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Updated: Jul 7, 2026

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
Published on: July 20, 2022
Left atrial volume is associated with inflammation and atherosclerosis in patients with kidney disease
Anupama K Rao1, Arjang Djamali, Claudia E Korcarz
1Division of Cardiovascular Medicine and Section of Nephrology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792, USA.
Insights
In advanced chronic kidney disease (CKD), left atrial volume (LAV) is linked to inflammation, atherosclerosis, and impaired heart function. Higher LAV indicates increased cardiovascular risk in CKD patients.
Area of Science:
- Cardiology
- Nephrology
- Echocardiography
Background:
- Left atrial volume (LAV) predicts cardiovascular events in the general population.
- The predictors of LAV in advanced chronic kidney disease (CKD) are not well understood.
Purpose of the Study:
- To evaluate predictors of left atrial volume (LAV) in patients with advanced chronic kidney disease (CKD).
- To determine if increasing LAV identifies increased cardiovascular risk in CKD patients.
Main Methods:
- Transthoracic echocardiography was used to measure LAV in CKD patients.
- Carotid intima-media thickness and lipoproteins were assessed.
- Univariate and multivariable regression analyses were performed to evaluate relationships with LAV.
Main Results:
- Systolic blood pressure, C-reactive protein, carotid intima-media thickness, peak transmitral E-wave, and mitral regurgitation correlated with LAV.
- LAV was higher in patients with a history of stroke or significant coronary artery stenosis.
- High-sensitivity C-reactive protein (hs-CRP), transmitral E-wave velocity, and stroke history independently predicted LAV.
Conclusions:
- In advanced CKD, LAV is associated with inflammation, increased early transmitral filling velocities, and atherosclerosis.
- These factors suggest that increasing LAV may indicate heightened cardiovascular risk in CKD patients.
Background:
Left atrial volume (LAV) is an independent echocardiographic predictor of cardiovascular events in the general population. We evaluated predictors of LAV in patients with advanced chronic kidney disease (CKD).
Hypothesis:
Increasing LAV identifies increased cardiovascular risk in patients with CKD.
Methods:
Transthoracic echocardiography was performed in CKD patients undergoing cardiovascular evaluation prior to listing for renal transplantation. LAV was measured using the biplane area-length formula and indexed for body surface area. Carotid intima-media thickness was assessed by B-mode ultrasound. Lipoproteins were measured by nuclear magnetic resonance spectroscopy. Values are presented as mean (standard deviation). Relationships with LAV were evaluated using univariate and multivariable regression analyses.
Results:
There were 99 participants (80% white, 68% male). Their mean age was 55.7 (9.3) years. Significant correlates of LAV were systolic blood pressure (r = 0.24), C-reactive protein (r = 0.29), carotid intima-media thickness (r = 0.29), peak transmitral E-wave (r = 0.38), and severity of mitral regurgitation (r = 0.23, P < 0.05 for all). LAV also was higher among individuals with a history of stroke (45 mL/m2 vs 36.3 mL/m2, P = 0.04) and with >75% stenosis on coronary angiography (38.4 mL/m2 vs 31.8 mL/m2, P = 0.03). In regression models, high sensitivity CRP (hs-CRP), the transmitral E-wave velocity, and a history of stroke independently predicted LAV (P < or = 0.05).
Conclusion:
In individuals with advanced CKD, LAV is associated with inflammation, increased early transmitral filling velocities, and atherosclerosis. These findings may indicate increased cardiovascular risk with increasing LAV in patients with CKD.
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