• María Araceli Soler-Pérez, Maria Del Carmen Serrano-Córcoles, Manuel Ferrer-Márquez, María Del Mar López-González, Miguel Ángel Pérez-Sáez, and Juan Manuel García-Torrecillas.
• Medicina Familiar y Comunitaria, Distrito Sanitario Atención Primaria Almería, Grupo de Trabajo de Aparato Locomotor de la SAMFYC, UGC Nijar, Centro de salud Campohermoso, Níjar, Almería, España. Electronic address: mariaaracelisolerperez@gmail.com.
• Aten Primaria. 2021 Aug 1; 53 (7): 102051102051.

Main ObjectiveTo evaluate the clinical response at 24weeks after injection, measured as pain relief and functional recovery, in painful shoulder syndrome (PSS) in primary care (PC).DesignLongitudinal case series with injection treatment in the scapulohumeral joint, describing functionality and pain evolution before and at 24weeks post injection.LocationNon-urban primary care centres.ParticipantsPatients with osteoarticular shoulder pathology susceptible to injection, failure of pharmacological treatment and rating on the visual analogue scale (VAS) ≥4 or constant score (CS) ≤70.InterventionsIntra-articular injection of corticosteroid and local anaesthetic into the scapulohumeral joint, describing its evolution at 1, 4, 12 and 24weeks post injection.Main MeasurementsInfiltration response according to EVA before and after, CS before and after, number of infiltrations, side effects, temporary inability to work (TIL).ResultsSixty-six patients receiving injection, mean age 51.1years (SD 14.7), 57.6% were women and 63.3% were injection in the right shoulder. A 22.7% required TIL and were discharged with a median of 14days (range 7-56days). They required an injection (80.3%) and the most frequent injection pathology was rotator cuff tendinitis (90.9%). They suffered mild side effects (9.4%). We found a decrease in pain from severe to mild and a functional improvement from poor to good. The variables: being retired (OR: 37.82, P=.001) and having an EVA score prior to injection >8 (OR: 15.67, P=.055, almost significant) were associated with poor response.ConclusionsIntra-articular administration of corticosteroids in PSS reduces pain and provides functional improvement after the first week after injection, and is maintained in the long term. This allows a quick recovery to work after an injection at two weeks reducing recovery time by 50%, with few side effects.Copyright © 2021 The Authors. Publicado por Elsevier España, S.L.U. All rights reserved.

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