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PubMed2002

Diagnosing pouchitis: comparative validation of two scoring systems in routine follow-up.

PURPOSE: Pouchitis represents a serious threat to patients with ulcerative colitis after restorative proctocolectomy with ileal pouch-anal anastomosis. The frequency of pouchitis is high, and it implies the risk of pouch failure and the risk of malignant mucosal transformation in the pouch. Early detection and precise classification of the inflammatory process are required for adequate therapy, which might be facilitated using a scoring system. The aim of the present study was to validate two existing scoring systems in routine outpatient practice. METHOD: The Heidelberg Pouchitis Activity Score and the Pouchitis Disease Activity Index developed at the Mayo Clinic were simultaneously prospectively applied in a consecutive series of 103 outpatient consultations of 41 patients at our hospital and comparatively validated against the diagnosis of " pouchitis" or "no pouchitis" concurrently made by a physician and a surgeon. RESULTS: The median score of examinations in which the clinicians' diagnosis was consistent with pouchitis were significantly higher than those of examinations inconsistent with pouchitis in both scoring systems (Heidelberg Pouchitis Activity Score, 17 (interquartile range, 14-21) and 8 (interquartile range, 5-10), respectively, P < 0.001; Pouchitis Disease Activity Index, 7 (interquartile range, 5-8) and 2.5 (interquartile range, 1-4), respectively, P < 0.001). The sensitivity and specificity in the two total scores were 84 and 79.5 percent, respectively (Heidelberg Pouchitis Activity Score), and 60 and 96.2 percent, respectively (Pouchitis Disease Activity Index); in the field clinical manifestations 44 and 73.1 percent, respectively (Heidelberg Pouchitis Activity Score), and 20 and 87.2 percent, respectively (Pouchitis Disease Activity Index); in the field endoscopic manifestations 88 and 83.3 percent, respectively (Heidelberg Pouchitis Activity Score), and 60 and 89.7 percent, respectively (Pouchitis Disease Activity Index); and in the field histologic manifestations 72 and 76.9 percent, respectively (Heidelberg Pouchitis Activity Score), and 44 and 96.2 percent, respectively (Pouchitis Disease Activity Index). Lowering the cutoff point for diagnosis of pouchitis in the Pouchitis Disease Activity Index by 2 points (pouchitis: score >or= 5) would result in an 88 percent sensitivity and a 67 percent specificity. CONCLUSIONS: Specificity and sensitivity of the Heidelberg Pouchitis Activity Score were satisfactory. The cutoff point for diagnosing pouchitis in the Pouchitis Disease Activity Index would have to be lowered to reach an acceptable sensitivity and specificity. The very poor validity of the field clinical manifestations in diagnosing pouchitis emphasizes the need for endoscopic and histologic examination for detection of pouchitis. The issue of whether the diagnosis of pouchitis should be based on endoscopic and histologic features alone, instead of additionally taking clinical features into account, should be addressed in future studies.

Adult↗
PubMed1991

Hemodynamics in the prone jackknife position during surgery.

We examined the hemodynamic changes occurring with prone jackknife positioning during colorectal surgery. The operative procedure was restorative proctocolectomy with ileal J-pouch anal anastomosis in five patients with adenomatosis coli and six patients with ulcerative colitis and anoabdominal resection of the rectum with colonic J-pouch anal anastomosis in eight patients with rectal cancer. Nineteen patients (10 men and 9 women aged 41 +/- 19 years) were monitored with arterial and Swan-Ganz catheters during positioning. Measurements were obtained in the supine and prone positions (1 minute, 3 minutes), and the jackknife position (1, 3, 5, and 10 minutes), as well as before and after adoption of the Lloyd-Davies position (1, 3, 5, and 10 minutes). Turning the patient from the supine position to the prone position resulted in a significant decrease in the cardiac index (CI). However, following head-down rotation, the CI increased and returned to the value seen in the supine position (p less than 0.05). Heart rate (HR) slowed and mean arterial pressure (MAP) increased in the prone jackknife position. We concluded that the extent of the changes in cardiac function presented no serious problems.

Adenoma↗
PubMed2004

Relationship between gastrointestinal transit time and daily stool frequency in patients after Ileal J pouch-anal anastomosis for ulcerative colitis.

BACKGROUND: To investigate how the gastrointestinal transit function changes after ileal J pouch-anal anastomosis (IPAA) for ulcerative colitis (UC) and to study whether gastrointestinal transit time (GTT) has an influence on daily stool frequency, we investigated the relationship between GTT and stool frequency per day. METHODS: Forty patients with UC who had undergone restorative proctocolectomy, with ileostomy closure at least 48 to 120 months (mean 96.3) previously, and who had no preoperative and postoperative complications were recruited. They were divided into two groups on the basis of their stool frequency: 26 patients had a stool frequency of less than 6 times per day (group A: 16 men, 10 women; aged 15 to 59 years old, average 36.6) and 14 patients had a stool frequency of 7 or more times per day (group B: 10 men, 4 women; 24 to 56 years old, average 40.9). The GTTs using a radiopaque marker were studied. Interviews concerning the defecation states were performed at the examination. RESULTS: High nocturnal stool frequency was significantly noted more in group B than in group A (P <0.001). All cases in group A and 12 cases in group B could discriminate flatus from feces, and there were significant differences between groups A and B (P <0.05). Feeling of stool remaining was significantly noted more in group B than in group A (P <0.01). Stool consistency in group A was harder than that in group B (P <0.001). Patients with soiling were significantly noted more in group B compared with those in group A (P <0.001). Incontinence was detected in only 2 cases in group B. Group A showed a better defecation state than group B. In the GTT study, the GTT was almost the same in groups A and B. The small bowel transit, pouch transit, and whole gut transit times in group B were faster than those of group A (P <0.001). Removal length of the terminal ileum in patients after IPAA: patients in group B (13.8 +/- 3.9 cm) had significantly more ileum removed compared with patients in group A (6.3 +/- 2.4 cm; P <0.001). Regression lines in the relationship between removal length of the terminal ileum and individual stool frequency showed there was a correlation between removal length of the terminal ileum and individual stool frequency per day in direct proportion (r = 0.79, P <0.001). A resection of more ileum, up to 15 cm, plays a role in increased stool frequency. CONCLUSIONS: The present results suggested that rapid transit of both the small bowel and pouch may lead to a high stool frequency of 7 or more times per day with a poor defecation state after IPAA. It was also pointed out in this study that an important point is a resection of more ileum, up to 15 cm, plays a role in increased stool frequency.

Adolescent↗
PubMed2005

Feasibility of colectomy with mini-incision.

BACKGROUND: Laparoscopic resection has been advocated as a method of colectomy for various colon and rectal disease. One advantage claimed by laparoscopy is its smaller incision size. The aim of the present study is to evaluate whether mini-incision is feasible along with the advantage of adequate exploration of the peritoneal cavity. METHODS: From December 2000 to November 2003, 316 patients with various colorectal diseases receiving colectomies through a skin incision less than 7 cm were analyzed. All of the colectomies were performed by a single surgeon. Exploration of the entire peritoneal cavity was possible for all the cases. There were 153 men and 163 women. Ages ranged from 19 to 90 years, averaging 62.4 years. Two hundred ninety-five patients were operated on for carcinoma of the colon or rectum; 4 had operations for villous tumors with severe dysplasia; 3 each for radiation enterocolitis and diverticulitis; 2 each for malignant stromal tumor and rectal prolapse; and 1 each for lymphoma, actinomycosis, volvulus, angiodysplasia, Crohn's disease, ulcerative colitis, and ovarian cancer with rectal invasion. There were 15 abdominoperineal resections, 97 low anterior resection, 49 anterior resections, 64 sigmoidectomies, 7 left hemicolectomies, 81 right hemicolectomies, 2 subtotal colectomies, and 1 restorative proctocolectomy. No Harmonic scalpel or laser was used during surgery. No hand-port or laparoscope was used in the series. RESULTS: Five patients died of acute respiratory failure, 2 patients died of terminal cancer, and 1 patient died of hypoglycemia due to poor control of diabetes mellitus. Complications included 11 urinary tract infections, 8 intestinal obstructions, 6 anastomotic leakages, 6 wound infections, 5 respiratory failures, 5 pelvic bleedings, 2 pneumonias, 2 gastrointestinal bleedings, and 1 pancreatitis. Small incisions did not prolong operation time. CONCLUSION: This experience suggests that the majority of colectomies can be accomplished by an incision of less than 7 cm, which is no larger than the incision size used in a laparoscope colectomy if multiple incisions made for trocars are added to the main incision length. The advantages of mini-incision include lower cost, faster completion of procedure, reduced bulkiness of equipment, and the possibility of exploring the entire peritoneal cavity by hand without loss of tactile sensation.

Adult↗
PubMed2006

Lengthening of small bowel mesentery: stepladder incision technique.

The surgical option of choice in most patients with mucosal ulcerative colitis or familial adenomatous polyposis is restorative proctocolectomy with ileal pouch anal anastomosis. The tension-free anastomosis is one of the most critical steps but may be technically difficult or impossible in some patients because of shortened small bowel mesentery. Various techniques have been described to increase the length of small bowel mesentery. These techniques usually involve selective division of mesenteric blood vessels and meticulous dissection. We describe a new technique of stepladder transverse, transmesenteric incisions in the avascular windows of small bowel mesentery. This provides additional small bowel length without compromising blood supply to the pouch and a simple and safe method of increasing the length of small bowel mesentery. To date, no complications have been reported using this technique.

Colonic Diseases↗
PubMed2006

Laparoscopic rectal surgery: rectal cancer, pelvic pouch surgery, and rectal prolapse.

With the increasing popularity of minimally invasive approaches to surgery, laparoscopic techniques are being applied increasingly to more complex procedures. Surgeons who are interested in gaining skill and confidence with the techniques of rectal mobilization and resection initially should consider attempting procedures for benign disease. Patients who have rectal prolapse, who often have wide, accommodating pelvic anatomy, are the logical choice with whom to begin the laparoscopic rectal experience. Laparoscopic restorative proctocolectomy is more technically challenging. Laparoscopic proctectomy for rectal cancer probably should remain in the hands of well-trained, high-volume, experienced surgeons who have built a dedicated team for treatment of these patients, and who track their outcomes prospectively.

Colonic Pouches↗
PubMed1990

Comparison of clinical and compliance characteristics between S and W ileal reservoirs.

Ileal reservoir reconstruction has become the preferred technique for restoration of bowel continuity in most patients after colectomy for ulcerative colitis or familial adenomatous polyposis. We analyzed and compared compliance characteristics of triple-limb S and quadruple-limb W reservoir designs and correlated changes in capacity with overall function. Fifty patients underwent colectomy and reservoir construction for ulcerative colitis or familial adenomatous polyposis; 12 received S reservoirs and 38 received W reservoirs. Reservoir compliance was assessed by means of a specially designed condom catheter that continuously recorded intrareservoir pressure and changes in perfused volume. During reservoir infusion, volumes and pressures at initial fullness, normal sensation of evacuation, and maximum tolerated volume were noted. Studies were performed at 2 and 12 months after ileostomy takedown. An increase in normal evacuation volume from 218 +/- 9 mL to 310 +/- 12 mL between 2 and 12 months (p less than or equal to 0.05) was observed in patients with W reservoirs. Similar changes were recorded in S reservoir reconstructions (201 +/- 14 mL to 291 +/- 22 mL, p less than or equal to 0.05). No significant differences were observed in the mean pressure at normal evacuation volume between the S and W groups at 2 and 12 months. The 24-hour stool frequency decreased an average of 3 per day for both reservoir designs between the 2- and 12-month study period (p less than or equal to 0.05). This frequency was most directly predicted by normal evacuation volume (r = 0.90 for W and 0.88 for S). The decrease in stool frequency correlated with increased reservoir compliance, as shown by larger tolerated volumes at similar pressures. Restorative proctocolectomies with S or modified W reservoirs are both acceptable alternatives and demonstrate similar compliance characteristics and functional results.

Adenomatous Polyposis Coli↗
PubMed2006

Colectomy with ileorectal anastomosis preserves female fertility in ulcerative colitis.

OBJECTIVES: Restorative proctocolectomy with ileoanal anastomosis (IPAA) is the surgical standard for patients with ulcerative colitis (UC). Significant reduction in female fertility and fecundity after IPAA has been shown in recent studies. In selected cases, colectomy with ileorectal anastomosis (IRA) is another surgical option. The aim of this study was to evaluate fertility in women with UC who underwent IRA. PATIENTS AND METHODS: This study included all women with UC who underwent IRA between 1962 and 1999 and who were 40 years old or younger at the time of surgery, and older than 18 years of age at the time of the interview. Data were collected using a structured telephone interview concerning reproductive behavior and waiting times to pregnancy. RESULTS: Among 40 eligible patients, 37 whose mean age at IRA was 28 years (range 11-39) answered the questionnaire. Twenty-two were unmarried, not wishful of pregnancy and/or already had children. Among 15 females wishing children after IRA, 10 (66%) became pregnant: one had therapeutic abortion, two had a miscarriage, four had 1 child, two had 2 children and one had 4 children. Five patients were sterile after IRA. CONCLUSION: These preliminary results suggest that IRA for UC preserves female fertility. If confirmed in other series this information should be provided to young women with UC before deciding surgical option.

Adult↗
PubMed2000

Study populations and casemix: influence on analysis of postoperative outcomes.

BACKGROUND: The importance of patient casemix as a determinant of surgical outcome is now being recognized. The present study was undertaken in order to compare the presentation and outcomes in colorectal patients managed surgically by the same surgeon, in the same way, in different settings. METHODS: Colorectal outcome data from the University Department of Surgery in Wellington and the King Faisal Specialist Hospital in Riyadh were analysed in order to determine casemix differences between the two hospitals. Data relating to the type of surgery, the surgeon, the patient's disease, the operation performed and the postoperative complications were compared. Specific colorectal clinical indicators were compared for two commonly performed operations for rectal cancer: anterior resection and abdomino-perineal resection of the rectum. RESULTS: Wellington patients were slightly older and there were more females. Emergency surgery was more frequent in Wellington. Left hemicolectomy, sigmoid colectomy, abscess drainage and pilonidal surgery were more common in Wellington whereas abdomino-perineal resection and anterior resection of the rectum, stoma closure, fistula surgery, seton insertion, restorative proctocolectomy and ileostomy were undertaken more frequently in Riyadh. More complex anal fistulas were managed in Riyadh. Condylomata accuminata, pilonidal abscess, anorectal abscess, rectal prolapse and diverticular disease were rarely seen in Riyadh. There were more postoperative pulmonary and cardiac complications in Wellington. Patients having anterior resection of the rectum were younger in Riyadh and there were proportionally more females. There were some obvious numerical outcome differences in postoperative atelectasis, wound infection, anastomotic leak and deep vein thrombosis rates but none of these reached statistical significance except atelectasis. In Riyadh the usual male-to-female ratio of patients undergoing abdomino-perineal resection was reversed but, again, none of the numerical outcome differences observed reached statistical significance except postoperative atelectasis and intraabdominal abscess. CONCLUSION: Although not statistically significant, the results of the present study suggest that when the same surgeon operates using the same technique in different communities, the outcomes may be different. Care should thus be taken when comparing different populations with different casemixes before definitive conclusions are made in comparative studies.

Adult↗
PubMed2000

Ileorectal anastomosis is appropriate for a subset of patients with familial adenomatous polyposis.

BACKGROUND & AIMS: This study reevaluates the risk of rectal cancer and the frequency of subsequent proctectomy for nonmalignant causes in patients with familial adenomatous polyposis (FAP) who have undergone colectomy with ileorectal anastomosis (IRA). Potential risk factors for rectal cancer in this setting are also examined, and recommendations for the choice of surgical procedure are made. METHODS: The national polyposis registries in Denmark, Finland, The Netherlands, and Sweden included 659 patients undergoing surgery with IRA in 1940-1997. Kaplan-Meier analysis and Cox regression analysis were performed to evaluate cumulative risk, survival, and predictive risk factors. RESULTS: Rectal carcinoma was diagnosed in 47 patients, with a cumulative 40-year risk of 0.32. The cumulative risk according to chronologic age was 0.30 at age 60, and higher in patients undergoing surgery above age 25 (P = 0.0016). Chronologic age was the only independent risk factor (P = 0.0016). The cumulative 5-year survival rate after rectal carcinoma was 0.60. The apc mutation was known in 167 patients, of whom 7 had rectal cancer. The cumulative 40-year risk of secondary proctectomy was 0.70, and higher in patients with a mutation in codon 1250-1500 than outside this region (P = 0.005). However, all 7 rectal cancers were found in the latter group. None of the 18 patients with attenuated FAP (mutation in codon 0-200 or >1500) had a secondary proctectomy. CONCLUSIONS: IRA is recommended in (1) young patients with few rectal adenomas and a family history of a mild phenotype and (2) patients with attenuated FAP (a mutation in codon 0-200 or >1500), provided there is acceptance of life-long rectal surveillance. Patients with many rectal polyps and/or a family history of severe polyposis should be offered a restorative proctocolectomy with an ileal pouch-anal anastomosis.

Adenoma↗
PubMed2000

Impact of screening examinations on survival in familial adenomatous polyposis.

BACKGROUND: Prophylactic family screening and surgery has improved the outcome of patients with familial adenomatous polyposis (FAP) largely preventing deaths due to colorectal cancer. The present study compared the mortality rates and causes of death of FAP patients diagnosed by symptoms (probands) or by family screening (call-up). METHODS: The study comprised all 236 FAP patients registered in the Finnish Polyposis Registry until the end of June 1998. There were 116 probands and 120 call-up patients with a median age of 36.8 and 22.8 at diagnosis and median follow-up times of 6.3 and 9.9 years, respectively. Cumulative crude and relative survival estimates were calculated for each group and the causes of death were determined. RESULTS: The life expectancy was significantly better in the call-up group than in the probands after colectomy (P < 0.001). The survival rates of the call-up group equaled those expected for a comparable group in the general population up to 18 years after colectomy. The main cause of death was colorectal cancer accounting for 54 out of 68 deaths: four in the call-up group (all rectal stump cancer) and 50 in probands. Upper GI-tract cancer caused four deaths (periampullary cancer two, stomach cancer two) and two deaths were due to postoperative pulmonary embolism. CONCLUSION: The survival of FAP patients is significantly improved by prophylactic screening and surgery. Further improvement may be possible by using restorative proctocolectomy instead of colectomy and ileorectal anastomosis and by regular upper GI-tract endoscopic surveillance.

Adenomatous Polyposis Coli↗
PubMed2003

Patients with extraintestinal manifestations have a higher risk of developing pouchitis in ulcerative colitis: multivariate analysis.

BACKGROUND: Restorative proctocolectomy and ileal pouch-anal anastomosis (IPAA) have been the surgical treatments of choice for ulcerative colitis (UC). However, the IPAA is sometimes complicated with pouchitis. Furthermore, the cumulative risk and risk factors for developing pouchitis in patients with UC undergoing IPAA have not been reported in any Asian population. The aim of our study is to clarify the cumulative risk and risk factors for developing pouchitis in Japanese patients with UC undergoing IPAA. METHODS: Fifty-eight patients with UC undergoing IPAA were retrospectively evaluated for the presence of pouchitis, gender, age of onset, history of smoking, presence of extraintestinal manifestations (EIMs) and type of operation. The diagnosis of pouchitis was based on the pouchitis disease activity index. The cumulative risk and risk factors for developing pouchitis were assessed. RESULTS: The cumulative risks for developing pouchitis at 1 and 5 years were 9.0% and 14.4%, respectively. The estimated risks of pouchitis at 5 years was 48.1% in patients with EIMs and 4.6% in those without. Both univariate and multivariate analyses revealed that the presence of EIMs is a significant risk factor (hazard ratio 16.85, 95% confidence interval 3.12-91.00; P=0.001). CONCLUSIONS: The presence of EIMs is a significant risk factor for the development of pouchitis in Japanese patients with UC undergoing IPAA.

Colitis, Ulcerative↗
PubMed1999

Surgical treatment of inflammatory bowel disease.

Although laparotomy with resection remains the treatment of choice for most patients who require surgery for intestinal Crohn's disease, mounting evidence supports the safety and efficacy of less traditional approaches and procedures (ie, laparoscopy, stricture-plasty). In contrast to the approach to intestinal disease, many centers are advocating a more aggressive operative approach to perianal Crohn's disease. Over the past few years, restorative proctocolectomy with ileal pouch-anal anastomosis has emerged as the operation of choice for most patients requiring surgery for ulcerative colitis. As experience with the operation grows, patient selection, technical features, and management of postoperative complications are being more clearly defined and optimized.

Journal Article↗
PubMed1984

Ileoanal reservoir: functional results and management.

Restorative proctocolectomy with ileoanal reservoir is an alternative to Brooke ileostomy. This study of 56 patients emphasizes functional results and management of the loop ileostomy, transient incontinence, frequency of bowel function, constipation, perianal skin, and psychosocial issues.

Anal Canal↗
PubMed1997

Outpatient bowel preparation for elective colon resection.

To determine the safety and cost-effectiveness of outpatient preoperative bowel preparation with polyethylene glycol-electrolyte lavage solution, we retrospectively analyzed 726 cases of colectomy done by colon and rectal surgeons between July 1987 and July 1991. Included were 319 patients who had elective segmental or total abdominal colectomy with primary anastomosis. Patients who required protective proximal stoma were excluded. Patients requiring emergency surgery, colostomy closure, and restorative proctocolectomy were excluded. Patients were separated into two groups equally matched by age, sex, procedure done, and comorbidity: 145 had bowel preparation as outpatients and 174 as inpatients. Both groups had similar numbers of days hospitalized, days receiving nothing by mouth, and days requiring nasogastric intubation or gastrostomy tube, as well as similar postoperative complications. There was one wound infection, one anastomotic leak, and one death in each group. Cost of outpatient preparation was approximately $40. Cost of inpatient preparation, including a semiprivate room, was approximately $400. Outpatient preparation with polyethylene glycol-electrolyte lavage solution and oral antibiotics before elective colon resection can be done with equivalent safety and at a substantial cost savings.

Adult↗
PubMed1995

Circulating soluble adhesion molecules in inflammatory bowel disease.

OBJECTIVE: To determine levels of soluble forms of the cell adhesion molecules (CAM), ICAM-1, E-Selectin and VCAM-1 in relation to prevalence, treatment and disease activity in inflammatory bowel disease. PATIENTS AND METHODS: Plasma was obtained from patients with ulcerative colitis (n = 49), patients with ulcerative colitis who had undergone restorative proctocolectomy (n = 32, eight of whom had a clinical pouchitis), Crohn's disease patients (n = 34) and 24 healthy controls. RESULTS: Plasma soluble ICAM-1 levels [medians (ranges in ng/ml)] were significantly higher in patients with active ulcerative colitis [270 (90-510)], pouchitis [415 (310-670)] and active Crohn's disease [305 (200-630)] than in those with inactive ulcerative colitis [225 (140-425), P = 0.031], non-inflamed ileoanal pouch [260 (140-380), P = 0.0004] and inactive Crohn's disease [245 (90-520), P = 0.045], respectively, and controls. The soluble E-Selectin levels were also significantly higher in patients with active ulcerative colitis [55 (40-140)], pouchitis [90 (45-145)], and active Crohn's disease [78 (30-115)] than in those with inactive ulcerative colitis [45 (20-80, P = 0.003], non-inflamed ileoanal pouch [45 (20-90), P = 0.001] and inactive Crohn's disease [48 (25-90, P = 0.020], respectively, and controls. CONCLUSIONS: The present study suggests that increased levels of soluble ICAM-1 and soluble E-Selectin occur during active inflammatory bowel disease and pouchitis, which may be used as sensitive markers of continuing inflammation.

Adult↗
PubMed1996

Genetic and immunological markers in pouchitis.

OBJECTIVES: Previous studies of the interleukin-1 receptor antagonist (IL-1RN) have found an increased frequency of the associated variable number tandem repeat (VNTR) allele 2 for ulcerative colitis (UC) and further evidence has been reported that this allele is associated with increased severity of several other inflammatory conditions. The HLA type of UC patients has also been implicated in the extent of disease as has the presence of perinuclear anti-neutrophil cytoplasmic antibodies (p-ANCA). We therefore decided to test the hypothesis that the p-ANCA, HLA type or the presence of the IL-1RN allele 2 in patients who received a restorative proctocolectomy for UC had an effect on the risk of developing pouchitis. PATIENTS: We determined the genotypes of the IL-1RN and HLA DR beta and DQ beta loci for 28 subjects with previous UC and a pouch with no evidence of pouchitis for a minimum of 2 years after formation of an ileo-anal reservoir (mean 6.3 years; range 2-17 years) and 25 subjects with previous UC and pouchitis confirmed by strict histological examination of pouch mucosal biopsy. The IL-1RN genotypes were also determined for 86 healthy controls and 61 unrelated patients with familial adenomatous polyposis (FAP). The p-ANCA status was determined for all 25 pouchitis subjects but only 23/28 non-pouchitis subjects, with 15 unaffected subjects as a negative control. METHODS: The HLA haplotypes of the UC groups were determined by polymerase chain reaction sequence-specific primer (PCR-SSP) typing and the IL-1RN genotypes were determined by PCR and agarose gel electrophoresis. The p-ANCA status was determined by indirect immunofluorescence. RESULTS: A chi 2 of 5.686 with 1 degree of freedom and a P value of 0.0171 using Yates' correction was obtained by comparing the IL-1RN allele frequencies of the combined UC groups to the FAP controls, and a chi 2 of 6.801 with 1 degree of freedom and a P value of 0.0091 comparing the pouchitis group to the FAP controls. The HLA haplotype frequencies did not vary significantly between groups nor did they correlate with p-ANCA status. There were also no significant associations of the p-ANCA status and pouchitis. CONCLUSION: There is an increased frequency of IL-1RN allele 2 in UC, with the majority of the association arising from the pouchitis group, suggesting that the presence of allele 2 in patients with UC affects the disease outcome. However, the HLA frequencies and p-ANCA status do not have any significant associations.

Adult↗
PubMedDate not supplied

Prevention and management of ileostomy complications.

In spite of multiple advances in surgical techniques such as restorative proctocolectomy and pelvic pouch surgery, the creation of a satisfactory ileal stoma and the proper management of ileostomy complications are often overlooked. This article summarizes important principles of surgical techniques in the construction of ileostomy and care of the ileostomy and its complications. The key to management of many complications is prevention.

Humans↗