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Related Experiment Video

Updated: May 25, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

Left Ventricular Pseudo-pseudoaneurysm with Hemopericardium.

Hye-Seon Kim¹, Kyung-Hwan Kim, Ho Young Hwang

¹Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Korea.

The Korean Journal of Thoracic and Cardiovascular Surgery

|January 21, 2012

Summary

This study details a rare pseudo-pseudoaneurysm complication following myocardial infarction. The patient

Keywords:

Myocardial infarction Psendoaneurysm Ventricular aneurysm

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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

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Published on: July 15, 2021

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Last Updated: May 25, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

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Published on: November 4, 2015

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

Published on: July 15, 2021

Area of Science:

Cardiology
Cardiac Surgery
Medical Imaging

Background:

Pseudo-pseudoaneurysm is an exceedingly rare complication of myocardial infarction.
Previous cardiac surgery increases the risk of cardiac complications.
Infective endocarditis can necessitate complex cardiac valve and structural repairs.

Observation:

A 69-year-old male presented with chest tightness and dyspnea.
Imaging revealed pericardial effusion and a left ventricular cavity.
Differential diagnoses included pseudo-pseudoaneurysm and myocardial abscess.

Findings:

The patient had a history of aortic valve replacement and mitral annuloplasty.
Echocardiography and CT demonstrated a 16-mm cardiac cavity.
MRI suggested pseudo-pseudoaneurysm or abscess.

Implications:

Successful surgical repair of myocardial defects is achievable.
This case highlights the importance of considering rare complications after cardiac surgery.
Vascular graft patching offers a viable solution for myocardial defect repair.