相关实验视频

Updated: Jul 11, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

运动压力回声心脏学参数的变化,在跨导管中枢边缘到边缘修复之前和之后

Risako Murata¹, Shingo Kuwata², Masaki Izumo¹

¹Department of Cardiology, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-Ku, Kawasaki, Kanagawa, Japan.

Cardiovascular intervention and therapeutics

|November 8, 2023

概括

横导管边缘到边缘的修复显著改善了运动诱导的腹 (MR) 和症状. 这项研究评估了二次MR患者手术前后的血液动力学和症状变化.

科学领域:

心脏病学心脏病学
干预心脏病学干预心脏病学
心脏外科手术心脏外科手术

背景情况:

运动诱导的额头吐 (MR) 的安全性和可行性仍未得到充分探索.
二次性MR在身体炼期间管理心脏功能时带来了挑战.

研究的目的:

评估在运动应激心声图 (ESE) 之前和之后进行跨导管边缘到边缘修复 (TEER) 期间显著的二次MR患者的血液动力学和症状变化.
评估TEER在改善MR严重程度和功能能力方面的有效性.

主要方法:

一项前性研究涉及15名二次性MR患者,他们使用MitraClip系统进行TEER.
在手术前和手术后3个月进行了运动应激回声心电图 (ESE).
分析了心声学参数,包括MR严重程度和纽约心脏协会功能分类.

主要成果:

TEER显著降低了静止状态和ESE期间的MR严重程度 (p < 0.0001).
纽约心脏协会功能分类在TEER后显著改善 (p < 0.0001).
运动诱导的肺高血压或心脏输出没有显著变化,但在心房和心室二级MR中都注意到了MR的改善.

结论:

过导管边缘到边缘修复是有效的改善MR严重程度和主观症状的患者,运动诱导的二次MR.
这些发现为这种特定患者群体的管理提供了新的见解,特别是在日本人口中.

关键词:

运动压力回声心脏图,运动压力回声心脏图这就是MitraClip的意义.跨导管边缘到边缘维修通过导管修复米特拉.

更多相关视频

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 9, 2010

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Published on: November 28, 2018

相关概念视频

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...

Mitral Valve Prolapse II: Assessment and Management

Mitral Valve Prolapse II: Assessment and Management

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...

Exercise Stress Test

Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes