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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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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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Related Experiment Video

Updated: Nov 7, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Neurocognitive Status after Aortic Valve Replacement: Differences between TAVI and Surgery.

Nicholas Aroney1, Tiffany Patterson1, Christopher Allen1

  • 1Cardiovascular Directorate, Guy's and St Thomas' NHS Foundation Trust, London SE1 7EH, UK.

Journal of Clinical Medicine
|April 30, 2021
PubMed
Summary

Transcatheter aortic valve implantation (TAVI) is now a viable alternative to surgical aortic valve replacement (SAVR), even for low-risk patients. Recent studies show TAVI offers favorable neurocognitive outcomes, with cerebral embolic protection devices potentially improving results further.

Keywords:
SAVRTAVIneurocognitivestrokesurgery

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Area of Science:

  • Cardiovascular Medicine
  • Neurology
  • Interventional Cardiology

Background:

  • Transcatheter aortic valve implantation (TAVI) has rapidly expanded, now surpassing surgical aortic valve replacement (SAVR) in many regions.
  • TAVI is increasingly considered a viable option for low-risk patients, necessitating a focus on neurocognitive outcomes.
  • Cognitive decline and stroke post-procedure significantly impact patient quality of life and mortality.

Purpose of the Study:

  • To evaluate and compare neurocognitive outcomes between TAVI and SAVR, particularly in the context of TAVI's expansion to lower-risk populations.
  • To highlight the importance of standardized definitions for neurocognitive endpoints in TAVI and SAVR trials.
  • To explore the potential of cerebral embolic protection devices in mitigating neurological risks associated with TAVI.

Main Methods:

  • Review of recent TAVI and SAVR trials focusing on neurocognitive outcomes.
  • Analysis of data based on international consensus statements for standardized neurological endpoint definitions.
  • Examination of the impact of cerebral embolic protection devices in TAVI procedures.

Main Results:

  • Recent trials demonstrate more consistent and favorable neurocognitive outcomes for patients undergoing TAVI compared to SAVR.
  • Standardized definitions have improved the comparability and interpretation of neurocognitive results across studies.
  • Cerebral embolic protection devices show promise for further enhancing neurocognitive outcomes in TAVI.

Conclusions:

  • TAVI is a safe and effective alternative to SAVR, offering comparable or better neurocognitive outcomes.
  • Standardization of neurocognitive endpoints is crucial for accurate trial interpretation.
  • Cerebral embolic protection represents a promising advancement for improving neurological safety in TAVI.