AI Article Synopsis

  • Intervertebral disc degeneration (IDD) is a common health issue where inflammation plays a significant role, and molecules in the bloodstream may affect this condition.
  • This study collected plasma samples and clinical data from 83 patients with IDD before their spine surgery to find biomarkers that could indicate specific spinal problems and predict recovery outcomes.
  • Findings revealed that certain plasma proteins, especially Neurofilament Light chain (NfL) and CCL22, could help predict a patient’s recovery two months after surgery, highlighting their potential as biomarkers in assessing IDD recovery.

Article Abstract

Background Context: Intervertebral disc degeneration (IDD) affects numerous people worldwide. The role of inflammation is increasingly recognized but remains incompletely resolved. Peripheral molecules could access neovascularized degenerated discs and contribute to the ongoing pathology.

Purpose: To assess a large array of plasma molecules in patients with IDD to identify biomarkers associated with specific spinal pathologies and prognostic biomarkers for the surgery outcome.

Design: Prospective observational study combining clinical data and plasma measures.

Patient Sample: Plasma samples were collected just before surgery. Extensive clinical data (age, sex, smoking status, Modic score, glomerular filtration rate, etc.) were extracted from clinical files from 83 patients with IDD undergoing spine surgery.

Outcome Measures: Recovery 2 months postsurgery as assessed by the treating neurosurgeon.

Methods: Over 40 biological molecules were measured in patients' plasma using multiplex assays. Statistical analyses were performed to identify associations between biological and clinical characteristics (age, sex, Body Mass Index (BMI), smoking status, herniated disc, radiculopathy, myelopathy, stenosis, MODIC score, etc.) and plasma levels of biological molecules.

Results: Plasma levels of Neurofilament Light chain (NfL) were significantly elevated in patients with myelopathy and spinal stenosis compared to herniated disc. Plasma levels of C- reactive protein (CRP), Neurofilament Light chain (NfL), and Serum Amyloid A (SAA) were negatively associated, while CCL22 levels were positively associated with an efficient recovery 2 months postsurgery.

Conclusions: Our results show that CRP and CCL22 plasma levels combined with the age of the IDD patient can predict the 2-month postsurgery recovery (Area Under the Curve [AUC]=0.883). Moreover, NfL could become a valuable monitoring tool for patients with spinal cord injuries.

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Source
http://dx.doi.org/10.1016/j.spinee.2024.09.002DOI Listing

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