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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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Mitral Stenosis III: Medical Management01:26

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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...
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Mitral Regurgitation III: Medical Management01:25

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Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
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Aortic Regurgitation III: Medical Management01:25

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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...
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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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A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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Related Experiment Video

Updated: Jan 8, 2026

Insertion, Maintenance, and Removal of the Percutaneous Dual Lumen Cannula Right Ventricular Assist Device
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Valvular Complications Related to Microaxial Assist Device Use: A Case-Level Systematic Review.

George P Nolan1,2, Magdalena C Hammond2,3, Daler Rahimov2

  • 1Drexel University College of Medicine, Philadelphia, Pennsylvania, USA.

Artificial Organs
|December 18, 2025
PubMed
Summary
This summary is machine-generated.

Microaxial devices can cause valvular complications like aortic regurgitation (AR) and severe mitral regurgitation (MR). MR may be linked to worse outcomes, with surgery being the primary treatment for these device-associated injuries.

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Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Medical Devices

Background:

  • Microaxial devices offer vital short-term hemodynamic support for cardiogenic shock and high-risk procedures.
  • Data on valvular complications associated with these devices is limited.
  • This study aims to analyze the incidence, management, and outcomes of such complications.

Purpose of the Study:

  • To investigate the incidence of valvular complications in patients requiring microaxial device support.
  • To understand the management strategies employed for these complications.
  • To evaluate the outcomes associated with device-associated valvular injury.

Main Methods:

  • An electronic search identified 26 case reports and series (27 patients) detailing microaxial device-associated valvular complications.
  • Data on patient demographics, device usage, complication type, management, and outcomes were extracted.
  • Analysis focused on complications not resolving after device removal.

Main Results:

  • Aortic regurgitation (AR) affected 67% of patients, while 33% experienced severe mitral regurgitation (MR).
  • Surgical management was the most common approach (74%), followed by transcatheter treatment (11%) and nonoperative management (15%).
  • In-hospital mortality was 11%, with a significantly higher mortality rate observed in MR patients compared to AR patients when considering native valves only (22% vs. 0%, p=0.04).

Conclusions:

  • Aortic regurgitation is more prevalent than mitral regurgitation, but all cases of MR were severe.
  • Severe mitral regurgitation may be associated with poorer patient outcomes.
  • Surgical intervention is the predominant strategy for managing valvular injury related to microaxial devices.