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Updated: Jul 14, 2026
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Clinical Application of Microscope-Assisted Minimally Invasive Anterior Lumbar Interbody Fusion
Published on: June 16, 2023
L5-S1 laparoscopic anterior interbody fusion
Constantine T Frantzides1, Tallal M Zeni, Frank M Phillips
1Minimally Invasive Surgery Center, Department of Surgery, Evanston Northwestern Healthcare and Northwestern University, Evanston, Illinois 60201, USA. cfrantzides@enh.org
Summary
Laparoscopic L5-S1 anterior lumbar interbody fusion (ALIF) is a safe and feasible minimally invasive surgery. This technique offers comparable fusion rates and pain improvement to open repair, demonstrating its effectiveness.
Area of Science:
- Spine surgery
- Minimally invasive procedures
- Orthopedic surgery
Background:
- Anterior lumbar interbody fusion (ALIF) is a common procedure for treating degenerative disc disease.
- Minimally invasive surgical techniques aim to reduce patient morbidity and improve recovery times.
Purpose of the Study:
- To evaluate the feasibility and safety of laparoscopic L5-S1 anterior lumbar interbody fusion (ALIF).
- To compare the outcomes of laparoscopic ALIF with traditional open procedures.
Main Methods:
- Retrospective analysis of consecutive patients undergoing L5-S1 laparoscopic ALIF between February 1998 and August 2003.
- Data collected included operative time, cage placement, length of stay, complications, and fusion rates.
Main Results:
- Twenty-eight patients underwent L5-S1 LAIF with no conversions to open surgery.
- Successful bilateral cage placement was achieved in 85.7% of patients; 14.3% required supplementary posterior pedicle screws.
- Mean length of stay was 4.1 days, with fusion achieved in all patients and significant improvement in back pain scores (P<0.0001).
Conclusions:
- L5-S1 LAIF is a feasible and safe surgical option.
- It offers the advantages of minimally invasive surgery.
- Fusion rates and pain improvement are comparable to open anterior lumbar interbody fusion.
