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Infarction clinical trials

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NCT ID: NCT06457815 Recruiting - Clinical trials for Acute Myocardial Infarction

Iron Deficiency in Acute Myocardial Infarction: Prevalence Pilot Study

IDAMI Pilot
Start date: April 29, 2024
Phase:
Study type: Observational

Acute Myocardial Infarction (heart attacks) affect about 86000 people each year in the UK. Given this large number of people, it is important that health teams look at ways to ensure the best care to improve outcomes after a heart attack. In related heart conditions, the role of iron is important, but there isn't much information about what effect iron levels have on patients following a heart attack. We want to plan a large scale study to look at this, but need some early data to understand how many patients have low iron levels. This small study will take part at one NHS Trust and will test for iron levels in all patients who provide consent (we expect up to 70 patients will take part). We will also collect data from medical notes for these patients and use all of this information together to understand more about iron and to plan a larger study.

NCT ID: NCT06456437 Recruiting - Clinical trials for Acute Ischemic Stroke

Ischemic Post-conditioning in the Treatment of Acute Ischemic Stroke

Start date: November 1, 2021
Phase:
Study type: Observational [Patient Registry]

Post-ischemic adaptation is a physical brain protective treatment strategy in which an ischemic event in an organ or tissue is treated and blood flow is restored, and an ischemic stimulus is given to local tissues to induce the production of anti-ischemic damage factors and reduce the damage associated with reperfusion therapy . Relevant basic studies have confirmed that post-ischemic adaptation can reduce infarct volume and promote neurological function recovery in animal models of cerebral infarction. Therefore, it may be beneficial to the recovery of neurological function in patients with acute ischemic stroke undergoing mechanical thrombus extraction. Based on the above background, the use of a balloon to repeatedly dilate-contract at the original occlusion site after revascularization to block and restore arterial flow may be an effective cerebroprotective treatment for patients with large-vessel occlusion who undergo thrombolysis. However, can this approach be safely used in patients with acute ischemic stroke treated with thrombolysis? What is the protocol for the length of time patients can tolerate post-ischemic adaptation? The application of this method in the treatment of acute ischemic stroke will be explored in this study.

NCT ID: NCT06454045 Active, not recruiting - Clinical trials for Coronary Artery Disease

Evaluation of Platelet Aggregability in Patients With Previous Acute Myocardial Infarction or Concomitant Lower Extremity Peripheral Artery Disease

Start date: May 13, 2024
Phase:
Study type: Observational [Patient Registry]

After an episode of acute ischemic syndrome, patients with concomitant peripheral arterial disease have a worse short- and long-term prognosis compared to patients with isolated coronary disease, but the mechanisms responsible are poorly understood. In this population, the presence of high platelet aggregability despite the use of antiplatelet drugs is related to a greater risk of future complications, including heart attack and death from all causes. Thus, the main objective of the present project is to evaluate the role of platelet aggregability, analyzed by optical aggregometry using the AggRAM® equipment, in patients with a history of previous acute myocardial infarction with and without the presence of peripheral arterial disease. Among the secondary objectives, it is worth analyzing platelet aggregability, in both groups, using the Plateletworks® method. This is a case-control study, with groups differentiated by the presence or absence of peripheral arterial disease, matched by sex and age. It is expected that, in the end, relevant aspects related to platelet aggregation will be better characterized in this high cardiovascular risk population, with a likely impact on new therapeutic strategies that can positively influence the morbidity and mortality of these patients.

NCT ID: NCT06453707 Recruiting - Clinical trials for Acute Myocardial Infarction

SpinChip Hs-cTnI Sample Type Validation

HEAT-2
Start date: April 12, 2024
Phase:
Study type: Observational

During a heart attack, the protein troponin I is released from the heart muscle into the bloodstream. Measurements of cardiac troponin in blood are used as an aid in the diagnosis of heart attack. The SpinChip hs-cTnI test is a new high-sensitive test for measuring the amount of cardiac troponin I in the bloodstream as an aid in the diagnosis of heart attack. The purpose of this study is to demonstrate that different types of blood samples (finger prick, venous whole blood and plasma) return comparable results when analysed using the SpinChip hs-cTnI test. Blood samples from at least 150 patients will be analyzed and the testing will be carried out by healthcare personnel.

NCT ID: NCT06453252 Not yet recruiting - Stroke, Ischemic Clinical Trials

Predictors of Intracranial Atherosclerotic Disease in Posterior Circulation: a Cohort Study

Start date: June 15, 2024
Phase:
Study type: Observational

Early identification of intracranial atherosclerotic disease (ICAD) may impact the management of patients undergoing mechanical thrombectomy (MT). The aim of the study is to develop and validate a scoring system for pre-thrombectomy diagnosis of ICAD in posterior circulation large vessel/distal medium vessel occlusion strokes (LVOs/DMVOs).

NCT ID: NCT06450912 Completed - Clinical trials for Acute Myocardial Infarction

Wall Strain Index Ratio as a Biomarker for Mechanical Complication of Hemorrhagic Myocardial Infarction

MIRON-STRAIN
Start date: June 1, 2022
Phase:
Study type: Observational

Hemorrhagic Myocardial infarctions are at high risk for mechanical complications including cardiac rupture. Prediction of vulnerable myocardial segments is an important step for the stratification of hemorrhagic MI patients. Wall motion index ratio is an important parameter to determine regions of high vulnerability within the 17-segment LV model of hemorrhagic MI.

NCT ID: NCT06447857 Completed - Atrial Fibrillation Clinical Trials

Extracellular Volume Associated With New-Onset Atrial Fibrillation

Start date: January 1, 2020
Phase:
Study type: Observational

Left ventricular fibrosis is strongly associated with atrial fibrillation (AF). However, the relationship between LV fibrosis and new-onset AF (NOAF) after ST-segment elevation myocardial infarction (STEMI) is currently unknown. This study was to investigate the relationship between different regions of ECV and NOAF during the acute phase of STEMI. ECV in integral (integral ECV), non-myocardial infarction region (NMI-ECV) and myocardial infarction region (MI-ECV) was obtained by CMR.

NCT ID: NCT06447701 Not yet recruiting - Stroke Clinical Trials

Interleukin-6 Receptor Inhibition for Symptomatic Intracranial Atherosclerosis

IRIS-sICAS
Start date: June 30, 2024
Phase: Phase 3
Study type: Interventional

IRIS-sICAS is a multicenter, randomized, double-blind, placebo-controlled clinical trialis a multicenter, randomized, double-blind, placebo-controlled clinical trial, to assess the safety and efficacy of tocilizumab injection in lowering the incidence of newly diagnosis ischemic stroke and improving prognosis in symptomatic intracranial atherosclerosis patients.

NCT ID: NCT06446895 Recruiting - Clinical trials for Myocardial Infarction

Biomarkers of Inflammation and Endothelial Dysfunction in Patients With Myocardial Infarction With Non-obstructive Coronary Arteries

IMACORN-INFLI
Start date: October 1, 2020
Phase:
Study type: Observational

Around 10% of patients with myocardial infarction (MI) present with nonobstructive coronary arteries (MINOCA) which pathophysiology is often uncertain. The aim of the study is to evaluate inflammation and endothelial dysfunction biomarkers in MINOCA patients during both acute and stable phases, comparing them with those with MI and obstructive coronary arteries (MICAD).

NCT ID: NCT06443008 Not yet recruiting - Rehabilitation Clinical Trials

Effects of Myoelectric Biofeedback on Upper Limb Function in Post-stroke Patients

Start date: May 27, 2024
Phase: N/A
Study type: Interventional

The purpose of this clinical trial is to investigate the effect of myoelectric biofeedback therapy on upper limb function in elderly patients with cerebral infarction, and to analyze the adjustment of stroke condition and quality of life.The main questions it aims to answer are: 1. Does myoelectric biofeedback therapy promote the restoration of upper limb function in elderly patients with cerebral infarction? 2. What medical problems do participants have with myoelectric biofeedback therapy?