Scrambler therapy: Difference between revisions
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{{short description|Type of pain relief therapy}} |
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{{Infobox medical intervention |
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| name = Scrambler therapy |
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| synonym = Calmare scrambler therapy, Calmare therapy |
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| ⚫ | '''Scrambler therapy''' involves the use of electronic stimulation on the skin with the goal of overwhelming pain information with non-pain information.<ref>{{cite journal |vauthors=Katholi BR, Daghstani SS, Banez GA, Brady KK |title=Noninvasive treatments for pediatric complex regional pain syndrome: a focused review |journal=PM&R |volume=6 |issue=10 |pages=926–33 |year=2014 |pmid=24780851 |doi=10.1016/j.pmrj.2014.04.007 |doi-access=free }}</ref> In a therapy session, "electrocardiographic-like pads are placed around the area of pain".<ref name="medscape">{{cite web | url=http://www.medscape.com/viewarticle/857038 | title=Scrambler Therapy Benefit in Cancer-Related Neuropathic Pain | publisher=Medscape (WebMD LLC) | date=11 Jan 2016 | access-date=24 January 2016 | author=Harrison, Pam}}</ref> |
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| ⚫ | Limited research has been done on the effectiveness of scrambler theory.<ref name=Pach2014/> There is no strong evidence that it is effective in treating [[neuropathic pain]],<ref name="rivera2015">{{cite journal | author = Rivera, E., & Cianfrocca, M. | year = 2015 | title = Overview of neuropathy associated with taxanes for the treatment of metastatic breast cancer | journal = Cancer Chemotherapy and Pharmacology | volume = 75 | issue = 4 | pages = 659–670|pmid=25596818|pmc=4365177 | doi=10.1007/s00280-014-2607-5}}</ref> although there is tentative evidence that it may be effective for [[chemotherapy-induced peripheral neuropathy]].<ref name=Pach2014>{{cite journal|last1=Pachman|first1=DR|last2=Watson|first2=JC|last3=Loprinzi|first3=CL|title=Therapeutic strategies for cancer treatment related peripheral neuropathies.|journal=Current Treatment Options in Oncology|date=December 2014|volume=15|issue=4|pages=567–80|doi=10.1007/s11864-014-0303-7|pmid=25119581|s2cid=22944576}}</ref> There is preliminary evidence that is effective for [[chronic pain]].<ref>{{cite journal|last1=Majithia|first1=N|last2=Smith|first2=TJ|last3=Coyne|first3=PJ|last4=Abdi|first4=S|last5=Pachman|first5=DR|last6=Lachance|first6=D|last7=Shelerud|first7=R|last8=Cheville|first8=A|last9=Basford|first9=JR|last10=Farley|first10=D|last11=O'Neill|first11=C|last12=Ruddy|first12=KJ|last13=Sparadeo|first13=F|last14=Beutler|first14=A|last15=Loprinzi|first15=CL|title=Scrambler Therapy for the management of chronic pain.|journal=Supportive Care in Cancer|date=June 2016|volume=24|issue=6|pages=2807–14|doi=10.1007/s00520-016-3177-3|pmid=27041741|pmc=4973603}}</ref> |
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| ⚫ | '''Scrambler therapy''' |
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==Medical Uses== |
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| ⚫ | The technique was invented by Giuseppe Marineo at the [[University of Rome Tor Vergata]].<ref name="inventor">{{cite news | author = Anson, Pat | date = 9 April 2014 | title = Inventor of Calmare Scrambler Tries to Block Sales | work = National Pain Report | url = http://nationalpainreport.com/inventor-calmare-scrambler-tries-block-sales-8823560.html}}</ref> Marineo co-authored and published a research paper |
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Scrambler therapy has been used in several types of chronic pain, including neuropathic pain, [[cancer pain]] and opioid-refractory pain.<ref name="Smith 2023" /> Scrambler therapy involves 16 types of waveforms, each varying slightly in their morphology. The waveforms are combined to create a variety of sequences of electrical stimulation, with the pattern of sequences (the electrical signal) being varied during the treatment session based on an algorithm in the scrambler machine.<ref name="Smith 2023" /> The electrical stimulation is applied to the skin via pairs of electrodes (up to 5 pairs of electrodes may be used), which are applied in the painful [[dermatome (anatomy)|dermatomes]] proximally and distally (or only proximally if the former is not feasible) to the painful area.<ref name="Smith 2023" /> The intensity of signal is increased in five to ten minute intervals until the patient feels a relief of pain or until the scrambler signal intensity begins to cause pain. This intensity of electrical stimulation is then continued.<ref name="Smith 2023" /> Each treatment session lasts for about 30-40 minutes, and may be repeated on other days during the treatment cycle.<ref name="Smith 2023" /> |
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The electrical signals in scrambler therapy are thought to stimulate [[Group C nerve fiber|C-fibers]] of the affected dermatomes. These nerve fibers then transmit the electrical signal to the brain (via the spinal cord) and lead to changes in pain perception in the central nervous system.<ref name="Smith 2023" /> These changes include decreased central nervous system hyper-responsiveness to the pain signal and a decrease in continuous pain signal input.<ref name="Smith 2023" /> The decrease in continuous pain input is thought to be due to the pain signal travelling from the affected area being "scrambled" or diluted by many other scrambler signals also travelling to the brain from the affected area.<ref name="Smith 2023" /> Scrambler therapy has also been shown to decrease certain pro-inflammatory, pro-nociceptive peptides such as [[nerve growth factor]], and this effect is thought to lead to a sustained analgesic effect after the treatment session.<ref name="Smith 2023" /> |
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| ⚫ | |||
Unlike [[transcutaneous electrical nerve stimulation]] (TENS), another form of transcutaneous electrical stimulation for pain relief, in which the analgesic benefit has only been seen during and sometimes in the immediate hours after treatment, treatment with scrambler therapy has been shown to produce long lasting pain relief.<ref name="Smith 2023" /> Pain relief with scrambler therapy is often sustained for weeks, months or even years after the treatment sessions are completed.<ref name="Smith 2023" /> |
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==Contraindications== |
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Scrambler therapy should not be used in those with [[pacemaker|implanted pacemakers]], [[implantable cardioverter-defibrillator|implantable defibrillators]], [[spinal cord stimulator]]s or peripheral nerve stimulators, nor in those with uncontrolled [[epilepsy]].<ref name="Smith 2023" /> |
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==Side effects== |
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Dermatologic adverse effects at the site of electrode placement are rare, including [[dermatitis]] and [[eccymosis]]. Systemic adverse effects have not been reported.<ref name="Smith 2023" /> |
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==Research== |
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There is limited evidence that scrambler therapy may be effective for short-term relief of pain.<ref name="Jin 2022">{{cite journal |last1=Jin |first1=Y |last2=Kim |first2=D |last3=Hur |first3=J |last4=Myung |first4=SK |title=Efficacy of Scrambler Therapy for Management of Chronic Pain: A Meta-Analysis of Randomized Controlled Trials. |journal=Pain Physician |date=October 2022 |volume=25 |issue=7 |pages=E931–E939 |pmid=36288579}}</ref> |
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==History== |
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| ⚫ | The technique was invented by Giuseppe Marineo at the [[University of Rome Tor Vergata]].<ref name="inventor">{{cite news | author = Anson, Pat | date = 9 April 2014 | title = Inventor of Calmare Scrambler Tries to Block Sales | work = National Pain Report | url = http://nationalpainreport.com/inventor-calmare-scrambler-tries-block-sales-8823560.html}}</ref> Marineo co-authored and published a research paper on the topic in 2000.<ref>{{cite journal|author=Serafini, G., Marineo, G. and Sabato, A.F.|year=2000|title='Scrambler therapy': a new option in neuropathic pain treatment?|journal=The Pain Clinic|volume=12|issue=4|pages=287–298|doi=10.1163/156856900750233785}}</ref> Scrambler therapy was FDA approved in 2009 for the treatment of chronic or neuropathic pain in professionally supervised treatment sessions in a medical setting.<ref name="Smith 2023">{{cite journal |last1=Smith |first1=Thomas J. |last2=Wang |first2=Eric J. |last3=Loprinzi |first3=Charles L. |title=Cutaneous Electroanalgesia for Relief of Chronic and Neuropathic Pain |journal=New England Journal of Medicine |date=13 July 2023 |volume=389 |issue=2 |pages=158–164 |doi=10.1056/NEJMra2110098|pmid=37437145 |s2cid=259843656 }}</ref> |
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==See also== |
==See also== |
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* [[Bio-electric stimulation therapy]] |
* [[Bio-electric stimulation therapy]] |
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* [[Electrical muscle stimulation]] |
* [[Electrical muscle stimulation]] |
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* [[Electroacupuncture|Electroacupuncture/percutaneous electrical nerve stimulation]] |
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* [[MENS]] |
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* [[Percutaneous tibial nerve stimulation]] |
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* [[Peripheral neuropathy]] |
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==References== |
==References== |
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[[Category:Neurotechnology]] |
[[Category:Neurotechnology]] |
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[[Category:Electrotherapy]] |
[[Category:Electrotherapy]] |
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{{treatment-stub}} |
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Latest revision as of 15:08, 24 July 2024
| Scrambler therapy | |
|---|---|
| Other names | Calmare scrambler therapy, Calmare therapy |
Scrambler therapy involves the use of electronic stimulation on the skin with the goal of overwhelming pain information with non-pain information.[1] In a therapy session, "electrocardiographic-like pads are placed around the area of pain".[2]
Limited research has been done on the effectiveness of scrambler theory.[3] There is no strong evidence that it is effective in treating neuropathic pain,[4] although there is tentative evidence that it may be effective for chemotherapy-induced peripheral neuropathy.[3] There is preliminary evidence that is effective for chronic pain.[5]
Medical Uses
[edit]Scrambler therapy has been used in several types of chronic pain, including neuropathic pain, cancer pain and opioid-refractory pain.[6] Scrambler therapy involves 16 types of waveforms, each varying slightly in their morphology. The waveforms are combined to create a variety of sequences of electrical stimulation, with the pattern of sequences (the electrical signal) being varied during the treatment session based on an algorithm in the scrambler machine.[6] The electrical stimulation is applied to the skin via pairs of electrodes (up to 5 pairs of electrodes may be used), which are applied in the painful dermatomes proximally and distally (or only proximally if the former is not feasible) to the painful area.[6] The intensity of signal is increased in five to ten minute intervals until the patient feels a relief of pain or until the scrambler signal intensity begins to cause pain. This intensity of electrical stimulation is then continued.[6] Each treatment session lasts for about 30-40 minutes, and may be repeated on other days during the treatment cycle.[6]
The electrical signals in scrambler therapy are thought to stimulate C-fibers of the affected dermatomes. These nerve fibers then transmit the electrical signal to the brain (via the spinal cord) and lead to changes in pain perception in the central nervous system.[6] These changes include decreased central nervous system hyper-responsiveness to the pain signal and a decrease in continuous pain signal input.[6] The decrease in continuous pain input is thought to be due to the pain signal travelling from the affected area being "scrambled" or diluted by many other scrambler signals also travelling to the brain from the affected area.[6] Scrambler therapy has also been shown to decrease certain pro-inflammatory, pro-nociceptive peptides such as nerve growth factor, and this effect is thought to lead to a sustained analgesic effect after the treatment session.[6]
Unlike transcutaneous electrical nerve stimulation (TENS), another form of transcutaneous electrical stimulation for pain relief, in which the analgesic benefit has only been seen during and sometimes in the immediate hours after treatment, treatment with scrambler therapy has been shown to produce long lasting pain relief.[6] Pain relief with scrambler therapy is often sustained for weeks, months or even years after the treatment sessions are completed.[6]
Contraindications
[edit]Scrambler therapy should not be used in those with implanted pacemakers, implantable defibrillators, spinal cord stimulators or peripheral nerve stimulators, nor in those with uncontrolled epilepsy.[6]
Side effects
[edit]Dermatologic adverse effects at the site of electrode placement are rare, including dermatitis and eccymosis. Systemic adverse effects have not been reported.[6]
Research
[edit]There is limited evidence that scrambler therapy may be effective for short-term relief of pain.[7]
History
[edit]The technique was invented by Giuseppe Marineo at the University of Rome Tor Vergata.[8] Marineo co-authored and published a research paper on the topic in 2000.[9] Scrambler therapy was FDA approved in 2009 for the treatment of chronic or neuropathic pain in professionally supervised treatment sessions in a medical setting.[6]
See also
[edit]References
[edit]- ^ Katholi BR, Daghstani SS, Banez GA, Brady KK (2014). "Noninvasive treatments for pediatric complex regional pain syndrome: a focused review". PM&R. 6 (10): 926–33. doi:10.1016/j.pmrj.2014.04.007. PMID 24780851.
- ^ Harrison, Pam (11 Jan 2016). "Scrambler Therapy Benefit in Cancer-Related Neuropathic Pain". Medscape (WebMD LLC). Retrieved 24 January 2016.
- ^ a b Pachman, DR; Watson, JC; Loprinzi, CL (December 2014). "Therapeutic strategies for cancer treatment related peripheral neuropathies". Current Treatment Options in Oncology. 15 (4): 567–80. doi:10.1007/s11864-014-0303-7. PMID 25119581. S2CID 22944576.
- ^ Rivera, E., & Cianfrocca, M. (2015). "Overview of neuropathy associated with taxanes for the treatment of metastatic breast cancer". Cancer Chemotherapy and Pharmacology. 75 (4): 659–670. doi:10.1007/s00280-014-2607-5. PMC 4365177. PMID 25596818.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Majithia, N; Smith, TJ; Coyne, PJ; Abdi, S; Pachman, DR; Lachance, D; Shelerud, R; Cheville, A; Basford, JR; Farley, D; O'Neill, C; Ruddy, KJ; Sparadeo, F; Beutler, A; Loprinzi, CL (June 2016). "Scrambler Therapy for the management of chronic pain". Supportive Care in Cancer. 24 (6): 2807–14. doi:10.1007/s00520-016-3177-3. PMC 4973603. PMID 27041741.
- ^ a b c d e f g h i j k l m n Smith, Thomas J.; Wang, Eric J.; Loprinzi, Charles L. (13 July 2023). "Cutaneous Electroanalgesia for Relief of Chronic and Neuropathic Pain". New England Journal of Medicine. 389 (2): 158–164. doi:10.1056/NEJMra2110098. PMID 37437145. S2CID 259843656.
- ^ Jin, Y; Kim, D; Hur, J; Myung, SK (October 2022). "Efficacy of Scrambler Therapy for Management of Chronic Pain: A Meta-Analysis of Randomized Controlled Trials". Pain Physician. 25 (7): E931–E939. PMID 36288579.
- ^ Anson, Pat (9 April 2014). "Inventor of Calmare Scrambler Tries to Block Sales". National Pain Report.
- ^ Serafini, G., Marineo, G. and Sabato, A.F. (2000). "'Scrambler therapy': a new option in neuropathic pain treatment?". The Pain Clinic. 12 (4): 287–298. doi:10.1163/156856900750233785.
{{cite journal}}: CS1 maint: multiple names: authors list (link)