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Development of complex interventions in stroke care: a systematic review
Judith Redfern1, Christopher McKevitt, Charles D A Wolfe
1Division of Health & Social Care Research, Kings College London, 7th Floor Capital House, 42 Weston St, London SE1 3QD, UK. Judith.m.redfern@kcl.ac.uk
Stroke
|August 12, 2006
Summary
Few complex stroke interventions are well-developed or evaluated, hindering efficacy demonstration. Future research requires stronger theoretical foundations and methodological rigor for effective stroke care interventions.
Area of Science:
- Neuroscience
- Public Health
- Health Services Research
Background:
- Stroke care is complex, involving professionals, patients, and carers.
- Developing effective interventions for stroke care is challenging.
- The Medical Research Council (MRC) Framework guides complex intervention development.
Purpose of the Study:
- To review complex interventions in stroke care using the MRC Framework.
- To assess the development and evaluation of nonpharmacological interventions for stroke.
- To identify gaps in the evidence base for stroke care interventions.
Main Methods:
- Systematic review utilizing comprehensive search strategies.
- Application of the MRC Framework for study selection and quality assessment.
- Definition of complex interventions as educational/psychosocial strategies.
Main Results:
- Sixty-seven studies were reviewed (39 RCTs, 28 other designs).
- Interventions targeted healthcare professionals, patients, carers, and the general population.
- Prevention studies were less likely RCTs; RCTs showed lower primary outcome influence than other designs.
- Few interventions had strong theoretical grounding or adequate statistical power.
Conclusions:
- Many complex stroke interventions lack adequate development and evaluation.
- Insufficient theoretical grounding and methodological quality may explain efficacy failures.
- Enhanced theoretical development and methodological rigor are crucial for future stroke interventions.