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Updated: May 23, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
[Dynamic left ventricular outflow tract obstruction in pulmonary embolism]
L Paranskaya1, I Bozdag-Turan, S Kische
1Universitätsklinikum Rostock, Ernst-Heydemann-Strasse 6, Rostock, Germany. liliya.paranskaya@med.uni-rostock.de
Acute pulmonary embolism can rarely cause dynamic left ventricular outflow tract (LVOT) obstruction. This complication, typically caused by other conditions, highlights a new clinical consideration for LVOT obstruction.
Area of Science:
- Cardiology
- Pulmonology
- Critical Care Medicine
Background:
- Left ventricular outflow tract (LVOT) obstruction is a serious condition with various established causes.
- Known etiologies include left ventricular hypertrophy, dehydration, sepsis, vasodilatation, excessive sympathetic stimulation, pericardial tamponade, and atrioventricular valve surgery.
Observation:
- This report details a rare case of dynamic LVOT obstruction.
- The obstruction developed as a complication in a patient with acute pulmonary embolism.
Findings:
- Acute pulmonary embolism is identified as a novel, albeit rare, cause of dynamic LVOT obstruction.
- This finding expands the differential diagnosis for LVOT obstruction.
Implications:
- Clinicians should consider acute pulmonary embolism in the differential diagnosis of dynamic LVOT obstruction.
- This case underscores the complex interplay between pulmonary and cardiac dynamics.
- Further investigation may be warranted to understand the mechanisms linking pulmonary embolism to LVOT obstruction.
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