Dergiler / The European Research Journal / 2025 / Volume: 11 Issue: 6

Subacromial injection failure in shoulder impingement: is somatic amplification the missing link?

Ömer Faruk Bucak(Department of Physical Medicine and Rehabilitation, University of Health Sciences, Başakşehir Çam and Sakura City Hospital, İstanbul, Türkiye)0000-0003-3995-8120
Emine Cengiz Çavuşoğlu(Department of Psychiatry, University of Health Sciences, Başakşehir Çam and Sakura City Hospital, İstanbul, Türkiye)0000-0001-9333-6715
Adil Öncel(Department of Physical Therapy and Rehabilitation, Nişantaşı University Faculty of Medicine, BHT Clinic İstanbul Tema Hospital, İstanbul, Türkiye)0000-0002-9792-217X
Eser Kalaoğlu(Department of Physical Therapy and Rehabilitation, İstanbul Physical Therapy Rehabilitation Training and Research Hospital, İstanbul, Türkiye)0000-0001-8959-6522
Sayfa
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Yayın Tarihi
2025-11-04
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

These findings support the importance of including psychosomatic assessment in routine care to improve treatment outcomes and guide more personalized management.

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Amaç & Hipotez:Objectives: To investigate whether somatosensory amplification - a heightened sensitivity to normal bodily sensations - affects the clinical response to corticosteroid injection in shoulder impingement syndrome (SIS) patients who did not respond to conservative treatment.
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Temel Bulgular & Veri:Methods: This prospective observational study included 70 patients with SIS and persistent pain despite at least four weeks of physical therapy and non-steroidal anti-inflammatory drugs (NSAIDs).
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Sonuç & Katkı:These findings support the importance of including psychosomatic assessment in routine care to improve treatment outcomes and guide more personalized management.
🔬Tür:Uygulamalı Anket & Alan Araştırması
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Shoulder impingement · ultrasound · subacromial injection

Abstract

Objectives: To investigate whether somatosensory amplification - a heightened sensitivity to normal bodily sensations - affects the clinical response to corticosteroid injection in shoulder impingement syndrome (SIS) patients who did not respond to conservative treatment. Methods: This prospective observational study included 70 patients with SIS and persistent pain despite at least four weeks of physical therapy and non-steroidal anti-inflammatory drugs (NSAIDs). All patients received a standardized corticosteroid injection into the subacromial space under ultrasound guidance. Pain intensity was measured using the Visual Analog Scale (VAS) at rest (VAS-rest) and during movement (VAS-movement), while shoulder-related disability was assessed with the Shoulder Pain and Disability Index (SPADI) at baseline and one month after the injection. Somatosensory amplification - referring to increased sensitivity to normal bodily sensations—was evaluated using the Somatosensory Amplification Scale (SSAS), a brief self-report questionnaire administered at the one-month follow-up by a psychiatrist blinded to clinical outcomes. Treatment response was defined as a ≥30% reduction in VAS-movement, based on the minimal clinically important difference (MCID). Patients were categorized as responders or non-responders accordingly. Results: Thirty (42.9%) patients were classified as responders and 40 (57.1%) as non-responders. At 1-month, non-responders had significantly higher SSAS scores than responders (30.7 [27.4-32.6] vs. 21.5 [19.4-23.4], P<0.001). Compared to non-responders, the responder group demonstrated more significant improvements in VAS-rest, VAS-movement, and SPADI scores (P<0.001 for all). Spearman correlation analysis revealed strong positive correlations between SAS and VAS-rest (r=0.732), VAS-movement (r=0.748), and SPADI (r=0.734); P<0.001 for all. Conclusions: Higher levels of somatosensory amplification were linked to a lower likelihood of benefiting from subacromial injection in SIS. These findings support the importance of including psychosomatic assessment in routine care to improve treatment outcomes and guide more personalized management.

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Bu Makaleye Atıf Yap

Bucak, Ö. F., Çavuşoğlu, E. C., Öncel, A., Kalaoğlu, E. (2025). Subacromial injection failure in shoulder impingement: is somatic amplification the missing link?. The European Research Journal, Volume: 11 Issue: 6. https://doi.org/10.18621/eurj.1668332

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