Renal failure · 2024
The relationship between HBV antigens deposition in kidneys and renal prognosis in IgA nephropathy patients infected with HBV.
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Guo Yun, Li Shangmei, Wei Jiali, Luo Mianna, Liu Huafeng
Аннотация
BACKGROUND: Hepatitis B virus (HBV) is a risk factor for the progression of immunoglobulin A (IgA) nephropathy. The effect of HBV antigens deposition in kidneys and treatment influencing HBV deposition requires further investigation.
METHODS: We analyzed 198 patients with IgAN, including 99 patients with HBV infection and 99 propensity score-matched patients without HBV infection. The primary outcome was a composite of 30% decrease in eGFR from the baseline, kidney failure and all-cause mortality. A Cox proportional hazard model was used to assess the impact of both HBV positive in the serum and HBV antigens deposition in the kidneys on renal outcomes.
RESULTS: Among 198 individuals, 27 primary composite outcome events were observed, of which 20 (20%) in the HBV positive group and seven (7%) were in the HBV-negative group. The former had a 2.72-fold increased risk of primary outcome events (adjusted hazard ratio: 2.22; 95% confidence interval: 0.89-5.53). HBV antigens deposition in kidneys increased the risk significantly after adjusting for confounders at the latest follow-up (adjusted hazard ratio: 7.49; 95% confidence interval: 1.00-56.04). Antiviral treatment did not influence the deposition of HBV antigens.
CONCLUSIONS: HBV antigen deposition in the kidneys, compared with no deposition in the kidneys, was associated with a 7.49-fold increased risk of renal prognosis in patients with IgA nephropathy.
METHODS: We analyzed 198 patients with IgAN, including 99 patients with HBV infection and 99 propensity score-matched patients without HBV infection. The primary outcome was a composite of 30% decrease in eGFR from the baseline, kidney failure and all-cause mortality. A Cox proportional hazard model was used to assess the impact of both HBV positive in the serum and HBV antigens deposition in the kidneys on renal outcomes.
RESULTS: Among 198 individuals, 27 primary composite outcome events were observed, of which 20 (20%) in the HBV positive group and seven (7%) were in the HBV-negative group. The former had a 2.72-fold increased risk of primary outcome events (adjusted hazard ratio: 2.22; 95% confidence interval: 0.89-5.53). HBV antigens deposition in kidneys increased the risk significantly after adjusting for confounders at the latest follow-up (adjusted hazard ratio: 7.49; 95% confidence interval: 1.00-56.04). Antiviral treatment did not influence the deposition of HBV antigens.
CONCLUSIONS: HBV antigen deposition in the kidneys, compared with no deposition in the kidneys, was associated with a 7.49-fold increased risk of renal prognosis in patients with IgA nephropathy.