The comparative impact of body mass index on outcomes following minimally invasive versus open surgery for grade 1 spondylolisthesis: 2-year follow-up from the Quality Outcomes Database.

Andrés Pascual-Leone; Praveen V Mummaneni; Evan F Joiner; Dean Chou; Mohamad Bydon; Bisson Ef; Christopher I Shaffrey; Steven D Glassman; Kevin T. Foley; Eric A. Potts; Chun Po Yen; Domagoj Coric; John J. Knightly; Paul J. Park; Michael Y Wang; Kai-Ming Fu; Jonathan R. Slotkin; A. Asher; Lora Wang; Regis W. Haid; Andrew K Chan

doi:10.3171/2025.9.spine25552

Key Points

The aim is to evaluate how body mass index affects surgical outcomes for grade 1 spondylolisthesis.
Analysis of surgery outcomes from the Quality Outcomes Database
Comparison of minimally invasive (MI) vs. open surgical approaches
Focus on patients with different BMI categories
Follow-up period of two years
Both surgical approaches led to patient improvement over time.
Patients with BMI ≥ 30 kg/m2 showed better outcomes with MI surgery.
No significant difference in outcomes noted for patients with BMI < 30 kg/m2.

Implication

Compares outcomes of minimally invasive versus open surgery for grade 1 spondylolisthesis, indicating BMI influences results.

Abstract

Regardless of approach, patients improved following surgery for grade 1 DLS. Patients with BMI ≥ 30 kg/m2 had better long-term outcomes when treated with an MI surgical approach versus open surgery. This difference in outcomes between MI and open surgery was not observed among patients with BMI < 30 kg/m2.

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Cite This Study

Pascual-Leone et al. (2026) studied this question.

synapsesocial.com/papers/69770393722626c4468e893a https://doi.org/10.3171/2025.9.spine25552

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The comparative impact of body mass index on outcomes following minimally invasive versus open surgery for grade 1 spondylolisthesis: 2-year follow-up from the Quality Outcomes Database.

Key Points

Implication

Abstract

Discussion

Cite This Study

The comparative impact of body mass index on outcomes following minimally invasive versus open surgery for grade 1 spondylolisthesis: 2-year follow-up from the Quality Outcomes Database.

Key Points

Implication

Abstract

Discussion

Cite This Study

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