Two-level fusion for Bertolotti syndrome and concomitant adjacent segment disease: patient series

Key Points

• To evaluate the outcomes of two-level fusion in patients with Bertolotti syndrome and adjacent segment disease.
• Patient series analysis of outcomes from two-level fusion procedures.
• Comparison of different surgical approaches used in the treatment.
• Assessment of physical health improvements using established clinical measures.
• Patients demonstrated significant improvements in physical health.
• Outcomes exceeded the minimal clinically important difference across both surgical groups.