Live Stream of Prehospital point-of Care Ultrasound by Air Rescue Physicians

Study Overview
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Brief Summary
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Background: Point-of-care ultrasound (POCUS) has been suggested as a useful tool in emergency medicine for diagnosis and treatment of reversible causes. However, in prehospital setting performing ultrasound and the translation of the findings can be challenging. As new prehospital ultrasound devices offer the possibility for remote supervision, the impact of tele-supervision on time to diagnosis of critically ill patients is unclear. Aims: The aim of this study is to evaluate the impact of tele-supervision on the time of POCUS in prehospital critically ill patients by air rescue physicians. Methods: In total 100 critically ill patients suffering from acute dyspnoea, circulatory failure or trauma, which are treated by air rescue physicians will be included in this study. Duration of ultrasound performance as well as altered treatment strategies will be analyzed.

Official Title
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Live Stream of Prehospital point-of Care Ultrasound by Air Rescue Physicians

Conditions
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Echocardiography, Telemedicine

Intervention / Treatment
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* Other: Point-of-care ultrasound with tele-supervision
* Other: Point-of-care ultrasound without tele-supervision


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Critically ill patients suffering from acute dyspnoea, circulatory failure or trauma will be included. Patients with acute dyspnoea will be included, if they show at least one of the two following signs of respiratory failure: Respiratory rate > 20 breaths per minute Peripheral oxygen saturation without oxygen supplementation < 90% Patients with acute circulatory failure will be included, if they show at least one of the following signs: Hypotension (systolic blood pressure <90mmHg) Altered tissue perfusion (cold, clammy, mottling skin or altered mental status) Trauma patients will be included, if at least one cause is suspected: Intraabdominal fluid Intrathoracic free fluid Pneumothorax Exclusion Criteria: age under 18 if POCUS will lead to a delay of live-saving treatment or transportation

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Point-of-care ultrasound with tele-supervision<br>Point-of-care ultrasound of critically ill patients (acute dyspnoea, circulatory failure, trauma) will be performed with tele-supervision. | Other: Point-of-care ultrasound with tele-supervision<br>* Point-of-care ultrasound of critically ill patients (acute dyspnoea, circulatory failure, trauma) will be performed with tele-supervision.<br>|
| Point-of-care ultrasound without tele-supervision<br>Point-of-care ultrasound of critically ill patients (acute dyspnoea, circulatory failure, trauma) will be performed without tele-supervision. | Other: Point-of-care ultrasound without tele-supervision<br>* Point-of-care ultrasound of critically ill patients (acute dyspnoea, circulatory failure, trauma) will be performed with tele-supervision.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Duration of prehospital ultrasound between POCUS with or without tele-supervision | duration of prehospital ultrasound between POCUS with tele-supervision and POCUS without tele-supervision in critically ill patients (acute dyspnoea, circulatory failure, trauma). | through study completion, an average of 1 year | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Alteration of treatent strategies | Investigating the impact of POCUS with tele-supervision in comparison to POCUS without tele-supervision on alteration of treatment strategies. | through study completion, an average of 1 year | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Ultrasound diagnostics, Prehospital emergency medicine