Evaluation of the relationship between left atrial volume and myocardial ischemia: a systematic review
Publish place: Reviews in Clinical Medicine، Vol: 4، Issue: 3
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_RCM-4-3_002
تاریخ نمایه سازی: 18 تیر 1398
Abstract:
Introduction: The pathophysiology of ischemia involves the cellular effect of myocardial ischemia, reactive oxygen species, and reactive inflammatory enzymes. Left atrial (LA) ischemia has been shown to have several mechanisms through which it can lead to abnormalities in left ventricular filling in early diastole and thus reduces LA passive functional reserve. In this review, we evaluated the physiological mechanisms of LA during myocardial ischemia, as previously demonstrated in experimental and clinical studies.Methods: Several databases were searched in order to find related articles. The outcome of interest included LA function measurements (measurement of LA volume) during ischemia. By applying a standardized protocol, reviewers independently extracted and assessed the studies.Results: The literature review indicated 50 publications, among which 15 studies were eligible for analysis. Assessment of LA dimension and function is essential for clinical evaluation and prognostic purposes. Conclusion: The present article revealed that LA passive emptying volume and LA emptying volume significantly increased in myocardial ischemia. Further researches could provide a better understanding of pathophysiological mechanisms behind LA enlargement and help to predict clinical outcomes in many cardiovascular disorders.
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Authors
Ali Azari
Division of Cardiovascular, Vascular Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
leila Bigdelue
Division of Cardiovascular, Vascular Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
Afsoon Fazlinezhad
Division of Cardiovascular, Vascular Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
Marzye Farazandeh
Division of Cardiovascular, Vascular Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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