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1.
J Clin Gastroenterol ; 54(10): 841-849, 2020.
Article in English | MEDLINE | ID: covidwho-1015407

ABSTRACT

BACKGROUND: Coronavirus disease 2019 (COVID-19) has infected over 2 million people worldwide over the course of just several months. Various studies have highlighted that patients infected with COVID-19 may develop various degrees of liver injury. Here, we discuss the impact of underlying liver disease and manifestations of hepatic injury with COVID-19. We also review mechanisms of hepatic injury. METHODS: We searched the database PubMed for all studies focused on hepatic injury in COVID-19. RESULTS: We identified 13 studies that assessed the impact of underlying liver disease in patients infected with COVID-19 (N=3046). Underlying liver disease was one of the most common known comorbid categories in patients infected with COVID-19. Overall, 25% of the patients identified from the 13 studies had hepatic injury. Twenty-one percent and 24% had elevated alanine transaminase and aspartate transaminase values, respectively. Nine percent of the patients had elevated total bilirubin values. Ten of the 13 studies assessed COVID-19 acuity with severity of hepatic injury. In 9 of the 10 studies, clinical outcomes were worse with hepatic injury. CONCLUSIONS: Liver injury is highly prevalent in patients that present with COVID-19. Since the liver is one of the most affected organs outside of the respiratory system in COVID-19, more intensive surveillance is warranted for severe cases, particularly among those with pre-existing advanced liver disease.


Subject(s)
Alanine Transaminase/blood , Aspartate Aminotransferases/blood , Coronavirus Infections/epidemiology , Hepatic Insufficiency/epidemiology , Pandemics/statistics & numerical data , Pneumonia, Viral/epidemiology , Adult , Age Distribution , Aged , COVID-19 , Comorbidity , Coronavirus Infections/prevention & control , Female , Hepatic Insufficiency/diagnosis , Humans , Liver/injuries , Liver/physiopathology , Liver Function Tests , Male , Middle Aged , Pandemics/prevention & control , Pneumonia, Viral/prevention & control , Prevalence , Risk Assessment , Severity of Illness Index , Sex Distribution
2.
Hepatol Int ; 14(5): 621-637, 2020 Sep.
Article in English | MEDLINE | ID: covidwho-671930

ABSTRACT

BACKGROUND AND AIMS: Coronavirus disease 2019 (COVID-19) pandemic is ongoing. Except for lung injury, it is possible that COVID-19 patients develop liver injury. Thus, we conducted a systematic review and meta-analysis to explore the incidence, risk factors, and prognosis of abnormal liver biochemical tests in COVID-19 patients. METHODS: PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), VIP, and Wanfang databases were searched. The incidence of abnormal liver biochemical tests, including aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma-glutamyl transpeptidase (GGT), total bilirubin (TBIL), and albumin (ALB), was pooled. Risk ratio (RR) was calculated to explore the association of abnormal liver biochemical tests with severity and prognosis of COVID-19 patients. RESULTS: Forty-five studies were included. The pooled incidence of any abnormal liver biochemical indicator at admission and during hospitalization was 27.2% and 36%, respectively. Among the abnormal liver biochemical indicators observed at admission, abnormal ALB was the most common, followed by GGT, AST, ALT, TBIL, and ALP (39.8%, 35.8%, 21.8%, 20.4%, 8.8%, and 4.7%). Among the abnormal liver biochemical indicators observed during hospitalization, abnormal ALT was more common than AST and TBIL (38.4%, 28.1%, and 23.2%). Severe and/or critical patients had a significantly higher pooled incidence of abnormal liver biochemical indicators at admission than mild and/or moderate patients. Non-survivors had a significantly higher incidence of abnormal liver biochemical indicators than survivors (RR = 1.34, p = 0.04). CONCLUSIONS: Abnormal liver biochemical tests are common in COVID-19 patients. Liver biochemical indicators are closely related to the severity and prognosis of COVID-19 patients.


Subject(s)
Coronavirus Infections , Critical Care , Hepatic Insufficiency , Liver Function Tests/methods , Pandemics , Pneumonia, Viral , COVID-19 , Coronavirus Infections/blood , Coronavirus Infections/mortality , Coronavirus Infections/therapy , Critical Care/methods , Critical Care/statistics & numerical data , Hepatic Insufficiency/diagnosis , Hepatic Insufficiency/epidemiology , Hepatic Insufficiency/virology , Humans , Incidence , Pneumonia, Viral/blood , Pneumonia, Viral/mortality , Pneumonia, Viral/therapy , Prognosis , Risk Assessment/methods
3.
J Dig Dis ; 21(9): 512-518, 2020 Sep.
Article in English | MEDLINE | ID: covidwho-670044

ABSTRACT

OBJECTIVE: Abnormal liver function is a common form of extra-pulmonary organ damage in patients with coronavirus disease 2019 (COVID-19). Patients with severe COVID-19 have a higher probability and progression of liver injury than those without severe disease. We aimed to evaluate the prognosis of liver injury in patients with COVID-19. METHODS: We retrospectively included 502 patients with laboratory-confirmed SARS-CoV-2 infection. Clinical features and survival of patients with and without liver injury were compared. Cox proportional hazards models were used to determine the variables that might have an effect on survival. RESULTS: Among the 502 patients enrolled, 301 patients had abnormal liver function with increased neutrophil count, C-reactive protein, creatinine, troponin I (TnI), D-dimer, lactose dehydrogenase and creatine kinase. Patients with abnormal liver functions had a higher mortality rate (28.9% vs 9.0%, P < 0.001), a higher ratio of male sex (65.1% vs 40.8%, P < 0.001) and a higher chance of developing systemic inflammatory response syndrome (53.5% vs 41.3%, P = 0.007). Among patients with abnormal liver functions, patients with grade 2 liver damage (with both abnormal alanine aminotransferase or aspartate aminotransferase levels and abnormal alkaline phosphatase or gamma-glutamyl transpeptidase levels) had a higher ratio of male patients, elevated neutrophil count, procalcitonin, D-dimer levels and mortality rate. Multivariate Cox regression analyses suggested that the grade of liver damage (hazard ratio: 1.377, 95% confidence interval: 1.000-1.896, P = 0.049) was an independent predictor of death. CONCLUSIONS: Patients with COVID-19 and abnormal liver functions have a higher mortality than those with normal liver functions. Liver damage is an independent prognostic factor of COVID-19.


Subject(s)
Alanine Transaminase/blood , Aspartate Aminotransferases/blood , C-Reactive Protein/analysis , Coronavirus Infections , Fibrin Fibrinogen Degradation Products/analysis , Hepatic Insufficiency , Pandemics , Pneumonia, Viral , Betacoronavirus/isolation & purification , COVID-19 , China/epidemiology , Coronavirus Infections/blood , Coronavirus Infections/diagnosis , Coronavirus Infections/mortality , Coronavirus Infections/physiopathology , Female , Hepatic Insufficiency/blood , Hepatic Insufficiency/diagnosis , Hepatic Insufficiency/etiology , Humans , Leukocyte Count/methods , Male , Middle Aged , Mortality , Outcome and Process Assessment, Health Care , Pneumonia, Viral/blood , Pneumonia, Viral/diagnosis , Pneumonia, Viral/mortality , Pneumonia, Viral/physiopathology , Procalcitonin/blood , Prognosis , Retrospective Studies , SARS-CoV-2 , Severity of Illness Index
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