Active clinical trials for "Infarction"

This trial will compare the procedural success rate between right and left radial approach in patients undergoing coronary angiography and coronary intervention.

Current patterns of P2Y12 receptor inhibitor use provide an excellent opportunity to test the impact of copayment reduction on clinician choice of medication, patient adherence, and clinical outcomes. The ARTEMIS trial is a practical multicenter, cluster- randomized clinical trial that will assess the impact of copayment reduction by equalizing the copayment of clopidogrel and ticagrelor. ARTEMIS will assess prescribing patterns, patient medication adherence, and clinical outcomes up to one year. We hypothesize that reducing out--of--pocket cost for P2Y12 receptor inhibitor will lead to improved adherence. Additionally, copayment reduction of both generic and brand antiplatelet agents may lead to a reduction in MACE risk. This is in part due to greater adherence to an evidence--based secondary prevention medication. Additionally the reduction in MACE may reflect greater selection of a more potent antiplatelet agent that has been shown to reduce MACE in randomized clinical trials, as provider choice of antiplatelet therapy will be primarily driven by risk- benefit assessment rather than the cost burden to the patient.

A Patient Reported Outcome Measure (PROM) is a questionnaire that asks patients for their views on their own health or the impact of healthcare they have received on their health and quality of life (RCN, 2011). The benefit of PROMS is that they gather information from the patient's perspective, which offers great potential to improve the quality and outcomes of health services (Department of Health 2011). There is a PROM (the PROMIS-10 Global Health) and a number of extra questions that are recommended for use in people who have had a stroke by the International Consortium for Health Outcomes Measurement, but the best way of delivering these questions for stroke survivors is unknown. At present, the NHS in England, Scotland and Wales are required to offer every stroke survivors a 6 month post stroke follow-up appointment. Currently, the information collected at the 6 month review is not from the patient's perspective and the best method of collecting this information has not been established. The Sentinel Stroke National Audit Programme (SSNAP) which is led by the Royal College of Physicians in London promote the 6 month follow-up assessment. SSNAP recognise that currently 4 different methods of 6 month follow-up appointment occur. The current methods in use are face-to-face assessment, telephone interview, online questionnaire or postal questionnaire. The aim of this research is to understand if there is a difference between these 4 methods of delivering these questions in people who have had a stroke. As part of the 6 month review this research study will assess the response rate for 15 Patient Reported Health Status questions across the 4 recognised methods of delivery; Face-to-Face Telephone Online Post To conduct this research study a sample of 808 stroke survivors will be asked to take part in the research. From these 808 people, 202 participants will be randomly assigned to each method of administration (Face-to-Face Interview, Telephone Interview, Postal Questionnaire and Online Questionnaire). The questionnaires received by the research team will not record any personally identifiable information. The data will then be utilised by the researchers for statistical analysis in order to identify, which method of the 4 methods of administration, under investigation, is the most acceptable for stroke survivors. The conclusions of this research will inform the roll-out of the most appropriate method of delivering the 6 month stroke follow-up review for stroke survivors.

FDA issued a Humanitarian Device Exemption (HDE) approval order for the AMPLATZER™ PIVSD Occluder (H070005) on January 10, 2017. The Conditions of Approval require that SJM conduct a post approval study to evaluate the safety and probable benefit of the AMPLATZER™ PIVSD Occluder.

Rationale: Timely and effective reperfusion by primary percutaneous coronary intervention (PPCI) is currently the most effective treatment of ST-segment elevation myocardial infarction (STEMI). However, permanent myocardial injury related to the ischemia and subsequent reperfusion is observed in the vast majority (88%) of patients and harbours a risk of heart failure development. Administration of hydrogen sulfide (H2S) has been shown to protect the heart from "ischemia reperfusion injury" in various experimental models. Data in humans suggests that the H2S-releasing agent sodium thiosulfate (STS) can be administered safely. Objective: to evaluate the efficacy and safety of STS compared to placebo treatment on myocardial infarct size in patients presenting with STEMI and treated with PCI Study design: a multicenter, double blind, randomized controlled clinical trial. A total of 380 patients, aged 18 years and above, undergoing primary PCI for a first STEMI and deemed amenable, by the investigator, to be treated with STS 12.5g intravenously (i.v.) or matched placebo immediately after arrival at the catheterization laboratory (cath-lab) and a repeated dose administered 6 hours after the first dose, on top of standard treatment. Primary endpoint is infarct size as measured with cardiac magnetic resonance imaging (CMR-imaging) 4 months after randomization.

Changes in the ambient temperature (esp. warm to cold) as well as exercise are triggers for vasospasms and plaque rupture. Weather data (temperature, precipitation in general as well as snowfall and changes in atmospheric pressure) will be correlated with the incidence of myocardial infarctions.

The aim of this study is to compare circadian variability of antiplatelet effect of prasugrel and ticagrelor maintenance doses during the initial days after acute myocardial infarction.

The present project aims to determine whether a deficit in migration of stem cells could be implicated in the failure to mount an adequate collateralization after Myocardial Infarction (MI) and thereby facilitate the development of post-ischemic heart failure (HF) and to dissect underlying molecular mechanisms. Furthermore, the investigators wish to determine the predictive value of stem cell migration assay in patients with MI.

There is a sharp rise in the rate of coronary heart disease diagnoses and chest pain consultations in the 90 days before a first heart attack. There is some evidence that chest pain and angina symptoms in this period have a beneficial effect on heart attack outcomes in hospital and shortly after discharge. However, the available evidence is lacking in three key areas. First it is based on a retrospective patient report of symptoms after the heart attack has occurred; this means that patients are required to survive their heart attack and may make errors when reporting prior symptoms. Second, evidence for an effect on longer term outcomes, and coronary outcomes in particular (e.g. coronary death, further heart attacks) are unknown. Third, there is conflicting evidence that these effects might differ by age, in men and women, and according to treatment in hospital. The investigators hope to address the limitations in the evidence by performing a large, prospective study of the occurrence, timing and effect of different types of symptoms and disease diagnoses occurring before heart attack. The investigators hypothesise that prospectively collected, clinical measures of chest pain symptoms and cardiovascular diagnoses in primary care will have a beneficial effect on short term coronary mortality and may have a beneficial effect on longer term coronary outcomes.

Objective of this registry study is to compare strategy of complete vs. target lesion-only primary PCI (percutaneous coronary intervention) in IRA (infarct related artery) in STEMI (ST elevation myocardial infarction) patients.