Related Experiment Video
Updated: Aug 11, 2026

16:11
Implantation of the Syncardia Total Artificial Heart
Published on: July 18, 2014
[Reoperations after insertion of heart valve prosthesis]
Grudnaia I Serdechno-Sosudistaia Khirurgiia
|October 1, 1990
Summary
Timely reoperations for heart valve prosthetics significantly reduce risks and improve outcomes. This study analyzed 167 repeat surgeries, finding early intervention crucial for positive results.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Clinical Medicine
Background:
- Heart valve prosthetics are common but can require reoperation due to complications.
- Previous studies highlight risks associated with repeat cardiac surgeries.
Purpose of the Study:
- To analyze outcomes of repeat heart valve prosthetic operations.
- To identify reasons for reoperation and assess the impact of timely intervention.
Main Methods:
- Retrospective analysis of 167 repeat heart valve prosthetic operations performed between 1978 and 1988.
- Categorization of patients into groups based on reoperation cause: noninfectious prosthesis dysfunction and prosthetic endocarditis.
Main Results:
- Repeat operations were primarily performed on severely ill patients.
- Timely reoperation was associated with a considerable reduction in surgical risk.
- Most cases demonstrated a stable positive effect after reoperation.
Conclusions:
- Early reoperation for heart valve prosthetic complications is critical.
- Prompt surgical intervention can lead to favorable long-term outcomes in most patients.
Related Concept Videos
Heart Valves
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
Cardiac Catheterization II: Right Heart Catheterization
Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
Aortic Regurgitation III: Medical Management
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...
Cardiomyopathy VII: Pre and Post Operative Nursing Management
Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Aneurysm III: Interprofessional Care
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...

