Correlation between biomarkers of pain in saliva and PAINAD scale in elderly people with cognitive impairment and inability to communicate: descriptive study protocol

IntroductionPain is an under-diagnosed problem in elderly people, especially in those with cognitive impairment who are unable to verbalise their pain. Although the Pain assessment in advanced dementia scale (PAINAD) scale is a tool recognised for its clinical interest in this type of patients, its...

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Bibliographic Details
Published in:BMJ open 2019-11, Vol.9 (11), p.e032927-e032927
Main Authors: Cantón-Habas, Vanesa, Carrera-González, María del Pilar, Moreno-Casbas, María Teresa, Quesada-Gómez, José Manuel, Rich-Ruiz, Manuel
Format: Article
Language:English
Subjects:
Analgesics
Biomarkers
Caregivers
Chronic illnesses
Cognitive ability
Dementia
Health care
Hormones
Neurology
Older people
Pain management
Population
Quality of life
Surgery
TNF inhibitors
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Summary:IntroductionPain is an under-diagnosed problem in elderly people, especially in those with cognitive impairment who are unable to verbalise their pain. Although the Pain assessment in advanced dementia scale (PAINAD) scale is a tool recognised for its clinical interest in this type of patients, its correlation with the saliva biomarkers reinforced its utility. The aim of this research will be to correlate the scores of this scale with the levels of biomarkers of pain found in saliva samples of patients with cognitive impairment and inability to communicate.Methods and analysisThis is an observational study. The level of pain will be evaluated using the PAINAD scale. Moreover, pain biomarkers, in particular secretory IgA and soluble tumour necrosis factor receptor type II, will be determined in saliva. Both assessments will be conducted in 75 patients aged over 65 years with advanced cognitive impairment and inability to communicate. The PAINAD scores will be correlated with the levels of these biomarkers of pain. A control group consisting of 75 healthy subjects aged over 65 years will be included in the study. Moreover, sociodemographic variables and variables related to pain, dementia and other clinical conditions will be recorded. The analysis will be performed with the statistical package SPSS V.22 and the software R.Ethics and disseminationThe study has been reviewed and approved by the Andalusian Human Research Ethics Committee. In addition, this study has been financed by the Junta de Andalucía through a regional health research fund (Research code: PI-0357–2017). The results will be actively disseminated trough a high-impact journal in our study area, conference presentations and social media.
ISSN:2044-6055
2044-6055
DOI:10.1136/bmjopen-2019-032927