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Transiliac endoscopic assisted L5S1 intra-foraminal lumbar interbody fusion: technical considerations and potential complications – Lumbar Fusion

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This article, published in World Neurosurgery, discusses the clinical outcomes, complications, and fusion rates of transiliac endoscopic assisted L5S1 intra-foraminal lumbar interbody fusion (iLIF). The study included five patients with L5S1 degenerative disc disease who underwent transiliac iLIF and were followed for a minimum of 12 months. The primary outcome measures were disability index, back pain, leg pain, and the modified MacNab criteria. The results showed significant improvement in all primary outcome measures, with good or excellent results in 80% of cases. Complications included lower limb dysesthesia in three patients, and one patient required revision surgery for foraminal bone fragment removal. Despite the complications, all patients achieved fusion. The study concludes that transiliac iLIF is a feasible surgical technique with good clinical outcomes and high fusion rates, but special care must be taken to prevent lower limb dysesthesia and injury to the dorsal root ganglion

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
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Published article

CONCLUSION: The transiliac iLIF is a feasible but demanding surgical technique that allows overcoming cases in which the ilium prevents endoscopic transforaminal access to L5S1. Our preliminary results had good clinical outcomes and high fusion rates. The main complication was late onse dysesthesia of the ipsilateral lower limb, 10 to 14 days after surgery. Special care must be taken to prevent L5 dorsal root ganglion injury.

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World Neurosurg. 2023 Aug 4:S1878-8750(23)01095-1. doi: 10.1016/j.wneu.2023.07.153. Online ahead of print.ABSTRACTOBJECTIVE: To determine the clinical outcomes, complications, and fusion rates in transiliac endoscopic assisted L5S1 intra-foraminal lumbar interbody fusion (iLIF).METHODS: Between September 2020 and September 2021, patients with L5S1 degenerative disc disease were enrolled in a prospective study on transiliac L5S1 iLIF and followed for,

World Neurosurg. 2023 Aug 4:S1878-8750(23)01095-1. doi: 10.1016/j.wneu.2023.07.153. Online ahead of print.

ABSTRACT

OBJECTIVE: To determine the clinical outcomes, complications, and fusion rates in transiliac endoscopic assisted L5S1 intra-foraminal lumbar interbody fusion (iLIF).

METHODS: Between September 2020 and September 2021, patients with L5S1 degenerative disc disease were enrolled in a prospective study on transiliac L5S1 iLIF and followed for a minimum of 12 months. Conflict of the pre-operative planned approach with the ilium was mandatory. The primary outcome measures were the Oswestry disability index (ODI), the visual analogue scale score for low back pain (VAS back) and leg pain (VAS Leg), and the modified MacNab criteria. The secondary outcomes were complications and fusion rates.

RESULTS: Five consecutive patients were enrolled. Two males and three females with a mean age of 50±12.9. All had 12 months follow-up. The mean improvement in ODI, VAS back, and VAS leg (44±11.75, 6.6±1.7, and 4.7±4.2, respectively) was more than three times the minimum clinically important difference. The modified MacNab criteria were good or excellent in 80% of cases at all endpoints. Three patients had ipsilateral lower limb dysesthesia. One patient had revision surgery for foraminal bone fragment removal. All patients achieved fusion.

CONCLUSION: The transiliac iLIF is a feasible but demanding surgical technique that allows overcoming cases in which the ilium prevents endoscopic transforaminal access to L5S1. Our preliminary results had good clinical outcomes and high fusion rates. The main complication was late onse dysesthesia of the ipsilateral lower limb, 10 to 14 days after surgery. Special care must be taken to prevent L5 dorsal root ganglion injury.

PMID:37544596 | DOI:10.1016/j.wneu.2023.07.153

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Transiliac endoscopic assisted L5S1 intra-foraminal lumbar interbody fusion: technical considerations and potential complications

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World Neurosurg. 2023 Aug 4:S1878-8750(23)01095-1. doi: 10.1016/j.wneu.2023.07.153. Online ahead of print.ABSTRACTOBJECTIVE: To determine the clinical outcomes, complications, and fusion rates in transiliac endoscopic assisted L5S1 intra-foraminal lumbar interbody fusion (iLIF).METHODS: Between September 2020 and September 2021, patients with L5S1 degenerative disc disease were enrolled in a prospective study on transiliac L5S1 iLIF and followed for

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