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The purpose of this retrospective study is to analyze quality and adverse events of analgesia by telemedically supported paramedics in comparison to conventional treatment by on-scene emergency medical service (EMS) physicians in the EMS of the city of Aachen, Germany.
The standard emergency medical service (EMS) in Germany consists of a two-tiered system with ambulances (paramedics) and prehospital EMS physician units. For example, legal conditions restrict opioid-based analgesia to physicians. Based on pre-defined standards regional emergency dispatch centers deploy both kinds of emergency units.
In recent years telemedicine emerged as a complementary system in EMS that may provide remote medical expertise and sustain or even improve quality of medical treatment on-scene. Particularly, based on the results of the projects Med-on-@ix and TemRas (telemedical rescue assistance system), emergency telemedical services were gradually implemented in daily routine of the EMS of the city of Aachen, Germany.
In this retrospective study the quality and adverse events of analgesia by telemedically supported paramedics shall be compared to conventional treatment by on-scene EMS physicians in the EMS of the city of Aachen, Germany.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| telemedicine group | physician operated telemedical prehospital analgesia |
| |
| historical control group | prehospital analgesia by on-scene EMS physicians |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| physician operated telemedical prehospital analgesia | Procedure | Ambulances in the EMS of the city of Aachen are equipped with a portable telemedicine system. In emergencies requiring intravenous analgesia paramedics can use this system to contact the tele-EMS physician with an audio-connection. Vital parameters (e.g., ECG, pulse oximetry, non-invasive blood pressure) can be transferred in real-time. The transmission of still pictures - taken with an official smartphone - and video streaming from the inside of the ambulance are also possible. The tele-EMS physician supports the paramedics and can delegate the application of morphine and other analgesics based on two predefined algorithms for trauma and non-trauma cases that are displayed on a context-sensitive telemedical documentation system in the teleconsultation center. |
| Measure | Description | Time Frame |
|---|---|---|
| Quality of analgesia | Decrease of value on the Numerical Rating Scale (NRS; 0-10). The NRS is applied at initial contact with the patient and at the end of the mission. | Time span of the respective prehospital emergency case treatment; on average a time interval of 30 - 120 minutes for each case. |
| Measure | Description | Time Frame |
|---|---|---|
| Rate of adverse events | Respiratory and/or circulatory insufficiency and/or severe allergic reactions | Time span of the respective prehospital emergency case treatment; on average a time interval of 30 - 120 minutes for each case. |
| Administered analgesics and their dosages |
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Inclusion Criteria:
Exclusion Criteria:
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Patients requiring prehospital pain treatment in the EMS of the city of Aachen
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| Name | Affiliation | Role |
|---|---|---|
| Rolf Rossaint, Professor, MD | University Hospital, Aachen | Study Chair |
| Sebastian Bergrath, MD | University Hospital, Aachen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Aachen | Aachen | 52074 | Germany |
No additional research benefits.
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|
| prehospital analgesia by on-scene EMS physicians | Procedure | This (control) group represents the conventional treatment in German emergency medical service (EMS). In addition to an ambulance manned with paramedics, a prehospital EMS physician is deployed to conduct analgesic treatment on-scene. Treatment data for this group are selected from the time period before implementing teleconsultation in routine and therefore represent a historical control group. |
|
| Time span of the respective prehospital emergency case treatment; on average a time interval of 30 - 120 minutes for each case. |
| Number of patients with documented analgesia related (safety-) parameters (evaluated for each safety parameter separately) | Documentation of analgesia related parameters: heart rate (beats per minute), blood pressure (mmHg), oxygen saturation (0-100%), respiratory rate (respirations per minute), Glasgow coma scale (Numerical values 3 to 15), The above named parameters should be documented by EMS teams at first medical contact and at patient handover in the emergency room. | Time span of the respective prehospital emergency case treatment; on average a time interval of 30 - 120 minutes for each case. |
| Occurrence of nausea and vomiting | Time span of the respective prehospital emergency case treatment; on average a time interval of 30 - 120 minutes for each case. |
| ID | Term |
|---|---|
| D000377 | Agnosia |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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