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Cross KLR, Brown SR, Kleijnen J, Bunce J, Paul M, Pilkington S, Warren O, Jones O, Lund J, Goss HJ, Stanton M, Marunda T, Gilani A, Ngu LWS, Tozer P. The Association of Coloproctology of Great Britain and Ireland guideline on the management of anal fissure. Colorectal Dis 2023; 25:2423-2457. [PMID: 37926920 DOI: 10.1111/codi.16762] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 07/24/2023] [Accepted: 08/03/2023] [Indexed: 11/07/2023]
Abstract
AIM The management of anal fissure: ACPGBI position statement was written 15 years ago. [KLR Cross et al., Colorectal Dis, 2008]. Our aim was to update the guideline and provide recommendations on the most effective treatment for patients with anal fissures utilising a multidisciplinary, rigorous guideline methodology. METHODS The development process consisted of six phases. In phase 1 we defined the scope of the guideline. The patient population included patients with acute and chronic anal fissure. The target group was all practitioners (primary and secondary care) treating patients with fissures and, in addition, healthcare workers and patients who desired information regarding fissure management. In phase 2 we formed a guideline development group (GDG) including a methodologist. In phase 3 review questions were formulated, using a reversed PICO process, starting with possible recommendations based on the GDG's knowledge. In phase 4 a comprehensive literature search focused on existing systematic reviews addressing each review question, supplemented by more recent studies if appropriate. In phase 5 data were extracted from the included papers and checked by the GDG. If indicated, meta-analysis of systematic review data was updated by the GDG. During phase 6 the GDG members decided what recommendations could be made based on the evidence in the literature and strength of the recommendation was assessed using 'grade'. RESULTS This guideline is divided into two sections: Primary care which includes (i) diagnosis; (ii) basic treatment; (iii) topical treatment; and secondary care which includes (iv) botulinum toxin therapy; (v) surgical intervention and (vi) special situations (including pregnancy and breast-feeding patients, children, receptive anal intercourse and low-pressure fissures). A total of 23 recommendations were formulated. A new term clinically healed was described by the GDG. CONCLUSION This guideline provides an up-to-date evidence-based summary of the current knowledge of the management of anal fissure and may serve as a useful guide for clinicians as well as a potential reference for patients.
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Affiliation(s)
- Katie L R Cross
- Department of General Surgery, Royal Devon Healthcare Trust, Barnstaple, UK
| | - Steven R Brown
- Department of Surgery, Sheffield Teaching Hospitals, Sheffield, UK
| | | | - James Bunce
- Royal Derby Hospital, The University of Nottingham, Nottingham, UK
| | - Melanie Paul
- Department of Surgery, Royal Derby Hospital, Derby, UK
| | | | - Oliver Warren
- Department of Colorectal Surgery, Chelsea and Westminster Hospital NHS Foundation Trust, London, UK
- Department of Cancer and Surgery, Imperial College London, London, UK
| | - Oliver Jones
- Department of Colorectal Surgery, Churchill Hospital, Oxford, UK
| | - Jon Lund
- Department of Surgery, Royal Derby Hospital, Derby, UK
| | - Henry J Goss
- Pharmacy Department, Royal Devon Healthcare Trust, Southampton, UK
| | - Michael Stanton
- Department of Paediatric Surgery, University Hospital, Southampton, UK
| | - Tatenda Marunda
- St Mark's Hospital, London North West University Healthcare Trust, Harrow, UK
| | - Artaza Gilani
- UCL Research Department of Primary Care and Population Health, University College London Medical School (Royal Free Hospital Campus), London, UK
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Davids JS, Hawkins AT, Bhama AR, Feinberg AE, Grieco MJ, Lightner AL, Feingold DL, Paquette IM. The American Society of Colon and Rectal Surgeons Clinical Practice Guidelines for the Management of Anal Fissures. Dis Colon Rectum 2023; 66:190-199. [PMID: 36321851 DOI: 10.1097/dcr.0000000000002664] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jennifer S Davids
- Division of Colon and Rectal Surgery, University of Massachusetts, Worcester, Massachusetts
| | - Alexander T Hawkins
- Division of General Surgery, Section of Colon and Rectal Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Anuradha R Bhama
- Department of Colorectal Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Adina E Feinberg
- Division of General Surgery, Joseph Brant Hospital, Burlington, Ontario, Canada
| | - Michael J Grieco
- Division of Colon and Rectal Surgery, New York University, New York, New York
| | - Amy L Lightner
- Department of Colorectal Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Daniel L Feingold
- Division of Colon and Rectal Surgery, Rutgers University, New Brunswick, New Jersey
| | - Ian M Paquette
- Division of Colon and Rectal Surgery, University of Cincinnati, Cincinnati, Ohio
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Jin JZ, Bhat S, Park B, Hardy MO, Unasa H, Mauiliu-Wallis M, Hill AG. A systematic review and network meta-analysis comparing treatments for anal fissure. Surgery 2022; 172:41-52. [PMID: 34998619 DOI: 10.1016/j.surg.2021.11.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/21/2021] [Accepted: 11/29/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND There are multiple treatments for anal fissures. These range from medical treatment to surgical procedures, such as sphincterotomy. The aim of this study was to compare the relative clinical outcomes and effectiveness of interventional treatments for anal fissure. METHODS Randomized controlled trials were identified by means of a PRISMA-compliant systematic review using the Medline, EMBASE, and CENTRAL databases. Inclusion criteria were randomized controlled trials comparing treatments for anal fissure. A Bayesian network meta-analysis was performed using BUGSnet package in R. Outcomes of interest were healing (6-8-, 10-16-, and >16-week follow-up), symptom recurrence, pain (measured on a visual analog scale), and fecal or flatus incontinence. PROPSERO Registration: CRD42021229615. RESULTS Sixty-nine randomized controlled trials were included in the analysis. Lateral sphincterotomy remains the treatment with the highest odds of healing compared to botulinum toxin and medical therapy at all follow-up time points. There was no significant difference in healing between botulinum toxin and medical therapy at any time point. Advancement flap showed similar effectiveness compared to lateral sphincterotomy. Medical treatment and botulinum toxin had the highest pain scores at follow-up. Sphincterotomy had the highest odds of fecal and flatus incontinence. CONCLUSION Lateral sphincterotomy had the highest rates of healing and should be considered as the definitive treatment after failed initial therapy with botulinum toxin or medical treatment. Botulinum toxin was equally effective compared to medical treatment. Advancement flap shows similar effectiveness compared to lateral sphincterotomy, but more studies are needed to evaluate its efficacy.
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Affiliation(s)
- James Z Jin
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand.
| | - Sameer Bhat
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand
| | - Brittany Park
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand
| | - Molly-Olivia Hardy
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand
| | - Hanson Unasa
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand
| | - Melbourne Mauiliu-Wallis
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand
| | - Andrew G Hill
- Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Middlemore Hospital, Auckland, New Zealand
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D'Orazio B, Geraci G, Bonventre S, Calì D, Di Vita G. Safety and effectiveness of saving sphincter procedure in the treatment of chronic anal fissure in female patients. BMC Surg 2021; 21:350. [PMID: 34560857 PMCID: PMC8461903 DOI: 10.1186/s12893-021-01346-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 09/13/2021] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Lateral internal sphincterotomy (LIS) is still the approach of choice for the treatment of chronic anal fissure (CAF) regardless to the internal anal sphincter tone but it is burdened by high risk post-operative faecal incontinence (FI). In female patient there are some anatomical and functional differences of the sphinteric system which make them more at risk of FI and vaginal birth could cause sphinteric lesions affecting the anal continence function. The aim of our study is to evaluate the results of saving sphincter procedure as treatment for female patients affected by CAF. METHODS We studied 110 female patients affected by CAF undergone fissurectomy and anoplasty with V-Y cutaneous flap advancement associating pharmacological sphincterotomy in patients with hypertonic IAS. The follow up was at least for 2 years. The goals were patient's complete healing, the evaluation of FI, recurrence rate and manometry parameters. RESULTS All wounds healed within 40 days after surgery. We recorded 8 cases of recurrences 6 healed with medical therapy and 2 with dilatation. We recorded 2 "de novo" temporary and low grade post-operative cases of FI. Post-operative value of MRP were unmodified in patient with normotonic IAS but significantly lower at 12 months follow up as compared with the pre-operative ones in patients with hypertonic IAS; after 24 months from surgery MRP values were within the normal range. CONCLUSION The fissurectomy and anoplasty with V-Y cutaneous flap alone or in association with a pharmacological sphincterotomy in patients with hypertonic IAS may represent an effective approach for the treatment of CAF in female patients.
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Affiliation(s)
- Beatrice D'Orazio
- General Surgery Unit, Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Via Liborio Giuffrè, 5, 90127, Palermo, Italy
| | - Girolamo Geraci
- General Surgery Unit, Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Via Liborio Giuffrè, 5, 90127, Palermo, Italy
| | - Sebastiano Bonventre
- General Surgery Unit, Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Via Liborio Giuffrè, 5, 90127, Palermo, Italy
| | - Dario Calì
- General Surgery Unit, Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Via Liborio Giuffrè, 5, 90127, Palermo, Italy
- Postgraduate Medical School in General Surgery, University of Palermo, Palermo, Italy
| | - Gaetano Di Vita
- General Surgery Unit, Department of Surgical, Oncological and Stomatological Sciences, University of Palermo, Via Liborio Giuffrè, 5, 90127, Palermo, Italy.
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Safety and effectiveness of minimal sphincterotomy in the treatment of female patients with chronic anal fissure. Updates Surg 2020; 73:1829-1836. [DOI: 10.1007/s13304-020-00874-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/25/2020] [Indexed: 01/19/2023]
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Abstract
ZusammenfassungDie Analfissur ist eine der häufigsten Pathologien, welche sich dem Proktologen präsentiert. Entsprechend ist es wichtig, verlässliche Leitlinien dazu zu entwickeln. Die aktuelle Leitlinie wurde anhand eines systematischen Literaturreview von einem interdisziplinären Expertengremium diskutiert und verabschiedet.Die akute Analfissur, soll auf Grund ihrer hohen Selbstheilungstendenz konservativ behandelt werden. Die Heilung wird am besten durch die Einnahme von Ballaststoff reicher Ernährung und einer medikamentösen Relaxation durch Kalziumkanal-Antagonisten (CCA) unterstützt. Zur Behandlung der chronischen Analfissur (CAF), soll den Patienten eine medikamentöse Behandlung zur „chemischen Sphinkterotomie“ mittels topischer CCA oder Nitraten angeboten werden. Bei Versagen dieser Therapie, kann zur Relaxation des inneren Analsphinkters Botulinumtoxin injiziert werden. Es ist belegt, dass die operativen Therapien effektiver sind. Deshalb kann eine Operation schon als primäre Therapie oder nach erfolgloser medikamentöser Therapie erfolgen. Die Fissurektomie, evtl. mit zusätzlicher Botulinumtoxin Injektion oder Lappendeckung, ist die Operation der Wahl. Obwohl die laterale Internus Sphinkterotomie die CAF effektiver heilt, bleibt diese wegen dem höheren Risiko für eine postoperative Stuhlinkontinenz eine Option für Einzelfälle.
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Siddiqui J, Fowler GE, Zahid A, Brown K, Young CJ. Treatment of anal fissure: a survey of surgical practice in Australia and New Zealand. Colorectal Dis 2019; 21:226-233. [PMID: 30411476 DOI: 10.1111/codi.14466] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 10/19/2018] [Indexed: 12/19/2022]
Abstract
AIM The aim was to determine whether or not the clinical management of anal fissure in Australia and New Zealand accords with published guidelines. METHODS A comprehensive survey based on common clinical scenarios was distributed to 206 colorectal surgeons in Australia and New Zealand. RESULTS The response rate was 44% (91 surgeons). For 19 topic areas, only seven (37%) reached consensus (defined as > 70% majority opinion). Of these, six (86%) agreed with guideline recommendations. Twelve (63%) topic areas demonstrated community equipoise (defined as less than or equal to 70% majority opinion), of which five (42%) agreed with guideline recommendations and seven (58%) disagreed with guidelines. Of the seven topics that disagreed with guidelines, three were based on moderate quality evidence (first line management of acute anal fissure in a young patient, fissure healing and faecal incontinence rates following anocutaneous flap) and four were based on low quality evidence (length of sphincter division during a lateral sphincterotomy in women, management of chronic low-pressure anal fissures postpartum, fissure healing rate following anoplasty with botulinum toxin or sphincterotomy and faecal incontinence rates following repeat sphincterotomy for recurrence). Consensus and/or agreement with guidelines were more prevalent in management when medical therapy failed. CONCLUSION While areas of consensus mostly agreed with guideline recommendations, there remain many areas of community equipoise which warrant further research.
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Affiliation(s)
- J Siddiqui
- Department of Colorectal Surgery, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - G E Fowler
- Department of Colorectal Surgery, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.,Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
| | - A Zahid
- Department of Colorectal Surgery, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - K Brown
- Department of Colorectal Surgery, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - C J Young
- Department of Colorectal Surgery, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.,Central Clinical School, University of Sydney, Sydney, New South Wales, Australia
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Ulyanov AA, Solomka AY, Achkasov EE, Antipova EV, Kuznetsova EV. [Chronic anal fissure: etiopathogenesis, diagnosis, treatment]. Khirurgiia (Mosk) 2018:89-95. [PMID: 30531762 DOI: 10.17116/hirurgia201811189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Etiology, epidemiology and pathophysiology of anal fissure are examined in the article in order to determine the most optimal treatment strategy. The authors concluded that the most effective treatment is combined approach using both minimally invasive surgery and various medicines for anal spasm reduction.
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Affiliation(s)
- A A Ulyanov
- Central Literary Fund Clinic, Moscow, Russia
| | - A Ya Solomka
- Municipal Clinical Hospital #24 of Moscow Healthcare Department, Moscow, Russia
| | - E E Achkasov
- Sechenov First Moscow State Medical University, Moscow, Russia
| | - E V Antipova
- Municipal Clinical Hospital #24 of Moscow Healthcare Department, Moscow, Russia
| | - E V Kuznetsova
- Municipal Clinical Hospital #24 of Moscow Healthcare Department, Moscow, Russia
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Nelson RL, Manuel D, Gumienny C, Spencer B, Patel K, Schmitt K, Castillo D, Bravo A, Yeboah-Sampong A. A systematic review and meta-analysis of the treatment of anal fissure. Tech Coloproctol 2017; 21:605-625. [PMID: 28795245 DOI: 10.1007/s10151-017-1664-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 06/14/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Anal fissure has a very large number of treatment options. The choice is difficult. In an effort to assist in that, choice presented here is a systematic review and meta-analysis of all published treatments for anal fissure that have been studied in randomized controlled trials. METHODS Randomized trials were sought in the Cochrane Controlled Trials Register, Medline, EMBASE and the trials registry sites clinicaltrials.gov and who/int/ictrp/search/en. Abstracts were screened, full-text studies chosen, and finally eligible studies selected and abstracted. The review was then divided into those studies that compared two or more surgical procedures and those that had at least one arm that was non-surgical. Studies were further categorized by the specific interventions and comparisons. The outcome assessed was treatment failure. Negative effects of treatment assessed were headache and anal incontinence. Risk of bias was assessed for each study, and the strength of the evidence of each comparison was assessed using the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) approach. RESULTS One hundred and forty-eight eligible trials were found and assessed, 31 in the surgical group and 117 in the non-surgical group. There were 14 different operations described in the surgical group and 29 different non-surgical treatments in the non-surgical group along with partial lateral internal sphincterotomy (LIS). There were 61 different comparisons. Of these, 47 were reported in 2 or fewer studies, usually with quite small patient samples. The largest single comparison was glyceryl trinitrate (GTN) versus control with 19 studies. GTN was more effective than control in sustained cure (OR 0.68; 95% CI 0.63-0.77), but the quality of evidence was very poor because of severe heterogeneity, and risk of bias due to inadequate clinical follow-up. The only comparison to have a GRADE quality of evidence of high was a subgroup analysis of LIS versus any medical therapy (OR 0.12; CI 0.07-0.21). Most of the other studies were downgraded in GRADE due to imprecision. CONCLUSIONS LIS is superior to non-surgical therapies in achieving sustained cure of fissure. Calcium channel blockers were more effective than GTN and with less risk of headache, but with only a low quality of evidence. Anal incontinence, once thought to be a frequent risk with LIS, was found in various subgroups in this review to have a risk between 3.4 and 4.4%. Among the surgical studies, manual anal stretch performed worse than LIS in the treatment of chronic anal fissure in adults. For those patients requiring surgery for anal fissure, open LIS and closed LIS appear to be equally efficacious, with a moderate GRADE quality of evidence. All other GRADE evaluations of procedures were low to very low due mostly to imprecision.
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Affiliation(s)
- R L Nelson
- Epidemiology/Biometry Division, University of Illinois School of Public Health, 1603 West Taylor Room 956, Chicago, IL, 60612, USA.
| | - D Manuel
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - C Gumienny
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - B Spencer
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - K Patel
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - K Schmitt
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - D Castillo
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - A Bravo
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
| | - A Yeboah-Sampong
- Honors College, University of Illinois at Chicago, Chicago, IL, USA
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Operative and medical treatment of chronic anal fissures-a review and network meta-analysis of randomized controlled trials. J Gastroenterol 2017; 52:663-676. [PMID: 28396998 DOI: 10.1007/s00535-017-1335-0] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 03/20/2017] [Indexed: 02/06/2023]
Abstract
Anal fissures are a common problem and have a cumulative lifetime incidence of 11%. Previous reviews on anal fissures show inconsistent results regarding post-interventional healing and incontinence rates. In this review our aim was to compare the treatments for chronic anal fissures by incorporating indirect comparisons using network meta-analysis. The PubMed database was searched for randomized controlled trials (RCTs) published between 1975 and 2015. The primary outcome measures were healing and incontinence rates after lateral internal sphincterotomy (LIS), anal dilatation (DILA), anoplasty and/or fissurectomy (FIAP), botulinum toxin (BT) and noninvasive treatment (NIT). Random effects network meta-analyses were complemented by fixed effects and Bayesian models. The present analysis included 44 RCTs and 3268 patients. After a median follow-up of 2 months, the healing rates for LIS, DILA, FIAP, BT and NIT were 93.1, 84.4, 79.8, 62.6, and 58.6% and the incontinence rates were 9.4, 18.2, 4.9, 4.1, and 3.0%, respectively. Compared with NIT, the odds ratio (OR) [95% confidence interval (CI)] for healing after LIS, DILA, FIAP and BT was 9.9 (5.4-18.1), 8.6 (3.1-24.0), 3.5 (1.0-12.7) and 1.9 (1.1-3.5), respectively, on network meta-analysis. The OR (95% CI) for incontinence after LIS, DILA, FIAP and BT was 6.8 (3.1-15.1), 16.9 (6.0-47.8), 3.9 (1.0-15.1) and 1.6 (0.7-3.7), respectively. Ranking of treatments, fixed effects and Bayesian models confirmed these findings. In conclusion, based on our meta-analysis LIS is the most efficacious treatment but is compromised by a high rate of postoperative incontinence. Given the trade-offs between the risks and benefits, FIAP and BT might be good alternatives for the treatment of chronic anal fissures.
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Hang MTH, Smith BE, Keck C, Keshavarzian A, Sedghi S. Increasing efficacy and reducing side effects in treatment of chronic anal fissures: A study of topical diazepam therapy. Medicine (Baltimore) 2017; 96:e6853. [PMID: 28514300 PMCID: PMC5440137 DOI: 10.1097/md.0000000000006853] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
This is a single institution nonexperimental study intended to analyze the therapeutic efficacy of topical diazepam in treating symptoms of chronic anal fissures.Anal fissures are a common cause of anal pain. Conventional treatments include nonsteroidal anti-inflammatory drugs, topical creams, such as nitroglycerin and nifedipine, and surgery. However, these treatments are usually suboptimally efficacious or have deterring side effects.Patients at an outpatient community center with a diagnosis of a chronic anal fissure were prescribed either topical 2% (n = 19) or 4% (n = 18) diazepam cream between January 2013 and February 2015. We retrospectively analyzed their responses to treatment.All 19 patients using 2% diazepam cream experienced a positive response in pain, whereas 47.4% experienced a complete response, with a numerical rating scale (NRS) score of 0 (0-10). Eighty-eight percent of patients using 4% dose had a positive response in pain, whereas 23.5% experienced a complete response. Ninety-four percent of patients using 2% dose had a positive response in anal bleeding, whereas 68.8% experienced a complete response with an anal bleeding score (ABS) of 2 (2-9). Ninety-four percent of patients using 4% dose had a positive response in anal bleeding, whereas 64.7% experienced a complete response. Only 1 patient reported a side effect from diazepam cream-perianal pruritus.Both 2% and 4% topical diazepam provided significant pain and bleeding relief from chronic anal fissures that were refractory to conventional therapies. There were insignificant differences when assessing independent comparisons for pain and bleeding between the doses.
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Affiliation(s)
- Minh Tuan H. Hang
- Division of Gastroenterology, Department of Internal Medicine, Mercer University School of Medicine, Macon, GA
| | - Betsy E. Smith
- Division of Gastroenterology, Department of Internal Medicine, Mercer University School of Medicine, Macon, GA
| | - Carson Keck
- Division of Medicine, Medical University of South Carolina, Charleston, SC
| | - Ali Keshavarzian
- Division of Digestive Diseases, Rush University Medical Center, Chicago, IL
| | - Shahriar Sedghi
- Division of Gastroenterology, Department of Internal Medicine, Mercer University School of Medicine, Macon, GA
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13
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Abstract
An anal fissure is a common, mostly benign, condition that can be acute or chronic. The diagnosis is usually made on history and physical examination, but further investigations are sometimes necessary. Primary fissures are usually benign and located in the posterior or anterior position. Secondary fissures are lateral or multiple and often indicate a more serious underlying pathology. The management of primary anal fissures is generally non-operative and includes increased dietary fibre, sitz baths, topical ointments and botulinum toxin injections. If these treatments are ineffective the patient will need a surgical referral. Secondary anal fissures require further investigation. Multidisciplinary management is preferable and is essential in the case of malignancy.
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Deng ZH, Zhao BM. Choice of treatments for anal fissure. Shijie Huaren Xiaohua Zazhi 2013; 21:1197-1204. [DOI: 10.11569/wcjd.v21.i13.1197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Chronic anal fissure (CAF) is one of the most common and painful proctologic diseases. Its treatment has long been discussed and several different therapeutic options have been proposed. The understanding of its pathophysiology has led to a progressive reduction of invasive and potentially invalidating treatments in favor of conservative treatment. Lateral internal sphincterotomy (LIS) is a surgical treatment that is considered the 'gold standard' therapy for CAF. It relieves CAF symptoms with a high rate of healing. The risk of incontinence after this procedure seems to be severe. Chemical sphincterotomy (CS) is safe, with the rapid relief of pain, no risk of surgery or anesthesia, but is a statistically less effective therapy for CAF than LIS. In recent years, fissurectomy coupled with CS has been demonstrated to be a satisfactory treatment for chronic anal fissure and an alternative to lateral sphincterotomy when conservative measures fail.
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Abstract
Anal fissure is one of the most common anorectal problems. Anal fissure is largely associated with high anal sphincter pressures and most treatment options are based on reducing anal pressures. Conservative management, using increased fiber and warm baths, results in healing of approximately half of all anal fissures. In fissures that fail conservative care, various pharmacologic and surgical options offer satisfactory cure rates. Lateral internal sphincterotomy remains the gold standard for definitive management of anal fissure. This review outlines the key points in the presentation, pathophysiology, and management of anal fissure.
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Schornagel IL, Witvliet M, Engel AF. Five-year results of fissurectomy for chronic anal fissure: low recurrence rate and minimal effect on continence. Colorectal Dis 2012; 14:997-1000. [PMID: 21955514 DOI: 10.1111/j.1463-1318.2011.02840.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
AIM The aim of the study was to determine the long-term outcome, recurrence rate and faecal incontinence score after fissurectomy for chronic anal fissure (CAF) not responding to conservative treatment. METHOD Fifty-three consecutive patients (29 women) who underwent fissurectomy for a medically resistant CAF between 1998 and 2005 were included in the study. At a minimum follow-up of 5 years a standardized questionnaire was sent to all patients, assessing recurrence, satisfaction with the operation (on a scale of 0-10) and faecal continence (Vaizey score, 0-24). The patients were compared with a control group of 50 healthy volunteers, matched for sex and age, who had never undergone anal surgery. RESULTS Forty-three (81%) patients (25 women) returned the questionnaire. The mean age was 40 (SD 12.1) years and median follow up was 8.2 (5.5-12.2) years. Five patients had a recurrent CAF (11.6%). Ninety per cent of patients would have consented to the operation again if necessary. The mean Vaizey score at follow-up was 2.5 (SD ± 4.2). The mean Vaizey score of the four patients who had had a previous lateral sphincterotomy was 3.8 and for the eight patients who had reported a continence disturbance before fissurectomy it was 8.3. The mean Vaizey score of the 31 patients who were continent before fissurectomy was 0.8 compared with 0.4 in the control group (P = 0.9). CONCLUSION At 5 years or more fissurectomy for medically resistant CAF is effective with a low recurrence rate and minimal influence on continence.
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Affiliation(s)
- I L Schornagel
- Department of Colorectal Surgery, Zaans Medical Centre, Zaandam, The Netherlands
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17
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Sinha R, Kaiser AM. Efficacy of management algorithm for reducing need for sphincterotomy in chronic anal fissures. Colorectal Dis 2012; 14:760-4. [PMID: 21801296 DOI: 10.1111/j.1463-1318.2011.02736.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Lateral internal sphincterotomy is the most effective treatment for chronic anal fissure (CAF), but carries a risk of faecal incontinence. We aimed to analyse efficacy and acceptance of a treatment algorithm in reducing the rate of necessary sphincterotomies. METHOD Patients with CAF seen from 2001 to 2010 were retrospectively analysed. All patients were offered all steps of the algorithm nitroglycerine (NTG) → Botox (BTX) → surgery, unless symptoms or patient preference demanded a more aggressive treatment. Patients were followed up in clinic, and treatment was advanced if a step either failed or caused intolerable side effects. RESULTS Two hundred and nine patients were included in the analysis. Mean duration of symptoms was 25.6 months and mean follow up 16 months. One hundred and 41 patients started on NTG, 36 on BTX, and 31 went straight to surgery. One patient opted for no treatment. Symptoms persisted in 58 (41.1%) of 141 NTG patients. Forty-five (31.9% of NTG subset) were advanced to BTX and 13 (9.2% of subset) to surgery. Of the 81 (36 primary + 45 secondary) BTX patients (38.8% of the total), only 11 (13.6% of subset) required surgery. A total of 55 (31 primary + 24 secondary; 26.3%) patients needed surgery: two (3.6%) fissures did not heal, one patient developed an abscess, 14 (25.5%) had prolonged wound healing and two (3.6%) developed a recurrent fissure after the sphincterotomy had healed. CONCLUSION Our algorithm is effective in CAF and the majority of patients respond to conservative management. Only 26.3% of all patients require surgery, which is effective but also carries some temporary morbidity.
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Affiliation(s)
- R Sinha
- Department of Colorectal Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA
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Abstract
BACKGROUND Because of the disability associated with surgery for anal fissure and the risk of incontinence, medical alternatives for surgery have been sought. Most recently, pharmacologic methods that relax the anal smooth muscle, to accomplish reversibly what occurs in surgery, have been used to obtain fissure healing. OBJECTIVES To assess the efficacy and morbidity of various medical therapies for anal fissure. SEARCH METHODS Search terms include "anal fissure randomized". Timing from 1966 to August 2010. Further details of the search below. SELECTION CRITERIA Studies in which participants were randomized to a non-surgical therapy for anal fissure. Comparison groups may include an operative procedure, an alternate medical therapy or placebo. Chronic fissure, acute fissure and fissure in children are included in the review. Atypical fissures associated with inflammatory bowel disease or cancer or anal infection are excluded. DATA COLLECTION AND ANALYSIS Data were abstracted from published reports and meeting abstracts, assessing method of randomization, blinding, "intention to treat" and drop-outs, therapies, supportive measures (applied to both groups), dosing and frequency and cross-overs. Dichotomous outcome measures included Non-healing of the fissure (a combination of persistence and recurrence), and Adverse events (including incontinence, headache, infection, anaphylaxis). Continuous outcome measures included measures of pain relief and anorectal manometry. MAIN RESULTS In this update 23 studies including 1236 participants is added to the 54 studies and 3904 participants in the 2008 publication, however 2 studies were from the last version reclassified as un included, so the final number of participants is 5031.49 different comparisons of the ability of medical therapies to heal anal fissure have been reported in 75 RCTs. Seventeen agents were used (nitroglycerin ointment (GTN), isosorbide mono & dinitrate, Botulinum toxin (Botox), diltiazem, nifedipine (Calcium channel blockers or CCBs), hydrocortisone, lignocaine, bran, minoxidil, indoramin, clove oil, L-arginine, sitz baths, sildenafil, "healer cream" and placebo) as well as Sitz baths, anal dilators and surgical sphincterotomy. GTN was found to be marginally but significantly better than placebo in healing anal fissure (48.9% vs. 35.5%, p < 0.0009), but late recurrence of fissure was common, in the range of 50% of those initially cured. Botox and CCBs were equivalent to GTN in efficacy with fewer adverse events. No medical therapy came close to the efficacy of surgical sphincterotomy, though none of the medical therapies in these RCTs were associated with the risk of incontinence. AUTHORS' CONCLUSIONS Medical therapy for chronic anal fissure, currently consisting of topical glyceryl trinitrate, botulinum toxin injection or the topical calcium channel blockers nifedipine or diltiazem in acute and chronic fissure and fissure in children may be applied with a chance of cure that is marginally better than placebo. For chronic fissure in adults all medical therapies are far less effective than surgery. A few of the newer agents investigated show promise based only upon single studies (clove oil, sildenifil and a "healer cream") but lack comparison to more established medications.
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Affiliation(s)
- Richard L Nelson
- Department of General Surgery, Northern General Hospital, Sheffield, UK.
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Madalinski MH. Identifying the best therapy for chronic anal fissure. World J Gastrointest Pharmacol Ther 2011; 2:9-16. [PMID: 21577312 PMCID: PMC3091162 DOI: 10.4292/wjgpt.v2.i2.9] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2010] [Revised: 03/20/2011] [Accepted: 03/28/2011] [Indexed: 02/06/2023] Open
Abstract
Chronic anal fissure (CAF) is a painful tear or crack which occurs in the anoderm. The optimal algorithm of therapy for CAF is still debated. Lateral internal sphincterotomy (LIS) is a surgical treatment, considered as the ‘gold standard’ therapy for CAF. It relieves CAF symptoms with a high rate of healing. Chemical sphincterotomy (CS) with nitrates, calcium blockers or botulinum toxin (BTX) is safe, with the rapid relief of pain, mild side-effects and no risk of surgery or anesthesia, but is a statistically less effective therapy for CAF than LIS. This article considers if aggressive treatment should only be offered to patients who fail pharmacological sphincterotomy. Aspects of anal fissure etiology, epidemiology and pathophysiology are considered with their meaning for further management of CAF. A molecular model of chemical interdependence significant for the chemistry of CAF healing is examined. Its application may influence the development of optimal therapy for CAF. BTX is currently considered the most effective type of CS and discussion in this article scrutinizes this method specifically. Although the effectiveness of BTX vs. LIS has been discussed, the essential focus of the article concerns identifying the best therapy application for anal fissure. Elements are presented which may help us to predict CAF healing. They provide rationale for the expansion of the CAF therapy algorithm. Ethical and economic factors are also considered in brief. As long as the patient is willing to accept the potential risk of fecal incontinence, we have grounds for the ‘gold standard’ (LIS) as the first-line treatment for CAF. We conclude that, when the diagnosis of the anal fissure is established, CS should be considered for both ethical and economic reasons. The author is convinced that a greater understanding and recognition of benign anal disorders by the GP and a proactive involvement at the point of initial diagnosis would facilitate the consideration of CS at an earlier, more practical stage with improved outcomes for the patient.
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Affiliation(s)
- Mariusz H Madalinski
- Mariusz H Madalinski, NHS Lothian-University Hospitals Division, Edinburgh EH4 2XU, United Kingdom
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Appalaneni V, Fanelli RD, Sharaf RN, Anderson MA, Banerjee S, Ben-Menachem T, Decker GA, Fisher L, Fukami N, Harrison ME, Strohmeyer L, Friis C, Ikenberry SO, Jain R, Jue TL, Khan KM, Krinsky ML, Malpas PM, Maple JT, Dominitz JA. The role of endoscopy in patients with anorectal disorders. Gastrointest Endosc 2010; 72:1117-23. [PMID: 21111864 DOI: 10.1016/j.gie.2010.04.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2010] [Accepted: 04/14/2010] [Indexed: 02/08/2023]
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22
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Perry WB, Dykes SL, Buie WD, Rafferty JF. Practice parameters for the management of anal fissures (3rd revision). Dis Colon Rectum 2010; 53:1110-5. [PMID: 20628272 DOI: 10.1007/dcr.0b013e3181e23dfe] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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23
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Screening for the effectiveness of conservative treatment in chronic anal fissure patients using anorectal manometry. Int J Colorectal Dis 2010; 25:649-54. [PMID: 20127340 DOI: 10.1007/s00384-010-0885-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/08/2010] [Indexed: 02/04/2023]
Abstract
PURPOSE Chemical sphincterotomy (CS) is routinely applied in order to avoid the irreversible anal incontinence associated with the surgical treatment of chronic anal fissure (CAF). However, CS has a lower cure rate than surgery. We developed a screening test (using anal manometry) to separate those patients that are unlikely to benefit from CS and should undergo a more aggressive treatment. METHODS Changes in pressure both at rest and during voluntary contraction of the anal sphincter in 187 patients with chronic anal fissure and 25 healthy subjects (control group) of both sexes were measured. Patients were then sequentially treated (1:1:1) with botulin toxin injections (TOX) (n = 63) or ointments of either nitroglycerine (NTG) (n = 65) or diltiazem (DTZ) (n = 59) for 2 months. The cure rate (overall and for each treatment group) and its relationship with changes in anal pressure were determined. RESULTS The overall cure rate was 53% (NTG = 54%, DTZ = 53% and TOX = 51%). Healing was not related to differences in resting or voluntary contraction pressure. However, the probability of healing was associated with an increase in the percentage change between resting and squeeze pressure (PI index) higher than 150% (190 +/- 122), similar to that of the control subjects (200 +/- 115). Failure of CS was observed in patients with a lower PI (114 +/- 77). CONCLUSIONS The ratio resting/voluntary contraction pressure may be predictive of healing in CAF, thus allowing the selection of patients at high risk of failure of conservative treatment.
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Alonso-Coello P, Marzo-Castillejo M, Mascort JJ, Hervás AJ, Viña LM, Ferrús JA, Ferrándiz J, López-Rivas L, Rigau D, Solà I, Bonfill X, Piqué JM. Guía de práctica clínica sobre el manejo de las hemorroides y la fisura anal (actualización 2007). GASTROENTEROLOGIA Y HEPATOLOGIA 2008; 31:668-81. [PMID: 19174084 DOI: 10.1016/s0210-5705(08)75815-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Pablo Alonso-Coello
- Centro Cochrane Iberoamericano, Servicio de Epidemiología Clínica y Salud Pública (Universidad Autónoma de Barcelona), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
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25
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Siproudhis L, Eléouet M, Abittan S. [Treatment of recurrent anal fissures: what should be done?]. GASTROENTEROLOGIE CLINIQUE ET BIOLOGIQUE 2008; 32:S215-S220. [PMID: 18467054 DOI: 10.1016/j.gcb.2008.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Affiliation(s)
- L Siproudhis
- Service des maladies de l'appareil digestif, hôpital de Pontchaillou, 35033 Rennes cedex, France.
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26
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Affiliation(s)
- Vincent de Parades
- Service de proctologie médico-interventionnelle, Goupe hospitalier Diaconesses-Croix Saint-Simon, Paris.
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27
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Collins EE, Lund JN. A review of chronic anal fissure management. Tech Coloproctol 2007; 11:209-23. [PMID: 17676270 DOI: 10.1007/s10151-007-0355-9] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2007] [Accepted: 06/26/2007] [Indexed: 12/14/2022]
Abstract
Anal fissure management has rapidly progressed in the last 15 years as our understanding of fissure pathophysiology has developed. All methods of treatment aim to reduce the anal sphincter spasm associated with chronic anal fissures. Surgical techniques have been used for over 100 years with success. Lateral internal sphincterotomy remains the surgical treatment of choice for many practitioners. Postoperative impairment of continence remains controversial. Recently, less invasive methods of treatment have been explored. Topical nitrates, calcium channel blockers and botulinum toxin are established treatments. These and other non-surgical treatments are described in this review. Various guidelines and treatment algorithms for anal fissure are also discussed.
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Affiliation(s)
- E E Collins
- Department of Surgery, University of Nottingham Medical School, Derby, Derby City General Hospital, Uttoxeter Road, Derby, DE22 3DT, UK.
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28
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Abstract
BACKGROUND Because of the disability associated with surgery for anal fissure and the risk of incontinence, medical alternatives for surgery have been sought. Most recently, pharmacologic methods that relax the anal smooth muscle, to accomplish reversibly what occurs in surgery, have been used to obtain fissure healing. OBJECTIVES To assess the efficacy and morbidity of various medical therapies for anal fissure. SEARCH STRATEGY Search terms include "anal fissure randomized". Timing from 1966 to May 2006. Further details of the search below. SELECTION CRITERIA Studies in which participants were randomized to a non-surgical therapy for anal fissure. Comparison groups may include an operative procedure, an alternate medical therapy or placebo. Chronic fissure, acute fissure and fissure in children are included in the review. Atypical fissures associated with inflammatory bowel disease or cancer or anal infection are excluded. DATA COLLECTION AND ANALYSIS Data were abstracted from published reports and meeting abstracts, assessing method of randomization, blinding, "intention to treat" and drop-outs, therapies, supportive measures (applied to both groups), dosing and frequency and cross-overs. Dichotomous outcome measures included Non-healing of the fissure (a combination of persistence and recurrence), and Adverse events (including incontinence, headache, infection, anaphylaxis). Continuous outcome measures included measures of pain relief and anorectal manometry. MAIN RESULTS 48 different comparisons of the ability of medical therapies to heal anal fissure have been reported in 53 RCTs. Eleven agents were used (nitroglycerin ointment (GTN), isosorbide dinitrate, Botulinum toxin (Botox), diltiazem, nifedipine (Calcium channel blockers or CCBs), hydrocortisone, lignocaine, bran, minoxidil, indoramin, and placebo) as well as anal dilators and surgical sphincterotomy.GTN was found to be marginally but significantly better than placebo in healing anal fissure (48.6% vs. 37%, p < 0.004), but late recurrence of fissure was common, in the range of 50% of those initially cured. Botox and CCBs were equivalent to GTN in efficacy with fewer adverse events. No medical therapy came close to the efficacy of surgical sphincterotomy, though none in these RCTs was associated with the risk of incontinence. AUTHORS' CONCLUSIONS Medical therapy for chronic anal fissure, acute fissure and fissure in children may be applied with a chance of cure that is marginally better than placebo, and, for chronic fissure in adults, far less effective than surgery.
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Affiliation(s)
- R Nelson
- Northern General Hospital, Department of General Surgery, Herries Road, Sheffield, UK.
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Katsinelos P, Kountouras J, Paroutoglou G, Beltsis A, Chatzimavroudis G, Zavos C, Katsinelos T, Papaziogas B. Aggressive treatment of acute anal fissure with 0.5% nifedipine ointment prevents its evolution to chronicity. World J Gastroenterol 2006; 12:6203-6. [PMID: 17036396 PMCID: PMC4088118 DOI: 10.3748/wjg.v12.i38.6203] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the efficacy of topical application of 0.5% nifedipine ointment in healing acute anal fissue and preventing its progress to chronicity.
METHODS: Thirty-one patients (10 males, 21 females) with acute anal fissure from September 1999 to January 2005 were treated topically with 0.5% nifedipine ointment (t.i.d.) for 8 wk. The patients were encouraged to follow a high-fiber diet and assessed at 2, 4 and 8 wk post-treatment. The healing of fissure and any side effects were recorded. The patients were subsequently followed up in the outpatient clinic for one year and contacted by phone every three months thereafter, while they were encouraged to come back if symptoms recurred.
RESULTS: Twenty-seven of the 31 patients completed the 8-wk treatment course, of them 23 (85.2%) achieved a complete remission indicated by resolution of symptoms and healing of fissure. Of the remaining four unhealed patients (14.8%), 2 opted to undergo lateral sphincterotomy and the other 2 to continue therapy for four additional weeks, resulting in healing of fissure. All the 25 patients with complete remission had a mean follow-up of 22.9 ± 14 (range 6-52) mo. Recurrence of symptoms occurred in four of these 25 patients (16%) who were successfully treated with an additional 4-wk course of 0.5% nifedipine ointment. Two of the 27 (7.4%) patients who completed the 8-wk treatment presented with moderate headache as a side effect of nifedipine.
CONCLUSION: Topical 0.5% nifedipine ointment, used as an agent in chemical sphincterotomy, appears to offer a significant healing rate for acute anal fissure and might prevent its evolution to chronicity.
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Affiliation(s)
- Panagiotis Katsinelos
- Department of Endoscopy and Motility Unit, Central Hospital, Ethnikis Aminis 41, TK 54635, Thessaloniki, Greece.
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Nelson R. Medical Therapy for Anal Fissure: Past, Present, and Future. SEMINARS IN COLON AND RECTAL SURGERY 2006. [DOI: 10.1053/j.scrs.2006.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
An anal fissure is a painful linear ulcer in the lower part of the anal canal. It is very often referred to as an ischemic ulcer. Anodermal blood flow is negatively correlated with resting pressure of the anus. Increased activity of the internal anal sphincter may decrease the anodermal blood supply by compressing arterioles. Surgical procedures and botulinum treatment for patients with chronic anal fissure produce a temporary reduction in anal pressure, reverse sphincter spasm, and promote fissure healing. However, recent studies have shown that fissure healing does not appear to be dependent on reduction in mean resting anal pressure. On the basis of the published literature, this article attempts to explain this phenomenon in detail. The mechanism of action of botulinum toxin on the internal anal sphincter is not yet fully understood. This review focuses on problems associated with anal fissure treatment and presents them from the wider angle of science about botulinum toxin. In our opinion, anodermal blood flow depends not only on the "mechanical" force of sphincters but also on biochemical processes that occur in the fissure region.
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Affiliation(s)
- Mariusz Madalinski
- Internal Medicine Department St John Hospital, Starogard Gdanski, Poland
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Arroyo A, Pérez-Vicente F, Miranda E, Sánchez A, Serrano P, Calpena R. Respuesta de los autores. Cir Esp 2005. [DOI: 10.1016/s0009-739x(05)70950-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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