- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01150825
Feasibility of High Frequency QRS Analysis in Patients With Acute Myocardial Infarction
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
Chest pain is one of the leading reasons of hospital emergency department (ED) visits worldwide. In the US, approximately 6 million people annually undergo evaluation in the ED for acute chest pain. Despite the wealth of knowledge available about acute coronary syndrome (ACS), this condition continues to be among the most difficult to predict or diagnose. Misdiagnoses may lead to discharge of patients with ACS, who should have been admitted as well as costly unnecessary hospitalizations of patients who do not have ACS.
More than 2/3 of the patients with ACS have unstable angina (UA) or non-ST-elevation myocardial infarction (NSTEMI). Conventional ECG has low sensitivity of less than 50% in diagnosing these conditions. As the initial ECG in the ED is often non-diagnostic in ACS patients, the diagnosis of ST-elevation myocardial infarction (STEMI) during its early stages may also be difficult.
Analysis of high-frequency QRS components (HFQRS), which quantifies changes in the depolarization phase of the cardiac cycle, has been previously reported to be a sensitive method for detection of demand ischemia. Preliminary studies have shown that HFQRS-derived indices can also identify supply ischemia caused by prolonged balloon occlusion, and transient ischemic episodes in patients with chest pain.
Undersøgelsestype
Tilmelding (Forventet)
Kontakter og lokationer
Studiesteder
-
-
-
Beer Sheva, Israel, 84101
- Rekruttering
- Soroka University Medical Center
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Age > 40 years (men and women)
- Time from onset of chest pain ≤ 12h
- AMI confirmed by biomarkers
- Clinical or electrocardiographic evidence of ischemia during recording
- Signed an informed consent
Exclusion Criteria:
- Prior MI
- Prior CABG
- pre-excitation syndrome (e.g. WP)
- Atrial Fibrillation or significant ventricular arrhythmia
- BBB, intraventricular conduction delay or QRS duration > 120 ms
- Implanted pacemaker or defibrillator
- Left-ventricular hypertrophy
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
---|
STEMI
Patients with ST segment elevation myocardial infarction, verified by elevated troponin levels
|
NSTEMI
Patients with non-ST segment elevation myocardial infarction, verified by elevated levels of troponin
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Diagnosis of Acute Myocardial Infarction
Tidsramme: Prior to hospitalization release
|
The primary end-point of the study is diagnosis of acute myocardial infarction, based on cardiac biomarkers, ECG changes clinical symptoms and coronary angiography.
|
Prior to hospitalization release
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
HFQRS analysis for detecting NSTEMI
Tidsramme: Post data processing
|
To evaluate the usefulness of HFQRS analysis in early detection of non-ST segment elevation myocardial infarction (NSTEMI).
|
Post data processing
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: Doron Zahger, MD, Soroka University Medical Center
Publikationer og nyttige links
Hjælpsomme links
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- ER_02_5023
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .
Kliniske forsøg med Myokardieinfarkt
-
Sichuan Provincial People's HospitalTilmelding efter invitationRest Gated Myocardial Perfusion Imaging ved hjertesvigtKina
-
Azienda Ospedaliero Universitaria Maggiore della...Università degli Studi del Piemonte Orientale "Amedeo Avogadro"Rekruttering
-
Peking University Third HospitalAfsluttet
-
Stanford UniversitySuspenderetMyocardial brodannelseForenede Stater
-
Izmir Bakircay UniversityAfsluttetMyokardiebro af kranspulsårenKalkun
-
Fondazione Policlinico Universitario Agostino Gemelli...Afsluttet
-
ITAB - Institute for Advanced Biomedical TechnologiesAzienda Ospedaliero, Universitaria Ospedali RiunitiAfsluttetMyokardiebro af kranspulsårenItalien
-
Centre Hospitalier Sud FrancilienAfsluttetAkut anterior koroidal infarkt (ACI) | Paramedian Pontine Infarction (IPP)Frankrig
-
RenJi HospitalAfsluttetSomatisk symptomlidelse | MyokardiebroKina
-
Imperial College LondonGuy's and St Thomas' NHS Foundation Trust; University Hospital Southampton... og andre samarbejdspartnereRekrutteringSlag | Neurokognitiv dysfunktion | Silent Cerebral Infarction | Vaskulær hjerneskadeDet Forenede Kongerige