Stapled transanal rectal resection for obstructed defecation syndrome: one-year results of the European STARR Registry

Transanal minimally invasive (TAMIS) mucosal resection with muscular plication for patients with obstructed defecation syndrome-A prospective pilot study

BACKGROUND

Rectocele and intussusception are frequently observed during defecography as potential contributors to obstructed defecation syndrome (ODS). We aimed to describe our initial experience with transanal minimally invasive surgery (TAMIS) mucosectomy with muscular plication, as a novel surgical approach to treat patients with ODS.

METHODS

Conducted between August 2021 and October 2023 at the Medical University of Vienna, 11 patients (8 female) were prospectively enrolled and underwent TAMIS mucosectomy with circular mucosectomy and longitudinal muscular plication (internal Delorme's procedure). Functional outcome and quality of life were assessed by using standardized questionnaires pre- and postoperatively. The median follow up time was 16 months.

RESULTS

In defecography rectal intussusception could be observed in all patients and rectocele was found in nine patients (81.8%). The median age at the time of surgical procedure was 56 years (range 28-76 years). Neither intraoperative nor postoperative complications occurred. The median ODS score decreased from 16 to 11 points (p = 0.171), and four out of five patients (80%) with preexistent fecal incontinence reported improvement of their symptoms postoperatively (80%), though one patient had new onset of fecal incontinence symptoms. No significant changes could be demonstrated in terms of quality life by using the Short-Form Health Survey 12 (SF-12) survey.

CONCLUSIONS

Our initial results showed that TAMIS mucosectomy is a safe technique, offering a viable alternative transanal approach for treating symptomatic ODS. Future studies with a larger sample size and a longer follow-up period should enhance the robustness of our preliminary findings.

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

Comparative study of laparoscopic ventral mesh rectopexy versus perineal stapler resection for external full-thickness rectal prolapse in elderly patients: enhanced outcomes and reduced recurrence rates-a retrospective cohort study

BACKGROUND

In elderly patients with external full-thickness rectal prolapse (EFTRP), the exact differences in postoperative recurrence and functional outcomes between laparoscopic ventral mesh rectopexy (LVMR) and perineal stapler resection (PSR) have not yet been investigated.

METHODS

We conducted a retrospective multicenter study on 330 elderly patients divided into LVMR group (n = 250) and PSR (n = 80) from April 2012 to April 2019. Patients were evaluated before and after surgery by Wexner incontinence scale, Altomare constipation scale, and patient satisfaction questionnaire. The primary outcomes were incidence and risk factors for EFTRP recurrence. Secondary outcomes were postoperative incontinence, constipation, and patient satisfaction.

RESULTS

LVMR was associated with fewer postoperative complications (p < 0.001), lower prolapse recurrence (p < 0.001), lower Wexner incontinence score (p = 0.03), and lower Altomare's score (p = 0.047). Furthermore, LVMR demonstrated a significantly higher surgery-recurrence interval (p < 0.001), incontinence improvement (p = 0.019), and patient satisfaction (p < 0.001) than PSR. Three and 13 patients developed new symptoms in LVMR and PSR, respectively. The predictors for prolapse recurrence were LVMR (associated with 93% risk reduction of recurrence, OR 0.067, 95% CI 0.03-0.347, p = 0.001), symptom duration (prolonged duration was associated with an increased risk of recurrence, OR 1.131, 95% CI 1.036-1.236, p = 0.006), and length of prolapse (increased length was associated with a high recurrence risk (OR = 1.407, 95% CI = 1.197-1.655, p < 0.001).

CONCLUSIONS

LVMR is safe for EFTRP treatment in elderly patients with low recurrence, and improved postoperative functional outcomes.

TRIAL REGISTRATION

Clinical Trial.gov (NCT05915936), retrospectively registered on June 14, 2023.

Long time consequences after STARR procedure: Report of 15 years experience and medico-legal perspective

INTRODUCTION

Stapled transanal rectal resection is the most surgical procedure used for obstructed defecation syndrome, rectal prolapse, rectocele and rectal intussusception worldwide. The aim of this study is to report our experience and long time consequences and to offer a new medico-legal perspective.

MATERIALS AND METHODS

We retrospective review medical charts of patients treated between 2006 and 2021 ​b ​y the same team directed by the same senior surgeon. We consider major complications and long time sequelaeses as main object for the discussion. Inclusion and exclusion criteria were created. IRB approved the study. After revision a medico-legal perspective was done based on major complications.

RESULTS

During the study period 1726 patients, ages between 18 and 71 years old, were treated with 1280 STARR procedures and 446 "Longo" [was stopped on 2012]; all procedures were performed by the senior surgeon and visited by the team at the same control visit at 7days, 30 days and 12 and 18 months after surgery. All patients had 100 ​% compliance at 30 days, while 85 ​% had long time visit (more than 18 months). During the study period 6 ​% (104 subjects) of patients had minor complications while 1 patient (42 ​yrs female) reported total fecal incontinence after 18 months (0,05 ​%). This patient had mental disorder treated with drugs unknown before surgery and long time mental disorder after surgery. We focused on this last case to discuss long time complication DISCUSSION: This survey reports some interesting clinical data; respect to standard complications minor complications such as pain, bleeding and anal discomfort represent less than 10 ​% of procedures that is a good results in this perineal surgery. For those working with rectal mucosal prolapse, obstructed defecation syndrome, rectocele or rectal intussusception is essential to distinguish these diagnosis to have a good counselling with patient before surgery (at least 1 month before). It is essential to check these patients with a close follow-up especially after surgery, to avoid any other mental discomfort related to fecal incontinence; long time fecal incontinence, without anatomical disorders as our case, could be associated and related to drugs consumption or mental disorder, or perineal insensitivity due to surgical procedure. In conclusion it is essential to have good clinical practice to suggest STARR procedure, having idea about different diseases, different surgical approaches and different long time complications.

Tunneling of Mesh during Ventral Rectopexy: Technical Aspects and Long-Term Functional Results

Avoiding the extensive damage of pelvic structures during ventral rectopexy could minimize secondary disfunctions. The objective of our observational study is to assess the safety and functional efficacy of a modified ventral rectopexy. In the modified ventral rectopexy, a retroperitoneal tunnel was created along the right side of rectum, connecting two peritoneal mini-incisions at the Douglas pouch and sacral promontory. The proximal edge of a polypropylene mesh, sutured over the ventral rectum, was pulled up through the retroperitoneal tunnel and fixed to the sacral promontory. In all patients, radiopaque clips were placed on the mesh, making it radiographically "visible". Before surgery and at follow up visits, Altomare, Longo, CCSS, PAC-SYM, and CCFI scores were collected. From March 2010 to September 2021, 117 patients underwent VR. Modified ventral rectopexy was performed in 65 patients, while the standard ventral rectopexy was performed in 52 patients. The open approach was used in 97 cases (55 and 42 patients in modified and standard VR, respectively), while MI surgery was used in 20 cases (10 and 10 patients in modified and standard VR, respectively). A slightly shorter operative time and hospital stay were observed following modified ventral rectopexy (though this was not statistically significant). Similar overall complication rates were registered in the modified vs. standard ventral rectopexies (4.6% vs. 5.8%, p = 0.779). At follow-up, the Longo score (14.0 ± 8.6 vs. 11.0 ± 8.2, p = 0.042) and "delta" values of Altomare (9.2 ± 6.1 vs. 5.9 ± 6.3, p = 0.008) and CCSS (8.4 ± 6.3 vs. 6.1 ± 6.1, p = 0.037) scores were significantly improved in the modified ventral rectopexy group. A similar occurrence of symptoms recurrence was diagnosed in the two groups. Radiopaque clips helped to accurately diagnose mesh detachment/dislocation. The proposed modified VR seems to be feasible and safe. Marking the mesh intraoperatively seems useful.

Correlation Between Poor Defecation Habits and Postoperative Hemorrhoid Recurrence

Background

The relationship between hemorrhoid recurrence and poor defecation habits is poorly understood. This study aimed to analyze the effects of poor defecation habits on postoperative hemorrhoid recurrence.

Materials and Method

We performed a retrospective study on 1,162 consecutive patients who underwent a surgical procedure for hemorrhoids at the Sixth Affiliated Hospital of Sun Yat-Sen University from December 2016 to May 2020. All patients were followed for 12 months post-operatively. Patients were monitored for disease recurrence. Patient defecation habits were assessed using an obstructive defecation syndrome (ODS) score.

Results

Patients with a score of 0–4 had a mild defecation disorder, 5–8 a moderate defecation disorder, and 9 or more ODS. Of the 1,162 patients, 1,144 (98.45%) had a mild defecation disorder, 13 (1.12%) had a moderate defecation disorder, and 9 (0.43%) had ODS. Older patients were significantly more likely to have worse defecation habits (P < 0.001). A higher ODS score correlated with a higher maximum anal squeeze pressure (P = 0.07) and a more severe inability for the anus to relax during simulated evacuation (P = 0.002). The maximum rectum threshold was also found to be the highest in ODS patients (P = 0.010). The proportion of Procedure for prolapsing hemorrhoids (PPH) was the highest in the moderate defecation disorder group (53.85), followed by the ODS group (40.00) and the mild defecation disorder group (P = 0.023). Recurrence occurred in 5.51% of patients in the mild defecation disorder group, 38.46% of the moderate defecation disorder group, and 60% of the ODS group (P < 0.001). Multivariate analysis confirmed a higher ODS score (P < 0.001) was an independent predictor of recurrence. Furthermore, patients who occasionally exercised (P = 0.01) and patients who exercised regularly (P = 0.021) were less likely to have a recurrence.

Conclusion

Patients with unresolved defecation disorders are more likely to have their hemorrhoids recur and are unlikely to be satisfied with surgical management.

Stepped-wedge randomized controlled trial of laparoscopic ventral mesh rectopexy in adults with chronic constipation

Background

The effectiveness of laparoscopic ventral mesh rectopexy (LVMR) in patients with defecatory disorders secondary to internal rectal prolapse is poorly evidenced. A UK-based multicenter randomized controlled trial was designed to determine the clinical efficacy of LVMR compared to controls at medium-term follow-up.

Methods

The randomized controlled trial was conducted from March 1, 2015 TO January 31, 2019. A stepped-wedge RCT design permitted observer-masked data comparisons between patients awaiting LVMR (controls) with those who had undergone surgery. Adult participants with radiologically confirmed IRP refractory to conservative treatment were randomized to three arms with different delays before surgery. Efficacy outcome data were collected at equally stepped time points (12, 24, 36, 48, 60, and 72 weeks). Clinical efficacy of LVMR compared to controls was defined as ≥ 1.0-point reduction in Patient Assessment of Constipation-Quality of Life and/or Symptoms (PAC-QOL and/or PAC-SYM) scores at 24 weeks. Secondary outcome measures included 14-day diary data, the Generalized Anxiety Disorder scale (GAD-7), the Patient Health Questionnaire-9 (PHQ-9), St Marks incontinence score, the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire (PISQ-12), the chronic constipation Behavioral Response to Illness Questionnaire (CC-BRQ), and the Brief Illness Perception Questionnaire (BIPQ).

Results

Of a calculated sample size of 114, only 28 patients (100% female) were randomized from 6 institutions (due mainly to national pause on mesh-related surgery). Nine were assigned to the T0 arm, 10 to T12, and 9 to T24. There were no substantial differences in baseline characteristics between the three arms. Compared to baseline, significant reduction (improvement) in PAC-QOL and PAC-SYM scores were observed at 24 weeks post-surgery (– 1.09 [95% CI – 1.76, – 0.41], p = 0.0019, and – 0.92 [– 1.52, – 0.32], p = 0.0029, respectively) in the 19 patients available for analysis (9 were excluded for dropout [n = 2] or missing primary outcome [n = 7]). There was a clinically significant long-term reduction in PAC-QOL scores (− 1.38 [− 2.94, 0.19], p = 0.0840 at 72 weeks). Statistically significant improvements in PAC-SYM scores persisted to 72 weeks (− 1.51 [− 2.87, − 0.16], p = 0.0289). Compared to baseline, no differences were found in secondary outcomes, except for significant improvements at 24 and 48 weeks on CC-BRQ avoidance behavior (− 14.3 [95% CI − 23.3, − 5.4], and − 0.92 [− 1.52, − 0.32], respectively), CC-BRQ safety behavior (− 13.7 [95% CI − 20.5, − 7.0], and − 13.0 [− 19.8, − 6.1], respectively), and BIPQ negative perceptions (− 16.3 [95% CI − 23.5, − 9.0], and − 10.5 [− 17.9, − 3.2], respectively).

Conclusions

With the caveat of under-powering due to poor recruitment, the study presents the first randomized trial evidence of short-term benefit of LVMR for internal rectal prolapse.

Trial registration

ISRCTN Registry (ISRCTN11747152).

Supplementary Information

The online version contains supplementary material available at 10.1007/s10151-022-02633-w.

Stapled Transanal Rectal Resection (Starr) in the Treatment of Obstructed Defecation: A Systematic Review

Obstructed defecation syndrome (ODS) is a form of constipation that influences the quality of life in most patients and is an important health care issue. In 2004 Longo introduced a minimal invasive trans-anal approach known as Stapled Trans-Anal Rectal Resection (STARR) in order to correct mechanical disorders such as rectocele or rectal intussusception, two conditions present in more than 90% of patients with ODS. Considering the lack of a common view around ODS and STARR procedure. the aim of our study is to review the literature about preoperative assessment, operative features and outcomes of the STARR technique for the treatment of ODS. We performed a systematic search of literature, between January 2008 and December 2020 and 24 studies were included in this review. The total number of patients treated with STARR procedure was 4,464. In conclusion STARR surgical procedure has been proven to be safe and effective in treating symptoms of ODS and improving patients Quality of Life (QoL) and should be taken in consideration in the context of a holistic and multi modal approach to this complex condition. International guidelines are needed in order to optimize the diagnostic and therapeutic process and to improve outcomes.

Surgical management of the rectocele - An update

Rectocele is defined as a hernia of the rectum with protrusion of the anterior rectal wall through the posterior wall of the vagina. This condition occurs commonly, with an estimated prevalence of 30-50% of women over age 50. The symptomatology that leads to consultation is variable but consists predominantly of anorectal and/or gynecological complaints such as dyschezia, requiring digital disimpaction maneuvers, pelvic heaviness, anal incontinence, or dyspareunia. Rectocele may be isolated or associated with other disorders of pelvic stasis involving cystocele and uterine prolapse. Complementary exams (dynamic imaging and anorectal manometry) are essential before deciding on the surgical management of this condition. The indications for surgical management of rectocele are based on the intensity of symptoms and the resulting deterioration in quality of life, and surgery should be discussed after failure of medical treatment. Different approaches are possible, although there is currently no real consensus in the literature. The initial approach depends on the type of rectocele: if it involves the low or mid rectum or is isolated, an approach from below (transanal, transperineal, or transvaginal approach) can be proposed, while, in the presence of a high rectocele and/or associated with various disorders of pelvic stasis, transabdominal rectopexy is more suitable.

Mucopexy-Recto Anal Lifting (MuRAL) in managing obstructed defecation syndrome associated with prolapsed hemorrhoids and rectocele: preliminary results

Purpose

Treatment of rectocele associated with prolapsed hemorrhoids is a debated topic. Transanal stapling achieved good midterm results in patients with symptoms of obstructed defecation, nevertheless a number of severe complications have been reported. The aim of this study was to evaluate the safety and efficacy of a new endorectal manual technique in patients with obstructed defecation due to the combination of muco-hemorrhoidal prolapse and rectocele.

Methods

Patients enrolled after preoperative obstructed defecation syndrome (ODS) score, defecography and anoscopy were submitted to the novel Mucopexy-Recto Anal Lifting (MuRAL) combined with a modified Block procedure, and followed up by independent observers with digital exploration 3 weeks postoperatively, and digital exploration plus anoscopy at 3, 6, and 12 months. Operative time, hospital stay, numerating rating scale (NRS), ODS, satisfaction scores, and recurrence rate were recorded.

Results

Mean operative time was 35.7 minutes. Fifty-six patients completed 1-year follow-up: 7.1% had acute urinary retention, NRS score was < 3 from the third postoperative day, mean time of daily activity resumption was 12 days, none had persistent fecal urgency, 82% declared excellent/good satisfaction score, significant improvement of 6- and 12-month ODS score, no recurrence of rectocele, and 7.1% recurrence of prolapsed hemorrhoids were observed.

Conclusion

MuRAL associated with modified Block technique gave no severe complications and resulted in a safe and effective approach to symptomatic rectocele associated with muco-rectal prolapse. Further randomized studies, larger series, and longer follow-up are needed.

Post-operative clinical, manometric, and defecographic findings in patients undergoing unsuccessful STARR operation for obstructed defecation

AIM

To evaluate the reason for failure of STARR (stapled transanal rectal resection) operation for obstructed defecation.

METHODS

A retrospective study (June 2012-December 2017) was performed using a prospectively maintained database of patients who underwent STARR operation for ODS (obstructed defecation syndrome), complaining of persisting or de novo occurrence of pelvic floor dysfunctions. Postoperative St Mark's and ODS scores were evaluated. A VAS was used to score pelvic pain. Patients' satisfaction was estimated administering the CPGAS (clinical patient grading assessment scale) questionnaire. Objective evaluation was performed by dynamic proctography and anorectal manometry.

RESULTS

Ninety patients (83.3% females) operated for ODS using STARR technique were evaluated. Median ODS score was 19 while 20 patients (22%) reported de novo fecal urgency and 4 patients a worsening of their preoperative fecal incontinence. Dynamic proctography performed in 54/90 patients showed a significant (> 3.0 cm) rectocele in 19 patients, recto-rectal intussusception in 10 patients incomplete emptying in 24 patients. When compared with internal normal standards, anorectal manometry showed decreased rectal compliance and maximum tolerable volume in patients with urgency. Nine patients reported a persistent postoperative pelvic pain (median VAS score 6).

CONCLUSION

Failure of STARR to treat ODS, documented by persisting ODS symptoms, fecal urgency, or chronic pelvic pain, is often justified by the persistence or de novo onset of alteration of the anorectal anatomy at defecation. This occurs in about half of the patients, but in 40% of the cases who complained of incomplete emptying or incontinence, anatomical abnormalities were not recognized.

Stapled transanal rectal resection for the treatment of rectocele associated with obstructed defecation syndrome: a large series of 262 consecutive patients

BACKGROUND

This study aims to investigate functional results and recurrence rate after stapled transanal rectal resection (STARR) for rectocele associated with obstructive defection syndrome (ODS).

METHODS

A study was conducted on patients with ODS symptoms associated with symptomatic rectocele ≥ 3 cm on dynamic defecography who had STARR at our institution between 01/2007 and 12/2015. Data were prospectively collected and analyzed. ODS was evaluated using the Wexner constipation score. Primary outcomes were functional results, determined by the improvement in 6-month postoperative Wexner constipation score, and 1-year recurrence. Secondary outcomes were operative time, time to return to work, pain intensity measured using the visual analogue scale (VAS), patient satisfaction, and overall postoperative morbidity and mortality at 30 days.

RESULTS

Two-hundred-sixty-two consecutive female patients [median age 54 years (range 20-78)] were enrolled in the study. The median duration of follow-up was 79 months (range 30-138). Sixty (23%) patients experienced postoperative complications, but only 9 patients required reinterventions for surgical hemostasis (n = 7), fecal diversion for anastomotic leakage (n = 1), and recto-vaginal fistula repair (n = 1). Only 1 intraoperative complication (stapler misfire) was reported, and there were no deaths. There was a statistically significant (p < 0.001) reduction in the median (range) Wexner constipation score from 19 (14-24) preoperatively to 9 (5-15) 6 months postoperatively. Only 10 (4%) patients experienced recurrence and only 3 of them required additional reintervention. Patient satisfaction at 1 year was excellent in 86%, good in 13%, and poor in 1% of patients.

CONCLUSIONS

STARR is a safe, effective, and minimally invasive technique for the treatment of rectocele associated with ODS.

Prognostic and predictive value of interstitial cells of Cajal populations following stapled transanal rectal resection (STARR) in patients with obstructed defecation syndrome

Objective

The present study was designed to evaluate the functional outcome of stapled transanal rectal resection (STARR) and to examine the relationship between the population density of the interstitial cells of Cajal (ICC) and the efficacy of the STARR operation in the management of obstructed defecation syndrome (ODS) patients.

Methods

Full-thickness rectal samples were obtained from 50 ODS patients who underwent STARR. Samples were analysed using ICC immunohistochemistry. Clinical and functional parameters obtained with defecography and anorectal manometry were compared with 20 controls.

Results

ICCs were significantly decreased in patients in the submucosal (SM), intramuscular (IM) and myenteric (MY) regions when compared with the control group (P < 0.05). The mean pre-operative Cleveland Constipation Score (CCS) was 24.2 ± 4.1, whilst the CCS at 1, 2, 3, 4 and 5 years post-operatively decreased significantly (P < 0.05). At 3 post-operative years, 58.3% (28/48) of the patients reported a favorable outcome (CCS ≤ 10). On univariate analysis, the functional results were worse in those with pre-operative digitation (P = 0.017), a decreased ICC-MY cell population (P = 0.067), a higher resting anal canal pressure (P = 0.039) and a higher rectal sensory threshold (P = 0.073). Multivariate analysis showed the decreased ICC-MY cell population was an independent predictor for low unfavorable functional outcome (odds ratio = 0.097, 95% confidence interval: 0.012–0.766).

Conclusions

STARR achieved acceptable results at the cost of a slight deterioration over a more prolonged follow-up. Patients with a decreased ICC number in the rectal specimen showed an unfavorable functional outcome where pre-operative histological assessment of a full-thickness rectal sample might predict for the functional outcome following STARR.

A Modification of the Stapled TransAnal Rectal Resection (STARR) Procedure for Rectal Prolapse

PURPOSE

This study was designed to assess the safety, efficacy, and postoperative outcomes of the modified Stapled TransAnal Rectal Resection (modified STARR) in patients presenting with cases of limited external rectal prolapse.

METHODS

A prospective cohort of patients with mild rectal prolapse undergoing rectal resection with the Tissue-Selecting Technique Stapled TransAnal Rectal Resection Plus (TSTStarr Plus) stapler between February 2014 and September 2016 was reviewed retrospectively.

RESULTS

Twenty-five eligible patients underwent rectal resection with the TSTStarr Plus stapler. The median vertical height of the resected specimen was 5.0 cm (range = 3.1-10 cm) with all cases being confirmed histologically as full-thickness resections. Over a follow-up of 33.6 ± 9.4 months, only 1 case (4%) was encountered with recurrence. The mean postoperative Wexner score was significantly improved when compared with the preoperative scores (preoperative: median = 3, range = 0-20, vs postoperative: median = 2, range = 0-20, respectively; P = .010). The median preoperative Symptom Severity Score and Obstructed Defecation Score were both decreased compared with the postoperative scores ( P = .001).

CONCLUSIONS

Modified STARR in management of mild rectal prolapse appear to be a safe and effective technique. The initial results would encourage a more formal prospective assessment of this technique as part of a randomized trial for the management of mild rectal prolapse.

Clinical outcomes of stapled transanal rectal resection for obstructed defaecation syndrome at 10-year follow-up

AIM

The long-term efficacy of stapled transanal rectal resection (STARR) for surgical management of obstructed defaecation syndrome (ODS) has not been evaluated. Therefore, we investigated the long-term efficacy (> 10 years) of STARR for treatment of ODS related to rectocele or rectal intussusception and the factors that predict treatment outcome.

METHOD

This study was a retrospective cohort analysis conducted on prospectively collected data. Seventy-four consecutive patients who underwent STARR for ODS between January 2005 and December 2006 in two Italian hospitals were included.

RESULTS

Seventy-four patients [66 women; median age 61 (29-77) years] underwent STARR for ODS. No serious postoperative complications were recorded. Ten years postoperatively, 60 (81%) patients completed the expected follow-up. Twenty-three patients (38%) reported persistent perineal pain and 13 (22%) experienced the urge to defaecate. ODS symptoms recurred in 24 (40%) patients after 10 years. At the 10-year follow-up, 35% of patients were very satisfied and 28% would recommend STARR and undergo the same procedure again if necessary. In contrast, 21% of patients would not select STARR again. Previous uro-gynaecological or rectal surgery and high constipation scores were identified as risk factors for recurrence.

CONCLUSIONS

Stapled transanal rectal resection significantly improves the symptoms of ODS in the short term. In the long term STARR is less effective, however.

Stepped-wedge randomised trial of laparoscopic ventral mesh rectopexy in adults with chronic constipation: study protocol for a randomized controlled trial

Background

Laparoscopic ventral mesh rectopexy (LVMR) is an established treatment for external full-thickness rectal prolapse. However, its clinical efficacy in patients with internal prolapse is uncertain due to the lack of high-quality evidence.

Methods

An individual level, stepped-wedge randomised trial has been designed to allow observer-blinded data comparisons between patients awaiting LVMR with those who have undergone surgery. Adults with symptomatic internal rectal prolapse, unresponsive to prior conservative management, will be eligible to participate. They will be randomised to three arms with different delays before surgery (0, 12 and 24 weeks). Efficacy outcome data will be collected at equally stepped time points (12, 24, 36 and 48 weeks). The primary objective is to determine clinical efficacy of LVMR compared to controls with reduction in the Patient Assessment of Constipation Quality of Life (PAC-QOL) at 24 weeks serving as the primary outcome. Secondary objectives are to determine: (1) the clinical effectiveness of LVMR to 48 weeks to a maximum of 72 weeks; (2) pre-operative determinants of outcome; (3) relevant health economics for LVMR; (4) qualitative evaluation of patient and health professional experience of LVMR and (5) 30-day morbidity and mortality rates.

Discussion

An individual-level, stepped-wedge, randomised trial serves the purpose of providing an untreated comparison for the active treatment group, while at the same time allowing the waiting-listed participants an opportunity to obtain the intervention at a later date. In keeping with the basic ethical tenets of this design, the average waiting time for LVMR (12 weeks) will be shorter than that for routine services (24 weeks).

Trial registration

ISRCTN registry, ISRCTN11747152. Registered on 30 September 2015. The trial was prospectively registered (first patient enrolled on 21 March 2016).

Electronic supplementary material

The online version of this article (10.1186/s13063-018-2456-3) contains supplementary material, which is available to authorized users.

Does Ventral Rectopexy Improve Pelvic Floor Function in the Long Term?

BACKGROUND

Information is needed on long-term functional results, sequelas, and outcome predictors for laparoscopic ventral mesh rectopexy.

OBJECTIVE

The purpose of this study was to evaluate long-term function postventral rectopexy in patients with external rectal prolapse or internal rectal prolapse in a large cohort and to identify the possible effects of patient-related factors and operative technical details on patient-reported outcomes.

DESIGN

This was a retrospective review with a cross-sectional questionnaire study.

SETTINGS

Data were collated from prospectively collected registries in 2 university and 2 central hospitals in Finland.

PATIENTS

All 508 consecutive patients treated with ventral rectopexy for external rectal prolapse or symptomatic internal rectal prolapse in 2005 to 2013 were included.

INTERVENTIONS

A questionnaire concerning disease-related symptoms and effect on quality of life was used.

MAIN OUTCOME MEASURES

Defecatory function measured by the Wexner score, the obstructive defecation score, and subjective symptom and quality-of-life evaluation using the visual analog scale were included. The effects of patient-related factors and operative technical details were assessed using multivariate analysis.

RESULTS

The questionnaire response rate was 70.7% (330/467 living patients) with a median follow-up time of 44 months. The mean Wexner scores were 7.0 (SD = 6.1) and 6.9 (SD = 5.6), and the mean obstructive defecation scores were 9.7 (SD = 7.6) and 12.3 (SD = 8.0) for patients presenting with external rectal prolapse and internal rectal prolapse. Subjective symptom relief was experienced by 76% and reported more often by patients with external rectal prolapse than with internal rectal prolapse (86% vs 68%; p < 0.001). Complications occurred in 11.4% of patients, and the recurrence rate for rectal prolapse was 7.1%.

LIMITATIONS

This study was limited by its lack of preoperative functional data and suboptimal questionnaire response rate.

CONCLUSIONS

Ventral mesh rectopexy effectively treats posterior pelvic floor dysfunction with a low complication rate and an acceptable recurrence rate. Patients with external rectal prolapse benefit more from the operation than those with symptomatic internal rectal prolapse. See Video Abstract at http://links.lww.com/DCR/A479.

Treatment of obstructed defecation syndrome due to rectocele and rectal intussusception with a high volume stapler (TST STARR-plus)

BACKGROUND

In recent years, stapled transanal resection (STARR) has been adopted worldwide with convincing short-term results. However, due to the high recurrence rate and some major complications after STARR, there is still controversy about when the procedure is indicated. The aim of this study was to assess the safety, efficacy and feasibility of STARR performed with a new dedicated device for tailored transanal stapled surgery.

METHODS

All the consecutive patients affected by obstructed defecation syndrome (ODS) due to rectocele or/and rectal intussusception, who underwent STARR with the TST STARR-Plus stapler, were included in a prospective study. Pain, Cleveland Clinic Score for Constipation (CCCS) and incontinence, patient satisfaction, number of hemostatic stitches, operative time, hospital stay and perioperative complications were recorded. Postoperative complications and recurrence were also reported.

RESULTS

Forty-five consecutive patients (median age 50; range 24-79) were included in the study. Median resected volume was 15 cm3 (range 12-19 cm3) with a median height of surgical specimen of 5.6 cm (range 4.5-10 cm). The mean CCCS decreased from 17.26 (± 3.77) to 5.42 (± 2.78) postoperatively (p < 0.001). Patient satisfaction grade was excellent in 14 patients (31.1%), good in 25 (55.5%), sufficient in three (6.7%) and poor in three patients (6.7%). No major complications occurred. Five patients (11%) reported urgency after 30 days and two patients (4%) after 12 months. The Cleveland Clinic Incontinence score did not significantly change. At a median follow-up of 23 months (range 12-30 months), only three patients (6.7%) reported recurrent symptoms of obstructed defecation comparable to those reported at baseline.

CONCLUSIONS

TST STARR-Plus seems to be safe and effective for the treatment of ODS due to rectocele and rectal intussusception, and technical improvement could reduce the risk of some complications. However, careful patient selection is still the best means of preventing complications.

Post-surgical fecal incontinence

The primary endpoint of this work was to understand the pathophysiology of fecal incontinence manifested after rectal and anal surgery. A retrospective cohort study with negative colonoscopy patients was created and 169 postoperative incontinent patients were analyzed (114 women and 55 men: mean age 58.9 ± 6.3): clinical evaluation, endoanal ultrasound and anorectal manometry reports were scanned. The duration of incontinence was very long, with a mean of 21.7 months. The mean number of bowel movements/week was 18.2 ± 7.2. Urge incontinence was present in 82.2% of patients, mixed with passive incontinence in 44 patients. Patients' Fecal Incontinence Severity Index (FISI) score was 27.0 ± 6.6. Operated patients had significantly lower anal resting pressure (P < 0.01) than controls while patients with colo-anal anastomosis and those who underwent Delorme operation had lowest values (P < 0.01). Maximal tolerated volume and rectal compliance were significantly impaired in operated patients with rectum involvement (colo-anal anastomosis, Delorme, restorative procto-colectomy and STARR). External anal sphincter (EAS) defects were present in 33.1% of all patients and internal anal sphincter (IAS) was damaged in 44.3%: a combined lesion of anal sphincters was detected in 39 patients (23.0%). A positive correlation was found between patients' FISI score and thickness of both sphincters (EAS: ρ_{s =} 73; IAS: ρ_s = 81). Malfunctioning continence factors may induce fecal incontinence involving each time, in a different way, the volumetric capacity and/or the motility of the rectum, the perception of the fecal bolus and anal sphincter contraction.

Internal Delorme's Procedure for Treating ODS Associated With Impaired Anal Continence

OBJECTIVE

The aim of this study was to evaluate the medium-term outcomes of internal Delorme's procedure for treating obstructed defecation syndrome (ODS) patients with impaired anal continence.

PATIENTS AND METHODS

In a retrospective study, 41 ODS patients who underwent internal Delorme's procedure between 2011 and 2015 were divided into 3 subgroups according to their associated symptoms of impaired continence, as urgency, passive fecal incontinence and both, before study. Then the patients' preoperative statuses, perioperative complications, and postoperative outcomes were investigated and collected from standardized questionnaires, including Altomare ODS score, Fecal Incontinence Severity Index (FISI), Patient Assessment of Constipation-Quality of Life Questionnaire (PAC-QoL), and Fecal Incontinence Quality of Life Scale (FIQLS). All results with a 2-tailed P < .05 were considered statistically significant.

RESULTS

At an average 2.8 years of follow-up, there were significant improvements ( P < .01) in Altomare ODS score, FISI, PAC-QoL, and FIQLS in all patients when comparing scores from before the operation with those at the final follow-up. Similar results were also observed in both the urgency subgroup and passive fecal incontinence subgroup, but there were no statistically significant improvements ( P > .05) in Altomare ODS score, FISI, PAC-QoL, or FIQLS in the urgency and passive fecal incontinence subgroups. Anorectal manometry showed the mean value of anal resting pressure increased 20%. Additionally, no major complications occurred.

CONCLUSION

Internal Delorme's procedure is effective without major morbidity for treating ODS associated with urgency or passive fecal incontinence, but it may be less effective for treating ODS associated with both urgency and passive fecal incontinence.

Postoperative MR Defecography following Failed STARR Procedure for Obstructive Defecation Syndrome: A Three-Centre Experience

AIM

To describe the abnormalities at MR imaging and related complaints in patients with poor outcome after STARR procedure.

MATERIALS AND METHODS

The medical records of 21 symptomatic patients from centre 1, 31 patients from centre 2, and 63 patients from centre 3 were reviewed with regard to findings at MR defecography and related symptoms.

RESULTS

Regardless of the centre, most relevant imaging features and related complaints were (a) impaired emptying (82.11%), related complaint ODS; (b) persistent rectocele >2 cm and intussusception (39.3%), split evacuation and digitation; (c) pelvic organ descent on straining (39.8%), prolapse sensation; (d) small neorectum and loss of contrast (32.5%), urgency and incontinence; (e) anastomotic stricture and granuloma (28.4%), pain; and (f) nonrelaxing puborectalis muscle (19.5%), tenesmus. Less frequent findings included rectal pocket formation (5.6%) and rectovaginal sinus tract (1.6%). Patients were referred to MR imaging with an average time interval of 5 ± 2, 4 ± 1, and 2 ± 1 years in the three centres, respectively, and only rarely by the same surgeon who performed the operation: 1/21 (4.8%) in centre 1, 3/39 (7.7%) in centre 2, and 9/63 (14.3%) in centre 3.

CONCLUSION

Most surgeons involved in STARR operation with subsequent poor outcome do not rely on MR imaging.

Surgery for constipation: systematic review and practice recommendations: Results III: Rectal wall excisional procedures (Rectal Excision)

AIM

To assess the outcomes of rectal excisional procedures in adults with chronic constipation.

METHOD

Standardised methods and reporting of benefits and harms were used for all CapaCiTY reviews that closely adhered to PRISMA 2016 guidance. Main conclusions were presented as summary evidence statements with a summative Oxford Centre for Evidence-Based Medicine (2009) level.

RESULTS

Forty-seven studies were identified, providing data on outcomes in 8340 patients. Average length of procedures was 44 min and length of stay (LOS) was 3 days. There was inadequate evidence to determine variations in procedural duration or LOS by type of procedure. Overall morbidity rate was 16.9% (0-61%), with lower rates observed after Contour Transtar procedure (8.9%). No mortality was reported after any procedures in a total of 5896 patients. Although inconsistently reported, good or satisfactory outcome occurred in 73-80% of patients; a reduction of 53-91% in Longo scoring system for obstructive defecation syndrome (ODS) occurred in about 68-76% of patients. The most common long-term adverse outcome is faecal urgency, typically occurring in up to 10% of patients. Recurrent prolapse occurred in 4.3% of patients. Patients with at least 3 ODS symptoms together with a rectocoele with or without an intussusception, who have failed conservative management, may benefit from a rectal excisional procedure.

CONCLUSION

Rectal excisional procedures are safe with little major morbidity. It is not possible to advise which excisional technique is superior from the point of view of efficacy, peri-operative variables, or harms. Future study is required.

Value and limits of stapled transanal rectal repair for obstructed defecation syndrome: 10 years-experience with 450 cases

BACKGROUND/OBJECTIVE

In the late's 90' a new surgical treatment, the stapled trans-anal rectal resection (STARR) was born to treat obstructed defecation syndrome (ODS). In this study we retrospectively analyze a series of 450 cases that underwent STARR in 10 years.

METHODS

Between January 2001 to December 2011, 450 patients, diagnosed with ODS syndrome caused by rectocele or intussusception, underwent to STARR procedure. The presence of rectocele and/or intussusception was verified by dynamic defecography. The preoperative evaluation was completed with anorectal manometry and colonoscopy. Follow-up visits were scheduled 1 week, 1 month, 3 months, 1 years, 3 years and 5 years after surgery.

RESULTS

Mean operative time was 30,2 min. In 408 cases (90.7%) hospital discharge occurred 24 hours after surgery. Among postoperative complications urinary retention was observed in 35 patients (7.8%). Five (1.1%) patients presented an early rectal bleeding and 8 (1.8%) patients presented a late bleeding. In 5 (1.1%) patients a stable pelvic hematoma was found. Six (1.3%) patients presented pelvic sepsis due to subperitoneal perforation. An asymptomatic partial dehiscence of stapler row occurred in 19 patients (4.2%).125 patients (27.8%) reported defecation urgency that completely vanished at 3 months follow-up in 83 patients (66,4%) and in further 42 patients (33,6%) at 6-months. The average preoperative ODS score was 14.1; 3.1 at one year; 4.3 at 3 years and 6.4 after five years.

CONCLUSIONS

In expert hands, with right indications, STARR procedure is safe with good results in terms of improvement of the ODS score.

Laparoscopic ventral mesh rectopexy for obstructive defecation syndrome: still the way to go?

Laparoscopic ventral mesh rectopexy (VMR) has become a popular surgical technique for treating women with full-thickness rectal prolapse with a low recurrence rate, as demonstrated by several studies. In addition, it is increasingly applied to female patients with obstructive defecation syndrome (ODS) caused by intussusception ± rectocele. Functional improvement can be achieved in a high number of patients with ODS, but expectations need to be discussed carefully, as a few patients may not benefit at all. In particular, long-term data on functional outcome and complications following laparoscopic VMR for ODS are still lacking in the literature. Notably, laparoscopic VMR appears to be better than alternative operations for prolapse, intussusception, and rectocele in terms of efficacy, recurrence rates, and adverse effects, but there is a lack of evidence directly comparing techniques through randomized controlled trials; thus, its exact role stills needs to be defined in the future.

[Intraoperative pitfalls and complications in defecation disorders and rectal prolapse]

BACKGROUND

No generally accepted gold standard exists for the operative therapy of rectal prolapse in its variety of manifestations. Existing evidence suggests that an individualized choice of procedure provides the best result for each single patient. Knowledge of possible pitfalls and intraoperative management of complications in frequently applied procedures are important prerequisites for reliable treatment of affected patients.

MATERIAL AND METHODS

A consecutive series of 233 patients (June 2011-May 2016) with individualized choice of operative procedure in patients with rectal prolapse and rectocele based on an algorithm for a clinical treatment pathway and stapled hemorrhoidopexy were included. Intraoperative pitfalls and complications and their management (iPCM) were prospectively documented and analyzed.

RESULTS

The iPCM could be classified into three different categories: group I: iPCM was immediately noted and intraoperatively treated with no impact on the further clinical course (n = 20), group II: iPCM was successfully treated conservatively within a short time after the procedure (n = 9) and group III: iPCM required surgical revision (n = 5).

CONCLUSION

Individualized treatment of rectal prolapse and rectocele requires a broad spectrum of methods in specialized coloproctology units. A clinical treatment pathway facilitates the optimal choice of procedure. Overall the complication rates during surgical treatment of transanal rectal prolapse are low; however, available operative procedures hold specific risks and knowledge of these risks helps to avoid them. Once complications occur, measures demonstrated in this study lead to normal clinical courses in the majority of cases.

Postoperative MR Defecography following Failed STARR Procedure for Obstructive Defecation Syndrome: A Three-Centre Experience

Aim. To describe the abnormalities at MR imaging and related complaints in patients with poor outcome after STARR procedure. Materials and Methods. The medical records of 21 symptomatic patients from centre 1, 31 patients from centre 2, and 63 patients from centre 3 were reviewed with regard to findings at MR defecography and related symptoms. Results. Regardless of the centre, most relevant imaging features and related complaints were (a) impaired emptying (82.11%), related complaint ODS; (b) persistent rectocele >2 cm and intussusception (39.3%), split evacuation and digitation; (c) pelvic organ descent on straining (39.8%), prolapse sensation; (d) small neorectum and loss of contrast (32.5%), urgency and incontinence; (e) anastomotic stricture and granuloma (28.4%), pain; and (f) nonrelaxing puborectalis muscle (19.5%), tenesmus. Less frequent findings included rectal pocket formation (5.6%) and rectovaginal sinus tract (1.6%). Patients were referred to MR imaging with an average time interval of 5 ± 2, 4 ± 1, and 2 ± 1 years in the three centres, respectively, and only rarely by the same surgeon who performed the operation: 1/21 (4.8%) in centre 1, 3/39 (7.7%) in centre 2, and 9/63 (14.3%) in centre 3. Conclusion. Most surgeons involved in STARR operation with subsequent poor outcome do not rely on MR imaging.

Functional Disorders of Constipation: Paradoxical Puborectalis Contraction and Increased Perineal Descent

Paradoxical puborectalis contraction (PPC) and increased perineal descent (IPD) are subclasses of obstructive defecation. Often these conditions coexist, which can make the evaluation, workup, and treatment difficult. After a thorough history and examination, workup begins with utilization of proven diagnostic modalities such as cinedefecography and anal manometry. Advancements in technology have increased the surgeon's diagnostic armamentarium. Biofeedback and pelvic floor therapy have proven efficacy for both conditions as first-line treatment. In circumstances where PPC is refractory to biofeedback therapy, botulinum toxin injection is recommended. Historically, pelvic floor repair has been met with suboptimal results. In IPD, surgical therapy now is directed toward the potentially attendant abnormalities such as rectoanal intussusception and rectal prolapse. When these associated abnormalities are not present, an ostomy should be considered in patients with IPD as well as medically refractory PPC.

Functional Disorders: Rectoanal Intussusception

Rectoanal intussusception is an invagination of the rectal wall into the lumen of the rectum. Patients may present with constipation, incomplete evacuation, incontinence, or may be asymptomatic. Defecography has been the gold standard for detection. Magnetic resonance imaging defecography and dynamic anal endosonography are alternatives to conventional defecography. However, both methods are not as sensitive as conventional defecography. Treatment options range from conservative/medical treatment such as biofeedback to surgical procedures such as Delorme, rectopexy, and stapled transanal rectal resection. Recent studies conducted after a trial of failed nonoperative management show adequate results with operations performed for rectal intussusception with or without rectocele if other causes of constipation are not present.

Major Pelvic Bleeding Following a Stapled Transanal Rectal Resection: Use of Laparoscopy as a Diagnostic Tool

Stapled transanal rectal resection (STARR) and stapled hemorrhoidopexy (SH) are well-established techniques for treating rectal prolapse and obstructed defecation syndrome (ODS). Occasionally, they can be associated with severe complications. We describe the case of a 59-year-old woman who underwent STARR for ODS and developed a postoperative pelvic hemorrhage. A computed tomography (CT) scan revealed a vast pelvic, retroperitoneal hematoma and free gas in the abdomen. Laparoscopy ruled out any bowel lesions, but identified a hematoma of the pelvis. Flexible sigmoidoscopy showed a small leakage of the rectal suture. The patient was treated conservatively and recovered completely. Surgeons performing STARR and SH must be aware of the risk of this rare, but severe, complication. If the patient is not progressing after a STARR or SH, a CT scan can be indicated to rule out intra-abdominal and pelvic hemorrhage. Laparoscopy is a diagnostic tool and should be associated with intraluminal exploration with flexible sigmoidoscopy.

Internal rectal prolapse: Definition, assessment and management in 2016

Internal rectal prolapse (IRP) is a well-recognized pelvic floor disorder mainly seen during defecatory straining. The symptomatic expression of IRP is complex, encompassing fecal continence (56%) and/or evacuation disorders (85%). IRP cannot be characterized easily by clinical examination alone and the emergence of dynamic defecography (especially MRI) has allowed a better comprehension of its pathophysiology and led to the proposition of a severity score (Oxford score) that can guide management. Decision for surgical management should be multidisciplinary, discussed after a complete work-up, and only after medical treatment has failed. Information should be provided to the patient, outlining the goals of treatment, the potential complications and results. Stapled trans-anal rectal resection (STARR) has been considered as the gold standard for IRP treatment. However, inconsistent results (failure observed in up to 20% of cases, and fecal incontinence occurring in up to 25% of patients at one year) have led to a decrease in its indications. Laparoscopic ventral mesh rectopexy has substantial advantages in solving the functional problems due to IRP (efficacy on evacuation and resolution of continence symptoms in 65-92%, and 73-97% of patients, respectively) and is currently considered as the gold standard therapy for IRP once the decision to operate has been made.

Evaluating the Surgeons’ Perception of Difficulties of Two Techniques to Perform STARR for Obstructed Defecation Syndrome

Background. After initial enthusiasm in the use of a dedicated curved stapler (CCS-30 Contour Transtar) to perform stapled transanal rectal resection (STARR) for obstructed defecation syndrome (ODS), difficulties have emerged in this surgical technique. Objective. First, to compare surgeons’ perception of difficulties of STARR performed with only Transtar versus STARR performed with the combined use of linear staplers and Transtar to cure ODS associated with large internal prolapse and rectocele; second, to compare the postoperative incidence of the urge to defecate between the 2 STARR procedures. Design and Setting. An Italian multicenter randomized trial involving 25 centers of colorectal surgery. Patients. Patients with obstructed defecation syndrome and rectocele or rectal intussusception, treated between January and December 2012. Interventions. Participants were randomly assigned to undergo STARR with a curved alone stapler (CAS group) or with the combined use of linear and curved staplers (LCS group). Main Outcome Measures. Primary end-points were the evaluation of surgeons’ perception of difficulties score and the incidence of the “urge to defecate” at 3-month follow up. Secondary end-points included duration of hospital stay, rates of early and late complications, incidence of “urge to defecate” at 6 and 12 months, success of the procedures at 12 months of follow-up. Results. Of 771 patients evaluated, 270 patients (35%) satisfied the criteria. Follow-up data were available for 254 patients: 128 patients (114 women) in the CAS group (mean age, 52.1; range, 39-70 years) and 126 (116 women) in LCS group (mean age, 50.7 years; range, 41-75 years). The mean surgeons’ perception score, was 15.36 (SD, 3.93) in the CAS group and 12.26 (SD, 4.22) in the LCS group ( P < .0001; 2-sample t test). At 3-month follow-up, urge to defecate was observed in 18 (14.6%) CAS group patients and in 13 (10.7%) LCS group patients ( P = .34; Fisher’s exact test). These values drastically decrease at 6 months until no urge to defecate in all patients at 12 months was observed. At 12-month follow-up, a successful outcome was achieved in 100 (78.1%) CAS group patients and in 105 (83.3%) LCS group patients ( P = .34; Fisher’s exact test). No significant differences between groups were observed in the hospital stay and rates of early or late complications occurring after STARR. Conclusions. STARR with Transtar associated with prior decomposition of prolapse, using linear staplers, seems to be less difficult than that without decomposition. Both procedures appear to be safe and effective in the treatment of obstructed defecation syndrome resulting in similar success rates and complications.

Defecating Disorders: A Common Cause of Constipation in Women

Defecating disorders are a common and complex problem. There are a range of anatomical and functional bowel abnormalities that can lead to this condition. Treatment is difficult and needs a multidisciplinary approach. First line treatment for defecating disorders is conservative. For those that fail conservative treatment, some may respond to surgical therapy but with variable results. The aim of this review is to offer an overview of defecating disorders as well as provide an algorithm on how to diagnose and treat them with the help of a multidisciplinary and multimodal approach.

Management of obstructed defecation

The management of obstructed defecation syndrome (ODS) is mainly conservative and mainly consists of fiber diet, bulking laxatives, rectal irrigation or hydrocolontherapy, biofeedback, transanal electrostimulation, yoga and psychotherapy. According to our experience, nearly 20% of the patients need surgical treatment. If we consider ODS an “iceberg syndrome”, with “emerging rocks”, rectocele and rectal internal mucosal prolapse, that may benefit from surgery, at least two out of ten patients also has “underwater rocks” or occult disorders, such as anismus, rectal hyposensation and anxiety/depression, which mostly require conservative treatment. Rectal prolapse excision or obliterative suture, rectocele and/or enterocele repair, retrograde Malone’s enema and partial myotomy of the puborectalis muscle are effective in selected cases. Laparoscopic ventral sacral colporectopexy may be an effective surgical option. Stapled transanal rectal resection may lead to severe complications. The Transtar procedure seems to be safer, when dealing with recto-rectal intussusception. A multidisciplinary approach to ODS provides the best results.

Apex technique in the treatment of obstructed defecation syndrome associated with rectal intussusception and full rectal mucosa prolapse

BACKGROUND

The aim of the current study was to demonstrate the use of a modified stapling technique, called the apex technique, to treat rectal intussusception and full rectal mucosal prolapse. It was conducted as a retrospective study at 3 centers (2 in Brazil and 1 in Chile).

TECHNIQUE

The apex technique is performed by using a HEM/EEA-33 stapler. A pursestring suture is placed at the apex of the prolapse, on the 4 quadrants, independent of the distance to the dentate line. A second pursestring is then placed to define the band of rectal mucosa to be symmetrically resected.

MAIN OUTCOME MEASURES

Outcome measures included width of the resected full-thickness rectal wall; the intensity of postoperative pain on a visual analog scale from 1 to 10; full mucosal prolapse and rectal intussusception assessed by physical examination, cinedefecography, or echodefecography; and change in the constipation scale.

RESULTS

Forty-five patients (30 women/15 men; mean age, 59.5 years) with rectal intussusception and full mucosal prolapse were included. The median operative time was 17 (range, 15-30) minutes. Bleeding after stapler fire requiring manual suture occurred in 3 patients (6.7%); 25 (55.6%) patients reported having no postoperative pain. Hospital stay was 24 hours. The mean width of the resected rectal wall was 5.9 (range, 5.0-7.5) cm. Stricture at the staple line was seen in 4 patients, of whom 1 required dilation under anesthesia. The median follow-up time was 120 (range, 90-120) days. A small residual prolapse was identified in 6 (13.3%) patients. Imaging demonstrated complete disappearance of rectal intussusception in all patients, and the mean postoperative constipation score decreased from 13 (range, 8-15) to 5 (range, 3-7).

CONCLUSIONS

The apex technique appears to be a safe, quickly performed, and low-cost method for the treatment of rectal intussusception. In this series, imaging examinations showed the disappearance of rectal intussusception, and a significant decrease in constipation score suggested improvement in functional outcomes.

Correlation between outcome and instrumental findings after stapled transanal rectal resection for obstructed defecation syndrome

OBJECTIVE

Several studies show that stapled transanal rectal resection (STARR) significantly improves constipation in most patients, while others remain symptomatic for obstructed defecation syndrome (ODS). The aim of the study was to analyze clinical, manometric, and endoanal ultrasonography results in order to find any possible correlation between clinical and instrumental data, particularly in dissatisfied patients, both for those who remain symptomatic for ODS and for patients with new-onset fecal disorders.

PATIENTS AND METHODS

All patients underwent a preoperative and postoperative assessment based on clinical evaluation, proctoscopy, defecography, anorectal manometry, and endoanal ultrasonography. Furthermore, we asked patients about a subjective satisfaction grading of outcome.

RESULTS

From January 2007 to December 2009, 103 patients were treated in our department with STARR for ODS. Postoperative endoanal ultrasound did not demonstrate any variations compared with the preoperative one. Postoperative scores showed statistically significant improvement, with respect to the preoperative value, with good and sufficient scores in 79.6% of patients, and an overall rate of satisfaction of 87.1%. Fecal disorders, including also the slightest alteration of continence, occurred in 24% of patients, in particular soiling 1.8%, urgency 7.4%, occasional gas leakage 5.5%, and liquid/solid leakage 9.3%. Anorectal manometry revealed a statistically significant reduction only in sensitivity threshold and maximum tolerated volume compared to patients with no disorders of continence.

CONCLUSION

Results indicate good satisfaction grading and a statistically significant improvement in scores of constipation. There is no close correlation between satisfaction grading and scores. Besides, the assessment of patient's satisfaction often does not match the objective functional outcome.

Laparoscopic ventral rectopexy for the treatment of outlet obstruction associated with recto-anal intussusception and rectocele: a valid alternative to STARR procedure in patients with anal sphincter weakness

OBJECTIVE

This study was designed to assess the safety and outcomes achieved with Stapled Trans-Anal Rectal Resection (STARR) vs laparoscopic ventral rectopexy (LVR) in obstructed defecation patients.

METHOD

From 2002 to 2011, 52 patients (females) had a rectocele with outlet obstruction. After clinical assessment by an Obstructed Defecation Syndrome score (ODS), an anorectal manometry, a defecography and an endoanal ultrasound, the patients underwent either a STARR (n=25) or a LVR (n=27) according to the existence of an asymptomatic anal sphincter injury. Functional results were evaluated clinically and by the preoperative and 18 months postoperative ODS score and by an 18 months postoperative score of satisfaction.

RESULTS

Average ages were 56 ± 10 years in the STARR and 60 ± 9 years in LVR. The 1-month postoperative complication rates were comparable for the 2 groups (25%). Mean length of stay was shorter for STARR than for LVR (5.6 ± 2.1 vs. 7.1 ± 2.9, P=0.009). After treatment, the ODS was lowered by 56% in LVR and 59% in the STARR (P=0.0001) but with no difference between the 2 groups. Eighty percent of patients were very or moderately satisfied after LVR, versus 84% after STARR.

CONCLUSIONS

The 2 surgical procedures obtain good results with 80% of satisfied patients with a length of stay a little shorter in the STARR.

BRIEF SUMMARY

In our retrospective study, Stapled Trans-Anal Rectal Resection (STARR) and laparoscopic ventral rectopexy improved the outlet obstruction associated with recto-anal intussusception and rectocele.

Iatrogenic rectovaginal fistula repair by trans-perineal approach and pubo-coccygeus muscle interposition

INTRODUCTION

Rectovaginal fistula (RVF) is a rare but debilitating complication of a variety of pelvic surgical procedures.

PRESENTATION OF CASE

We report the case of a 45-year-old female who underwent the STARR (Stapled Trans Anal Rectal Resection) procedure, that was complicated by a 30mm rectovaginal fistula (RVF). We successfully repaired the fistula by trans-perineal approach and pubo-coccygeus muscle interposition. Seven months later we can confirm the complete fistula healing and good patient's quality of life. We carefully describe our technique showing the advantages over alternative suturing, flap reconstruction or resection procedures.

DISCUSSION

This technique is fairly easy to perform and conservative. The pubo-coccygeus muscle is quickly recognizable during the dissection of the recto-vaginal space and the tension-free approximation of this muscle by single sutures represents an easy way of replacement of the recto-vaginal septum.

CONCLUSION

In our experience the use of pubo-coccygeus muscle interposition is an effective technique for rectovaginal space reconstruction and it should be considered as a viable solution for RVF repair.

Posterior pelvic floor disorders and obstructed defecation syndrome: clinical and therapeutic approach

There are no clear recommended imaging guidelines for the assessment of patients presenting primarily with obstructed defecation syndrome and defecation difficulty. The gold standard has always been the defecating proctogram which may require a rather poorly tolerated extended technique involving high-radiation exposure in young women which includes cystography, vaginography, small bowel opacification, and occasional peritoneography. The development of dynamic magnetic resonance imaging has obviated many of these extended techniques and may be supplemented by novel ultrasonographic methods including dynamic transperineal sonography, real-time 3D translabial ultrasound and 3D dynamic echodefecography. Patients potentially suitable for surgical treatment display a multiplicity of pelvic floor and perineal soft-tissue anomalies where one pathology (such as rectocele or enterocele) are considered dominant. Despite the introduction of recent stapled and robotic technologies, there is a dual dialog concerning the functional outcome of these procedures. Imaging and surgical algorithms for these patients are provided.

Open versus laparoscopic abdominal rectopexy: an examination of early postoperative outcomes

BACKGROUND

Abdominal rectopexy is used to treat full thickness rectal prolapse and obstructed defecation syndrome, with good outcomes. Use of a laparoscopic approach may reduce morbidity. The current study assessed short-term operative outcomes for patients undergoing laparoscopic or open rectopexy.

METHODS

Rectopexy cases were identified from theater logs in two tertiary referral centers. Patient demographics, intra-operative details and early postoperative outcomes were examined.

RESULTS

There were 62 patients included over 10 years, a third of whom underwent laparoscopic rectopexy. Laparoscopy was associated with a longer operative time (195.9 versus 129.6 min, p = 0.003), but this did not affect postoperative outcomes, with no significant differences found for complication rates and length of stay between the two groups. Univariable analysis found no influence of laparoscopic approach on the likelihood of postoperative complications, and no factor achieved significance with multivariable analysis. This study included the first laparoscopic cases performed in the involved institutions, and a "learning curve" existed as seen with a decreasing operative duration per case over time (p = 0.002).

CONCLUSIONS

Laparoscopic rectopexy has similar short-term outcomes to open rectopexy.

Tailored prolapse surgery for the treatment of haemorrhoids and obstructed defecation syndrome with a new dedicated device: TST STARR Plus

OBJECTIVE

The aim of the study was to assess the safety, efficacy and feasibility of stapled transanal procedures performed by a new dedicated device, TST STARR Plus, for tailored transanal stapled surgery.

METHODS

All the consecutive patients admitted to eight referral centres affected by prolapses with III-IV degrees haemorrhoids or obstructed defecation syndrome (ODS) with rectocele and/or rectal intussusception that underwent stapled transanal resection with TST STARR plus were included in the present study. Haemostatic stitches for bleeding of the suture line, specimen volume, operative time, hospital stay and perioperative complications were recorded.

RESULTS

From 1 November 2012 to 31 March 2013, 160 consecutive patients (96 females) were enrolled in the study. In 94 patients, the prolapse was over the half of the circular anal dilator (CAD). The mean duration of the procedure was 25 min. The mean resected volume of the specimen was 13.3 cm(3), the mean hospital stay was 2.2 days. In 88 patients (55%), additional stitches on the suture line were needed (mean 2.1). Suture line dehiscence was reported in four cases, with intraoperative reinforcement. Bleeding was reported in seven patients (5%). Urgency after 30 days was reported in one patient. No major complication occurred.

CONCLUSIONS

The new device seems to be safe and effective for a tailored approach to anorectal prolapse due to haemorrhoids or obstructed defecation.

Does the removal of retained staples really improve postoperative chronic sequelae after transanal stapled operations?

BACKGROUND

Transanal stapled procedures are increasingly being used. Several postoperative complications can be referred to their application, including those related to the presence of retained staples at the level of the staple line.

OBJECTIVE

This study was conducted to assess whether the removal of the retained staples is a useful approach to improve some of the most common postoperative complications of these surgical techniques.

DESIGN

This is a retrospective study.

SETTINGS

The study was conducted at the One-Day Surgery Unit of St. Andrea Hospital.

PATIENTS

All of the patients who underwent a stapled transanal procedure from January 2003 to December 2011 were included in the study. Patients included in the study were followed postoperatively for 1 year after surgery to identify the presence of retained staples.

INTERVENTIONS

If identified, the retained staples were removed endoscopically or transanally.

MAIN OUTCOME MEASURES

After the staple removal, patients were followed with biweekly office visit for 2 months to evaluate the progression of symptoms.

RESULTS

From the 566 patients included in the study, 165 experienced postoperative complications, and in 66 of these cases, retained staples were found and removed. With the removal of retained staples, symptoms were almost all resolved or improved. In only 1 case did the retained staples removal not modify the symptoms.

LIMITATIONS

The study design may have introduced potential selection bias. In addition, the study was limited by the lack of a specific questionnaire for the evaluation of symptoms improvement.

CONCLUSIONS

The removal of the retained staples is an efficacious and safe procedure to solve or improve postoperative complications and should be always considered.

STARR with CONTOUR® TRANSTAR™ device for obstructed defecation syndrome: one-year real-world outcomes of the European TRANSTAR registry

PURPOSE

Stapled transanal rectal resection (STARR) in patients with obstructive defecation syndrome (ODS) is limited by the capacity of the circular stapler used. This prospective cohort study was conducted to assess real-world clinical outcomes of STARR with the new CONTOUR® TRANSTAR™ device, shortly named TRANSTAR, at 12 months postoperatively.

METHODS

From January 2009 to January 2011, consecutive patients who underwent TRANSTAR in 22 European colorectal centers were enrolled in the study. Functional outcomes and quality of life were assessed by the changes in a number of scoring systems (Knowles-Eccersley-Scott-Symptom (KESS) score, ODS score, St. Mark's score, Euro Quality of Life-5 Dimension (EQ-5D) score, and Patient Assessment of Constipation-Quality of Life (PAC-QoL) score), at 12 months as compared to baseline. All complications were recorded and analyzed.

RESULTS

A total of 100 patients (98% female), mean age 60 years, were entered in the study. Statistically significant improvements were seen in the KESS (median 18 vs. 6; p < 0.01), ODS (median 15 vs. 4; p < 0.01), and PAC-Qol scores (median 2.10 vs. 0.86; p < 0.01). St. Mark's and EQ-5D scores improved nonsignificantly. Complications were reported in 11 % of patients, including bleeding (5%), staple line complications (3%), urinary retention (2%), and persistent pain (1%). No major complications or mortality occurred.

CONCLUSION

TRANSTAR facilitated a tailored, real circumferential full-thickness rectal resection, leading to improved patient functional and quality of life outcomes at 12 months postoperatively. It represents a safe and effective treatment for ODS in local clinical practice, although the sustainability of real-world results needs to be proven in the long-term follow-up.