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Thomas GP, Wong F, Vaizey CJ, Warusavitarne JH. Laparoscopic modified mesh rectopexy: medium-term results of a novel approach for external rectal prolapse. Colorectal Dis 2023; 25:2378-2382. [PMID: 37907714 DOI: 10.1111/codi.16804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 08/23/2023] [Accepted: 09/17/2023] [Indexed: 11/02/2023]
Abstract
AIM Rectal prolapse is a common and significantly debilitating condition. Surgical correction is usually required. The two most common abdominal approaches are ventral mesh rectopexy and posterior suture rectopexy. Both may be complicated, respectively, by either mesh-related complications or significant postoperative constipation. We report the outcome of a novel rectopexy operation which combines aspects of both the aforementioned approaches, for the treatment of external rectal prolapse (ERP). METHOD The technique involves laparoscopic partial posterior-lateral rectal mobilization of the rectum with posterior suture fixation to the sacral promontory and placement of an absorbable mesh in the rectovaginal space. Data were collected on postoperative complications, prolapse recurrence, mesh-related complications and the assessment of quality of life. RESULTS Eighty patients underwent a modified mesh rectopexy for ERP. Seventy-seven were women. The median age was 67.5 years. Almost a third had undergone a previous rectal prolapse repair. Recurrences were seen in 11 (13.8%). No mesh-related complications were seen. Eleven patients reported postoperative constipation. CONCLUSION The laparoscopic modified mesh rectopexy may be a safe and effective operation for the treatment of ERP.
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Affiliation(s)
- G P Thomas
- Sir Alan Parks Department of Physiology, St Mark's Hospital, London, UK
| | - F Wong
- Sir Alan Parks Department of Physiology, St Mark's Hospital, London, UK
| | - C J Vaizey
- Sir Alan Parks Department of Physiology, St Mark's Hospital, London, UK
| | - J H Warusavitarne
- Sir Alan Parks Department of Physiology, St Mark's Hospital, London, UK
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Thomas GP, Dudding TC, Vaizey CJ. Are rectal prolapse repairs too diverse and complex for simple database analysis? Colorectal Dis 2023; 25:835-836. [PMID: 37254695 DOI: 10.1111/codi.16627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023]
Affiliation(s)
- G P Thomas
- The Sir Alan Parks Department of Physiology, St Mark's Hospital, The National Bowel Hospital, London North West University Healthcare NHS Trust, London, UK
| | - T C Dudding
- Department of Gastrointestinal Surgery, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - C J Vaizey
- The Sir Alan Parks Department of Physiology, St Mark's Hospital, The National Bowel Hospital, London North West University Healthcare NHS Trust, London, UK
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3
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Dilke SM, Durant LR, Stentz R, Wilson A, Tozer PJ, Vaizey CJ, Hoyles L, Carding S, Knight SC, Noble A. O8: DIRECT MANIPULATION OF THE INTESTINAL MICROBIOME TO INFLUENCE POST-OPERATIVE OUTCOMES. Br J Surg 2021. [DOI: 10.1093/bjs/znab117.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
Distal feeding (DF) involves intubation of the distal limb of a loop ileostomy to feed with a prebiotic mix. Studies suggest that distally feeding patients following anterior resection prior to ileostomy closure may be beneficial as a form of bowel pre-habilitation. These pilot data examine the adaptive immune response to DF.
Method
Ten healthy controls with an intact GI tract were compared with 10 patients following rectal cancer resection and chemo/radiotherapy, prior to closure of ileostomy over 8 weeks of DF. We examined B and T cell memory responses from peripheral blood using cell proliferation assays. Cells were cultured with dead antigen to reflect the microbiota in the small and large bowel. Two negative and two positive controls were used to assess minimal and maximum cell proliferation.
Result
B cell responses prior to DF were increased in the defunctioned group compared to the normal controls to significance (p=0.0014). After 8 weeks of DF the groups were comparable. T cell responses to bacteria had significant differences in proliferation rate following DF commencement, CD4 week 0 vs 3 p=0.0001, week 3 vs 8 p=0.000034, CD8 week 0 vs 3 p=0.0001, week 3-8 p=0.00024). In individual patients, CD4 responses were shown to shift from responses to facultative aerobic species, to strict anaerobes.
Conclusion
These data suggest that distal feeding fundamentally resets peripheral circulating memory and it may be of use in pre-habilitating the bowel prior to restoration of continuity. Early clinical data suggests that distal feeding improves post-operative outcomes.
Take-home message
distal feeding is an easy pre-operative intervention that has a significant effect on cell proliferation and antigen response, which may contribute to improved post operative outcomes.
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Affiliation(s)
- SM Dilke
- St Mark's Hospital
- Antigen Presenting Group, Imperial College London
| | - LR Durant
- Antigen Presenting Group, Imperial College London
| | | | | | | | | | | | | | - SC Knight
- Antigen Presenting Group, Imperial College London
| | - A Noble
- Antigen Presenting Group, Imperial College London
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4
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Hodgkinson JD, Worley G, Warusavitarne J, Hanna GB, Vaizey CJ, Faiz OD. Evaluation of the Ventral Hernia Working Group classification for long-term outcome using English Hospital Episode Statistics: a population study. Hernia 2021; 25:977-984. [PMID: 33712933 PMCID: PMC8370963 DOI: 10.1007/s10029-021-02379-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 02/14/2021] [Indexed: 11/30/2022]
Abstract
Purpose The Ventral Hernia Working Group (VHWG) classification of ventral/incisional hernia (IH) was developed by expert consensus in 2010. Subsequently, Kanters et al. have demonstrated the validity of a modified version of the system for predicting short-term outcomes. This study aims to evaluate the modified system for predicting hernia recurrence. Methods Patients undergoing IH surgery (defined by OPCS codes) in the England Hospital Episode Statistics (HES) database, from 1997 to 2012, were identified. Baseline demographics at index hernia operation and episodes of further hernia surgery (FHS) were recorded. Risk factors for FHS were identified using cox regression and evaluated against the modified-VHWG grade using receiver-operating characteristics (ROC). Results The final analysis included 214,082 index IH operations. Of these, 52.6% were female and mean age was 56.59 (SD15.9). An admission for FHS was found in 8.3% cases (17,714 patients). Multi-variate cox regression revealed contaminated hernia (p < 0.0001), pre-existing IBD (p < 0.0001) and hernia comorbidity (p = 0.05) to be significantly related to long-term FHS. Classifying patients using these factors, according to the modified-VHWG classification, revealed that compared to Grade 1, the hazard ratio (HR) of FHS increased in Grade 2 (HR 1.19; p < 0.0001) and further increased in Grade 3 (HR 1.79; p < 0.0001). ROC analysis revealed the area under the curve to be 0.73 (95% CI 0.73–0.74). Conclusion This analysis demonstrates the broad validity of the modified-VHWG classification in discriminating risk for FHS. Inclusion of pre-existing IBD as a factor defining Grade 2 patients would be recommended. This analysis is limited by the absence of certain factors within the HES database, such as BMI.
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Affiliation(s)
- J D Hodgkinson
- Department of Colorectal Surgery, St Mark's Hospital and Academic Institute, Watford Road, Harrow, London, HA1 3UJ, UK. .,Department of Surgery and Cancer, Imperial College London, London, UK.
| | - G Worley
- Department of Colorectal Surgery, St Mark's Hospital and Academic Institute, Watford Road, Harrow, London, HA1 3UJ, UK.,Department of Surgery and Cancer, Imperial College London, London, UK
| | - J Warusavitarne
- Department of Colorectal Surgery, St Mark's Hospital and Academic Institute, Watford Road, Harrow, London, HA1 3UJ, UK.,Department of Surgery and Cancer, Imperial College London, London, UK
| | - G B Hanna
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - C J Vaizey
- Department of Colorectal Surgery, St Mark's Hospital and Academic Institute, Watford Road, Harrow, London, HA1 3UJ, UK.,Department of Surgery and Cancer, Imperial College London, London, UK
| | - O D Faiz
- Department of Colorectal Surgery, St Mark's Hospital and Academic Institute, Watford Road, Harrow, London, HA1 3UJ, UK.,Department of Surgery and Cancer, Imperial College London, London, UK
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Ong K, Bordeianou L, Brunner M, Buntzen S, Collie MHS, Hanly A, Hunt CW, Matzel KE, O'Connell PR, Rydningen M, Savitt L, Totaro A, Vaizey CJ, Maeda Y. Changing paradigm of sacral neuromodulation and external anal sphincter repair for faecal incontinence in specialist centres. Colorectal Dis 2021; 23:710-715. [PMID: 32894636 DOI: 10.1111/codi.15349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/26/2020] [Indexed: 02/08/2023]
Abstract
AIM The aim of this study was to determine whether the paradigm of surgical intervention for faecal incontinence (FI) has changed between 2000 and 2013. METHOD This was a multi-centre retrospective study of patients who had undergone either sacral neuromodulation (SNM) or delayed sphincter repair or sphincteroplasty (SR) as a primary surgical intervention for FI in five centres in Europe and one in the United States. The flow of patients according to the intervention, sustainability of the treatment at a minimum follow-up of 5 years, complications and requirement for further interventions were recorded. RESULTS A total of 461 patients (median age 56 years, range 24-90 years, 41 men) had either SNM or SR as an index operation during the study period [SNM 284 (61.6%), SR 177 (38.4%)]. Among SNM patients, there were 169 revisional operations (change of battery and/or lead, re-siting or removal). At the time of last follow-up 203 patients (71.4%) continued to use SNM. Among SR patients, 30 (16.9%) had complications, most notably wound infection (22, 12.4%). During follow-up 32 patients (18.1%) crossed over to SNM. Comparing two 4-year periods (2000-2003 and 2007-2010), the proportion of patients operated on who had a circumferential sphincter defect of less than 90° was 48 (68%) and 45 (46%), respectively (P = 0.03), while those who had SNM as the primary intervention increased from 29% to 89% (P < 0.05). CONCLUSION The paradigm of surgical intervention for FI has changed with increasing use of SNM.
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Affiliation(s)
- K Ong
- Department of Colorectal Surgery, Western General Hospital, Edinburgh, UK
| | - L Bordeianou
- Colorectal Surgery Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - M Brunner
- Department of Surgery, University Hospital Erlangen, Erlangen, Germany
| | - S Buntzen
- Department of Gastroenterological Surgery, University Hospital of North Norway, Tromsoe, Norway
| | - M H S Collie
- Department of Colorectal Surgery, Western General Hospital, Edinburgh, UK
| | - A Hanly
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - C W Hunt
- Colorectal Surgery Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - K E Matzel
- Department of Surgery, University Hospital Erlangen, Erlangen, Germany
| | - P R O'Connell
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - M Rydningen
- Department of Gastroenterological Surgery, University Hospital of North Norway, Tromsoe, Norway
| | - L Savitt
- Colorectal Surgery Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - A Totaro
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK
| | - C J Vaizey
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK
| | - Y Maeda
- Department of Colorectal Surgery, Western General Hospital, Edinburgh, UK
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6
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Leo CA, Leeuwenburgh M, Orlando A, Corr A, Scott SM, Murphy J, Knowles CH, Vaizey CJ, Giordano P. Initial experience with SphinKeeper™ intersphincteric implants for faecal incontinence in the UK: a two-centre retrospective clinical audit. Colorectal Dis 2020; 22:2161-2169. [PMID: 32686233 DOI: 10.1111/codi.15277] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 05/30/2020] [Indexed: 02/08/2023]
Abstract
AIM The SphinKeeper™ artificial bowel sphincter implant is a relatively new surgical technique for the treatment of refractory faecal incontinence. This study presents the first experience in two UK tertiary centres. METHOD This is a retrospective audit of prospectively collected clinical data in relation to technique, safety, feasibility and short-term effectiveness from patients undergoing surgery from January 2016 to April 2019. Baseline data, intra-operative and postoperative complications, symptoms [using St Mark's incontinence score (SMIS)] and radiological outcomes were analysed. RESULTS Twenty-seven patients [18 women, median age 57 years (range 27-87)] underwent SphinKeeper. In 30% of the patients, the firing device jammed and not all prostheses were delivered. There were no intra-operative complications and all patients were discharged the same or the following day. SMIS significantly improved from baseline [median -6 points (range -12 to +3); P < 0.00016] with 14/27 (51.9%) patients achieving a 50% reduction in the SMIS score. On postoperative imaging, a median of seven prostheses (range 0-10) were identified with a median of five (range 0-10) optimally placed. There was no relationship between number of well-sited prostheses on postoperative imaging and categorical success based on 50% reduction in SMIS (χ2 test, P = 0.79). CONCLUSION SphinKeeper appears to be a safe procedure for faecal incontinence. Overall, about 50% patients achieved a meaningful improvement in symptoms. However, clinical benefit was unrelated to the rate of misplaced/migrated implants. This has implications for confidence in proof of mechanism and also the need for technical refinement.
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Affiliation(s)
- C A Leo
- Imperial College London, London, UK.,Sir Alan Park's Physiology Unit, St Mark's Hospital Academic Institute, Harrow, UK
| | | | - A Orlando
- Imperial College London, London, UK.,Sir Alan Park's Physiology Unit, St Mark's Hospital Academic Institute, Harrow, UK
| | - A Corr
- Sir Alan Park's Physiology Unit, St Mark's Hospital Academic Institute, Harrow, UK
| | - S M Scott
- National Bowel Research Centre and GI Physiology Unit, Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Queen Mary University of London, London, UK.,Royal London Hospital, London, UK
| | - J Murphy
- Imperial College London, London, UK
| | - C H Knowles
- National Bowel Research Centre and GI Physiology Unit, Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Queen Mary University of London, London, UK.,Royal London Hospital, London, UK
| | - C J Vaizey
- Sir Alan Park's Physiology Unit, St Mark's Hospital Academic Institute, Harrow, UK
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7
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Leo CA, Thomas GP, Bradshaw E, Karki S, Hodgkinson JD, Murphy J, Vaizey CJ. Long-term outcome of sacral nerve stimulation for faecal incontinence. Colorectal Dis 2020; 22:2191-2198. [PMID: 32954658 DOI: 10.1111/codi.15369] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/06/2020] [Indexed: 12/11/2022]
Abstract
AIM Sacral nerve stimulation (SNS) is a minimally invasive treatment for faecal incontinence (FI). We report our experience of patients who have undergone SNS for FI with a minimum of 5 years' follow-up. This is a single centre prospective observational study with the aim to assess the long-term function of SNS. METHOD All patients implanted with SNS were identified from our prospective database. The date of implantation, first and last clinic follow-up, surgical complications and St Mark's incontinence scores were abstracted and analysed. RESULTS From 1996 to 2014, 381 patients were considered for SNS. Of these, 256 patients met the study inclusion criteria. Median age at implantation was 52 years (range 18-81). The ratio of women to men was 205:51. Indications were urge FI (25%), passive FI (17.9%) and mixed FI (57%). The median of the incontinence score at baseline was 19/24 and this improved to 7/24 at the 6-month follow-up. Of the total cohort, 235 patients received a medium-term follow-up (median 110 months, range 12-270) with a median continence score of 10/24 which was also confirmed at the telephone long-term follow-up on 185 patients (132 months, range 60-276). CONCLUSION This study demonstrates that SNS is an effective treatment in the long term. SNS results in an improvement of validated scores for approximately 60% of patients; however, there is a significant reduction of efficacy over time due to underlying causes.
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Affiliation(s)
- C A Leo
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Northwest London University NHS Trust, Harrow, UK.,Imperial College London, London, UK.,Northwick Park Hospital, London North West NHS Trust, Harrow, UK
| | - G P Thomas
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Northwest London University NHS Trust, Harrow, UK
| | - E Bradshaw
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Northwest London University NHS Trust, Harrow, UK
| | - S Karki
- Northwick Park Hospital, London North West NHS Trust, Harrow, UK
| | - J D Hodgkinson
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Northwest London University NHS Trust, Harrow, UK.,Imperial College London, London, UK
| | - J Murphy
- Imperial College London, London, UK
| | - C J Vaizey
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Northwest London University NHS Trust, Harrow, UK.,Imperial College London, London, UK
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8
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Abstract
This European Society of Coloproctology guidance focuses on a proposed conceptual framework to resume standard service in colorectal surgery. The proposed conceptual framework is a schematic and stepwise approach including: in-depth assessment of damage to non-COVID-19-related colorectal service; the return of service (integration with the COVID-19-specific service and the existing operational continuity planning); safety arrangements in parallel with minimizing downtime; the required support for staff and patients; the aftermath of the pandemic and continued strategic planning. This will be dynamic guidance with ongoing updates using critical appraisal of emerging evidence. We will welcome input from all stakeholders (statutory organizations, healthcare professionals, public and patients). Any new questions, new data and discussion are welcome via https://www.escp.eu.com/guidelines.
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Affiliation(s)
- G. Pellino
- Department of Advanced Medical and Surgical SciencesUniversità degli Studi della Campania ‘Luigi Vanvitelli’NaplesItaly,Colorectal SurgeryVall d’Hebron University HospitalBarcelonaSpain
| | - C. J. Vaizey
- Department of Colorectal SurgerySt Mark’s HospitalLondonUK
| | - Y. Maeda
- Department of Colorectal SurgeryWestern General HospitalEdinburghUK,University of EdinburghEdinburghUK
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9
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Leo CA, Cavazzoni E, Leeuwenburgh MMN, Thomas GP, Dennis A, Bassett P, Hodgkinson JD, Warusavitarne J, Murphy J, Vaizey CJ. Comparison between high-resolution water-perfused anorectal manometry and THD ® Anopress anal manometry: a prospective observational study. Colorectal Dis 2020; 22:923-930. [PMID: 31994307 PMCID: PMC7496679 DOI: 10.1111/codi.14992] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 01/22/2020] [Indexed: 12/13/2022]
Abstract
AIM Anorectal physiology tests provide a functional assessment of the anal canal. The aim of this study was to compare the results generated by standard high-resolution water-perfused manometry (WPM) with the newer THD® Anopress manometry system. METHOD This was a prospective observational study. Conventional manometry was carried out using a water-perfused catheter with high-resolution manometry and compared with the Anopress system with air-filled catheters. All patients underwent the two procedures successively in a randomized order. Time to arrive at the resting pressure plateau, resting, squeeze, straining pressure and visual analogue scale (VAS) scores for pain were recorded. A qualitative analysis of the two devices was performed. RESULTS Between 2016 and 2017, 60 patients were recruited. The time from insertion of the catheter to arriving at the resting pressure plateau was significantly lower with the Anopress compared with WPM: 12 s [interquartile range (IQR) 10-17 s] versus 100 s (IQR 67-121 s) (P < 0.001). A strong correlation between the manometric values of WPM and the Anopress was observed. Both procedures were well tolerated, although the VAS score for insertion of the WPM catheter was significantly higher. The Anopress was easier to use and more time-efficient than the WPM. CONCLUSION The pressure values obtained with Anopress correlated well with those of conventional manometry. The Anopress has the advantage of being less time-consuming, user-friendly and better tolerated by patients.
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Affiliation(s)
- C. A. Leo
- Sir Alan Park’s Physiology UnitSt Mark’s Hospital Academic InstituteHarrowUK,Imperial College of LondonLondonUK,The Royal London HospitalLondonUK
| | - E. Cavazzoni
- Santa Maria della Misericordia HospitalUniversità degli Studi di PerugiaPerugiaItaly
| | | | - G. P. Thomas
- Sir Alan Park’s Physiology UnitSt Mark’s Hospital Academic InstituteHarrowUK
| | - A. Dennis
- Sir Alan Park’s Physiology UnitSt Mark’s Hospital Academic InstituteHarrowUK
| | | | - J. D. Hodgkinson
- Sir Alan Park’s Physiology UnitSt Mark’s Hospital Academic InstituteHarrowUK,Imperial College of LondonLondonUK
| | - J. Warusavitarne
- Sir Alan Park’s Physiology UnitSt Mark’s Hospital Academic InstituteHarrowUK
| | | | - C. J. Vaizey
- Sir Alan Park’s Physiology UnitSt Mark’s Hospital Academic InstituteHarrowUK
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10
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Machielsen AJHM, Iqbal N, Kimman ML, Sahnan K, Adegbola SO, Kleijnen J, Vaizey CJ, Grossi U, Tozer PJ, Breukink SO. The development of a cryptoglandular Anal Fistula Core Outcome Set (AFCOS): an international Delphi study protocol. United European Gastroenterol J 2020; 8:220-226. [PMID: 32213065 DOI: 10.1177/2050640620907570] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
PURPOSE Cryptoglandular anal fistula is a disorder with an incidence of around 1 per 5,000 people per year in European countries. Many studies have been conducted to evaluate the effectiveness of interventions for anal fistula. However, there is considerable heterogeneity in the outcomes assessed and reported in these studies. This limits research quality and complicates evidence synthesis. A solution for heterogeneity in outcome reporting is the development of a Core Outcome Set (COS). This paper describes the protocol for the development of a European COS for Anal Fistula (AFCOS). METHODS The first step will be a systematic review of the literature to identify potential outcomes that may be included in the COS. Patient interviews will be conducted in The United Kingdom and The Netherlands to ensure that both clinician-important and patient-important outcomes are captured. The outcomes will be categorized using the COMET taxonomy and taken forward to a Delphi consensus exercise. In up to three web-based Delphi surveys the outcomes will be prioritized by patients, clinicians (surgeons, gastroenterologists, and radiologists), and (clinical) researchers. The responses will be summarized and reported anonymously in subsequent round(s) facilitating convergence to a consensus opinion. The final COS will be decided during a face-to-face consensus meeting with patients, clinicians, and (clinical) researchers. DISCUSSION This study protocol describes the development of a European COS for anal fistula to improve research quality, evidence synthesis, and patient care.
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Affiliation(s)
- A J H M Machielsen
- Department of Surgery and Colorectal Surgery, Maastricht University Medical Centreþ, Maastricht, The Netherlands.,Faculty of Health, Medicine & Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - N Iqbal
- Robin Phillips Fistula Research Unit, St Mark's Hospital, London, The United Kingdom.,Department of Surgery and Cancer, Imperial College London, London, The United Kingdom
| | - M L Kimman
- Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centreþ, Maastricht, The Netherlands
| | - K Sahnan
- Robin Phillips Fistula Research Unit, St Mark's Hospital, London, The United Kingdom.,Department of Surgery and Cancer, Imperial College London, London, The United Kingdom
| | - S O Adegbola
- Robin Phillips Fistula Research Unit, St Mark's Hospital, London, The United Kingdom.,Department of Surgery and Cancer, Imperial College London, London, The United Kingdom
| | - J Kleijnen
- Department of Family Practice; Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands
| | - C J Vaizey
- Robin Phillips Fistula Research Unit, St Mark's Hospital, London, The United Kingdom.,Department of Surgery and Cancer, Imperial College London, London, The United Kingdom
| | - U Grossi
- 4th Surgery Unit, Treviso Hospital, Treviso, Italy; University of Padua, Padua, Italy
| | - P J Tozer
- Robin Phillips Fistula Research Unit, St Mark's Hospital, London, The United Kingdom.,Department of Surgery and Cancer, Imperial College London, London, The United Kingdom
| | - S O Breukink
- Department of Surgery and Colorectal Surgery, Maastricht University Medical Centreþ, Maastricht, The Netherlands
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11
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Speake D, Dvorkin L, Vaizey CJ, Carlson GL. Management of colonic complications of type IV Ehlers-Danlos syndrome: a systematic review and evidence-based management strategy. Colorectal Dis 2020; 22:129-135. [PMID: 31260161 DOI: 10.1111/codi.14749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 06/17/2019] [Indexed: 12/12/2022]
Abstract
AIM Type IV Ehlers Danlos Syndrome (EDS) is a connective tissue disorder affecting approximately 1 per 100,000-200,000 people. Life expectancy is reduced secondary to spontaneous vascular rupture or colonic perforation. Surgery carries significant morbidity and mortality. While strategies to manage colonic perforation include primary repair with or without a defunctioning stoma, Hartmann's procedure, total abdominal colectomy with end ileostomy and ileorectal anastomosis, evidence is contradictory and has not previously been evaluated in order to form a treatment strategy. We aim to review the published literature and identify outcome data relating to operative management of colonic perforation in type IV EDS. METHODS Pubmed, EM-BASE, Cochrane library and Google Scholar were searched with the following details: Ehlers Danlos Syndrome AND colonic surgery. The main outcome measure was re-perforation rates following colonic surgery on patients with type IV EDS. If the nature of surgery and follow up were reported, data were recorded in a SPSS database according to PRISMA guidelines. RESULTS One hundred and nine operations have been described in 51 patients in 44 case series. There were 26 visceral re-perforations, 2 affecting the small intestine and 24 colonic. Survival analysis favoured total abdominal colectomy compared with operations where the colon was left in situ. CONCLUSIONS Total abdominal colectomy with end ileostomy or ileorectal anastomosis are the safest strategies after colonic perforation in type IV EDS. Anastomotic leak rates are high. End colostomy is high risk for colonic re-perforation and anastomotic leak rates are extremely high. Restoration of colonic continuity should be avoided.
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Affiliation(s)
- D Speake
- Department of Colorectal Surgery, The Western General Hospital, Edinburgh, UK
| | - L Dvorkin
- North Middlesex University Hospital, London, UK
| | - C J Vaizey
- Departments of Surgery and National Intestinal Failure Centre, St Marks Hospital, Harrow, Middlesex, UK
| | - G L Carlson
- Departments of Surgery and National Intestinal Failure Centre, Salford Royal NHS Foundation Trust, Salford, UK
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12
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Hodgkinson JD, Oke SM, Warusavitarne J, Hanna GB, Gabe SM, Vaizey CJ. Incisional hernia and enterocutaneous fistula in patients with chronic intestinal failure: prevalence and risk factors in a cohort of patients referred to a tertiary centre. Colorectal Dis 2019; 21:1288-1295. [PMID: 31218774 DOI: 10.1111/codi.14735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 04/08/2019] [Indexed: 12/14/2022]
Abstract
AIM This study aims to determine the prevalence of incisional hernia (IH) and enterocutaneous fistula (ECF) in patients with intestinal failure (IF) referred to a tertiary centre and to identify factors associated with their development. METHOD A retrospective case note review was undertaken of a prospectively maintained database of all patients on home parenteral nutrition between 2011 and 2016 at a UK tertiary referral centre for IF. Risk factors were identified using binary logistic regression. RESULTS The database search identified 447 patients, of whom 349 (78.1%) had surgery prior to developing IF. Eighty-one (23.2%) patients had an IH and 123 (35.2%) had an ECF at the time of referral. Of these, 51 (14.6%) had both IH and ECF. IH was associated with a high body mass index (P = 0.05), a history of a major surgical complication resulting in IF (P = 0.01), previous emergency surgery (P = 0.04), increasing number of operations (P = 0.02) and surgical site infection (SSI; P = 0.01). ECF was associated with complications relating to earlier surgery. (P ≤ .001), previous treatment with an open abdomen (P = 0.03), SSI (P = 0.001), intra-abdominal collection (P ≤ 0.001) and anastomotic leak (P = 0.02). CONCLUSION In this series, patients with IF had a prevalence of IH which was more than double that expected following elective laparotomy (about 10%) and one in three had an ECF. Risk factors for IH and ECF are discussed.
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Affiliation(s)
- J D Hodgkinson
- St Mark's Hospital and Academic Institute, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - S M Oke
- St Mark's Hospital and Academic Institute, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - J Warusavitarne
- St Mark's Hospital and Academic Institute, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - G B Hanna
- Department of Surgery and Cancer, Imperial College, London, UK
| | - S M Gabe
- St Mark's Hospital and Academic Institute, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - C J Vaizey
- St Mark's Hospital and Academic Institute, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
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13
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Leo CA, Thomas GP, Hodgkinson JD, Segal JP, Maeda Y, Murphy J, Vaizey CJ. The Renew® anal insert for passive faecal incontinence: a retrospective audit of our use of a novel device. Colorectal Dis 2019; 21:684-688. [PMID: 30770633 DOI: 10.1111/codi.14587] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 01/21/2019] [Indexed: 12/14/2022]
Abstract
AIM The Renew® anal insert is a recent treatment for patients who suffer from passive faecal incontinence (FI). Our aim was to assess the effectiveness of the insert and patients' satisfaction with it. METHOD A retrospective audit of patients who were treated with the Renew® anal insert was undertaken. The St Mark's Incontinence Score was used to evaluate clinical outcome. Renew® size, the number of inserts used per day and per week had also been recorded. Subjective assessment of symptoms, how beneficial Renew® was and how satisfied patients were with the device were all recorded. Major events and side effects were also noted. RESULTS Thirty patients received Renew® as a treatment for passive incontinence in 2016. The median St Mark's Incontinence Score was 15 (range 7-18) at baseline and 10 (range 2-18) at first follow-up (P < 0.0001) at a median of 11 (range 8-14) weeks. Eleven (37%) patients used the regular size and 19 (63%) the large size. Patients used an average of 1.67 inserts per day (range 1-3) on an average of 3.58 days per week (1-7). Three patients reported a deterioration in symptoms, seven (23%) had no change and 20 (67%) showed a significant improvement. Six patients (20%) did not like the device while 24 (80%) liked it. Seventeen patients (57%) wanted to continue this treatment in the long term. CONCLUSION The Renew® device seems to be an acceptable and effective therapeutic option for passive FI. Further work is needed to compare it with other treatments and establish its position in the treatment pathway.
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Affiliation(s)
- C A Leo
- Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, London North West University Healthcare NHS Trust, Harrow, UK.,Imperial College London, London, UK
| | - G P Thomas
- Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, London North West University Healthcare NHS Trust, Harrow, UK
| | - J D Hodgkinson
- Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, London North West University Healthcare NHS Trust, Harrow, UK.,Imperial College London, London, UK
| | - J P Segal
- Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, London North West University Healthcare NHS Trust, Harrow, UK.,Imperial College London, London, UK
| | - Y Maeda
- Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, London North West University Healthcare NHS Trust, Harrow, UK
| | - J Murphy
- Imperial College London, London, UK
| | - C J Vaizey
- Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, London North West University Healthcare NHS Trust, Harrow, UK.,Imperial College London, London, UK
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14
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Segal JP, Leo CA, Hodgkinson JD, Cavazzoni E, Bradshaw E, Lung PFC, Ilangovan R, Vaizey CJ, Faiz OD, Hart AL, Clark SK. Acceptability, effectiveness and safety of a Renew ® anal insert in patients who have undergone restorative proctocolectomy with ileal pouch-anal anastomosis. Colorectal Dis 2019; 21:73-78. [PMID: 30218632 DOI: 10.1111/codi.14422] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 09/03/2018] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Restorative proctocolectomy has gained acceptance in the surgical management of medically refractive ulcerative colitis and cancer prevention in familial adenomatous polyposis. Incontinence following restorative proctocolectomy occurs in up to 25% of patients overnight. The Renew® insert is an inert single-use device which acts as an anal plug. The aim of this study was to assess the acceptability, effectiveness and safety of the Renew® insert in patients who have undergone restorative proctocolectomy. The device has yet to be assessed in patients who have undergone restorative proctocolectomy. METHOD This was a prospective study exploring the acceptability, effectiveness and safety of the Renew® insert in improving incontinence in patients who had undergone restorative proctocolectomy. A total of 15 patients with incontinence were asked to use the Renew® insert for 14 days following their standard care. The Incontinence Questionnaire-Bowels was used pre- and posttreatment to assess response and patients were asked to report the perceived acceptability, effectiveness and safety of the device at the end of the trial. RESULTS The device was acceptable to 8/15 (53%) of patients and was effective in 6/15 (40%). Only 2/15 (13%) of patients raised any safety concerns, and these were minor. The device was associated with a significant reduction in night seepage (P = 0.034). CONCLUSION In a small study, the Renew® insert can be both acceptable and effective and is also associated with few safety concerns. It is also associated with significant reductions in night-time seepage.
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Affiliation(s)
- J P Segal
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - C A Leo
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - J D Hodgkinson
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - E Cavazzoni
- Department of Surgery, University of Perugia, Perugia, Italy
| | | | - P F C Lung
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | | | - C J Vaizey
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - O D Faiz
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - A L Hart
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
| | - S K Clark
- St Mark's Hospital, Harrow, UK.,Department of Surgery and Cancer, Imperial College, London, UK
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15
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Leo CA, Murphy J, Hodgkinson JD, Vaizey CJ, Maeda Y. Does the Internet provide patients or clinicians with useful information regarding faecal incontinence? An observational study. G Chir 2018; 39:71-76. [PMID: 29694304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND The Internet has become an important platform for information communication. This study aim to investigate the utility of social media and search engines to disseminate faecal incontinence information. METHODS We looked into Social media platforms and search engines. There was not a direct patient recruitment and any available information from patients was already on public domain at the time of search. A quantitative analysis of types and volumes of information regarding faecal incontinence was made. RESULTS Twelve valid pages were identified on Facebook: 5 (41%) pages were advertising commercial incontinence products, 4 (33%) pages were dedicated to patients support groups and 3 (25%) pages provided healthcare information. Also we found 192 Facebook posts. On Twitter, 2890 tweets were found of which 51% tweets provided healthcare information; 675 (45%) were sent by healthcare professionals to patients, 530 tweets (35.3%) were between healthcare professionals, 201 tweets (13.4%) were from medical journals or scientific books and 103 tweets (7%) were from hospitals or clinics with information about events and meetings. The second commonest type of tweets was advertising commercial incontinence products 27%. Patients tweeted to exchange information and advice between themselves (20.5%). In contrast, search engines as Google/Yahoo/Bing had a higher proportion of healthcare information (over 70%). CONCLUSION Internet appears to have potential to be a useful platform for patients to learn about faecal incontinence and share information; however, given one lack of focus of available data, patients may struggle to identify valid and useful information.
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16
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Leo CA, Maeda Y, Collins B, Thomas GP, Hodgkinson JD, Murphy J, Vaizey CJ. Current practice of continence advisors in managing faecal incontinence in the United Kingdom: results of an online survey. Colorectal Dis 2017; 19:O339-O344. [PMID: 28736932 DOI: 10.1111/codi.13823] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 07/06/2017] [Indexed: 02/08/2023]
Abstract
AIM To investigate the current practice of continence advisors in the United Kingdom. METHOD Continence advisors were contacted by email or letter to participate in a survey. The survey contained 27 questions which addressed the practice of each continence advisor, their knowledge of continence management and the adequacy of their training. RESULTS Two hundred and twenty-six out of a total of 448 continence advisors (50.4%), responded. One hundred and seventy (76.9%) advisors treated both faecal and urinary incontinence, 51 (23.1%) treated urinary incontinence. Thirty-six advisors (16.1%) were lone workers and 130 (58.6%) had more than 10 years' experience. The majority of the advisors (75.6%) performed a digital rectal examination as part of their assessment. Regarding the management of faecal incontinence, 148 prescribed suppositories, 127 offered enemas and 147 advised on rectal irrigation. Most of the advisors taught pelvic floor exercises (n = 207) and urge resistance techniques (n = 188). One hundred and fifty-nine (87.4%) prescribed the Peristeen Coloplast® anal plug and 78 (47.6%) prescribed the Renew® anal insert. Eighty-nine advisors (42.6%) felt they had not been adequately trained to provide a bowel continence service. CONCLUSION The majority of continence advisors in the UK manage faecal incontinence. They are able to initiate a broad range of conservative treatment options; however, almost half of the advisors who answered the survey felt inadequately trained and may be better supported by further training.
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Affiliation(s)
- C A Leo
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.,Imperial College London, London, UK
| | - Y Maeda
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.,Imperial College London, London, UK
| | - B Collins
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK
| | - G P Thomas
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK
| | - J D Hodgkinson
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.,Imperial College London, London, UK
| | - J Murphy
- Imperial College London, London, UK
| | - C J Vaizey
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK
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17
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Hodgkinson JD, Maeda Y, Leo CA, Warusavitarne J, Vaizey CJ. Complex abdominal wall reconstruction in the setting of active infection and contamination: a systematic review of hernia and fistula recurrence rates. Colorectal Dis 2017; 19:319-330. [PMID: 28102927 DOI: 10.1111/codi.13609] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 11/28/2016] [Indexed: 02/08/2023]
Abstract
AIM Minimal evidence exists to guide surgeons on the risk of complications when performing abdominal wall reconstruction (AWR) in the presence of active infection, contamination or enterocutaneous fistula. This study aims to establish the outcomes of contaminated complex AWR. METHOD Analysis was conducted according to PRISMA guidelines. Systematic search of the MEDLINE, EMBASE and Pubmed databases was performed. Studies reporting exclusively on single-staged repair of contaminated complex AWR were included. Pooled data were analysed to establish rates of complications. RESULTS Sixteen studies were included, consisting of 601 contaminated complex AWRs, of which 233 included concurrent enterocutaneous fistula repair. The average follow-up period was 26.7 months. There were 146 (24.3%) reported hernia recurrences. When stratified by repair method, suture repair alone had the lowest rate of recurrence (14.2%), followed by nonabsorbable synthetic mesh reinforcement (21.2%), biological mesh (25.8%) and absorbable synthetic mesh (53.1%). Hernia recurrence was higher when fascial closure was not achieved. Of the 233 enterocutaneous fistula repairs, fistula recurrence was seen in 24 patients (10.3%). Suture repair alone had the lowest rate of recurrence (1.6%), followed by nonbiological mesh (10.3%) and biological mesh reinforcement (12%). Forty-six per cent of patients were reported as having a wound-related complication and the mortality rate was 2.5%. CONCLUSION It is feasible to perform simultaneous enterocutaneous fistula repair and AWR as rates of recurrent fistula are comparable with series describing enterocutaneous fistula repair alone. Hernias recurred in nearly a quarter of cases. This analysis is limited by a lack of comparative data and variability of outcome reporting.
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Affiliation(s)
| | - Y Maeda
- St Mark's Hospital and Academic Institute, London, UK
| | - C A Leo
- St Mark's Hospital and Academic Institute, London, UK
| | | | - C J Vaizey
- St Mark's Hospital and Academic Institute, London, UK
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18
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Stellingwerf ME, Maeda Y, Patel U, Vaizey CJ, Warusavitarne J, Bemelman WA, Clark SK. The role of the defaecating pouchogram in the assessment of evacuation difficulty after restorative proctocolectomy and pouch-anal anastomosis. Colorectal Dis 2016; 18:O292-300. [PMID: 27338231 DOI: 10.1111/codi.13431] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 01/28/2016] [Indexed: 02/08/2023]
Abstract
AIM Restorative proctocolectomy (RPC) with ileal pouch-anal anastomosis (IPAA) is the most frequently performed operation for intractable ulcerative colitis (UC) and for many patients with familial adenomatous polyposis (FAP). It can be complicated by a functional evacuation difficulty, which is not well understood. We aimed to evaluate the role of defaecating pouchography in an attempt to assess the mechanism of evacuation difficulty in pouch patients. METHOD All RPC patients who had had a defaecating pouchogram for evacuation difficulty at one hospital between 2006 and 2014 were retrospectively reviewed. The findings and features were correlated with the symptoms. Demographic, clinical and radiological variables were analysed. RESULTS Eighty-seven [55 (63%) female] patients aged 47.6 ± 12.5 years (mean standard ± SD) were identified. Thirty-five had a mechanical outlet obstruction and 52 had no identified mechanical cause to explain the evacuation difficulty. The mean age of these 52 [33 (63%) female] patients was 48.2 ± 13 years. Of these 52 patients, significantly more used anti-diarrhoeal medication (P = 0.029), complained of a high frequency of defaecation (P = 0.005), experienced a longer time to the initiation of defaecation (P = 0.049) and underwent pouchoscopy (P = 0.003). Biofeedback appeared to improve the symptoms in 7 of 16 patients with a nonmechanical defaecatory difficulty. The most common findings on defaecating pouchography included residual barium of more than 33% after an attempted evacuation (46%, n = 24), slow evacuation (35%, n = 18) and mucosal irregularity (33%, n = 17). Correlation between radiological features and symptoms showed a statistically significant relationship between straining, anal pain, incontinence and urgency with patterns of anismus or pelvic floor descent or weakness seen on the defaecating pouchogram. Symptoms of incomplete evacuation, difficulty in the initiation of defaecation, high defaecatory frequency and abdominal pain were not correlated with the radiological features of the pouchogram. CONCLUSION Defaecating pouchography may be useful for identifying anismus and pelvic floor disorders in pouch patients who have symptoms of straining, anal pain or incontinence. In patients with a high frequency of defaecation and abdominal pain it does not provide clinically meaningful information. Patients who complain of straining, incontinence, anal pain or urgency and have anismus or pelvic floor disorders may benefit from behavioural therapy.
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Affiliation(s)
- M E Stellingwerf
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.,Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - Y Maeda
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.,Department of Surgery, St Mark's Hospital, Harrow, UK
| | - U Patel
- Department of Radiology, St Mark's Hospital, Harrow, UK
| | - C J Vaizey
- Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.,Department of Surgery, St Mark's Hospital, Harrow, UK
| | | | - W A Bemelman
- Department of Surgery, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - S K Clark
- Department of Surgery, St Mark's Hospital, Harrow, UK
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19
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Vaizey CJ, Maeda Y, Barbosa E, Bozzetti F, Calvo J, Irtun Ø, Jeppesen PB, Klek S, Panisic-Sekeljic M, Papaconstantinou I, Pascher A, Panis Y, Wallace WD, Carlson G, Boermeester M. European Society of Coloproctology consensus on the surgical management of intestinal failure in adults. Colorectal Dis 2016; 18:535-48. [PMID: 26946219 DOI: 10.1111/codi.13321] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 01/22/2016] [Indexed: 12/19/2022]
Abstract
Intestinal failure (IF) is a debilitating condition of inadequate nutrition due to an anatomical and/or physiological deficit of the intestine. Surgical management of patients with acute and chronic IF requires expertise to deal with technical challenges and make correct decisions. Dedicated IF units have expertise in patient selection, operative risk assessment and multidisciplinary support such as nutritional input and interventional radiology, which dramatically improve the morbidity and mortality of this complex condition and can beneficially affect the continuing dependence on parenteral nutritional support. Currently there is little guidance to bridge the gap between general surgeons and specialist IF surgeons. Fifteen European experts took part in a consensus process to develop guidance to support surgeons in the management of patients with IF. Based on a systematic literature review, statements were prepared for a modified Delphi process. The evidence for each statement was graded using Oxford Centre for Evidence-Based Medicine Levels of Evidence. The current paper contains the statements reflecting the position and practice of leading European experts in IF encompassing the general definition of IF surgery and organization of an IF unit, strategies to prevent IF, management of acute IF, management of wound, fistula and stoma, rehabilitation, intestinal and abdominal reconstruction, criteria for referral to a specialist unit and intestinal transplantation.
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Affiliation(s)
| | - C J Vaizey
- The Lennard Jones Intestinal Failure Unit, St Mark's Hospital, Northwick Park, Harrow, UK.,Imperial College London, London, UK
| | - Y Maeda
- The Lennard Jones Intestinal Failure Unit, St Mark's Hospital, Northwick Park, Harrow, UK.,Imperial College London, London, UK
| | - E Barbosa
- Serviço de Cirurgia, Hospital Pedro Hispano, Senhora da Hora, Portugal
| | - F Bozzetti
- Faculty of Medicine, University of Milan, Milan, Italy
| | - J Calvo
- Department of General, Digestive, Hepato-Biliary-Pancreatic Surgery and Abdominal Organ Transplantation Unit, University Hospital 12 de Octubre, Madrid, Spain
| | - Ø Irtun
- Gastrosurgery Research Group, UiT the Arctic University of Norway, University Hospital North-Norway, Tromsø, Norway.,Department of Gastroenterologic Surgery, University Hospital North-Norway, Tromsø, Norway
| | - P B Jeppesen
- Department of Medical Gastroenterology CA-2121, Rigshospitalet, Copenhagen, Denmark
| | - S Klek
- General and Oncology Surgery, General and Oncology Unit, Stanley Dudrick's Memorial Hospital, Skawina, Poland
| | - M Panisic-Sekeljic
- Department for Perioperative Nutrition, Clinic for General Surgery, Military Medical Academy, Belgrade, Serbia
| | - I Papaconstantinou
- 2nd Department of Surgery, Areteion Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - A Pascher
- Department of General, Visceral, Vascular, Thoracic and Transplant Surgery, Charité - Universitaetsmedizin Berlin, Berlin, Germany
| | - Y Panis
- Colorectal Department, Beaujon Hospital and University Paris VII, Clichy, France
| | - W D Wallace
- Northern Ireland Regional Intestinal Failure Service, Belfast City Hospital, Belfast, UK
| | - G Carlson
- National Intestinal Failure Centre, Salford Royal NHS Foundation Trust, University of Manchester, Salford, Manchester, UK
| | - M Boermeester
- Department of Surgery/Intestinal Failure Team, Academic Medical Center, Amsterdam, The Netherlands
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20
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Affiliation(s)
- F Iqbal
- The Sir Alan Parks Department of Physiology, St Marks Hospital and Academic Institute, Harrow, UK.
| | - M Samuel
- The Sir Alan Parks Department of Physiology, St Marks Hospital and Academic Institute, Harrow, UK
| | - E J K Tan
- Department of Surgery and Cancer, Chelsea and Westminster Hospital, Fulham Road, London, UK
| | - R J Nicholls
- The Sir Alan Parks Department of Physiology, St Marks Hospital and Academic Institute, Harrow, UK
| | - C J Vaizey
- The Sir Alan Parks Department of Physiology, St Marks Hospital and Academic Institute, Harrow, UK
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21
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Iqbal F, Collins B, Thomas GP, Askari A, Tan E, Nicholls RJ, Vaizey CJ. Bilateral transcutaneous tibial nerve stimulation for chronic constipation. Colorectal Dis 2016; 18:173-8. [PMID: 26333152 DOI: 10.1111/codi.13105] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 07/03/2015] [Indexed: 02/08/2023]
Abstract
AIM Chronic constipation is difficult to treat when symptoms are intractable. Colonic propulsion may be altered by distal neuromodulation but this is conventionally delivered percutaneously. Transcutaneous tibial nerve stimulation is noninvasive and cheap: this study aimed to assess its efficacy in chronic constipation. METHOD Eighteen patients (median age 46 years, 12 female) with chronic constipation were recruited consecutively. Conservative and behavioural therapy had failed to improve symptoms in all 18. Thirty minutes of daily bilateral transcutaneous tibial nerve stimulation was administered by each patient at home for 6 weeks. The primary outcome measure was a change in the Patient Assessment of Constipation Quality of Life (PAC-QoL) score. Change in Patient Assessment of Constipation Symptoms (PAC-SYM), weekly bowel frequency and visual analogue scale (VAS) score were also measured. RESULTS Fifteen patients (12 female) completed the trial. The PAC-QoL score improved significantly with treatment [pretreatment, median 2.95, interquartile range (IQR) 1.18; posttreatment, median 2.50, IQR 0.70; P = 0.047]. There was no change in PAC-SYM score (pretreatment, median 2.36, IQR 1.59; posttreatment, median 2.08, IQR 0.92; P = 0.53). Weekly stool frequency improved as did VAS score, but these did not reach statistical significance (P = 0.229 and 0.161). The PAC-QoL and PAC-SYM scores both improved in four (26%) patients. Two patients reported complete cure. There were no adverse events reported. CONCLUSION Bilateral transcutaneous tibial nerve stimulation appears to be effective in a quarter of patients with chronic constipation. Carefully selected patients with less severe disease may benefit more. This requires further study.
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Affiliation(s)
- F Iqbal
- Sir Alan Parks' Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - B Collins
- Sir Alan Parks' Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - G P Thomas
- Sir Alan Parks' Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - A Askari
- Sir Alan Parks' Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - E Tan
- Department of Surgery and Cancer, Chelsea and Westminster Hospital, London, UK
| | - R J Nicholls
- Sir Alan Parks' Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - C J Vaizey
- Sir Alan Parks' Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
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22
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Abstract
AIM Faecal incontinence may occur following rectal surgery and/or radiotherapy for rectal cancer. The aim of this paper was to review the evidence to support the use of sacral nerve stimulation (SNS) for patients with incontinence who had undergone rectal surgery or received rectal radiotherapy. METHOD A search was performed of PubMed, Medline and Embase. All studies which reported the outcome of SNS in patients who had undergone a rectal resection or radiotherapy were reviewed. RESULTS The first report of SNS following rectal surgery was in 2002. Since then seven further studies have described its effect in patients who have undergone anterior resection or pelvic radiotherapy. The total number of patients was 57. All studies were single group series, which ranged in size from one to 15 patients. The follow-up ranged from 1 to 36 months. The success of peripheral nerve evaluation ranged from 47% to 100%. Permanent SNS improved the symptoms and in some studies this was reflected in improved quality of life. The wide variation of patient factors, operations performed, the dose of radiotherapy given and time from operation makes interpretation of the results difficult. CONCLUSION Larger studies with better patient selection are needed to investigate the effect of SNS on incontinence following radiotherapy or rectal surgery.
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Affiliation(s)
- G P Thomas
- Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - E Bradshaw
- Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - C J Vaizey
- Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
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23
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Thomas GP, Duelund-Jakobsen J, Dudding TC, Bradshaw E, Nicholls RJ, Alam A, Emmanuel A, Thin N, Knowles CH, Laurberg S, Vaizey CJ. A double-blinded randomized multicentre study to investigate the effect of changes in stimulation parameters on sacral nerve stimulation for constipation. Colorectal Dis 2015; 17:990-5. [PMID: 25916959 DOI: 10.1111/codi.12982] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 02/23/2015] [Indexed: 12/10/2022]
Abstract
AIM Sacral nerve stimulation (SNS) may be offered to patients with constipation who have failed to improve with conservative treatment. The response to SNS is variable, with a significant loss of efficacy in some patients. An increased frequency of stimulation may improve the efficacy of SNS for faecal incontinence. This study aimed to see if alteration of the pulse width or frequency improved the outcome for those with constipation. METHOD Eleven patients with constipation currently being treated by SNS were recruited from three centres. They were randomized to five different protocols of stimulation each applied for 5 weeks. Group 1 used standard settings (pulse width 210 μs, frequency 14 Hz); in the other four groups (Groups 2-5) the pulse width and/or frequency were halved or doubled. Patients and investigators were blinded to the group allocation. RESULTS The Cleveland Clinic constipation score varied significantly between the five groups. Group 1 achieved the lowest score mean (± SD) 13.4 (± 4.4) (P = 0.03). The number of digitations per defaecation was the lowest in Group 4, 90 μs and 14 Hz (P < 0.01). No other variable changed significantly. Standard settings were the most preferred by the recruited patients. CONCLUSION Alteration of pulse width or frequency of stimulation had no significant effect on the outcome of SNS for constipation.
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Affiliation(s)
- G P Thomas
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - J Duelund-Jakobsen
- Department of Surgical Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - T C Dudding
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - E Bradshaw
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - R J Nicholls
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
| | - A Alam
- GI Physiology Unit, University College Hospital, London, UK
| | - A Emmanuel
- GI Physiology Unit, University College Hospital, London, UK
| | - N Thin
- Barts Health NHS Trust, London, UK
| | | | - S Laurberg
- Department of Surgical Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - C J Vaizey
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
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Adaba F, Uppara M, Iqbal F, Mallappa S, Vaizey CJ, Gabe SM, Warusavitarne J, Nightingale JMD. Chronic cholestasis in patients on parenteral nutrition: the influence of restoring bowel continuity after mesenteric infarction. Eur J Clin Nutr 2015; 70:189-93. [DOI: 10.1038/ejcn.2015.147] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Revised: 07/18/2015] [Accepted: 07/25/2015] [Indexed: 01/03/2023]
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Adaba F, Askari A, Dastur J, Patel A, Gabe SM, Vaizey CJ, Faiz O, Nightingale JMD, Warusavitarne J. Mortality after acute primary mesenteric infarction: a systematic review and meta-analysis of observational studies. Colorectal Dis 2015; 17:566-77. [PMID: 25739990 DOI: 10.1111/codi.12938] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2014] [Accepted: 01/19/2015] [Indexed: 12/12/2022]
Abstract
AIM The primary aim of this study was to determine whether the in-hospital mortality for acute mesenteric infarction has reduced in the last decade. The secondary aim was to determine if there was a statistical difference in mortality between patients having acute primary mesenteric infarction due to different causes. METHOD A literature search was performed of PubMed, Ovid (Embase) and Google Scholar databases. Studies on acute mesenteric infarction of primary vascular pathology were included for pooled analyses while studies that had reported comparative mortality between arterial, venous and non-occlusive mesenteric infarction (NOMI) were included in meta-analyses. Their quality was assessed using the National Institute for Health and Care Excellence assessment scale. Odds ratios (ORs) of mortality were calculated using a Mantel-Haenszel random effect model. RESULTS The total number of patients was 4527 and the male/female ratio was 1912/2247. The pooled in-hospital mortality was 63%. There was no significant reduction of in-hospital mortality rate in the last decade (P = 0.78). There was a significant difference in in-hospital mortality between acute arterial mesenteric infarction (73.9%) compared with acute venous mesenteric infarction (41.7%) [OR 3.47, confidence interval (CI) 2.43-4.96, P < 0.001] and NOMI (68.5%) compared with acute venous mesenteric infarction (44.2%) (OR 3.2, CI 1.83-5.6, P < 0.001). There was no difference in mortality between acute arterial mesenteric infarction and NOMI (OR 1.08, CI 0.57-2.03, P = 0.82). CONCLUSION In-hospital mortality rate has not changed in the last decade. Patients with arterial mesenteric infarction or with NOMI are over three times more likely to die during the first hospital admission compared with those with venous mesenteric infarction.
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Affiliation(s)
- F Adaba
- Intestinal Failure Unit, St Mark's Hospital, Harrow, UK
| | - A Askari
- Surgical Epidemiology Trials and Outcome Centre, St Mark's Hospital, Harrow, UK
| | - J Dastur
- Intestinal Failure Unit, St Mark's Hospital, Harrow, UK
| | - A Patel
- Intestinal Failure Unit, St Mark's Hospital, Harrow, UK
| | - S M Gabe
- Intestinal Failure Unit, St Mark's Hospital, Harrow, UK
| | - C J Vaizey
- Intestinal Failure Unit, St Mark's Hospital, Harrow, UK
| | - O Faiz
- Surgical Epidemiology Trials and Outcome Centre, St Mark's Hospital, Harrow, UK
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Maeda Y, Vaizey CJ, Warusavitarne J. Response to: Consensus on ventral rectopexy: report of a panel of experts. Colorectal Dis 2014; 16:739. [PMID: 24961473 DOI: 10.1111/codi.12691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 05/04/2014] [Indexed: 02/08/2023]
Affiliation(s)
- Y Maeda
- Department of Surgery and Sir Alan Parks Physiology Unit, St Mark's Hospital, Harrow, UK.
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Thomas GP, George AT, Dudding TC, Nicholls RJ, Vaizey CJ. A pilot study of chronic pudendal nerve stimulation for faecal incontinence for those who have failed sacral nerve stimulation. Tech Coloproctol 2014; 18:731-7. [PMID: 24952733 DOI: 10.1007/s10151-014-1174-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Accepted: 01/23/2014] [Indexed: 01/03/2023]
Abstract
BACKGROUND Sacral nerve stimulation (SNS) is used as a first-line treatment for faecal incontinence when conservative measures have failed. However, one-third of patients fail to benefit from this treatment. We hypothesised that sacral afferent stimulation can be maximised using pudendal nerve stimulation (PNS) and this may be of benefit in this patient group. The aim of this study was to assess chronic PNS for those who failed to improve with SNS. METHODS Ten patients who had failed SNS were recruited. All underwent percutaneous insertion of a stimulation lead with four-electrode array adjacent to the pudendal nerve. Continuous bipolar stimulation was administered using an external pulse generator over a 3-week period. Those who experienced a ≥50% reduction in the frequency of incontinent episodes over this period proceeded to chronic stimulation with an implantable pulse generator. RESULTS Five patients experienced a ≥50% reduction of incontinent episodes during test stimulation and proceeded to chronic stimulation. In these five patients, at a median (range) follow-up of 24 (6-36) months, the median (inter quartile range) frequency of incontinent episodes reduced from 5 (18.25) to 2.5 (3) per week (p = 0.043). Three patients maintained a ≥50% improvement in soiling. There was an improvement in the St Mark's continence Score from 19 (15-24) to 16 (13-19), p = 0.042. There were no significant changes in ability to defer defecation or in quality of life scores. CONCLUSIONS Pudendal nerve stimulation failed to improve the symptoms in the majority of patient who had failed SNS. Only a third experienced any improvement.
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Affiliation(s)
- G P Thomas
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Watford Road, Harrow, Middlesex, HA1 3UJ, UK
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Thomas GP, Norton C, Nicholls RJ, Vaizey CJ. Sacral transcutaneous stimulation for faecal incontinence may have a different mechanism of action to sacral nerve stimulation. Colorectal Dis 2014; 16:68-9. [PMID: 23927727 DOI: 10.1111/codi.12376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 06/12/2013] [Indexed: 02/08/2023]
Affiliation(s)
- G P Thomas
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Watford Road, Harrow, HA1 3UJ, UK
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Thomas GP, Dudding TC, Bradshaw E, Nicholls RJ, Vaizey CJ. A pilot study to compare daily with twice weekly transcutaneous posterior tibial nerve stimulation for faecal incontinence. Colorectal Dis 2013; 15:1504-9. [PMID: 24118972 DOI: 10.1111/codi.12428] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 07/22/2013] [Indexed: 12/12/2022]
Abstract
AIM Posterior tibial nerve stimulation (PTNS) has been shown to improve faecal incontinence in the short term. The optimal treatment regimen is unclear with wide variations in protocol reported in the literature. The study aimed to assess two different regimens of transcutaneous PTNS and to establish whether increasing the frequency of stimulation increases the effectiveness. METHOD Thirty patients were randomized to receive once daily or twice weekly PTNS for a 6-week period. The treatment was carried out by the patient at home after instruction. The primary investigator was blinded to the patient allocation until the study had ended, at which point the symptoms were assessed. No further stimulation was given after 6 weeks and the patients were followed until their symptoms returned to the pre-stimulation state (baseline). The primary outcome measure was a change in the frequency of incontinent episodes. RESULTS Three patients in the daily group and none in the twice weekly group achieved complete continence. Only patients from the daily group showed a significant reduction in median (interquartile range) incontinent episodes per week from 5 (11.13) to 3.5 (4.31) (P = 0.025). There was no significant change in the frequency of defaecation nor in the ability to defer defaecation. Patients in the daily group experienced a significant improvement in the domains of lifestyle [2.2 (1.7) to 2.6 (1.65), P = 0.04] and embarrassment [1.7 (0.85) to 2.15 (0.4), P = 0.04] on the Rockwood Fecal Incontinence Quality of Life assessment. No adverse events were reported. CONCLUSION Transcutaneous PTNS can safely be used by the patient at home. Daily treatment may be more effective than twice weekly treatment. Larger studies are needed to investigate this further.
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Affiliation(s)
- G P Thomas
- Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
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Thomas GP, dos Santos IM, Ouro SM, Thomas-Gibson S, Vaizey CJ. Colorectal disorders during pregnancy: a review. Br J Hosp Med (Lond) 2013; 74:625-30. [PMID: 24220524 DOI: 10.12968/hmed.2013.74.11.625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- G P Thomas
- Research Fellow, Sir Alan Parks Department of Physiology, St Marks Hospital and Academic Institute, Harrow
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Thomas GP, Norton C, Nicholls RJ, Vaizey CJ. A pilot study of transcutaneous sacral nerve stimulation for faecal incontinence. Colorectal Dis 2013; 15:1406-9. [PMID: 23910042 DOI: 10.1111/codi.12371] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Accepted: 04/24/2013] [Indexed: 12/28/2022]
Abstract
AIM Although effective in faecal incontinence (FI), sacral nerve stimulation (SNS) is expensive and requires two procedures. It carries a small risk of infection and electrode migration. Transcutaneous SNS is noninvasive and cheap. Two small studies have reported the results when applied to segments S3 but there is no information on its effectiveness when applied to the whole sacral area. METHOD A pilot study was carried out of self-administered transcutaneous SNS given over a 4-week period for 12 h a day. A 2-week bowel diary was kept for the final 2 weeks and compared with baseline. Patients were assessed using the St Mark's Incontinence Score, a visual analogue scale assessing satisfaction with bowel habit, the Rockwood FI Quality of Life (QOL) score and SF-36 QOL score. RESULTS Of the 10 patients recruited, two achieved complete continence. There was a statistically significant reduction in the median (interquartile range) frequency of incontinent episodes per week from 9.5 (7.5) to 3 (7.38) (P = 0.03), and in the median frequency of defaecation per week from 25.5 (19.5) to 14.5 (14.9) (P = 0.007). There was a statistically significant improvement in the median ability to defer defaecation from 1 (1.25) to 4.5 (4.5) min (P = 0.02). There was also a statistically significant improvement in the St Marks Incontinence Score from 20 (5.25) to 14.5 (8.0) (P = 0.01) and in the bowel habit satisfaction visual analogue scale from 8.5 (20) to 45 (33) (P = 0.008). There was no change in the Rockwood FI QOL or SF-36 QOL scores. No complications were reported. CONCLUSION Transcutaneous SNS appears to be an effective and safe treatment for FI. Larger controlled studies are needed to explore this further.
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Affiliation(s)
- G P Thomas
- The Sir Alan Parks Department of Physiology, St Mark's Hospital and Academic Institute, Harrow, UK
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Dudding TC, Thomas GP, Hollingshead JRF, George AT, Stern J, Vaizey CJ. Sacral nerve stimulation: an effective treatment for chronic functional anal pain? Colorectal Dis 2013; 15:1140-4. [PMID: 23692279 DOI: 10.1111/codi.12277] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2012] [Accepted: 01/23/2013] [Indexed: 02/08/2023]
Abstract
AIM Chronic idiopathic anal pain is a common condition of unknown aetiology. Patients may have co-existing psychiatric disorders and existing treatments are often ineffective. A small number of published case reports suggest that sacral nerve stimulation (SNS) could treat this condition. This pilot study aimed to investigate the efficacy of SNS for the treatment of chronic anal pain. METHOD Ten patients with chronic idiopathic anal pain were recruited. All had failed to respond to conservative treatments. Clinical and psychological evaluation was performed in all patients prior to SNS. Temporary stimulation of the S3 foramina was performed for 3 weeks and outcome assessed by comparison of a pain score diary and visual analogue score obtained during stimulation and at baseline. Primary outcome was defined as a > 50% reduction in pain score. RESULTS Of the 10 patients recruited, five were found to have clinical depression. Four patients withdrew from the study prior to testing and six underwent peripheral nerve evaluation (PNE). Three patients had > 50% reduction in pain score and progressed to permanent SNS. Of these, only one had good pain control at latest follow-up of 5 years; the remaining two patients obtained no benefit and had their devices removed or deactivated. These two patients both had depression that was also not improved by SNS. CONCLUSION This study would suggest that SNS is not an effective treatment for chronic anal pain in the majority of patients. PNE is not an effective means of identifying which of these patients are likely to respond to permanent SNS.
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Affiliation(s)
- T C Dudding
- The Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, Middlesex, UK
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Rahbour G, Gabe SM, Ullah MR, Thomas GP, Al-Hassi HO, Yassin NA, Tozer PJ, Warusavitarne J, Vaizey CJ. Seven-year experience of enterocutaneous fistula with univariate and multivariate analysis of factors associated with healing: development of a validated scoring system. Colorectal Dis 2013; 15:1162-70. [PMID: 23869525 DOI: 10.1111/codi.12363] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Accepted: 03/02/2013] [Indexed: 12/14/2022]
Abstract
AIM The management of enterocutaneous fistulae (ECF) is complex and challenging. We examined factors associated with fistula healing at a National Intestinal Failure Centre and devised the first scoring system to predict spontaneous fistula healing prior to surgery. METHOD A retrospective audit of 177 patients (mean age 48.7 years) treated over 7 years was undertaken. Results were compared with a previously reported series from this unit. Univariate and multivariate analyses wete performed on variables to assess relationship with ECF healing. A scoring system was devised and validated on a prospective cohort. RESULTS One-hundred and fifty patients underwent surgery between January 2003 and December 2009. The overall healing rate following surgery in the current series was 94.6% (82% in the previous series). Mean delay from previous surgery to the current operation was 1 year (compared with 8 months previously). Thirty-day postfistula resection mortality was 0% (compared with 3.5% previously). Twenty-seven patients underwent medical management alone with overall healing rate of 46.4% (vs 19.9%). Multivariate analysis revealed that comorbidity (P = 0.02), source of referral (P = 0.01) and aetiology (P = 0.006) had associations with healing. Almost all patients with scores of 0 and 1 healed, whereas the highest scores healed least frequently. CONCLUSION Surgical management of ECF is safe and improving. Fistula healing is affected by aetiology, comorbidity and source of referral. The scoring system has the potential to predict ECF healing and can be a useful clinical decision-making tool.
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Affiliation(s)
- G Rahbour
- Colorectal Surgery and Lennard-Jones Intestinal Failure Unit, St Mark's Hospital and Academic Institute, Harrow, UK
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Thomas GP, Dudding TC, Rahbour G, Nicholls RJ, Vaizey CJ. A review of posterior tibial nerve stimulation for faecal incontinence. Colorectal Dis 2013; 15:519-26. [PMID: 23216902 DOI: 10.1111/codi.12093] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 08/28/2012] [Accepted: 09/24/2012] [Indexed: 02/07/2023]
Abstract
AIM This review aimed to assess the published results of posterior tibial nerve stimulation (PTNS) for faecal incontinence. METHOD A search was performed of PubMed, MEDLINE and Embase to identify studies describing the clinical outcome of PTNS for faecal incontinence. RESULTS Thirteen studies were identified. These described the outcome of PTNS for faecal incontinence in 273 patients. Four described transcutaneous PTNS, eight percutaneous PTNS and one compared both methods of PTNS with a sham transcutaneous group. One investigated patients with faecal incontinence and spinal cord injury and another with inflammatory bowel disease. There was marked heterogeneity of the treatment regimens and of the end points used. All reported that PTNS improved faecal incontinence. A > 50% improvement was reported in episodes of faecal incontinence in 63-82% of patients. An improvement was seen in urgency (1-5 min). Improvement was also described in the Cleveland Clinic faecal incontinence score in eight studies. Patients with urge and mixed incontinence appear to benefit more than those with passive incontinence. Treatment regimens ranged in duration from 1-3 months. A residual therapeutic effect is seen after completion of treatment. Follow-up ranged from 1-30 months. CONCLUSION PTNS is effective for faecal incontinence. However, many of the published studies are of poor quality. Comparison between studies is difficult owing to differences in the outcome measures used, technique of PTNS and the timing and duration of treatment.
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Affiliation(s)
- G P Thomas
- St Mark's Hospital and Academic Institute, Harrow, Middlesex, UK
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George AT, Kalmar K, Sala S, Kopanakis K, Panarese A, Dudding TC, Hollingshead JR, Nicholls RJ, Vaizey CJ. Randomized controlled trial of percutaneous versus transcutaneous posterior tibial nerve stimulation in faecal incontinence. Br J Surg 2013; 100:330-8. [PMID: 23300071 DOI: 10.1002/bjs.9000] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/03/2012] [Indexed: 12/14/2022]
Abstract
BACKGROUND Percutaneous, transcutaneous and sham transcutaneous posterior tibial nerve stimulation was compared in a prospective blinded randomized placebo-controlled trial. METHODS Patients who had failed conservative treatment for faecal incontinence were randomized to one of three groups: group 1, percutaneous; group 2, transcutaneous; group 3, sham transcutaneous. Patients in groups 1 and 2 received 30-min sessions of posterior tibial nerve stimulation twice weekly for 6 weeks. In group 3, transcutaneous electrodes were placed in position but no stimulation was delivered. Symptoms were measured at baseline and after 6 weeks using a bowel habit diary and St Mark's continence score. Response to treatment was defined as a reduction of at least 50 per cent in weekly episodes of faecal incontinence compared with baseline. RESULTS Thirty patients (28 women) were enrolled. Nine of 11 patients in group 1, five of 11 in group 2 and one of eight in group 3 had a reduction of at least 50 per cent in weekly episodes of faecal incontinence at the end of the 6-week study phase (P = 0·035). Patients undergoing percutaneous nerve stimulation had a greater reduction in the number of incontinence episodes and were able to defer defaecation for a longer interval than those undergoing transcutaneous and sham stimulation. These improvements were maintained over a 6-month follow-up period. CONCLUSION Posterior tibial nerve stimulation has short-term benefits in treating faecal incontinence. Percutaneous therapy appears to have superior efficacy to stimulation applied by the transcutaneous route. REGISTRATION NUMBER NCT00530933 (http://www.clinicaltrials.gov).
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Affiliation(s)
- A T George
- Physiology Unit, St Mark's Hospital, Watford Road, Harrow HA1 3UJ, UK.
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Abstract
BACKGROUND For over 10 years sacral nerve stimulation (SNS) has been used for patients with constipation resistant to conservative treatment. A review of the literature is presented. METHODS PubMed, MEDLINE and Embase databases were searched for studies demonstrating the use of SNS for the treatment of constipation. RESULTS Thirteen studies have been published describing the results of SNS for chronic constipation. Of these, three were in children and ten in adults. Test stimulation was successful in 42-100 per cent of patients. In those who proceeded to permanent SNS, up to 87 per cent showed an improvement in symptoms at a median follow-up of 28 months. The success of stimulation varied depending on the outcome measure being used. Symptom improvement correlated with improvement in quality of life and patient satisfaction scores. CONCLUSION SNS appears to be an effective treatment for constipation, but this needs to be confirmed in larger prospective studies with longer follow-up. Improved outcome measures need to be adopted given the multiple symptoms that constipation may be associated with. Comparison with other established surgical therapies also needs consideration.
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Affiliation(s)
- G P Thomas
- The Sir Alan Parks Physiology Unit, St Mark's Hospital and Academic Institute, Watford Road, Harrow HA1 3UJ, UK
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Thomas GP, Nicholls RJ, Vaizey CJ. Sacral nerve stimulation for faecal incontinence secondary to congenital imperforate anus. Tech Coloproctol 2012; 17:227-9. [DOI: 10.1007/s10151-012-0914-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Accepted: 10/01/2012] [Indexed: 02/07/2023]
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Abstract
AIM Increasing life expectancy will increase the number of elderly patients with faecal incontinence. The study aimed to assess the safety and efficacy of sacral nerve stimulation (SNS) in patients over the age of 65 years. METHOD Patients aged over 65 years, who underwent temporary SNS from 1996 for faecal incontinence unresponsive to conservative treatment, were followed prospectively. RESULTS Between January 1996 and December 2009, 30 patients [mean age 69.3 years (SD, 3.4)] underwent temporary SNS. Twenty-three (77%) had a >50% improvement in the St Mark's Continence Score and progressed to permanent SNS implantation. Their mean (±SD) score increased from 19 (3.2) at baseline to 8 (3.4) during temporary SNS and to 9 (3.4) 3 months after permanent SNS and 10 (3.7) at the latest median follow up (IQR) of 44 (20-150) months. The corresponding values at the same intervals for urgency [mean (±SD) min] were 1 (1.4), 8 (5.2), 8 (5) and 8 (5.4) and for incontinence episodes per 2 weeks [median (±IQR)] were 10 (7-14), 1 (0-5), 2 (0-5) and 0 (0-6). CONCLUSION SNS is an effective treatment for faecal incontinence in patients over 65 years.
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Affiliation(s)
- A T George
- Department of Physiology, St Mark's Hospital, Harrow, London, UK
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Abstract
AIM Pudendal nerve stimulation (PNS), which is an alternative to sacral nerve stimulation, requires neurophysiological confirmation of correct siting of the electrode. We describe a modification of the existing technique where placement is assisted by guidance to the ischial spine by a finger introduced per anum. METHOD Cadaveric dissection was carried out to confirm the accuracy of this new approach. The surface marking of the ischial spine is marked. A stimulating needle electrode inserted through a skin incision at this point, is advanced towards the ischial spine using a finger introduced per anum as a guide. Once effective stimulation of the pudendal nerve is confirmed by observed and palpated contraction of the anal musculature, a permanent stimulating electrode is inserted and the position confirmed by radiological screening. RESULTS Using cadaveric studies, the correct surface markings for needle placement were confirmed. This technique was then applied successfully for in vivo insertion of the needle electrode in 20 patients with bowel dysfunction, with only one lead displacement occurring over a mean follow-up period of 12 months. CONCLUSION Finger-guided assistance of PNS electrode insertion is simple and reproducible without requiring neurophysiological confirmation of nerve stimulation to ensure correct lead location.
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Affiliation(s)
- A T George
- Departments of Physiology Colorectal Surgery, St Mark's Hospital, North West London Hospitals NHS Trust, Harrow, UK
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Abstract
AIM Sacral nerve stimulation (SNS) is considered a first-line surgical treatment option for faecal incontinence. There is little information on long-term results. The results of SNS for faecal incontinence performed at a single centre over a 10-year period are reported. METHOD A cohort analysis of consecutive patients treated with SNS for faecal incontinence over a 10-year period was carried out. Data were collected prospectively using bowel habit diaries and St Mark's and Cleveland Clinic incontinence scores. Treatment success was defined as a >50% reduction in episodes of faecal incontinence compared with baseline. RESULTS Temporary SNS was performed in 118 patients, and 91 (77%) were considered suitable for chronic stimulation. The median period of follow up was 22 (1-138) months. Seventy patients were followed for 1 year with success in 63 (90%). Of 18 patients followed for 5 years, 15 (83%) reported continued success, 11 (61%) maintained full efficacy, 4 (22%) reported some loss, and 3 (17%) reported complete loss. Three patients with a 10-year follow up had no loss in efficacy. Overall, complete loss of efficacy was observed in 14 (16%) patients at a median of 11.5 months following implantation. A further 5 (6%) patients showed deterioration with time. In 9 (47%), no reason for the deterioration in symptoms could be identified. CONCLUSIONS SNS can be effective for up to 10 years. Some patients experience deterioration in symptoms over time. The reasons for this are often not evident.
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Abstract
AIM Anal pain may occur in the absence of demonstrable anal pathology. Spasm of the sphincter muscles has been suggested as a cause in some patients. We aimed to assess the effectiveness of injection of botulinum toxin in treating this condition. METHOD Patients who had injection of botulinum toxin over a 3-year period were identified retrospectively. Patients were excluded if anal fissure or other organic pathology was found to account for their symptoms on examination under anaesthetic. Long-term outcome was assessed at a minimum 3-year post-procedure telephone follow up. RESULTS Fourteen (eight male) patients were identified, of median age 50 years. Botulinum toxin (20-200 u) was injected into the internal sphincter. Seven of the 14 patients reported significant improvement in symptoms at 3 months. Seven were available for a structured telephone review at a median of 59 (42-68) months. The four patients who had benefited from the injection had remained asymptomatic. CONCLUSION Injection of botulinum toxin into the internal anal sphincter has a role in alleviating symptoms in a small proportion of patients with functional anal pain.
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Dudding TC, Hollingshead JR, Nicholls RJ, Vaizey CJ. Sacral nerve stimulation for faecal incontinence: patient selection, service provision and operative technique. Colorectal Dis 2011; 13:e187-95. [PMID: 21689330 DOI: 10.1111/j.1463-1318.2011.02650.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
AIM Faecal incontinence is estimated to affect between 2 and 3% of Western adult populations. In recent years sacral nerve stimulation has become an important treatment modality, often as the first-line surgical therapy. The aim of this article was to review the current evidence regarding patient selection and surgical technique and to evaluate the logistics of providing a neurostimulation service. METHOD A Medline search was performed including the keywords and/or MeSH headings of sacral nerve stimulation, neuromodulation, artificial pacemaker, faecal incontinence, patient selection, predictive factors and anal canal. Further studies were identified by cross-referencing from relevant articles and by appraisal of recent peer-reviewed conference abstracts and proceedings. RESULTS Despite the success of sacral nerve stimulation for several pathophysiological causes of incontinence, case selection is of paramount importance. Sacral nerve stimulation should not be offered outside a multidisciplinary pelvic floor unit. Temporary evaluation using diary cards can lead to false positive and negative results. Adherence to a meticulous surgical technique, using low amplitude stimulation to guide lead placement, provides optimal clinical outcome. CONCLUSION The short-term outcome of sacral nerve stimulation is dependent on patient factors and operative technique. Despite this, specific preoperative predictive factors of treatment success have yet to be identified.
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Affiliation(s)
- T C Dudding
- Physiology Unit, St Mark's Hospital, Harrow, UK
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Abstract
AIM A knowledge of the principles of neurostimulation is essential to achieve optimal efficacy and minimize adverse effects. The aim of this article was to review the current evidence regarding device programming in the management of patients having sacral nerve stimulation (SNS) for faecal incontinence. METHOD A Medline search was performed including the keywords and/or MeSH headings of sacral nerve stimulation, neuromodulation, artificial pacemaker, faecal incontinence, programming, adverse effects and complications. Further studies were identified by cross-referencing from relevant articles and by appraisal of recent peer-reviewed conference abstracts and proceedings. RESULTS Neurostimulator programming is an important component of SNS. Efficacy can be improved or restored with reprogramming. Adverse stimulation is often reversible, and nonstimulation-related complications are correctable. A total loss of efficacy can be explained in over one-half of patients. CONCLUSION An improved outcome of SNS can be achieved by selecting the best possible stimulation parameters individualized to each patient. Further research into the optimal settings is needed.
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Affiliation(s)
- T C Dudding
- Physiology Unit, St Mark's Hospital, Harrow, Middlesex, UK
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46
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Maeda Y, Ng SC, Durdey P, Burt C, Torkington J, Rao PKD, Mayberry J, Moshkovska T, Stone CD, Carapeti E, Vaizey CJ. Randomized clinical trial of metronidazole ointment versus placebo in perianal Crohn's disease. Br J Surg 2010; 97:1340-7. [PMID: 20632322 DOI: 10.1002/bjs.7121] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND The potential for metronidazole 10 per cent ointment to exert therapeutic benefit in perianal Crohn's disease, while minimizing the adverse effects found with oral metronidazole, was evaluated in a randomized placebo-controlled study. METHODS Subjects with perianal Crohn's disease were randomized to metronidazole 10 per cent ointment, 0.7 g applied perianally three times daily, or placebo ointment. The Perianal Crohn's Disease Activity Index (PCDAI) was scored at baseline and after 4 weeks of treatment. Perianal pain was assessed on a visual analogue scale. RESULTS Seventy-four subjects (33 metronidazole, 41 placebo) were evaluated. The mean(s.e.m.) reduction in PCDAI score at 4 weeks was 2.4(0.5) in the metronidazole group and 2.2(0.4) in the placebo group (P = 0.660). More subjects in the metronidazole group than the placebo group showed a reduction in PCDAI score of at least 5 points (10 of 27 versus 4 of 34; P = 0.031). Perianal discharge was reduced significantly in metronidazole-treated subjects (P = 0.012). A greater reduction in perianal pain was seen in the metronidazole group, which approached statistical significance (P = 0.059). No serious adverse events were reported. CONCLUSION Metronidazole 10 per cent ointment was not effective in the reduction of PDCAI score, but some secondary outcomes showed improvement suggestive of a treatment effect. It is well tolerated, with minimal adverse effects, and has potential as treatment for pain and discharge associated with perianal Crohn's disease. REGISTRATION NUMBER NCT00509639 (http://www.clinicaltrials.gov).
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Affiliation(s)
- Y Maeda
- Physiology Unit, St Mark's Hospital, Harrow, UK.
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47
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Abstract
BACKGROUND The factors leading to faecal incontinence in males are less well understood than those in females. In this prospective study we aimed to compare the physiological, anatomical, psychological and behavioural characteristics of male and female patients presenting with symptoms of faecal incontinence. METHOD One hundred and nine patients presenting with symptoms of faecal incontinence were studied. They underwent anorectal physiological studies, endoanal ultrasonography, and completed a St Mark's Incontinence Score, a locally developed pad questionnaire, a bowel symptom questionnaire, the Short Form 36 (SF-36) Health Survey questionnaire, the Hospital Anxiety and Depression Scale and the Maudsley Obsessive Compulsive Inventory. RESULTS Thirty-four men (mean age 59 years, SD 14 years, range 33-80) and 75 women (mean age 55 years, SD 15 years, range 21-86) participated in the study. Twenty-one patients (38% of men and 11% of women) had normal manometry and endoanal ultrasonography. There was no significant difference in the resting pressures of men compared with women, but men had significantly higher squeeze pressures. Rectal capacity was significantly higher in men but anal and rectal electrosensitivities were the same. Men placed a tissue at the anus more commonly than women while women were more likely to use a pad and to carry a spare pair of underwear around with them. Psychological profiles were very similar in the two sexes. CONCLUSIONS Nearly 40% of men with faecal incontinence report it in the absence of a definable functional or structural sphincter abnormality. There are differences in physiological characteristics and coping behaviours of men and women with faecal incontinence.
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Affiliation(s)
- Y Maeda
- St Mark's Hospital, London, UK
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Abstract
Abstract
Background
Severe obstetric injury can result in a defect similar to a congenital cloacal deformity, with associated faecal incontinence and sexual dysfunction. The aim of this study was to assess the efficacy of surgical repair of such injuries.
Methods
Patients were identified retrospectively from hospital records. Long-term follow-up data were collected by telephone interview.
Results
Outcomes in 31 consecutive patients seen over a 14-year period were reviewed. An overlapping external sphincter repair, with repair of the anorectum and vagina, was performed in 29 patients. Detailed long-term follow-up data were available for 20 patients at a median of 5 years after surgery. Three patients had a stoma at presentation. Surgical repair reduced incontinence to solid stool from seven of 17 to none of 20 patients, to liquid stool from 14 of 17 to ten of 20, and to flatus from 17 of 17 to 12 of 20. Nine patients reported improvement in sexual function.
Conclusion
Surgical repair of a cloacal injury is associated with significant improvements in faecal incontinence and sexual function. Outcomes are similar to those seen with repair of less severe injuries, and may be maintained in the long term.
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Affiliation(s)
- J R F Hollingshead
- Department of Surgery, St Mark's Hospital, Watford Road, Harrow HA1 3UJ, UK
| | - J Warusavitarne
- Department of Surgery, St Mark's Hospital, Watford Road, Harrow HA1 3UJ, UK
| | - C J Vaizey
- Department of Surgery, St Mark's Hospital, Watford Road, Harrow HA1 3UJ, UK
| | - J M A Northover
- Department of Surgery, St Mark's Hospital, Watford Road, Harrow HA1 3UJ, UK
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Dudding TC, Vaizey CJ, Gibbs A, Kamm MA. Improving the efficacy of sacral nerve stimulation for faecal incontinence by alteration of stimulation parameters. Br J Surg 2009; 96:778-84. [DOI: 10.1002/bjs.6637] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Abstract
Background
Sacral nerve stimulation (SNS) is an effective treatment for faecal incontinence, but only standard stimulation parameters have been used. This study assessed the clinical impact of altering the parameters.
Methods
Twelve patients with partially improved faecal incontinence following SNS underwent acute testing to select optimal stimulation parameters; rectal compliance was used as a surrogate marker. Parameters tested were: stimulation off; frequency 14 (standard), 31 or 6·9 Hz; and pulse duration 210 (standard), 450 or 90 µs. Patients completed a 2-week bowel diary, St Mark's continence score (SMCS) and Rockwood faecal incontinence quality-of-life (FIQL) score before testing using standard settings, and after testing using optimized settings.
Results
Optimal settings, determined by greatest increase in rectal compliance, were shorter pulse width in five patients and higher frequency in seven. Optimized stimulation resulted in a decrease in mean episodes of incontinence from 2·3 to 1·2 per week (P = 0·031), soiling from 3·3 to 1·7 days per week (P = 0·016), faecal urgency from 31 to 18 per cent of all evacuations (P = 0·055) and SMCS from 12·3 to 8·7 (P = 0·008); the FIQL coping/behaviour score improved (P = 0·008).
Conclusion
With a shorter pulse width and higher frequency, clinical efficacy in patients undergoing SNS for faecal incontinence can be improved.
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Affiliation(s)
- T C Dudding
- Physiology Unit, St Mark's Hospital, London, UK
| | - C J Vaizey
- Physiology Unit, St Mark's Hospital, London, UK
| | - A Gibbs
- Physiology Unit, St Mark's Hospital, London, UK
| | - M A Kamm
- Physiology Unit, St Mark's Hospital, London, UK
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