External Validation of the SCARE Score

Chest pain is a very common reason for resorting to the call center. The etiologies are very varied, ranging from benign pathologies to some that may involve, in the short term, the vital prognosis such as Acute Coronary Syndrome (ACS). ACS is a partial or complete occlusion of a coronary artery that causes potentially irreversible myocardial pain unless prompt treatment is undertaken. ACS represents 120 000 cases per year in France and causes about 18 000 deaths. There is currently no support score for the assessment of chest pain. However, reducing the duration of management of ACS is essential in order to hope to reduce the associated morbidity and mortality. In 2016, SAMU45's team established a predictive ACS score for the assessement of chest pain in SAMU 45 (France) based on the prospective study of 1367 patients. Seven items significantly associated with this risk of ACS could be highlighted: age, sex, smoking, typicality (potentially constrictive chest pain radiating potentially to the shoulders and / or jaw) pain, inaugural character of pain (ie first episode of this type), presence of sweats and the physician's belief to be in the presence of an ACS. These seven variables make up the SCARE score. This had good internal discrimination (AUC at 0.81) and excellent calibration ("p" of Hosmer-Lemeshow at 0.74). This score makes it possible to stratify the risk of ACS, by using epidemiological elements but also the physician's belief, whose Negative Predictive Value (VPN) proved excellent.

The objective of this new project is to confirm by an external validation via a multicentric study the robustness of this score and thus be able to consider its use in front of any chest pain regulated in France by a call center.

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Key information

Conditions

Assessment ACS - Acute Coronary Syndrome Acute Coronary Syndrome Cardiovascular Diseases Chest Pain Heart Diseases Myocardial Ischemia Neurologic Manifestations Pain Pathological Conditions, Signs and Symptoms Signs and Symptoms Vascular Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

CHU Angers, Angers, France

About this study

The main objective is to validate the predictive SCARE score of acute coronary syndrome during the medical assessment of chest pain. The primary endpoint will be SCARE score analysis (pre-established in 2016) with assessment of its calibration (Hosmer Lemeshow) and discrimination (AUC) in a multicenter population of chest pain with a potential diagnosis of Acute Coronary Syndrome established according to the European Society of Cardiology criteria.

This is a multi-center study including any patient over 18 years of age calling call center for chest pain over a period of six months. It will exclude post-traumatic chest pain, patients under 18 years old, patients who do not speak French, patients refusing to participate in the study or refusing treatment, patients not affiliated to social security, patients incarcerated in a penitentiary center, patients under tutorship, curatorship or safeguard of justice.

The collection of data will be carried out thanks to files filled prospectively by the medical physician for each call for the reason of a chest pain. These cards will list the epidemiological data (age, sex, weight, height) and clinical data of each patient, as well as the decision and the resources committed by the regulating physician (hospital care via SMUR or ambulance, treatment in city medicine). For hospitalized patients, the diagnosis of ACS will be retained if the patient meets the criteria defined by the European Society of Cardiology. For patients managed in ambulatory medicine, a telephone call to the patient will be made at one month to obtain the diagnosis.

Then, the SCARE score will be analized in this multicenter population with evaluation of its calibration (Hosmer Lemeshow) and discrimination (AUC). The characteristic performances of the score (sensitivity, specificity, PPV, NPV, positive and negative likelihood ratios)will also be analized.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Any patient over the age of 18 calling call center for chest pain

No-inclusion Criteria:

Posttraumatic chest pain,
Age under 18,
Patient not speaking French,
Patient refusing to participate in the study or refusing care
Patient not affiliated with social security,
Patients incarcerated in a penitentiary center,
Patients under guardianship, curatorship or safeguard of justice.

Exclusion criteria

Patient refusing to participate in the study or refusing care

Treatment and study plan

SCARE Score

Other

Predictive Score of acute coronary syndrome during the medical assessment of chest pain

Primary outcomes

SCARE score with evaluation of its calibration and its discrimination in a multicentric population

Time frame: up to one month

Data will be collected during each patient's call for chest pain. Epidemilogical data (age, sex, weight, height) and clinical data will be collected, as well as the decision and the ressources committed by the regulating physician. For hospitalized patients, the diagnosis of acute coronary sydrom will be retained if patient meets the criteria defined by the European Society of Cardiology. For patients managed in ambulatory médicine, a telephone call to the patient will be made at one month in order to obtain the diagnosis.

Sponsors and collaborators

Lead sponsor

Centre Hospitalier Régional d'Orléans

Other

Registry information

Official study title

Validation of the SCARE Score, Predictive Score of Acute Coronary Syndrome During the Assessment of Chest Pain in the Call Center.

Acronym: SCARE

Important dates

Study start: 2019
Primary completion: 2020
Study completion: 2020
First posted: Jun 27, 2019
Registry last updated: Sep 1, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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Completed