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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

267
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
267
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

280
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
280
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

323
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
323
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

177
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
177
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

169
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
169

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Author Spotlight: Advancing Cardiac Procedure Testing Prior to Embarking on Large Animal Studies
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Aortic annular enlargement techniques using an original patch for prosthetic valve endocarditis.

Kanji Matsuzaki1, Yusuke Iguchi2, Toru Tsukada2

  • 1Department of Cardiovascular Surgery, Hitachi General Hospital, 2-1-1 Jonan, Hitachi, Ibaraki, 317-0077, Japan. kanji.matsuzaki.dh@hitachi.com.

BMC Cardiovascular Disorders
|May 27, 2020
PubMed
Summary

Prosthetic valve endocarditis (PVE) is challenging to treat. A novel aortic annular enlargement technique using a composite patch effectively repaired defects and allowed successful valve replacement in four patients.

Area of Science:

  • Cardiovascular Surgery
  • Infectious Diseases
  • Medical Device Technology

Background:

  • Prosthetic valve endocarditis (PVE) presents significant therapeutic challenges due to severe adhesions and infectious tissue.
Keywords:
Aortic annular enlargement techniqueComposite three-layer patchPeriannular abscessProsthetic valve endocarditis

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  • PVE is a serious complication following prosthetic heart valve implantation.
  • Managing PVE requires innovative surgical approaches.