Surgical interventions for posterior compartment prolapse and obstructed defecation symptoms: a systematic review with clinical practice recommendations

Outcomes of laparoscopic ventral mesh rectopexy versus trans-vaginal repair in management of anterior rectocele, a randomized controlled trial

BACKGROUND

Anterior rectocele is one of the most common colorectal problems with symptoms of obstructed defecation or rectal emptying difficulties. The aim of this study is to compare the outcomes of laparoscopic ventral mesh rectopexy (LVMR) and transvaginal repair (TVR) for symptomatic anterior rectocele.

METHODS

This is a prospective randomized controlled trial conducted with 40 women. Patients were randomized into two groups. LVMR was done in the first group, whereas the second group underwent TVR. Patient outcomes were compared regarding improvement in constipation using the Cleveland Clinic Constipation (CCC) score and sexual-related quality of life score using the short form of the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire (PISQ-12) at 6- and 12-month follow-up.

RESULTS

Forty females were enrolled in this trial. Each group comprised 20 patients. Preoperatively, the CCC score was 17 ± 2.8 in the LVMR group vs. 17.3 ± 2 in the TVR group (P = 0.278). A significant decrease in the constipation score was recorded in each group at 6 and 12 months after surgery. Regarding sexual function, the mean PISQ-12 score at 6 months was 32 ± 3.9 for LVMR vs. 35 ± 1.4 for TVR, P < 0.001), while at 12 months no difference was noted between the two groups. However, each group showed significant improvement in the PISQ-12 score at 6- and 12-month follow-up.

CONCLUSION

Comparable results were noted for LVMR and TVR in management of anterior rectocele. Obstructive defecation symptoms and sexual function showed significant improvement after 1 year of follow-up. Nevertheless, long-term follow-up is needed.

CLINICAL TRIAL REGISTRATION

The study was registered in the clinical trials registry with registration number NCT06633172.

Short-Term Complications Following Transvaginal Sacrospinous Ligament Rectopexy: A Retrospective Cohort Study

INTRODUCTION AND HYPOTHESIS

Obstructed defecation syndrome (ODS) affects over 12% of middle-aged women, characterized by excessive straining, incomplete evacuation, and splinting. Current surgical options such as ventral mesh rectopexy, though effective, involve risks associated with mesh use and abdominal entry. This study evaluates the short-term complications of transvaginal sacrospinous ligament rectopexy.

METHODS

This retrospective cohort study was conducted at a tertiary medical center, including patients over 21 years who underwent transvaginal sacrospinous ligament suture rectopexy for ODS from January 2018 to May 2024. Demographic, intraoperative, and 30-day postoperative complication data were collected.

RESULTS

A total of 190 patients with a mean age of 62.3 years underwent transvaginal sacrospinous ligament suture rectopexy. Intraoperative complications were rare, with four rectal injuries: two occurred during posterior dissection, one due to aggressive posterior repair, and another was discovered during exploration for postoperative pain. All rectal injuries were managed successfully. One patient experienced significant intraoperative bleeding, resulting in a hematoma that required evacuation 5 days later. Postoperative urinary retention was the most common complication, affecting 29.8% of patients. This was associated with concurrent procedures, such as mid-urethral sling placement and anterior colporrhaphy. Reoperation within 30 days was necessary for six patients (3.7%): two for urinary retention due to sling-related issues, two for sacrospinous pain necessitating suture removal, and two for vaginal bleeding related to hematoma formation. No cases of surgical site infection, sepsis, or mortality were observed.

CONCLUSIONS

Transvaginal sacrospinous ligament suture rectopexy appears to be a safe alternative for ODS treatment, with low short-term complication rates.

Rectocele with obstructive defecation syndrome: Laparoscopic rectopexy or vaginal repair?

INTRODUCTION

The concomitant presence of a rectocele with obstructive defecation syndrome (ODS) is highly probable. The purpose of this study was to evaluate the effectiveness of native tissue vaginal rectocele repair (VRR) and laparoscopic ventral mesh rectopexy (LVMR) in terms of functional outcome via the medium to long-term ODS score evaluation.

MATERIAL

This was a retrospective cohort study. We identified 30 patients having undergone LVMR for rectocele with defecatory symptoms between January 2015 and December 2021, matched with the same number of patients treated by VRR for the same indication and in the same period. The hypothesis was that both procedures were susceptible to lead to a favorable functional outcome. The main endpoint was ODS score at follow-up. Multivariate analysis was used to assess relationship between ODS score and type of surgery.

RESULTS

Patients' demographics were similar in both groups. However, the preoperative ODS score was significantly higher in the LVMR group (P<0.01). Furthermore, the use of preoperative imaging investigations and diagnosis of an associated rectal intussusception were more frequent in the LVMR group. The mean ODS scores at follow-up (median follow-up 5years) were comparable in the two groups (6.2 for LVMR and 4.43 for VRR). These scores were significantly reduced compared to preoperative values in both groups (P<0.0001).

CONCLUSIONS

There was a significant reduction in ODS scores on medium/long-term follow-up with both surgical techniques. A larger study utilizing randomized comparison of both procedures is needed to confirm our findings.

LEVEL OF EVIDENCE: 4

A 5-year evaluation of quality of life, pelvic discomfort, and sexual function following posterior pericervical repair

The aim of this study was to evaluate the quality of life, pelvic discomfort, and sexual function of patients who underwent posterior pericervical repair or level I to III surgical procedures for pelvic organ prolapse (POP) after 5 years of follow-up. This retrospective cohort study enrolled 107 women with POP who were referred to the Imam Khomeini Hospital Complex, an academic center affiliated with the Tehran University of Medical Sciences, Tehran, Iran, from 2014 to 2021. The patients underwent transvaginal surgery using native tissue, in which the rectovaginal fascia was attached to the pericervical ring. The Pelvic Floor Distress Inventory-20 (PFDI-20) and Lower Urinary Tract Symptoms Module (ICIQ-FLUTSsex) questionnaires were completed by each patient before and 5 years after surgery. Of the 107 patients, only 78 completed the 5-year follow-up. The mean PFDI-20 scores before, 12 months, and 5 years after surgery were 141.87 ± 34.48, 100.87 ± 26.48, and 37.49 ± 56.39, respectively, indicating a significant improvement in the patients' symptoms after surgery (P < 0.001). The total mean score of ICIQ-FLUTSsex was 3.67 ± 3.63 (range, 0-10). In total, 22 (28.2%) women had an ICIQ-FLUTSsex score of 0, indicating no problems. The attachment of the rectovaginal fascia to the pericervical rings can be an effective surgical technique for correcting posterior vaginal wall prolapses, without significant morbidity. The PFDI-20 score improved significantly from before surgery to 12 months and 5 years after surgery.

Assessment of manometric results following posterior pericervical repair or level I to III surgical procedures

Constipation and obstructive bowel disorders are the most common symptoms of prolapse and posterior defects. Prolapse and obstructive defecation disorders are treated using various surgical techniques to repair posterior defects. This study aimed to evaluate the manometry results of patients before and after reconstructive surgery of the posterior compartment. This retrospective cohort study included 40 women with defecation disorders referred to the Imam Khomeini Hospital Complex, an academic center affiliated with Tehran University of Medical Sciences, Tehran, Iran, from 2020 to 2021. Data were collected through medical records and a checklist developed by the researcher before and after surgery. All analyses were performed using SPSS software (version 26), with significance at p<0.05. Forty women with a mean age of 49.47±9.66 years participated in this study. The manometry results showed significant differences in patients before and after surgery in parameters such as maximum resting pressure, push test, constipation, straining during defecation, finger support necessity, sensation of incomplete defecation, dyspareunia, and husband's sexual satisfaction (p<0.001). In addition, all patients had a grade 2 or higher posterior compartment prolapse, which improved in all cases after surgery (p<0.0001). Patients' symptoms significantly improved during the 12-month follow-up after DeLancey level 3 to 1 surgery. This type of surgery proved to be an effective surgical intervention without significant complications in the short-term follow-up.

Preoperative predictors of success after transvaginal rectocoele repair

PURPOSE

Determine predictors of success for transvaginal rectocoele repair (TVRR). Primary aim is to establish predictors of successful treatment analysing patients' characteristics, baseline symptoms, pelvic floor test results and pre-operative conservative treatment.

METHODS

Retrospective single institution study in a tertiary referral centre for pelvic floor disorders. 207 patients underwent TVRR for symptomatic rectocoele. Information about symptoms related to obstructive defaecation, anal incontinence and vaginal prolapse, results of pelvic floor investigations, multimodality conservative management and variation in surgical technique have been recorded. Symptom related information have been collected at surgical follow-up.

RESULTS

115 patients had residual symptoms after surgical repair of rectocoele, while 97 were symptoms free. Factors associated with residual symptoms after surgical repair are previous proctological procedures, urge AI symptoms, absence of vaginal bulge symptoms, use of transanal irrigation and having a concomitant enterocoele repair during procedure.

CONCLUSION

Factors able to predict a less favourable outcome after TVRR in patients with concomitant ODS are previous proctological procedures, presence of urge AI, short anal canal length on anorectal physiology, seepage on defaecating proctography, use of transanal irrigation, absence of vaginal bulge symptoms and enterocoele repair during surgery. These information are important for a tailored decision making process and to manage patients' expectations before surgical repair.

The patient with obstructed defecatory symptoms: Management differs considerably between physicians and surgeons

BACKGROUND

Patients with obstructed defecatory symptoms (ODS) are commonly referred to either gastroenterologists (GE) or colorectal surgeons (CS). Further management of these patients may be impacted by this choice of referral.

METHODS

An online survey of specialist practice was disseminated to GE and CS in Australia and New Zealand. A case vignette of a patient presenting with ODS was described, with multiple subsequent scenarios designed to delineate the responder's preferred approach to management of this patient.

KEY RESULTS

A total of 107 responders participated in the study, 62 CS and 45 GE. For a female patient with ODS not responding to pharmacological treatment, GE were more likely than CS to refer patients for anorectal manometry, while CS were more likely to refer for dynamic imaging. A quarter of CS and GE referred patients directly to pelvic floor physiotherapy, without any pre-treatment testing. Knowing the result of dynamic imaging, especially if a rectocele was demonstrated, substantially influenced management for both of the specialties: GE became more likely to refer the patients for CS consultation and less likely to refer directly for biofeedback or physiotherapy and CS were more likely to opt for an operative pathway over conservative management than they were prior to knowledge of the imaging findings. The majority (>75%) of GE and CS did not find it necessary to obtain a gynecological consultation, even in the presence of a rectocele.

CONCLUSIONS & INFERENCES

Practice variation across medical specialties affects diagnostic and management recommendations for patients with ODS, impacting treatment pathways. Our findings provide an incentive toward establishing interdisciplinary, uniform, management guidelines.

Is posterior compartment prolapse associated with anal incontinence?

OBJECTIVE

It has been claimed that manifestations of posterior compartment prolapse, such as rectocele, enterocele and intussusception, are associated with anal incontinence (AI), but this has not been studied while controlling for anal sphincter trauma. We aimed to investigate this association in women with intact anal sphincter presenting with pelvic floor dysfunction.

METHODS

This retrospective study analyzed 1133 women with intact anal sphincter presenting to a tertiary urogynecological center for pelvic floor dysfunction between 2014 and 2016. All women underwent a standardized interview, including assessment of symptoms of AI, clinical examination and three-/four-dimensional transperineal ultrasound. Descent of the rectal ampulla, true rectocele, enterocele, intussusception and anal sphincter trauma were diagnosed offline.

RESULTS

Mean age was 54.1 (range, 17.6-89.7) years and mean body mass index was 29.4 (range, 14.7-67.8) kg/m2 . AI was reported by 149 (13%) patients, with a median St Mark's anal incontinence score of 12 (interquartile range, 1-23). Significant posterior compartment prolapse was seen in 693 (61%) women on clinical examination. Overall, 638 (56%) women had posterior compartment prolapse on imaging: 527 (47%) had a true rectocele, 89 (7.9%) had an enterocele and 26 (2.3%) had an intussusception. Women with ultrasound-diagnosed enterocele had a significantly higher rate of AI (23.6% vs 12.3%; odds ratio (OR), 2.21 (95% CI, 1.31-3.72); P = 0.002), but when adjusted for potential confounders, this association was no longer significant (OR, 1.56 (95% CI, 0.82-2.77); P = 0.134).

CONCLUSION

In women without anal sphincter trauma, posterior compartment prolapse, whether diagnosed clinically or by imaging, was not shown to be associated with AI. © 2022 International Society of Ultrasound in Obstetrics and Gynecology.

Management of female pelvic organ prolapse-Summary of the 2021 HAS guidelines

When a patient presents with symptoms suggestive of pelvic organ prolapse (POP), clinical evaluation should include an assessment of symptoms, their impact on daily life and rule out other pelvic pathologies. The prolapse should be described compartment by compartment, indicating the extent of the externalization for each. The diagnosis of POP is clinical. Additional exams may be requested to explore the symptoms associated or not explained by the observed prolapse. Pelvic floor muscle training and pessaries are non-surgical conservative treatment options recommended as first-line therapy for pelvic organ prolapse. They can be offered in combination and be associated with the management of modifiable risk factors for prolapse. If the conservative therapeutic options do not meet the patient's expectations, surgery should be proposed if the symptoms are disabling, related to pelvic organ prolapse, detected on clinical examination and significant (stage 2 or more of the POP-Q classification). Surgical routes for POP repair can be abdominal with mesh placement, or vaginal with autologous tissue. Laparoscopic sacrocolpopexy is recommended for cases of apical and anterior prolapse. Autologous vaginal surgery (including colpocleisis) is a recommended option for elderly and fragile patients. For cases of isolated rectocele, the posterior vaginal route with autologous tissue should be preferentially performed over the transanal route. The decision to place a mesh must be made in consultation with a multidisciplinary team. After the surgery, the patient should be reassessed by the surgeon, even in the absence of symptoms or complications, and in the long term by a primary care or specialist doctor.

Does parity impact obstructed defecation in women with normal anorectal anatomy?

INTRODUCTION AND HYPOTHESIS

Obstructed defecation (OD) is often associated with trauma to pelvic connective tissue and nerves sustained during pregnancy and childbirth. Although there are multiple potential etiologies of defecatory dysfunction, the pathophysiology of this symptom complex is not well understood. The purpose of this study is to determine the role of parity in the development of obstructed defecatory symptoms in women with normal anorectal anatomy in a search for evidence of a presumptive neuropathic effect of pregnancy and childbirth.

METHODS

This study retrospectively evaluated the records of 754 women presenting at a tertiary urogynecology unit for pelvic floor dysfunction with no anatomical abnormalities of the anorectum on imaging. They were stratified according to parity. The authors determined the prevalence of obstructed defecation symptoms in these groups. Chi-squared test was performed for statistical analysis.

RESULTS

Median age was 51 (range 16-88) years, and median vaginal parity was 2 (0-8); 399 (53%) women reported symptoms of OD. When anatomical abnormalities of the anorectum were excluded, parity did not seem to have a major effect on the prevalence of symptoms of OD.

CONCLUSIONS

In this cohort, parity is unlikely to be a cause of OD in women with normal anorectal anatomy.

Native Tissue Posterior Compartment Repair for Isolated Posterior Vaginal Prolapse: Anatomical and Functional Outcomes

Background and Objectives: Posterior compartment prolapse is associated with constipation and obstructed defecation syndrome. However, there is still a lack of consensus on the optimal treatment for this condition. We aim to investigate functional, anatomical, and quality-of-life outcomes of native tissue transvaginal repair of isolated symptomatic rectocele. Materials and Methods: We retrospective analyzed patients who underwent transvaginal native tissue repair for stage ≥ II and symptomatic posterior vaginal wall prolapse between January 2018 and June 2021. Anatomical and functional outcomes were evaluated. Wexner constipation score was used to assess bowel symptoms, while the Patient Global Impression of Improvement (PGI-I) score was used to evaluate subjective satisfaction after surgery. Results: Twenty-eight patients were included in the analysis. The median age was 64.5 years, and half of them underwent a previous hysterectomy for benign reasons. The median follow-up time was 33.5 months. A significant anatomical improvement in the posterior compartment was noticed compared with preoperative assessment (p < 0.001 for Ap and Bp), with only two (7.1%) anatomical recurrences. Additionally, obstructed defecation symptoms decreased significantly compared to baseline (p < 0.001), as well as vaginal bulging, with no new-onset cases of fecal incontinence or de novo dyspareunia. PGI-I resulted in 89.2% of patients being satisfied (PGI-I ≥ 2), with a median score of 1.5. Conclusions: Transvaginal native tissue repair for isolated posterior prolapse is safe and effective in managing bowel symptoms, with excellent anatomical and functional outcomes and satisfactory improvement in patients’ quality of life.

ACG Clinical Guidelines: Management of Benign Anorectal Disorders

Benign anorectal disorders of structure and function are common in clinical practice. These guidelines summarize the preferred approach to the evaluation and management of defecation disorders, proctalgia syndromes, hemorrhoids, anal fissures, and fecal incontinence in adults and represent the official practice recommendations of the American College of Gastroenterology. The scientific evidence for these guidelines was assessed using the Grading of Recommendations Assessment, Development and Evaluation process. When the evidence was not appropriate for Grading of Recommendations Assessment, Development and Evaluation, we used expert consensus to develop key concept statements. These guidelines should be considered as preferred but are not the only approaches to these conditions.

Defecatory Dysfunction

Normal defecation is a complex and coordinated physiologic process that involves the rectum, anus, anal sphincter complex, and pelvic floor muscles. Any alteration of this process can be considered defecatory dysfunction, a term that covers a broad range of disorders, including slow-transit constipation, functional constipation, and functional or anatomic outlet obstruction. Evaluation should include history, physical, and consideration of additional testing such as colonoscopy, colonic transit studies, defecography, and/or anorectal manometry. Depending on the etiology, management options can include conservative measures such as dietary or lifestyle modifications, medications, pelvic floor physical therapy, or surgical repair.

Outcomes of Surgery with Vaginal Native Tissue for Posterior Vaginal Wall Prolapse Using a Special Technique

There are several techniques for repairing prolapse in the posterior vaginal compartment, yet there is no general agreement on the best surgical procedure. This study was performed to investigate the outcomes of the common vaginal route technique for posterior vaginal wall prolapse repair in the first Iranian fellowship teaching center for female pelvic floor disorders. This prospective cohort study was performed on women with posterior vaginal wall prolapse with or without prolapse of other vaginal compartments who underwent surgery between 2014 and 2018 in a referral center for female pelvic floor disorders. A follow-up period of 12 months was considered. Patients subjected to the transvaginal technique by attachment of the rectovaginal fascia to the pericervical ring using vaginal native tissue were included. Among the 107 patients, the Pelvic Floor Distress Inventory-20 (PFDI-20) scores were 141.87 ± 34.48 and 100.87 ± 26.48 before and after surgery, respectively, showing the significant improvement of patient's symptoms after surgery in the 12-month follow-up. Comparing Pelvic Organ Prolapse Quantification (POP-Q) results before and after surgery, a significant improvement in patients' conditions was seen at the 12-month follow-up. Based on the results of the present study, the surgical procedure of the rectovaginal fascia attachment to the pericervical ring in posterior vaginal wall prolapse repair seems an effective surgical intervention without significant morbidity in the short-term follow-up.