… Response to lumbar epidural steroid injection in lumbar radicular pain varies. The purpose
of this study is … testing (QST) phenotypes of subjects and compare the QST characteristics in …

… to improve reliability and accuracy in EI studies [2], and QST phenotypes have recently been
… according to the response to EI [24]. Our study shows relevant results with thermal QST, in …

… thermal QST phenotype measurements immediately before and immediately after a ketamine
infusion. At both times, thermal QST … QST responses to thermal stimulation were examined …

… (hypersensitivity reactions for ESI and non-organic signs for ESI, facet interventions and SIJ
injections) as pilot studies during … outcomes: a phenotypic signature? A prospective cohort …

… and usually includes mechanical, thermal, or pressure pain … on a background of phenotypic
switches and structural … unilateral lumbosacral radicular pain: A prospective pilot study…

… thermal testing in regions of heat allodynia, which can improve diagnosis and inform treatment.
Citation23 – Citation27 In short, QST may allow clinicians to better phenotype … pilot study …

… help identify somatosensory phenotypes of patients with neuropathic pain. These thermal and
… stratification based on these sensory profiles has predictive power for treatment response …

… study comparing the analgesic effect of imipramine and oxycodone to placebo, thermal QST
… be avoided to answer the question of whether epidural injections are effective therapeutic …

… may facilitate better stratification and phenotyping; as well as … neuropathic pain-A Pilot
Study. Journal of Neuroimmunology. … Figure 14: Heat Map and clustering of immune mediated …

… , standardized QST can nicely distinguish between phenotypic … An indicative pilot study by
Bowsher demonstrated that pain … These findings suggest that pretreatment assessment of heat …