Elimination of Subsidence with 26-mm-Wide Cages in Extreme Lateral Interbody Fusion

World Neurosurgery
Gernot LangRoger Härtl

Abstract

Extreme lateral interbody fusion (ELIF) has gained popularity as a minimally invasive technique for indirect decompression. However, graft subsidence potentially threatens long-term success of ELIF. This study evaluated whether 26-mm-wide cages can eliminate subsidence and subsequent loss of decompression in ELIF. Patients undergoing ELIF surgery using a 26-mm-wide cage were analyzed retrospectively. Patient demographics and perioperative data for radiographic and clinical outcomes were recorded. Radiographic parameters included regional sagittal lumbar lordosis and foraminal and disc height. Clinical parameters were evaluated using the Oswestry Disability Index and visual analog scale. Subsidence of 26-mm-wide cages was compared with previous outcomes of patients undergoing ELIF using 18-mm-wide and 22-mm-wide cages. There were 21 patients and 28 spinal segments analyzed. Radiographic outcome measures such as disc and foraminal height revealed significant improvement at follow-up compared with before surgery (P = 0.001). Postoperative to last follow-up cage subsidence translated into 0.34 mm ± 0.26 and -0.55 mm ± 0.64 in disc and foraminal height loss, respectively. Patients with 26-mm-wide cages experienced less subsidence by...Continue Reading

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Nov 27, 2016·World Neurosurgery·Rodrigo Navarro-RamirezRoger Härtl

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Citations

Oct 19, 2017·Current Reviews in Musculoskeletal Medicine·Stephan N SalzmannAlexander P Hughes
Jun 12, 2020·HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery·Matteo FormicaLamberto Felli
Nov 8, 2019·World Neurosurgery·Colleen RentenbergerAlexander P Hughes
Jun 25, 2021·World Neurosurgery·Rodrigo AmaralUNKNOWN Brazilian Spine Study Group

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