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Vol 6, No 1 (2007)
Original articles
Published online: 2007-02-22
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Analgesic efficacy of APS (Action Potential Simulation). Pilot study of the patients with chronic pain due to musculoskeletal disorders

Anna Pyszora, Małgorzata Krajnik, Anna Adamczyk, Michał Graczyk, Jacek Budzyński, Zbigniew Zylicz, Małgorzata Łukowicz
Advances in Palliative Medicine 2007;6(1):13-16.

open access

Vol 6, No 1 (2007)
Original articles
Published online: 2007-02-22

Abstract

Background and aims. Pain in musculoskeletal disorders is common medical problem, however frequently difficult to treat. That is why different methods of physical therapies have been tried with the controversial results. APS-therapy (Action Potential Simulation) falls under the broad definition of MET (Microcurrent Electrical Stimulation). MET may be a useful treatment for many pain-related disorders, providing fast relief of symptoms. The aim of this pilot clinical study was to investigate the analgesic efficacy of APS-therapy in chronic pain due to musculoskeletal disorders.
Methods. The study involved 12 patients with musculoskeletal disorders who suffered from chronic pain. Each patient received treatment for 3 weeks' time. APS-therapy was administered for a period of 16 minutes, 5 times a week. Treatment was given by portable unit, that generated an APS waveform (monophasic, pulse width 800 ms, frequency 150 Hz and intensity 0.5-1.5 mA). NRS (Numerical Rating Scale) evaluation was performed for 3 days of pre-treatment period, before each treatment which reflected the pain situation of the previous 24 h, and once daily for 2 weeks after treatment.
Results. The initial mean NRS in pre-treatment period was 5.53 (SD = 1.94), decreased after APS-therapy to 3.45 (SD = 1.4) (p = 0.002) and even more to 2.56 (SD = 1.23) in the post-treatment period (p = 0.0003). Mean pain intensity decreased significantly after 11 sessions and remained on the same level up to 2 weeks of post-treatment observation.
Conclusion. APS-therapy may be an effective method of nonpharmacological treatment of chronic pain in muscoskeletal disorders.

Abstract

Background and aims. Pain in musculoskeletal disorders is common medical problem, however frequently difficult to treat. That is why different methods of physical therapies have been tried with the controversial results. APS-therapy (Action Potential Simulation) falls under the broad definition of MET (Microcurrent Electrical Stimulation). MET may be a useful treatment for many pain-related disorders, providing fast relief of symptoms. The aim of this pilot clinical study was to investigate the analgesic efficacy of APS-therapy in chronic pain due to musculoskeletal disorders.
Methods. The study involved 12 patients with musculoskeletal disorders who suffered from chronic pain. Each patient received treatment for 3 weeks' time. APS-therapy was administered for a period of 16 minutes, 5 times a week. Treatment was given by portable unit, that generated an APS waveform (monophasic, pulse width 800 ms, frequency 150 Hz and intensity 0.5-1.5 mA). NRS (Numerical Rating Scale) evaluation was performed for 3 days of pre-treatment period, before each treatment which reflected the pain situation of the previous 24 h, and once daily for 2 weeks after treatment.
Results. The initial mean NRS in pre-treatment period was 5.53 (SD = 1.94), decreased after APS-therapy to 3.45 (SD = 1.4) (p = 0.002) and even more to 2.56 (SD = 1.23) in the post-treatment period (p = 0.0003). Mean pain intensity decreased significantly after 11 sessions and remained on the same level up to 2 weeks of post-treatment observation.
Conclusion. APS-therapy may be an effective method of nonpharmacological treatment of chronic pain in muscoskeletal disorders.
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Keywords

APS-therapy; musculoskeletal disorder; chronic pain

About this article
Title

Analgesic efficacy of APS (Action Potential Simulation). Pilot study of the patients with chronic pain due to musculoskeletal disorders

Journal

Advances in Palliative Medicine

Issue

Vol 6, No 1 (2007)

Pages

13-16

Published online

2007-02-22

Bibliographic record

Advances in Palliative Medicine 2007;6(1):13-16.

Keywords

APS-therapy
musculoskeletal disorder
chronic pain

Authors

Anna Pyszora
Małgorzata Krajnik
Anna Adamczyk
Michał Graczyk
Jacek Budzyński
Zbigniew Zylicz
Małgorzata Łukowicz

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