MedicalResearch.com Interview with:
Dr. Marc-Alexander Ohlow, MD,
Adjunct Professor of Medicine
Cardiology Department
Zentralklinik Bad Berka, Germany
MedicalResearch.com: What are the main findings of the study?
Dr. Ohlow: This paper reports the finding of a retrospective study including 4.311 consecutive patients with suspected acute coronary syndrome (ACS). Out of them 272 patients with acute onset of chest pain and elevated levels of cardiac necrosis markers did not have significant (≥50% diameter stenosis) coronary artery stenosis on coronary angiography. Aim of this study was to provide further information and understanding of the clinical characteristics and outcome of patients with acute coronary syndrome without critical stenosis, and comparing those with a consecutive series of patients with ACS requiring percutaneous coronary intervention (non-ST-elevation myocardial infarction patients).
Patients presenting without significant coronary stenosis, but with chest pain and elevated troponin level were younger, had less severe angina symptoms, were more likely to be women, had lower level of myocardial necrosis markers (troponin and creatine kinase), and had higher left ventricular ejection fraction compared to patients undergoing angioplasty due to significant coronary obstruction.
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MedicalResearch.com Interview with: Anne Bellemain-Appaix
Service de Cardiologie-La Fontonne Hospital, Antibes, France and
Gilles Montalescot Professor of Cardiology
Institut de CardiologiePitié-Salpêtrière Hospital
Université Paris 6, France
ACTION Study Group, Paris, France
Medical Research: What is the background for this study?Response: Pretreatment with P2Y12 inhibitors for Non-ST-Elevation Acute Coronary Syndrome (NSTE-ACS) patients, although advised in current guidelines, has been recently questioned in term of benefit/risk ratio (no ischemic benefit and increase in major bleeding). We wanted to answer this question by giving enough power to results in a complete meta-analysis of studies comparing P2Y12 inhibitors pretreatment (defined as its administration before the coronary angiogram) to no pretreatment in NSTE-ACS. (more…)
MedicalResearch.com Interview with:Dhruv S. Kazi, MD, MSc, MS
Assistant Adjunct Professor
Division of Cardiology San Francisco General Hospital
Department of Medicine, and
Department of Epidemiology and Biostatistics
University of California San Francisco
MedicalResearch.com: What is the background of your study?
Dr. Kazi: When we first asked the research question -what is the role of genotyping among patients receiving a stent for ACS, we quickly realized that there were no RCTs that had directly compared ticagrelor with prasugrel. But in our opinion, that was precisely the reason to build a model and systematically synthesize the available literature. There are nearly half a million PCIs for ACS in the US each year, and each time, the physician and patients have to examine the trade-offs between the various alternatives. What our model does is that it explicates the trade-offs - makes them transparent, and quantifies them. So patients and physicians can make an informed decision on what is the optimal therapy for them.
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