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Related Concept Videos

Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Mitral Regurgitation I: Introduction01:20

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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

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Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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Mitral Stenosis I: Introduction01:22

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Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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Mitral Valve Prolapse I: Introduction01:27

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IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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Mitral Valve Prolapse II: Assessment and Management01:22

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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Pulmonary Embolism In-Transit Crossing the Mitral and Aortic Valve.

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Summary

This case study details the successful surgical removal of a massive pulmonary embolism (PE) that extended across the patent foramen ovale (PFO), mitral valve, and aortic valve. Prompt intervention prevented severe complications and ensured patient survival.

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Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Interventional Cardiology

Background:

  • Hemodynamically significant pulmonary embolisms (PE) pose life-threatening risks, especially when crossing a patent foramen ovale (PFO).
  • Surgical PE removal is established, but cases involving extension across mitral and aortic valves are undocumented.
  • A 38-year-old female presented with hemodynamic compromise due to an extensive PE.

Purpose of the Study:

  • To report a rare case of a massive pulmonary embolism extending across the patent foramen ovale, mitral valve, and aortic valve.
  • To highlight the successful surgical management of such an extensive embolic burden.
  • To emphasize the critical role of prompt surgical intervention in preventing catastrophic outcomes.

Main Methods:

  • Transesophageal echocardiography (TEE) to delineate the extent of the PE.
  • Cardiopulmonary bypass (CPB) with aortic and bicaval cannulation.
  • En bloc surgical embolectomy via sternotomy, including removal of clot from the pulmonary artery, right atrium, and across the mitral and aortic valves.

Main Results:

  • A massive PE was identified extending from the PFO, across the mitral and aortic valves, into the ascending aorta, and also involving the tricuspid valve and pulmonary artery.
  • Successful en bloc surgical removal of the extensive clot burden was achieved.
  • The patient was weaned from CPB without complications, extubated within 24 hours, and discharged on postoperative day seven.

Conclusions:

  • Extensive pulmonary emboli crossing intracardiac structures represent a critical surgical emergency.
  • Prompt surgical embolectomy is vital for preventing mortality and severe sequelae like stroke, myocardial infarction, and pulmonary hypertension.
  • This case underscores the feasibility and necessity of aggressive surgical intervention for complex PE cases.