Moderate to Severe Multifidus Fatty Atrophy is the Risk Factor for Recurrence After Microdiscectomy of Lumbar Disc

Fengzhao Zhu1, Dongqing Jia2, Yaqing Zhang1

  • 1Department of Orthopedics, Xinqiao Hospital, Army Medical University, Chongqing, China.

Neurospine
|July 4, 2023
PubMed
Abstract

Insights

Moderate-severe multifidus fatty atrophy (MFA) is a key risk factor for recurrent lumbar disc herniation (rLDH) after tubular microdiscectomy. Identifying MFA aids surgeons in surgical planning and prognosis assessment for rLDH patients.

Area of Science:

  • Neurosurgery
  • Orthopedics
  • Spinal Surgery

Background:

  • Recurrent lumbar disc herniation (rLDH) presents a significant challenge after initial surgical treatment.
  • Tubular microdiscectomy is a common procedure for lumbar disc herniation (LDH).
  • Identifying risk factors for rLDH is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate potential risk factors associated with recurrent lumbar disc herniation (rLDH) following tubular microdiscectomy.
  • To identify predictors of poor prognosis in patients experiencing rLDH.

Main Methods:

  • Retrospective analysis of 350 patients who underwent tubular microdiscectomy for LDH.
  • Comparison of clinical and radiological factors between patients with and without rLDH.
  • Logistic regression analysis to determine significant risk factors for rLDH.

Main Results:

  • The overall recurrence rate was 5.7%.
  • Moderate-severe multifidus fatty atrophy (MFA) was identified as the sole and strongest independent risk factor for rLDH.
  • Patients with rLDH showed a worse prognosis, indicated by higher leg pain visual analogue scale (VAS) and Oswestry Disability Index (ODI) scores at final follow-up.

Conclusions:

  • Moderate-severe MFA is a significant risk factor for rLDH after tubular microdiscectomy.
  • This finding is vital for surgeons in developing surgical strategies and assessing prognosis.
  • Early identification of MFA may help mitigate the risk of recurrence.

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