A transanal procedure using an endoscopic linear stapler for obstructed defecation syndrome: the first Chinese experience

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

INTRODUCTION AND HYPOTHESIS

Several posterior compartment surgical approaches are used to address posterior vaginal wall prolapse and obstructed defecation. We aimed to compare outcomes for both conditions among different surgical approaches.

METHODS

A systematic review was performed comparing the impact of surgical interventions in the posterior compartment on prolapse and defecatory symptoms. MEDLINE, Embase, and ClinicalTrials.gov were searched from inception to 4 April 2018. Randomized controlled trials, prospective and retrospective comparative and single-group studies of women undergoing posterior vaginal compartment surgery for vaginal bulge or bowel symptoms were included. Studies had to include both anatomical and symptom outcomes both pre- and post-surgery.

RESULTS

Forty-six eligible studies reported on six surgery types. Prolapse and defecatory symptoms improved with native-tissue transvaginal rectocele repair, transanal rectocele repair, and stapled transanal rectocele repair (STARR) surgeries. Although prolapse was improved with sacrocolpoperineopexy, defecatory symptoms worsened. STARR caused high rates of fecal urgency postoperatively, but this symptom typically resolved with time. Site-specific posterior repairs improved prolapse stage and symptoms of obstructed defecation. Compared with the transanal route, native-tissue transvaginal repair resulted in greater improvement in anatomical outcomes, improved obstructed defecation symptoms, and lower chances of rectal injury, but higher rates of dyspareunia.

CONCLUSIONS

Surgery in the posterior vaginal compartment typically has a high rate of success for anatomical outcomes, obstructed defecation, and bulge symptoms, although these may not persist over time. Based on this evidence, to improve anatomical and symptomatic outcomes, a native-tissue transvaginal rectocele repair should be preferentially performed.

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.

Transanal surgery for obstructed defecation syndrome: Literature review and a single-center experience

Obstructed defecation syndrome (ODS) is a functional disorder commonly encountered by colorectal surgeons and gastroenterologists, and greatly affects the quality of life of patients from both societal and psychological aspects. The underlying anatomical and pathophysiological changes of ODS are complex. However, intra-rectal intussusception and rectocele are frequently found in patients with ODS and both are thought to play an important role in the pathogenesis of ODS. With the development of evaluation methods in anorectal physiology laboratories and radiology studies, a great variety of new operative procedures, especially transanal procedures, have been invented to treat ODS. However, no procedure has been proved to be superior to others at present. Each operation has its own merits and defects. Thus, choosing appropriate transanal surgical procedures for the treatment of ODS remains a challenge for all surgeons. This review provides an introduction of the current problems and options for treatment of ODS and a detailed summary of the essential assessments needed for patient evaluation before carrying out transanal surgery. Besides, an overview of the benefits and problems of current transanal surgical procedures for treatment of ODS is summarized in this review. A report of clinical experience of some transanal surgical techniques used in the authors’ center is also presented.

A transanal procedure using TST STARR Plus for the treatment of Obstructed Defecation Syndrome: 'A mid-term study'

PURPOSE

The aim of this study was to assess the safety, efficacy and outcomes of TST STARR (Stapled Transanal Rectal Resection) plus to treat Obstructed Defecation Syndrome (ODS) at mid-term follow-up.

METHODS

From April 2013 to September 2014, 50 cases (7 male patients) with ODS caused by rectocele and/or internal rectal prolapse were treated with the new TST STARR Plus. Clinical data from the 18 month mid-term follow up, including efficacy and constipations were recorded.

RESULTS

The average duration of surgery was 21 ± 4 min (range 12-35 min). The average postoperative hospital stay was 5 days (range 4-8 days). The pathological findings showed that the specimens contained full-thickness rectal tissue in all patients. The mean volume of resected specimen was 12.3 cm(3). Postoperative complications included five cases with transient faecal urgency that dissipated after 3 months; one patient suffered anastomotic bleeding on the sixth day after surgery, with successful haemostasis achieved through conservative therapy. The Wexner constipation score improved in patients affected by ODS from 13.96 ± 2.37 preoperatively to 7.00 ± 3.90, 7.28 ± 3.91, 8.10 ± 4.05 and 8.44 ± 4.08 at 3,6,12 and 18 months postoperatively, respectively, with all p < 0.05. Overall outcome was reported as ''excellent'' in 42% of patients, ''good'' in 36% of patients, ''adequate'' in 12% of patients, and ''poor'' in 10% of patients after 18 months of follow-up.

CONCLUSIONS

The TST STARR Plus is a simple, safe, and effective option for selected patients with ODS. Long-term prospective clinical studies are needed to validate the advantages of this emerging, novel procedure.

A modified total colonic exclusion for elderly patients with severe slow transit constipation

BACKGROUND

The aim of this study was to evaluate outcomes of total colonic exclusion with antiperistaltic ileorectal anastomosis (TCE-AIA) for elderly patients with slow transit constipation (STC).

METHODS

Elderly patients (defined as age >65) who underwent TCE-AIA for severe idiopathic STC between 2009 and 2012 at our institution were identified. Postoperative outcomes and routine follow-up were assessed using the Wexner constipation score (WCS), gastrointestinal quality of life index (GIQLI) and four-point postoperative satisfaction scales.

RESULTS

A total of 13 elderly patients were met the inclusion criteria. Five patients (38.5%) were male, and eight patients (61.5%) were female. The mean age of this population was 74 years (range 63-82 years). The mean operative time was 55 min (range 28-32), and blood loss was minimal. The mean postoperative hospital stay was 6.7 days (range 5-12 days). The mean time until the first postoperative bowel movement was 4 days (range 2-8 days). There was no procedure-related mortality and no major in-hospital complications. The median duration of follow-up was 12.4 months (range 6-29 months). None of the 13 patients had fecal incontinence or recurrence of constipation at the follow-up end point. However, eight patients underwent colonoscopy during follow-up, and four patients presented with diversion colitis. The patients' preoperative WCS was 22.8 ± 3.3, and it had significantly improved to 5.4 ± 2.1 on 6 months after operation (p < 0.05). The preoperative GIQLI of 93.6 ± 20.5 had significantly increased to 120.8 ± 13.0 on 6 months after surgery (p < 0.05). Patient satisfaction at 6 months was very high in 11 patients and high in two patients.

CONCLUSIONS

TCE-AIA is a relatively simple procedure. It might be an effective surgical intervention for the selected elderly patients with STC.