Electrical stimulation with non-implanted devices for stress urinary incontinence in women.
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ABSTRACT:
SUBMITTER: Stewart F
PROVIDER: S-EPMC6486295 | biostudies-literature | 2017 Dec
REPOSITORIES: biostudies-literature
Publications
Electrical stimulation with non-implanted devices for stress urinary incontinence in women.
Stewart Fiona F Berghmans Bary B Bø Kari K Glazener Cathryn Ma CM
The Cochrane database of systematic reviews 20171222
<h4>Background</h4>Several treatment options are available for stress urinary incontinence (SUI), including pelvic floor muscle training (PFMT), drug therapy and surgery. Problems exist such as adherence to PFMT regimens, side effects linked to drug therapy and the risks associated with surgery. We have evaluated an alternative treatment, electrical stimulation (ES) with non-implanted devices, which aims to improve pelvic floor muscle function to reduce involuntary urine loss.<h4>Objectives</h4> ...[more]
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Project description:BackgroundTo investigate the changes in pelvic floor electrical physiological parameters in nulliparous women with stress urinary incontinence (SUI).MethodsA retrospective survey was conducted on 922 women aged 20-40 years who received health examinations at the First Affiliated Hospital of Nanjing Medical University between July 2017 and December 2019. The women were split into two groups: those who had SUI (n=87) and those that did not (n=835). Questionnaires and pelvic floor electrical physiological indexes were collected.ResultsThe mean age of the group of women with SUI was 29.77 years, while the mean age of the group of women with no SUI was 24.49 years. The body mass indexes (BMI) of the women with SUI were significantly higher than those of the women with no SUI. Importantly, the normal rates of type I and II fibers in the women with SUI were obviously lower than those in the women with no SUI. Moreover, the vaginal dynamic pressure in the women with SUI was significantly lower than in the women with no SUI. The study also found that the incidence of SUI in nulliparous women was higher in those aged 30-40 and that both low-weight and obese women had an increased risk of SUI. Type I and type II muscle fibers were more abnormal in the women with SUI than in those with no SUI. In multivariate logistic regression, the ages, BMIs, and type I fiber indexes of nulliparous women were related to SUI.ConclusionsNulliparous women have a higher rate of SUI. Compared to women with no SUI, the possible potential risk factors are age (>30 years), higher BMI, and abnormal type I muscle fiber of the pelvic floor.
| S-EPMC8100828 | biostudies-literature
Project description:BackgroundFemale urinary microbiota are associated with urgency urinary incontinence and response to medication. The urinary microbiota of women with stress urinary incontinence has not been described.ObjectiveWe sought to study the cross-sectional relationships between urinary microbiota features and demographic and clinical characteristics of women undergoing stress urinary incontinence surgery.Study designPreoperative urine specimens were collected from women without urinary tract infection and were available from 197 women (174 voided, 23 catheterized) enrolled in a multicenter prospective randomized trial, the Value of Urodynamic Evaluation study. Demographic and clinical variables were obtained including stress and urgency urinary incontinence symptoms, menopausal status, and hormone use. The bacterial composition of the urine was qualitatively assessed by sequencing the bacterial 16S ribosomal RNA gene. Phylogenetic relatedness and microbial alpha diversity were compared to demographics and symptoms using generalized estimating equation models.ResultsThe majority of 197 urine samples (86%) had detectable bacterial DNA. Bacterial diversity was significantly associated with higher body mass index (P = .02); increased Medical, Epidemiologic, and Social Aspects of Aging urge index score (P = .04); and hormonal status (P < .001). No associations were detected with stress urinary incontinence symptoms. Increased diversity was also associated with a concomitant lower frequency of Lactobacillus in hormone-negative women.ConclusionWomen undergoing stress urinary incontinence surgery have detectable urinary microbiota. This cross-sectional analysis revealed that increased diversity of the microbiota was associated with urgency urinary incontinence symptoms, hormonal status, and body mass index. In contrast, the female urinary microbiota were not associated with stress urinary incontinence symptoms.
| S-EPMC5182144 | biostudies-literature
Project description:This study examined the effectiveness of various electrical stimulation methods in alleviating symptoms and enhancing the quality of life for women with urinary incontinence. We conducted a systematic search of PubMed, Cochrane Library, PEDro, EMBASE, and ClinicalTrials.gov from inception to August 2024. Randomized controlled trials (RCTs) that meet following criteria were included, urinary continence in women, using various electric stimulation treatments and evaluated outcomes related to symptoms, quality of life. Thirty RCTs were subjected to risk of bias assessment, certainty of evidence, and network meta-analysis. Statistical analysis was performed using a random-effects model, with continuous variables expressed as standardized mean difference (SMD) and 95% confidence interval (CI). Percutaneous tibial stimulation (SMD - 1.86, 95% CI - 2.77 to - 0.96) and intravaginal stimulation (SMD - 0.97, 95% CI - 1.55 to - 0.38) significantly reduced symptom severity. Additionally, percutaneous tibial, intravaginal, transcutaneous tibial, and trans-sacral stimulations improved quality of life. Percutaneous tibial stimulation was the most effective, followed by intravaginal stimulation. Despite moderate to low confidence in the evidence, large-scale RCTs are needed to evaluate long-term benefits of these treatment.
| S-EPMC11541891 | biostudies-literature
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| S-EPMC10179444 | biostudies-literature
Project description: Not available
| S-EPMC6483329 | biostudies-literature
Project description:Miniaturization of active implantable medical devices is currently compromised by the available means for electrically powering them. Most common energy supply techniques for implants--batteries and inductive couplers--comprise bulky parts which, in most cases, are significantly larger than the circuitry they feed. Here, for overcoming such miniaturization bottleneck in the case of implants for electrical stimulation, it is proposed to make those implants act as rectifiers of high frequency bursts supplied by remote electrodes. In this way, low frequency currents will be generated locally around the implant and these low frequency currents will perform stimulation of excitable tissues whereas the high frequency currents will cause only innocuous heating. The present study numerically demonstrates that low frequency currents capable of stimulation can be produced by a miniature device behaving as a diode when high frequency currents, neither capable of thermal damage nor of stimulation, flow through the tissue where the device is implanted. Moreover, experimental evidence is provided by an in vivo proof of concept model consisting of an anesthetized earthworm in which a commercial diode was implanted. With currently available microelectronic techniques, very thin stimulation capsules (diameter <500 µm) deliverable by injection are easily conceivable.
| S-EPMC3151300 | biostudies-literature
Project description:BackgroundThere is currently a lack of randomized, sham-controlled trials that are adequately powered, using validated outcomes, to allow for firm recommendations on the use of magnetic stimulation for stress urinary incontinence. We report a protocol of a multicenter, randomized, double-blind, sham-controlled parallel-group trial to evaluate the efficacy of magnetic stimulation for stress urinary incontinence.Methods/designOne hundred twenty subjects with stress urinary incontinence will be randomized in a 1:1 allocation to either active or sham magnetic stimulation using computer-generated, permuted blocks of variable sizes. Subjects will receive 2 sessions of magnetic stimulation per week for 8 weeks (16 sessions total). The primary outcome is the improvement in severity of involuntary urine loss based on the International Consultation on Incontinence Questionnaire for Urinary Incontinence Short Form at the end of treatment sessions compared with baseline. Secondary outcomes include cure, stress urinary incontinence-related symptoms (incontinence episode frequency, urine loss in 1-hour pad test, pelvic floor muscle strength) and health-related quality of life (Patient Global Impression of Improvement, International Consultation on Incontinence Questionnaire-Lower Urinary Tract Symptoms Quality of Life and EQ-5D). The safety of magnetic stimulation will also be assessed. Besides evaluation of clinical treatment effectiveness, cost-effectiveness analysis using patient-reported outcomes will be performed.DiscussionThis trial is designed to provide pending outcome information on this non-invasive treatment option. We intend to acknowledge the existing flaws in previous clinical trials and determine conclusively whether magnetic stimulation is effective for stress urinary incontinence.Trial registrationClinicalTrials.gov Identifier: NCT01924728. Date of Registration: 14 August 2013.
| S-EPMC4477591 | biostudies-literature
Project description:ImportanceElectroacupuncture involving the lumbosacral region may be effective for women with stress urinary incontinence (SUI), but evidence is limited.ObjectiveTo assess the effect of electroacupuncture vs sham electroacupuncture for women with SUI.Design, setting, and participantsMulticenter, randomized clinical trial conducted at 12 hospitals in China and enrolling 504 women with SUI between October 2013 and May 2015, with data collection completed in December 2015.InterventionsParticipants were randomly assigned (1:1) to receive 18 sessions (over 6 weeks) of electroacupuncture involving the lumbosacral region (n = 252) or sham electroacupuncture (n = 252) with no skin penetration on sham acupoints.Main outcomes and measuresThe primary outcome was change from baseline to week 6 in the amount of urine leakage, measured by the 1-hour pad test. Secondary outcomes included mean 72-hour urinary incontinence episodes measured by a 72-hour bladder diary (72-hour incontinence episodes).ResultsAmong the 504 randomized participants (mean [SD] age, 55.3 [8.4] years), 482 completed the study. Mean urine leakage at baseline was 18.4 g for the electroacupuncture group and 19.1 g for the sham electroacupuncture group. Mean 72-hour incontinence episodes were 7.9 for the electroacupuncture group and 7.7 for the sham electroacupuncture group. At week 6, the electroacupuncture group had greater decrease in mean urine leakage (-9.9 g) than the sham electroacupuncture group (-2.6 g) with a mean difference of 7.4 g (95% CI, 4.8 to 10.0; P < .001). During some time periods, the change in the mean 72-hour incontinence episodes from baseline was greater with electroacupuncture than sham electroacupuncture with between-group differences of 1.0 episode in weeks 1 to 6 (95% CI, 0.2-1.7; P = .01), 2.0 episodes in weeks 15 to 18 (95% CI, 1.3-2.7; P < .001), and 2.1 episodes in weeks 27 to 30 (95% CI, 1.3-2.8; P < .001). The incidence of treatment-related adverse events was 1.6% in the electroacupuncture group and 2.0% in the sham electroacupuncture group, and all events were classified as mild.Conclusions and relevanceAmong women with stress urinary incontinence, treatment with electroacupuncture involving the lumbosacral region, compared with sham electroacupuncture, resulted in less urine leakage after 6 weeks. Further research is needed to understand long-term efficacy and the mechanism of action of this intervention.Trial registrationclinicaltrials.gov Identifier: NCT01784172.
| S-EPMC5815072 | biostudies-literature
Project description:Introduction and hypothesisThis study's aims were to detect and quantify bacterial DNA in the urine of randomized trial participants about to undergo treatment for urinary urgency incontinence (UUI) without clinical evidence of urinary tract infection (UTI) and to determine if the presence of bacterial DNA in baseline urine relates to either baseline urinary symptoms or UTI risk after urinary tract instrumentation.MethodsWomen without clinical evidence of baseline UTI were randomized to cystoscopic onabotulinum toxin A injection and oral placebo medication versus cystoscopic placebo injection and active oral medication. Bacterial DNA in participants' catheterized urine was measured by quantitative polymerase chain reaction (qPCR).ResultsBacterial DNA was detected in the urine of 38.7 % of participants (60 out of 155). In these 60 qPCR-positive participants, baseline daily UUI episodes were greater than in the 95 qPCR-negative participants (5.71 [±2.60] vs 4.72 [±2.86], p = 0.004). Neither symptom severity by questionnaire nor treatment outcome was associated with qPCR status or with qPCR level in qPCR-positive subjects. In contrast, the presence of urinary bacterial DNA was associated with UTI risk: only 10 % of the qPCR-positive women developed a UTI post-treatment, while 24 % of the qPCR-negative women did so. The median qPCR level for qPCR-positive samples did not differ significantly by UTI status (UTI 2.58 × 10(5) vs no UTI 1.35 × 10(5) copies/mL, p = 0.6).ConclusionsThese results may indicate a urinary bacterial contribution to both baseline UUI and the risk of post-treatment UTI.
| S-EPMC4128900 | biostudies-literature
Project description: Not available
| S-EPMC6513383 | biostudies-literature