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Updated: Mar 22, 2026

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications
Published on: June 16, 2023
[HEMODYNAMIC CHILDREN WITH ISOLATED ANOMALOUS CHORDS OF THE LEFT VENTRICLE DEPENDING ON LOCATION AND QUANTITY]
Insights
Children exposed to Chernobyl radiation show abnormal heart chords (AHLV). These findings indicate early signs of cardiovascular stress and diastolic dysfunction in their heart
Area of Science:
- Pediatric Cardiology
- Environmental Health
- Genetics
Context:
- Children born to parents exposed to the Chernobyl disaster were studied.
- Doppler echocardiography was used to identify isolated abnormal chords of the left ventricle (AHLV).
- The study analyzed morphometric parameters and central hemodynamics based on AHLV localization.
Purpose:
- To investigate the impact of Chernobyl exposure on cardiovascular health in children.
- To analyze the relationship between abnormal chords of the left ventricle (AHLV) and central hemodynamics.
- To identify early signs of cardiovascular dysfunction in this population.
Summary:
- A total of 156 children exposed to Chernobyl radiation exhibited AHLV.
- Concomitant AHLV localization significantly altered morphometric indicators and central hemodynamics.
- Findings suggest a decline in cardiovascular adaptive capacity, a hypokinetic type of hemodynamics, and early diastolic dysfunction.
Impact:
- Reveals potential long-term cardiovascular consequences of Chernobyl exposure in offspring.
- Highlights the importance of echocardiographic screening for AHLV in exposed children.
- Provides insights into early indicators of cardiovascular stress and diastolic dysfunction.
Abstract:
A total of 156 children group (children born to parents exposed to the Chernobyl disaster), in which, according to Doppler echocardiography, revealed isolated abnormal chords of the left ventricle (AHLV). Analysis of morphometric parameters and central hemodynamics conducted according to the localization AHLV. Found that concomitant localization AHLV at the threshold of the number of the most influencing change morphoinetric indicators and central hemodynamics. Condition of systemic circulation indicates a decline in their adaptive capacity of the cardiovascular system due to changes in the dynamics and power of the heartbeat. The decrease in stroke volume, stroke and cardiac index suggests hypokinetic type of organization of central hemodynamics, which can be considered an early sign of stress features of the heart and blood vessels. In this subgroup of children revealed significant changes in transmitral flow, indicating the initiation they have diastolic dysfunc tion. When the number of prethreshold AHLV most pronounced changes were found in the middle of their localization. Almost a third of children in this subgroup with individual assessment also revealed signs of initiation of diastolic dysfunction.
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