Impact of Non-medicalized ECG Practices Initiated by SAMU in Dispatch Strategies

NCT07144059 | Not Yet Recruiting

• 1 other identifier: 2025/0017
• Study Type: observational
• Target: 350
• Locations: 0 countries
• Sites: N/A

Brief Summary

The performance of an ECG by non-medicalized prehospital teams (firefighters, first responders, paramedic ambulances) is developing across the territory to cope with the increasing demand (SAMU calls) for a service that cannot meet it (limited Mobile Emergency and Resuscitation Unit - SMUR - teams). Early diagnosis of acute coronary syndrome is key to appropriate management. A delay in care can quickly lead to complications ranging from rhythm disorders to cardiac arrest. Furthermore, as with reperfusion in strokes, the earlier reperfusion treatment is initiated, the greater the beneficial effect in ST-segment elevation myocardial infarction (STEMI). Moreover, the main elements for diagnosing STEMI in the prehospital setting remain the ECG, along with the anamnesis (medical history) and clinical examination (typical pain). This is an observational, retrospective and single-center study (SAMU 91) carried out between September 1, 2023 and December 31, 2024. The inclusion criteria for our study were adult patients who had been regulated by SAMU 91 during a primary intervention and who had ST+ ACS registered in the eMUST registry. The main objective was to study the difference in the admission times of patients admitted to the emergency intensive care unit of cardiology or coronary angiography and presenting with ST+ ACS on the ECG performed by a primary SMUR team versus a non-medical team referred by the SAMU. The secondary objectives were to study the descriptive variables between the two groups (SMUR and non-medicalized vector), the typicity of pain, the mortality rate and the morbidity rate between the two groups.

Conditions

Acute Coronary Syndromes

Keywords

Acute coronary syndrome; infarct; STEMI; Electrocardiogram (ECG); Coronary angiography; SAMU; SMUR; Non-medical vectors

Outcome Measures

Primary Outcomes (1)

• Time to Coronary Angiography or Cardiology Intensive Care Admission

  Time between the time of the call for help and the arrival in the coronary angiography department or cardiology intensive care unit

  day 0

Study Arms (2)

EMS Vector

Patients who had the qualifying ECG by the SMUR after medical interrogation by the SAMU

Other: ECG by the SMUR after medical interrogation by the SAMU

ECG Vector: SP/Ambulances

Patients who have called the emergency services with either an ECG performed by a non-medical vector (SP or ambulance), or a decision to reinforce SMUR during the first aid assessment

Other: ECG performed by a non-medical vector

Interventions

ECG by the SMUR after medical interrogation by the SAMU OTHER

Patients who had the qualifying ECG by the SMUR after medical interrogation by the SAMU

EMS Vector

ECG performed by a non-medical vector OTHER

Patients who have called the emergency services with either an ECG performed by a non-medical vector (SP or ambulance), or a decision to reinforce SMUR during the first aid assessment

ECG Vector: SP/Ambulances

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

All patients regulated by the SAMU 91 in primary intervention in the Essonne department with ST+ ACS and admitted to the ICU or coronary angiography department

You may qualify if:

• Adult patient
• Patient regulated by the SAMU 91 between 09/2023 and 12/2024
• Patient referred for coronary angiography for ST+ ACS
• Patient registered in the E-Must register (Registry for the Evaluation in Emergency Medicine of Therapeutic Strategies for Myocardial Infarction of less than 24 hours treated by the SAMU/SMUR of Île-de-France)

You may not qualify if:

• Secondary transport

Sponsors & Collaborators

• Centre Hospitalier Sud Francilien: lead

MeSH Terms

Conditions

Acute Coronary Syndrome; Infarction; ST Elevation Myocardial Infarction

Condition Hierarchy (Ancestors)

Myocardial Ischemia; Heart Diseases; Cardiovascular Diseases; Vascular Diseases; Ischemia; Pathologic Processes; Pathological Conditions, Signs and Symptoms; Necrosis; Myocardial Infarction

Study Officials

• Patrick HU, MD

  Centre Hospitalier Sud Francilien

  STUDY DIRECTOR

Central Study Contacts

Laurenne PARIS, MD

CONTACT

01 69 13 95 79; laurenne.paris@chsf.fr

Caroline TOURTE

CONTACT

01 61 69 31 50; caroline.tourte@chsf.fr

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: RETROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: August 20, 2025
• First Posted: August 27, 2025
• Study Start: February 1, 2026
• Primary Completion (Estimated): December 31, 2026
• Study Completion (Estimated): December 31, 2026
• Last Updated: December 16, 2025

Record last verified: 2025-12

Data Sharing

• IPD Sharing: Will not share