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Neurophysiological Effects of Electrical Stimulation on a Patient with Neurogenic Bowel Dysfunction and Cauda Equina Syndrome after Spinal Anesthesia: A Case Report. Medicina (B Aires) 2023; 59:medicina59030588. [PMID: 36984589 PMCID: PMC10051071 DOI: 10.3390/medicina59030588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/08/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023] Open
Abstract
Neurogenic bowel dysfunction (NBD) is common in patients with cauda equina syndrome (CES). Previous studies have reported that electrical stimulation (ES) improves NBD but more neurophysiologic evidence is required. This case report describes a patient who experienced difficulty with defecation as a result of cauda equina syndrome (CES) that developed after a cesarean section performed 12 years ago under spinal anesthesia. The neurophysiological effects were assessed using the bulbocavernosus reflex (BCR) and electromyography (EMG). Two ES treatments, interferential current therapy and transcutaneous electrical stimulation, were used to stimulate the intestine and the external anal sphincter, respectively. The BCR results showed right-side delayed latency and no response on the left side. Needle EMG revealed abnormal spontaneous activities of the bilateral bulbocavernosus (BC) muscles. Electrodiagnostic testing revealed chronic bilateral sacral polyradiculopathy, compatible with CES. After treatment, the patient reported an improved perianal sensation, less strain and time for defecation than before, and satisfaction with her bowel condition. At the follow-up electrodiagnosis, the BCR latency was normal on the right side—needle EMG revealed reductions in the abnormal spontaneous activities of both BC muscles and re-innervation of the right BC muscle. Electrodiagnostic testing can offer insight into the neurophysiological effects of ES, which can help in understanding the mechanism of action and optimizing the therapy for patients with NBD.
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Sahin UK, Acaröz S, Çirakoğlu A, Benli E, Akbayrak T. Effects of external electrical stimulation added to pelvic floor muscle training in women with stress urinary incontinence: A randomized controlled study. Neurourol Urodyn 2022; 41:1781-1792. [PMID: 35979703 DOI: 10.1002/nau.25022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/06/2022] [Accepted: 07/22/2022] [Indexed: 11/08/2022]
Abstract
OBJECTIVE In this study, the combination of external electrical stimulation (EES) with pelvic floor muscle training (PFMT) was assessed to determine if it yielded better results than PFMT or EES alone for treatment of stress urinary incontinence (SUI). STUDY DESIGN Fifty-one women with SUI were randomly allocated to EES + PFMT (n = 17), PFMT (n = 17), or EES groups (n = 17) for 8 weeks of treatment. Personal, demographic, and clinical characteristics of the patients were recorded. Outcome measures included self-reported improvement, severity of incontinence, symptom distress, quality of life (QOL), urinary incontinence episodes, pelvic floor muscle strength (PFMS) and endurance (PFME) and dysfunction. All evaluations were made pre- and posttreatment. Data were analyzed using the Chi-square, marginal homogeneity, Kruskal-Wallis, Wilcoxon signed-rank or paired t test and Dunn-Bonferroni post hoc tests. RESULTS In the 8th week, there were significant changes in self-reported improvement, severity of incontinence, symptom distress score, urinary incontinence episodes, PFMS, PFME, pelvic floor dysfunction and all areas of QoL in all groups (p < 0.05). Combined therapy was not superior to PFMT and EES for overall outcome measures, except for the incontinence impact subdomain of the QoL score (p < 0.05). CONCLUSIONS Our study supports the idea that PFMT should be preferred as the first line therapy for women with SUI. However, the acceptable EES method can be recommended in addition to PFMT to increase motivation and treatment compliance in patients with insufficient or inaccurate pelvic floor muscle contractions.
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Affiliation(s)
- Ulku Kezban Sahin
- Department of Therapy and Rehabilitation, Vocational School of Health Services, Giresun University, Giresun, Turkey
| | - Sevim Acaröz
- Department of Physical Therapy and Rehabilitation, Faculty of Health Sciences, Ordu University, Ordu, Turkey
| | - Abdullah Çirakoğlu
- Department of Urology, Faculty of Medicine, Ordu University, Ordu, Turkey
| | - Erdal Benli
- Department of Urology, Faculty of Medicine, Ordu University, Ordu, Turkey
| | - Türkan Akbayrak
- Faculty of Physical Therapy and Rehabilitation, Department of Physiotherapy and Rehabilitation, Hacettepe University, Ankara, Turkey
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Effects of surface electrical stimulation during sitting on pelvic floor muscle function and sexual function in women with stress urinary incontinence. Obstet Gynecol Sci 2020; 63:370-378. [PMID: 32489983 PMCID: PMC7231947 DOI: 10.5468/ogs.2020.63.3.370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/21/2019] [Accepted: 11/06/2019] [Indexed: 11/08/2022] Open
Abstract
Objective Dysfunction of the pelvic floor muscles (PFM) is associated with sexual dysfunction in women with stress urinary incontinence (SUI). The EasyK7 device was developed to stimulate the PFM by surface electrical stimulation during sitting (SESdS). We investigated the effects of SESdS on PFM function and sexual function in women with SUI. Methods Women with SUI were randomized into the SESdS and control groups. PFM function and sexual function were assessed using a perineometer and the pelvic organ prolapse–urinary incontinence sexual function questionnaire (PISQ), respectively. After 8 weeks, the groups were compared using either analysis of covariance with the baseline values as covariates or the paired Student's t-test. Results The final analysis included 16 subjects from each group. There were significant differences between the SESdS and control groups after the intervention, as well as within the SESdS group between the pre- and post-intervention measurements. The P-values for the differences in PFM measurements between the groups, and between the pre- and post- intervention measurements within the SESdS group, were 0.001 and 0.004 for power, 0.015 and 0.011 for strength, and 0.012 and 0.034 for endurance, respectively. In addition, in the PISQ, there were significant differences between the groups and between the pre- and post-intervention measurements within the SESdS group in the partner-related domain (between groups: P=0.003; within SESdS group: P=0.024) and total score (between groups: P<0.001; within SESdS group: P=0.001). Conclusion SESdS can improve PFM function and sexual function in women with SUI. Trial Registration Clinical Research Information Service Identifier: KCT0003357
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Tan Y, Liu Y, Ye R, Xu H, Nie W, Lu J, Zhang B, Wang C, He B. Change of bio-electric interferential currents of acute fatigue and recovery in male sprinters. SPORTS MEDICINE AND HEALTH SCIENCE 2020; 2:25-32. [PMID: 35783337 PMCID: PMC9219318 DOI: 10.1016/j.smhs.2020.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 02/21/2020] [Accepted: 02/21/2020] [Indexed: 11/27/2022] Open
Abstract
We studied the muscle fatigue and recovery of thirty male sprinters (aged 18–22 years) using the Frequency Analysis Method (FAM). The interferential currents (ICs) with different thresholds for sensory, motor and pain responses, the maximal voluntary contraction (MVC), and the amplitude of the surface EMG (aEMG, sEMG) were assessed prior to and immediately after an acute explosive fatigue training session, and during one-week recovery. We found that IC increased on average from 32.3 ± 8.9 mA to 37.5 ± 7.5 mA in sensory response at 10 Hz immediately post training (p = 0.004) but decreased at 24-hr post training (p = 0.008) and returned to pre-levels thereafter. Motor and pain response patterns at 10 Hz were similar (motor: p = 0.033 and 0.040; pain: p = 0.022 and 0.019, respectively). The change patterns of ICs were similar to but prior to the changes of sEMG. The agreement between IC assessment and amplitude of sEMG (aEMG)/MVC ratio was good (>95%). The present study suggested that the changes in ICs were prior to the changes in both the aEMG and force during fatigue. These changes may reflect the physiological sensory change due to peripheral fatigue. FAM may be useful as an effective early detection and simple tool for monitoring muscle fatigue during training and recovery in athletes.
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Hwang UJ, Lee MS, Jung SH, Ahn SH, Kwon OY. Pelvic Floor Muscle Parameters Affect Sexual Function After 8 Weeks of Transcutaneous Electrical Stimulation in Women with Stress Urinary Incontinence. Sex Med 2019; 7:505-513. [PMID: 31563553 PMCID: PMC6963109 DOI: 10.1016/j.esxm.2019.08.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/08/2019] [Accepted: 08/27/2019] [Indexed: 10/25/2022] Open
Abstract
INTRODUCTION Stress urinary incontinence (SUI) is often associated with female sexual dysfunction. We investigated which pelvic floor muscle (PFM) parameters (strength, power, and endurance) are associated with improvement of sexual function after 8 weeks of transcutaneous electrical stimulation (TES) training. AIM This study was performed to determine the effects of TES in the seated position on PFM parameters and female sexual function and to identify correlation between improved PFM parameters and sexual function after 8 weeks of TES training in women with SUI. METHODS The present study was performed between August 2018 and November 2018 in women with SUI who were randomized into a TES group (n = 17) or a control group (n = 17). One subject in each of the TES and control groups ultimately withdrew during the intervention due to a lack of time. Both groups were measured at baseline and after 8 weeks of intervention. MAIN OUTCOME MEASURE As outcome measures, PFM parameters (strength, power, and endurance) and female sexual function were assessed using a perineometer and the Female Sexual Function Index (FSFI), respectively. RESULTS The final study population consisted of 32 women with SUI. There were significant differences in PFM strength, power, and endurance and FSFI domain scores (desire, arousal, orgasm, satisfaction, and total score) in both between-group analyses (TES vs control group) and within-group analyses (pre-TES vs post-TSE). Change in PFM endurance had the highest association with change in total FSFI total score (r = 0.437; P = .006), and change in PFM power had the highest association with change in FSFI satisfaction (r = 0.420; P = .008). CONCLUSION TES in a seated position showed a beneficial effect on sexual function in females with SUI. Consideration of PFM parameters associated with FSFI domain scores may be important when developing intervention guidelines to improve female sexual function. Hwang UJ, Lee MS, Jung SH, et al. Pelvic Floor Muscle Parameters Affect Sexual Function After 8 Weeks of Transcutaneous Electrical Stimulation in Women with Stress Urinary Incontinence. Sex Med 2019;7:505-513.
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Affiliation(s)
- Ui-Jae Hwang
- Laboratory of Kinetic Ergocise Based on Movement Analysis, Department of Physical Therapy, College of Health Science, Yonsei University, Heungeop-myun, Wonju, South Korea
| | - Min-Seok Lee
- Sophie-Marceau Women's Clinic, Daegu, South Korea
| | - Sung-Hoon Jung
- Laboratory of Kinetic Ergocise Based on Movement Analysis, Department of Physical Therapy, College of Health Science, Yonsei University, Heungeop-myun, Wonju, South Korea
| | - Sun-Hee Ahn
- Laboratory of Kinetic Ergocise Based on Movement Analysis, Department of Physical Therapy, College of Health Science, Yonsei University, Heungeop-myun, Wonju, South Korea
| | - Oh-Yun Kwon
- Laboratory of Kinetic Ergocise Based on Movement Analysis, Department of Physical Therapy, College of Health Science, Yonsei University, Heungeop-myun, Wonju, South Korea.
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Ladi-Seyedian SS, Sharifi-Rad L, Kajbafzadeh AM. Pelvic floor electrical stimulation and muscles training: a combined rehabilitative approach for management of non-neuropathic urinary incontinence in children. J Pediatr Surg 2019; 54:825-830. [PMID: 29960741 DOI: 10.1016/j.jpedsurg.2018.06.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 05/27/2018] [Accepted: 06/03/2018] [Indexed: 01/31/2023]
Abstract
PURPOSE To assess the efficacy of combined transcutaneous interferential (IF) electrical stimulation and pelvic floor muscle training through biofeedback on non-neuropathic urinary incontinence in children. METHODS This prospective study comprised of 46 anatomically and neurologically normal children (9 boys, 37 girls; mean age of 8.4 ± 2.2 years old) with non-neuropathic urinary incontinence. All children were evaluated by kidney and bladder ultrasounds, uroflowmetry with electromyography (EMG), a complete voiding diary and a dysfunctional voiding scoring questionnaire at the baseline. Children were randomly allocated into two treatment groups including group A (n = 23) who underwent biofeedback therapy in addition to IF electrical stimulation and group B (n = 23) who received only biofeedback therapy. Re-evaluation was performed 6 months and one year after completion of the treatment sessions. RESULTS Improvement of non-neuropathic urinary incontinence was significantly higher in group A in comparison to group B at two follow ups (P < 0.05). Daytime incontinence was improved in 19/23(82%) and 13/23(56.5%) of children in groups A and B respectively after the treatment (P < 0.01). There was no significant difference in uroflowmetry measures between two groups after the treatment. CONCLUSIONS Combination of biofeedback therapy and transcutaneous IF electrical stimulation is a potential effective modality in treating non-neuropathic urinary incontinence in children. LEVEL OF EVIDENCE Type of study: Treatment study. Level I: Randomized controlled trials with adequate statistical power to detect differences (narrow confidence intervals) and follow up >80%.
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Affiliation(s)
- Seyedeh-Sanam Ladi-Seyedian
- Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran (IRI).
| | - Lida Sharifi-Rad
- Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran (IRI); Department of Physical Therapy, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran (IRI).
| | - Abdol-Mohammad Kajbafzadeh
- Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran (IRI).
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Hutson JM, Dughetti L, Stathopoulos L, Southwell BR. Transabdominal electrical stimulation (TES) for the treatment of slow-transit constipation (STC). Pediatr Surg Int 2015; 31:445-51. [PMID: 25672282 DOI: 10.1007/s00383-015-3681-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/03/2015] [Indexed: 12/14/2022]
Abstract
Slow-transit constipation (STC) is a newly described subtype of intractable constipation in children which we originally identified with deficiency of substance P in axons supplying the proximal colonic muscle. When nuclear transit studies became available, the patients were found to have slow proximal colonic transit, and responded to antegrade enemas. Using the appendicostomy, we found that there was reduced frequency in propagating sequences throughout the colon. We began testing whether transcutaneous electrical stimulation (TES) could improve motility and symptoms, and over several trials have now shown that TES is remarkably effective in treating children with STC, with long-lasting effects. TES holds promise for treating STC, as well as a range of gastrointestinal motility disorders.
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Affiliation(s)
- John M Hutson
- Murdoch Childrens Research Laboratory, F Douglas Stephens Surgical Research Group, Melbourne, Australia,
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Correia GN, Pereira VS, Hirakawa HS, Driusso P. Effects of surface and intravaginal electrical stimulation in the treatment of women with stress urinary incontinence: randomized controlled trial. Eur J Obstet Gynecol Reprod Biol 2014; 173:113-8. [DOI: 10.1016/j.ejogrb.2013.11.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Revised: 10/28/2013] [Accepted: 11/26/2013] [Indexed: 11/29/2022]
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Vonthein R, Heimerl T, Schwandner T, Ziegler A. Electrical stimulation and biofeedback for the treatment of fecal incontinence: a systematic review. Int J Colorectal Dis 2013; 28:1567-77. [PMID: 23900652 PMCID: PMC3824723 DOI: 10.1007/s00384-013-1739-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/24/2013] [Indexed: 02/04/2023]
Abstract
PURPOSE This systematic review determines the best known form of biofeedback (BF) and/or electrical stimulation (ES) for the treatment of fecal incontinence in adults and rates the quality of evidence using the Grades of Recommendation, Assessment, Development, and Evaluation. Attention is given to type, strength, and application mode of the current for ES and to safety. METHODS Methods followed the Cochrane Handbook. Randomized controlled trials were included. Studies were searched in The Cochrane Library, MEDLINE, and EMBASE (registration number (PROSPERO): CRD42011001334). RESULTS BF and/or ES were studied in 13 randomized parallel-group trials. In 12 trials, at least one therapy group received BF alone and/or in combination with ES, while ES alone was evaluated in seven trials. Three (four) trials were rated as of high (moderate) quality. Average current strength was reported in three of seven studies investigating ES; only two studies reached the therapeutic window. No trial showed superiority of control, or of BF alone or of ES alone when compared with BF + ES. Superiority of BF + ES over any monotherapy was demonstrated in several trials. Amplitude-modulated medium-frequency (AM-MF) stimulation, also termed pre-modulated interferential stimulation, combined with BF was superior to both low-frequency ES and BF alone, and 50 % of the patients were continent after 6 months of treatment. Effects increased with treatment duration. Safety reporting was bad, and there are safety issues with some forms of low-frequency ES. CONCLUSIONS There is sufficient evidence for the efficacy of BF plus ES combined in treating fecal incontinence. AM-MF plus BF seems to be the most effective and safe treatment. KEY MESSAGES • The higher the quality of the randomized trial the more likely was a significant difference between treatment groups. • Two times more patients became continent when biofeedback was used instead of a control, such as pelvic floor exercises. • Two times more patients became continent when biofeedback plus electrical stimulation was used instead of biofeedback only. • Low-frequency electrical stimulation can have adverse device effects, and this is in contrast to amplitude-modulated medium-frequency electrical stimulation. • There is high quality evidence that amplitude-modulated medium-frequency electrical stimulation plus electromyography biofeedback is the best second-line treatment for fecal incontinence.
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Affiliation(s)
- Reinhard Vonthein
- Institut für Medizinische Biometrie und Statistik, Universität zu Lübeck, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, Haus 24, 23562 Lübeck, Germany ,Zentrum für Klinische Studien Lübeck, Universität zu Lübeck, Lübeck, Germany
| | - Tankred Heimerl
- Klinik für Allgemein-, Viszeral-, Thorax-, Transplantations- und Kinderchirurgie, Zentrum für minimalinvasive Chirurgie, Universitätsklinikum Gießen und Marburg GmbH, Standort Gießen, Gießen, Germany
| | - Thilo Schwandner
- Klinik für Allgemein-, Viszeral-, Thorax-, Transplantations- und Kinderchirurgie, Zentrum für minimalinvasive Chirurgie, Universitätsklinikum Gießen und Marburg GmbH, Standort Gießen, Gießen, Germany
| | - Andreas Ziegler
- Institut für Medizinische Biometrie und Statistik, Universität zu Lübeck, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, Haus 24, 23562 Lübeck, Germany ,Zentrum für Klinische Studien Lübeck, Universität zu Lübeck, Lübeck, Germany
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Schwandner T, König IR, Heimerl T, Kierer W, Roblick M, Bouchard R, Unglaube T, Holch P, Ziegler A, Kolbert G. Triple target treatment (3T) is more effective than biofeedback alone for anal incontinence: the 3T-AI study. Dis Colon Rectum 2010; 53:1007-16. [PMID: 20551752 DOI: 10.1007/dcr.0b013e3181db7738] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE The efficacy of EMG-biofeedback and low-frequency electrical stimulation for the treatment of anal incontinence has not been proven. Our purpose was to evaluate a novel therapeutic concept, termed triple target treatment, which combines amplitude-modulated medium-frequency stimulation and EMG-biofeedback. METHODS Patients with anal incontinence were randomly assigned to the triple target regimen or EMG-biofeedback alone for a 9-month treatment period in a multicenter randomized clinical trial with blinded observers (ClincialTrials.gov registration number NCT00525291). Primary end points were changes in the Cleveland Clinic score and the adapted St. Mark's (Vaizey) score at 9 months compared with baseline. Secondary end points included therapy acceptance and proportion of patients achieving continence or improvement in grade or frequency of incontinence. RESULTS We enrolled 158 patients with anal incontinence. The median decrease in the Cleveland Clinic score from baseline to 9 months was 3 points greater for the triple target regimen than for EMG-biofeedback (95% CI, 1-4; P = .0024). The improvement was 8 points for the triple target regimen (95% CI, 7-9) and 5 points for EMG-biofeedback (95% CI, 4-7). Results were similar for the Vaizey score. Of patients treated for at least 3 months, continence was achieved by 50% of patients with the triple target regimen and 25.8% of those with EMG-biofeedback. CONCLUSIONS The combination of amplitude-modulated medium-frequency electrostimulation with EMG-biofeedback in the triple target regimen is superior to EMG-biofeedback alone in the treatment of anal incontinence. Therapy programs for fecal incontinence are most effective if patients participate for longer than 2 to 3 months.
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Affiliation(s)
- Thilo Schwandner
- Clinic for General, Visceral, Thorax, and Transplantation Surgery, Faculty of Medicine, Justus-Liebig-University Giessen, Giessen, Germany
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Chase J, Robertson VJ, Southwell B, Hutson J, Gibb S. Pilot study using transcutaneous electrical stimulation (interferential current) to treat chronic treatment-resistant constipation and soiling in children. J Gastroenterol Hepatol 2005; 20:1054-61. [PMID: 15955214 DOI: 10.1111/j.1440-1746.2005.03863.x] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Chronic constipation in children may have organic or behavioral causes. The purpose of the present study was to investigate the effect of treatment with transcutaneous electrical stimulation (using interferential current) in children with chronic treatment-resistant constipation with proven organic disorders. METHODS Eight children (7-16 years) with at least 4 years of chronic treatment-resistant constipation and soiling, who had failed diet, laxative treatment and behavioral therapy were given 1 month of transcutaneous electrical stimulation. The three most severe cases had appendicostomies with antegrade washouts every 2-3 days to prevent impaction and reduce their soiling. Children and carers kept a daily diary of bowel habits, recording number of spontaneous defecations, episodes of soiling, use of bowel washouts and medications. Transcutaneous stimulation using interferential current was applied three times per week for 3-4 weeks using four surface electrodes, two to the paraspinal area of T9-10 to L2 and one to either side of the anterior abdominal wall beneath the costal margin. Diaries were recorded for 1 month before, during, and after stimulation and for 2 weeks 3 months later. RESULTS Transcutaneous electrical stimulation using interferential current stopped soiling in 7/8 children and increased the frequency of spontaneous defecations in 5/8. Defecations remained high and soiling low for 3 months in 3/6 children (with data). CONCLUSIONS These results suggest that transcutaneous electrical stimulation using interferential current has a beneficial effect for children with chronic treatment-resistant constipation. Further trials using larger series of patients are needed to confirm this benefit, to determine the ideal stimulation parameters and to investigate why electrical stimulation might be effective.
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Affiliation(s)
- Janet Chase
- School of Physiotherapy, The University of Melbourne, Victoria, Australia.
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Devreese A, Staes F, De Weerdt W, Feys H, Van Assche A, Penninckx F, Vereecken R. Clinical evaluation of pelvic floor muscle function in continent and incontinent women. Neurourol Urodyn 2004; 23:190-7. [PMID: 15098213 DOI: 10.1002/nau.20018] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
AIMS The aim of the study was to investigate the reliability of a scoring system for the investigation of voluntary and reflex co-contractions of abdominal and pelvic floor muscles in lying, sitting, and standing positions in continent and incontinent women. METHODS A visual inspection and digital (strength, tone, speed, and endurance) palpation scale was developed to measure the coordination of the lower abdominal and pelvic floor muscles. Inter-observer reliability of the scales was investigated in 40 continent and 40 incontinent women. Differences between the continent and incontinent group were analysed. RESULTS Inter-observer reliability for the visual inspection scale showed kappa values between 0.91 and 1.00, for tone percentage of agreement ranged from 95 to 100% (superficial) and 95 to 98% (deep muscle). Weighted Kappa (K(w)) varied from 0.77 to 0.95 for strength and 0.75 to 0.98 for the inward movement of superficial and deep pelvic floor muscles. K(w) for coordination between the superficial and deep part of the pelvic floor muscles groups was from 0.87 to 0.88 and 0.97 to 1.00 for endurance and global speed of the pelvic floor contraction. The continent women exhibited significantly better coordination between the pelvic floor and lower abdominal muscles during coughing in all three positions. Also the superficial part of the inward movement, the feeling and the coordination of the pelvic floor muscles were significantly better in the continent group. CONCLUSIONS Visual inspection and digital tests are easy and reliable methods by which insight can be gained into the multi-muscular activity and coordination of the pelvic floor and lower abdominal muscles in continent and incontinent women.
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Affiliation(s)
- Annemie Devreese
- Department of Rehabilitation Sciences, Faculty of Physical Education and Physiotherapy, University of Leuven, Tervuursevest 101, B-3001 Leuven, Belgium.
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Robertson VJ, Spurritt D. Electrophysical Agents: Implications of their Availability and Use in Undergraduate Clinical Placements. Physiotherapy 1998. [DOI: 10.1016/s0031-9406(05)63462-1] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Ward AR, Robertson VJ. Sensory, motor, and pain thresholds for stimulation with medium frequency alternating current. Arch Phys Med Rehabil 1998; 79:273-8. [PMID: 9523778 DOI: 10.1016/s0003-9993(98)90006-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES To investigate the effect of frequency of alternating current on the sensory, motor, and pain thresholds in normal subjects, and to establish the optimal frequency for motor stimulation with minimal subject discomfort. DESIGN A repeated measures design using two groups of 11 subjects. SETTING A laboratory setting was used. PARTICIPANTS Participants were volunteers who met the inclusion criteria. INTERVENTIONS Alternating current with 20 different carrier frequencies between 1 and 35 kHz, all modulated at 50 Hz, was applied to each subject on two separate occasions. For half the subjects, the frequency was increased or decreased sequentially (reversed on second occasion), and for the other half, it was applied in a different random order on each occasion. MAIN OUTCOME MEASURES The voltage at the sensory threshold was recorded for each applied frequency. This was subsequently repeated for motor and pain thresholds. RESULTS Sensory, motor, and pain thresholds decreased with increasing frequency between 1 kHz and approximately 10 kHz. Above 10 kHz, the thresholds increased. The ratio pain threshold/sensory threshold increased systematically with increasing frequency over the range examined. By contrast, the ratio pain threshold/motor threshold showed a distinct maximum at a frequency of 10 kHz. Marked accommodation to motor and pain fiber stimulation was observed. CONCLUSIONS For comfortable sensory stimulation, a high frequency of alternating current is preferable. Discrimination between pain and motor stimulation is maximal at a frequency of approximately 10 kHz. This suggests that the optimal frequency for comfortable motor stimulation, one that is least likely to elicit pain fiber stimulation, is close to 10 kHz.
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Affiliation(s)
- A R Ward
- School of Human Biosciences, La Trobe University, Bundoora, Victoria, Australia
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Newman DK. Urinary incontinence management in the USA: the role of the nurse. BRITISH JOURNAL OF NURSING (MARK ALLEN PUBLISHING) 1996; 5:78, 80, 82-8. [PMID: 8680250 DOI: 10.12968/bjon.1996.5.2.78] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Urinary incontinence (UI) is a prevalent medical problem in the USA. Approximately 12 million Americans are incontinent of urine. Hu et al (1994) estimate that the costs of managing the problem are $10 billion annually. In persons aged 65 years and older the incidence of UI is 30% or more it is estimated that more than 60% of people with UI never mention their problem to a doctor of nurse. This is a sad fact considering that UI is a highly treatable, if not curable, problem. In the USA, advanced practice nurses, nurse practitioners and clinical nurse specialists who have advanced educational and master's degrees and clinical practice requirements are making a significant impact on the management of UI. This article outlines the role of advanced practice nurses in the diagnosis and behavioural management of UI.
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Walter JS, Wheeler JS, Robinson CJ, Wurster RD. Inhibiting the hyperreflexic bladder with electrical stimulation in a spinal animal model. Neurourol Urodyn 1993; 12:241-52; discussion 253. [PMID: 8330047 DOI: 10.1002/nau.1930120306] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Uninhibited bladder contractions are a problem in spinal cord injured patients. Accordingly, methods using electrical stimulation to inhibit the bladder were investigated in chronic spinal cord injured (C6-T1) male cats. In unanesthetized, restrained animals, spontaneous bladder contractions were observed after the bladder was filled above the micturition threshold. In 3 of the 5 cats studied, this bladder activity could be inhibited with stimulation of either sacral nerves or pudendal nerves. Pudendal nerve stimulation, however, was more selective than sacral nerve stimulation for inhibition with fewer side effects such as leg spasms. Tibial nerve stimulation was ineffective and caused leg spasms and increased bladder activity. Finally, high-frequency stimulation (1,000 Hz) of the sacral nerves was shown to block bladder contractions in 2 of 3 cats investigated. However, this method had adverse side effects such as leg flexion and secondary bladder contractions. We conclude that pudendal nerve/pelvic floor stimulation at low frequency is a relatively effective method in this model.
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Affiliation(s)
- J S Walter
- Hines Veterans Administration Hospital, Rehabilitation Research and Development Center, Illinois 60141
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