2025 ISAKOS Congress in Munich, Germany

2025 ISAKOS Biennial Congress ePoster

 

Short To Midterm Hip Arthroscopy Outcomes In Skeletally Immature Adolescents: A Matched Analysis

Andrew R. Schab, BS, Des Plaines, Illinois UNITED STATES
Tyler R. McCarroll, MD, Des Plaines, IL UNITED STATES
Roger Quesada Jimenez, MD, Des Plaines, Illinois UNITED STATES
Elizabeth G. Walsh, BS, Des Plaines, Illinois UNITED STATES
Benjamin G. Domb, MD, Des Plaines, Illinois UNITED STATES

American Hip Institute Research Foundation, Des Plaines, Illinois, UNITED STATES

FDA Status Cleared

Summary

Skeletally immature adolescents with open physes demonstrated favorable short to midterm outcomes after hip arthroscopy.

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Abstract

Purpose

The study aims to evaluate short midterm outcomes of hip arthroscopy in skeletally immature adolescents with open physes and compare their results to adolescents with closed physes.

Methods

Data was retrospectively reviewed for patients who underwent arthroscopy for treatment of FAI and labral tears between February 2009 and January 2021. Patients were excluded if they had previous ipsilateral hip conditions, hip dysplasia (LCEA < 18°), previous ipsilateral surgery, or preoperative Tonnis grade >1. Patients were included in the OP group if they were under the age of 19, had open proximal femoral growth plates and Risser stage ≤ 4, and complete minimum two-year follow-up. OP hips were matched to CP hips in a 1:1 ratio by age, sex, and BMI. Statistical analysis was carried out to compare patient reported outcomes (PROs), clinically meaningful thresholds, secondary surgeries, and complications between the two groups.

Results

Thirty OP hips were matched with 30 CP hips. The mean age of the OP group and control group was similar (OP 14.96 yr; CP 15.01 yr, p > 0.05). Significant and similar improvement was seen for all PROs in both groups (p < 0.05). The OP group had better preoperative values for mHHS and HOS-SSS than the CP group (p < 0.05). The groups reached similar postoperative values for all evaluated PROs (p > 0.05). The OP and CP study groups met clinically meaningful thresholds and underwent revision arthroscopy at similar rates (p > 0.05). No complications or bony regrowth was reported in both groups.

Conclusion

Skeletally immature adolescents with open physes demonstrated favorable short to midterm outcomes after hip arthroscopy. When compared with skeletally mature adolescents with closed physes, OPs had similar postoperative outcomes, met clinically meaningful thresholds, and underwent revision arthroscopy at similar rates. No complications or bony regrowth was reported.