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PubMed1999

Current trends in restorative proctocolectomy: introduction of an ultrasonically activated scalpel.

PURPOSE: We evaluated the usefulness of an ultrasonically activated scalpel (Harmonic Scalpel) for mucosal proctocolectomy and ileal J-pouch-anal anastomosis. METHODS: Seventy-four patients with ulcerative colitis (70 patients) and familial adenomatous polyposis (4 patients) underwent mucosectomy using the Harmonic Scalpel since 1997. We compared the clinical and functional results with those of the monopolar electrocoagulator (forceps coagulation technique, 86 patients with colitis and 7 with polyposis). RESULTS: We performed graduated mucosal proctectomy by using the Harmonic Scalpel. The operative time (Harmonic Scalpel, 42 minutes vs. forceps coagulation technique, 85 minutes) and blood loss (Harmonic Scalpel, 33 ml vs. forceps coagulation technique, 86.8 ml) were significantly reduced by this method. The Harmonic Scalpel enabled restorative proctocolectomy by the synchronous approach within three hours. The functional results and complications were not significantly different between the two groups. CONCLUSION: The Harmonic Scalpel shortened the operative time, decreased blood loss, and was useful for restorative proctocolectomy in our study.

Adult↗

PubMed2000

Severe steroid-unresponsive ulcerative colitis: outcomes of restorative proctocolectomy in patients undergoing cyclosporin treatment.

PURPOSE: The recent introduction of the immune suppressor cyclosporin for treatment of steroid-refractory ulcerative colitis has required surgeons to perform a colectomy in those patients who eventually fail this rescue treatment, thus raising questions as to the safety of surgery as performed in patients with a heavily manipulated immune system. To assess the rates of mortality and morbidity in this setting, we studied a cohort of consecutive patients who had surgery after failing cyclosporin for refractory ulcerative colitis at our center. METHODS: Between January 1991 and December 1996, 25 patients with ulcerative colitis underwent restorative proctocolectomy performed in three steps (21 patients) and in two steps (4 patients). Seventeen of the 25 patients (68 percent) were initial nonresponders to a dose of 2 mg/kg/day of intravenous cyclosporin and underwent surgery immediately, the remaining 8 (32 percent) relapsed as outpatients on oral cyclosporin and were readmitted for surgery. RESULTS: There was no operative mortality. Nine patients of the 25 developed postoperative (early) complications (36 percent). The three-step operation subset had a 28 percent complication rate, the two-step 75 percent. Three patients needed reoperation. A total of 11 patients (44 percent) reported with late complications: two patients required surgical treatment, one for obstruction and one for pouch-perianal fistula. Three cases of pouchitis were recorded. No patient required pouch removal. CONCLUSION: Given the absence of postoperative mortality and a low overall complication rate, restorative proctocolectomy can safely be performed in patients who fail rescue treatment with a dose of 2 mg/kg of cyclosporin for steroid-refractory ulcerative colitis. Corollary evidence in this article hints but does not prove that the three-step procedure is safer than the two-step operation.

Adult↗

PubMed1995

Safety of urgent restorative proctocolectomy with ileal pouch-anal anastomosis for fulminant colitis.

PURPOSE: Subtotal colectomy with ileostomy is the operation of choice for patients with fulminant colitis. Restorative proctocolectomy (RPC) with ileal pouch-anal anastomosis (IPAA) is preferred for patients who undergo elective surgery for ulcerative colitis. We retrospectively evaluated the safety of RPC with IPAA in patients with a moderate form of fulminant colitis. METHODS: A chart review of 737 patients who underwent RPC with IPAA for ulcerative and indeterminate colitis from 1983 through 1992 was performed. Moderate fulminant colitis was defined as acute disease requiring hospitalization and parenteral steroid therapy, but without hypotension (systolic blood pressure, < 100 mmHg), tachycardia (> 120 beats/min), or megacolon. RESULTS: Twelve patients with moderate fulminant colitis underwent urgent surgery (1.6 percent). They had been treated preoperatively for 5.1 +/- 2.3 days with intravenous high-dose steroids, total parenteral nutrition, and antibiotics. These patients had a shorter length of disease (P = 0.01), lower hemoglobin, hematocrit, and albumin (P = 0.001), and higher temperature (P = 0.002) and leukocyte count (P = 0.007) than patients undergoing elective surgery. No early septic complications occurred, although perianal abscess occurred in one patient and pouch-anal fistula in another patient, 13 and 14 months after surgery, respectively. CONCLUSION: In carefully selected, hemodynamically stable patients with fulminant colitis and without megacolon, RPC with IPAA can be safely performed.

Acute Disease↗

PubMed1994

Loperamide improves anal sphincter function and continence after restorative proctocolectomy.

The physiological and clinical effects of loperamide treatment versus placebo were investigated in a randomized, double-blind, crossover study in patients operated with restorative proctocolectomy. Sixteen patients operated with endoanal mucosectomy and a handsewn ileal pouch-anal anastomosis and 14 patients operated with abdominal proctocolectomy and stapling of the pouch to the top of the anal canal were studied. While loperamide treatment increased resting anal pressure in both groups of patients by approximately 20% (P < 0.05), squeeze pressure was not affected. Loperamide did not affect pouch volume or contractility. Sensory thresholds and the recto/pouch-anal inhibitory reflex were not influenced by loperamide treatment. Clinical function was improved, with a reduced bowel frequency and an improved nighttime continence, with less soiling (P < 0.05) as well as need to wear a protective pad.

Adult↗

PubMed1996

Restorative proctocolectomy in children and adolescents.

Children and adolescents with colitis present specific problems for surgeons. There has been a fashion, particularly in North America, for restoring continuity after colectomy by a direct ileo-anal anastomosis. The authors reviewed their experience with restorative proctocolectomy with ileal reservoir (RPC) in patients under 18 years of age to evaluate the outcome and to discuss the problems and challenges associated with the procedure in this age group. Fifteen patients (6 boys, 9 girls) were operated on between 1984 and 1995. The diagnoses included 12 patients with ulcerative colitis (UC), two with familial adenomatous polyposis (FAP), and one with total colonic neuronal dysplasia. The median age of the patients at the time of ileal pouch formation was 15 years, and follow-up data were available for all patients at a median of 43 months. Ten patients with UC underwent pouch surgery 4 to 14 months after initial total abdominal colectomy (7 for acute severe disease, 3 for chronic disease). Four patients (2 with chronic UC, 2 with FAP) underwent primary RPC. There were no deaths in this series. Three (20%) patients suffered serious early morbidity (pouch hemorrhage, pelvic sepsis, severe psychological crisis). Late morbidity included three patients who had small bowel obstruction, one who required laparotomy, two who required pouch revision, and five of 12 (42%) patients with UC who presented with a documented episode of pouchitis between 2 and 72 months after ileostomy closure. All patients had acceptable bowel frequency and quality of continence. This experience suggests that RPC provides an important surgical option for children and adolescents with UC or FAP.

Adenomatous Polyposis Coli↗

PubMed1989

Restorative proctocolectomy with ileal reservoir. Comparison of two-stage vs. three-stage procedures and analysis of factors that might affect outcome.

Restorative proctocolectomy and ileal reservoir, performed as a two-stage procedure, has the advantages of a shorter hospital stay, one less anesthetic, and a shorter time with a stoma when compared with the three-stage procedure. In a prospective, nonrandomized study of 152 consecutive patients undergoing restorative proctocolectomy (57 two-stage and 95 three-stage), the complication rates for the ileal reservoir phase and the functional results of the two- and three-stage operations were compared. The results suggest that there is no advantage to the three-stage procedure except in the following circumstances: when urgent surgery is required for the complications of ulcerative colitis, when malignancy or Crohn's disease cannot be ruled out, and when a patient with active colitis has a combination of a low hemoglobin value (male less than 13.5 g/dl, female less than 11.5 g/dl), a low serum albumin level (less than 40 g/l), and is taking oral steroids.

Adenomatous Polyposis Coli↗

PubMed1993

Quality of life after restorative proctocolectomy with a pelvic ileal reservoir compares favorably with that of patients with medically treated colitis.

There remains some reluctance among physicians to refer patients for restorative proctocolectomy (RP). They argue that their patients would be worse off with a pouch because of the attendant problems of urgency and frequent bowel actions. The aim of this study was to compare quality of life in patients who had undergone RP with that of patients with ulcerative colitis on long-term medical treatment. A detailed questionnaire and the Hospital Anxiety and Depression (HAD) test were completed by 103 patients who had undergone RP and by 95 patients with ulcerative colitis on medical treatment and in remission attending a gastroenterology clinic. Patients with a pouch had a greater frequency of bowel action [five times per 24 hours (range, 4-7) vs. two times per 24 hours (range, 1-3); P < 0.001] but less urgency of defecation [12/103 (11.7 percent) vs. 69/95 (72.6 percent); P < 0.001] than patients with medically treated colitis. Efficiency of evacuation, discrimination between flatus and feces, use of perianal pads, and perianal soreness were similar. Use of antidiarrheal medication was more common in the pouch group [53 of 103 patients (51.5 percent) vs. 3 of 95 patients (3.2 percent); P < 0.05], whereas use of topical steroids was more common in medically treated patients [40 of 95 patients (47.1 percent) vs. 9 of 103 patients (8.7 percent); P < 0.05]. Limitation of social activity and HAD scores were significantly higher in medically treated patients. Quality of life for patients with a pouch appears to be as good as that for patients with medically treated colitis.

Adolescent↗

PubMed1989

Experience of restorative proctocolectomy with ileal reservoir.

The experience gained with restorative proctocolectomy and ileal reservoir in 60 patients is presented. Fifty-two patients had W reservoirs and the operative technique of the procedure is described in detail. Forty patients had a defunctioning ileostomy and 20 had a single stage procedure. There was no perioperative mortality. The main complications were sepsis (28 per cent), intestinal obstruction (18 per cent) and reservoir ileitis (20 per cent). There was a significant improvement in sepsis rate (from 20 to 4 per cent) and hospital stay (from 31.8 to 15.6 days) with increased experience. The functional results of 48 patients with W reservoirs was assessed. The mean number of evacuations per 24 h (+/- s.d.) was 3.8 +/- 0.2. Sixty-five per cent of patients did not evacuate at all, or rarely, at night and none evacuated more than once at night. Forty-four per cent of patients took antidiarrhoeal agents. Continence was normal in 50 per cent of patients. Minor leakage occurred in 46 per cent of cases, frequent leakage in 4 per cent and incontinence in none. Sexual function in 29 men was normal. Ninety-four per cent of patients considered the results of their operation to be good or excellent.

Adenomatous Polyposis Coli↗

PubMed1990

Restorative proctocolectomy: a procedure for the district general hospital?

Restorative proctocolectomy is widely regarded as the surgical procedure of choice for patients with ulcerative colitis or familial adenomatous polyposis, the majority being carried out within specialised regional centres. The use of this procedure outside such centres has been investigated by reviewing the results from a District General Hospital (DGH) over the 8 year period 1981-1989. Seventeen patients (11 male and 6 female with a median age of 36 years) underwent total colectomy and ileoanal anastomosis with formation of a pelvic reservoir (TC-IA). Fourteen had ulcerative colitis (UC), 2 familial adenomatous polyposis (FAP) and one a colonic and rectal cancer. Three pouch designs were used ("S" in 7, "J" in 8 and "W" in 2) with no operative or perioperative deaths. Further laparotomy was required in two patients for adhesions and pelvic sepsis. Functional results were assessed in 16 patients at a mean of 5 years after surgery. The median daily stool frequency was 5 (range 2-6). Twelve of the 16 patients defaecate spontaneously, 2 regularly self-catheterized and 2 do so occasionally. None of the patients is incontinent of formed or liquid stool but one has occasional soiling. These results suggest that TC-IA may be satisfactorily performed outside a specialised unit.

Adenomatous Polyposis Coli↗

PubMed1990

Videoproctographic assessment after restorative proctocolectomy.

Videoproctography was performed in 40 patients after restorative proctocolectomy to evaluate pouch emptying, anopouch angle, and pelvic floor movement in relationship to functional outcome. Results were compared between the two different pouch designs tested and a control group of 26 patients who had an intact rectum. There was no difference in emptying between the two pouch designs or compared with the control subjects. Emptying did not influence either the frequency of defecation or patient soiling rate. The presence of an anal stricture was associated with poor emptying in each case in the pouch group. Anorectal angle was no different between the different pouch designs or compared with the control group at rest, during pelvic floor contraction, or attempted defecation. A similar finding was obtained with anorectal angle position and movement during pelvic floor contraction and attempted defecation in both pouch design groups and when compared with normal rectum. This study shows that the only factor that is consistently associated with poor pouch emptying is the presence of an anal stricture.

Adult↗

PubMed2003

Long-term functional results after ileal pouch anal restorative proctocolectomy for ulcerative colitis: a prospective observational study.

OBJECTIVE: To document functional results in patients treated with an ileal pouch anal anastomosis (IPAA). SUMMARY BACKGROUND DATA: The restorative proctocolectomy with IPAA has become the procedure of choice for patients with ulcerative colitis, yet the long-term functional results are not well known. METHODS: We performed this prospective observational study in 391 consecutive patients (56% male; mean age, 33.7 +/- 10.8 years; range, 12-66 years) who underwent an IPAA between 1987 and 2002 (mean follow-up, 33.6 months; range, 0 to 180 months). RESULTS: The majority of patients underwent the procedure under elective circumstances with a hand-sewn ileal pouch anal anastomosis and a protective ileostomy. In 25 patients (6.4%), the procedure was performed under urgent conditions; in 137 patients (35%), the temporary ileostomy was omitted; in 117 patients (29.9%), the ileal pouch anal anastomosis was stapled. There was 1 hospital mortality (0.25%) and 1 30-day mortality. Mean length of stay was 9.2 +/- 5.6 days (3-68 days; median, 8 days) and was increased by the occurrence of septic complications (8.9 versus 13.6 days; P < 0.02) and by the omission of a temporary ileostomy (8.3 versus 10.4 days; P = 0.005). Complications included pelvic abscess (1.3%), anastomotic dehiscence (6.4%), bowel obstruction (11.7%), and anastomotic stenosis in need of mechanical dilatation (10.7%). Patients were asked to record their functional results on a questionnaire for 1 week at 3, 6, 9, 12, 18, and 24 months after the IPAA and yearly thereafter. Our data to 10 years show that median number of bowel movements (bms) was 6 bm/24 hours at all time intervals. The average number of bms increased by 0.3 bm/decade of life (P < 0.001). Throughout the entire follow-up, more than 75% of patients had at least 1 bm most nights, although fewer than 40% found it necessary to alter the time of their meals to avoid bms at inappropriate times. Depending on the time interval, between 57% and 78% of patients were always able to postpone a bm until convenient, and this ability was similar in patients with a stapled or hand-sewn ileoanal anastomosis; only up to 18% were able to always distinguish between flatus and stools, and this ability was similar in patients with a stapled or hand-sewn ileoanal anastomosis. Complete daytime and nighttime continence was achieved by 53-76% of patients depending on the time interval. The percentage of fully continent patients was higher following the stapled rather than the hand-sewn technique (P < 0.001), and this difference persisted over time. When patients experienced incontinence, its occurrence ameliorated over time (P < 0.001), and the occurrence of perianal rash and itching as well as the use of protective pads decreased over time (P < 0.008). At 5 years, patients judged quality of life as much better or better in 81.4% and overall satisfaction and overall adjustment as excellent or good in 96.3% and 97.5%, respectively. CONCLUSIONS: We conclude that the IPAA confers a good quality of life. The majority of patients are fully continent, have 6 bms/d on average, and can defer a bm until convenient. When present, incontinence improves over time.

Adult↗

PubMed2005

Long-term outcomes of restorative proctocolectomy for Crohn's disease and indeterminate colitis.

INTRODUCTION: The present study aims to evaluate the short-term and long-term outcomes of patients undergoing restorative proctocolectomy (RPC) for Crohn's disease (CD) and Indeterminate colitis (IC) and to identify factors associated with adverse outcomes. METHODS: A descriptive study of 52 patients with CD or IC from a total of 1652 patients undergoing primary or salvage RPC in a single tertiary referral centre between 1978 and 2003. Primary outcomes were ileal pouch failure (excision or indefinite diversion), adverse events and functional outcomes (bowel frequency, urgency and continence). RESULTS: Patients with IC or IC favouring ulcerative colitis (Group 1, n = 26) had a pouch failure rate of 11.5%vs 57.5% for patients with CD or IC favouring CD (Group 2, n = 26). Pouch salvage surgery was undertaken in 15 patients with a 13.3% failure rate. Patients in Group 2 were 2.6 times more likely (95% CI: 0.96-7. No significant differences were evident between CD and IC patients with regards to pelvic sepsis (19.2%vs 15.4%), anastomotic stricture (23.1%vs 21.7%), small bowel obstruction (26.9%vs 26.9%) or pouchitis (15.4%vs 11.5%). The 24-h bowel frequency (7.5 vs 8), faecal urgency, daytime or night time incontinence were similar between patients with CD or IC..17) to develop a pouch-related fistula than patients in Group 1. DISCUSSION: Crohn's disease and to a great extent indeterminate colitis favouring CD were both associated with high failure rates and postoperative pouch-related fistula rates. Despite these problems, functional outcomes for patients with CD or IC were similar. Patients with IC should remain candidates for RPC but careful pre-operative assessment is advised to exclude clinical signs favouring the diagnosis of CD. The complications associated with failure are extensive and the option of reconstructive surgery in patients with CD should be questioned.

Adolescent↗

PubMed1994

Stricture at the pouch-anal anastomosis after restorative proctocolectomy.

PURPOSE: The aim of this study was to determine what factors may be responsible for the development of a stricture at the pouch-anal anastomosis after restorative proctocolectomy. METHODS: A consecutive series of 115 patients was studied retrospectively a median of 34 months (range, 4-100 months) after operation or ileostomy closure. The procedure failed in 11 patients (9.6 percent) who subsequently had to have a permanent ileostomy. Another two patients were excluded from the analysis, one of whom was awaiting ileostomy closure, whereas the other had a stricture due to a desmoid tumor. Of the remaining 102 patients, 39 (38 percent) developed an ileoanal anastomotic stricture, which was severe and persistent in 16 percent. RESULTS: The results were analyzed with the aid of multivariate logistic regression analysis. Factors which predisposed significantly to the development of an ileoanal anastomotic stricture were 1) use of the 25-mm (small) diameter stapling gun (P = 0.05), 3) use of a defunctioning ileostomy (P = 0.03), and 4) anastomotic dehiscence and pelvic sepsis (P = 0.03). The single patient whose operation failed because of a stricture had also developed pelvic sepsis associated with an anastomotic dehiscence. CONCLUSIONS: The eventual clinical, functional outcome after dilation of a stricture in the 39 patients who developed a stricture was as good as the outcome in the 63 patients who did not a develop stricture.

Adolescent↗

PubMed1998

Patterns of distribution of endoscopic and histological changes in the ileal reservoir after restorative proctocolectomy for ulcerative colitis. A long-term follow-up study.

OBJECTIVE: This study was undertaken to assess the long-term macroscopic appearance of the ileal reservoir after restorative proctocolectomy for ulcerative colitis, to determine whether there is any correlation between macroscopic and histological changes and whether the distribution of these is homogeneous, focal or patchy. BACKGROUND: No study has examined the macroscopic appearance of the ileal reservoir over a long period and it is still unknown to what degree histological changes are diffuse or patchy. Moreover, the relationship between macroscopic and histological changes is poorly understood. METHOD: Fifty-nine patients were examined by one clinician (PSC) 5.3-14.5 years (median 8.2 years) postoperatively. A rigid sigmoidoscopy of the reservoir was performed. Four zones in the posterior midline at 5-cm intervals from the ileoanal anastomosis were inspected. At each level a macroscopic score of severity of inflammation was given and a biopsy taken. The degree of acute and chronic inflammation was assessed using a histopathological scoring system. RESULTS: All reservoirs showed macroscopic abnormalities, which were more marked distally in 14 (24%). There was no case in which severity of inflammation was greater in proximal than in distal zones. Endoscopy overall correlated with both acute and chronic histological changes. On histological examination the patients could be divided into three groups as follows: (1) all four biopsies were normal (group 1, n = 8, 14%), (2) the score of acute and chronic inflammation decreased from distal to proximal zones (group 2, n = 25, 42%) and (3) all four biopsies were abnormal with the same score (group 3, n = 26, 44%). The latter group significantly correlated with a present or past history of pouchitis. CONCLUSION: The study has shown that when there is a gradation of inflammation within the ileal reservoir this is more severe in distal than in proximal zones.

Adolescent↗

PubMed1991

[(Procto)colectomy with permanent ileostomy versus restorative proctocolectomy in ulcerative colitis; the past as background for the present].

In the University Hospital of Utrecht, in order to assess the value of 'restorative' proctocolectomy, the early and late complications after 'classical' (procto)colectomy with establishment of a permanent ileal stoma were evaluated retrospectively over the period 1969-1988. The inclusion criteria were: having undergone a (procto)colectomy with establishment of an ileal stoma because of pathologico-anatomically confirmed ulcerative colitis, with follow-up in the clinic mentioned. Data on the preoperative period, on the operation and on the early and late complications were collected of 101 patients. Immediately postoperative complications were encountered in 50% of the patients. Mortality was 2% in the group as a whole and 5% after emergency surgery. Late complications occurred in 62% of the patients, and in 45% of the patients they necessitated one or several reoperations. Sources of late complications included: the rectal stump left in situ, the perineal wound area, the stoma and the formation of abdominal adhesions. Classical (procto)colectomy with establishment of a permanent ileal stoma entails a large proportion of early and late postoperative complications. It is asserted that the complications at present observed after restorative proctocolectomy must not prompt a return to classical proctocolectomy as the standard surgical treatment of ulcerative colitis.

Adolescent↗

PubMed1994

Obstructing inflammatory fibroid polyp in pelvic ileal reservoir after restorative proctocolectomy in ulcerative colitis. Report of a case.

PURPOSE: This study was designed to describe clinical, endoscopic, and histopathologic features of an inflammatory fibroid polyp occurring in the pelvic ileal reservoir after restorative proctocolectomy in ulcerative colitis. METHOD: A case report describing the clinical course of such a patient is presented. RESULTS: Three years postoperatively, the patient developed diarrhea, anemia, weight loss of 10 kg, and symptoms of obstructed defecation. Ileoscopy showed pouchitis and a polypoid tumor filling the pouch. Biopsies revealed chronic inflammation without signs of malignancy. At laparotomy, a 5 cm x 3.5 cm x 3.5 cm submucosal, solid, circumscribed tumor was found within the pouch, and histopathologic examination yielded the diagnosis. The pelvic pouch was resected and replaced by a Brooke ileostomy. During 18 months of follow-up, the course has been uneventful. CONCLUSION: Inflammatory fibroid polyp is a rare, reactive, non-neoplastic lesion, which, for the first time, is reported in a pelvic ileal reservoir. It may cause pouch dysfunction. It is always benign but may masquerade as a malignant tumor.

Adult↗

PubMed1993

Stapled vs hand-sutured ileoanal anastomosis in restorative proctocolectomy. A prospective, randomized study.

A prospective, randomized study of hand-sutured (group 1, n = 19) and double-stapled (group 2, n = 21) ileoanal anastomosis was carried out in 40 consecutive patients during restorative proctocolectomy to compare complications and functional outcome. Eight patients (42%) in group 1 and 12 (57%) in group 2 had one or more complications. Four patients in group 1 and five in group 2 developed pelvic sepsis. One stapled anastomosis had to be converted to a hand-sutured one because of severe anastomotic stricture. Four patients in group 1 and eight in group 2 had no nighttime evacuations 3 months after surgery and seven patients in group 1 and 11 in group 2 had no nighttime evacuations six months after surgery. Mucous leakage occurred in two vs five patients after 6 months in groups 1 and 2, respectively. The mean resting anal pressure decreased 30% in group 1 and 28% in group 2. In conclusion, double-stapled ileoanal anastomosis does not offer any functional or technical advantage over hand-sutured anastomosis, but it does leave some of the disease behind.

Adenomatous Polyposis Coli↗

PubMed1998

Perinuclear anti-neutrophil cytoplasmic antibodies in ulcerative colitis after restorative proctocolectomy do not correlate with the presence of pouchitis.

BACKGROUND: Although perinuclear anti-neutrophil cytoplasmic antibody (p-ANCA) expression is strongly associated with ulcerative colitis, its relationship with the occurrence of pouchitis after restorative proctocolectomy is uncertain. METHODS: Serum p-ANCA was assayed using both indirect immunofluorescence and enzyme-linked immunosorbent assay (ELISA) in 49 patients, of whom 25 had, and 24 had not, developed pouchitis. Control sera were obtained from 15 healthy volunteers. RESULTS: By means of indirect immunofluorescence, p-ANCA was detected in 45.8% of patients without and in 48% with pouchitis (NS). Twenty-three (46.9%) of the 49 colitis patients were p-ANCA-positive, compared with none of the 15 controls (P < 0.01). By means of ELISA, p-ANCA positivity was present in 50% of patients without and in 68% with pouchitis (NS). CONCLUSION: Whereas p-ANCA was associated with ulcerative colitis as compared with normal individuals, it was not associated with pouchitis. Thus it is unlikely to be a suitable pre-operative marker to identify those patients who will develop pouchitis.

Adult↗