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PubMed2003

Options for sphincter preservation in surgery for low rectal cancer.

BACKGROUND: Abdominoperineal excision of the rectum with a permanent end-sigmoid colostomy was the classical operation for cancer of the distal third of the rectum. A number of factors have recently led to a more conservative approach, allowing sphincter preservation when excising tumours that are not invading the anal sphincter. METHODS: The review is based on the published literature of the treatment of low rectal cancers accessed by searching Medline and other online databases. It includes a description of all the surgical options currently available for low rectal tumours, and a discussion of the advantages and disadvantages of the types of anastomosis and reconstruction. RESULTS AND CONCLUSION: It is now technically possible to remove rectal cancer that is extending into the anal canal with preservation of the anal sphincter mechanism and with a satisfactory oncological outcome. Ultra-low colorectal and coloanal anastomosis, together with a colonic pouch or coloplasty, produces acceptable function in many patients. However, there is still controversy about the risk of tumour implantation, the place of downsizing neoadjuvant therapy, and true long-term functional outcome. Despite these concerns, surgeons should strive to perform rectal resection with sphincter preservation for low-lying rectal cancer whenever possible.

Anal Canal↗
PubMed2006

Meta-analysis of observational studies of ileorectal versus ileal pouch-anal anastomosis for familial adenomatous polyposis.

BACKGROUND: Surgery for familial adenomatous polyposis (FAP) aims to minimize cancer risk while providing good functional outcome. Colectomy with ileorectal anastomosis and proctocolectomy with ileal pouch-anal anastomosis both offer this, but there is no clear consensus about which is better. METHODS: This is a meta-analysis of comparative studies published between 1991 and 2003 reporting early and late postoperative adverse events, functional outcomes and quality of life. RESULTS: Twelve studies containing 1002 patients (53.4 per cent ileal pouch, 46.6 per cent ileorectal anastomosis) were identified. Bowel frequency (weighted mean difference 1.62 (95 per cent confidence interval (c.i.) 1.05 to 2.20)), night defaecation (odds ratio (OR) 6.64 (95 per cent c.i. 2.99 to 14.74)) and use of incontinence pads (OR 2.72 (95 per cent c.i. 1.02 to 7.23)) were significantly less in the ileorectal group, although faecal urgency was reduced with the ileal pouch (odds ratio 0.43 (95 per cent c.i. 0.23 to 0.80)). Reoperation within 30 days was more common after ileal pouch construction (23.4 versus 11.6 per cent; OR 2.11 (95 per cent c.i. 1.21 to 3.70)). There was no significant difference between the techniques in terms of sexual dysfunction, dietary restriction, or postoperative complications. Rectal cancer was a diagnosis only in the ileorectal group (5.5 per cent). CONCLUSION: Ileal pouch and ileorectal anastomoses have individual merits. Further research is needed to determine which most benefits patients with FAP.

Adenomatous Polyposis Coli↗
PubMed2006

Decreased levels of mucosal detoxification enzymes in the pouch of patients with familial adenomatous polyposis.

BACKGROUND: Adenomas can develop in the pouch after colectomy with ileal pouch-anal anastomosis (IPAA) in patients with familial adenomatous polyposis (FAP). Glutathione S-transferases (GSTs) have a protective role in carcinogenesis. GST activity is much higher in the ileum than in the colon. The present study examined the hypothesis that the protective capacity of GSTs may be lowered as a result of colonic metaplasia of the ileal pouch. METHODS: Levels of GSTs, glutathione and cysteine, and the degree of inflammation and colonic metaplasia were quantified in biopsies from the pouch and afferent loop of 26 patients with FAP. RESULTS: GST enzyme activity, and levels of GST alpha, glutathione and cysteine in the pouch were significantly lower than those in the afferent loop (308 versus 398 nmol per min per mg protein (P<0.001), 4604 versus 5286 ng per mg protein (P=0.010), 27.1 versus 34.8 nmol per mg protein (P=0.023) and 0 versus 4.8 nmol per mg protein (P=0.009) respectively). No correlation was found between inflammation or colonic metaplasia of the pouch and GST enzyme activity in the pouch. CONCLUSION: After IPAA, GST detoxification activity in the pouch is significantly lower than that in the afferent ileal loop, which may promote tumorigenesis.

Adenomatous Polyposis Coli↗
PubMed2007

Results at up to 20 years after ileal pouch-anal anastomosis for chronic ulcerative colitis.

BACKGROUND: Ileal pouch-anal anastomosis (IPAA) is performed routinely for chronic ulcerative colitis. METHODS: Using data from a prospective database and annual standardized questionnaires, functional outcome, complications and quality of life (QoL) after IPAA were assessed. RESULTS: Some 1885 IPAA operations were performed for chronic ulcerative colitis over a 20-year period (mean follow-up 11 years). The mean age at the time of IPAA was 34.1 years, increasing from 31.2 years (1981-1985) to 36.3 years (1996-2000). The overall rate of pouch success at 5, 10, 15 and 20 years was 96.3, 93.3, 92.4 and 92.1 per cent respectively. Mean daytime stool frequency increased from 5.7 at 1 year to 6.4 at 20 years (P < 0.001), and also increased at night (from 1.5 to 2.0; P < 0.001). The incidence of frequent daytime faecal incontinence increased from 5 to 11 per cent during the day (P < 0.001) and from 12 to 21 per cent at night (P < 0.001). QoL remained unchanged and 92 per cent remained in the same employment. Seventy-six patients were eventually diagnosed with indeterminate colitis and 47 with Crohn's disease. CONCLUSION: IPAA is a reliable surgical procedure for patients requiring proctocolectomy for chronic ulcerative colitis and indeterminate colitis. The clinical and functional outcomes are excellent and stable for 20 years after operation.

Adolescent↗
PubMed2007

Long-term function and manovolumetric characteristics after ileal pouch-anal anastomosis for ulcerative colitis.

BACKGROUND: Long-term pouch function and physiological characteristics after ileal pouch-anal anastomosis (IPAA) are poorly described. The aim of this study was to undertake a prospective investigation of long-term pouch function and manovolumetric characteristics. METHODS: Forty-two patients with a median follow-up of 16 years after IPAA were included. Function was assessed using a questionnaire and a score was calculated ranging from 0 to 15 (15 being the worst). Manovolumetry was performed and pouchitis recorded. A paired analysis was conducted, as the results were compared with previous data for each patient. RESULTS: The median functional score was 3.5 (range 0-10) at 2 years and 5 (range 1-11) at 16 years (P = 0.013). Resting anal canal pressures were higher (P < 0.001) and squeeze pressures lower (P = 0.008) at long-term follow-up. Ileal pouch volumes at distension pressures of 10, 20 and 40 cm H(2)O were diminished at 16 years (P < 0.001, P = 0.005 and P = 0.058 respectively). The volume and pressure for first sensation and urge to defaecate were reduced. Increased age correlated positively with a poor functional score. A history of pouchitis did not affect functional or physiological characteristics. CONCLUSION: Ileal pouch function declines in the long term. The reasons are unclear, but the ageing process may have an impact.

Adult↗
PubMed2007

Changes in clinical characteristics, course, and prognosis of inflammatory bowel disease during the last 5 decades: a population-based study from Copenhagen, Denmark.

BACKGROUND: It remains uncertain whether the increasing incidence of inflammatory bowel disease (IBD) during the last decades has been accompanied by an alteration in the presentation, course, and prognosis of the disease. To answer this question, 3 consecutive population-based IBD cohorts from Copenhagen, Denmark (1962-2005), were assessed and evaluated. METHODS: Phenotype, initial disease course, use of medications, cumulative surgery rate, standardized incidence ratio of colorectal cancer (CRC), and standardized mortality ratio (SMR) were compared in the 3 cohorts, which had a total of 641 patients with Crohn's disease (CD) and 1575 patients with ulcerative colitis (UC). RESULTS: From 1962 to 2005, the proportion of IBD patients suffering from CD increased (P < 0.001), time from onset of symptoms to diagnosis of CD decreased (P = 0.001), and median age at diagnosis of UC increased (P < 0.01). The prevalence of upper gastrointestinal involvement and pure colonic CD varied significantly between cohorts. UC patients diagnosed in the 1990s had a higher prevalence of proctitis, received more medications, and had a milder initial disease course than did previous patients. The surgery rate decreased significantly in CD but not in UC. The risk of CRC in IBD was close to expected over the entire period, whereas the mortality of patients with CD increased (overall SMR, 1.31; 95% CI, 1.07-1.60). CONCLUSIONS: Despite variations in the presentation and initial course of IBD during the last 5 decades, its long-term prognosis remained fairly stable. Treatment of IBD changed recently, and future studies should address the effect of these changes on long-term prognosis.

Adolescent↗
PubMed2003

Personality traits predicting long-term adjustment after surgery for ulcerative colitis.

Very few studies have examined the relationship between personality traits and long-term postoperative psychosocial adjustment. In a sample of 46 patients, we examined the relation between personality traits before pelvic pouch surgery for ulcerative colitis and psychosocial adjustment seven years postoperatively, controlling for the effects of surgical functional outcome. The Karolinska Psychodynamic Profile (KAPP) was used for personality assessment. Surgical functional outcome scales and the Psychosocial Adjustment to Illness Scale were also used. As assessed by the KAPP, poor frustration tolerance, long-standing preoperative problems in sexual functioning, perfectionistic body ideals, and lack of alexithymia predicted poorer postoperative long-term psychosocial adjustment in the areas of health concerns, sexuality, family relations, and psychological distress. Surgical functional outcome itself was a poor predictor of long-term adjustment. The results indicate that it may be beneficial to take personality factors into account in preoperative assessment.

Adaptation, Psychological↗
PubMed1995

Squamous cell carcinoma complicating idiopathic inflammatory bowel disease.

Squamous cell carcinoma of the colon and rectum, originating proximal to the transitional zone, is a rare complication of idiopathic inflammatory bowel disease (IIBD). To date there are only 15 single case reports of such an occurrence. This carcinoma develops more commonly in females and in patients with pancolonic disease of more than 8 years' duration. The rectum is affected in two thirds of the cases. Squamous cell changes, in the vicinity of the primary adenocarcinoma, are present in 27% of cases. The carcinoma is in a pathologically advanced stage in one third of the cases. Colectomy is the main therapeutic modality. Survival following surgical resection ranged from 7 months to 21 years. We present an additional case of rectal squamous cell carcinoma (SCC) complicating chronic ulcerative colitis in a 33-year-old woman who had the disease for 15 years. Multiple biopsies of a gross lesion located 5 cm above the dendate line were consistent with invasive basaloid cell carcinoma. The patient received 5-FU, mitomycin C, and radiotherapy prior to a proctocolectomy and ileostomy. The only histopathologic finding at pathologic review of the surgical specimen was severe squamous dysplasia.

Adult↗
PubMedDate not supplied

Surgical options for familial adenomatous polyposis.

Familial adenomatous polyposis (FAP) is a genetic disorder transmitted in an autosomal dominant pattern. One-half of members of an affected family will carry the gene, and all carriers will succumb to colon cancer or extracolonic manifestations if not detected and treated early. When the diagnosis is made, surgery is indicated. Surgical options include total proctocolectomy with ileostomy, continent ileostomy, total colectomy with ileorectal anastomosis, and total proctocolectomy with ileal pouch anal anastomosis. Many diverse factors, such as extent of rectal disease, the presence and extend of carcinoma, sphincter function, and extracolonic disease, influence which surgical procedure is most appropriate for the individual patient with FAP. This article reviews the surgical options for treating FAP, with emphasis on specific indications, contraindications, and anticipated outcomes.

Adenomatous Polyposis Coli↗
PubMed1994

The stapled continent ileocecal urinary reservoir in the surgical management of gynecologic malignancy.

Total cystectomy at the time of radical pelvic surgery for gynecologic malignancies is not uncommon. Many techniques have been developed for urinary diversion including the continent ileocecal urinary reservoir. Twenty-nine patients underwent construction of a continent ileocecal urinary reservoir during the reconstructive phase of an exenterative procedure or for the relief of urinary tract fistula between 1990 and 1993. All procedures were performed using the mechanical stapling devices using metal staples. The right and proximal transverse colon were mobilized to a length of 24 cm. The ileum was divided 8 cm proximal to the ileocecal valve and plicated using the stapling technique. The colonic segment was opened on its antimesenteric border and the reservoir was created by stapling in a fashion to reapproximate the distal ends to each other. The ureters were stented and implanted without tunneling. A large Malecot drain was placed in all the pouches for irrigation of the colonic mucosa in the postoperative period. The ileal stoma was fixed to the anterior abdominal wall as was the anterior surface of the pouch. Operative time ranged from 50 to 150 min for the pouch construction. All patients underwent retrograde contrast study of the pouch 7-10 days postoperatively to verify lack of anastomatic leaks. After recovery, all patients successfully self-catheterized the pouch three to five times daily without difficulty. Of the 29 patients, 17 (59%) had received prior radiation as part of therapy. All patients remained continent at the end of observation. One developed a fistula to the perineum after intraoperative placement of 125I seeds on the pelvic wall. One patient developed pouch stones; endoscopic evaluation of this pouch revealed no evidence of stones at the staple lines and metabolic workup demonstrated hypocitremia as the etiology for the stones. Mean reservoir volume was 550 ml. Mean follow-up is 15.8 months; 5 have expired due to recurrent disease and 19 (83%) remain alive. Only two patients have been admitted for urosepsis due to reflux pyelonephritis. The stapled continent ileocecal reservoir offers benefits to patients undergoing total cystectomy. Using the mechanical stapling devices decreases the operative time and has not resulted in stone formation or pouch leakage. The complications of the procedure are acceptable.

Adult↗
PubMed1995

Use of ileocecal continent urinary reservoir in patients with previous pelvic irradiation.

OBJECTIVE: To assess the results of the use of ileocecal continent urinary reservoirs in patients with previous pelvic irradiation. METHODS: A retrospective analysis for morbidity and clinical outcome was undertaken for 37 female patients with prior therapeutic pelvic irradiation who underwent continent urinary diversion with a detubularized right colonic segment as the urinary reservoir, a plicated ileocecal valve as the continence mechanism, and a tapered distal ileum for efferent catheterization. RESULTS: Thirty-one patients had persistent or recurrent pelvic malignancies, 17 of whom had total pelvic exenteration and 14 had anterior exenteration. The remaining 6 patients had radiation-induced vesicovaginal fistulas without evidence of recurrence and underwent urinary diversion alone. Follow-up ranged from 2 to 33 months (median 11 months). Postoperative radiographic evaluation revealed no evidence of urinary extravasation. Of the 74 implanted ureters, 4 had reflux (5%), 2 developed stricture (3%), and 5 had mild to moderate hydronephrosis (7%). All patients achieved daytime continence with catheterization intervals of 3-8 hr (median 4 hr) and capacities of 200-1000 cc (median 500 cc). Nighttime continence was reported by 33 of 37 patients (89%). Reoperation was required in 3 patients (8%), 2 with stoma stenosis and 1 with difficulty in catheterization. CONCLUSIONS: The use of the ileocecal continent urinary reservoir in patients with previous pelvic irradiation achieves results comparable to those reported for nonirradiated patients, thus supporting its use in this select group of patients.

Female↗
PubMed1995

Nonsurgical management strategies for the functional complications of ileocolonic continent urinary reservoirs.

Urinary diversion with creation of a continent ileocolonic reservoir was performed in 25 patients with gynecological malignancies at our institution between September 1989 and September 1994. A retrospective review was conducted and cases were analyzed for functional complications associated with reservoir formation. Functional reservoir complications were defined as (1) difficulty with catheterization, (2) reservoir fistulae, (3) reservoir stones, and (4) ureteral stenosis. Management strategies and outcomes for these complications were determined. All patients had received prior pelvic radiation therapy. There was no surgical mortality. Median follow-up was 21 months, and 16 patients (64%) are currently alive. Fourteen of the patients (56%) had one or more complications attributable to a functional aspect of the continent reservoir. Two patients had difficulty with catheterization (8%), two patients had reservoir leak (8%), and one patient had reservoir stones (4%). Nonsurgical management strategies were used in these cases including balloon dilation of the ileocecal valve, stomal dilation, ureteral stenting, percutaneous nephrostomy, and endoscopic lithotripsy. All cases of catheterization problems, reservoir fistulae, and reservoir stones were resolved with nonoperative techniques. Thirteen of 50 ureters (26%) had some degree of stenosis. Percutaneous balloon dilation was utilized in nine cases of ureteral stenosis. Relief of stenosis was complete in five, partial in two, and not achieved in two of the cases. No patients required a reoperation for a reservoir complication. In conclusion, continent ileocolonic urinary diversion can be performed in patients previously treated with radiotherapy; however, functional reservoir problems may occur. Interventional radiology strategies are useful in managing many of these problems and reexploration can be successfully avoided.

Adult↗