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Updated: Nov 16, 2025

A Porcine Model of Acute Autologous Pulmonary Embolism
Published on: September 6, 2024
Pulmonary embolism from cardiac hydatids
Aamir Mohammad1, Mallampati Sameer1, Leena Robinson Vimala2
1The Department of Cardiothoracic Surgery, The Christian Medical College, Vellore, Tamil Nadu 632004 India.
Insights
Metastatic hydatid disease can occur when a hydatid cyst ruptures, leading to lung embolization. Current treatments show partial resolution, suggesting a need for improved therapeutic strategies for pulmonary hydatid disease.
Area of Science:
- Cardiology
- Pulmonology
- Infectious Diseases
Background:
- Hydatid disease, caused by Echinococcus granulosus, can lead to metastatic complications.
- Rupture of a hydatid cyst into the systemic circulation can result in pulmonary arterial embolization.
Purpose of the Study:
- To illustrate the imaging findings of embolized hydatid disease within the pulmonary artery.
- To discuss the limitations of current treatment strategies for this condition.
Main Methods:
- Case presentation of a patient with a history of right ventricular hydatid cyst surgery.
- Review of imaging studies demonstrating embolized hydatid cysts in the pulmonary arteries.
Main Results:
- The patient presented with multiple embolized hydatid cysts within the pulmonary artery branches.
- Despite surgical and medical management, only partial resolution was observed.
Conclusions:
- Metastatic hydatid disease to the pulmonary artery is a rare but serious complication.
- Current treatment modalities may be insufficient for complete resolution, necessitating further research into novel therapeutic approaches.
Abstract:
Metastatic hydatid disease of the lung may happen when a hydatid cyst (HC) anywhere in the body ruptures into a systemic vein, a right heart chamber or a pulmonary artery (PA), resulting in the embolisation of the cyst's contents into the lungs. We submit herewith, the images of embolised hydatids within the PA, in a patient who had surgery for HC involving the right ventricular (RV) wall in 2014. Despite adequate surgical and medical management, investigations in 2017 revealed multiple embolised cysts within PA branches. Further continued medical therapy resulted only in partial resolution of the disease, indicating probably the inadequacy of the currently available treatment strategies.
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