• Arthur Jason De Luigi, Daniel Blatz, Christopher Karam, Zachary Gustin, and Andrew H Gordon.
• From the Mayo Clinic, Arizona, Mayo Clinic School of Medicine, Scottsdale, Arizona (AJDL); MedStar National Rehabilitation Hospital, MedStar Georgetown University Hospital, Georgetown University School of Medicine, Washington, DC (AJDL); MedStar National Rehabilitation Hospital, Shirley Ryan Ability Lab, Northwestern University School of Medicine, Chicago, Illinois (DB); MedStar National Rehabilitation Hospital, Our Lady of Lourdes Medical Center, RA Pain Services, Washington, DC (CK); MedStar National Rehabilitation Hospital, Methodist Health System, Washington, DC (ZG); and MedStar National Rehabilitation Hospital, Georgetown University School of Medicine, Washington, DC (AHG).
• Am J Phys Med Rehabil. 2019 Nov 1; 98 (11): 1010-1017.

ObjectiveThis study aims to assess whether ultrasound-guided injection of platelet-rich plasma can safely and effectively treat symptoms associated with acetabular hip labral tears.DesignInstitutional review board approval was gained for a prospective study of eight patients (N = 8), who have previously failed conservative management, to receive ultrasound-guided injection of platelet-rich plasma at the site of hip labrum tear. We assessed pain reduction and functional ability at baseline and then 2, 6, and 8 wks after injection, using the visual analog scale and Harris Hip Score, respectively.ResultsStatistically significant differences in Harris Hip Score were seen 2 wks (86.5 ± 10.8, P < 0.01), 6 wks (88.0 ± 10.7) P < 0.01), and 8 wks (92.1 ± 11.6, P < 0.01) after injection as compared with baseline (76.0 ± 13.4). Corresponding improvements were seen in visual analog scale 2 wks (1.0, P < 0.01 at rest, 2.5, P < 0.01 with activity), 6 (0.9, P < 0.01 at rest, 2.3, P < 0.01 with activity), and 8 wks (0.5, P < 0.01 at rest, 1.3, P < 0.01 with activity) compared with baseline (3.8 at rest, 5.4 with activity).ConclusionsUltrasound-guided injection of platelet-rich plasma holds promise as an emerging, minimally invasive technique toward symptom relief, reducing pain, and improving function in patients with hip labral tears.

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