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2096
Severe Vitamin D Deficiency Identifies a Poor
Prognosis in Patients with Chronic Hepatits B
Infection
Zhang Xi1, An Xiaocui1, Liu Xiaojing1, Shi Lei1, Xueliang
Yang2, Kai Zhang1, Chen Yunru1, Li Jianzhou1, Jia Haijuan1,
Zhu Ruixue1, Pan Tiantian3, Ye Feng1 and Lin Shumei1, (1)
Department of Infectious Diseases, The First Affiliated
Hospital, Medical School of Xi’an Jiaotong University, (2)
Department of Infectious Disease, The First Affiliated
Hospital, Medical School of Xi’an Jiaotong University, (3)
The First Affiliated Hospital, Medical School of Xi’an Jiaotong
University, Department of Infectious Diseases
Background: Vitamin D is an important immune modulator
that involves in the metabolic and inflammatory diseases
of the liver. The role of vitamin D in patients with chronic
hepatitis C has been discussed on many forums. However,
studies on the potential interaction between vitamin D level
and chronic hepatitis B (CHB) are still limited. This study
aimed to assess the prevalence of vitamin D deficiency
in patients with chronic hepatitis B virus infection and
evaluate serum vitamin D as progression and prognostic
in chronic hepatitis B virus infection patients. Methods:
Serum vitamin D levels were determined in a cohort of 373
chronic HBV-infected patients (including chronic hepatitis,
compensated liver cirrhosis, decompensated liver cirrhosis,
HCC and acute-on-chronic liver failure). Biochemical
parameters (ALT,AST,ALP,GGT,ALB,TBIL,PT),tumor markers
(AFP),HBV DNA load, blood routine, surface antigen
(HBsAg) and hepatitis B e antigen (HBeAg ) level were
tested .Computed tomography (CT) or ultrasound image
(USG) used for radiological assessment. The association of
the vitamin D levels and chronic hepatitis B was assessed
in uni- and multivariate analysis. Results: The mean
serum level of vitamin D in CHB patients was significantly
lower than that for healthy controls(14.28±7.19ng/ml vs
23.60±6.20ng/ml, P < 0.05). Vitamin D deficiency (<20ng/
ml) was highly prevalent in chronic hepatitis B patients
(76.1%, 283/373). The percentage of patients with vitamin
D deficiency were 68.9%,64.3%,88.4%,83.1% and 72.7%
in chronic hepatitis, compensated cirrhosis, decompensated
cirrhosis, hepatocellular carcinoma and liver failure patients,
respectively(P<0.05). Vitamin D levels were significantly
related to ALT (r = 0.228, P< 0.05), AST(r=0.123,P<0.05),
ALB (r=0.289, P <0.05), GGT (r=0.19,P<0.05),AFP(r=0.159,
P<0.05), and Child-Pugh score(r=-0.221,P<0.05), while no
significant association was found between HBV-DNA and
Vitamin D status(r=0.103,P=0.05). In addition, vitamin D levels
were significantly lower in Child-Pugh score C patients (11.65
±6.76ng/ml), compared to Child-Pugh score B patients(14.08±
7.42ng/ml, P =0.022) and Child-Pugh score A patients (15.57
± 6.95ng/ml, P<0.001) . Based on the multivariate analysis,
serum vitamin D deficiency (<20ng/ml) were independently
predictors associated with progression of CHB patients.
Conclusion: Vitamin D deficiency is prevalent in chronic
hepatitis B patients. Vitamin D deficiency is strongly related to
the severity and progression of chronic HBV infection, it may
be a potential prognostic indicator for HBV related diseases |
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