Are the current pain assessment tools used by paramedics in Ireland, suitable for use with cognitively impaired (dementia) patients?

Liam Rooney

DOI: http://dx.doi.org/10.32378/ijp.v3i2.143

Abstract

Background

Dementia is a disease affecting 55,000 Irish people. (1)  It is characterised by progressive cognitive impairment, ranging from mild impairment, which may affect memory, to severe impairment where the ability to communicate may be absent.  These people are at risk of having their pain underassessed and undermanaged. (2)  A survey exploring Irish Paramedics and Advanced Paramedics views on the current pain assessment tools available to them, and whether these tools are suitable for use with dementia patients is proposed.  Existing observational pain assessment tools used with dementia patients are examined and their suitability for pre-hospital use discussed.

Introduction

Adults with cognitive impairments, such as dementia, are at a much higher risk of not receiving adequate analgesia for their pain. (3)  It is estimated between 40% and 80% of dementia patients regularly experience pain. (4)  Current pain assessment tools used pre-hospital in Ireland are: Numerical Rating Scale for patients >8yrs, Wong Baker Scale for pediatric patients and the FLACC Scale for infants.  There is no specific pain assessment tool for use with patients who are not capable of self-reporting their level of pain.

Objective

This research aimed to identify observational pain assessment tools used in this cohort.  The most consistently recommended tools were identified.  The suitability of these tools for use in the pre-hospital setting assessed.

Findings

Literature review identified 29 observational pain assessment tools. There is a lack of literature relating to the pre-hospital setting.  The American Geriatric Society (AGS) identified six pain behaviors in dementia patients, changes in facial expression, activity patterns, interpersonal relationships and mental status, negative vocalisation, change in body language.  These six criteria should be the foundation of any pain assessment tool. (5) The three most consistently recommended tools identified were as follows:

Abbey Pain Scale

6 items assessed, meets AGS criteria, quick and easy to implement, moderate to good reliability and validity (6)

Doloplus 2

15 items assessed, meets 5 of 6 AGS criteria, requires observation over time, prior knowledge of patient required, moderate to good reliability and validity (6)

PAINAD

5 items assessed, meets 3 of 6 AGS criteria, less then 5 minutes to implement, may be influenced by psychological distress, good reliability and validity (6)

 

Conclusion

The ability to self report pain is deemed “gold standard”.  Patients with mild to moderate disease, and indeed, some with severe disease, may retain the ability to self report.  An observational tool is required when dementia has progressed to the point where the patient becomes unable to self report or becomes non-verbal.  It is in these patients where undetected, misinterpreted or inaccurate assessment of pain becomes frequent. (7)  The aim of any tool is to gain a good assessment of pain, however, the pain scale used should be suitable to the clinical setting.  The feasibility of an assessment tool is an important factor along with reliability and validity.  No one assessment tool could be recommended over another.  Abbey and PAINAD have potential for use pre-hospital, however, further research, clinical evaluation and trial in an ambulance service is required.


Keywords

Paramedic; Pain Assessment; Dementia

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References

Pierce, M., Cahill, S. and O'Shea, E. (2014). Prevalence and Projections of Dementia in Ireland, 2011 - 2046. Dublin: Trinity College Dublin, National University of Ireland Galway and Genio.

Hwang, U., Richardson, L., Harris, B. and Morrison, R. (2010). The Quality of Emergency Department Pain Care for Older Adult Patients. Journal of the American Geriatrics Society, 58(11), pp.2122-2128.

Somes, J. and Donatelli, N. (2013). Pain Assessment in the Cognitively Impaired or Demented Older Adult. Journal of Emergency Nursing, 39(2), pp.164-167.

Jones, J., Sim, T. and Hughes, J. (2017). Pain Assessment of Elderly Patients with Cognitive Impairment in the Emergency Department: Implications for Pain Management—A Narrative Review of Current Practices. Pharmacy, 5(2), p.30.

Panel on Persistent Pain in Older Persons (2002). The Management of Persistent Pain in Older Persons. Journal of the American Geriatrics Society, 50(S6), pp.205-224.

Lichtner, V., Dowding, D., Esterhuizen, P., Closs, S., Long, A., Corbett, A. and Briggs, M. (2014). Pain assessment for people with dementia: a systematic review of systematic reviews of pain assessment tools. BMC Geriatrics, 14(1).

McAuliffe, L., Nay, R., O’Donnell, M. and Fetherstonhaugh, D. (2008). Pain assessment in older people with dementia: literature review. Journal of Advanced Nursing, 65(1), pp.2-10.



DOI: http://dx.doi.org/10.32378/ijp.v3i2.143

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