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Effectiveness of Shortwave Diathermy for Subacromial Impingement Syndrome and Value of Night Pain for Patient Selection: A Double-Blinded, Randomized, Placebo-Controlled Trial

Yilmaz Kaysin, Meryem MD; Akpinar, Pinar MD; Aktas, Ilknur MD; Unlü Ozkan, Feyza MD; Silte Karamanlioglu, Duygu MD; Cagliyan Hartevioglu, Hulya PT; Vural, Nazan PT

American Journal of Physical Medicine & Rehabilitation: September 6, 2017 - Volume Publish Ahead of Print - Issue - p
doi: 10.1097/PHM.0000000000000819
Original Research Article: PDF Only

Objective The aim of this study was to investigate the effectiveness of short wave diathermy (SWD) in patients with subacromial impingement syndrome.

Design In this double-blinded, randomized, placebo-controlled trial, 57 patients (aged 35–65 yrs) were classified into night pain positive (NP[+]) (n = 28) and night pain negative (NP[−]) (n = 29) groups. Both groups were randomly assigned to SWD (NP[+], n = 14; NP[−], n = 14) and sham (NP[+], n = 15; NP[−], n = 14) subgroups. Visual analog scale, Constant-Murley Scale (CS), and Shoulder Disability Questionnaire (SDQ) scores were used for evaluation.

Results There was only a significant difference in pain with activity at 1-mo (mean difference [MD], −1.65; 95% confidence interval, −3.01 to −0.28]) and 2-mo evaluations (MD, −2.1; 95% confidence interval, −3.51 to −0.69) between SWD versus sham groups. In the NP(+) SWD group, the CS pain score was significantly higher than in the NP(+) sham group at all evaluations after treatment. At 1 mo, the NP(−) SWD group showed significantly better pain, strength, total CS, and SDQ scores than the NP(−) sham group. At 2 mos, the pain, range of motion, strength, and total CS and SDQ scores were better in the NP(−) SWD group than in the NP(−) sham group (P < 0.05).

Conclusions Short wave diathermy is more effective in subacromial impingement syndrome without NP.

From the Department of Physical Medicine and Rehabilitation, University of Health Sciences, Fatih Sultan Mehmet Education and Training Hospital, Istanbul, Turkey.

All correspondence and requests for reprints should be addressed to: Meryem Yilmaz Kaysin, MD, Department of Physical Medicine and Rehabilitation, University of Health Sciences, Fatih Sultan Mehmet Training and Research Hospital, Istanbul/Sağlik bilimleri Üniversitesi, Fatih Sultan Mehmet Egitim ve Arastirma Hastanesi, Fiziksel Tip ve Rehabilitasyon Klinigi H blok, Atasehir, Istanbul, Turkiye.

Informed consent was obtained from the participants, and all procedures were conducted in accordance with the Helsinki Declaration of 1975 and approved by the local institutional clinical research ethical committee (Fatih Sultan Mehmet Training and Research Hospital).

There is no financial benefit to the authors. This manuscript was not presented previously.

Financial disclosure statements have been obtained, and no conflicts of interest have been reported by the authors or by any individuals in control of the content of this article.

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