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Randomized Controlled Trial
. 2019 May 2:2019:8215371.
doi: 10.1155/2019/8215371. eCollection 2019.

Effects of a Newly Developed Therapeutic Deep Heating Device Using High Frequency in Patients with Shoulder Pain and Disability: A Pilot Study

Gi-Wook Kim  1   2   3 , Yu Hui Won  1   2 , Sung-Hee Park  1   2 , Jeong-Hwan Seo  1   2   3 , Dae-Hyun Kim  1   4 , Hyung Nam Lee  1   2 , Myoung-Hwan Ko  1   2   3
Affiliations
Randomized Controlled Trial

Effects of a Newly Developed Therapeutic Deep Heating Device Using High Frequency in Patients with Shoulder Pain and Disability: A Pilot Study

Gi-Wook Kim et al. Pain Res Manag. .

Abstract

Objectives: The newly developed therapeutic deep heating device can generate deep heat in focal tissue using high-frequency wave stimulation. The objective of this study was to evaluate and compare the effectiveness of this deep heating device (HIPER-500®) with ultrasound in alleviating pain and improving function in patients with shoulder disability.

Methods: This noninferiority trial was designed to compare the treatment effect of HIPER-500® to that of SonoStim® (ultrasound) on shoulder pain and disability. Thirty-eight patients with shoulder problems were assigned to either the HIPER-500® or SonoStim® group, and each participated in 10 min therapy sessions, five days a week for two weeks (for a total of ten sessions). Shoulder pain and disability were evaluated using the Visual Analogue Scale (VAS), the University of California at Los Angeles score (UCLA score), the Shoulder Pain and Disability Index (SPADI), and the Constant score in both groups before, immediately after, and four weeks after treatment. Statistical analysis was performed to compare the effects of treatment within and between the groups.

Results: A total of 34 patients completed the study. The 18 patients in the HIPER-500® group and 16 patients in the SonoStim® group all showed significant improvements in shoulder pain and function when comparing pretreatment values with the results immediately after treatment and four weeks later. The results before and after treatment did not show a statistically significant difference between the two groups.

Conclusions: The newly developed HIPER-500® for high-frequency deep heat therapy showed similar effects to those of SonoStim® for relieving pain and improving physical performance in the patients of this study. HIPER-500® may be a useful modality for treating shoulder pain and improving physical activity in patients with shoulder disease.

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Figures

Figure 1
Figure 1
HIPER-500®, a deep heat generator (JS-ON, Co., Ltd., Seoul, South Korea). Two ceramic transducers are connected to the main device (a). By touching the screen, the user can turn the power on and off and adjust treatment intensity and time (b). Three different intensities (high, mid, and low) can be chosen (left side of the screen).
Figure 2
Figure 2
HIPER-500® treatment: the therapist moves the small ceramic transducers over the painful area while holding the large insulated plate fixed to the body.
Figure 3
Figure 3
SonoStim®, a deep heat ultrasound device (Zimmer MedizinSysteme GmbH, Neu-Ulm, Germany).
Figure 4
Figure 4
Experimental design of prospective randomized controlled trial assessing the effectiveness of deep heat therapy (n=34 patients). V1, visit 1, pretreatment, within 28 days after screening the patients; V2, visit 2, posttreatment period within 2 days after completing all treatment sessions; V3, visit 3, posttreatment period in 28 ± 2 days after completing all treatment sessions.
Figure 5
Figure 5
Changes in outcome measures before and after treatment in both deep heat treatment groups (n=34). VAS, visual analogue scale; VAS-P1, VAS pain at the current moment (a); VAS-P2, VAS pain with shoulder movement (b); VAS-P3, VAS pain in the resting position of the shoulder (c); UCLA score, University of California at Los Angeles score (d); SPADI, Shoulder Pain and Disability Index (e); Constant score-total (f).
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