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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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Acute Coronary Syndrome I: Introduction01:30

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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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Myocarditis I: Introduction01:21

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Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
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Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs
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Sex-Related Differences in Long-Term Outcomes After Early-Onset Myocardial Infarction.

Maddalena Ardissino1, Adam J Nelson2,3, Giuseppe Maglietta4,5

  • 1Imperial College London, London, United Kingdom.

Frontiers in Cardiovascular Medicine
|July 21, 2022
PubMed
Summary
This summary is machine-generated.

Women experiencing early myocardial infarction (MI) have lower atherosclerotic burden and better long-term outcomes than men. Despite less secondary prevention, female patients with early-onset MI show improved cardiovascular event rates.

Keywords:
baseline risk differencesgenderlong term outcomesmyocardial infarctionyoung

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Area of Science:

  • Cardiology
  • Cardiovascular Research
  • Sex-Based Medicine

Background:

  • Growing awareness of sex-related differences in cardiovascular disease risk.
  • Limited data on sex differences in pre-menopausal women with early-onset myocardial infarction (MI).
  • Estrogen's potential protective effects in young women with MI are under investigation.

Purpose of the Study:

  • To investigate sex-related differences in risk factors and long-term outcomes for early-onset myocardial infarction (MI).
  • To compare cardiovascular event rates between men and women experiencing MI before age 45.
  • To assess the impact of atherosclerotic burden and secondary prevention on outcomes in young MI patients.

Main Methods:

  • Nationwide study in 125 Italian Coronary Care Units (1998-2002).
  • Recruited 2,000 patients (88.9% male) hospitalized for type I MI before age 45.
  • Follow-up for a median of 19.9 years; primary endpoint: cardiovascular death, non-fatal MI, or stroke; secondary endpoint: revascularization (PCI/CABG).

Main Results:

  • ST-elevation MI was common in both sexes (85.1% vs. 87.4%).
  • Men had significantly higher baseline coronary atherosclerotic burden (Duke CAD Index: 48 vs. 23; Syntax score: 9 vs. 7; p < 0.001).
  • Women experienced fewer primary composite endpoints (25.7% vs. 37.0%; aHR 0.69; p = 0.01) despite less secondary prevention medication use.

Conclusions:

  • Significant sex differences exist in risk factors and outcomes for early-onset MI.
  • Women present with lower atherosclerotic disease burden.
  • Women with early-onset MI achieve better long-term outcomes, even with less secondary prevention.