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  #41  
Old 02-27-2017, 12:50 AM
Suebee Suebee is offline
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Default FDA approved new FES device

NEW FES Device gets FDA approval. Bioness’ L300 Go System electrical-stimulation rehabilitation device for multiple sclerosis (MS) patients and others with walking impairment. Initially, the system will be available only at medical facilities. Home availability is targeted for late 2017. excerpt from: https://multiplesclerosisnewstoday.c...r-ms-patients/

PRess Release says "Multi-channel stimulation is an additional noteworthy L300 Go feature that allows clinicians to precisely control the amount of dorsiflexion and inversion/eversion the system provides. Using a new, proprietary electrode, medial and lateral stimulation can be adjusted independently. This more efficient fitting process saves valuable time and facilitates more productive therapy sessions. excerpt From: http://www.prnewswire.com/news-relea...300402927.html

I guess, proof will be in the pudding on this device...it sounds like a more efficient biones that is already out there which is restricted to foot drop candidates.
(My foot only drops when fatigued or to just a small degree as evidenced by worn sole & soul .)
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  #42  
Old 03-06-2017, 01:40 AM
Suebee Suebee is offline
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Default FES pulsewidth and frequency

Here is a good start for understanding what FES is used in trials.....
Pre-print medical article described the protocol for FES training of non-ambulatory MS patients based on prior trials:

"FES Cycle Training Protocol
Participants trained three times a week for 4 weeks, for a total of 12 sessions. Four weeks
was chosen based on the assumption that this was long enough to test safety of FES cycling, and that if the participant had the capacity for any change in performance or function, this should be evident in this period of time. This duration was not expected to elicit the greatest change possible,but information would be useful for future, larger-scale studies. The stimulation parameters for this study were predetermined based on previous studies of FES cycling among people with complete SCI and were set at: pulse width of 200 µs21
and frequency of 50 Hz.22 We used
surface electrodes to stimulate the participants’ quadriceps, hamstrings, and gluteal muscles. The
stimulation intensity (mA) varied based on the participant’s tolerance and the amount of
stimulation required to achieve the target cycling speed of 35–50 rpm.
21,22
Each session began with a 2-minute warm-up of passive cycling at 35 rpm (no voluntary
cycling or electrical stimulation). During this phase the motor of the ergometer propelled the
pedals. This passive phase was followed by a 30-minute active (voluntary or assisted with
electrical stimulation) phase, during which the electrical stimulation ramped on to stimulate the muscles to assist active cycling. The session then ended with a 2-minute cool-down of passive cycling."

from article at http://ijmsc.org/doi/pdf/10.7224/1537-2073.2015-036
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  #43  
Old 03-06-2017, 02:06 AM
Suebee Suebee is offline
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Default FES from Athletic rehab perspective

A 2014 Sports Medicine article gives general overview of benefits to body for FES training combined with exercise and surveys around 12 medical articles and lists the FES pulse width and frequency used for strengthening muscle groups by exercise.

Chart in article found at Table 2. Gives
"Characteristics of the stimulation programmes frequently used for functional electrical stimulation during different exercises
(strengthening, cycling, rowing)"
[I couldn't figure out how to insert picture of chart so if interested follow link https://www.researchgate.net/publica..._in_Paraplegia ]
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  #44  
Old 03-06-2017, 03:30 PM
AMFADVENTURES AMFADVENTURES is offline
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Default

NICE FIND SUEBEE!!! Those articles answered a lot of my questions. I am more convinced than ever concerning the potential fes has for MS patients.

It appears fes does target all muscle types, fast twitch and slow twitch and it does it by direct stimulation as opposed to chemical reaction. Also interesting that the by products of fes are probably the same as the chemical reaction and need to be cleared by the cardiovascular system efficiently to prevent or delay muscle fatigue. Fes is definitely on my radar now and I will keep an eye out for opportunities.

Thanks Suebee
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  #45  
Old 04-05-2017, 05:15 PM
Lmh Lmh is offline
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Default FES for muscle stimulation

Hi everyone!
I've been keeping up with the various postings on FES use in MS. I would love to have one of the cycles ( who wouldn't!) for home use, but the insurance company doesn't agree.

The facility that I frequent for PT has a cycle and I was able to give it a whirl. Unfortunately, this is not a place that I could visit and log the number of hours needed for benefit.

So, my PT said a TENS unit could be a good alternative!! I have a dual unit and was taught where to place my electrode patches, the correct mode and intensity. I have various home exercises with the unit, gym exercises, and the best part of all.... a way to reduce my spasticity and pain! Several good nights of sleep resulted from this gizmo

I do believe one of the postings had an article showing electrode placement to help aid constipation. Lots of uses, and worth asking your PT for information.
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  #46  
Old 04-09-2017, 08:15 PM
Suebee Suebee is offline
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LMH,
Oh my gosh LMH, that is awesome! I begged three different PTs to help me to use a FES unit and no dice. I think liability reasons prevents and because there are little empirical evidence.
Dr. Wahls got a PT to help her and she adivises patients to get direction for PTs. So I guess it is hit or miss.

My core weakness is being particularly problematic rt now. I have gone back to work and I'm getting back and ab spasms (where ab six pack should be but isn't. I've tried tilting desk chair back. That is good to rest core, but one can't do much in reclined position, other than look like you are taking a break.

So, I was thinking about buying the ab belt that was the article I linked long ago and was evaluated by non involved drs and found to strengthen abs. the price for an experiment, though has stopped me from the purchase so far. I'll keep you posted....
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  #47  
Old 05-11-2017, 01:41 PM
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Here's a study on FES that just got published. - D

Effects of Functional Electrical Stimulation Cycling on the Physiological Functions, Walking Performance, and Body Composition of Persons with Severe Multiple Sclerosis
Irisa Myint, Illinois Mathematics and Science Academy
Session Number
Session 3C: 3rd Presentation
Advisor(s)
Lara Pilutti, University of Illinois at Urbana-Champaign
Abstract

Advanced MS patients experience severe ambulatory impairments and require specialized exercise equipment. One option is functional electrical stimulation (FES) cycling, which electrically stimulates leg muscles to elicit movement on the leg-ergometer.

Methods/Design: The randomized controlled trial recruited 11 people with severe MS (EDSS 6.0-6.5). Participants were randomized into either the FES cycling condition or the passive cycling condition in which electrical stimulation was not delivered, but the leg ergometer were controlled by a motor. The intervention was delivered 3 times/week for 12 weeks. Participants’ walking speed, endurance, and agility were assessed through mobility tests, and body composition was measured using dual-energy X-ray absorptiometry (DXA).

Results: Body composition remained stable over the 3-month period. The passive cycling group had a moderate increase in time taken to walk 25 feet and a moderate decrease in distance travelled during a 2-minute walk test. The passive cycling group had a moderate to large decrease in oxygen used during exercise (VO2), time to exhaustion, and work rate. The only significant difference for the FES group was a large increase in peak flexor strength. Small changes between baseline and final testing may be attributed to the small sample size (n=11) and short training period.
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  #48  
Old 10-15-2019, 12:25 PM
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Default FES vs AFO

The clinical- and cost-effectiveness of functional electrical stimulation and ankle-foot orthoses for foot drop in Multiple Sclerosis: a multicentre randomized trial

Linda (Miller) Renfrew, Lorna Paul, Angus McFadyen, ...
First Published April 11, 2019 Research Article
https://doi.org/10.1177/0269215519842254

Abstract

Objective:
To compare the clinical- and cost-effectiveness of ankle-foot orthoses (AFOs) and functional electrical stimulation (FES) over 12 months in people with Multiple Sclerosis with foot drop.

Design:
Multicentre, powered, non-blinded, randomized trial.

Setting:
Seven Multiple Sclerosis outpatient centres across Scotland.

Subjects:
Eighty-five treatment-naďve people with Multiple Sclerosis with persistent (>three months) foot drop.

Interventions:
Participants randomized to receive a custom-made, AFO (n = 43) or FES device (n = 42).

Outcome measures:
Assessed at 0, 3, 6 and 12 months; 5-minute self-selected walk test (primary), Timed 25 Foot Walk, oxygen cost of walking, Multiple Sclerosis Impact Scale-29, Multiple Sclerosis Walking Scale-12, Modified Fatigue Impact Scale, Euroqol five-dimension five-level questionnaire, Activities-specific Balance and Confidence Scale, Psychological Impact of Assistive Devices Score, and equipment and National Health Service staff time costs of interventions.

Results:
Groups were similar for age (AFO, 51.4 (11.2); FES, 50.4(10.4) years) and baseline walking speed (AFO, 0.62 (0.21); FES 0.73 (0.27) m/s). In all, 38% dropped out by 12 months (AFO, n = 21; FES, n = 11). Both groups walked faster at 12 months with device (P < 0.001; AFO, 0.73 (0.24); FES, 0.79 (0.24) m/s) but no difference between groups. Significantly higher Psychological Impact of Assistive Devices Scores were found for FES for Competence (P = 0.016; AFO, 0.85(1.05); FES, 1.53(1.05)), Adaptability (P = 0.001; AFO, 0.38(0.97); FES 1.53 (0.98)) and Self-Esteem (P = 0.006; AFO, 0.45 (0.67); FES 1 (0.68)). Effects were comparable for other measures. FES may offer value for money alternative to usual care.

Conclusion:
AFOs and FES have comparable effects on walking performance and patient-reported outcomes; however, high drop-outs introduces uncertainty.
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  #49  
Old 10-17-2019, 09:07 PM
Suebee Suebee is offline
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Dave great article! I'm glad scientists are studying this but I'm unsure why it isn't already part of mainstream protocol for MS patients. Stroke and accident victims get PT with it. Different Devices are currently available but being marketed to healthy (and wealthy) individuals mostly.

I reread my prior posts above and my views for it are the same but now years later sadly my hope and core strength are less. I have a lesion on my spine and Stimulating my core muscles from a device would be a huge help to me and improve my quality of life but any benefit could only be mantained with continued use of device and diligence.

Here is what I've been following---One can get full body FES work out in houston for 15 min for $70. But 2x a week in suggested. You wear a body suit with electrodes, not unlike the one dr whals patented, and an instructor tells you what exercises to do as they zap your muscles. Oh yeah. I think they douse you with water to improve conducticy, I'm guessing you need some trust here.
Link
Https://www.houstoniamag.com/article...itness-workout

The other device I followed was more designed for injuried athletes but the company has pivoted toward disabled or weak individuals. Neufit. one can buy it for $9k ??machine, and there is some info they might let you rent it somehow. Dr whals currently endorses it because they sponsored one of her conferences
https://terrywahls.com/learn-more-ab...l-stimulation/

The third thing that caught my eye was a comestic device used by kim Kardashian of all people! It is a fat sculpting device that simultaneously uses electric stimulation to build abdominal muscles. What was is so interesting about this device (other than melting fat ha ha) is that it is specifically designed to hit your 6 pack muscles and strengthen them. It is called emsculpt. It is cleared by Fda, and only requires four 30 minute sessions over 2 weeks to build significant adominal muscles. Cost is around $4k. ( And if your butt is flabby the ads say you can lift it up too as a bonus area.! ) Wow now why can't they use any of this technology in the neurology department rehab for mser???
https://www.health.com/weight-loss/emsculpt

Anyone out there used any of these devices to strengthen? Any other devices you've seen?
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  #50  
Old 11-03-2019, 06:42 PM
Suebee Suebee is offline
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Hey all, I got renewed focus on current FES studies after Dave’s post. I found an article that is information dense, which was published last year. https://doi.org/10.1177%2F1545968317753681

It has pictures of pad placement on the leg muscles and detailed description about pulses used. I can’t begin to paraphrase this esoteric data, But if you’re looking for real quantifiable FES values, you’ll find it here. Pulse width does Not Influence the Gains Achieved With Neuromuscular Electrical Stimulation in People With Multiple Sclerosis: Double-Blind, Randomized Trial. the study did not find what it expected with regard to pulse width benefits, but it did find:
“The 6-week intervention elicited clinically significant improvements in the primary outcomes and several secondary outcomes in individuals whose mobility was compromised by MS......Secondary outcomes suggest that the improvements in mobility likely involve increases in muscle strength and the control of muscle force for some of the involved muscles. These findings suggest that several weeks of NMES applied to the lower-leg muscles can improve walking performance and provide some symptom relief for persons with mild to moderate levels of disability caused by MS.”.

Yay! This is great finding that FES for only 6 wks helped people with mild/moderate MS disability — Surprise! It is beneficial to use before a MSer is paralyzed and provides similar benefit in ways it helps stroke victims.....however, the study explains why it is hard to design a study of this kind —-“A major limitation, however, is that the actual influence of NMES could not be evaluated, because of the absence of a control group that would have assessed a potential placebo effect. In addition, we were unable to assess the outcomes during the intervention and for a longer follow-up period”
This is referring to the muscle maintenance part that dr whals has discussed...an MSer needs to do more muscle stimulation just to maintain. So there you have it, a good explanation of how doctors observed how FES benefits MSers and also the concerns scientists have about demonstrating that FES benefits are long lasting. I see This as a significant issue —-Dr. Whals asserts that MSers need continued FES for muscle strength gained AND muscle maintenance. The question is then why muscle maintenance/ loss prevention for MSers can not be an objective of PT???
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