Ambulance 'Hypos Can Strike Twice' Study

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Research question What is the effect on repeat ambulance calls and attendances for hypoglycaemia and what are the costs and consequences of implementing the 'Hypo's can strike twice' intervention to patients with diabetes and hypoglycaemia attended by East Midlands Ambulance Service NHS Trust in the...

Research question What is the effect on repeat ambulance calls and attendances for hypoglycaemia and what are the costs and consequences of implementing the 'Hypo's can strike twice' intervention to patients with diabetes and hypoglycaemia attended by East Midlands Ambulance Service NHS Trust in the East Midlands region of the UK? Background Severe hypoglycaemia (defined as cognitive impairment severe enough to require external assistance for recovery) frequently requires an ambulance resulting in Emergency Department attendance or hospital admission. Severe hypoglycaemia constitutes around 1% of 1.7 million emergency ambulance calls in England and Scotland resulting in 100 thousand paramedic attendances and estimated costs in England of £13.6 million annually. Hypoglycaemia is associated with adverse consequences including higher mortality, morbidity and health service costs due to hospital attendance/admission. It is also frightening for both patients and relatives and impairs quality of life and productivity, leading to poor long term control. Aims and objectives Aim: To evaluate the effect of implementing the 'Hypo's can strike twice' intervention to patients with diabetes and hypoglycaemia attended by East Midlands Ambulance Service NHS Trust in the East Midlands region. "Hypos can strike twice" is a complex intervention involving ambulance staff providing treatment and advice to people who have had a hypoglycaemic attack to access follow-up care by the GP or specialist diabetes team as detailed in national ambulance (JRCALC) clinical guidelines supported by the provision of a "Hypos can strike twice" booklet which the patient can read when they are fully recovered from the cognitive and other effects of the hypoglycaemic episode. Objectives To investigate the effect of implementing the 'Hypo's can strike twice' on: Repeat ambulance calls and attendances for hypoglycaemia Recorded referrals to an appropriate healthcare professional (e.g. GP, nurse). Completed care bundle for hypoglycaemia (proportion of patients with all of blood glucose recorded before treatment, blood glucose recorded after treatment and treatment given for hypoglycaemia. Costs of implementation 'Hypo's can strike twice' intervention vs costs of health service resource use. To conduct a process evaluation to explore how 'Hypo's can strike twice' exerts its effects and can be scaled up if effective by understanding implementation, mechanisms of impact, and contextual factors using interviews and surveys Methods Non-randomised stepped wedge design with mixed-methods process evaluation.

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