European journal of gastroenterology & hepatology · 2024
Secondary sclerosing cholangitis due to drug-induced liver injury: a retrospective cohort study.
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Chen Qiannan, Kong Derun, Liu Xiaochang
Аннотация
BACKGROUND: The main objective of our study was to assess the frequency of drug-induced liver injury (DILI) patients with coexisting secondary sclerosing cholangitis (SSC) within our center and then analyze clinical features of these patients. SSC has received limited attention in the context of DILI. These changes can be observed on magnetic resonance cholangiopancreatography (MRCP).
METHODS: We conducted a single-center retrospective cohort study involving 185 consecutive patients diagnosed with DILI between January 2020 and August 2024. We reviewed MRCP images of 81 available patients.
RESULTS: Among the 185 patients, 81 underwent MRCP and 14 patients (17.3%) were diagnosed with SSC. Nine (64.3%) of 14 were diagnosed with biliary strictures in extrahepatic bile ducts, and 11 of 14 patients (78.6%) displayed segmental distribution. The SSC group showed higher peak alkaline phosphatase (ALP) values (660 vs. 290 U/l, P = 0.015), longer resolution time (114 vs. 61 days, P = 0.038), and a higher frequency of chronic injury (35.7% vs. 10.4%, P = 0.016). Multivariate logistic regression analysis identified peak ALP values as a risk factor for SSC [odds ratio = 1.002 (1.000-1.005), P = 0.030].
CONCLUSION: The prevalence of drug-related SSC has noticeably increased in recent years. The higher peak ALP values potentially associated with an increased risk of drug-related SSC onset.
METHODS: We conducted a single-center retrospective cohort study involving 185 consecutive patients diagnosed with DILI between January 2020 and August 2024. We reviewed MRCP images of 81 available patients.
RESULTS: Among the 185 patients, 81 underwent MRCP and 14 patients (17.3%) were diagnosed with SSC. Nine (64.3%) of 14 were diagnosed with biliary strictures in extrahepatic bile ducts, and 11 of 14 patients (78.6%) displayed segmental distribution. The SSC group showed higher peak alkaline phosphatase (ALP) values (660 vs. 290 U/l, P = 0.015), longer resolution time (114 vs. 61 days, P = 0.038), and a higher frequency of chronic injury (35.7% vs. 10.4%, P = 0.016). Multivariate logistic regression analysis identified peak ALP values as a risk factor for SSC [odds ratio = 1.002 (1.000-1.005), P = 0.030].
CONCLUSION: The prevalence of drug-related SSC has noticeably increased in recent years. The higher peak ALP values potentially associated with an increased risk of drug-related SSC onset.