Postmortem IgE determination in coronary artery disease

Area of Science:

• Forensic Pathology
• Immunology
• Cardiovascular Science

Background:

• Allergic, immunoglobulin E (IgE)-mediated inflammation is implicated in atherogenesis and atherosclerotic disease progression.
• Previous research suggests a connection between allergic responses and the development of atherosclerosis.

Purpose of the Study:

• To investigate the correlation between postmortem levels of total IgE and mast cell tryptase and morphological findings in coronary artery atherosclerosis.
• To compare forensic findings with existing clinical and forensic literature on IgE and atherosclerosis.

Main Methods:

• Measurement of total IgE and mast cell tryptase in postmortem serum from forensic autopsy cases.
• Categorization of cardiac death cases based on coronary artery atherosclerosis severity and acute coronary events.
• Inclusion of non-cardiac death cases as controls.

Main Results:

• In cardiac death cases (n=42), increased total IgE was found in 7 cases and increased mast cell tryptase in 3 cases.
• In non-cardiac death cases (n=42), no significant increases in total IgE or mast cell tryptase were observed.
• A portion of coronary deaths showed elevated IgE and mast cell tryptase levels, correlating with coronary artery atherosclerosis.

Conclusions:

• Preliminary findings suggest a link between elevated IgE and mast cell tryptase levels and coronary artery atherosclerosis in certain cardiac deaths.
• These results corroborate existing data on the role of allergic inflammation in cardiovascular disease.
• The study highlights the importance of combining morphological and biochemical analyses in investigating cardiovascular deaths.