• Eur Spine J · Mar 2023

    Posterolateral full-endoscopic debridement and irrigation is effective in treating thoraco-lumbar pyogenic spondylodiscitis, except in cases with large abscess cavities.

    • Katsuhisa Yamada, Masahiko Takahata, Ken Nagahama, Akira Iwata, Tsutomu Endo, Ryo Fujita, Hiroyuki Hasebe, Takashi Ohnishi, Hideki Sudo, Manabu Ito, and Norimasa Iwasaki.
    • Department of Orthopaedic Surgery, Hokkaido University Hospital, North-14, West-5, Kita-Ku, Sapporo, Hokkaido, 060-8648, Japan. yka2q@med.hokudai.ac.jp.
    • Eur Spine J. 2023 Mar 1; 32 (3): 859866859-866.

    PurposeTo determine the efficacy and poor prognostic factors of posterolateral full-endoscopic debridement and irrigation (PEDI) surgery for thoraco-lumbar pyogenic spondylodiscitis.MethodsWe included 64 patients (46 men, 18 women; average age: 63.7 years) with thoracic/lumbar pyogenic spondylodiscitis who had undergone PEDI treatment and were followed up for more than 2 years. Clinical outcomes after PEDI surgery were retrospectively investigated to analyze the incidence and risk factors for prolonged and recurrent infection.ResultsOf 64 patients, 53 (82.8%) were cured of infection after PEDI surgery, and nine (17.2%) had prolonged or recurrent infection. Multivariate analysis demonstrated that significant risk factors for poor prognosis included a large intervertebral abscess cavity (P = 0.02) and multilevel intervertebral infections (P < 0.05).ConclusionPEDI treatment is an effective, minimally invasive procedure for pyogenic spondylodiscitis. However, a large intervertebral abscess space could cause instability at the infected spinal column, leading to prolonged or recurrent infection after PEDI. In cases with a large abscess cavity with or without vertebral bone destruction, endoscopic drainage alone may have a poor prognosis, and spinal fixation surgery could be considered.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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