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A clinical pathway for integrative medicine in the treatment of functional constipation in Hong Kong, China. JOURNAL OF INTEGRATIVE MEDICINE 2023; 21:550-560. [PMID: 37989695 DOI: 10.1016/j.joim.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 08/03/2023] [Indexed: 11/23/2023]
Abstract
OBJECTIVE Functional constipation (FC) is a common intestinal disease worldwide. Despite the presence of criteria such as Roman IV, there is no standardized diagnosis and treatment algorithm in Hong Kong that combines both Western and Chinese medicine approaches. This study integrates current effective and safe diagnosis and treatment methods for FC and provides a clear and scientific pathway for clinical professionals and patients. METHODS A systematic search of the PubMed, Cochrane Library, and China National Knowledge Infrastructure databases was performed from their inception to June 30th, 2022, collecting the current evidence about the efficacious integrative management for FC. We organized a meeting of professionals in fields relevant to treatment and management of FC to develop a consensus agreement on clinical pathway process. RESULTS We developed a clinical pathway for the treatment of FC based on the most recent published guidelines and consultation with experts. This pathway includes a hierarchy of recommendations for every step of the clinical process, including clinical intake, diagnostic examination, recommended labs, diagnostic flowchart, and guidance for selection of therapeutic drugs. CONCLUSION This pathway establishes clinical standards for the diagnosis and treatment of FC using Chinese medicine and Western medicine; it will help to provide high-quality medical services in Hong Kong for patients with FC. Please cite this article as: Wei DJ, Li HJ, Lyu ZP, Lyu AP, Bian ZX, Zhong LL. A clinical pathway for integrative medicine in the treatment of functional constipation in Hong Kong, China. J Integr Med. 2023; 21(6): 550-560.
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Predicting Responsiveness to Biofeedback Therapy Using High-resolution Anorectal Manometry With Integrated Pressurized Volume. J Neurogastroenterol Motil 2022; 28:608-617. [PMID: 36250368 DOI: 10.5056/jnm21137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 11/25/2021] [Accepted: 03/13/2022] [Indexed: 11/20/2022] Open
Abstract
Background/Aims Biofeedback therapy is widely used to treat patients with chronic constipation, especially those with dyssynergic defecation. Yet, the utility of high-resolution manometry with novel parameters in the prediction of biofeedback response has not been reported. Thus, we constructed a model for predicting biofeedback therapy responders by applying the concept of integrated pressurized volume in patients undergoing high-resolution anorectal manometry. Methods Seventy-one female patients (age: 48-68 years) with dyssynergic defecation who underwent initial high-resolution anorectal manometry and subsequent biofeedback therapy were enrolled. The manometry profiles were used to calculate the 3-dimensional integrated pressurized volumes by multiplying the distance, time, and amplitude during simulated evacuation. Partial least squares regression was performed to generate a predictive model for responders to biofeedback therapy by using the integrated pressurized volume parameters. Results Fifty-five (77.5%) patients responded to biofeedback therapy. The responders and non-responders did not show significant differences in the conventional manometric parameters. The partial least squares regression model used a linear combination of eight integrated pressurized volume parameters and generated an area under the curve of 0.84 (95% confidence interval: 0.76-0.95, P < 0.01), with 85.5% sensitivity and 62.1% specificity. Conclusions Integrated pressurized volume parameters were better than conventional parameters in predicting the responsiveness to biofeedback therapy, and the combination of these parameters and partial least squares regression was particularly promising. Integrated pressurized volume parameters can more effectively explain the physiology of the anorectal canal compared with conventional parameters.
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Pelvic floor physical therapy in patients with chronic anal fissure: a randomized controlled trial. Tech Coloproctol 2022; 26:571-582. [PMID: 35511322 PMCID: PMC9069957 DOI: 10.1007/s10151-022-02618-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 03/16/2022] [Indexed: 12/12/2022]
Abstract
Background A chronic anal fissure is a common, painful condition with great impact on daily life. The exact pathogenesis has not been fully elucidated and treatment varies. A large percentage of patients experience pelvic floor dysfunction (dyssynergia and increased pelvic floor muscle tone). The aim of our study was to investigate the effect of pelvic floor physical therapy in patients with chronic anal fissure. Methods Between December 2018 and July 2021, at the Proctos Clinic in the Netherlands, patients with chronic anal fissure and pelvic floor dysfunction were randomly assigned to an intervention group, receiving 8 weeks of pelvic floor physical therapy including electromyographic biofeedback or assigned to a control group receiving postponed pelvic floor physical therapy. The primary outcome was muscle tone at rest during electromyographic registration of the pelvic floor before and after pelvic floor physical therapy. Secondary outcomes contained healing of the fissure, pain ratings, improvement of pelvic floor function, and complaint reduction measured with a proctology-specific patient-reported outcome measurement. Endpoints were measured at 8- and 20-week follow-up. Results One hundred forty patients were included in the study, 68 men (48.6%) and 72 women (51.4%) with a mean age of 44.5 ± 11.1 (range 19–79) years. Mean resting electromyographic values of the pelvic floor in the intervention group significantly improved from pre- to post-treatment (p < 0.001) and relative to controls (mean estimated difference between groups − 1.88 µV; 95% CI, − 2.49 to − 1.27 (p < 0.001) at first follow-up and remained significant from baseline at 20-week follow-up (p < 0.001). The intervention group performed better compared to the control group on all secondary outcomes, i.e., healing of the fissure (55.7% of the patients vs 21.4% in control, pain ratings (p < 0.001), diminished dyssynergia (p < 0.001), complaint reduction (p < 0.001), and decrease of pelvic floor muscle tone (p < 0.05) at first follow-up. Conclusions The findings of this study provide strong evidence that pelvic floor physical therapy is effective in patients with chronic anal fissure and pelvic floor dysfunction and supports its recommendation as adjuvant treatment besides regular conservative treatment.
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Abstract
Constipated patients are frequently referred to gastroenterologists for symptoms refractory to lifestyle modifications and laxatives. Dyssynergic defecation, the dyscoordination of rectoanal, abdominal, and pelvic floor muscles to facilitate defecation, is a major cause of refractory primary constipation. Understanding of the diagnosis, evaluation, and management of dyssynergic defecation and other evacuation disorders will allow providers to effectively manage these patients. This review focuses on the definition, pathophysiology, evaluation, and treatment of dyssynergic defecation and other evacuation disorders. Emerging treatments for these disorders include home biofeedback therapy for dyssynergic defecation and translumbosacral neuromodulation therapy for levator ani syndrome.
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Long-Term Risks of Parkinson's Disease, Surgery, and Colorectal Cancer in Patients With Slow-Transit Constipation. Clin Gastroenterol Hepatol 2021; 19:2577-2586.e6. [PMID: 32882425 DOI: 10.1016/j.cgh.2020.08.059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Long-term outcomes of constipation have not been evaluated fully. We investigated the incidence of Parkinson's disease, constipation-related surgery, and colorectal cancer (CRC) in patients with constipation and slow-transit constipation (STC), followed up for up to 20 years. METHODS We collected data from 2165 patients (33.1% men; median patient age, 54 y; median symptom duration, 5.0 y) with a diagnosis of constipation (based on Rome II criteria) who underwent an anorectal function test and a colonic transit time study, from 2000 through 2010, at a tertiary university hospital in Seoul, South Korea. The presence of STC was determined from colonic transit time. We used the Kaplan-Meier method to analyze and compare cumulative probabilities of a new diagnosis of Parkinson's disease or CRC according to the presence of STC. The patients were followed up until the end of 2019. RESULTS During a median follow-up period of 4.7 years (interquartile range, 0.7-8.3 y), 10 patients underwent constipation-related surgery. The cumulative probabilities of constipation-related surgery were 0.7% at 5 years and 0.8% at 10 years after a diagnosis of constipation. Twenty-nine patients (1.3%) developed Parkinson's disease; the cumulative probabilities were 0.4% at 1 year, 1.0% at 5 years, and 2.6% at 10 years after a diagnosis of constipation. At 10 years, 1.3% of patients with STC required constipation-related surgery and 3.5% of patients with STC developed Parkinson's disease; in contrast, none of the patients without STC required constipation-related surgery (P = .003), and 1.5% developed Parkinson's disease (P = .019). In multivariate analysis, patient age of 65 years or older at the diagnosis of constipation (hazard ratio, 4.834; 95% CI, 2.088-11.190) and the presence of STC (hazard ratio, 2.477; 95% CI, 1.046-5.866) were associated independently with the development of Parkinson's disease. Only 5 patients had a new diagnosis of CRC during the follow-up period. The risk of CRC did not differ significantly between patients with vs without STC (P = .575). CONCLUSIONS In a long-term follow-up study of patients with constipation in Korea, most patients had no severe complications. However, patients older than age 65 years with a new diagnosis of STC might be considered for Parkinson's disease screening.
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The Efficacy and Safety of Fecal Microbiota Transplantation Combined With Biofeedback for Mixed Constipation: A Retrospective Cohort Study. Front Med (Lausanne) 2021; 8:746990. [PMID: 34746183 PMCID: PMC8564017 DOI: 10.3389/fmed.2021.746990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
This study aims to assess the effectiveness and safety of fecal microbiota transplantation (FMT) combined with biofeedback for patients with mixed constipation. Patients who received biofeedback (biofeedback group, n = 40) and those who received FMT combined with biofeedback (FMT combination group, n = 45) were enrolled. Spontaneous bowel movements (SBMs) frequency, Bristol Stool Form Scale (BSFS), and Patient Assessment of Constipation Symptoms (PAC-SYM) score were analyzed to evaluate the effect of treatment. Gastrointestinal Quality of Life Index (GIQLI) scores of patients were used to assess the quality of life, and the safety of FMT combination therapy was evaluated by the presence of adverse events. The 16S rRNA gene sequencing was performed on the fecal samples of 12 donors, feces of 31 patients before and after receiving FMT combination treatment. Comparing the biofeedback group and the FMT combination group 1 month after the treatment, significant differences were observed in the mean value of SBM frequency, BSFS, and PAC-SYM scores, which were 2.15 ± 1.05 vs. 3.61 ± 0.89 (p = 0.0031), 2.1 ± 0.9 vs. 2.5 ± 1.2 (p = 0.008), and 2.4 ± 0.5 vs. 2.2 ± 0.6 (p = 0.0021), respectively. Meanwhile, FMT combination therapy had long-term beneficial effects according to the data collected at six months and 12 months after the treatment. With respect to the quality of life, GIQLI scores were higher in the FMT combination group (103.6 ± 15.1) compared with that in the biofeedback group (88.7 ± 10.1) one month after administration (p = 0.0042). In addition, there were no significant differences between the two groups in adverse events, including abdominal pain, diarrhea, dizziness, nausea, vomiting, and other side effects. Results of 16S rRNA gene sequencing showing some well-known probiotics had significantly increased after FMT combination treatment compared with pre-FMT samples, such as Prevotella and Bifidobacterium. Findings of this study suggested that FMT combined with biofeedback could be effective and safe for patients with mixed constipation.
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ACG Clinical Guidelines: Management of Benign Anorectal Disorders. Am J Gastroenterol 2021; 116:1987-2008. [PMID: 34618700 DOI: 10.14309/ajg.0000000000001507] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 08/09/2021] [Indexed: 12/11/2022]
Abstract
Benign anorectal disorders of structure and function are common in clinical practice. These guidelines summarize the preferred approach to the evaluation and management of defecation disorders, proctalgia syndromes, hemorrhoids, anal fissures, and fecal incontinence in adults and represent the official practice recommendations of the American College of Gastroenterology. The scientific evidence for these guidelines was assessed using the Grading of Recommendations Assessment, Development and Evaluation process. When the evidence was not appropriate for Grading of Recommendations Assessment, Development and Evaluation, we used expert consensus to develop key concept statements. These guidelines should be considered as preferred but are not the only approaches to these conditions.
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Efficacy of combination of biofeedback therapy and pelvic floor muscle training in dyssynergic defecation. Acta Gastroenterol Belg 2021; 84:577-583. [PMID: 34965039 DOI: 10.51821/84.4.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
BACKGROUND It is now known that with appropriate exercises, the functions of the muscles in the body ameliorate and increase in strength. We applied pelvic floor muscle relaxation training and exercises that strengthen the abdominal and pelvic muscles in combination with biofeedback therapy (BFT) to patients with dyssynergic defecation (DD). METHODS Patients who met the criteria for DD and had no underlying organic cause were included in this study. The electromyography (EMG) technique was used for BFT therapy. Patients had received at least six sessions of BFT. BFT was considered successful in patients when the DD pattern in anorectal manometry (ARM) disappeared and/or adequate anal relaxation was obtained following BFT and in patients who had full clinical recovery. RESULTS Data of 104 patients (58 females [55.8%] and 46 males [44.2%]) was evaluated. Abdominal and rectal symptoms disappeared in 71 (68.26%) patients. Of the patients who achieved symptomatic improvement, 58 (55.76%) saw a disappearance of the dyssynergic defecation pattern. When the differences between anal sphincter pressures before and after treatment were compared in patients who responded to BFT and those who did not, no significant differences were observed, but significant changes were found in anal squeezing pressures. It was found that those who had high squeezing pressures before BFT, those who increased their squeezing pressures after BFT, and those who decreased their resting pressure responded better to BFT. CONCLUSIONS In this study, BFT was found to be more effective in those with a high squeezing pressure and those that increased squeezing pressure after BFT. These findings will influence the treatment of patients with dyssynergic defecation who do not respond to treatment. A combination of abdominal and pelvic floor muscle exercises and BFT increases patient response.
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Chronic constipation in adults: Contemporary perspectives and clinical challenges. 2: Conservative, behavioural, medical and surgical treatment. Neurogastroenterol Motil 2021; 33:e14070. [PMID: 33522079 DOI: 10.1111/nmo.14070] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/05/2020] [Accepted: 12/13/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Chronic constipation is a prevalent disorder that affects quality of life of patients and consumes resources in healthcare systems worldwide. In clinical practice, it is still considered a challenge as clinicians frequently are unsure as to which treatments to use and when. Over a decade ago, a Neurogastroenterology and Motility journal supplement devoted to the investigation and management of constipation was published (Neurogastroenterol Motil 2009;21(Suppl 2):1). In October 2018, the 3rd London Masterclass, entitled "Contemporary management of constipation" was held. The faculty members of this symposium were invited to write two reviews to present a collective synthesis of talks presented and discussions held during this meeting. The first review addresses epidemiology, diagnosis, clinical associations, pathophysiology, and investigation. PURPOSE The present is the second of these reviews, providing contemporary perspectives and clinical challenges regarding behavioral, conservative, medical, and surgical treatments for patients presenting with constipation. It includes a management algorithm to guide clinical practice.
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Review article: diagnosis, management and patient perspectives of the spectrum of constipation disorders. Aliment Pharmacol Ther 2021; 53:1250-1267. [PMID: 33909919 PMCID: PMC8252518 DOI: 10.1111/apt.16369] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/24/2020] [Accepted: 03/31/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Chronic constipation is a common, heterogeneous disorder with multiple symptoms and pathophysiological mechanisms. Patients are often referred to a gastroenterology provider after laxatives fail. However, there is limited knowledge of the spectrum and management of constipation disorders. AIM To discuss the latest understanding of the spectrum of constipation disorders, tools for identifying a pathophysiologic-based diagnosis in the specialist setting, treatment options and the patient's perspective of constipation. METHODS Literature searches were conducted using PubMed for constipation diagnostic criteria, diagnostic tools and approved treatments. The authors provided insight from their own practices. RESULTS Clinical assessment, stool diaries and Rome IV diagnostic criteria can facilitate diagnosis, evaluate severity and distinguish between IBS with constipation, chronic idiopathic constipation and dyssynergic defecation. Novel smartphone applications can help track constipation symptoms. Rectal examinations, anorectal manometry and balloon expulsion, assessments of neuromuscular function with colonic transit time and colonic manometry can provide mechanistic understanding of underlying pathophysiology. Treatments include lifestyle and diet changes, biofeedback therapy and pharmacological agents. Several classes of laxatives, as well as prokinetic and prosecretory agents, are available; here we describe their mechanisms of action, efficacy and side effects. CONCLUSIONS Constipation includes multiple overlapping subtypes identifiable using detailed history, current diagnostic tools and smartphone applications. Recognition of individual subtype(s) could pave the way for optimal, evidence-based treatments by a gastroenterology provider.
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Clinical Impact of Rectal Hyposensitivity: A Cross-Sectional Study of 2,876 Patients With Refractory Functional Constipation. Am J Gastroenterol 2021; 116:758-768. [PMID: 33982946 DOI: 10.14309/ajg.0000000000001039] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Normal bowel function requires intact sensory pathways. Diminished rectal sensation (rectal hyposensitivity [RH]) is associated with constipation, although its clinical importance remains unclear. METHODS Consecutive patients (aged 18-80) attending a tertiary center (2004-2016) for investigation of refractory functional constipation (Rome IV core criteria defined, applied post hoc) were included. Patients completed a clinical symptom questionnaire and underwent anorectal physiologic investigations, including rectal sensory testing (balloon distension) to determine 3 well-established sensory thresholds. Multivariate regression analyses were performed to evaluate associations between RH, symptomology, and allied physiologic investigations. RESULTS Of 2,876 patients meeting inclusion criteria, 722 (25%) had RH based on ≥1 elevated sensory thresholds (0: n = 2,154 [74.9%]; 1: n = 327 [11.4%]; 2: n = 209 [7.3%]; and 3: n = 186 [6.5%]). A linear relationship existed between increasing number of elevated sensory thresholds and constipation severity (Cleveland Clinic constipation score: mean difference per threshold [95% confidence interval] 0.69 [0.48-0.90]; P < 0.001). Several symptoms were significantly (P < 0.05) associated with RH including: infrequent defecation (odds ratio 1.29 [1.17-1.42]), painful evacuation (1.15 [1.05-1.27]), prolonged toileting (1.14 [1.05-1.24]), and digitation or enema use (1.18 [1.08-1.30]). On defecography, a "functional" evacuation disorder was also associated with RH (1.37 [1.25-1.50], P < 0.001), as was megarectum (2.52 [2.08-3.05], P < 0.001). DISCUSSION RH occurs in 25% of patients with refractory functional constipation. Increased number of elevated sensory thresholds is associated with more severe constipation phenotype. These data, in the largest study to date, provide for the first time evidence to show that RH is a major pathophysiologic mechanism in constipation, with recognized clinical impact (http://links.lww.com/AJG/B765).(Equation is included in full-text article.).
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Abstract
Anorectal disorders encompass structural, neuromuscular, and functional disorders. They are common, often distressing, and in some cases debilitating, and significantly add to the health care burden. They present with multiple, overlapping symptoms that can often obscure the underlying pathology and can pose significant diagnostic and management dilemmas. A meticulous history and comprehensive digital rectal examination can provide clarity on the diagnosis, appropriate testing, and management of these conditions. Today, with the development of sophisticated diagnostic tools such as high-resolution and high-definition (3-D) anorectal manometry, 3-D anal ultrasonography, magnetic resonance defecography and imaging, and neurophysiological tests such as translumbosacral anorectal magnetic stimulation, it is possible to more accurately define and characterize the underlying structural and functional abnormalities. In this review, we present a succinct update on the latest knowledge with regards to the pathophysiology, diagnosis and management of anal fissure, hemorrhoids, rectal prolapse, intussusception, rectocele, solitary rectal ulcer syndrome, levator ani syndrome, dyssynergic defecation and fecal incontinence.
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Obstructed defecation syndrome: a diagnostic and therapeutic challenge. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2020; 112:477-482. [PMID: 32450707 DOI: 10.17235/reed.2020.6921/2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Obstructed defecation syndrome produces constipation with anal blockage and a feeling of incomplete evacuation, due to either anatomic and functional causes. This is a complex and multifactorial entity due to diverse etiological factors that may coexist in many patients. Therefore, a diagnostic approach requires structural and functional assessment. The concordance between findings of diagnostic tests is suboptimal, thus an individualized analysis is mandatory in each patient. Therapeutic strategies require the best understanding of anatomic and functional aspects. Consequently, this entity is a diagnostic and therapeutic challenge.
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European society of neurogastroenterology and motility guidelines on functional constipation in adults. Neurogastroenterol Motil 2020; 32:e13762. [PMID: 31756783 DOI: 10.1111/nmo.13762] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 10/14/2019] [Accepted: 10/18/2019] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Chronic constipation is a common disorder with a reported prevalence ranging from 3% to 27% in the general population. Several management strategies, including diagnostic tests, empiric treatments, and specific treatments, have been developed. Our aim was to develop European guidelines for the clinical management of constipation. DESIGN After a thorough review of the literature by experts in relevant fields, including gastroenterologists, surgeons, general practitioners, radiologists, and experts in gastrointestinal motility testing from various European countries, a Delphi consensus process was used to produce statements and practical algorithms for the management of chronic constipation. KEY RESULTS Seventy-three final statements were agreed upon after the Delphi process. The level of evidence for most statements was low or very low. A high level of evidence was agreed only for anorectal manometry as a comprehensive evaluation of anorectal function and for treatment with osmotic laxatives, especially polyethylene glycol, the prokinetic drug prucalopride, secretagogues, such as linaclotide and lubiprostone and PAMORAs for the treatment of opioid-induced constipation. However, the level of agreement between the authors was good for most statements (80% or more of the authors). The greatest disagreement was related to the surgical management of constipation. CONCLUSIONS AND INFERENCES European guidelines on chronic constipation, with recommendations and algorithms, were developed by experts. Despite the high level of agreement between the different experts, the level of scientific evidence for most recommendations was low, highlighting the need for future research to increase the evidence and improve treatment outcomes in these patients.
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A Randomized Controlled Trial on the Effects of Electromyographic Biofeedback on Quality of Life and Bowel Symptoms in Elderly Women With Dyssynergic Defecation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16183247. [PMID: 31487902 PMCID: PMC6765857 DOI: 10.3390/ijerph16183247] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/30/2019] [Accepted: 09/02/2019] [Indexed: 12/20/2022]
Abstract
Dyssynergic defecation is a usual cause of chronic constipation in elderly women, with a negative impact on health-related quality of life. The present randomized controlled trial aims to evaluate the effects of behavioral treatment through electromyographic biofeedback (EMG-BF) on quality of life and bowel symptoms in elderly women with dyssynergic defecation. Twenty chronically constipated elderly women, due to dyssynergic defecation, were enrolled in the study. Outcome measures included weekly stool frequency, anismus index, severity of patient-reported chronic constipation symptoms (abdominal, rectal, and stool symptoms), and overall measure of quality of life. After 1 month of baseline, participants were randomly assigned to either EMG-BF group (n = 10) or control group (n = 10). Three months after treatment, female patients were once again assessed following the same procedure in baseline. One-way multivariate analysis of variance MANOVA revealed no significant differences between the groups before treatment in any of the measured dependent variables (Wilks's λ = 0.74; F6,13 = 0.77; p = 0.61). Likewise, univariate analysis showed no differences between the groups, either in terms of age (F1,18 = 0.96; p = 0.34) or mean disease duration (F1,18 = 2.99; p = 0.11). Three months after treatment, MANOVA revealed statistically significant differences between the groups (Wilks's λ = 0.29; F6,13 = 5.19; p < 0.01). These differences were significant in all outcome measures. EMG-BF produces significant improvements in bowel symptoms and health-related quality of life of elderly women with dyssynergic defecation.
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[Effectiveness of 6 manometric biofeedback sessions on urinary incontinence and quality of life: A before-after study of 67 patients]. Rehabilitacion (Madr) 2019; 53:146-154. [PMID: 31370941 DOI: 10.1016/j.rh.2019.04.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/15/2019] [Accepted: 04/18/2019] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine whether a short 6-session protocol of tonic/ phasic exercises can enhance quality of life and muscular strength in patients with urinary incontinence (UI). MATERIAL AND METHODS A prospective before-after study was performed in 67 patients with UI referred to the Rehabilitation Department of the Santa Cristina University Hospital in Madrid, Spain. In the initial assessment, the patient's personal details, predisposing factors and type of UI were registered. Patients received lifestyle recommendations. The ICIQ-SF/I-QOL questionnaires/scales were completed at the beginning and end of treatment. The manometric evaluation was registered in the first and last assessment by the MYOMED® 932 equipment. The protocol consisted of a 30-minute session of tonic/phasic exercises (15minutes each) twice weekly for a maximum of 6 sessions, supervised by a physiotherapist. RESULTS The mean age was 52.1±12.7 years and 94% of the patients (n=63) were women. The maximum and mean strength of the pelvic floor contraction was 26.4±15.6 and 5.3±3.9mmHg, respectively, which significantly increased after treatment to 35.5±19.6 and 7.6±4.4mmHg (P<.0001). The ICIQ-SF score was 10.1±5 and significantly decreased to 6.6±4.6 (P<0.0001). The I-QOL score significantly increased from 66.1±21.9 to 77.9±18.1 points (P<.0001). The I-QOL ALB subscale (avoidance and limiting behaviour) increased from 63.7±22.6 to 77.3±17.8 (P<.0001); the I-QoL PSI subscale (psychosocial impact) increased from 73.8±23.9 to 82.5±18.7 (P=.0004); and the I-QOL SE subscale (social embarrassment) increased from 56.5±23.7 to 70.5±22.1 (P<.0001). CONCLUSION Manometric feedback reduces UI and improves both quality of life and manometric values. This short 6-session protocol could be applied in other public and private centres and could provide economic benefits to the health system and to patients.
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The Impact of EMG Biofeedback on Evacuation Difficulty Level and Pain Grade During Defecation in Chronically Constipated Elderly Female Patients Due to Dyssynergic Defecation. GASTROINTESTINAL DISORDERS 2019. [DOI: 10.3390/gidisord1030026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The purpose of this study was to evaluate the impact of biofeedback therapy on evacuation difficulty level and the pain grade during defecation of elderly female patients with dyssynergic defecation. With this aim, after one month of initial assessment, 16 chronically constipated female patients with dyssynergic defecation were randomized to either a electromyographic biofeedback group (n = 8) or to a conventional treatment group (n = 8). The results showed a significant decrease in the evacuation difficulty level and pain grade during defecation following behavioral treatment through biofeedback. At the same time, the treatment produced significant improvements in the weekly stool frequency and a decrease in the mean electromyographic (EMG) activity (µV) of the external anal sphincter during straining to defecate. Clinical gains were maintained during the follow-up carried out six months later.
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Gut-Directed Pelvic Floor Behavioral Treatment for Fecal Incontinence and Constipation in Patients with Inflammatory Bowel Disease. Inflamm Bowel Dis 2019; 25:620-626. [PMID: 30452638 DOI: 10.1093/ibd/izy344] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) often experience functional bowel symptoms despite achieving disease remission. Although behavioral treatment (bowel and pelvic floor muscle retraining) is effective for managing constipation or fecal incontinence in non-IBD patients, there is limited evidence for its efficacy in patients with quiescent inflammatory bowel disease. The aim of this study was to evaluate the outcome of gut-directed behavioral treatment, including pelvic floor muscle training, for symptoms of constipation or fecal incontinence in patients with IBD in disease remission. METHODS The outcome of consecutive patients with IBD in remission and symptoms of constipation or fecal incontinence was evaluated. Patients referred to a multidisciplinary gastroenterology clinic underwent gut-directed behavioral treatment, including pelvic floor muscle training. The primary outcome was patient-reported rating of change in symptoms on a 7-point Likert scale at the completion of treatment. RESULTS Forty IBD patients (median age, 35 years; 80% female; 24 Crohn's disease [CD], 12 ulcerative colitis [UC], 4 UC with ileoanal pouch) with ongoing symptoms of constipation (55%) or fecal incontinence (45%), despite drug therapy, were included. The median symptom duration at referral was 2 years. Thirty-five (87%) completed treatment with a median of 2 sessions. Improvement of "6 = much better" or "7 = very much better" was reported by 77% (17/22) with fecal incontinence and 83% (15/18) with constipation. Improvement occurred irrespective of IBD diagnosis, previous perianal fistulae, colorectal surgery, presence of an ileoanal pouch, or past obstetric trauma. CONCLUSIONS Behavioral treatment effectively improves functional gut symptoms in a large majority of patients who are in IBD disease remission and who have not responded to drug therapy. 10.1093/ibd/izy344_video1 izy344.video1 5968879349001.
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Chronic Functional Constipation. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2019; 73:92-98. [DOI: 10.4166/kjg.2019.73.2.92] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 01/29/2019] [Accepted: 02/02/2019] [Indexed: 12/12/2022]
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Abstract
PURPOSE OF REVIEW To summarize the current recommendations for the evaluation and management of defecatory dysfunction in women and highlight key relationships between defecatory dysfunction and other pelvic floor disorders, including pelvic organ prolapse, fecal incontinence, and voiding dysfunction. RECENT FINDINGS Conservative measures including lifestyle modifications, pharmacotherapy, and biofeedback continue to be the mainstay of treatment with newer therapies emerging. Physiologic testing and/or radiologic imaging should be considered for those who fail conservative therapy or are clinically complex. Surgical management is appropriate for carefully selected patients with anatomic causes of defecatory dysfunction. Further research is needed on surgical outcomes and patient expectations. SUMMARY Pelvic floor disorders, including defecatory dysfunction, have a significant societal impact and are highly prevalent among women. Given its potential complexity, a broader focus is needed when evaluating women with defecatory symptoms and effective treatment may require multidisciplinary care.
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A high-resolution anorectal manometry parameter based on integrated pressurized volume: A study based on 204 male patients with constipation and 26 controls. Neurogastroenterol Motil 2018; 30:e13376. [PMID: 29797379 DOI: 10.1111/nmo.13376] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 04/12/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Conventional anorectal manometric parameters based on linear waves cannot properly predict balloon expulsion (BE) time. We aimed to determine the correlation between integrated pressurized volume (IPV) parameters during simulated evacuation (SE) and BE time in healthy individuals and constipated patients and to assess the correlation between each parameter and symptoms. METHODS A total of 230 male participants (including 26 healthy volunteers and 204 chronically constipated patients) underwent high-resolution anorectal manometry (HRAM) and BE tests. The IPV was calculated by multiplying the amplitude, distance, and time from the HRAM profile. Receiver operating characteristic curve (ROC) analysis and partial least square regression (PLSR) were performed. KEY RESULTS ROC analysis indicated that the IPV ratio between the upper 1 cm and lower 4 cm of the anal canal was more effective for predicting BE time (area under the curve [AUC]: 0.74, 95% confidence interval [CI]: 0.67-0.80, P < .01) than the conventional anorectal parameters, including defecation index and rectoanal gradient (AUC: 0.60, 95% CI: 0.52-0.67, P = .01). PLSR analysis of a linear combination of IPV parameters yielded an AUC of 0.79. Moreover, the IPV ratio showed a greater clinical correlation with patient symptoms than conventional parameters. CONCLUSIONS AND INFERENCES The IPV parameters and the combination of IPV parameters via PLSR were more significantly correlated with BE time than the conventional parameters. Thus, this study presents a useful diagnostic tool for the evaluation of pathophysiologic abnormalities in dyssynergic defecation using IPV and BE time.
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Dyssynergic defecation: The not so hidden partner in constipation. Indian J Gastroenterol 2018; 37:186-188. [PMID: 29971688 DOI: 10.1007/s12664-018-0866-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 05/28/2018] [Indexed: 02/04/2023]
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Factors Associated With Response to Biofeedback Therapy for Dyssynergic Defecation. Clin Gastroenterol Hepatol 2018; 16:715-721. [PMID: 29111136 DOI: 10.1016/j.cgh.2017.10.027] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 10/16/2017] [Accepted: 10/24/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Biofeedback therapy is effective for dyssynergic defecation (DD), but it is not widely available or reimbursed, and is labor intensive. It is therefore important to select the appropriate patients for this treatment. We investigated symptoms and demographic, manometric, and other factors associated with outcomes of biofeedback therapy in patients with DD. METHODS We performed a post hoc analysis of 2 prospective studies of biofeedback therapy in 127 adult outpatients (18-75 years old, 120 female) with chronic constipation who failed to respond to treatment with dietary fiber or laxatives (>1 year) and were diagnosed with DD based on standard criteria. In each study, patients received 1-hour, biweekly office biofeedback therapy (6 sessions) or home biofeedback therapy with a device. A therapist used visual feedback, postural, and diaphragmatic breathing techniques to teach subjects to improve defecation. Treatment success was defined by a composite of normalization of dyssynergia pattern and increase of 20 mm in baseline bowel satisfaction score. Factors were compared between the treatment success and failure groups. Intention-to-treat analysis was performed. RESULTS Of the 127 patients enrolled, 77 (61%) had treatment success. Dyssynergia was corrected in 78% of patients and bowel satisfaction improved in 64% of patients. Baseline demographic features, constipation symptoms, manometric and sensory parameters, balloon expulsion time, and colonic transit results were similar between treatment failure and success groups. Patients with lower baseline bowel satisfaction score (P = .008) and patients who used digital maneuvers (P = .04) were more likely to have successful biofeedback therapy. CONCLUSIONS Biofeedback therapy is successful in more than 60% of patients with DD. Patients who used digital maneuvers and patients with lower baseline levels of bowel satisfaction were more likely to have treatment success, whereas other factors were not associated with success. Biofeedback therapy should be offered to all patients with DD, irrespective of baseline symptoms or anorectal physiology findings.
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Abstract
PURPOSE OF REVIEW To summarize the advances in diagnostic modalities and management options for defecatory dysfunction and highlight the areas in need of further research. RECENT FINDINGS The diagnostic utility of high-resolution anorectal manometry (ARM), which has emerged as a promising tool for the diagnosis of defecatory dysfunction, appears to be questionable in differentiating disease from normal physiology. There also seems to be discrepancy between results of various tests of anorectal function in the diagnosis of defecatory dysfunction. New revisions in diagnostic criteria for defecatory dysfunction by Rome IV consortium, may enhance its diagnostic yield. Biofeedback remains to be the most effective evidence-based treatment option for patients with defecatory dysfunction. Anorectal pressure profile cannot predict or mediate the success of biofeedback. Biofeedback may improve the symptoms through central effects. SUMMARY Despite the advances in the ARM and defecography techniques, no one test has been able to be considered as the 'gold standard' for diagnosis of defecatory dysfunction. The mechanism of action of biofeedback in defecatory dysfunction remains poorly understood.
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Abstract
Chronic constipation is a prevalent condition that severely impacts the quality of life of those affected. Several types of primary chronic constipation, which show substantial overlap, have been described, including normal-transit constipation, rectal evacuation disorders and slow-transit constipation. Diagnosis of primary chronic constipation involves a multistep process initiated by the exclusion of 'alarm' features (for example, unintentional weight loss or rectal bleeding) that might indicate organic diseases (such as polyps or tumours) and a therapeutic trial with first-line treatments such as dietary changes, lifestyle modifications and over-the-counter laxatives. If symptoms do not improve, investigations to diagnose rectal evacuation disorders and slow-transit constipation are performed, such as digital rectal examination, anorectal structure and function testing (including the balloon expulsion test, anorectal manometry or defecography) or colonic transit tests (such as the radiopaque marker test, wireless motility capsule test, scintigraphy or colonic manometry). The mainstays of treatment are diet and lifestyle interventions, pharmacological therapy and, rarely, surgery. This Primer provides an introduction to the epidemiology, pathophysiological mechanisms, diagnosis, management and quality of life associated with the commonly encountered clinical problem of chronic constipation in adults unrelated to opioid abuse.
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Age and Dyssynergia Subtypes Associated With Normal Sphincter Pressures in Women With Fecal Incontinence. Female Pelvic Med Reconstr Surg 2017; 24:247-251. [PMID: 28657991 DOI: 10.1097/spv.0000000000000415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVES Fecal incontinence (FI) is frequently associated with low sphincter pressures, sensory abnormalities, and advanced age. Twenty-three percent of patients with FI and 22% of healthy patients demonstrate dyssynergic defecation (DD) on high-resolution anorectal manometry. Overflow incontinence occurs in some DD patients with normal resting and squeeze anal sphincter pressures. Our aim was to identify factors associated with normal sphincter pressures in women with FI. METHODS We reviewed medical records of 134 women with FI. Patients with normal resting and squeeze anal pressures were compared with those with abnormal pressures using Wilcoxon rank sum test and Fisher exact. Multivariable logistic regression was performed to identify factors associated with normal resting and squeeze anal pressures. RESULTS Among 134 women, abnormal resting and/or squeeze pressures were identified in 113 and normal pressures were identified in 21. Women with normal sphincter pressures were younger (mean age 52.7 ± 10.8 years vs 59.0 ± 14.0 years, P = 0.036), more often had abnormal defecation indices (100% vs 83.2%, P = 0.043) and higher rectal defecation pressures (30.8 ± 18.8 mm Hg vs 50.8 ± 22.6 mm Hg, P < 0.001). There was an overall association between DD subtype and normal and abnormal sphincter pressure groups (P = 0.021). Dyssynergia subtypes I or III (odds ratio, 7.2; 95% confidence interval, 1.8-28.8) and age younger than 67 years (odds ratio, 8.5; 95% confidence interval, 1.5-48.6) were associated with greater odds of having normal sphincter pressures. CONCLUSIONS Female FI patients with normal anal sphincter pressures are younger, have higher rectal defecation pressures, and more often have type I or type III DD.
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Relevance of the Clinical and Psychophysiological Variables in the Dyssynergic Defecation: A Comparative Study in Elderly Subjects. Appl Psychophysiol Biofeedback 2017. [PMID: 28639056 DOI: 10.1007/s10484-017-9368-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The relevance of several clinical and psychophysiological variables in the dyssynergic defecation in elderly subjects was investigated in this study. To accomplish this, 30 elderly subjects (10 without anorectal disorders, 10 with chronic constipation and 10 with dyssynergic defecation) were repeatedly assessed once per week for 4 weeks, with the following measures being collected at each session: EMG-activity (µV) of the external anal sphincter (at rest, during squeezing, and during straining to defecate), stool frequency, difficulty defecation level, pain grade during defecation, and satisfaction level after evacuation. A 3 (group) × 4 (sessions) mixed-measures MANOVA revealed a significant main effect for group (Wilks's lambda = 0.006; F = 28.45; p < 0.01), but not for sessions (Wilks's lambda = 0.874; F = 0.94; p > 0.05) or for the group x sessions interaction (Wilks's lambda = 0.811; F = 1.45; p > 0.05). One-way ANOVA and Scheffé's posthoc tests were used to isolate the differences between the groups with respect to the seven different measures. These analysis showed significant differences between the groups on all four clinical variables but only for one psychophysiological variable, EMG-activity during straining to defecate. Significant differences were evidenced between all pairs examined for the difficulty defecation level and pain grade. The complete results of these analysis are presented and the conclusions drawn from them are discussed.
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Use of Sacral Nerve Stimulation for the Treatment of Overlapping Constipation and Fecal Incontinence. AMERICAN JOURNAL OF CASE REPORTS 2017; 18:230-233. [PMID: 28265107 PMCID: PMC5358841 DOI: 10.12659/ajcr.901821] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Patient: Female, 51 Final Diagnosis: Fecal incontinence Symptoms: Constipation • fecal incontinence Medication: — Clinical Procedure: Sacral nerve stimulator Specialty: Gastroenterology and Hepatology
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Biofeedback treatment of chronic constipation: myths and misconceptions. Tech Coloproctol 2016; 20:611-8. [PMID: 27450533 DOI: 10.1007/s10151-016-1507-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 04/27/2016] [Indexed: 12/15/2022]
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Abstract
Chronic constipation is a common health condition representing a substantial proportion of primary care visits and referrals to specialist providers. Chronic constipation can have a significant negative effect on health-related quality of life and has been associated with psychological distress in severely affected patients. It has the potential to cause patients to curtail work, school, and social activities. While different pathophysiological mechanisms have been implicated in the development of chronic constipation, in some instances, the causes of chronic constipation are not easily determined. Expenditures for the evaluation and management of chronic constipation represent a significant burden on patients and payers, and it is important for clinicians to have a clear understanding of the different pathophysiological mechanisms associated with constipation, understand the different testing modalities and treatments that are available including their appropriateness and limitations, and tailor that knowledge to the management of individual patients.
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Abstract
Dyssynergic defecation is common and affects up to one half of patients with chronic constipation. This acquired behavioral problem is due to the inability to coordinate the abdominal and pelvic floor muscles to evacuate stools. A detailed history, prospective stool diaries, and a careful digital rectal examination will not only identify the nature of bowel dysfunction, but also raise the index of suspicion for this evacuation disorder. Anorectal physiology tests and balloon expulsion test are essential for a diagnosis. Newer techniques such as high-resolution manometry and magnetic resonance defecography can provide mechanistic insights. Recently, randomized controlled trials have shown that biofeedback therapy is more effective than laxatives and other modalities, both in the short term and long term, without side effects. Also, symptom improvements correlated with changes in underlying pathophysiology. Biofeedback therapy has been recommended as the first-line of treatment for dyssynergic defecation. Here, we provide an overview of the burden of illness and pathophysiology of dyssynergic defecation, and how to diagnose and treat this condition with biofeedback therapy.
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Guidelines for the Diagnosis and Treatment of Chronic Functional Constipation in Korea, 2015 Revised Edition. J Neurogastroenterol Motil 2016; 22:383-411. [PMID: 27226437 PMCID: PMC4930295 DOI: 10.5056/jnm15185] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Revised: 03/13/2016] [Accepted: 04/03/2016] [Indexed: 12/13/2022] Open
Abstract
The Korean Society of Neurogastroenterology and Motility first published guidelines for chronic constipation in 2005 and was updated in 2011. Although the guidelines were updated using evidence-based process, they lacked multidisciplinary participation and did not include a diagnostic approach for chronic constipation. This article includes guidelines for diagnosis and treatment of chronic constipation to realistically fit the situation in Korea and to be applicable to clinical practice. The guideline development was based upon the adaptation method because research evidence was limited in Korea, and an organized multidisciplinary group carried out systematical literature review and series of evidence-based evaluations. Six guidelines were selected using the Appraisal of Guidelines for Research & Evaluation (AGREE) II process. A total 37 recommendations were adopted, including 4 concerning the definition and risk factors of chronic constipation, 8 regarding diagnoses, and 25 regarding treatments. The guidelines are intended to help primary physicians and general health professionals in clinical practice in Korea, to provide the principles of medical treatment to medical students, residents, and other healthcare professionals, and to help patients for choosing medical services based on the information. These guidelines will be updated and revised periodically to reflect new diagnostic and therapeutic methods.
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Abstract
Constipation is a heterogeneous, polysymptomatic, multifactorial disease. Acute or transient constipation can be due to changes in diet, travel or stress, and secondary constipation can result from drug treatment, neurological or metabolic conditions or, rarely, colon cancer. A diagnosis of primary chronic constipation is made after exclusion of secondary causes of constipation and encompasses several overlapping subtypes. Slow-transit constipation is characterized by prolonged colonic transit in the absence of pelvic floor dysfunction. This subtype of constipation can be identified using either the radio-opaque marker test or wireless motility capsule test, and is best treated with laxatives such as polyethylene glycol or newer agents such as linaclotide or lubiprostone. If unsuccessful, subspecialist referral should be considered. Dyssynergic defecation results from impaired coordination of rectoanal and pelvic floor muscles, and causes difficulty with defecation. The condition can be identified using anorectal manometry and balloon expulsion tests and is best managed with biofeedback therapy. Opioid-induced constipation is an emerging entity, and several drugs including naloxegol, methylnaltrexone and lubiprostone are approved for its treatment. In this Review, we provide an overview of the burden and pathophysiology of chronic constipation, as well as a detailed discussion of the available diagnostic tools and treatment options.
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Use of Biofeedback Combined With Diet for Treatment of Obstructed Defecation Associated With Paradoxical Puborectalis Contraction (Anismus): Predictive Factors and Short-term Outcome. Dis Colon Rectum 2016; 59:115-21. [PMID: 26734969 DOI: 10.1097/dcr.0000000000000519] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Numerous studies have described the use of biofeedback therapy for the treatment of anismus. Success rates vary widely, but few data are available regarding factors predictive of success. OBJECTIVE Our aim was to evaluate short-term results of biofeedback associated with diet in patients with obstructed defecation because of anismus and to investigate factors that may affect the results. DESIGN Patients were identified from a single-institution prospectively maintained database. SETTINGS This study was conducted in a tertiary hospital. PATIENTS Consecutive patients who had obstructed defecation associated with anismus and were treated with biofeedback associated with diet were eligible. INTERVENTIONS Each patient underwent anal manometry and/or dynamic anal ultrasound. Patients with anismus and were treated with biofeedback associated with diet. MAIN OUTCOME MEASURES Patients classed as having a satisfactory response to therapy and those classed as having an unsatisfactory response were compared with regard to sex, age, Cleveland Clinic Florida constipation score, functional factors (anal resting and squeeze pressures and reversal of paradoxical puborectalis contraction on manometry), and anatomic factors in women (history of vaginal delivery, number of vaginal deliveries, menopause, hysterectomy, and previous anorectal surgery). RESULTS A total of 116 patients were included (75 women and 41 men). Overall, 59% were classed as having a satisfactory response (decrease in constipation score, >50%). Patients with satisfactory responses to biofeedback plus diet did not differ from those with unsatisfactory responses with regard to clinical, anatomic, and physiological factors. LIMITATIONS This was not a randomized controlled trial. CONCLUSIONS Biofeedback combined with diet is a valuable treatment option for patients with obstructed defecation syndrome associated with anismus, and more than half of our patients of both sexes achieved a satisfactory response. Improvement was not related to reversal of paradoxical contraction of puborectalis muscles at manometry. Patient sex, age, previous anorectal surgery, anorectal manometry pressures, and vaginal delivery, menopause, and hysterectomy in women did not significantly affect outcome.
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