Effects of pulsed electromagnetic field therapy at different frequencies and durations on rotator cuff tendon-to-bone healing in a rat model.
RatOtherSprague-DawleyMalen = 210 rats total including 60 from a previous study, n=10 per…Whole-body exposure in custom racks with an electromagnetic coil module around the cageMaximum amplitude 1.19 mT; fundamental frequency 3.85 kHz f…Started 24 hours after surgery
Model: Bilateral acute supraspinatus tendon detachment and transosseous repair: tendon sharply transected from its bony insertion, footprint fibrocartilage removed with a 5 mm bur, and a 0.5 mm bone tunnel drilled through the greater tuberosity for suture repair
All frequencies and exposure durations improved some mechanical properties compared with untreated animals with no adverse effects, with 1 hour of Physio-Stim raising stiffness at 4, 8 and 16 weeks and modulus at 4 weeks, and collagen organisation and collagen I and fibronectin expression improved…
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