Training nurses in a competency framework to support adults with epilepsy and intellectual disability: the EpAID cluster RCT

Howard Ring, James Howlett, Mark Pennington, Christopher Smith, Marcus Redley, Caroline Murphy, Roxanne Hook, Adam Platt, Nakita Gilbert, Elizabeth Jones, Joanna Kelly, Angela Pullen, Adrian Mander, Cam Donaldson, Simon Rowe, James Wason, Fiona Irvine

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Abstract

Background
People with an intellectual (learning) disability (ID) and epilepsy have an increased seizure frequency, higher frequencies of multiple antiepileptic drug (AED) use and side effects, higher treatment costs, higher mortality rates and more behavioural problems than the rest of the population with epilepsy. The introduction of nurse-led care may lead to improvements in outcome for those with an ID and epilepsy; however, this has not been tested in a definitive clinical trial.

Objective
To determine whether or not ID nurses, using a competency framework developed to optimise nurse management of epilepsy in people with an ID, can cost-effectively improve clinical and quality-of-life outcomes in the management of epilepsy compared with treatment as usual.

Design
Cluster-randomised two-arm trial.

Setting
Community-based secondary care delivered by members of community ID teams.

Participants
Participants were adults aged 18–65 years with an ID and epilepsy under the care of a community ID team and had had at least one seizure in the 6 months before the trial.

Interventions
The experimental intervention was the Learning Disability Epilepsy Specialist Nurse Competency Framework. This provides guidelines describing a structure and goals to support the delivery of epilepsy care and management by ID-trained nurses.

Main outcome measures
The primary outcome was the seizure severity scale from the Epilepsy and Learning Disabilities Quality of Life questionnaire. Measures of mood, behaviour, AED side effects and carer strain were also collected. A cost–utility analysis was undertaken along with a qualitative examination of carers’ views of participants’ epilepsy management.

Results
In total, 312 individuals were recruited into the study from 17 research clusters. Using an intention-to-treat analysis controlling for baseline individual-level and cluster-level variables there was no significant difference in seizure severity score between the two arms. Altogether, 238 complete cases were included in the non-imputed primary analysis. Analyses of the secondary outcomes revealed no significant differences between arms. A planned subgroup analysis identified a significant interaction between treatment arm and level of ID. There was a suggestion in those with mild to moderate ID that the competency framework may be associated with a small reduction in concerns over seizure severity (standard error 2.005, 95% confidence interval –0.554 to 7.307; p¿=¿0.092). However, neither subgroup showed a significant intervention effect individually. Family members’ perceptions of nurses’ management depended on the professional status of the nurses, regardless of trial arm. Economic analysis suggested that the competency framework intervention was likely to be cost-effective, primarily because of a reduction in the costs of supporting participants compared with treatment as usual.

Limitations
The intervention could not be delivered blinded. Treatment as usual varied widely between the research sites.

Conclusions
Overall, for adults with an ID and epilepsy, the framework conferred no clinical benefit compared with usual treatment. The economic analysis suggested that there may be a role for the framework in enhancing the cost-effectiveness of support for people with epilepsy and an ID. Future research could explore the specific value of the competency framework for those with a mild to moderate ID and the potential for greater long-term benefits arising from the continuing professional development element of the framework.

Trial registration
Current Controlled Trials ISRCTN96895428.

Funding
This trial was funded by the NIHR Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 22, No. 10. See the NIHR Journals Library website for further project information.

Original languageEnglish
JournalHealth Technology Assessment
Volume22
Issue number10
DOIs
Publication statusPublished - 28 Feb 2018

Keywords

  • competency framework
  • nursing
  • training
  • epilepsy
  • intellectual disabilities

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