Related Experiment Video
Updated: Jan 6, 2026
Measurement of Tissue Oxygenation Using Near-Infrared Spectroscopy in Patients Undergoing Hemodialysis
Published on: October 2, 2020
Hemodynamic effects of hemodialysis: the interaction between the heart and the arteries
Aidana Mustafa1, Aigerim Yermekbay1, Aizhan Zhankorazova1
1Department of Medicine, Nazarbayev University School of Medicine, 5/1 Kerey and Zhanibek Khans Str., 010000, Astana, Kazakhstan.
Insights
Hemodialysis impairs cardiac function by altering left ventricular structure and function, increasing mortality risk. Assessing ventriculo-arterial coupling offers a prognostic marker for kidney failure patients undergoing dialysis.
Area of Science:
- Cardiovascular Medicine
- Nephrology
- Biomedical Engineering
Background:
- Hemodialysis significantly impacts cardiac function, particularly left ventricular hypertrophy, driven by pressure/volume overload from arteriovenous fistulas, anemia, and fluid retention.
- Dialysis can impair left ventricular systolic and diastolic functions, reducing ejection fraction and global longitudinal strain, both linked to higher mortality.
- Chronic dialysis alters arterial structure and function, increasing intima-media thickness and reducing distensibility, leading to elevated afterload.
Purpose of the Study:
- To investigate the effects of hemodialysis on cardiac morphology and function, including ventriculo-arterial coupling.
- To highlight the prognostic value of ventriculo-arterial coupling in kidney failure patients.
- To emphasize the need for comprehensive cardiovascular assessment in dialysis patients.
Main Methods:
- Utilizing non-invasive tools such as echocardiography and speckle-tracking techniques.
- Evaluating left ventricular morphology, systolic and diastolic functions, and arterial structure and function.
- Assessing ventriculo-arterial coupling as a load-independent prognostic marker.
Main Results:
- Hemodialysis leads to left ventricular hypertrophy and impaired systolic/diastolic function, with transient reductions in ejection fraction and global longitudinal strain.
- Arterial changes, including increased intima-media thickness and reduced distensibility, contribute to increased afterload.
- Ventriculo-arterial coupling is identified as a valuable prognostic marker in kidney failure patients.
Conclusions:
- Comprehensive assessment of ventricular and arterial functions, particularly ventriculo-arterial coupling, is crucial for managing cardiovascular risks in hemodialysis patients.
- Early detection and intervention strategies targeting fluid management, left ventricular function, and arterial stiffness are essential for improving cardiovascular outcomes.
- Ventriculo-arterial coupling serves as a key indicator for risk prediction and stratification in this high-risk population.
Abstract:
Many studies report that cardiac function is affected by hemodialysis due to alterations in left ventricular morphology and function, particularly left ventricular hypertrophy. Left ventricular hypertrophy is primarily driven by pressure and volume overload, aggravated by factors such as arteriovenous fistulas, anemia, and fluid retention. In addition to left ventricular mass, hemodialysis can impair both left ventricular systolic and diastolic functions, leading to transient reductions in left ventricular ejection fraction, and global longitudinal strain, which are strongly linked to increased mortality. Moreover, chronic dialysis leads to changes in arterial structure and function, including increased intima-media thickness and reduced arterial distensibility, which result in increased afterload. Fluctuating blood pressure during dialysis further affects cardiac function, emphasizing the need for comprehensive assessment of both ventricular and arterial functions, a relationship defined as ventriculo-arterial coupling. In patients with kidney failure, ventriculo-arterial coupling serves as a valuable load-independent prognostic marker, enhancing risk prediction and stratification. Non-invasive tools like echocardiography and speckle-tracking techniques are currently available for evaluating these parameters, enabling early detection and intervention to mitigate cardiovascular risks in patients with kidney failure undergoing hemodialysis. These insights highlight the complex interplay between fluid management, left ventricular function, and arterial stiffness, emphasizing the importance of improved strategies to optimize cardiovascular outcomes in this high-risk population.
Related Concept Videos
01:24Hemodialysis II: Procedure and Complications
01:25Hemodialysis I: Introduction
01:22Heart Failure Drugs: Diuretics
01:25Hemodialysis III: Nursing Management
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
01:29Heart Failure II: Pathophysiology