Salivary TNF-α as a Pain Biomarker in Cerebral Palsy
Author Information
Author(s): Sabater-Gárriz Álvaro, Cerón José Joaquín, Montoya Pedro, Riquelme Inmaculada
Primary Institution: Balearic ASPACE Foundation, Marratxí, Spain
Hypothesis
Salivary metabolites, especially sTNF-α and cortisol, will experience an increase in their expression after the intramuscular injection in both individuals with cerebral palsy and healthy controls.
Conclusion
sTNF-α might be a promising pain indicator, but further research is needed to understand its use as a pain biomarker.
Supporting Evidence
- Pain in subjects with CP was higher than in healthy controls after the intramuscular injection.
- sTNF-α experienced a significant post-stimulus increase in both groups.
- Other biomarkers associated with stress remained stable.
Takeaway
This study looked at how a substance in saliva could show if someone with cerebral palsy is in pain after getting a shot. It found that this substance might help us understand pain better.
Methodology
Salivary levels of various metabolites and pain behavior scales were assessed before and after an intramuscular injection in 30 individuals with CP and 30 healthy controls.
Potential Biases
The use of different solutions for injections might have affected pain perception and biased the results.
Limitations
The painful stimulus was of short duration and low intensity, which may have limited the response in both metabolite expression and observational scales.
Participant Demographics
30 adults with cerebral palsy (mean age = 40.30 years, 10 females) and 30 healthy controls (mean age = 38.87 years, 10 females).
Statistical Information
P-Value
p = .010 for sTNF-α
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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