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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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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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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 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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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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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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Pectus Bar Displacement Causing Right Ventricular Outflow Tract Obstruction.

Kyle C Purrman1, Daniel Ziazadeh1, Anthony Loria2

  • 1Division of Thoracic and Foregut Surgery, University of Rochester Medical Center, Rochester, New York.

The Annals of Thoracic Surgery
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PubMed
Summary
This summary is machine-generated.

A dislodged pectus bar caused right ventricular outflow tract obstruction after chest wall repair surgery. This case highlights a rare complication and informs future research for pectus excavatum treatment.

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Area of Science:

  • Cardiothoracic Surgery
  • Congenital Anomalies
  • Medical Device Complications

Background:

  • Pectus excavatum, a common chest wall anomaly, is surgically corrected using Ravitch procedure variations.
  • These repairs often involve implants like mesh, struts, and bars for structural support.
  • Minimally invasive and open surgical techniques are employed.

Observation:

  • A rare complication occurred: a dislodged pectus bar.
  • This led to obstruction of the right ventricular outflow tract.
  • The patient presented with symptoms related to this obstruction.

Findings:

  • The dislodged pectus bar was identified as the cause of right ventricular outflow tract obstruction.
  • Diagnostic imaging confirmed the bar's displacement and its impact on cardiac function.
  • Prompt management was initiated to address the complication.

Implications:

  • This case underscores the importance of vigilance for rare complications after pectus excavatum repair.
  • Understanding this complication can refine surgical techniques and post-operative monitoring.
  • Further research is needed to prevent and manage such rare pectus bar-related issues.