Tendon injury and repair after core biopsies in chronic Achilles tendinosis evaluated by serial magnetic resonance imaging

British Journal of Sports Medicine
Adel ShalabiTomas Movin

Abstract

To evaluate the morphological response and healing process after transverse ultrasound guided core biopsies in chronic Achilles tendinosis using serial magnetic resonance imaging (MRI) over a period of one year. The study included 10 patients. Six had five transverse core biopsies and were longitudinally evaluated by MRI before the biopsies and then after one week, three months, seven months, and one year. These patients started a three month eccentric training programme one to two weeks after the biopsy. Four "non-biopsied" and untreated patients were used for comparison. The clinical outcome was categorised according to the level of pain and performance. The MRI one week after the biopsies showed an increase in tendon volume (T1-WI) and mean signal intensity (PD-WI) of 29% and 30% (p = 0.04). During follow up, tendon volume and mean signal intensity gradually decreased. One year after the biopsy, the tendon volume had decreased by 20% and the intratendinous signal by 28% compared with the index MRI (p = 0.04). The untreated patients showed an increase in both tendon volume (39%, p = 0.06) and intratendinous signal (37%, p = 0.14) at the one year follow up. After one year, pain and performance had improved in the treated patie...Continue Reading

References

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Citations

Oct 18, 2008·Journal of Applied Physiology·C C CarrollT A Trappe
Jun 30, 2012·The British Journal of Radiology·R J HodgsonM D Robson
Mar 3, 2010·Orthopedics·Giuseppe FilardoMaurilio Marcacci
Jul 16, 2009·Scandinavian Journal of Medicine & Science in Sports·A MeyerG D Baxter
May 18, 2010·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Michael SchrammeRaphael Labens
Apr 26, 2016·Extreme Physiology & Medicine·Samuel J E LucasJames D Cotter
Nov 30, 2012·British Journal of Sports Medicine·Håkan AlfredsonSture Forsgren
Nov 19, 2011·Scandinavian Journal of Medicine & Science in Sports·R A StandleyT A Trappe

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