What type of study is this?

This is a Retrospective Study study.

September 10, 2025

Comparison of Midterm Outcomes between Biportal Endoscopic Transforaminal Lumbar Interbody Fusion and Oblique Lumbar Interbody Fusion with Lateral Vertebral Body Screw Fixation for Single Level Spondylolisthesis

Puntos clave

OLIF significantly improves segmental lordosis compared to BE-TLIF, with a notable difference in postoperative VAS back pain.
Blood loss during BE-TLIF surgery is significantly less than during OLIF surgery, indicating a potential advantage of the endoscopic approach.
Both surgical techniques show comparable rates of cage subsidence and overall radiographic outcomes, suggesting both methods are viable options.
Patients receiving OLIF report shorter operation time compared to those undergoing BE-TLIF, which may influence surgical decision-making.

Resumen

Abstract Objective: The purpose of this study is aiming to compare the intra-operative, radiographic, and mid-term clinical outcomes between direct decompression of BE-TLIF and indirect decompression of OLIF in patients with single level spondylolisthesis Method: Between December 2020 and May 2022, patients with single level spondylolisthesis and received either OLIF or BE-TLIF from the authors’ orthopedic departments were selected to enroll in this retrospective study. Results: A total of 34 patients that underwent single-level OLIF and 30 patients that received single-level BE-TLIF in the spine department of our institutions were included. Both groups had similar demographic parameters. BE-TLIF showed significantly less blood loss compared to that of OLIF (pConclusion: While OLIF still offers superior results in restoration of lumbar lordotic angle and short term post-operative back pain, the use of endoscopic technique in BE-TLIF may achieve comparable radiographic and clinical outcomes in cage subsidence rate and follow-up VAS back/leg pain compared to the indirect decompression of OLIF.

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Cite This Study

Kao et al. (Fri,) studied this question.

synapsesocial.com/papers/68c1bd4254b1d3bfb60eea5d https://doi.org/https://doi.org/10.21203/rs.3.rs-6877590/v1

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