Kurz et al. 2022
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Kurz P, Danner G, Lembelembe JP, Nair HKR, Martin R. Activation of healing and reduction of pain by single-use automated microcurrent electrical stimulation therapy in patients with hard-to-heal wounds. Int Wound J. 2023Aug;20(6):2053-2061.
Design: Observational Study Subjects: Forty wounds (39 patients: 18 female - 21 male), mean age 68.9 years comprised of: 7 post-surgical, 3 trauma, 12 diabetic foot (DFU), 10 venous, 4 pressure injuries, 4 mixed venous or arterial ulcers. Methods: All participants received automated microcurrent EST for 12 days. The current was low voltage biphasic and monophasic pulsed current (LVBMPC); 50- 500µA for the biphasic components and 40µA for the monophasic component. The LVBMPC program, which lasts for approximately 30 min, is automatically applied every 2 hours in the first 24h and every 4h during the next 24h. Patients received 12 days therapy. Outcomes included: Clinical responses scored on a 0-5 scale (5-excellent-0-no response). Pain assessed at 48 h, 7 days, and 14 days on a 0-10 visual analogue scale (VAS). Results: • Overall, 78% of wounds showed a marked positive clinical response: scores of 5 (excellent) and 4 (good). • 68 % of wounds were painful with a mean VAS score of 5.5. • Almost every patient (96%) with pain experienced reduction within 48 h. • All patients with painful wounds experienced pain reduction after 7 days: 2.50 VAS (45% reduction) and further pain reduction after 14 days: 1.83 VAS (33%).
Key message: Low voltage microcurrent therapy produced very positive clinical response and rapid pain reduction; it offers patients with a wide range of hard-to-heal wounds (including Diabetic foot ulcers) to benefit from activation of healing and rapid reduction of pain.
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