Accuracy of subacromial injections.

Clin J Sport Med

University of Calgary, Calgary, Alberta, Canada.

Published: May 2007

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http://dx.doi.org/10.1097/01.jsm.0000277804.70204.5eDOI Listing

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Introduction: Shoulder pain represents a common patient complaint evaluated in a primary care setting. Approximately two thirds of these patients have rotator cuff injuries, with rotator cuff tears (RCTs) and subacromial impingement syndrome (SIS) accounting for a majority of causes. An accurate and efficient diagnostic strategy focused on physical examination findings may lead to improved outcomes and less functional disability.

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Background: There are only a few isolated studies that have examined ultrasound-guided magnetic resonance arthrography (USMRA) of the glenohumeral joint and subacromial bursa with the use of gadolinium contrast agent. This study aimed to determine the clinical value of USMRA in the diagnosis of supraspinatus tendon tears and its subtypes.

Methods: Musculoskeletal ultrasound (MSKUS) was performed in 207 patients with shoulder pain as confirmed by arthroscopic examination, 103 of whom underwent shoulder joint magnetic resonance imaging (MRI), and 104 of whom underwent USMRA.

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Objectives: Reverse total shoulder arthroplasty (rTSA) has shown success in the treatment of end-stage glenohumeral pathology. However, one major shortcoming has been the lack of internal rotation (IR), which can have significant functional consequences. Much research has been conducted to maximize IR after rTSA, but the literature is unclear which measurement of IR represents the "gold standard" between vertebral level and goniometer-based measurements.

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Article Synopsis
  • Musculoskeletal (MSK) issues are commonly seen by primary care doctors, but many lack proper training in MSK procedures, particularly in diagnostic and therapeutic injections which can be challenging.
  • A study involving 24 Internal Medicine and Family Medicine residents tested the effectiveness of hands-on practice with cadavers versus visual instruction for performing subacromial injections, assessing both technique and accuracy.
  • Results showed that while the practice group had significantly more accurate injections within the correct anatomical space, both groups had similar technique ratings, and the intervention group reported higher self-confidence in their abilities.
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Evaluation of Conventional MR Imaging of the Shoulder in the Diagnosis of Lesions of the Biceps Pulley.

Acad Radiol

August 2024

Department of Radiology, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich, Ismaninger Strasse 22, 81675 Munich, Germany; Musculoskeletal Radiology Section, Klinikum Rechts der Isar, School of Medicine, Technical University of Munich, Ismaninger Strasse 22, 81675 Munich, Germany.

Article Synopsis
  • The study aimed to evaluate the effectiveness and consistency of conventional MRI in diagnosing biceps pulley lesions, using arthroscopy for comparison.* -
  • Analyzing MRI results from 68 patients, the researchers found that MRI had high sensitivity (around 95%) and moderate specificity (about 61-80%) for identifying pulley lesions, with good agreement among radiologists.* -
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