ArticleSurgical neurology international2026
Is there an association between digital oximetry desaturation and changes in somatosensory-evoked potentials during anterior lumbar interbody fusion?
Article in Surgical neurology international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Anterior lumbar interbody fusion (ALIF) is widely employed in the treatment of degenerative lumbar disorders. However, ALIF may require manipulation or retraction of major vascular structures, thereby increasing the risk of transient ischemia. Intraoperative neurophysiological monitoring with somatosensory-evoked potentials (SSEPs), combined with digital oximetry (DO), may more effectively detect the onset of lower-extremity hypoperfusion or major vascular compromise during ALIF. Methods: Thirty consecutive patients underwent ALIF for lumbar spondylodiscoarthropathy. Intraoperative SSEP recording and digital pulse oximetry were performed; episodes of desaturation (SpO Results: Peripheral desaturation and SSEP alteration each occurred in one patient (3.3%), with no significant association ( Conclusion: A causal link between DO desaturation and SSEP changes during ALIF appears unusual. Nevertheless, concurrent monitoring enhances intraoperative safety and is advisable in procedures involving vascular manipulation. The results support the safety and clinical efficacy of the anterior approach when performed by experienced teams in selected patients.
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