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PubMed1998

[Typical complications and their control after restorative proctocolectomy].

The overall rate of complications after ileal pouch-anal anastomosis is 60%. This rate, however, includes complications such as bowel-obstruction and hernias. Pouch-related complications occur after ileal pouch-anal anastomosis with a frequency of 15-25%. In an analysis of the recent literature the main risk factors are: tension of the ileal pouch-anal anastomosis, anastomotic leakage, lack of protective ileostomy, preoperatively undiagnosed Crohn's disease and the experience of the surgeon. We classified pouch related-complications into (1) surgical complications (leakage, bleeding, pelvic sepsis, fistulas); (2) technical problems (long S-pouch spout, rectal cuff stenosis, etc.); (3) functional problems (anal sphincter insufficiency, night incontinence, hypermotility, evacuation disorders); (4) pouchitis; (5) pouch neoplasias. Pathogenesis, diagnostic features, and medical and surgical therapy are discussed in detail. In our own series of 11 pouch-redo operations we had 6 pouch fistulas (3 related to Crohn's disease, 3 postoperative fistulas), 3 wrongly constructed pouches, 1 chronic pouchitis and 1 long S-pouch spout. In 3 cases the pouch had to be excised completely. Two patients remained with a permanent ileostomy. In 6 patients the pouch could be preserved on long term. Due to the technical complexity, the need to understand pathophysiology and the need for a differentiated diagnostic procedure, this operation should be performed only in specialised centers.

Adenomatous Polyposis Coli↗
PubMed2002

Staple-line ulcer in the ileal reservoir following restorative proctocolectomy.

PURPOSE: Following restorative proctocolectomy, seven cases with staple line ulcer around the pouch anal anastomosis and/or staple line in the ileal pouch were experienced. Their clinical, endoscopical characteristics were analyzed. METHODS: The patients noted anal bleeding following restorative proctocolectomy were examined with colonofiberscopy and histological study was conducted. RESULTS: Staple line ulcer was seens in seven cases (2.3%, 7/304). The onset was immediate or within 2 months postoperatively in 5 cases. Bleeding occurred in all the patients and lower abdominal pain, anal pain, increased bowel movements and anal fissure were seen frequently. Ulcers were linear along the staple line and there were no cases complicated by simultaneous pouchitis. Most of the patients responded to treatments with metronidazol, 5-ASA, and topical or oral steroids, although one patient required ligation of bleeding ulcer and two complicated perianal excoriation required ileostomy. CONCLUSION: Staple line ulcer should be recognized as different complication to pouchitis.

Adenomatous Polyposis Coli↗
PubMed2002

Cumulative failure rate of ileal pouch-anal anastomosis and quality of life after failure.

PURPOSE: The aim of the study was to calculate the cumulative occurrence of pouch failure among 486 patients who had undergone proctocolectomy and ileoanal anastomosis for ulcerative colitis or familial adenomatous polyposis. The other goal was to compare the quality of life in the failure group of 21 patients, the successful group, and the healthy population. METHODS: Data were collected from patient histories, with the probability of pouch failure being calculated by the Kaplan-Meier method. Patients with pouch failure and controls were sent a Short-Form 36-item quality-of-life questionnaire, and data were analyzed with paired -test. RESULTS: The overall failure rate was 5.3 percent (26), including 24 pouch excisions and 2 early deaths (0.4 percent). Cumulative probabilities of pouch failure were 1, 5, and 7 percent at 1, 5, and 10 years, respectively. Neither pouchitis, gender, nor diagnosis correlated with pouch failure, but fistula formation ( p< 0.001) did. Patients with failure had lower quality-of-life scores for physical function (p < 0.02), social function ( p< 0.04), energy ( p< 0.02), and physical role function ( < 0.03) than the healthy population. Scores for physical function ( p< 0.01), energy ( p< 0.01), and physical role function ( p< 0.05) were also lower than those of control patients. CONCLUSIONS: The most common cause of pouch failure is fistula, whereas pouch excision is rarely caused by pouchitis. The impaired quality of life of patients in the failure group was caused by impairment of physical function and restrictions in social life.

Adenomatous Polyposis Coli↗
PubMed2002

Indeterminate colitis: the real story.

PURPOSE: Up to one in five patients undergoing surgery for ulcerative colitis will have ambiguous histology, with features of both ulcerative colitis and Crohn's disease, and are categorized as having indeterminate colitis. We hypothesized that functional outcomes in indeterminate colitis patients undergoing ileal pouch-anal anastomosis are comparable with those of ulcerative colitis patients undergoing ileal pouch-anal anastomosis. METHODS: Physician-conducted interviews of 120 consecutive ileal pouch-anal anastomosis patients with a preoperative diagnosis of ulcerative colitis were reviewed, with a mean follow-up of 54 months. All colectomy specimens were reviewed by a single pathologist. Any changes in histologic diagnosis from ulcerative colitis to indeterminate colitis or Crohn's disease, frequency of postoperative complications, pouch function, and long-term postoperative medication usage were recorded. RESULTS: Although postoperative fistulas were more common in indeterminate colitis than ulcerative colitis (26 vs. 10 percent; P = 0.02, chi-squared), no indeterminate colitis patient required a permanent ileostomy as compared with six ulcerative colitis patients. Long-term functional results were similar. Overall, two-thirds of patients developed pouchitis. Ulcerative colitis and Crohn's disease patients were more likely to have had >3 episodes of pouchitis (58 and 72 percent) compared with indeterminate colitis patients (29 percent; P = 0.006, chi-squared). A greater number of Crohn's disease patients required maintenance oral antibiotic therapy (64 percent) to achieve satisfactory functional results compared with both indeterminate colitis and ulcerative colitis patients (20 and 28 percent; P = 0.014, chi-squared). CONCLUSIONS: Although ileal pouch-anal anastomosis patients with indeterminate colitis have more postoperative fistulas, long-term function is equal to that of ulcerative colitis patients and better than Crohn's disease patients. Ileal pouch-anal anastomosis should be offered to patients with indeterminate colitis and those with severe colitis in whom clear differentiation between indeterminate colitis and ulcerative colitis cannot be made.

Adolescent↗
PubMed2005

Postoperative management of ulcerative colitis and Crohn's disease.

Approximately 10% to 30% of patients with ulcerative colitis and up to 70% of patients with Crohn's disease will undergo surgery at some point during their lifetime. Although patients with ulcerative colitis are considered "cured" by surgery, patients who have undergone an ileal pouch anal anastomosis may develop pouchitis, cuffitis, pouch irritability, or even Crohn's disease. Various therapies have shown success, including probiotics, in the prevention of pouchitis onset or relapse. Crohn's disease historically recurs following surgery; prophylaxis against disease recurrence has been attempted with a variety of agents, with variable success. Innovative therapies holding promise for the future treatment or prevention of these conditions are under exploration.

Colitis, Ulcerative↗
PubMed1995

Long-term histomorphological surveillance of the pelvic ileal pouch: dysplasia develops in a subgroup of patients.

BACKGROUND & AIMS: Little is known about the long-term morphology of the pelvic ileal pouch after restorative proctocolectomy in patients with ulcerative colitis. This study analyzed the mucosal adaptation in the pouch during a long-term follow-up. METHODS: Mucosal biopsy specimens were obtained from 87 patients during a follow-up of 6.3 years (SD, 2.7; range, 3-14 years). The villous surface density, degree of inflammation, and type of mucin were determined from glycolmethacrylate-embedded sections. RESULTS: Three basic patterns of mucosal adaptation were observed: regular response with normal mucosa or mild villous atrophy and no or mild inflammation (type A, 51%), transient atrophy response with temporary moderate or severe villous atrophy followed by normalization of architecture (type B, 40%), and constant atrophy response with permanent subtotal or total villous atrophy developing from the early functioning period accompanied by severe pouchitis (type C, 9%). Low-grade dysplasia occurred in 3 patients with type C response. CONCLUSIONS: In a small group of patients with ulcerative colitis, the mucosa of the pelvic pouch adapts with constant severe villous atrophy accompanied by long-standing pouchitis. This group of patients should be identified and undergo regular endoscopic and histomorphological surveillance because of risk of developing neoplasia in the pouch mucosa.

Adult↗
PubMed1992

Superior results of ileoanal pull through (IAPT) in polyposis coli vs ulcerative colitis patients.

Colectomy, mucosal proctectomy, and ileoanal pull through (IAPT) have replaced proctocolectomy as the operation of choice in most patients with the colorectal mucosal diseases ulcerative colitis and polyposis coli. This study was conducted to determine whether there is any difference in postoperative morbidity and long-term functional results when IAPT is performed for polyposis coli than when it is performed for ulcerative colitis patients. Between 1982 and 1989, 277 IAPT procedures were performed at the University of Utah Medical Center, 239 for ulcerative colitis and 38 for polyposis coli syndromes. A prospective study compared polyposis and colitis patients after IAPT with regards to age, family history, preoperative findings, operative findings, postoperative complications, and long-term complications. Functional results were compared including day and night stool frequency, incidence of nighttime incontinence, and incidence of pouchitis. The incidence of postoperative complications was lower in the polyposis group than in the colitis group, but the numbers were low enough in both diseases that significant differences were not detected. However, the incidence of pouchitis (0% vs 19%), day (4.2 vs 6.0) and night (0.4 vs 0.9) stool frequency, and nighttime incontinence (5% vs 25%) was significantly lower in the polyposis group when compared to the colitis group. We conclude that IAPT performed for polyposis conditions is associated with superior results when compared with results from patients who undergo the procedure for ulcerative colitis.

Adenomatous Polyposis Coli↗
PubMed1994

Functional outcome in handsewn versus stapled ileal pouch-anal anastomosis.

Eighty-eight of 119 patients who underwent ileal pouch-anal anastomosis for ulcerative colitis were evaluated. Forty patients had a handsewn anastomosis (Hs) with mucosectomy, and 48 had a stapled anastomosis (St). In each patient, we evaluated operative, morphologic, functional, and manometric features. The results in the Hs and St groups were similar when the anastomosis was within 1 cm of the dentate line. In particular, there was no correlation between the type of anastomosis and the number of bowel movements in a 24-hour period, the presence of the urge to defecate, and the use of antidiarrheal drugs. Leakage was significantly higher in the Hs group, even when the anastomosis was less than 1 cm from the dentate line. Pouchitis was more frequent in the Hs group, and, within this group, among those with a short distance between the anastomosis and the dentate line. No correlations were found between the presence of columnar epithelium or active colitis in the mucosa below the anastomosis, the functional outcomes, and the incidence of pouchitis.

Adenomatous Polyposis Coli↗
PubMed1987

The role of fiberoptic endoscopy in the management of the continent ileostomy.

Between January 1982 and December 1985, 355 fiberoptic pouchoscopies were performed in 123 patients with a continent ileostomy. These examinations have been reviewed to determine the effectiveness of the technique as a diagnostic and therapeutic tool. The Olympus GIF-XP pediatric endoscope was used after pouch lavage, and the afferent loop of ileum, the pouch, and (by retroflexion) the nipple valve were examined on each occasion. There were 63 males and 60 females, with a median age of 35 years (range, 16 to 71 years). The median length of follow-up after pouch construction was 36 months (range, 6 to 120 months), and an average of three examinations were performed per patient (range, 1 to 12). Of 127 examinations performed in asymptomatic patients, the pouch was normal in 117 cases, and there was mesh erosion into the pouch in 10 cases. The remaining 228 examinations were for symptoms that included pouchitis (56), difficulty in intubation (47), incontinence (35), follow-up of treated pouchitis (18), parastomal sepsis (22), blood in the stool (13), anemia (8), excess mucus discharge (6), valve prolapse (4), and purulent discharge from the stoma (1). Eighty-four examinations were normal; 144 revealed a likely cause for the symptoms and led to appropriate treatment, which in 45 patients was surgical. Fiberoptic endoscopy was therapeutic in 6 patients in whom it was used on 10 occasions to intubate a pouch with a slipped valve. Radiographic studies were seldom used, with pouchograms being carried out in 16 patients and fistulograms in 5. Only the fistulograms contributed to the assessment of each patient.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed2003

Restorative proctocolectomy with ileal pouch-anal anastomosis in very young patients with refractory ulcerative colitis.

BACKGROUND/PURPOSE: Restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA) is the standard surgical treatment for ulcerative colitis (UC). The purpose of the current study was to determine the outcome of very young patients (< or =10 years of age) with UC undergoing IPAA. METHODS: Between 1978 and 2002, 13 patients 10 years of age or younger underwent IPAA for management of UC at the authors' institution. Charts were reviewed for patient characteristics, and a standardized telephone interview was performed. RESULTS: Average age at diagnosis was 4.0 years (range, 1.0 to 8.4 years), and patients underwent IPAA at a mean of 6.8 years (range, 3.7 to 10.8 years). Pancolitis was present in 100%. The mean follow-up was 9.1 years (1.0 to 16.1 years), the average number of stools per day was 5 (3 to 8). All patients are continent while awake. Pouchitis was documented in 9 patients (75%). All patients or their parents rated the outcome of their procedures as "excellent." CONCLUSIONS: When compared with older children, very young patients with UC tend to have more frequent total colonic involvement and a greater frequency of pouchitis after IPAA. The functional outcome and patient/family satisfaction with the procedure endorse IPAA as an attractive procedure even in the very young population with UC.

Anal Canal↗
PubMed2003

Pediatric ileal pouch-anal anastomosis: functional outcomes and quality of life.

BACKGROUND/PURPOSE: The aim of this study was to assess and correlate functional outcomes and surgical results with health-related quality of life after ileal pouch-anal anastomosis (IPAA) in pediatric patients. METHODS: Functional outcome was determined by questionnaire and telephone interview. Surgical results were determined by retrospective chart review. RESULTS: Data were gathered from 26 patients (mean age at IPAA, 12 years; mean follow-up, 3.7 years). Diagnoses were ulcerative colitis in 18, indeterminate colitis in 4, and familial polyposis in 4. Indications for IPAA included intractability, medication toxicity, growth delay, and cancer prophylaxis. Short-term complications (5 patients; 19%) included partial small bowel obstruction, stomal revision, pouch abscess, and negative exploration. Long-term complications (8 patients; 31%) were chronic pouchitis and anal stricture. The average number of stools per 24 hours was 3.9. No incontinence was reported; dietary restrictions were negligible. Although there were minimal differences from population norms, parental anxiety remained high. Chronic pouchitis correlated negatively with physical summary score. Nocturnal stooling negatively affected psychosocial quality of life. CONCLUSIONS: Pediatric IPAA resulted in excellent bowel health. Quality of life, physical function, mental health, and self-esteem were equivalent to those of healthy children. These data may help families and physicians make informed surgical decisions.

Adolescent↗
PubMed1983

The lateral reservoir technique of ileal endorectal pull-through for ulcerative colitis and familial polyposis in children.

Total abdominal colectomy and endorectal ileal pull-through have been widely used in children as a definitive continence-preserving procedure for ulcerative colitis (UC) and familial polyposis (FP). Controversy exists in regards to the results achieved with the various techniques utilized to accomplish this procedure, including straight ileal pull-through, pull-through with balloon dilatation of the lower ileal segment, and the construction of a variety of ileal reservoirs: S-shaped, J-shaped, or lateral. We have utilized the two-stage lateral reservoir approach advocated by Fonkalsrud et al, on a total of 12 patients, aged 1 to 17 years, including ten patients with UC and two with FP. Twelve patients have undergone stage 1 and seven of these stage 2. Numerous complications of stage 1 occurred early in the series, including breakdown of the ileoanal anastomosis, 3 patients; cuff abscess, 2 patients; postoperative intestinal obstruction, 2 patients; and intraabdominal abscess, 1 patient. All have fully recovered. The last six stage 1 procedures have been without complications. Five of the seven stage 2 patients are now well, continent, and having four to six controlled bowel movements a day 1 to 2 years postoperatively. Two patients are using small amounts of Immodium and Metamucil. One patient has developed marked dilatation of the pouch at 8 months postoperatively with episodic "pouchitis" requiring operative revision and diversion. One stage 2 patient suffered numerous complications including spontaneous perforation of the reservoir 2 months postoperatively, eventually leading to re-creation of a permanent ileostomy and removal of the pouch. Five patients await further treatment. The lateral reservoir technique is capable of producing a satisfied and continent patient; however, the potential technical problems and early complications are significant. The occurrence of delayed "pouchitis" is worrisome. Although the initial results with the lateral reservoir technique appear encouraging, further longterm evaluation is necessary.

Adolescent↗
PubMed1996

Restorative proctocolectomy for ulcerative colitis in children--is the J-pouch better than straight pull-through?

Proctocolectomy and ileoanal anastomosis (IAA), with or without an ileal pouch, is the preferred method for the surgical treatment of ulcerative colitis (UC) in children. The authors compared the surgical complications and functional outcome for patients with UC who had proctocolectomy and straight IAA with those of patients who had proctocolectomy and IAA with a J-pouch. Twenty-two children (aged 7 to 15 years) with intractable UC had an IAA, 11 by straight ileoanal anastomosis (SIAA) and 11 with a J-pouch (JIAA). The median clinical and endoscopic follow-up period for SIAA patients was 4 years (range, 3.0 to 6.5 years); for JIAA patients it was 2 years (range, 1 to 3 years). The frequency of daytime and nighttime defecation was significantly higher (P < .03) for patients with SIAA at 3, 6, and 12 months postoperatively. At the last follow-up visit, the mean frequency of defecation for patients with SIAA was 6.1 +/- 2.5/d; that for patients with JIAA was 3.3 +/- 0.5/d (P < .03). Six of 10 patients with SIAA but none with JIAA had nighttime bowel evacuations. None of the patients had daytime soiling; 3 with SIAA and 2 with JIAA had slight soiling during sleep. There was no significant difference in the incidence of early (SIAA 27% v JIAA 45%) and late (SIAA 54% v JIAA 27%) surgical complications between the two groups. Endoscopically confirmed symptomatic pouchitis during the first postoperative year was found in 4 of the 11 (36%) patients with SIAA and in 2 of the 11 (18%) with JIAA (difference not significant). The early and long-term functional results of JIAA are superior to those of SIAA. There is no difference in the incidence of surgical complications and pouchitis between JIAA and SIAA patients.

Adolescent↗
PubMed1997

Efficacy of the straight endorectal pull-through in the management of familial adenomatous polyposis--a 16-year experience.

From 1979 to 1995, 27 patients who had familial adenomatous polyposis (FAP) were treated at the authors' institution. Most patients (n = 23) presented as a result of a previous family history of FAP. Eighteen patients presented with symptomatic colonic disease that included bloody stools (n = 14), diarrhea (n = 10), and abdominal pain (n = 6). Treatment consisted of a total colectomy, rectal mucosectomy, and straight endorectal pull-through (ERPT) in 26 of 27 patients. One patient preferred to undergo an ileoanal J pouch reconstruction. A temporary diverting loop ileostomy was performed in 25 patients and closed at an average of 100 days after the ERPT. Follow-up has been achieved in 100% of the patients and ranges from 6 to 182 months with an average of 48 months. Postoperative complications included partial bowel obstruction (two patients, one requiring enterolysis); and mild pouchitis (one patient). Two of the 27 patients required proctectomy and permanent ileostomy procedures, one for rectal cancer that was present microscopically in the initial rectal specimen from the ERPT and the other because of recurrent anastomotic complications. No patient required revision of the straight pull-through to a pouch or takedown of the pull-through as a result of persistent diarrhea or dissatisfaction. All of the patients are continent, and 80% deny any soiling during bouts of gastroenteritis. The mean number of bowel movements reported was 10 per day at the first postoperative clinic visit with a gradual decreased to six per day after 2 years. Initial use of bulking (62%) and antimotility agents (88%) decreased significantly over the course of follow-up to 29% and 67%, respectively at the most recent follow-up (average, 48 months) of each patient. Pelvic sepsis, which occurs in 8% of most series of patients who have pouches, did not occur in any of our patients. Pouchitis, a common complication with pouches (23%), occurred in only one of the patients and was mild and easily treated medically. This series demonstrates that total colectomy with rectal mucosectomy and straight ERPT eliminates the risk of colorectal cancer and achieves continence with a low complication rate and excellent functional results and patient satisfaction.

Adenomatous Polyposis Coli↗
PubMedDate not supplied

Outcome of patients undergoing ileal pouch-anal anastomosis for left-sided chronic ulcerative colitis.

Chronic ulcerative colitis is not a uniform disease entity because the clinical pattern and disease characteristics differ on the basis of the anatomic location of the inflammation. The aim of this study was to compare the preoperative characteristics, postoperative complications, and long-term functional outcome of ileal pouch-anal anastomosis (IPAA) in patients with left-sided colitis to those same characteristics in patients with pancolitis. Between 1990 and 1996, a total of 565 patients underwent IPAA for chronic ulcerative colitis at our institution. Of these, 111 patients were determined to have left-sided involvement, whereas 283 patients had pancolitis. The mean age at surgery was greater in the patients with left-sided colitis (37 years vs. 34 years, P = 0.01), and the mean duration of disease (8.7 years vs. 7.7 years, P = 0.05) tended toward a significant difference between the left-sided colitis and pancolitis groups. The complication rates were similar with the exception of small bowel obstructions, for which there was a higher incidence in the group with left-sided colitis (27% vs. 13%, P = 0.002) at 5 years. The incidence of pouchitis (43% vs. 39%) at 5 years was comparable. Long-term functional results and quality-of-life assessment did not show any significant differences between the two groups. We were unable to detect any correlation between the extent of colon involvement and the subsequent incidence of pouchitis, long-term pouch function, and quality of life. Patients with left-sided colitis were older, had a relatively longer duration of disease, and were at increased risk for postoperative small bowel obstruction as compared to patients with pancolitis.

Adult↗
PubMed1998

Plasma and mucosal fatty acid pattern in colectomized ulcerative colitis patients.

Patients with inflammatory bowel disease (IBD) have increased plasma n3 polyunsaturated fatty acids (PUFAs), which in ulcerative colitis (UC) patients persists six months after colectomy, suggesting a primary abnormality in fatty acid (FA) metabolism in IBD. This finding needed to be confirmed in a larger series of UC long-term colectomized patients. We aimed to assess the plasma FA pattern in UC colectomized patients with either Brooke's ileostomy (UC-BI) or ileal pouch anal anastomosis (UC-IPAA) and the mucosal FA pattern in the ileal reservoir of the UC-IPAA patients. Plasma FAs were assessed in 63 UC colectomized patients (31 with BI and 32 with IPAA) and 30 controls. In 26 UC-IPAA (8 with pouchitis and 18 without pouchitis) and in 13 healthy controls gut mucosal FAs were also investigated. FAs were detected by capillary column gas-liquid chromatography. Increased levels of saturated fatty acids (SFAs) and decreased percentages of monounsaturated fatty acids (MUFAs) were observed in both groups of patients. There were no changes in plasma n3 and n6 PUFAs. The mucosal FA pattern of the ileal reservoir consisted of increased long-chain PUFAs, specially n6 PUFA, and a decrease of their essential precursors. High percentages of SFAs and low percentages of MUFAs were also seen. The plasma FA profile previously described in IBD is not observed long-term after colectomy in UC, suggesting that it is related with the presence of inflamed intestine. High concentrations of SFAs and decreased percentages of MUFAs might represent early events in disturbed FA metabolism in IBD. The changes in FAs of the ileal reservoir, which closely resemble those found in human and experimental IBD, probably represent a common pattern of intestinal inflammation.

Adult↗
PubMed1997

Bacterial fermentation of fructooligosaccharides and resistant starch in patients with an ileal pouch-anal anastomosis.

Patients with large bowel disease may undergo ileal pouch-anal anastomosis, in which the colon is removed and part of the distal ileum is used to construct a pelvic reservoir. Competence of the ileal pouch to ferment carbohydrates is associated with the absence of pouchitis. However, the extent to which bacterial fermentation takes place and whether it is affected by diet are unclear. We investigated fermentation of two nondigestible carbohydrates, fructooligosaccharides and resistant starch, in 15 healthy patients with an ileal pouch by using a placebo-controlled crossover design (with glucose as the placebo). Apparent fermentability of fructooligosaccharides was 83%; that of resistant starch was 46%. Resistant starch increased fecal excretion of butyrate by 69% whereas fructooligosaccharides reduced excretion of amino acid-derived isobutyrate by 94% and of isovalerate by 77%. Fructooligosaccharides also significantly increased fecal weight (651 compared with 541 g/d) and breath-hydrogen excretion (286 compared with 85 ppm x h). Bacterial fermentation of nondigestible carbohydrates in pouches takes place to an appreciable extent and in a substrate-specific manner. The relation between such fermentation and inflammation of the pouch (pouchitis) deserves study.

Adult↗
PubMed2001

Probiotics and antibiotics in inflammatory bowel disease.

Many experimental and clinical observations suggest a potential role for intestinal microflora in the pathogenesis of inflammatory bowel disease. Manipulation of the luminal content using antibiotics and/or probiotics may represent a potentially effective therapeutic option. Results of antibiotic treatment in inflammatory bowel disease are controversial, but this approach is frequently and successfully adopted in clinical practice. Recent data support the potential therapeutic role of probiotics in inflammatory bowel disease. In particular, a highly concentrated probiotic preparation was shown to be superior to placebo both on the prevention of pouchitis onset and of chronic pouchitis relapse. Its role in the maintenance treatment of ulcerative colitis and Crohn disease needs to be further assessed by large, double-blind, controlled trials. Future research needs to be focused on obtaining more precise information on the enteric microflora and the mechanisms of action of probiotics.

Journal Article↗