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Patient reported outcome scores following traumatic hip dislocations
Carlo Eikani1, Elizabeth Cho1, Robert Kelly2
1Loyola University Medical Center, Department of Orthopaedic Surgery and Rehabilitation, Maywood, IL, USA.
Injury
|February 13, 2025
Summary
Traumatic hip dislocations impact patient function, with older age and higher Kellgren-Lawrence scores linked to worse outcomes. Patient-Reported Outcome Measures (PROMIS PF) and SF-36 scores effectively evaluate these functional deficits without floor or ceiling effects.
Area of Science:
- Orthopaedic surgery
- Trauma care
- Patient-reported outcomes
Background:
- Traumatic native hip dislocations are orthopedic emergencies with potential long-term morbidity.
- Limited evidence exists on the impact of these injuries on patient-reported outcomes (PROs).
Purpose of the Study:
- To evaluate patient-reported outcome scores in patients who have experienced traumatic native hip dislocations.
Main Methods:
- Retrospective review of adult patients with native hip dislocations (2005-2020).
- Analysis of demographics, comorbidities, injury characteristics, treatment, and complications.
- Assessment of outcomes using PROMIS Physical Function (PROMIS PF) and SF-36 questionnaires.
- Statistical analysis including Student t-tests and Mann-Whitney U tests.
Main Results:
- 168 patients identified; 78 (46.4%) completed PROs.
- Older age correlated with worse SF-36 Physical scores (p=0.007).
- Each Kellgren-Lawrence grade increase was associated with a 2.18 decrease in PROMIS PF scores (p=0.01).
- No floor or ceiling effects were observed for PROMIS PF or SF-36 summary scores.
Conclusions:
- Older age and higher Kellgren-Lawrence scores predict poorer functional outcomes after native hip dislocation.
- PROMIS PF and SF-36 scores are reliable tools for assessing functional impact in these patients.
- These validated measures aid in understanding the long-term functional consequences of traumatic hip dislocations.
