期刊
NEW ENGLAND JOURNAL OF MEDICINE
卷 382, 期 11, 页码 1018-1028出版社
MASSACHUSETTS MEDICAL SOC
DOI: 10.1056/NEJMoa1912035
关键词
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资金
- National Institutes of Health [K23 DK122104, R01 CA137178]
- Nyckelfonden (Orebro University Hospital, Sweden)
- Region Stockholm County
- American Association for the Study of Liver Diseases
- Boston Nutrition Obesity Research Council
- Region Orebro County
- Karolinska Institutet
This registry study examined the association between aspirin use and hepatocellular carcinoma and liver-related mortality in adults in Sweden with hepatitis B or hepatitis C. The 10-year cumulative incidences of hepatocellular carcinoma and liver-related death were lower among aspirin users than among nonusers. Background More information is needed about the long-term effects of low-dose aspirin (<= 160 mg) on incident hepatocellular carcinoma, liver-related mortality, and gastrointestinal bleeding in persons with chronic hepatitis B or hepatitis C virus infection. Methods Using nationwide Swedish registries, we identified all adults who received a diagnosis of chronic hepatitis B or hepatitis C from 2005 through 2015 and who did not have a history of aspirin use (50,275 patients). Patients who were starting to take low-dose aspirin (14,205 patients) were identified by their first filled prescriptions for 90 or more consecutive doses of aspirin. We constructed a propensity score and applied inverse probability of treatment weighting to balance baseline characteristics between groups. Using Cox proportional-hazards regression modeling, we estimated the risk of hepatocellular carcinoma and liver-related mortality, accounting for competing events. Results With a median of 7.9 years of follow-up, the estimated cumulative incidence of hepatocellular carcinoma was 4.0% among aspirin users and 8.3% among nonusers of aspirin (difference, -4.3 percentage points; 95% confidence interval [CI], -5.0 to -3.6; adjusted hazard ratio, 0.69; 95% CI, 0.62 to 0.76). This inverse association appeared to be duration-dependent; as compared with short-term use (3 months to <1 year), the adjusted hazard ratios were 0.90 (95% CI, 0.76 to 1.06) for 1 to less than 3 years of use, 0.66 (95% CI, 0.56 to 0.78) for 3 to less than 5 years of use, and 0.57 (95% CI, 0.42 to 0.70) for 5 or more years of use. Ten-year liver-related mortality was 11.0% among aspirin users and 17.9% among nonusers (difference, -6.9 percentage points [95% CI, -8.1 to -5.7]; adjusted hazard ratio, 0.73 [95% CI, 0.67 to 0.81]). However, the 10-year risk of gastrointestinal bleeding did not differ significantly between users and nonusers of aspirin (7.8% and 6.9%, respectively; difference, 0.9 percentage points; 95% CI, -0.6 to 2.4). Conclusions In a nationwide study of patients with chronic viral hepatitis in Sweden, use of low-dose aspirin was associated with a significantly lower risk of hepatocellular carcinoma and lower liver-related mortality than no use of aspirin, without a significantly higher risk of gastrointestinal bleeding. (Funded by the National Institutes of Health and others.)
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