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De novo methicillin-resistant Staphylococcus aureus vs. methicillin-sensitive Staphylococcus aureus infections of the spine, similar clinical outcome, despite more severe presentation in surgical patients

Neurosurgical Review volume 44, pages 2111–2118 (2021)Cite this article

Abstract

Vertebral osteomyelitis (VO) is a severe infection of the vertebral body and the adjacent disc space, where Staphylococcus aureus is most commonly isolated. The objective of this retrospective study was to determine risk factors for and compare outcome differences between de novo methicillin-resistant Staphylococcus aureus (MRSA) VO and methicillin-sensitive Staphylococcus aureus (MSSA) VO. A retrospective cohort study was performed by review of the electronic medical records of 4541 consecutive spine surgery patients. Among these 37 underwent surgical treatment of de novo MRSA and MSSA spinal infections. Patient demographics, pre- and postoperative neurological status (ASIA impairment score), surgical treatment, inflammatory laboratory values, nutritional status, comorbidities, antibiotics, hospital stay, ICU stay, reoperation, readmission, and complications were collected. A minimum follow-up (FU) of 12 months was required. Among the 37 patients with de novo VO, 19 were MRSA and 18 were MSSA. Mean age was 52.4 and 52.9 years in the MRSA and MSSA groups, respectively. Neurological deficits were found in 53% of patients with MRSA infection and in 17% of the patients with MSSA infection, which was statistically significant (p < 0.05). Chronic renal insufficiency and malnutrition were found to be significant risk factors for MRSA VO. Preoperative albumin was significantly lower in the MRSA group (p < 0.05). Patients suffering from spinal infection with chronic renal insufficiency and malnutrition should be watched more carefully for MRSA. The MRSA group did not show a significant difference with regard to final clinical outcome despite more severe presentation.

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Affiliations

  1. Swedish Neuroscience Institute, Seattle, WA, USA

    Basem Ishak, Amir Abdul-Jabbar, Emre Yilmaz, Alexander von Glinski, Sven Frieler, Ronan Blecher, Juan Altafulla, Jeffrey Roh, Robert A. Hart, Rod J. Oskouian & Jens R. Chapman

  2. Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany

    Basem Ishak & Andreas W. Unterberg

  3. Department of Infectious Disease, Swedish Medical Center, Seattle, WA, USA

    Gregory B. Moss

  4. Department of Trauma Surgery, BG University Hospital Bochum, Bochum, Germany

    Emre Yilmaz, Alexander von Glinski & Sven Frieler

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  1. Basem Ishak
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Correspondence to Basem Ishak.

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The study was approved by the local institutional review board (Swedish Neuroscience Institute, Seattle, USA) (STUDY2017000146) and is in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

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Ishak, B., Abdul-Jabbar, A., Moss, G.B. et al. De novo methicillin-resistant Staphylococcus aureus vs. methicillin-sensitive Staphylococcus aureus infections of the spine, similar clinical outcome, despite more severe presentation in surgical patients. Neurosurg Rev 44, 2111–2118 (2021). https://doi.org/10.1007/s10143-020-01376-2

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  • DOI: https://doi.org/10.1007/s10143-020-01376-2

Keywords

  • Spinal infection
  • Vertebral osteomyelitis
  • MRSA
  • MSSA
  • Malnutrition
  • Albumin