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Related Experiment Video

Updated: May 31, 2026

Transforaminal Full-Endoscopic Lumbar Foraminotomy Under Local Anesthesia for L5/S1 Adjacent Segment Foraminal Stenosis
07:44

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Published on: October 17, 2025

Reoperations after surgery for lumbar spinal stenosis.

Vijayakumar Javalkar1, Raul Cardenas, Tamir A Tawfik

  • 1Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA.

World Neurosurgery
|June 28, 2011
PubMed
Summary

Reoperation after lumbar decompression for spinal stenosis is common, with most occurring at the same level. Prior instrumentation did not significantly increase the risk of reoperation or adjacent level stenosis.

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Published on: February 9, 2024

Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Spinal Surgery

Background:

  • Lumbar spinal stenosis is a common condition requiring surgical intervention.
  • Reoperations after initial lumbar decompression can occur due to various factors, including adjacent segment disease.
  • The role of prior spinal instrumentation in reoperation rates and adjacent segment pathology is not fully understood.

Purpose of the Study:

  • To investigate the indications for reoperations following lumbar decompression surgery.
  • To identify factors that predispose patients to repeat operations.
  • To evaluate the impact of prior instrumentation on the development of adjacent level stenosis necessitating reoperation.

Main Methods:

  • Kaplan-Meier analysis was employed to determine the median interval to the first reoperation.
  • Multivariate analysis using Cox regression was performed to assess time-to-reoperation predictors.
  • Patient data from 335 individuals undergoing lumbar spinal stenosis surgery were analyzed.

Main Results:

  • 13% of patients (44 out of 335) required reoperation, with 50 procedures performed.
  • The most frequent indication for reoperation was adjacent level spinal stenosis (21 cases), followed by instability.
  • Prior instrumentation was associated with a trend towards higher reoperation risk (HR 1.7), but this did not reach statistical significance (P=0.12).
  • No significant association was found between prior instrumentation and the development of adjacent level stenosis requiring reoperation (P=0.473).

Conclusions:

  • Reoperations after lumbar decompression are often due to spinal stenosis at the same or adjacent levels.
  • While a trend suggested increased reoperation risk with prior instrumentation, it was not statistically significant.
  • This study found no direct link between prior instrumentation and adjacent level stenosis requiring reoperation, warranting further investigation in randomized trials.