Biofeedback treatment of chronic constipation: myths and misconceptions

Position paper on transanal irrigation in chronic non-organic constipation

The practice of recto-colonic water irrigation to treat constipation has been used since ancient times with different, uncontrolled, and variably performing methods which have been considered interchangeably all alike. The use of better-performing devices with a standardized methodology is relatively recent, and the term Trans Anal Irrigation (TAI) defines a methodology performed with devices able to control the timing, volume, and pressure of the water introduced into the rectum and colon utilizing a catheter or a cone through the anus. Such practice has been implemented with favorable responses in patients with refractory chronic constipation secondary to neurological diseases. However, since the role of Trans Anal Irrigation as a therapeutic aid in chronic functional constipation and functional evacuation disorders is not yet fully clarified and standardized, a group of clinical investigators with recognized expertise in these clinical conditions intends to clarify the elements that characterize a TAI procedure that can benefit patients with functional constipation and functional defecation disorders defined according to the lastly updated Rome Diagnostic Criteria. Finally, the paper deals with adherence and practical implementation of TAI.

Assessment of reporting completeness in acupuncture studies on patients with functional constipation using the STRICTA guidelines

OBJECTIVE

To evaluate the completeness of reporting of acupuncture interventions in trials for functional constipation (FC) following the STandards for Reporting Interventions in Clinical Trials of Acupuncture (STRICTA) guidelines.

METHODS

We searched eight databases for all published trials, including clinical trials, pilot/feasibility studies, observational studies, and case studies, for acupuncture in patients with FC up to June 31, 2021. The completeness of reporting was evaluated using the STRICTA guidelines.

RESULTS

Finally, 99 studies were included and analysed based on the latest STRICTA guidelines. Out of the 17 analysed STRICTA sub-items, only five were found to be appropriately reported in more than 90% of the trials, while five were completely reported in less than 30%.

CONCLUSIONS

The reporting completeness of acupuncture trials for FC in accordance with STRICTA guidelines is moderate, with poor guideline adherence for several items. Clinical trial reports should be further improved in accordance with STRICTA guidelines to enhance the completeness of evidence. There is also a need to explore the underlying reasons as to why the authors did not report these items and to develop strategies for improving guideline compliance.

Curative efficiency and adverse events of alternative therapy and medicine for functional constipation in adults: A protocol for systematic review and meta-analysis

BACKGROUND

The efficacy of alternative therapies and medications for functional constipation (FC) in adults is well established, however, the efficacy and safety of different alternative therapies and medications for FC in adults is not fully clarified. Due to there are many different alternative therapies and medications available for the treatment of febrile FC in adults, the selection of appropriate alternative therapies and medications has become an urgent issue. The purpose of this study was to evaluate the effectiveness and safety of alternative therapy and medicine for FC in adults.

METHODS

PubMed, Web of Science, Scopus, Cochrane Library, Embase, China National Knowledge Infrastructure, China Science and Technology Journal Database and Wanfang Data were searched to identify randomized controlled trials which focused on alternative therapy and medicine for FC in adults from December 15, 2020 to July 1, 2021. Subsequently, 2 researchers will be independently responsible for literature screening, data extraction, and assessment of their quality. This study uses The R Programming Language 4.0.2 based on Bayesian framework for NMA. Odds ratios or standardized mean differences will be modeled using Markov chain Monte Carlo methods, both with 95% confidence intervals.

RESULTS

The results of this meta-analysis will be submitted to a peer-reviewed journal for publication.

CONCLUSIONS

The conclusion of this systematic review will provide evidence for selecting an optimal alternative therapy and medicine for patients with FC in adults.

ETHICS AND DISSEMINATION

The protocol of the systematic review does not require ethical approval because it does not involve humans. This article will be published in peer-reviewed journals and presented at relevant conferences.

SYSTEMATIC REVIEW REGISTRATION

INPLASY202210091.

Chronic constipation in adults: Contemporary perspectives and clinical challenges. 2: Conservative, behavioural, medical and surgical treatment

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.

Obstructed defecation syndrome associated with paradoxical puborectalis contraction: osteopathic treatment versus anal biofeedback. Results of a pilot study

BACKGROUND

Biofeedback is the most widespread rehabilitative therapy for the treatment of anismus after failed conservative treatment. Osteopathy represents an alternative therapy for constipation. The aim of this study was to evaluate short- and long-term results of osteopathic treatment as compared to biofeedback in patients with dyssynergic defecation.

METHODS

This was a prospective cohort pilot study on 30 patients with dyssynergic defecation enrolled at the Colorectal Clinic of the University Hospital of Ferrara, Italy, from May 2015 to May 2016 and followed until May 2020. Dyssynergic defecation was defined as the inappropriate contraction of the pelvic floor or less than 20% relaxation of basal resting sphincter pressure (on anal manometry) with adequate propulsive forces during attempted defecation. Dyssynergic patients were divide into 2 treatment groups: 15 patients had osteopathy and 15 patients had biofeedback. Before and 3 months after rehabilitation treatment, all patients had anorectal manometry, defecography, and ultrasound, and were evaluated with the Cleveland Clinic Florida (CCF) constipation score, obstructed defecation syndrome (ODS) score, Colo-rectal-anal Distress Inventory (CRADI-8), Colo-rectal-anal Impact Questionnaire (CRAIQ-7), and the Brusciano Score (BS). To evaluate the efficacy of osteopathy and biofeedback in the long-term, all patients completed the above-mentioned questionnaires 5 years later via a telephone interview.

RESULTS

The two treatments were similarly effective in the short term with reduction in questionnaires scores, and increase in the percentage of anal sphincter release at straining at anorectal manometry in both groups. The ODS score was significantly reduced in biofeedback group (p = 0.021). The 3-month post-treatment BS was lower in the osteopathy group, but this just failed to reach statistical significance (p = 0.050). Periodic rehabilitation reinforcements were provided. The CCF constipation score decreased significantly in the osteopathy group (p = 0.023) after 5 years.

CONCLUSIONS

Osteopathy is a promising treatment for dyssynergic defecation, and it can be associated with biofeedback.

Proctalgia Syndromes: Update in Diagnosis and Management

PURPOSE OF REVIEW

Functional anorectal pain syndromes are a neglected yet often disabling clinical entity resulting in significant economic and psychological burden to the patient. The aim of this review is to update the practicing gastroenterologist/coloproctologist on the diagnosis and management of these complicated disorders.

RECENT FINDINGS

The updated Rome foundation diagnostic criteria (Rome IV) for functional anorectal pain subgroups chronic proctalgia (levator ani syndrome and unspecified functional anorectal pain) and acute proctalgia (proctalgia fugax) on the basis of symptom duration and digital rectal examination findings. Chronic proctalgia is thought to be secondary to paradoxical pelvic floor contraction in many patients and biofeedback to improve the defecation effort has proven effective for over 90% in the short term. Unfortunately, management of proctalgia fugax remains challenging and treatment outcomes modest at best. A number of therapies to relax the pelvic floor may be employed to improve symptoms in functional anorectal pain syndromes; however, only biofeedback to improve defaecatory dynamics in patients with levator ani syndrome has proven effectiveness in a randomized setting. Further investigation of treatment approaches in proctalgia fugax is required.

Efficacy of Electro-acupuncture in Treatment of Functional Constipation: A Randomized Controlled Trial

Functional constipation (FC) is a chronic disease that significantly affects the life quality of patients. Acupuncture has been used for the treatment of FC for many years, but its effectiveness has not been scientifically assessed. The present study aimed to evaluate the efficacy of electro-acupuncture (EA) in relieving the symptoms, mental states and quality of life (QOL) of FC patients. A total of 96 FC patients were randomly allocated into EA, mosapride & sham EA group (MS) and mosapride control group (MC). In the EA group, patients were treated with 16 sessions of needling at Quchi (LI11) and Shangjuxu (ST37) bilaterally, 5 times a week in the first 2 weeks, and 3 times a week in the last 2 weeks. In the MC group, patients were treated with 5 mg mosapride citrate three times a day for 4 weeks. In the MS group, patients underwent sham EA and the same mosapride citrate treatment as in the MC group. The primary outcome was the number of weekly spontaneous bowel movements (SBMs). The secondary outcomes included stool consistency, intensity of defecating difficulty, 36-Item Short-Form Health Survey (SF-36), Self-rating Anxiety Scale (SAS), Self-rating Depression Scale (SDS), and the validated Patient Assessment of Constipation-Quality of Life (PAC-QOL). The results showed that as compared with the baseline, EA significantly improved the weekly SBMs, stool consistency and intensity of defecating difficulty (P<0.05). It also partly ameliorated the PAC-QOL, SF-36, SDS and SAS scores when compared with MC or MS group (P<0.05). However, no significant difference was observed between MS and MC groups in bowel function outcomes and QOL scores. It was concluded that EA could effectively improve bowel function, mental states and QOL of FC patients.

Treatment of childhood constipation: a synthesis of systematic reviews and meta-analyses

Introduction: Constipation occurs in many children and can become chronic. Many grow out of it but for one third, it continues into adulthood. For most patients, there is no identifiable organic disorder and it is classified as functional constipation.Areas covered: In 2016, treatment of childhood constipation was extensively reviewed by Rome IV. This review covers meta-analyses and evidence for treatment of paediatric constipation since 2016 and new emerging treatments.Expert opinion: Since 2016, meta-analyses conclude 1) fibre should be included in a normal diet, but further supplementation does not improve constipation; 2) probiotics may increase stool frequency in children, but evidence from larger RCTs is needed; 3) comparing laxatives, polyethylene glycol (PEG) is superior to placebo, lactulose and milk of magnesia, and 4) appendix stomas are effective and should be considered before surgery. Emerging areas of study include food intolerance, electrical stimulation and faecal microbiota transplant. For research, outcome measures need standardising to allow comparison between studies and allow meta-analyses. To assist this, validated GI instruments have been developed by Rome IV and PedsQl.

European society of neurogastroenterology and motility guidelines on functional constipation in adults

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.

Long-term outcome after segmental colonic resection for slow transit constipation

PURPOSE

Colectomy with ileorectal anastomosis (IRA) is the most common surgical procedure for slow transit constipation (STC). A hemicolectomy has been suggested as an alternative to IRA with good short-term results. However, long-term results are unknown. The aim of this study was to evaluate the long-term results after hemicolectomy as a treatment for STC.

METHODS

Fifty patients with STC were selected for right- or left-sided hemicolectomy after evaluation with colonic scintigraphy from 1993 to 2008. Living patients (n = 43) received a bowel function questionnaire and a questionnaire about patient-reported outcome.

RESULTS

After a median follow-up of 19.8 years, 13 patients had undergone rescue surgery (n = 12) or used irrigation (n = 1) and were classified as failures. In all, 30 were evaluable for functional outcome and questionnaire data for 19 patients (due to 11 non-responding) could be analysed. Two reported deterioration after several years and were also classified as failures. Median stool frequency remained increased from 1 per week at baseline to 5 per week at long-term follow-up (p = 0.001). Preoperatively, all patients used laxatives, whereas 12 managed without laxatives at long-term follow-up (p = 0.002). There was some reduction in other constipation symptoms but not statically significant. In the patients' global assessment, 10 stated a very good result, seven a good result and two a poor result.

CONCLUSIONS

Hemicolectomy for STC increases stool frequency and reduces laxative use. Long-term success rate could range between 17/50 (34%) and 35/50 (70%) depending on outcome among non-responders.

Lactulose for the treatment of Chinese children with chronic constipation: A randomized controlled trial

BACKGROUND

This study aimed to investigate the efficacy and safety of lactulose for the treatment of Chinese children with chronic constipation.

METHODS

A total of 100 children with chronic constipation were included in this randomized controlled trial. They were equally and randomly allocated to a treatment group (n = 50) and a placebo group (n = 50). The participants in the treatment group received lactulose, while the subjects in the placebo group received placebo intervention. The children in both groups were treated for a total of 6 weeks. The primary outcome was daily stool frequency. The secondary outcomes consisted of stool consistency, measured by the Bristol Stool Form Scale, abdominal pain, flatulence, as well as the adverse events. All outcomes were measured at baseline and after 6-weeks treatment.

RESULTS

After 6 weeks treatment, lactulose showed better outcomes in daily stool frequency (P < .01), and stool consistency (P < .01), except the abdominal pain (P = .24), and flatulence (P = .44), compared with the placebo. Additionally, no significant differences regarding all adverse events were detected between 2 groups.

CONCLUSION

The results of this study found that lactulose is efficacious for Chinese children with chronic constipation after 6-weeks of treatment.

An expert consensus definition of failure of a treatment to provide adequate relief (F-PAR) for chronic constipation - an international Delphi survey

BACKGROUND

As treatments for constipation become increasingly available, it is important to know when to progress along the treatment algorithm if the patient is not better.

AIM

To establish the definition of failure of a treatment to provide adequate relief (F-PAR) to support this management and referral process in patients with chronic constipation.

METHODS

We conducted an international Delphi Survey among gastroenterologists and general practitioners with a special interest in chronic constipation. An initial questionnaire based on recognised rating scales was developed following a focus group. Data were collected from two subsequent rounds of questionnaires completed by all authors. Likert scales were used to establish a consensus on a shorter list of more severe symptoms.

RESULTS

The initial focus group yielded a first round questionnaire with 84 statements. There was good consensus on symptom severity and a clear severity response curve, allowing 67 of the symptom-severity pairings to be eliminated. Subsequently, a clear consensus was established on further reduction to eight symptom statements in the final definition, condensed by the steering committee into five diagnostic statements (after replicate statements had been removed).

CONCLUSIONS

We present an international consensus on chronic constipation, of five symptoms and their severities, any of which would be sufficient to provide clinical evidence of treatment failure. We also provide data representing an expert calibration of commonly used rating scales, thus allowing results of clinical trials expressed in terms of those scales to be converted into estimates of rates of provision of adequate relief.