Key result
Ultrasound-guided subacromial plus acromioclavicular joint injection and suprascapular nerve block maintained significant pain reduction at 24 weeks compared to subacromial injection alone.
Why the study?
Acromioclavicular joint pathologies may be a common etiological factor with subacromial impingement syndrome and should be considered in treatment alongside standard subacromial injection or suprascapular nerve block.
Does combined subacromial and acromioclavicular joint injection or suprascapular nerve block improve pain and function compared to subacromial injection alone in patients with shoulder subacromial impingement syndrome?
RCT (n=90)
Single-blind
Random number table
No
Does combined subacromial and acromioclavicular joint injection or suprascapular nerve block improve pain and function compared to subacromial injection alone in patients with shoulder subacromial impingement syndrome?
In patients with subacromial impingement syndrome, suprascapular nerve block and combined subacromial/acromioclavicular joint injections provide better long-term pain and functional improvement at 24 weeks compared to subacromial injection alone.
Answers are grounded in this paper and cite their sources.
May support combined injections for sustained shoulder pain relief; hypothesis-generating pending randomized confirmation.
ABS TRACT Objective:The main interventional therapeutic techniques of subacromial impingement syndrome (SIS) are subacromial (SA) injection and suprascapular nerve block (SSNB).Also, acromioclavicular joint (ACJ) pathologies may be a common etiological factor with SIS and should be considered in treatment management.This study aimed to investigate the efficacy of SA injection, ACJ and SA injection (ACJ+SA), and SSNB in the treatment of SIS.Material and Methods: This prospective, randomized, controlled trial included 90 patients with chronic shoulder pain associated with SIS.The patients were divided into three groups: Group SA (n=30) receiving ultrasound (US)-guided SA injection, Group SA+ACJ (n=30) receiving US-guided SA+ACJ injection, and Group SSNB (n=30) receiving US-guided SSNB.Follow-up parameters were visual analogue scale (VAS), Shoulder Pain and Disability Index (SPADI), and Short Form-12 (SF-12) scores measured before treatment and at the posttreatment 2 nd week, 4 th , 12 th , and 24 th week.Results: In SA+ACJ and SSNB groups, VAS and SPADI scores were found to be statistically significantly lower than before treatment at all measurement times after treatment (p<0.001).The decrease in both measurement scores did not continue at the 24 th week follow-up of Group SA (p>0.05).The SF-12 scores of all three groups were significantly higher than the baseline at all measurement times (p<0.001).Conclusion: The findings of this study suggest that SA, SA+ACJ injection, and SSNB application have positive effects on pain, function, and quality of life in patients with SIS in the short term, while only SA+ACJ injection and SSNB maintain their effectiveness in long-term followups.
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Ökmen et al. (2024) conducted an RCT in Shoulder subacromial impingement syndrome (SIS) (n=90). Ultrasound-guided subacromial plus acromioclavicular joint injection or suprascapular nerve block vs. Ultrasound-guided subacromial injection alone was evaluated on Visual analogue scale (VAS) score at 24 weeks (p=<0.001). Ultrasound-guided subacromial plus acromioclavicular joint injection and suprascapular nerve block maintained significant pain reduction at 24 weeks compared to subacromial injection alone.
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