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Updated: Jun 1, 2025

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Published on: July 12, 2022

Left ventricular rigor mortis interferes with postmortem aortic root geometry.

Jan Michael Federspiel¹, Karen B Abeln², Frank Ramsthaler³

¹Institute for Legal Medicine, Faculty of Medicine, Saarland University, Campus Homburg, Building 49.1, Kirrberger Straße 100, 66421, Homburg/Saar, Germany. jmfederspiel@outlook.com.

International Journal of Legal Medicine

|January 21, 2025

Summary

This summary is machine-generated.

Postmortem changes like rigor mortis affect aortic root geometry, complicating autopsy diagnoses of aortic regurgitation. However, geometric assessment remains feasible, offering potential for improved necropsy diagnostics.

Keywords:

Aortic root Aortic valve Cardiac geometry Left ventricular rigor mortis Postmortem examination Postmortem interval

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Area of Science:

Forensic Pathology
Cardiovascular Anatomy

Background:

Aortic regurgitation diagnosis is challenging during autopsy due to subtle aortic root geometry alterations.
Clinical anatomy knowledge from cardiac surgery can enhance postmortem diagnostics.

Purpose of the Study:

To assess the impact of postmortem factors on aortic root geometry.
To determine the feasibility of geometric assessment in necropsy settings.

Main Methods:

Analyzed geometric parameters (perimeters, heights, lengths) in 140 cases.
Investigated influence of myocardial rigor mortis and postmortem interval.
Utilized linear regression and comparative testing.

Main Results:

Myocardial rigor mortis correlated with smaller basal aortic rings.
Weak positive correlations found between postmortem interval duration and aortic root dimensions.
Postmortem peculiarities influence aortic root geometry.

Conclusions:

Aortic root geometric assessment, including effective height, is feasible postmortem.
Postmortem peculiarities impact aortic root geometry.
Further research needed to establish aortic root geometry as a necropsy diagnostic tool.