Abstract
BackgroundDegenerative lumbar spine disease is the leading cause of disability and work absenteeism worldwide. Lumbar microdiscectomy became the standard treatment for herniated discs and stenotic disease. With the evolution of different techniques, endoscopic spinal surgery emerged to minimize the surgical footprint while providing at least non-inferior results. Currently, two different types of endoscopic spine procedures are dominating the surgical scenario: “Full-Endoscopic” (FE) and Unilateral Biportal Endoscopic”(UBE) Spine Surgery. The aim of this study is to describe and analyze their indications, their technical characteristicswithitsadvantagesanddisadvantagesofbothtechniquesandtheirfuture trends. MethodsWe performed a narrative review of the most relevant articles published up to August 2023 through a Pub Med search. The search terms "Full-Endoscopic Spine Surgery" and "Unilateral Biportal Endoscopic Spine Surgery" were used. The articles selected, were independently reviewed by 3 authors and 55 full text articles were reviewed. ResultsThe FE and UBE Spine Surgery techniques were described. The FE technique is performed with a monoportal access under constant saline irrigation. The FE comprises the transforaminal and the interlaminar approaches, and the indication depends from the pathology to treat, and still remains controversial. UBE can approach also the spine from a posterior, postero lateral,and para spinal route. It uses two different ports addressed to a target with continuous irrigation. The process of establishing these two portals is called triangulation. ConclusionFE and UBE spine surgery have demonstrated outcomes comparable to open surgery, minimizing complications and surgical footprint.
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