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Updated: Dec 20, 2025
Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease
Published on: March 24, 2023
Peripheral Artery Disease and Risk of Fibrosis Deterioration in Nonalcoholic Fatty Liver Disease: A Prospective
Wen Zhu1, Chan Juan Deng1, Li Ping Xuan1
1State Key Laboratory of Medical Genomics, Shanghai National Clinical Research Center for Endocrine and Metabolic Diseases, Collaborative Innovation Center of Systems Biomedicine, Shanghai Institute of Endocrine and Metabolic Diseases, Department of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
Objective:
Liver fibrosis is an important predictor of mortality in nonalcoholic fatty liver disease (NAFLD). Peripheral artery disease (PAD) and liver fibrosis share many common metabolic dysfunctions. We aimed to explore the association between PAD and risk of fibrosis deterioration in NAFLD patients.
Methods:
The study recruited 1,610 NAFLD patients aged ≥ 40 years from a well-defined community at baseline in 2010 and followed up between August 2014 and May 2015. Fibrosis deterioration was defined as the NAFLD fibrosis score (NFS) status increased to a higher category at the follow-up visit. PAD was defined as an ankle-brachial index of < 0.90 or > 1.40.
Results:
During an average of 4.3 years' follow-up, 618 patients progressed to a higher NFS category. PAD was associated with 92% increased risk of fibrosis deterioration [multivariable-adjusted odds ratio ( OR): 1.92, 95% confidence interval ( CI): 1.24, 2.98]. When stratified by baseline NFS status, the OR for progression from low to intermediate or high NFS was 1.74 (95% CI: 1.02, 3.00), and progression from intermediate to high NFS was 2.24 (95% CI: 1.05, 4.80). There was a significant interaction between PAD and insulin resistance (IR) on fibrosis deterioration ( P for interaction = 0.03). As compared with non-PAD and non-IR, the coexistence of PAD and IR was associated with a 3.85-fold (95% CI: 2.06, 7.18) increased risk of fibrosis deterioration.
Conclusion:
PAD is associated with an increased risk of fibrosis deterioration in NAFLD patients, especially in those with IR. The coexistence of PAD and IR may impose an interactive effect on the risk of fibrosis deterioration.
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