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Benlice C, Shen B, Steele SR. Prevention and Medical Treatment of Pouchitis In Ulcerative Colitis. Curr Drug Targets 2020; 20:1399-1408. [PMID: 31333137 DOI: 10.2174/1389450120666190723130137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/04/2019] [Accepted: 06/12/2019] [Indexed: 01/10/2023]
Abstract
Approximately 50% of patients who have undergone IPAA surgery for Ulcerative Colitis (UC) develop at least 1 episode of pouchitis. Patients with pouchitis have a wide range of symptoms, endoscopic and histologic features, disease course, and prognosis. To date, there are no universally accepted diagnostic criteria in terms of endoscopy and histology; though, semi-objective assessments to diagnose pouchitis in patients with ileal pouch- anal anastomosis (IPAA) have been proposed using composite scores such as the Pouchitis Triad, Heidelberg Pouchitis Activity Score and Pouchitis Disease Activity Index (PDAI). In a systematic review that included four randomized trials evaluating five agents for the treatment of acute pouchitis, ciprofloxacin was more effective at inducing remission as compared with metronidazole. Rifaximin was not more effective than placebo, while budesonide enemas and metronidazole were similarly effective for inducing remission of acute pouchitis. Patients with pouchitis relapsing more than three times per year are advised maintenance therapy, and guidelines recommend ciprofloxacin or the probiotic VSL#3. In patients with antibiotic-refractory pouchitis, secondary factors associated with an antibiotic-refractory course should be sought and treated. In this review, we will discuss the prevention and management of pouchitis in Ulcerative Colitis patients.
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Affiliation(s)
- Cigdem Benlice
- Desk A-30, Department of Colorectal Surgery, Digestive Disease Institute Cleveland Clinic, 9500 Euclid Ave. Cleveland, OH 44195, USA
| | - Bo Shen
- Desk A-30, Department of Colorectal Surgery, Digestive Disease Institute Cleveland Clinic, 9500 Euclid Ave. Cleveland, OH 44195, USA
| | - Scott R Steele
- Desk A-30, Department of Colorectal Surgery, Digestive Disease Institute Cleveland Clinic, 9500 Euclid Ave. Cleveland, OH 44195, USA
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Ikeuchi H, Uchino M, Sugita A, Futami K, Fukushima K, Hata K, Koganei K, Kusunoki M, Uchida K, Nezu R, Kimura H, Takahashi K, Itabashi M, Kameyama H, Higashi D, Koyama F, Ueda T, Mizushima T, Suzuki Y. Long-term outcomes following restorative proctocolectomy ileal pouch-anal anastomosis in pediatric ulcerative colitis patients: Multicenter national study in Japan. Ann Gastroenterol Surg 2018; 2:428-433. [PMID: 30460346 PMCID: PMC6236100 DOI: 10.1002/ags3.12198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/02/2018] [Accepted: 07/04/2018] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Few studies have investigated surgical outcomes following a colectomy in pediatric patients with ulcerative colitis (UC). PURPOSE This study aimed to determine long-term outcomes in a large cohort of pediatric patients who underwent proctocolectomy with ileal pouch-anal anastomosis (IPAA) for UC. METHODS Pediatric patients (<17 years old) who underwent surgery at 12 different hospitals in Japan between May 1979 and March 2015 were included in this study. Information was obtained by the use of a questionnaire survey. RESULTS There were 113 (53.3%) male and 99 (46.7%) female pediatric patients. The most common indication for elective surgery was failure of medical management, whereas emergency surgery was carried out for fulminant cases. A hand-sewn IPAA was used with a mucosectomy in 112 (52.8%), stapled anastomosis in 93 (43.9%), and not specified in 7 (3.3%) patients. Small bowel obstruction and surgical site infection were the most frequent early postoperative complications (POC), whereas pouchitis, small bowel obstruction, and perianal fistula were frequent late POC. The most common late POC was pouchitis, found in 38 (17.9%) of the patients, whereas pouch failure was noted in 11 patients at the latest follow-up examination. Cumulative pouch survival rate after 10 years was 91.7%. There were no significant differences regarding gender or anastomotic procedure in relation to cumulative pouch survival rate. CONCLUSION To avoid pouch failure following an IPAA procedure, it is important to recognize that pouchitis or an anal fistula may lead to this condition in pediatric UC patients.
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Affiliation(s)
- Hiroki Ikeuchi
- Department of Inflammatory Bowel Disease SurgeryHyogo College of MedicineNishinomiyaHyogoJapan
| | - Motoi Uchino
- Department of Inflammatory Bowel Disease SurgeryHyogo College of MedicineNishinomiyaHyogoJapan
| | - Akira Sugita
- Department of Inflammatory Bowel DiseaseYokohama Municipal Citizen's HospitalYokohamaKanagawaJapan
| | - Kitaro Futami
- Department of SurgeryFukuoka University Chikushi HospitalChikushino, FukuokaJapan
| | - Kouhei Fukushima
- Department of Surgical and Molecular PathophysiologyTohoku University Graduate School of MedicineSendaiMiyagiJapan
| | - Keisuke Hata
- Department of Surgical OncologyThe University of TokyoTokyoJapan
| | - Kazutaka Koganei
- Department of Inflammatory Bowel DiseaseYokohama Municipal Citizen's HospitalYokohamaKanagawaJapan
| | - Masato Kusunoki
- Department of Gastrointestinal and Pediatric SurgeryMie University Graduate School of MedicineTsuMieJapan
| | - Keiichi Uchida
- Department of Gastrointestinal and Pediatric SurgeryMie University Graduate School of MedicineTsuMieJapan
| | - Riichiro Nezu
- Department of SurgeryNishinomiya Municipal Center HospitalNishinomiyaHyogoJapan
| | - Hideaki Kimura
- Inflammatory Bowel Disease CenterYokohama City University Medical CenterYokohamaKanagawaJapan
| | | | - Michio Itabashi
- Institute of GastroenterologyTokyo Women's Medical University HospitalTokyoJapan
| | - Hitoshi Kameyama
- Division of Digestive and General SurgeryNiigata UniversityNiigataJapan
| | - Daijiro Higashi
- Department of SurgeryFukuoka University Chikushi HospitalChikushino, FukuokaJapan
| | - Fumikazu Koyama
- Department of SurgeryNara Medical UniversityKashihara, NaraJapan
| | - Takeshi Ueda
- Department of SurgeryNara Medical UniversityKashihara, NaraJapan
| | - Tsunekazu Mizushima
- Department of Therapeutics for Inflammatory Bowel DiseasesOsaka University Graduate School of MedicineSuita, OsakaJapan
| | - Yasuo Suzuki
- Department of Internal MedicineToho University Sakura Medical CenterSakuraChibaJapan
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Khan N, Cole E, Shah Y, Paulson EC. Segmental resection is a safe oncological alternative to total proctocolectomy in elderly patients with ulcerative colitis and malignancy. Colorectal Dis 2017; 19:1108-1116. [PMID: 28498617 DOI: 10.1111/codi.13721] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 03/20/2017] [Indexed: 01/09/2023]
Abstract
AIM The standard approach for the surgical management of colorectal cancer (CRC) in the setting of ulcerative colitis (UC) involves total proctocolectomy (TPC). However, some patients also undergo a partial resection (PR). This may be an attractive option in older patients with a high risk for surgery. The aim of this study was to compare the risk of metachronous cancer after PR or TPC for CRC in the setting of UC. METHOD This was a retrospective cohort study conducted through the Nationwide Veterans Affairs Healthcare System (VA). Patients who had UC and underwent a PR or TPC for CRC were followed from the time of their surgery to their most recent clinical follow-up. The primary outcome was development of metachronous cancer in the PR group. Secondary outcomes included surgical and medical outcomes. RESULTS Fifty-nine patients were included: 24 (40.7%) underwent PR and 35 (59.3%) underwent TPC. The median age at cancer diagnosis was 73.0 and 61.7 years in PR and TPC groups, respectively (P < 0.0005). Amongst patients undergoing PR, 15 (60%) had no active UC at the time of surgery, whereas in patients undergoing TPC, at the time of surgery eight (23.5%) had no active UC (P = 0.005). No patient who underwent a partial colectomy developed a metachronous cancer in the retained colonic segment during the follow-up period (median 7 years). CONCLUSION Our study suggests that PR for CRC in the setting of UC may be a viable option in a selected cohort of patients, especially among the elderly.
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Affiliation(s)
- N Khan
- Section of Gastroenterology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.,Section of Gastroenterology, VA Medical Center, Philadelphia, Pennsylvania, USA
| | - E Cole
- Department of Pediatrics, Children's Hospital of Pittsburgh, UPMC, Pittsburg, Pennsylvania, USA
| | - Y Shah
- Section of Gastroenterology, VA Medical Center, Philadelphia, Pennsylvania, USA
| | - E C Paulson
- Section of Surgery, VA Medical Center, Philadelphia, Pennsylvania, USA
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Gleaning Insights from Fecal Microbiota Transplantation and Probiotic Studies for the Rational Design of Combination Microbial Therapies. Clin Microbiol Rev 2017; 30:191-231. [PMID: 27856521 DOI: 10.1128/cmr.00049-16] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Beneficial microorganisms hold promise for the treatment of numerous gastrointestinal diseases. The transfer of whole microbiota via fecal transplantation has already been shown to ameliorate the severity of diseases such as Clostridium difficile infection, inflammatory bowel disease, and others. However, the exact mechanisms of fecal microbiota transplant efficacy and the particular strains conferring this benefit are still unclear. Rationally designed combinations of microbial preparations may enable more efficient and effective treatment approaches tailored to particular diseases. Here we use an infectious disease, C. difficile infection, and an inflammatory disorder, the inflammatory bowel disease ulcerative colitis, as examples to facilitate the discussion of how microbial therapy might be rationally designed for specific gastrointestinal diseases. Fecal microbiota transplantation has already shown some efficacy in the treatment of both these disorders; detailed comparisons of studies evaluating commensal and probiotic organisms in the context of these disparate gastrointestinal diseases may shed light on potential protective mechanisms and elucidate how future microbial therapies can be tailored to particular diseases.
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Shannon A, Eng K, Kay M, Blanchard S, Wyllie R, Mahajan L, Worley S, Lavery I, Fazio V. Long-term follow up of ileal pouch anal anastomosis in a large cohort of pediatric and young adult patients with ulcerative colitis. J Pediatr Surg 2016; 51:1181-6. [PMID: 26876089 DOI: 10.1016/j.jpedsurg.2015.12.012] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Revised: 12/28/2015] [Accepted: 12/30/2015] [Indexed: 12/16/2022]
Abstract
AIM The study's aim is to determine long-term outcomes in a large cohort of pediatric and young adult patients who underwent proctocolectomy with ileal pouch anal anastomsis (IPAA) for ulcerative colitis (UC). METHODS Patients diagnosed with UC in childhood or adolescence (age≤21years) who underwent IPAA in childhood, adolescence, or young adulthood between 1982 and 1997 were contacted to determine pouch history, complications, and quality of life. RESULTS Data were obtained from 74 patients out of a previously reported cohort. Median age at diagnosis of UC was 15years and at surgery was 18years. Median follow-up was 20years. Complications during follow-up were pouchitis (45%), strictures (16%), fistulae (30%), obstruction (20%), and change of diagnosis to Crohn's (28%). Twenty-three percent reported no complications. Fourteen percent had pouch failure, with Crohn's and fistulae reported to be the most frequent complications. Seventy-nine percent reported being very satisfied at 20years follow-up. CONCLUSION To our knowledge, this study represents the largest cohort with the longest follow-up of pediatric and young adult patients undergoing IPAA for UC. Change in diagnosis to Crohn's and development of fistulae are risk factors for pouch failure. Despite reported complications, IPAA remains an excellent option for pediatric patients with UC.
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Affiliation(s)
- Angela Shannon
- Department of Pediatric Gastroenterology, Cleveland Clinic, Cleveland, OH
| | - Katharine Eng
- Department of Pediatric Gastroenterology, Cleveland Clinic, Cleveland, OH
| | - Marsha Kay
- Department of Pediatric Gastroenterology, Cleveland Clinic, Cleveland, OH
| | | | - Robert Wyllie
- Department of Pediatric Gastroenterology, Cleveland Clinic, Cleveland, OH
| | - Lori Mahajan
- Department of Pediatric Gastroenterology, Cleveland Clinic, Cleveland, OH
| | - Sarah Worley
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, OH
| | - Ian Lavery
- Department of Colorectal Surgery, Cleveland Clinic, Cleveland, OH
| | - Victor Fazio
- Department of Colorectal Surgery, Cleveland Clinic, Cleveland, OH
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Abstract
Ulcerative colitis (UC) is a chronic inflammatory condition that is variable in both extent and severity of disease as well as response to therapy. Corticosteroids (CSs) were the first drugs used in the management of UC and are still used for induction of remission. However, because of their extensive side-effect profile, they are not utilized for maintenance of remission. In view of this, CS-free remission has become an important end point while evaluating therapeutic agents used in the management of UC. This review highlights the results of various studies conducted to evaluate the efficacy of different medications to attain CS-free remission in the setting of active UC. The drugs reviewed include established agents such as thiopurines, methotrexate, infliximab, adalimumab, vedolizumab, golimumab, and newer experimental agents, and if all else fails, colectomy will be performed. The efficacy of these drugs is evaluated individually. Our aim is to provide a synopsis of the work done in this field to date.
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Affiliation(s)
- Hafiz M Waqas Khan
- Department of Medicine, King Edward Medical University, Lahore, Pakistan
| | - Faisal Mehmood
- Department of Medicine, King Edward Medical University, Lahore, Pakistan
| | - Nabeel Khan
- Section of Gastroenterology, University of Pennsylvania Perelman School of Medicine, Philadelphia VA Medical Center, Philadelphia, PA, USA
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Abstract
Data about the effectiveness of biologics, including anti-tumor necrosis factor (TNF) therapy and anti-integrin strategies, in antibiotic refractory pouchitis or Crohn's disease-associated pouch complications are sparse. We performed a systematic review of the literature in Medline and Web of Science. All English language publications and meeting abstracts describing patients with pouchitis treated with anti-TNF or anti-integrin therapies were included. We identified a total of 17 papers and 2 abstracts, most of these retrospective case series, including a total of 192 patients treated either with infliximab (n=140) or adalimumab (n=52). No reports were found for anti-integrin therapies or other anti-TNF agents such as certolizumab pegol or golimumab. Because of the heterogeneity of the studies, small numbers of patients, differing cotreatments, and subjective outcome definitions, the exact efficacy of these biological therapies cannot be assessed in a combined fashion. Overall infliximab appears to have good clinical effectiveness in selected patients achieving up to 80% short-term and around 50% long-term response, whereas the few data available for adalimumab are not sufficient to draw valid conclusions. Larger prospectively collected multicenter data with clearly defined inclusion criteria and outcomes are necessary to better define the clinical value of anti-TNF therapy in patients with antibiotic refractory pouchitis or Crohn's-like complications of the pouch.
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Abstract
Clostridium difficile infection (CDI) after total colectomy has been increasingly recognized over the past decade. C. difficile enteritis (CDE) is a rare occurrence, whereas C. difficile pouchitis (CDP) has been reported in approximately 10% of symptomatic patients seen at a referral center for pouch dysfunction. Similar to colonic CDI in the general population, antibiotic use and comorbid diseases may be risk factors for CDE. In contrast, the postoperative use of antibiotics does not seem to be associated with CDP, whereas male gender, recent hospitalization, and presurgery antibiotic use were shown to be risk factors for CDP. C. difficile is capable of colonizing all intestinal sites, including the ileal pouch. Similarities with the colon at physiological and cellular levels may contribute to the susceptibility of the ileal pouch to CDI. Postcolectomy CDI likely represents a disease spectrum from asymptomatic colonization to severe symptomatic infection. CDI should be considered in ostomy patients with fever and increased ileostomy output and in ileal pouch patients with a change in "normal" symptom pattern or chronic antibiotic-refractory pouchitis. Sensitive and specific methods for detection of CDI are available, and endoscopy is useful in evaluating the patient with suspected CDE or CDP, although pseudomembranes are typically absent. Vancomycin is used as the first-line therapy for CDP and may be warranted for patients with inflammatory bowel disease with CDE. Fecal microbiota transplantation has found its use in the management of severe or antibiotic refractory CDP, but this approach requires evaluation for the management of refractory CDE.
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Seril DN, Shen B. Clostridium difficile infection in patients with ileal pouches. Am J Gastroenterol 2014; 109:941-7. [PMID: 24989088 DOI: 10.1038/ajg.2014.22] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 01/06/2014] [Indexed: 02/06/2023]
Abstract
Clostridium difficile (C. difficile) infection (CDI) following total proctocolectomy and ileal pouch-anal anastomosis has been increasingly recognized over the past 5 years. CDI of the ileal pouch has been recognized in ∼10% of symptomatic patients seen at a tertiary referral center for pouch dysfunction. In contrast to colonic CDI in the general population or in patients with inflammatory bowel disease, postoperative antibiotic exposure and the use of immunosuppressive agents or proton pump inhibitors do not appear to be associated with CDI of the pouch. Male gender, recent hospitalization, and presurgery antibiotic use were shown to be risk factors for ileal pouch CDI. The ileal pouch may be susceptible to CDI owing to similarities with the colon at physiological and structural levels. Postcolectomy CDI likely represents a spectrum of disease processes, varying from asymptomatic colonization to severe symptomatic infection. CDI should be considered in any patient with an ileal pouch presenting with a change in "normal" symptom pattern or treatment-refractory disease. Sensitive and specific methods for the detection of CDI are available, and pouchoscopy is a valuable tool in the evaluation of the patient with symptomatic CDI of the pouch. At a referral center for pouch dysfunction, vancomycin is used as the first-line therapy for ileal pouch CDI. Fecal microbiota transplantation may find use in the management of severe or antibiotic refractory CDI-related pouchitis.
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Affiliation(s)
- Darren N Seril
- Department of Gastroenterology/Hepatology, Digestive Disease Institute, The Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Bo Shen
- Department of Gastroenterology/Hepatology, Digestive Disease Institute, The Cleveland Clinic Foundation, Cleveland, Ohio, USA
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Wasserman M, Hyman N, Iyer A, Wilcox R, Osler T. The natural history of anal transition zone inflammation and possible relationship to pouchitis: a long-term longitudinal study. Colorectal Dis 2013; 15:1493-8. [PMID: 23777389 DOI: 10.1111/codi.12322] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 03/21/2013] [Indexed: 12/21/2022]
Abstract
AIM Reservoir ileitis (pouchitis) is the most common complication after pelvic pouch surgery for ulcerative colitis and the aetiology remains largely unknown. The anal transition zone (ATZ) contains the only remaining colonic epithelium after ileal pouch anal anastomosis (IPAA) and may provide important clues as to whether ulcerative colitis and pouchitis share a common pathogenesis. The aim of this study was to evaluate longitudinally the long-term histological changes in the ATZ and their relationship to the incidence of pouchitis. METHOD Patients with a double-stapled IPAA for ulcerative colitis at an academic medical centre with at least 10 years of clinical and histological follow-up were identified from a prospective database. Annual ATZ and pouch biopsies were taken and interpreted by two expert gastrointestinal pathologists. ATZ histological variability score, the incidence of pouchitis, and function were correlated over time. ATZ biopsies were scored from one to three based on the extent of inflammation. RESULTS Sixteen of the 114 patients having IPAA fulfilled the criteria for admission to the study. There were 179 biopsies of the ATZ. All exhibited variability in ATZ histology over time and 81% had a 2-unit change in their inflammatory score. There was no correlation between pouchitis and histological severity score of the ATZ. Similarly, function over time did not vary with the intensity of ATZ inflammation. CONCLUSION ATZ inflammation varies substantially over time in most patients. But these changes from year to year did not correlate with function or the occurrence of pouchitis.
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Affiliation(s)
- M Wasserman
- Department of Surgery, University of Vermont College of Medicine, Burlington, VT, USA
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Weinstein S, Osei-Bonsu S, Aslam R, Yee J. Multidetector CT of the Postoperative Colon: Review of Normal Appearances and Common Complications. Radiographics 2013; 33:515-32. [DOI: 10.1148/rg.332125723] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Hashavia E, Dotan I, Rabau M, Klausner JM, Halpern Z, Tulchinsky H. Risk factors for chronic pouchitis after ileal pouch-anal anastomosis: a prospective cohort study. Colorectal Dis 2012; 14:1365-71. [PMID: 22339717 DOI: 10.1111/j.1463-1318.2012.02993.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
AIM The association between various demographic, clinical and pathological parameters and the evolution of chronic pouchitis was evaluated. METHOD All ulcerative colitis patients who underwent ileal pouch anal anastomosis (1981-2009) were followed prospectively in a comprehensive pouch clinic. We examined risk factors including the presence of appendiceal inflammation and backwash ileitis in the colonic specimen, gender, ethnicity, age at disease onset, disease duration, extent of colitis, presence of extraintestinal manifestations (e.g. primary sclerosing cholangitis), family history of inflammatory bowel disease, indication for surgery, medical treatment, age at operation, staged procedure, diverting ileostomy and length of follow-up. Univariate analysis was performed on all risk factors followed by logistic regression analysis. RESULTS The 201 enrolled patients (106 women, age at surgery 35 ± 15 years) were followed for a mean of 108 months. One hundred and thirty-eight (69%) had either a normal pouch or episodes of acute pouchitis and 63 (31%) developed chronic pouchitis. On univariate analysis the presence of an ileostomy (P = 0.017), pancolitis (P = 0.008), shorter disease duration (P = 0.04) and longer follow-up (P = 0.01) were identified as risk factors for chronic pouchitis. Multivariate analysis showed that patients with pancolitis (OR 3.26, 95% CI 1.20-8.85) and longer follow-up (OR 1.09, 95% CI 1.01-1.18) were more likely to develop chronic pouchitis. There was also an association to disease duration but this did not reach a level of significance. CONCLUSIONS Pancolitis and longer follow-up are directly related to the development of chronic pouchitis.
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Affiliation(s)
- E Hashavia
- Comprehensive Pouch Clinic IBD Center, Department of Gastroenterology and Liver Diseases Proctology Unit, Department of Surgery, Tel-Aviv Sourasky Medical Center, affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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Kaur M, Ippoliti AF. Ileal Pouch-Anal Anastomosis: A Gastroenterology Perspective. SEMINARS IN COLON AND RECTAL SURGERY 2012. [DOI: 10.1053/j.scrs.2012.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Navaneethan U, Venkatesh PGK, Shen B. Risks and benefits of ileal pouch–anal anastomosis for ulcerative colitis. ACTA ACUST UNITED AC 2011. [DOI: 10.2217/thy.10.87] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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