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4/2013
vol. 8
 
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Review paper

Management of recurrent rectal prolapse

Tomasz Kościński
,
Jacek Hermann
,
Tomasz Banasiewicz

Prz Gastroenterol 2013; 8 (4): 243–246
Online publish date: 2013/09/12
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Introduction

Permanent anatomical correction of the structural defect and optimal functional result are the principal purposes of the surgical treatment of rectal prolapse [1, 2]. Although the rate of recurrence rises to 50% of patients, on the basis of the literature, there are limited data regarding the possible causal factors of relapse and the treatment options available [3–5]. Abdominal fixation of the rectum to the promontory and anterior resection of the rectum and sigmoid colon, or a combination of both, are the most efficient methods of primary treatment of the disease, though in low-risk patients [1]. In turn, perineal rectosigmoidectomy, mucosal sleeve resection, or anal encirclement is recommended in high-risk groups of patients. Surgical technique applied to primary surgery may influence the choice of redo operation [6]. Postoperative, persistent constipation in the form of obstructed defecation with excessive straining is one of the most important causes of recurrence. Anatomical defects such as deep pouch of Douglas, hypotonicity or atrophy of the anal sphincters, loose pelvic ligamentous structures attached to the rectum and dolichocolon are additional causal factors of relapse. Primary operations for rectal prolapse should be combined with correction of associated structural defects of the pelvic floor such as enterocele, pelvic floor descent as well as utero-vaginal prolapse [3, 4].

Aim

The aim of this study was to evaluate the results of redo operations performed for recurrent rectal prolapse.

Material and methods

Medical records of 16 patients who underwent redo surgery for recurrent rectal prolapse at the Department of General Surgery, Gastrointestinal Oncologic Surgery and Plastic Surgery in Poznań between 1998 and 2010 were retrospectively evaluated. There were 14 female and 2 male patients aged from 42 to 92. The mean age was 69 years. This study was entered by 11 patients operated on in the authors’ hospital whereas 7 patients underwent surgery in different county hospitals. What is more, 4 females have been operated on due to rectal prolapse twice before. A laparoscopic approach was not used in this study. Prolapse was associated in some patients with other diseases and structural defects of the pelvic floor appearing in varied configurations (Table I). Methods of the primary operation followed by relapse are specified in Table II. Recurrent prolapse also oc­curred in 5 patients after abdominal rectopexy with a mesh. That accounted for 10% of all patients in whom that method was used at the authors’ hospital. A non-absorbable polypropylene monofilament mesh was applied in 2 patients from that group whereas an absorbable polyglycolic acid mesh was used in others. Abdominal resection of the rectum and sigmoid colon was performed in 1 patient, whereas perineal rectosigmoidectomy was performed in 3 females. In turn, rectal wall plication according to Delorme was used in 2 pa­tients. Thiersch anal encirclement was implemented in

4 patients. Recurrence of rectal prolapse occurred between 1 and 60 months after the primary operation. The average period of time was 18 months. All the patients were diagnosed with digital rectal examination and rectoscopy before surgery. Oedema and thickening of the rectal mucosa were recognized in 12 patients whereas solitary rectal ulcer occurred in 1 female. Defecography was performed in 8 patients and it showed descending pelvic floor, utero-vaginal prolapse and enterocele in 3 of them. Anorectal manometry was undertaken in 6 pa­tients. All patients remained under surveillance at the out-patient department attached to the authors’ clinic.



Statistical analysis



Bowel signs such as faecal incontinence and dysfunction defecation before and after the operation were evaluated statistically with the Mann-Whitney test of significance to compare nonparametric data. The difference was accepted as non-significant at p > 0.05.

Results

Abdominal rectopexy with a non-absorbable po­ly­propylene monofilament mesh was the most common redo operation for recurrent rectal prolapse. That procedure was performed in 12 patients. The method was combined with resection of the redundant sigmoid colon in 2 of them due to persistent constipation with excessive straining, and with perineocolporectopexy together with recto-vaginal septum reconstruction due to descending pelvic floor and enterocele in 3 of the patients. In 6 patients abdominal rectopexy was performed due to failure of the perineal procedures. Subsequent relapses did not occur. Technical details of afo­rementioned operations were included in the authors’ previous publication [7].

Perineal procedures were implemented in a high-risk group of patients with the mean age of 80 years. They underwent perineal resection of the protruding rectum and sigmoid colon with colo-anal anastomosis. Three of the patients were operated on twice or three times for recurrent prolapse with the perineal approach. If a symptomatic sphincter defect presenting with faecal incontinence was demonstrated, an overlapping pro­cedure was considered (Table III).

There were no statistically significant differences between the patients before and after the operation regarding severe faecal incontinence and the rate of bo­wel movements (Table IV).

Surgical and general complications of redo operations for recurrent rectal prolapse are specified in Table V. Subsequent relapses of the disease occurred in 4 patients operated on with the perineal approach exclusively. That accounted for 50% of all patients undergoing a perineal procedure. The Altemeier operation was used in 3 of them while the Longo operation was used in 1 female.

Discussion

Pathogenesis of rectal prolapse is not well understood at this time. The role of excessive straining, leading to or associated with hypotonicity and atrophy of the muscular and fascial structures of the pelvic floor, and as a result perineal descent, obstructed defecation and constipation, is not entirely clear. Aforementioned factors should have been taken into account before making a decision regarding the appropriate operation method. The aim of that operation is to obtain permanent adhesions between the rectum and surrounding pelvic tissues resistant to excessive defecation straining.

Development of recurrent prolapse of the rectum is gradual in most cases. The mean period of time to recurrence ranges between 24 and 33 months with up to one third of cases occurring within the first 7 months after primary repair [4, 5].

It is widely accepted that pathophysiological factors regarding treatment of rectal prolapse are taken into account during abdominal methods of operation [3, 4, 8]. Relapses after abdominal procedures more likely result from technical faults such as the use of absor­bable mes­hes for repair [9, 10].

A group of 12 (75%) patients from the surveyed group of 16 patients required a single redo operation for recurrence of rectal prolapse.

Faecal incontinence improves after surgical repair of rectal prolapse, and this improvement may extend for up to 6 months. This allows the chronically dilated sphincter to regain its normal structure and function. Patients suffering from recurrent prolapse may develop damage to the pudendal nerves and the anal sphincter complex [11]. Therefore, successive manometric testing in patients with recurrent disease suggests that faecal incontinence may persist [4]. In turn, patients after primary surgery for rectal prolapse show improvement in bowel control in 50% to 70% of cases [1].

Operations with the perineal approach enable resection of the protruding bowel as well as anal sphincter repair. The risk of recurrence may rise if the muscular and fascial structures of the pelvic floor are not reinforced, if a deep pouch of Douglas is not obliterated, and due to decreased propensity to adhesions between the rectum and the pelvic tissues as well [12]. The ischaemic segment of a bowel should not be left intact in the operating field if another repair with a perineal approach is undertaken in a case of multiple recurrences [4–7]. The recurrence rate after operations with a perineal ap­proach according to the authors’ experience reached 50% of patients. For instance, Steele reported a 37.3% rate of relapse [5]. Therefore, an abdominal procedure should be considered until laparotomy is not contraindicated due to poor general condition of a patient.

Conclusions

Abdominal rectopexy is the treatment of choice for recurrent rectal prolapse. Rectopexy combined with correction of associated anatomical defects of the pelvic floor results in a better functional outcome. Redo operations with the perineal approach are burdened with a high rate of recurrence.

References

 1. Karulf RE, Madoff RD, Goldberg SM. Rectal prolapse. Curr Probl Surg 2001; 38: 771-832.

 2. Raftopoulos Y, Senagore AJ, Di Giuro G, Bergamaschi R; Rectal Prolapse Recurrence Study Group. Recurrence rates after abdominal surgery for complete rectal prolapse: a multicenter pooled analysis of 643 individual patient data. Dis Colon Rectum 2005; 48: 1200-6.

 3. Fengler SA, Pearl RK, Prasad ML, et al. Management of recurrent rectal prolapse. Dis Colon Rectum 1997; 40: 832-4.

 4. Hool GR, Hull TL, Fazio VW. Surgical treatment of recurrent complete rectal prolapse: a thirty-year experience. Dis Colon Rectum 1997; 40: 270-2.

 5. Steele SR, Goetz LH, Minami S, et al. Management of recurrent rectal prolapse: surgical approach influences outcome. Dis Colon Rectum 2006; 49: 440-5.

 6. Kościński T, Stadnik H. Surgical treatment of recurrent rectal prolapse-own experience. Polish J Surg 2006; 78: 757-65.

 7. Kościński T, Stadnik H. Surgical treatment of rectocoele as the most common cause of rectal voiding disturbances-own experience with the use of prosthetic material. Pol J Surg 2010; 82: 988-1000.

 8. Bianco V, Bhonanno GM, Picardo G, et al. Recurrent rectal prolapse. Second Joint Meeting of ECCP and EACP. Bologna 2005, Abstract Book-Tech Coloproctol P47, 92.

 9. Galili Y, Rabau M. Comparison of polyglycolic acid and poly­propylene mesh for rectopexy in the treatment of rectal prolapse. Eur J Surg 1997; 163: 445-8.

10. Kościński T, Meissner W, Stadnik H. Abdominal rectopexy with absorbable and non-absorbable materiale in the treatment of recital prolapse. Pol J Surg 2011; 83: 1233-40.

11. Duthie GS, Bartolo DC. Abdominal rectopexy for rectal prolapse: a comparison of techniques. Br J Surg 1992; 79: 107-13.

12. Brown AJ, Anderson JH, McKee RF, Finlay IG. Strategy for selection of type of operation for rectal prolapse based on clinical criteria. Dis Colon Rectum 2004; 47: 103-7.
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