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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Improving stress echocardiography-based decision pathways for coronary intervention patients: where can current and
Nikolaos Pe Kadoglou1, Constantinos H Papadopoulos2, Evaggelos Tatsis2
1Medical School, University of Cyprus, Nicosia, Cyprus.
Insights
Stress echocardiography (SE) can help detect myocardial ischemia in coronary artery disease (CAD). However, interpretation challenges and technical limitations can affect its accuracy and clinical decision-making.
Area of Science:
- Cardiology
- Diagnostic Imaging
Background:
- Stress echocardiography (SE) is a key noninvasive tool for diagnosing myocardial ischemia and patient prognosis in coronary artery disease (CAD).
- Technical performance and interpretation of SE can present challenges, potentially impacting clinical management decisions.
Purpose of the Study:
- This review addresses critical diagnostic issues in SE that influence interpretation and treatment pathways for coronary intervention.
- It examines discordance with coronary angiography, challenges in specific patient groups, and emerging technologies.
Main Methods:
- A comprehensive literature search was conducted using PubMed and Embase databases.
- The review synthesizes findings on SE interpretation challenges and potential solutions.
Main Results:
- Key issues include discordance between SE and angiography, limited ischemia detection, and normal wall motion with ischemic symptoms.
- Specific patient populations (e.g., LV hypertrophy, LBBB, arrhythmias) present unique interpretive challenges.
- Technological advancements like 3D SE and speckle tracking show promise but require further data.
Conclusions:
- SE is operator-dependent, necessitating strategies to enhance objectivity, such as optimizing workload and using contrast agents.
- Improving SE accuracy requires addressing technical limitations and operator experience, with ongoing research into advanced techniques.
Introduction:
Stress echocardiography (SE) is a widely used noninvasive imaging method to detect myocardial ischemia and assess prognosis in patients with suspected or established coronary artery disease (CAD). However, its results may challenge clinical interpretation and individualized management when technical performance is inadequate.
Areas Covered:
This review summarizes key diagnostic issues regarding SE that affect interpretation and clinical decision pathways for coronary intervention, including: discordance between SE and coronary angiography findings (positive studies with non-obstructive coronaries and negative studies with anatomically significant stenoses), limited myocardial ischemia, and normal wall-motion response with ischemic ECG changes or chest pain. In addition to that, this review discusses issues in specific patient groups like those with small LV cavity/LV hypertrophy, left bundle branch block, extensive baseline wall-motion abnormalities, and atrial fibrillation/arrhythmias. Moreover, we have mentioned recent technological advances like three-dimesion SE and speckle tracking analysis, which have shown promising preliminary results. An extensive literature search was performed in Pubmed and Embase platforms using the appropriate keywords. Unfortunately, the available data are limited and clinical practice is based on operators' experience.
Expert Opinion:
SE remains an operator-dependent technique. In order to improve the objectivity of each study, several steps have been proposed like stress workload adequacy, use of contrast agents, coronary microvascular evaluation commitment, and advocacy of adjunctive methods (atropine infusion, hand-grip).
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