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Published on: July 20, 2022
Higher liver stiffness in patients with chronic congestive heart failure: data from NHANES with liver ultrasound
Meiying Zeng1, Yu Chen2, Binghui Zhao1
1Department of Radiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.
Background:
Liver stiffness in patients with chronic congestive heart failure (CCHF) is poorly understood and liver ultrasound transient elastography (LUTE) is a new non-invasive method to detect this condition. In this cross-sectional study we explored liver stiffness and secondary congestive hepatopathy in patients with CCHF detected by LUTE.
Methods:
Data from the National Health and Nutrition Examination Survey (NHANES 2017-2018) were analyzed. All participants undergoing LUTE and without liver disease were included, among whom, 110 participants were diagnosed with CCHF. The cut-off values of stiffness for fibrosis and cirrhosis were above 7.65 and 13.01 kPa, respectively. Data regarding liver stiffness were compared between the participants with and without CCHF.
Results:
Among patients with CCHF, the median liver stiffness was 6.0 kPa, above 7.65 kPa in 32.7% of patients, and above 13.01 kPa in 14.6% of patients. The mean liver stiffness was 5.0 kPa in the control group and was significantly lower than that of patients with CCHF (P<0.001). The ratio of serum albumin/globulin (A/G) gradually decreased according to the liver stiffness of patients with CCHF (P=0.03).
Conclusions:
Patients with CCHF had higher liver stiffness values than controls, nearly one-third had substantial fibrosis, and more than one in seven patients progressed to cirrhosis. The A/G ratio may be a potential biomarker for liver stiffness caused by CCHF.
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