Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
9 participants
OBSERVATIONAL
2021-03-04
2023-08-31
Brief Summary
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Detailed Description
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Critically unwell children often require infusions of essential, life-saving medications during episodes of transport. Disruption of these infusions can be destabilising and even life-threatening. Examples of essential infusions include the use of prostin in duct-dependent congenital heart disease, vasoactive/inotropic medications in shock and sedation and muscle relaxants to ensure comfortable, safe transfer.
Critically unwell patients often require support in the form of inotropes/vasopressors to support cardiac contractility and alter vascular tone and are commonly used in the treatment of shock. Physiological response to vasoactive/inotropic drugs is rapid and measurable in terms of cardiovascular status through observing changes in heart rate, blood pressure and oxygenation of peripheral tissues (pulse oximetry). As such these medications offer the potential to observe whether syringe driver delivery variations as mediated through the effect of g-forces exert measurable physiological instability in transported patients.
G-Forces Pilot is a prospective, observational, case-control, feasibility study investigating the effect of G-forces as measured by an accelerometer against physiological parameters of heart rate, invasive blood pressure measurement and oxygen saturations in vivo during episodes of transport. The study aims to understand the relationship between the physics of transport on physiological parameters and to assess whether syringe driver delivery (previously demonstrated to be affected by G-forces in-vitro), is responsible for physiological variations in transported patients requiring vasoactive/inotropic infusions.
The investigators propose to examine this relationship by obtaining and analysing data on physiological parameters in patients during episodes of transport to assess:
(i) Whether G-forces experienced by being in a moving ambulance affect the stability of patient physiological parameters.
(ii) How variations in syringe driver delivery mediated through the effects of G-Forces affect patients in transit as evidenced through instability in physiological parameters whilst receiving vasoactive/inotropic infusions.
This will be examined by the comparison of a control and study group. The control group will consist of patients with full monitoring (including an arterial line), without vasoactive/inotropic support. The study group will consist of patients with full monitoring (including an arterial line) receiving vasoactive/inotropic support through a syringe driver. Data analysis will assess the strength of correlation between patient observations and experienced g-forces recorded during the episode of transport to answer the study question.
Conditions
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Study Design
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CASE_CONTROL
PROSPECTIVE
Study Groups
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Control Group
Transported patients with full monitoring (including an arterial line), without inotropic/vasoactive support.
No interventions assigned to this group
Study Group
Transported patients with full monitoring and vasoactive/inotropic support being delivered by a syringe driver.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
(ii) Children who do not have invasive arterial blood pressure monitoring during a transport episode.
(iii) Any case where patients, parents or guardians elect to opt out of data analysis.
18 Years
ALL
No
Sponsors
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Nottingham University Hospitals NHS Trust
OTHER
Responsible Party
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Principal Investigators
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Peter Shires, BMBS BMedSci
Role: STUDY_CHAIR
NUH, NHS
Locations
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Nottingham University Hospitals NHS Trust
Nottingham, Nottinghamshire, United Kingdom
Countries
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Other Identifiers
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20CS032
Identifier Type: -
Identifier Source: org_study_id