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Extreme hyperbilirubinemia: An indicator of morbidity and mortality in sickle cell disease

World Journal of Hepatology 2019年第3期11卷 287-293页

作者： John Paul Haydek cesar taborda Rushikesh Shah Preeti A Reshamwala Morgan L McLemore Fuad El Rassi Saurabh Chawla Department of Medicine Emory University School of Medicine Division of Digestive Diseases Department of Medicine Emory University School of Medicine Department of Hematology and Medical Oncology Emory University School of Medicine

BACKGROUND Sickle cell disease(SCD) is a disorder that results in increased hospitalizations and higher mortality. Advances in management have resulted in increases in life expectancy and led to increasing awareness of sickle cell hepatopathy(SCH).However, its impact in patients on the natural history and outcomes of SCD is not known. Our study aims to describe the prevalence of extreme hyperbilirubinemia(EH), one form of SCH, its effect on morbidity and mortality,and correlations between sickle cell genotype and SCH type. We hypothesize that EH is associated with higher morbidity and mortality.AIM To investigate the effects of EH on morbidity and mortality among patients with SCD.METHODS This retrospective cohort study was performed using a database of patients with SCD treated at Grady Memorial Hospital between May 2004 and January 2017.Patients with EH(defined as total bilirubin above 13.0 mg/dL) were identified. A control group was identified from the same database with patients with total serum bilirubin ≤ 5.0 mg/dL. Electronic medical records were used to extract demographic information, laboratory values, radiology results, current medications, need for transfusions and mortality data. Two samples T-test, chi-squared test and Fisher's exact test were then used to compare the parameters between the two groups.RESULTS Out of the database, fifty-seven charts were found of patients with bilirubin > 13 mg/dL. Prevalence of severe SCH as defined by EH was 4.8%(57/1172). There were no demographic differences between patients with and without EH.Significant genotypic differences existed between the two groups, with hemoglobin SS SCD being much higher in the EH group(P < 0.001). Patients with severe EH had a significant elevations in alanine aminotransferase(157.0 ± 266.2 IU/L vs 19.8 ± 21.3 IU/L, P < 0.001), aspartate aminotransferase(256.5 ± 485.9 U/L vs 28.2 ± 14.7 U/L, P < 0.001) and alkaline phosphatase(218.0 ± 176.2 IU/L vs 85.9 ± 68.4 IU/L, P < 0.001). Patients with EH had significantly higher degree of end

关键词： Sickle cell disease Sickle cell hepatopathy Liver diseases Extreme hyperbilirubinemia Mortality

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Acute and chronic hepatobiliary manifestations of sickle cell disease: A review

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World Journal of Gastrointestinal Pathophysiology 2017年第3期8卷 108-116页

作者： Rushikesh Shah cesar taborda Saurabh Chawla Division of Digestive Diseases Department of Internal Medicine Emory University School of Medicine Department on Medicine Emory University School of Medicine Grady Memorial Hospital

Sickle cell disease(SCD) is a common hemoglobinopathy which can affect multiple organ systems in the body. Within the digestive tract, the hepatobiliary system is most commonly affected in SCD. The manifestations range from benign hyperbilirubinemia to overt liver failure, with the spectrum of acute clinical presentations often referred to as "sickle cell hepatopathy". This is an umbrella term referring to liver dysfunction and hyperbilirubinemia due to intrahepatic sickling process during SCD crisis leading to ischemia, sequestration and cholestasis. In this review, we detail the pathophysiology, clinical presentation and biochemical features of various acute and chronic hepatobiliary manifestations of SCD and present and evaluate existing evidence with regards to management of this disease process. We also discuss recent advances and controversies such as the role of liver transplantation in sickle cell hepatopathy and highlight important questions in this field which would require further research. Our aim with this review is to help increase the understanding, aid in early diagnosis and improve management of this important disease process.

关键词：镰刀房间疾病 Hepatopathy Hepatobiliary Intrahepatic cholestasis 肝的隐遁镰刀房间肝的危机镰刀房间 cholangiopathy 肝移植铁超载

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