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Patients have improved range of motion after TKA, low-dose irradiation for idiopathic arthrofibrosis
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Researchers reported an increased range of motion in some patients after total knee arthroplasty and no major complications after preoperative low-dose irradiation and constrained revision to treat severe idiopathic arthrofibrosis.
"Our current experience with preoperative low-dose irradiation, femoral shortening and constrained revision in severe idiopathic arthrofibrosis following total knee arthroplasty (TKA) is encouraging. However, longer follow-up is necessary to determine long-term durability of the hypothesis," Yasser R. Farid, MD, PhD, and colleagues wrote in the study. "A larger, prospective, randomized study is required to reveal the relative contribution of low-dose prophylactic irradiation to the prevention of recurrent stiffness in severe, idiopathic arthrofibrosis."
Farid and colleagues analyzed 14 patients who underwent 15 TKAs. They found one patient had worsened range of motion (ROM), while 13 patients had a mean 57°; gain in ROM, with a mean overall motion of 46°; and flexion contracture of 30°;, according to the abstract. They also noted that mean flexion contracture decreased by mean 28°; and there were no major complications at 34-month follow-up.
Disclosure: One of the authors (Finn) receives royalties from and is a paid consultant for Biomet.
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