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Posterior tibial nerve stimulation

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https://www.readbyqxmd.com/read/29115915/neuromodulation-in-multiple-sclerosis
#1
Hesham Abboud, Eddie Hill, Junaid Siddiqui, Alessandro Serra, Benjamin Walter
Neuromodulation, or the utilization of advanced technology for targeted electrical or chemical neuronal stimulation or inhibition, has been expanding in several neurological subspecialties. In the past decades, immune-modulating therapy has been the main focus of multiple sclerosis (MS) research with little attention to neuromodulation. However, with the recent advances in disease-modifying therapies, it is time to shift the focus of MS research to neuromodulation and restoration of function as with other neurological subspecialties...
November 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28964687/-outcomes-of-transcutaneous-posterior-tibial-nerve-stimulation-for-overactive-bladder-in-diabetic-patients
#2
L Mathieu, B Peyronnet, N Senal, S Fontaine, A Manunta, T Honoré, J Hascoet, M Damphousse, I Bonan, J Kerdraon
OBJECTIVE: Treatment with transcutaneous posterior tibial neurostimulation (NTPT) has been shown to be effective in the treatment of overactive bladder (OAB), but its outcomes in diabetic patients have never been assessed. The aim of this study was to compare the efficacy of NTPT in diabetic OAB patients and in OAB patients without diabetes. METHODS: A single-center prospective study included all patients treated with NTPT for lower urinary tract storage symptoms between 2012 and 2016...
September 27, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28892581/direct-current-stimulation-modulates-the-excitability-of-the-sensory-and-motor-fibres-in-the-human-posterior-tibial-nerve-with-a-long-lasting-effect-on-the-h-reflex
#3
Francesco Bolzoni, Roberto Esposti, Carlo Bruttini, Giuseppe Zenoni, Elzbieta Jankowska, Paolo Cavallari
Several studies demonstrated that transcutaneous direct current stimulation (DCS) may modulate central nervous system excitability. However, much less is known about how DC affects peripheral nerve fibres. We investigated the action of DCS on motor and sensory fibres of the human posterior tibial nerve, with supplementary analysis in acute experiments on rats. In forty human subjects, electric pulses at the popliteal fossa were used to elicit either M-waves or H-reflexes in the Soleus, before (15 min), during (10 min) and after (30 min) DCS...
September 11, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28855188/an-excitatory-reflex-from-the-superficial-peroneal-nerve-to-the-bladder-in-cats
#4
Michelle Yu, Jamie Uy, Xuewen Jiang, Xing Li, Cameron Jones, Bing Shen, Jicheng Wang, James R Roppolo, William C de Groat, Changfeng Tai
This study in α-chloralose anesthetized cats discovered an excitatory peroneal nerve-to-bladder reflex. A urethral catheter was used to infuse the bladder with saline and record bladder pressure changes. Electrical stimulation was applied to the superficial peroneal nerve to trigger a reflex bladder activity. With the bladder distended at a volume about 90% of bladder capacity, superficial peroneal nerve stimulation (PNS) at 1-3 Hz and threshold (T) intensity for inducing muscle twitching on the posterior thigh induced large amplitude (40-150 cmH2O) bladder contractions...
August 30, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28792105/transcutaneous-posterior-tibial-nerve-electrostimulation-with-low-dose-trospium-chloride-could-it-be-used-as-a-second-line-treatment-of-overactive-bladder-in-females
#5
Amr Abulseoud, Ahmed Moussa, Gaber Abdelfattah, Ibrahim Ibrahim, Emmanuel Saba, Mohamed Hassouna
AIM: To evaluate the effect of adding low dose trospium chloride with transcutaneous posterior tibial nerve stimulation (TPTNS) in the treatment of overactive bladder (OAB) in females after failure of behavioral therapy. METHODS: We randomized 30 women with OAB, in two groups: G I received 30 min TPTNS, three times a week; GII received TPTNS plus 20 mg trospium chloride daily. OAB Symptom Score questionnaire (OABSS), Incontinence Impact Questionnaire-short form 7 (IIQ-7), 3 day voiding diary and urodynamics at weeks 0 and 8 were evaluated...
August 9, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28744060/effects-of-physiotherapy-treatment-for-urinary-incontinence-in-patient-with-multiple-sclerosis
#6
Carla Maria de Abreu Pereira, Mariane Castiglione, Karina Tamy Kasawara
[Purpose] The aim of the study was to evaluate the benefits of physical therapy for urinary incontinence in patients with multiple sclerosis and to verify the impact of urinary incontinence on the patient's quality of life. [Subject and Methods] A case study of a 55-year-old female patient diagnosed with multiple sclerosis and mixed urinary incontinence was conducted. Physical therapy sessions were conducted once a week, in total 15 sessions, making use of targeted functional electrical vaginal stimulation, along with active exercises for the pelvic floor muscles and electrical stimulation of the posterior tibial nerve, behavioral rehabilitation and exercise at home...
July 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28724780/a-reduced-somatosensory-gating-response-in-individuals-with-multiple-sclerosis-is-related-to-walking-impairment
#7
David J Arpin, James E Gehringer, Tony W Wilson, Max J Kurz
When identical stimuli are presented in rapid temporal succession, neural responses to the second stimulation are often weaker than those observed for the first. This phenomenon is termed sensory gating and is believed to be an adaptive feature that helps prevent higher-order cortical centers from being flooded with unnecessary information. Recently, sensory gating in the somatosensory system has been linked to deficits in tactile discrimination. Additionally, studies have linked poor tactile discrimination with impaired walking and balance in individuals with multiple sclerosis (MS)...
October 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28663624/the-effect-of-preemptive-ankle-block-using-ropivacaine-and-dexamethasone-on-postoperative-analgesia-in-foot-surgery
#8
Ashraf Elsayed Alzeftawy, Nabil Aly Elsheikh
BACKGROUND: Peripheral nerve blocks have become an increasingly popular form of anesthesia. Preemptive analgesia reduces central sensitization, postoperative pain, and analgesic consumption. Different additive has been used to prolong regional blockade and improve postoperative analgesia. AIM: This study was conducted to evaluate whether preemptive ankle block using combination of ropivacaine and dexamethasone would succeed in improving the postoperative analgesia after foot surgery in patients receiving general anesthesia...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28660750/urinary-manifestations-in-isaacs-s-syndrome-our-experience-in-8-cases
#9
Silvia N Gonzalez Primomo, Leandro Blas, Alicia C Bertotti, Carlos Ameri
INTRODUCTION: Isaacs's syndrome (IS), is a rare neurological disorder, characterized by sustained muscular activity, fasciculations, cramps, myokymia, excessive sweating, and occasional elevation of creatine phosphokinase (CPK) enzyme. AIM: To report our experience in patients with IS and urinary manifestations, describing clinical findings, test's results, and response to treatment. Methods An observational, retrospective analysis of patients with IS and urinary manifestations treated at German Hospital of Buenos Aires between 2001 and 2011 was done...
June 29, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28656519/where-are-we-headed-with-neuromodulation-for-overactive-bladder
#10
REVIEW
Kaitlin Jaqua, Charles R Powell
Overactive bladder (OAB) affects millions of people around the world and decreases quality of life for those affected. Over the past two decades, significant advances in treatment have transformed the lives of those with OAB. Sacral neuromodulation (SNM), posterior tibial nerve stimulation (PTNS), and dorsal genital nerve stimulation are the most effective contemporary treatment modalities. New techniques and bio-sensing schemes offer promise to advance therapy beyond what is currently available. Current neuromodulation techniques do not use real-time data from the body or input from the patient...
August 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28646940/management-of-refractory-idiopathic-overactive-bladder-intradetrusor-injection-of-botulinum-toxin-type-a-versus-posterior-tibial-nerve-stimulation
#11
Hammouda Sherif, Mostafa Khalil, Rabea Omar
INTRODUCTION: To compare the safety and efficacy of posterior tibial nerve stimulation (PTNS) versus an intradetrusor injection of botulinum toxin type-A (BTX-A) 100 U in the management of refractory idiopathic overactive bladder (OAB). MATERIALS AND METHODS: We randomized 60 patients with refractory idiopathic OAB to receive an intradetrusor injection of BTX-A 100 U or PTNS. We assessed the patients at baseline, 6 weeks, 3 months, 6 months, and 9 months, and determined their clinical symptoms, overall OAB symptom score, urgency score, quality-of-life score, and urodynamic study parameters...
June 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28615976/clinical-utility-of-neurostimulation-devices-in-the-treatment-of-overactive-bladder-current-perspectives
#12
REVIEW
Dick Aw Janssen, Frank Mj Martens, Liesbeth L de Wall, Hendrikje Mk van Breda, John Pfa Heesakkers
OBJECTIVES: This review describes the evidence from established and experimental therapies that use electrical nerve stimulation to treat lower urinary tract dysfunction. METHODS: Clinical studies on established treatments such as percutaneous posterior tibial nerve stimulation (P-PTNS), transcutaneous electrical nerve stimulation (TENS), sacral nerve stimulation (SNS) and sacral anterior root stimulation (SARS) are evaluated. In addition, clinical evidence from experimental therapies such as dorsal genital nerve (DGN) stimulation, pudendal nerve stimulation, magnetic nerve stimulation and ankle implants for tibial nerve stimulation are evaluated...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28439675/a-pilot-study-assessing-the-efficacy-of-posterior-tibial-nerve-stimulation-in-the-treatment-of-low-anterior-resection-syndrome
#13
V Vigorita, S Rausei, P Troncoso Pereira, I Trostchansky, A Ruano Poblador, E Moncada Iribarren, C Facal Alvarez, A de San Ildefonso Pereira, E Casal Núñez
BACKGROUND: Low anterior resection for rectal cancer often results in severe bowel dysfunction, specifically low anterior resection syndrome (LARS), with symptoms such as incontinence, urgency, and frequent bowel movements. Percutaneous tibial nerve stimulation (PTNS) resulted in a high rate of success in patients with fecal incontinence. The aim of this study was to evaluate the effectiveness of treatment with PTNS in LARS and to identify predictors of the outcome of the technique. METHODS: The study was conducted from May 2012 to April 2015 at the Alvaro Cunqueiro Hospital, University Hospital Complex of Vigo, Spain...
April 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28346718/modulation-of-the-rat-micturition-reflex-with-transcutaneous-ultrasound
#14
Daniel P Casella, Anne G Dudley, Douglass B Clayton, John C Pope, Stacy T Tanaka, John Thomas, Mark C Adams, John W Brock, Charles F Caskey
INTRODUCTION: Low intensity focused ultrasound has recently been identified as a novel method of stimulating targeted neurons. We hypothesized that ultrasound stimulation of the posterior tibial nerve would inhibit bladder contractions in an established rat model of rhythmic bladder contractions. METHODS: Cyclical detrusor contractions were initiated by placing a transurethral catheter in female rats and infusing saline into the bladder. Transcutaneous ultrasound pulses were then delivered to the lower extremity of a rat (overlying the posterior tibial nerve) using a single element spherically focused 250 kHz transducer...
March 27, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28325529/transcutaneous-stimulation-of-the-posterior-tibial-nerve-for-treating-refractory-urge-incontinence-of-idiopathic-and-neurogenic-origin
#15
C Valles-Antuña, M L Pérez-Haro, C González-Ruiz de L, A Quintás-Blanco, E M Tamargo-Diaz, J García-Rodríguez, A San Martín-Blanco, J M Fernandez-Gomez
OBJECTIVE: To assess the efficacy of treatment with transcutaneous posterior tibial nerve stimulation (TPTNS) in patients with urge urinary incontinence, of neurogenic or nonneurogenic origin, refractory to first-line therapeutic options. MATERIAL AND METHODS: We included 65 patients with urge urinary incontinence refractory to medical treatment. A case history review, a urodynamic study and a somatosensory evoked potentials (SEP) study were conducted before the TPTNS, studying the functional urological condition by means of a voiding diary...
March 18, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28290507/inhibitory-interneuron-circuits-at-cortical-and-spinal-levels-are-associated-with-individual-differences-in-corticomuscular-coherence-during-isometric-voluntary-contraction
#16
Ryosuke Matsuya, Junichi Ushiyama, Junichi Ushiba
Corticomuscular coherence (CMC) is an oscillatory synchronization of 15-35 Hz (β-band) between electroencephalogram (EEG) of the sensorimotor cortex and electromyogram of contracting muscles. Although we reported that the magnitude of CMC varies among individuals, the physiological mechanisms underlying this variation are still unclear. Here, we aimed to investigate the associations between CMC and intracortical inhibition (ICI) in the primary motor cortex (M1)/recurrent inhibition (RI) in the spinal cord, which probably affect oscillatory neural activities...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28269268/posterior-tibial-nerve-stimulation-using-a-wirelessly-powered-system-in-anesthetized-cats
#17
Zainab Moazzam, Austin R Duke, Paul B Yoo
Posterior Tibial Nerve Stimulation (PTNS) is an effective overactive bladder (OAB) therapy where electrical pulses are typically delivered once per week in a 12-week stimulation regime. While the mechanism of action remains unknown, effective long-term delivery of PTNS has recently become a subject of concern. To this end, a multi-contact electrode was surgically placed in the hind limb region of anesthetized cats to (1) investigate the feasibility of using a wirelessly powered system to stimulate PTN afferents and (2) characterize implant-driven effects of stimulation frequency on modulating bladder activity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268971/electrical-stimulation-of-the-saphenous-nerve-in-anesthetized-rats-a-novel-therapeutic-approach-to-treating-overactive-bladder
#18
Zainab Moazzam, Paul B Yoo
Posterior Tibial Nerve Stimulation (PTNS) is a minimally invasive yet effective therapy for treating overactive bladder (OAB) symptoms with electrical stimulations applied at 20 Hz coupled with amplitudes approximating the foot-twitch threshold (T). However, pre-clinical studies indicate that PTNS-evoked bladder reflexes require stimulation amplitudes exceeding 2T. The objective of this work was to evaluate the presence of secondary low-threshold sensory pathways in the hind-limb region that can be a potential target of activation during clinical PTNS set-up...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28258435/convergence-of-ipsi-and-contralateral-muscle-afferents-on-common-interneurons-mediating-reciprocal-inhibition-of-ankle-plantarflexors-in-humans
#19
Natalie Mrachacz-Kersting, S S Geertsen, A J T Stevenson, J B Nielsen
Recent studies have shown that afferents arising from muscle receptors located on one side can affect the activity of muscles on the contralateral side. In animal preparations, evidence supports that afferent pathways originating from one limb converge onto interneurons mediating disynaptic reciprocal Ia inhibition of the opposite limb. This study was designed to investigate whether this pathway is similar in humans to that described in animals. Thirteen healthy volunteers participated in one of two experiments...
May 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28227502/posterior-tibial-nerve-stimulation-using-a-wirelessly-powered-system-in-anesthetized-cats
#20
Zainab Moazzam, Austin R Duke, Paul B Yoo, Zainab Moazzam, Austin R Duke, Paul B Yoo, Paul B Yoo, Zainab Moazzam, Austin R Duke
Posterior Tibial Nerve Stimulation (PTNS) is an effective overactive bladder (OAB) therapy where electrical pulses are typically delivered once per week in a 12-week stimulation regime. While the mechanism of action remains unknown, effective long-term delivery of PTNS has recently become a subject of concern. To this end, a multi-contact electrode was surgically placed in the hind limb region of anesthetized cats to (1) investigate the feasibility of using a wirelessly powered system to stimulate PTN afferents and (2) characterize implant-driven effects of stimulation frequency on modulating bladder activity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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