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Death, Sudden, Cardiac clinical trials

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NCT ID: NCT03837574 Recruiting - Clinical trials for Congenital Heart Disease

French National Registry of Patients With Tetralogy of Fallot and Implantable Cardioverter Defibrillator

DAI-T4F
Start date: December 1, 2010
Phase:
Study type: Observational [Patient Registry]

National french registry of patients with tetralogy of Fallot and implantable cardioverter defibrillator.

NCT ID: NCT03833843 Recruiting - Clinical trials for Congenital Heart Disease

Sudden Cardiac in Systemic Right Ventricle

STARSII
Start date: September 1, 2018
Phase:
Study type: Observational

In complete transposition of the great arteries (TGA) with previous atrial switch repair, and congenitally corrected transposition of the great arteries (ccTGA), the morphological right ventricle and its tricuspid valve continue to support the systemic circulation. This results in late complications including including sudden death. This retrospective multicentric study aims to evaluate the prevalence of SCD in a contemporary population of patients with a systemic RV and identify specific risk factors for SCD and hemodynamically significant ventricular arrhythmia This registry records demographics, clinical, imaging data, electrophysiological and laboratory of patients with a sRV and a transposition of the great arteries Primary end points are defined by sudden cardiac death, near-miss sudden death, as well as sustained VT requiring defibrillation.

NCT ID: NCT03826524 Not yet recruiting - Clinical trials for Ventricular Fibrillation

Epinephrine Dose: Optimal Versus Standard Evaluation Trial

EpiDOSE
Start date: October 2019
Phase: Phase 4
Study type: Interventional

The objective of this randomized controlled trial is to evaluate the effectiveness of a low cumulative dose of epinephrine compared to a standard cumulative dose of epinephrine during resuscitation from ventricular fibrillation (VF) or ventricular tachycardia (VT) in adult out-of-hospital cardiac arrest (OHCA) patients.

NCT ID: NCT03801681 Recruiting - Heart Failure Clinical Trials

ARrhythmias in MYocarditis

ARMY
Start date: November 1, 2018
Phase:
Study type: Observational [Patient Registry]

Myocarditis promotes the occurrence of serious cardiac arrhythmias and conduction disorders which may lead to sudden cardiac death, the need for catheter ablation of arrhythmia or implantation of a cardioverter-defibrillator or pacemaker. The aim of the study is to fill the evidence gap regarding the type and burden of arrhythmias in patients with myocarditis and their correlation with clinical parameters, biomarkers and additional tests. During a multi-center observational study, patients will be subjected to prolonged ECG monitoring. As a result, a risk scale will be created that can facilitate the identification of patients with an increased risk of arrhythmia and further specifying recommendations for therapeutic management.

NCT ID: NCT03784586 Active, not recruiting - Clinical trials for Sudden Cardiac Death

Sudden Cardiac Death Stratification in Myotonic Dystrophy Type 1 Patients

Start date: February 1, 2012
Phase:
Study type: Observational

The aim of the study is to evaluate if the electrophysiological study (EPS) guided therapy, including the prophylactic implantation of implantable cardioverter defibrillator (ICD), in inducible patients, is able to improve survival in comparison with conventional therapy (CONV strategy) in Myotonic Dystrophy type 1 patients with conduction disorders.

NCT ID: NCT03725826 Completed - Clinical trials for Acute Myocardial Infarction (AMI)

Risk Stratification After Acute Myocardial Infarction With Cardiac MRI

CR-2280
Start date: May 2013
Phase:
Study type: Observational

Given the existing controversy regarding the appropriate determination time for placement of implantable cardioverter-defibrillator (ICD) in patients at risk for sudden cardiac death (SCD) following acute myocardial infarction (AMI), the modest ability of current criteria to determine which patients will experience SCD, and the high impact of SCD to society, we propose to conduct a prospective non-randomized observational study to determine: - Whether quantification of left ventricular (LV) scar volume by cardiac magnetic resonance (CMRI) prior to hospital discharge helps to predict which patients will have a low ejection fraction (35%) at follow up and qualify for ICD implantation. - Whether quantification of infarct scar volume by CMRI will help to identify which patients will experience malignant ventricular arrhythmias and/or SCD at follow-up, independent of the LV ejection fraction (LVEF). Primary hypothesis: Percentage of left ventricular scar volume as measured by CMRI post-MI strongly correlates with LVEF at 40 days and 3 months. Secondary hypothesis: 1. A volume of >40% of left ventricular scar measured by CMRI post-MI is predictive of LVEF less than 35% at 40 days and at 3 months 2. Volume scar as measured by Cardiac magnetic resonance imaging after AMI (at day 5) is predictive of clinical outcomes: SCD, total mortality, heart failure admission and life-threatening malignant ventricular arrhythmias regardless of ejection fraction at 40 days and at 3 months. Safety hypothesis: ICDs will be implanted if patients meet criteria at 40 days post MI as per the current American College of Cardiology (ACC) /American Heart Association (AHA) /Heart Rhythm Society (HRS) 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities

NCT ID: NCT03715790 Recruiting - Clinical trials for Acute Myocardial Infarction

Improve SCA Bridge Study

Start date: November 2, 2018
Phase:
Study type: Observational

The purpose of the Improve SCA Bridge study is to characterize the care pathway flow of post‐acute myocardial infarction (MI) patients as a result of standard assessments of left ventricular ejection fraction (LVEF) in the acute phase (≤14 days post‐ acute MI) and chronic phase (≥40‐90 days post‐acute MI).

NCT ID: NCT03714048 Not yet recruiting - Hemorrhage Clinical Trials

Blood Management During ECMO for Cardiac Support

OBLEX
Start date: February 2019
Phase:
Study type: Observational [Patient Registry]

Extracorporeal membrane oxygenation (ECMO) is a lifesaving procedure used to treat severe forms of heart and/or lung failure. It works by the principal of replacing the function of these organs by taking blood from the patient, provide it with oxygen outside the body and return it to the patient in one continuous circuit. Because of the evaluability of better technology, the use of ECMO has exponentially risen over the last decade. This treatment is very invasive and carries a number of risks. It is mostly used in situations where it seems likely that the patient would otherwise die and no other less invasive measure could change this. Still in large registries 50-60% of patients die which is often due to complications associated with the treatment. One of the most important complication is caused by the activation of clotting factors during the contact with the artificial surfaces of the device. This can lead to clot formation inside the patient or the device. To counterbalance this anticoagulation is needed. Because of the consumption of clotting factors and the heparin therapy bleeding complications are also very common in ECMO. Clinicians are challenged to balance these competing risks and are often forced to transfuse blood products to treat these conditions, which comes with additional risks for the patient. Many experienced centres have reported thromboembolic and bleeding events as the most important contributor to a poor outcome of this procedure. However, no international study combining the experience of multiple centres to compare their practice and identify risk factors which can be altered to reduce these risks. This study has been endorsed by the international ECMONet and aims to observe the practice in up to 50 centres and 500 patients worldwide to generate the largest ever published database on this topic. It will concentrate on patients with severe heart failure and will be able to identify specific risk factors for thromboembolic and bleeding events. Some of these factors may be modifiable by change in practice and can subsequently be evaluated in clinical trials. Some of these factors may include target values for heparin therapy and infusion of clotting factors. This study will directly improve patient management by informing clinicians which measures are associated with the best outcome and indirectly helps building trials to increase the evidence further.

NCT ID: NCT03700125 Not yet recruiting - Clinical trials for Ventricular Fibrillation

Pre-hospital ECMO in Advanced Resuscitation in Patients With Refractory Cardiac Arrest. ( SUB30 )

SUB30
Start date: February 1, 2019
Phase: N/A
Study type: Interventional

To establish whether a pre-hospital advanced physician/ paramedic cardiac arrest team that is ECMO capable can establish ECMO flow within 30 minutes of collapse. The Sub30 study will investigate the technical and logistical feasibility of instituting pre-hospital Extracorporeal Cardiopulmonary Resuscitation (ECPR) within 30 minutes of collapse for selected patients (n=6) in a geographical sector of Greater London. It will achieve this through a unique collaboration between the primary emergency dispatch and response services (London Ambulance Service NHS Trust, LAS), pre-hospital practitioners (LAS and London Air Ambulance) and clinicians in ECMO (Barts Health NHS Trust).

NCT ID: NCT03642587 Not yet recruiting - Clinical trials for Sudden Cardiac Death

Canadian Sudden Cardiac Arrest Network

C-SCAN
Start date: November 30, 2018
Phase:
Study type: Observational [Patient Registry]

The overall aim of the project is to develop a national registry to accurately measure the burden of Sudden Cardiac Arrest (SCA) among the general Canadian population. This project will create a common platform to link existing sources of information (EMS, Coroner and Administrative Databases) in order to fully understand the causes and outcomes of SCA. This comprehensive, unique registry will inform the progress and effectiveness of all CANet SCA programs aimed at reducing SCA. Understanding the antecedents, causes and outcomes of SCA will allow for new initiatives/investigations to reduce SCA, by using targeted interventions both effectively and efficiently.