Defining Instability in Degenerative Spondylolisthesis: Surgeon Views.

ABSTRACT:

Study design

Surgeon survey.

Objective

To examine factors influencing surgeons' definition of instability in grade 1 degenerative spondylolisthesis (DS) and assess treatment preferences for both stable and unstable DS.

Summary of background data

DS treatment options are broadly classified as decompression with or without fusion. In surgical decision-making, "instability" is frequently considered as a key factor. However, no consensus on the definition of instability exists.

Methods

A survey was conducted to ascertain the minimum amounts of static translation, dynamic translation, and angulation change that surgeons considered significant for determining instability. The importance of other clinical and radiographic features were also assessed, and respondents'

SUBMITTER: Spina N 

PROVIDER: S-EPMC6889058 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature