The Effect of Platelet-Rich Fibrin Matrix at the Time of Gluteus Medius Repair: A Retrospective Comparative Study

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Abstract

Purpose: To evaluate the effect of platelet-rich fibrin matrix (PRFM) on outcomes after surgical repair of gluteus medius tendons. Methods: This is a retrospective review of prospectively collected data comparing patients who underwent gluteus medius repair with PRFM and patients without PRFM. Preoperative characteristics, intraoperative characteristics, and postoperative outcomes at a minimum of 1 year were recorded. Statistical analysis was performed using a multivariate analysis of variance to test for differences in continuous demographic variables and postoperative-only scores between patient groups, χ2 tests were performed for categorical variables, and a repeated-measures analysis of variance was performed to test for the effects of PRFM. We also assessed for interobserver variation in grading adductor tendon tears. Results: In total, the series of gluteus medius repairs without PRFM included 29 patients (25 women and 4 men, 15 right and 4 left) with a mean age of 63.09 ± 12.0 years. The series of gluteus medius repairs with PRFM included 18 patients (16 women and 2 men, 6 right and 12 left) with a mean age of 60.26 ± 8.8 years. There were no differences in patient preoperative variables or intraoperative characteristics. Although there was a significant effect of surgical intervention on the visual analog scale for pain, Hip Outcome Score–Activities of Daily Living, Hip Outcome Score–Sports Specific, and modified Harris Hip Score, the use of PRFM had no significant effect on outcome. Linear models showed a significant positive effect of PRFM on only postoperative Short Form 12 Physical and International Hip Outcome Tool 12 scores. Conclusions: PRFM augmentation does not appear to have an effect on gluteus medius tendon repair in terms of pain or clinical evidence of retears but may have a role in improving subjective outcomes of overall and hip-specific physical functioning. Level of Evidence: Level III, retrospective comparative study.

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APA

Saltzman, B. M., Ukwuani, G., Makhni, E. C., Stephens, J. P., & Nho, S. J. (2018). The Effect of Platelet-Rich Fibrin Matrix at the Time of Gluteus Medius Repair: A Retrospective Comparative Study. Arthroscopy - Journal of Arthroscopic and Related Surgery, 34(3), 832–841. https://doi.org/10.1016/j.arthro.2017.09.032

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