Blind or ultrasound-guided corticosteroid injections and short-term response in subacromial impingement syndrome: a randomized, double-blind, prospective study

The aim of this study was to compare the accuracy of blind vs. ultrasonography-guided corticosteroid injections in subacromial impingement syndrome and determine the correlation between accuracy of the injection location and clinical outcome. Forty-six patients with subacromial impingement syndrome...

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Bibliographic Details
Published in:	American journal of physical medicine & rehabilitation Vol. 91; no. 8; pp. 658 - 665
Main Authors:	Dogu, Beril, Yucel, Serap Dalgic, Sag, Sinem Yamac, Bankaoglu, Mujdat, Kuran, Banu
Format:	Journal Article
Language:	English
Published:	United States 01-08-2012
Subjects:	Activities of Daily Living Anesthetics, Local - administration & dosage Anti-Inflammatory Agents - administration & dosage Betamethasone - administration & dosage Betamethasone - analogs & derivatives Contrast Media Double-Blind Method Female Gadolinium DTPA Humans Injections, Intra-Articular - methods Magnetic Resonance Imaging Male Middle Aged Pain Measurement Prilocaine - administration & dosage Prospective Studies Range of Motion, Articular Recovery of Function Shoulder Impingement Syndrome - complications Shoulder Impingement Syndrome - drug therapy Shoulder Joint - diagnostic imaging Shoulder Joint - pathology Shoulder Pain - drug therapy Shoulder Pain - etiology Ultrasonography, Interventional
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Summary:	The aim of this study was to compare the accuracy of blind vs. ultrasonography-guided corticosteroid injections in subacromial impingement syndrome and determine the correlation between accuracy of the injection location and clinical outcome. Forty-six patients with subacromial impingement syndrome were randomized for ultrasonography-guided (group 1, n = 23) and blind corticosteroid injections (group 2, n = 23). Magnetic resonance imaging analysis was performed immediately after the injection. Changes in shoulder range of motion, pain, and shoulder function were recorded. All patients were assessed before the injection and 6 wks after the injection. Accurate injections were performed in 15 (65%) group 1 patients and in 16 (70%) group 2 patients. There was no statistically significant difference in the injection location accuracy between the two groups (P > 0.05). At the end of the sixth week, regardless of whether the injected mixture was found in the subacromial region or not, all of the patients showed improvements in all of the parameters evaluated (P < 0.05). Blind injections performed in the subacromial region by experienced individuals were reliably accurate and could therefore be given in daily routines. Corticosteroid injections in the subacromial region were very effective in improving the pain and functional status of patients with subacromial impingement syndrome during the short-term follow-up.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-News-1 ObjectType-Feature-3 content type line 23
ISSN:	0894-9115 1537-7385
DOI:	10.1097/PHM.0b013e318255978a