saline. Arterial blood gas analysis revealed hyperchloremic metabolic acidosis. The patient was extubated 2 h after the operation with no subsequent airway problems, and the electrolyte imbalance was gradually corrected. Patient 2: A 43-year-old woman was scheduled for transcervical resection of a uterine fibroid with saline irrigation. When the drape was removed after the operation was finished, notable upper extremity edema was observed. Arterial blood gas analysis revealed hyperchloremic metabolic acidosis. The patient's acidemia, electrolyte imbalance, and neck edema gradually resolved, and the patient was extubated 16 h after the operation without subsequent airway problems.

CONCLUSIONS

Anesthesiologists should be aware of acidemia, cardiopulmonary complications, and airway obstruction caused by excessive saline absorption after saline irrigation in endoscopic surgery.

FIGO best practice guidance in surgical consent

Obtaining medical consent preoperatively is one of the key steps in preparing for surgery, and is an important step in informed decision making with the patient. According to good medical practice guidelines, doctors are required to have the knowledge and skills to treat patients as well as inform them, respect their wishes, and establish trust between themselves and their patients. Valid consent includes elements of competence, disclosure, understanding, and voluntariness. Documentation of these elements is also very important. The International Federation of Gynecology and Obstetrics (FIGO) Education Communication and Advocacy Consortium (ECAC) has realized that the quality of consent varies considerably across the world and has developed simple guidelines regarding consent and procedure-specific checklists for the most common obstetric and gynecological procedures.

Operative Hysteroscopy Intravascular Absorption Syndrome - A Life-Threatening Complication

Operative hysteroscopy intravascular absorption (OHIA) syndrome is a rare and potentially life-threatening complication related to irrigation fluid systemic absorption during hysteroscopy. It can lead to severe electrolyte disturbances, cerebral and pulmonary oedema, dysrhythmias and coagulopathy. We present the case of a 30-year-old woman who underwent a hysteroscopic myomectomy. After absorbing 2.5 l of normal saline, she experienced haemodynamic instability, respiratory distress and severe metabolic acidosis, initially mistaken for an anaphylactic or haemorrhagic shock. Insufficient monitoring of fluid deficit and irrigation fluid pressures contributed to the condition. This case underscores the importance of recognising OHIA and its risk factors to enable timely intervention and prevent adverse outcomes. Close fluid balance monitoring is vital in hysteroscopic surgeries to mitigate OHIA development.

LEARNING POINTS

OHIA syndrome occurs due to the systemic absorption of the irrigation fluid used during hysteroscopic procedures.The presentation is diverse with encephalopathy, pulmonary oedema, dysrhythmias, electrolyte disturbances and coagulopathy.Fluid balance and irrigation fluid pressures should be monitored during hysteroscopic procedures to mitigate OHIA development.

Clinical efficacy of hysteroscopic adhesiolysis combined with periodic balloon dilation for intrauterine adhesion in IVF treatment

Background

Intrauterine adhesions (IUA), arising from diverse etiological factors, pose a significant threat to female fertility, particularly during in vitro fertilization (IVF) treatment.

Objective

To assess the effectiveness of hysteroscopic adhesiolysis (HA) combined with periodic balloon dilation in treating IUA and its impact on reproductive outcomes in women undergoing IVF treatment.

Methods

A total of 234 patients diagnosed with IUA were included in this study. The IUA women were categorized into three subgroups based on the severity of adhesion. All IUA patients underwent HA separation followed by periodic balloon dilation along with hormone replacement therapy (HRT). Frozen embryo transfer was performed post-treatment, and a comparative analysis of the general characteristics and clinical outcomes among the subgroups was conducted. The control group consisted of patients who underwent their first embryo transfer of HRT cycle without any uterine abnormalities, as assessed by the propensity score matching (PSM). The clinical outcomes of IUA group and control group were compared. Multivariate logistic regression analyses were employed to investigate the risk factors associated with live birth.

Results

① The endometrial thickness was significantly increased post-operation compared to pre-operation in all three IUA subgroups (all P <0.001), with the most pronounced change observed in the severe IUA group. After treatment, normal uterine cavity was restored in 218 women (93.16%). ② The overall clinical pregnancy rate was 49.57% (116/234) and live birth rate was 29.91% (70/234). The clinical outcomes were similar among the three subgroups after first embryo transfer (all P>0.05). Multivariate logistic regression analyses revealed that age (aOR 0.878, 95% CI 0.817~0.944, P=0.001) and endometrial thickness after treatment (aOR 1.292, 95% CI 1.046~1.597, P=0.018) were the two significant risk factors for live birth rate. ③ Following the process of matching, a total of 114 patients were successfully enrolled in the control group. The baselines and the clinical outcomes were all comparable between the IUA group and control group (all P>0.05).

Conclusion

The combination of HA and periodic balloon dilation is beneficial for improving endometrial receptivity and has a significant clinical impact on patients with IUA undergoing IVF.

Etiology, Risk Factors, and Management of Asherman Syndrome

Asherman syndrome is characterized by a triad of symptoms including pain, menstrual abnormalities, and infertility and is a result of intrauterine scar tissue after instrumentation of a gravid uterus. Saline sonohysterogram is typically the most sensitive diagnostic tool; however, hysteroscopy is the criterion standard for diagnosis. Treatment includes hysteroscopic-guided lysis of adhesion, with restoration of the anatomy of the uterine cavity. Several modalities are used in an attempt to reduce the reformation of scar tissue after surgery; however, there is no consensus on the ideal method. Stem cells and platelet-rich plasma are being explored as means of regenerative therapy for the endometrium, but data remain limited. At present, most individuals can have restoration of menstrual function; however, lower pregnancy rates and obstetric complications are not uncommon. These complications are worse for patients with a higher grade of disease. Efforts are needed in standardizing classification, reducing uterine instrumentation of the gravid uterus, and referring patients to health care professionals with clinical expertise in this area.

Effect of the decision to perform hysteroscopy on asymptomatic patients before undergoing assisted reproduction technologies-a systematic review and meta-analysis

OBJECTIVE

Routine hysteroscopic evaluation before assisted reproductive technology treatment is a novel approach with the potential to reduce assisted reproductive technology failure even in the absence of evidence of uterine pathology. Following the publication of several relatively high-quality trials on this topic, we sought to determine if this practice is beneficial.

DATA SOURCES

We searched Web of Science, MEDLINE, PubMed, Scopus, Cochrane Library, and ClinicalTrials.gov from each database's inception until May 31, 2022 with our search strategy, attempting to locate all randomized controlled trials assessing the use of hysteroscopy in otherwise asymptomatic women undergoing assisted reproductive technology.

STUDY ELIGIBILITY CRITERIA

We included only randomized controlled trials that included at least one of our selected outcomes, and we excluded any studies with suspicion of pathology before the time of hysteroscopy, other than knowledge of the patient's infertility. We included all the aforementioned studies regardless of procedures or modifications performed as a result of hysteroscopic findings. Our initial search yielded 1802 results, which were reduced to 1421 after removal of duplicates. Ultimately, 11 studies were found to meet our criteria and were included in our quantitative synthesis.

METHODS

We used ReviewManager software, version 5.4.1 to analyze the data, which we imported after manually gathering from the 11 studies. Continuous and dichotomous outcomes were imported as standard deviations. Pooled analysis was described as a mean difference, relative to 95 % confidence interval in cases of continuous data. Dichotomous outcomes were analyzed using risk ratios and 95% confidence intervals. In homogeneous outcomes, we used a fixed-effects model, and in heterogeneous outcomes we used a random-effects model.

RESULTS

Our results showed that hysteroscopy was associated with significant improvement in the clinical pregnancy rate (risk ratio, 1.27 [1.11-1.45]; P<.001). We found no differences between the hysteroscopy group and the control group in live birth rate (risk ratio, 1.26 [0.99-1.59]; P=.06), miscarriage rate (risk ratio, 0.99 [0.81-1.19]; P=.88), fertilization rate (risk ratio, 1.01 [0.93-1.09]; P=.88), incidence of multiple gestations (risk ratio, 1.29 [0.98-1.71]; P=.07), number of embryos transferred (mean difference, 0.04 [-0.18 to 0.26]; P=.73), chemical pregnancy rate (risk ratio, 1.01 [0.86-1.17]; P=.93), and number of oocytes retrieved (mean difference, 0.44 [-0.11 to 0.98]; P=.11).

CONCLUSION

We observed an improvement in the clinical pregnancy rate, but no significant improvement in the live birth rate with routine hysteroscopy before assisted reproductive technology treatment. We believe this does not represent sufficient evidence to recommend routine hysteroscopy for otherwise asymptomatic patients before assisted reproductive technology treatment at this time.

Pharmacologic Interventions to Minimize Fluid Absorption at the Time of Hysteroscopy: A Systematic Review and Meta-analysis

OBJECTIVE

To assess which interventions are effective in reducing fluid absorption at the time of hysteroscopy.

DATA SOURCE

Ovid MEDLINE, Ovid EMBASE, PubMed (non-MEDLINE records only), EBM Reviews-Cochrane Central Register of Controlled Trials (CENTRAL), ClinicalTrials.gov , and Web of Science were searched from inception to February 2022 without restriction on language or geographic origin.

METHODS OF STUDY SELECTION

Following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, all English-language, full-text articles reporting fluid balance, with an intervention and comparator arm, were included. Title and abstract screening and full-text review were completed independently by two authors. Conflicts were resolved through discussion and consensus. Studies' risk of bias was assessed using the Cochrane Risk of Bias Tool for RCTs and the Newcastle-Ottawa Scale for observational studies.

TABULATION, INTEGRATION, AND RESULTS

The search identified 906 studies, 28 of which were eligible for inclusion, examining the following interventions: gonadotropin-releasing hormone (GnRH) agonist; ulipristal acetate; vasopressin; danazol; oxytocin; and local, general, and regional anesthesia. A significant reduction in mean fluid absorption was seen in patients preoperatively treated with danazol (-175.7 mL, 95% CI -325.4 to -26.0) and a GnRH agonist (-139.68 mL, 95% CI -203.2, -76.2) compared with patients in a control group. Ulipristal acetate and type of anesthesia showed no difference. Data on type of anesthesia and vasopressin use were not amenable to meta-analysis; however, four studies favored vasopressin over control regarding fluid absorption. Mean operative time was reduced after preoperative treatment with ulipristal acetate (-7.1 min, 95% CI -11.31 to -2.9), danazol (-7.5 min, 95% CI -8.7 to -6.3), and a GnRH agonist (-3.3 min, 95% CI -5.6 to -0.98).

CONCLUSION

Preoperative treatment with a GnRH agonist and danazol were both found to be effective in reducing fluid absorption and operative time across a range of hysteroscopic procedures. High-quality research aimed at evaluating other interventions, such as combined hormonal contraception, progestin therapy, and vasopressin, are still lacking in the literature.

SYSTEMATIC REVIEW REGISTRATION

PROSPERO, CRD42021233804.

Hysteroscopic management of molar pregnancy: A series of 36 cases

Background: Hydatidiform Mole (HM) is the most common form of gestational trophoblastic disease. Dilatation and curettage is the classical treatment of this affection. Hysteroscopic resection (HsR) is an alternative for the treatment of intra-uterine pathology.

Objective: To describe the feasibility of HsR for the management of HM.

Result: Case series of patients who had a complete or partial HM confirmed by histological examination of the trophoblastic tissue resected by operative hysteroscopy between 2007 and 2019. After approval of our ethics committee, we evaluated 36 patients who underwent hysteroscopic resection for molar pregnancy. Histological analysis showed partial HM in 28 patients (77.8%) and complete HM in 8 (22.2%). Main surgical complications were uterine perforation in one patient and glycine resorption in 10 patients with two cases of hyponatremia corrected by standard treatment. We performed an ultrasound control 1 month after the intervention in 19 patients (52.8%) as they had slow decrease of HCG or bleeding complaints and found retained product of conception (RPOC) in six patients (16.7%).

Conclusion: This first report on a small number of patients demonstrate that hysteroscopic resection is a feasible procedure for the management of molar pregnancy. Direct visualization of the procedure helps the surgeon to control the resection. Further studies are mandatory to compare this technique with D&C in term of RPOC and fertility outcomes as it remains the standard treatment.

A Case Report of the Largest Submucosal Uterine Leiomyoma Removed by Single-Session Hysteroscopic Myomectomy in the Caribbean

Minimally invasive gynecological surgery is rapidly evolving in the Caribbean. Hysteroscopic myomectomy is the procedure of choice for the removal of submucosal uterine leiomyomas. In Trinidad and Tobago, advancements in minimally invasive surgery have allowed submucosal myomectomies to be performed hysteroscopically with results that are on par with international standards of care. This report highlights a successful hysteroscopic myomectomy performed for the largest submucosal uterine leiomyoma documented in the Caribbean.

Hysteroscopic myomectomy: The guidelines of the International Society for Gynecologic Endoscopy (ISGE)

OBJECTIVE

With this publication, the International Society for Gynecologic Endoscopy (ISGE) aims to provide the clinicians with the recommendations arising from the best evidence currently available on hysteroscopic myomectomy (HM).

STUDY DESIGN

The ISGE Task Force for HM defined key clinical questions, which led the search of Medline/PubMed and the Cochrane Database. We selected and analyzed relevant English-language articles, published from January 2005 to June 2021, including original works, reviews and the guidelines previously published by the European Society for Gynecological Endoscopy (ESGE) and the American Association of Gynecologic Laparoscopists (AAGL), in which bibliographies were also checked in order to identify additional references, using the medical subject heading (MeSH) term "Uterine Myomectomy" (MeSH Unique ID: D063186) in combination with ''Myoma" (MeSH Unique ID: D009214) and ''Hysteroscopy" (MeSH Unique ID: D015907). We developed the recommendations through multiple cycles of literature analysis and expert discussion.

RESULTS

The ISGE Task Force did develop 10 grade 1A-C and 4 grade 2A-C recommendations. For planning HM, evaluation of the uterus with saline infusion sonohysterography (SIS) or combined assessment by transvaginal ultrasound (TVUS) and diagnostic hysteroscopy is recommended (Grade 1A). The use of STEPW (Size, Topography, Extension of the base, Penetration and lateral Wall position) classification system of submucosal leiomyoma (LM) is recommended to predict the complex surgeries, incomplete removal of the LM, long operative time, fluid overload and other major complications (grade 1B). For type 0 LMs, in addition to resectoscopy (slicing technique), morcellation is recommended, being faster and having a shorter learning curve with respect to resectoscopy (grade 1C). For type 1-2 LMs, slicing technique is currently recommended (grade 1C). A fluid deficit of 1000 mL also in case of bipolar myomectomy with saline solution, in healthy women of reproductive age, contains low risk for major complications. Lower thresholds (750 mL) for fluid deficit should be considered in the elderly and in women with cardiovascular, renal or other co-morbidities (Grade 1B).

CONCLUSION

HM is the most effective conservative minimally invasive gynecologic intervention for submucous LM. The set of 14 ISGE recommendations can significantly contribute to the success of HM and the safety of patients for whom the choice of appropriate surgical technique, as well as the surgeon's awareness and measures to prevent complications are of the utmost importance.

Patient Safety in Hysteroscopic Procedure

This article aims to explain about outpatient hysteroscopy, where this procedure is currently being carried out. However, this procedure is also widely chosen by patients, because of its convenience, fast procedure, minimal complications, and of course more economical than day-case hysteroscopy. Before taking the procedure, it is important to explain to the patient about the disease, therapy, and the procedure to be carried out. Consent needs to be obtained voluntarily. We searched related publications using “patient safety” and “office hysteroscopy” and “informed consent” and “medical procedure” and “patient safety” and “injury” and “operative hysteroscopy” as keywords. This search had considered articles that had been published between 2002 and 2021. The conclusion from this library is that patient's convenient and safety is the top priority of outpatient hysteroscopy. Outpatient hysteroscopy showed higher satisfaction results than day-case hysteroscopy. Because it is more comfortable, faster, patients can immediately return to their activities and of course more efficient.

A Fluid-Management Drape for Hysteroscopy: Innovation for Improved Patient Safety and Surgical Care

BACKGROUND

Hysteroscopy requires accurate collection of unabsorbed distension media to measure patient fluid absorption. We assessed the effectiveness and usability of a novel total capture drape compared with a standard drape during hysteroscopy.

METHOD

Simulation trials were followed by an early-phase study to compare fluid-capture efficiency and measures of drape usability during hysteroscopy randomizing the total capture drape compared with a standard drape.

EXPERIENCE

Simulation trials indicated complete collection of unabsorbed fluid with the total capture drape and progressive loss of unabsorbed fluid with the standard drape. An early-phase study with 68 women found no statistical difference between groups for the hysteroscopic fluid deficit, but saw fewer cases with lost fluid in the total capture drape compared with the standard drape. Direct observation and focus group data indicated a trend for better capture of unabsorbed fluid with the total capture drape, along with increased usability once surgeons became familiar with correct placement.

CONCLUSION

Simulation and early-phase study results are favorable for the total capture drape, demonstrating comparable fluid collection with the standard drape. With repeated use and in-service training, surgeons expressed greater confidence in the accuracy of the hysteroscopic fluid deficit with the total capture drape compared with the standard drape. Design modifications should improve overall usability and fluid-capture efficiency.

Acute Severe Hyponatremia following Hysteroscopic Procedure in a Young Patient: A Case Report and Review of the Literature

Background

Hysteroscopic surgery is a minimally invasive procedure used to diagnose and treat intrauterine pathologies. It requires distension of the uterine cavity for the adequate visualization of the operative field. Glycine (1.5%) is one of the most commonly used solutions because it is nonconductive and also has good optical properties. However, acute hyponatremia is a critical complication that can develop after the absorption of a sufficient amount of the irrigation medium. Case Presentation. We report a case of a 43-year-old female patient who developed acute symptomatic hyponatremia (104 mEq/L) and pulmonary edema secondary to hysteroscopic resection of leiomyoma and hastily approached with rapid sodium correction measures.

Conclusion

Multiple strategies can be taken to reduce the risk of fluid absorption and subsequent hyponatremia. Moreover, attention should be paid to the treatment approach for patients with acute hyponatremia following hysteroscopic procedures; rapid correction of acute hyponatremia for such patients might be safe, although there is no consensus in the literature, and further trials are needed.

[Guidelines for Clinical Practice of the French College of Obstetricians and Gynecologists 2021: Prophylactic procedures associated with gynecologic surgery]

OBJECTIVE

To draw up recommendations on the use of prophylactic gynecologic procedures during surgery for other indications.

DESIGN

A consensus panel of 19 experts was convened. A formal conflict of interest policy was established at the onset of the process and applied throughout. The entire study was performed independently without funding from pharmaceutical companies or medical device manufacturers. The panel applied the GRADE (Grading of Recommendations Assessment, Development and Evaluation) system to evaluate the quality of evidence on which the recommendations were based. The authors were advised against making strong recommendations in the presence of low-quality evidence. Some recommendations were ungraded.

METHODS

The panel studied 22 key questions on seven prophylactic procedures: 1) salpingectomy, 2) fimbriectomy, 3) salpingo-oophorectomy, 4) ablation of peritoneal endometriosis, 5) adhesiolysis, 6) endometrial excision or ablation, and 7) cervical ablation.

RESULTS

The literature search and application of the GRADE system resulted in 34 recommendations. Six were supported by high-quality evidence (GRADE 1+/-) and 28 by low-quality evidence (GRADE 2+/-). Recommendations on two questions were left ungraded due to a lack of evidence in the literature.

CONCLUSIONS

A high level of consensus was achieved among the experts regarding the use of prophylactic gynecologic procedures. The ensuing recommendations should result in improved current practice.

Comparison of Bipolar Ball Endometrial Ablation and Transcervical Resection of the Endometrium in the Treatment of Heavy Menstrual Bleeding: A Randomized Clinical Trial

Objectives

To compare the operative time, effectiveness, and patient satisfaction between ball endometrial ablation and transcervical resection of the endometrium (TCRE) using a bipolar resectoscope.

Materials and Methods

Forty-four women with heavy menstrual bleeding who were unresponsive to at least 3 months' medical management were included in this randomized, controlled clinical trial. After randomization, patients underwent either TCRE or ball endometrial ablation using a bipolar resectoscope. The operative time, fluid deficit, and postoperative pain were recorded. The patients were evaluated postoperatively at 3, 6, and 12 months after surgery. Patient satisfaction, amenorrhea rate, reintervention rate, and pictorial blood-loss-assessment chart (PBAC) score were compared between the two groups.

Results

The mean operative time in ball endometrial ablation group was 11.17 ± 2.24 min and in TCRE group was 22.33 ± 5.26 min (P < 0.001). There was no significant difference in the postoperative PBAC score, amenorrhea rates, patient satisfaction, and need for reintervention between the two groups.

Conclusion

Operative time with ball endometrial ablation is significantly less when compared to TCRE when using a bipolar resectoscope.

Distending Media Used During Hysteroscopy: Perioperative Nursing Implications

Hysteroscopy is a gynecological procedure that may be indicated for abnormal uterine bleeding, diagnosis and management of infertility, contraception, or sterilization. Surgeons use distending media during hysteroscopy to view the uterine cavity. Media options include carbon dioxide gas and both electrolytic and nonelectrolytic fluids. All distending media is absorbed by the patient's body, but the manner in which each media is absorbed is unique to its chemical composition. Understanding the properties of each distending medium and the risks involved with its use is critical to safe perioperative nursing care for patients undergoing hysteroscopy. This article provides perioperative nurses with a review of uterine anatomy and evidence-based information on the types of distending media used during hysteroscopy and the corresponding perioperative nursing implications.

Whether preoperative hysteroscopy increases the dissemination of endometrial cancer cells: A systematic review and meta-analysis

AIM

To determine whether hysteroscopy (HSC) increases the risk of intraperitoneal dissemination in endometrial cancer patients.

METHODS

We conducted a comprehensive review of multiple databases. Quality assessments of eligible studies were performed using the Newcastle-Ottawa and Jadad scales. Positive peritoneal cytology (PPC) as the outcome of interest was compared between endometrial cancer patients with and without HSC. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated as a measure of effects.

RESULTS

Three case-control studies and eight retrospective cohort studies included 3364 patients, of whom 1116 underwent preoperative HSC, which resulted in a significantly higher PPC rate (OR, 1.82; 95% CI, 1.31-2.54; p = 0.0004). I² was 11%, and the heterogeneity was acceptable. The difference between the groups with stages I-II was statistically insignificant (OR, 1.50; 95% CI, 0.75-2.99; p = 0.25). When liquid was used as the uterine distension medium during HSC and the intrauterine pressure was controlled under 80 mmHg, the difference between the two groups was also insignificant (OR, 1.18; 95% CI, 0.50-2.79; p = 0.71). However, when the intrauterine pressure exceeded 80 mmHg, the difference between the two groups was statistically significant (OR, 2.18; 95% CI, 1.28-3.73; p = 0.004).

CONCLUSION

This meta-analysis indicates that preoperative HSC in patients with endometrial cancer may increase the risk of intraperitoneal dissemination of malignant cells, which may be associated with intrauterine pressure >80 mmHg but not with stages I-II. There is no reason to avoid HSC for the diagnosis of endometrial cancer, especially in early stages, but intrauterine pressure should possibly be controlled below 80 mmHg.

Pain management for in-office hysteroscopy. A practical decalogue for the operator

Hysteroscopy is known to be the gold standard for evaluation of intrauterine pathologies, pre-menopausal and post-menopausal abnormal uterine bleeding and, in addition to this, it is a crucial examination in the infertility work-up. In-office operative hysteroscopy incorporates the outstanding possibility of seeing and treating an intracavitary pathology in the same examination, eliminating all the risk related to anesthesia and reducing procedure-related costs. By now, performing operative procedures in the office setting is recognized as feasible and safe. Over the last 20 years, many efforts have been made to implement the in-office operative approach worldwide. However, for some women, in-office hysteroscopy is still considered a painful experience, with reported discomfort at different steps of the hysteroscopic procedures. Moreover, uneventful and tedious sensations might be increased by a high level of anxiety for such examination. For this reason, despite the feasibility of the in-office approach, many clinicians are still afraid of provoking pain during the procedure and rather not to perform surgical procedures in the office, postponing the removal of the pathology in the operating room. To date, there is no consensus concerning pain management for in-office hysteroscopy and different approaches, pharmacological and non-pharmacological aids, as well as several procedural tips and tricks are utilized. Our purpose is to provide a feasible practical decalogue for the operator, to supply adequate management of pain during in-office hysteroscopic procedures, performing challenging operations, shrinking discomfort, aiming to upgrade both women's and operator's satisfaction.

Comparison of Hysteroscopic Cesarean Scar Defect Repair with 26 Fr Resectoscope and 16 Fr Mini-resectoscope: A Prospective Pilot Study

STUDY OBJECTIVE

Several studies have been published on hysteroscopic treatment of cesarean scar defect using the 26 Fr resectoscope. This study compared the effects of the 26 Fr resectoscope with those of the 16 Fr mini-resectoscope in terms of efficacy, safety profile, and peri- and postoperative complications.

DESIGN

A prospective cohort study.

SETTING

Tertiary care university hospital (S. Orsola-Malpighi, Bologna, Italy).

PATIENTS

Three hundred and nine women having symptoms and with a cesarean scar defect diagnosis were divided into 2 groups according to a temporal criterion: from March 2012 to March 2015, 155 consecutive women (control group) underwent isthmoplasty with the 26 Fr resectoscope (Karl Storz, Tuttlingen, Germany), whereas from April 2015 to March 2018, 154 consecutive women (study group) underwent isthmoplasty with the 16 Fr mini-resectoscope (Gubbini system, Tontarra Medizintechnik, Tuttlingen, Germany).

INTERVENTIONS

One hundred and fifty-five women (control group) underwent isthmoplasty with the 26 Fr resectoscope, and 154 women (study group) underwent isthmoplasty with the 16 Fr mini-resectoscope. The so-called "channel-like" 360° endocervical resection technique was applied.

MEASUREMENTS AND MAIN RESULTS

The isthmoplasty time with the 2 resectoscopes, excluding cervical dilatation, was similar (p = .25), whereas the overall surgical time was shorter in the case of the mini-resectoscope. The use of the 16 Fr mini-resectoscope was significantly associated with a reduced volume of distension medium used (p <.001) and a lower fluid absorption (p <.001). A significant increase (p = .01) in postoperative complications in the control group (9/155; 5.8%) compared with the study group (1/154; 0.7%) was also found. No significant reduction in discharge time was observed between the 2 groups (p = .13). Patient satisfaction immediately after surgery was significantly higher (p <.001) in the study group than in the control group.

CONCLUSION

Isthmoplasty with a 16 Fr mini-resectoscope seems to be as effective as isthmoplasty with a 26 Fr resectoscope in reducing postmenstrual abnormal uterine bleeding and suprapubic pelvic pain. It is associated with a significant reduction in overall surgical time owing to the non-necessity of performing cervical dilatation. The 16 Fr mini-resectoscope facilitates surgery in small anatomical spaces such as the cervical canal and reduces the complication rate linked to blind maneuvers not respecting the uterine anatomy.

The Impact of Spinal Anesthesia and Use of Oxytocin on Fluid Absorption in Patients Undergoing Operative Hysteroscopy: Results from a Prospective Controlled Study

Objective

The aim of this study was to determine if combining intravenous oxytocin infusion and spinal anesthesia will reduce the amount of glycine absorption in patients undergoing operative hysteroscopy.

Patients and Methods

A prospective controlled study was conducted in premenopausal patients who had hysteroscopic surgery including endometrial resection, endometrial polypectomy, myomectomy resection and uterine septal resection. The effect of combined spinal anesthetic with oxytocin infusion on fluid deficit was studied.

Results

A total of 88 patients were studied. Sixty-two cases were done under general anesthesia (control group) and 26 cases were performed with spinal anesthesia and the use of oxytocin infusion (study group). There was a statistically significant less mean fluid deficit in the study group than control group in the endometrial polypectomy patients (220±36 mL vs 392±178 mL, respectively, P value 0.010, 95% C.I.: 163–276) and the myomectomy patients (308±66 mL vs 564±371 mL, respectively, P value 0.003, 95% C.I.: 239–378). In the endometrial resections, there was also a statistically significant less mean fluid deficit in the study than the control group (P value ˂ 0.001). Regarding septal resection, there was no statistically significant difference in the mean fluid deficit between the two groups (P value 0.833).

Conclusion

Spinal anesthesia combined with intravenous oxytocin infusion in operative hysteroscopy results in a statistically significant reduction in the glycine fluid deficit than the general anesthesia. We also recommend studying the effects of this combination in operative hysteroscopy using bipolar devices with isotonic solutions.

Pharmacological and non-pharmacological pain relief for office hysteroscopy: an up-to-date review

In-office hysteroscopy is considered the standard technique for visualization of the uterine cavity and the diagnosis of intrauterine pathologies. Moreover, nowadays, it is possible to treat a vast number of intracavitary diseases in the office, without the need for the inpatient setting. However, in some cases, pain might occur, and this is the most common reason for not completing the procedure. Over the last 20 years, many efforts have been carried out to miniaturize the instrumentation and to improve the techniques in order to avoid discomfort. Nonetheless, hysteroscopy still provokes distress for many patients. For this reason, pharmacological and non-pharmacological treatments for intraoperative and postoperative pain relief have been widely used for in-office hysteroscopy, with different results in various groups of women. The purpose of this review was to analyze the current literature on pharmacological aids (non-steroidal anti inflammatory drugs, cyclooxygenase-2 inhibitors, antispasmodics, local anesthetics, prostaglandins, opioids) and non-pharmacological interventions (transcutaneous electrical nerve stimulation, uterine stretching, uterine pressure, warming of distension medium, hypnosis, music, vocal-local) and to evaluate their impact on the relief from pain experienced during in-office hysteroscopy.

Intrauterine Fluid Instillation and Transtubal Flow: A Randomized Controlled In vitro Trial Comparing Gel and Water

Background:

Possible transtubal spillage of malignant cells is a major concern in fluid instillation sonography, as it is in hysteroscopy. This study aims to compare the transtubal flow of gel and saline and validate the clinical hypothesis that application of fluids with higher viscosity causes less spillage.

Methods:

Randomized controlled in vitro trial comparing gel and saline infusion on 15 tissue specimens after hysterectomy with bilateral salpingectomy. Instillations are performed with saline and gel dyed with a 1% ink solution. Qualitative assessment of tubal spill is investigated as primary outcome. Secondary outcomes are instillation-volume and -pressure, assessed by measuring endometrial cavity dilation at in vitro ultrasound examination and subjective numeric 10-point scoring of the instillation pressure by a dedicated examiner.

Results:

Tubal flow was more often observed during saline instillation (odds ratio 4.88, P = 0.008). Median subjectively assessed instillation pressures were nine arbitrary units for gel and three for saline (P < 0.001). Tubal flow occurred from 2 cc onward in the saline group versus five cc in the gel instillation group. Cavitary dilation did not differ between both groups.

Conclusion:

Gel instillation sonography is in vitro associated with less tubal flow and therefore could be a safer diagnostic test compared to saline infusion sonography or hysteroscopy. In vivo studies are necessary to confirm these results.

Life-threatening acute water intoxication in a woman undergoing hysteroscopic myomectomy: a case report and review of the literature

BACKGROUND

Acute water intoxication after hysteroscopy is a rare, life-threatening condition, often accompanied with delayed diagnosis owing to masked symptoms because of general anesthesia.

CASE PRESENTATION

Herein we presented a 39-year-old female who presented with cardiac arrest after hysteroscopic myomectomy because of acute water intoxication and survived after extracorporeal membrane oxygenation, continuous venous-venous hemofiltration, and aggressive high sodium fluid resuscitation.

CONCLUSION

Failure to recognize and treat this condition appropriately may lead to potentially lethal cardiopulmonary complications.

Comparing volumetric and biochemical assessment of intravasation caused by hysteroscopic surgery

BACKGROUND

During hysteroscopic surgery intravasation of irrigation fluid occurs, leading to potentially dangerous intravascular fluid overload. Currently, intravasation is usually measured volumetrically as fluid deficit. Intravasation could also be calculated using the decrease in hemoglobin or increase in chloride ion concentration, both phenomena known to result from intravasation. We compared the values of intravasation measured volumetrically as fluid deficit versus calculated from the biochemical change in hemoglobin and chloride. We expected that these values would show strong correlation and agreement.

METHODS

In a retrospective data analysis of 51 patients who underwent hysteroscopic resection of myomas or endometrium a pre and post procedure concentration of haemoglobin and chloride was available. The fluid deficit was plotted against the two versions of calculated intravasation. Furthermore, we put the data into Bland-Altman plots to scrutinize their relationship.

RESULTS

The volumetric assessed fluid deficit and both versions of biochemically assessed intravasation, either using the change in hemoglobin or chloride ion concentration, turned out to be three totally different entities with weak correlation. Bland-Altman plots show too wide limits of agreement, and a striking difference between the two methods of calculated intravasation.

CONCLUSION

Our study shows significant differences and poor agreement between volumetric and biochemically assessed intravasation. Based on this study, routinely assessing intravasation by biochemical methods does not have additional benefit compared to the volumetric fluid deficit. It remains unclear which method resembles true intravasation.

Updates in office hysteroscopy: a practical decalogue to perform a correct procedure

Nowadays, hysteroscopy is the gold standard for the diagnosis and treatment of intrauterine pathologies as it represents a safe and minimally invasive procedure that allows the visualization of the entire uterine cavity. Numerous technological innovations have occurred over the past few years, contributing to the development and widespread use of this technique. In particular, the new small-diameter hysteroscopes are equipped with an operating channel in which different mechanical instruments can be inserted, and they allow not only to examine the cervical canal and uterine cavity but also to perform biopsies or treat benign diseases in a relatively short time without anesthesia and in an outpatient setting. In this scenario, the operator must be able to perform hysteroscopy in the correct way to make this procedure increasingly safe and painless for the patient. This review aims to describe the ten steps to perform a correct office hysteroscopy, starting from patient counseling to the therapy after the procedure.