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Time From ACL Injury Time To Surgery: Evaluating A Multifaceted Set of Potential Predictors

Time From ACL Injury Time To Surgery: Evaluating A Multifaceted Set of Potential Predictors

Claire Giachino, BA, UNITED STATES Hannah Rossing, BS, UNITED STATES David Howell, PhD, UNITED STATES Curtis D. Vandenberg, MD, UNITED STATES Jay C. Albright, MD, UNITED STATES

Children's Hospital Colorado, Aurora, CO, UNITED STATES


2023 Congress   ePoster Presentation   2023 Congress   Not yet rated

 

Treatment / Technique

Patient Populations

Anatomic Location

Anatomic Structure

Diagnosis / Condition

Diagnosis Method

Ligaments

ACL


Summary: The evaluation of a multifaceted set of potential factors related to injury-to-surgery timing that may reveal additional variables for clinicians to consider.


Introduction

Existing studies have suggested that patients with lower socioeconomic status experience a longer time from injury to surgery for pediatric anterior cruciate ligament (ACL) reconstructions. Evaluating a multifaceted set of potential factors related to injury-to-surgery timing may reveal additional variables for clinicians to consider.

Purpose

The purpose of this study was to examine which demographic characteristics, injury/surgery characteristics, and pre-operative patient-reported-outcomes predicted time from ACL injury to surgery. We hypothesized a greater proportion of patients with public insurance would have an injury-to-surgery time =45 days post injury compared to those with private insurance.

Methods

We completed a retrospective chart review from January 15, 2019 to May 18, 2021. ACL surgery was completed by two surgeons at one pediatric sports medicine center. Patients were categorized as those who underwent surgery = 45 days post-injury vs. those who underwent surgery =45 days post-surgery (median split). Patients completed an array of pre-operative assessments that included demographics, injury/surgical characteristics, and patient-reported outcomes (grit, mobility [PROMIS], and physical activity [ HSS Pedi-FABS]). We compared each potential predictor variable between groups. Those which demonstrated potential significant differences (defined as p<0.05) between groups were then entered as predictors into a multivariable linear regression model, where the outcome variable was time to surgery (as a continuous variable).

Results

A higher proportion of those who underwent surgery =45 days post-injury were on public insurance (48% vs. 14%; p<0.001), were skeletally mature (81% vs. 61%; p=0.03),and underwent transphyseal surgery (71% vs. 53%; p=0.02) compared to those who underwent surgery within 45 days of injury, while a significantly lower proportion were competitive athletes (79% vs. 93%; p=0.03). Those who underwent surgery =45 days post-injury reported lower physical activity (Pedi-FABS 22.9±7.1 vs. 25.3±4.7; p=0.03) and higher mobility scores (38.4±9.4 vs. 34.1±6.5; p=0.005) compared to those who underwent surgery within 45 days of injury (Table 3, Figure 1). Within the multivariable model, both public insurance status (ß=41.7; 95% CI=17.4-65.9; p=0.001) and higher PROMIS mobility scores (ß=2.0; 95% CI=0.7-3.4; p=0.003) were associated with a significantly longer time from injury to surgery.

Conclusion

Our data indicate that after screening for a variety of different intrinsic and extrinsic factors, the two most prominent predictors of delays in time from ACL injury to surgery are public insurance status and better self-reported post-injury mobility. Surgeons may consider the reasons for delays for ACL surgery may have to do with self-reported functional status in addition to insurance status.


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