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Posterior tibial nerve stimulation

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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
#1
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
#2
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
#3
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
#4
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...
March 3, 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
#5
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
https://www.readbyqxmd.com/read/28227180/electrical-stimulation-of-the-saphenous-nerve-in-anesthetized-rats-a-novel-therapeutic-approach-to-treating-overactive-bladder
#6
Zainab Moazzam, Paul B Yoo, Zainab Moazzam, Paul B Yoo, Paul B Yoo, Zainab Moazzam
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/28209507/ultrasound-guided-pulsed-radiofrequency-stimulation-of-posterior-tibial-nerve-a-potential-novel-intervention-for-recalcitrant-plantar-fasciitis
#7
Yung-Tsan Wu, Chih-Ya Chang, Yu-Ching Chou, Chun-Chang Yeh, Tsung-Ying Li, Heng-Yi Chu, Liang-Cheng Chen
OBJECTIVE: To evaluate the therapeutic benefit of ultrasound-guided pulsed radiofrequency (PRF) stimulation at the posterior tibial nerve (PTN) in patients with recalcitrant plantar fasciitis (PF). DESIGN: A prospective, randomized, double-blinded, placebo-controlled trial (12-week follow-up). SETTING: Outpatient of local medical center settings. PARTICIPANTS: Thirty-six patients with recalcitrant PF were randomized and 36 participants were included in the final data analysis...
February 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28177994/bilateral-posterior-tibial-nerve-stimulation-in-the-treatment-of-rectal-evacuation-disorder-a-preliminary-report
#8
Khaled M Madbouly, Khaled S Abbas, Emad Emanuel
BACKGROUND: Posterior tibial nerve stimulation influences both motor and sensory pathways, as well as the central nervous system. Stimulation of posterior tibial nerve roots (L4 to S3) could improve stool evacuation through S3 and/or S2 stimulation. OBJECTIVE: This study aimed to assess the efficiency of bilateral posterior tibial nerve stimulation in the treatment of rectal evacuation disorder without anatomic obstruction. DESIGN: This was a prospective case series studying the treatment of patients with obstructed defecation by posterior tibial nerve stimulation...
March 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27926561/percutaneous-posterior-tibial-nerve-stimulation-vs-perianal-application-of-glyceryl-trinitrate-ointment-in-the-treatment-of-chronic-anal-fissure-a-randomized-clinical-trial
#9
Jaime Ruiz-Tovar, Carolina Llavero
BACKGROUND: Current therapeutic guidelines for the treatment of chronic anal fissure establish a medical approach as the first step. Glyceryl trinitrate ointment is the most popular of the available topical treatments in Spain but it is associated with the appearance of headache. OBJECTIVE: The purpose of this study was to compare the compliance rate among patients receiving glyceryl trinitrate treatment for chronic anal fissure with that among patients receiving percutaneous posterior tibial nerve stimulation...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27725887/training-specific-neural-plasticity-in-spinal-reflexes-after-incomplete-spinal-cord-injury
#10
Atif S Khan, Susan K Patrick, Francois D Roy, Monica A Gorassini, Jaynie F Yang
The neural plasticity of spinal reflexes after two contrasting forms of walking training was determined in individuals with chronic, motor-incomplete spinal cord injury (SCI). Endurance Training involved treadmill walking for as long as possible, and Precision Training involved walking precisely over obstacles and onto targets overground. Twenty participants started either Endurance or Precision Training for 2 months and then crossed over after a 2-month rest period to the other form of training for 2 months...
2016: Neural Plasticity
https://www.readbyqxmd.com/read/27689422/intraoperative-electrophysiological-monitoring-for-c1-2-spinal-cord-stimulation
#11
Laura M Muncie, Nathaniel R Ellens, Emeline Tolod-Kemp, Claudio A Feler, John S Winestone
OBJECTIVE This study is a retrospective case series involving C1-2 spinal cord stimulation in patients with complex regional pain syndrome (CRPS) under general endotracheal anesthesia. Currently, C1-2 paddle lead placement is an accepted practice, which provides effective cervical stimulation to ameliorate upper-extremity and sometimes lower-extremity symptoms experienced by patients with CRPS. However, this technique must be performed under general endotracheal anesthesia rather than in an awake or semiconscious state due to intraoperative safety concerns and patient comfort...
February 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27633930/early-impairment-of-somatosensory-evoked-potentials-in-very-young-children-with-achondroplasia-with-foramen-magnum-stenosis
#12
Stefania Fornarino, Daniela Paola Rossi, Mariasavina Severino, Angela Pistorio, Anna Elsa Maria Allegri, Simona Martelli, Laura Doria Lamba, Paola Lanteri
AIM: To evaluate the contribution of somatosensory evoked potentials after median nerve (MN-SEPs) and posterior tibial nerve (PTN-SEPs) stimulation in functional assessment of cervical and lumbar spinal stenosis in children with achondroplasia. METHOD: We reviewed MN-SEPs, PTN-SEPs, and spinal magnetic resonance imaging (MRI) examinations performed in 58 patients with achondroplasia (25 males, 33 females; age range 21d-16y 10mo; mean age 4y 3mo [SD 4y 1mo]). Patients were subdivided into four age categories: <2 years, between 2 to 4 years, between 4 to 8 years, and ≥8 years...
February 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27583411/neurostimulation-of-the-gastrointestinal-tract-in-children-is-it-time-to-shock-the-gut
#13
Peter L Lu, Carlo Di Lorenzo
PURPOSE OF REVIEW: The use of neurostimulation for treatment of gastrointestinal disorders has been growing over the past two to three decades. Our objective is to review current applications of neurostimulation in the treatment of gastrointestinal disorders with an emphasis on the use of these treatment modalities in children. RECENT FINDINGS: Gastric electrical stimulation can lead to symptomatic improvement in children with chronic nausea and vomiting refractory to conventional treatment, and a recent report of long-term outcomes is encouraging...
October 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27465733/effects-of-aerobic-exercise-under-different-thermal-conditions-on-human-somatosensory-processing
#14
Hiroki Nakata, Misaki Oshiro, Mari Namba, Manabu Shibasaki
The present study aimed to investigate the effects of aerobic exercise on human somatosensory processing recorded by somatosensory evoked potentials (SEPs) under temperate [TEMP, 20°C and 40% relative humidity (RH)] and hot (HOT, 35°C and 30% RH) environments. Fifteen healthy subjects performed 4 × 15-min bouts of a moderate cycling exercise [mean power output: 156.5 ± 7.7 (SE) W], with a 10-min rest period and received a posterior tibial nerve stimulation at the left ankle before and after each exercise bout; SEPs were recorded in five sessions; 1st (pre), 2nd (post-1st exercise bout), 3rd (post-2nd exercise bout), 4th (post-3rd exercise bout), and 5th (post-4th exercise bout)...
October 1, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27352681/peer-review-report-1-on-randomized-clinical-trial-of-transcutaneous-electrical-posterior-tibial-nerve-stimulation-versus-lateral-internal-sphincterotomy-for-treatment-of-chronic-anal-fissure
#15
https://www.readbyqxmd.com/read/27080282/-postoperative-analgesia-effect-of-different-background-volumes-of-ropivacaine-in-continuous-tibial-nerve-block-in-patients-with-calcaneal-surgery
#16
RANDOMIZED CONTROLLED TRIAL
J Yi, L Xu, H H Lin
OBJECTIVE: To observe the clinical effect of different background volumes of ropivacaine in continuous tibial nerve block of postoperative analgesia after calcaneal surgery. METHODS: This study was a prospective, randomized, controlled study. Sixty cases of calcaneal visual analogue scale (ASA) I or II undergoing elective surgery were selected and randomly assigned to two groups, thirty cases in each group. The patients received popliteal fossa posterior tibial nerve block using ultrasound guided...
April 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27032806/effect-of-muscle-length-on-voluntary-activation-of-the-plantar-flexors-in-boys-and-men
#17
Virginie Kluka, Vincent Martin, Sebastian Garcia Vicencio, Mathias Giustiniani, Claire Morel, Cédric Morio, Emmanuel Coudeyre, Sébastien Ratel
PURPOSE: The aim of the present study was to compare the effect of muscle length on the maximal voluntary activation level (VA) of the plantar-flexors between children and adults. METHODS: Fourteen boys (10.0 ± 1.0 years) and fifteen men (24.6 ± 4.2 years) performed 5-s maximal isometric voluntary contractions (MVC) of the plantar-flexor muscles at seven ankle angles [from 10° in dorsi-flexion (DF) to 20° in plantar-flexion (PF); 0° = reference position; the angle between the plantar surface and leg is a right angle]...
May 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/26934561/measurement-of-blood-flow-in-the-deep-veins-of-the-lower-limb-using-the-geko%C3%A2-neuromuscular-electro-stimulation-device
#18
Maura Griffin, Dawn Bond, Andrew Nicolaides
BACKGROUND: A previous study using electrical stimulation of the common peroneal nerve (geko™) to activate the venous muscle pump measured blood flow in both the femoral and popliteal veins. Increased blood flow by as much as 60% was demonstrated in the femoral vein. Such an increase is assumed to be as a result of an increase in venous flow from the deep calf veins; however this has yet to be confirmed. The aim of this study was to conduct direct measurements in these deep calf veins to confirm this assumption in healthy individuals...
August 2016: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/26925981/sacral-nerve-stimulation-versus-percutaneous-posterior-tibial-nerve-stimulation-in-the-treatment-of-severe-fecal-incontinence-in-men
#19
COMPARATIVE STUDY
P Moya, P Parra, A Arroyo, E Peña, J Benavides, R Calpena
BACKGROUND: Sacral nerve stimulation and percutaneous posterior tibial nerve stimulation have been described previously as effective treatments for fecal incontinence. Nevertheless, there does not exist any study that compares the efficiency of both. The aim of this study was to compare the use of SNS and PPTNS in males with FI. METHODS: We conducted a prospective cohort study on men with FI treated with SNS or PTNS in the Coloproctology Unit of the University General Hospital of Elche and Reina Sofia of Murcia between January 2010 and December 2011...
May 2016: Techniques in Coloproctology
https://www.readbyqxmd.com/read/26909229/faecal-incontinence-current-knowledges-and-perspectives
#20
REVIEW
Alban Benezech, Michel Bouvier, Véronique Vitton
Faecal incontinence (FI) is a disabling and frequent symptom since its prevalence can vary between 5% and 15% of the general population. It has a particular negative impact on quality of life. Many tools are currently available for the treatment of FI, from conservative measures to invasive surgical treatments. The conservative treatment may be dietetic measures, various pharmacological agents, anorectal rehabilitation, posterior tibial nerve stimulation, and transanal irrigation. If needed, patients may have miniinvasive approaches such as sacral nerve modulation or antegrade irrigation...
February 15, 2016: World Journal of Gastrointestinal Pathophysiology
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