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  • Ultrasound-guided injections of hyperosmolar dextrose for overuse patellar tendinopathy: a pilot study

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    Author(s)
    Ryan, Micheal
    Wong, Anthony
    Rabago, David
    Lee, Kenneth
    Taunton, Jack
    Griffith University Author(s)
    Ryan, Michael
    Year published
    2011
    Metadata
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    Abstract
    Purpose To evaluate whether ultrasound-guided injection of hyperosmolar dextrose for treatment of patellar tendinopathy decreases pain scores and normalises the appearance of the patellar tendon on ultrasound. Methods Subjects were referred from primary care clinics and failed conservative treatment. Subjects received a diagnostic ultrasound examination, then ultrasound-guided injection of 25% dextrose with lidocaine into the area of tendinopathy until they were satisfied with treatment. The primary outcome measure was a three-part visual analogue scale (VAS; baseline and mean of 45 weeks after start of treatment) for ...
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    Purpose To evaluate whether ultrasound-guided injection of hyperosmolar dextrose for treatment of patellar tendinopathy decreases pain scores and normalises the appearance of the patellar tendon on ultrasound. Methods Subjects were referred from primary care clinics and failed conservative treatment. Subjects received a diagnostic ultrasound examination, then ultrasound-guided injection of 25% dextrose with lidocaine into the area of tendinopathy until they were satisfied with treatment. The primary outcome measure was a three-part visual analogue scale (VAS; baseline and mean of 45 weeks after start of treatment) for pain at rest, activities of daily living (ADL) and during sport. Secondary outcomes included segmental ultrasound examinations assessing tendon hypoechogenicity (area and severity score), neovascularity (severity score) and the presence or absence of intratendinous tearing and calcification, irregularities of cortical bone and thickness. Results 47 consecutive referrals were included. Subjects received a mean of four (ᳩ injection sessions. At mean 45 weeks post-enrollment, subjects reported a reduction in pain across the three VAS items (rest 38.4Ჵ-18.7ᱸ.4; ADL 51.1Ჲ.9-25.8Ჰ.1; sport 78.1ᱵ.7-38.8Ჶ.1; p<0.01). There was improvement in neovascularity following the dextrose injection. A significant correlation between hypoechogenicity severity scores and pain at follow-up is reported. Conclusion There was a reduction in pain and an improvement in ultrasound appearance following ultrasound-guided dextrose injections for refractory patellar tendinopathy. An improved hypoechoic appearance of the tendon was associated with decreased pain scores, suggesting that dextrose injections may modify patellar tendinopathy at the tissue level and that fibrillar changes may play a role in tendon nociception.
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    Journal Title
    British Journal of Sports Medicine
    Volume
    45
    Issue
    12
    DOI
    https://doi.org/10.1136/bjsm.2010.081455
    Copyright Statement
    © The Author(s) 2011. The attached file is reproduced here in accordance with the copyright policy of the publisher. For information about this journal please refer to the journal’s website or contact the authors.
    Subject
    Radiology and Organ Imaging
    Sports Medicine
    Regenerative Medicine (incl. Stem Cells and Tissue Engineering)
    Engineering
    Medical and Health Sciences
    Education
    Publication URI
    http://hdl.handle.net/10072/42499
    Collection
    • Journal articles

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