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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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...
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

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...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...
Aortic Regurgitation III: Medical Management01:25

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...
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...

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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Neurocognitive function in procedures correcting severe aortic valve stenosis: patterns and determinants.

L Ranucci1, L Brischigiaro1, V Mazzotta1

  • 1Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy.

Frontiers in Cardiovascular Medicine
|April 29, 2024
PubMed
Summary

Neurocognitive function generally improves after aortic valve replacement (SAVR or TAVI) for severe aortic stenosis. However, anemia correction with blood transfusions may worsen cognitive outcomes, suggesting pre-procedural anemia management is crucial.

Keywords:
SAVRTAVIaortic valve stenosisneurocognitive functiontransfusions

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Area of Science:

  • Cardiology
  • Neurology
  • Geriatrics

Background:

  • Neurocognitive changes after aortic valve replacement procedures (SAVR, TAVI) for severe aortic stenosis (AS) are not well understood, with conflicting research.
  • Elderly patients (>65 years) undergoing SAVR or TAVI for severe AS represent a key population for studying these changes.

Purpose of the Study:

  • To identify the pre-procedural neurocognitive patterns in elderly patients with severe AS undergoing SAVR or TAVI.
  • To determine the factors influencing pre-procedural neurocognitive function.
  • To assess neurocognitive changes 2-3 months post-procedure.

Main Methods:

  • Prospective cohort study within the Italian Registry on Outcomes in Aortic Stenosis Treatment in Elderly Patients.
  • Montreal Cognitive Assessment (MoCA) test administered pre- and post-procedure (2-3 months).
  • Collection of periprocedural demographics, clinical factors, and outcome measures.

Main Results:

  • Pre-procedure, 70% of patients had cognitive dysfunction (MoCA score <23), linked to age, functional capacity, heart failure, and hemoglobin.
  • Post-procedure, overall MoCA scores improved, but 28% experienced reliable cognitive worsening.
  • Platelet transfusions and red blood cell transfusion volume were associated with MoCA score worsening.

Conclusions:

  • Aortic stenosis correction improves neurocognitive function, irrespective of SAVR or TAVI, at 2-3 months.
  • Anemia is a modifiable factor linked to pre-procedural neurocognitive function.
  • Pre-procedural anemia correction (iron/erythropoietin) may mitigate the risk of post-procedural cognitive decline.