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Yang SS, Fu F, Xuan QK, Zhang ZX, Li ZJ, Li GB, Yu XY. Hepatitis B surface antigen-negative but hepatitis B envelope antigen-positive false occult hepatitis B virus infection: A case report. World J Hepatol 2024; 16:1199-1207. [DOI: 10.4254/wjh.v16.i10.1199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 08/13/2024] [Accepted: 09/14/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
BACKGROUND Occult hepatitis B infection (OBI) is characterized by the detection of hepatitis B virus (HBV) DNA in serum (usually HBV DNA < 200 IU/mL) or the liver but negativity for hepatitis B surface antigen (HBsAg). The diagnosis of OBI relies on the sensitivity of assays used in the detection of HBV DNA and HBsAg. HBsAg assays with inadequate sensitivity or inability to detect HBV S variants may lead to misdiagnosis of OBI in people with overt HBV infection.
CASE SUMMARY We report a HBsAg-negative but hepatitis B envelope antigen-positive patient who had a significant HBV DNA level. The patient was initially diagnosed as having OBI. However, sequence analysis revealed a unique insertion of amino acid residues at positions 120-124 in the S protein, which affects the formation of a disulfide bond that is associated with the formation of a loop. It is well known that there is an overlap between the S protein and Pol protein. We found that this new insertion site occurred in polymerase/reverse transcriptase domain, indicating that this insertion might be involved in HBV pathogenicity. The patient was finally diagnosed with a false OBI.
CONCLUSION An insertion of amino acid residues at positions 120-124 of the S protein affects the formation of immunodominant epitopes and results in negative HBsAg levels.
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Shan GY, Wan H, Zhang YX, Cheng JY, Qiao DR, Liu YY, Shi WN, Li HJ. Pathogenesis and research progress of nonalcoholic fatty liver disease/nonalcoholic steatohepatitis. World J Hepatol 2024; 16:1142-1150. [DOI: 10.4254/wjh.v16.i10.1142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Revised: 09/05/2024] [Accepted: 09/23/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
In this editorial, we comment on the article by Mei et al. Nonalcoholic steatohepatitis (NASH) is a severe inflammatory subtype of nonalcoholic fatty liver disease (NAFLD) with pathological features including steatosis, hepatocellular damage, and varying degrees of fibrosis. With the epidemic of metabolic diseases and obesity, the prevalence of NAFLD in China has increased, and it is now similar to that in developed countries; thus, NAFLD has become a major chronic liver disease in China. Human epidemiological data suggest that estrogen has a protective effect on NASH in premenopausal women and that sex hormones influence the development of liver disease. This review focuses on the pathogenesis, treatment, and relationship between NASH and other diseases as well as on the relationship between NASH and sex hormone metabolism, with the aim of providing new strategies for the treatment of NASH.
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Qiu XX, Li Z. Bioactive constituents and action mechanism of Xiaoyao San for treatment of non-alcoholic fatty liver disease. World J Hepatol 2024; 16:1213-1215. [DOI: 10.4254/wjh.v16.i10.1213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2024] [Revised: 09/24/2024] [Accepted: 10/09/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
Xiaoyao San (XYS) is a classic Chinese medicine prescription. It is traditionally used to relieve syndrome of “liver stagnation and spleen deficiency”, a common syndrome type in traditional Chinese medicine, through soothing liver, tonifying spleen, and nourishing blood. Correspondingly, XYS has long application in the treatment of depression, dyspepsia and liver diseases. Given the rising of cutting-edge researches on XYS, there’s a significant need to diligently uncover the bioactive constituents and action mechanisms of XYS for treating non-alcoholic fatty liver disease accordingly.
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Musa Y, Ifeorah IM, Maiyaki AS, Almustapha RM, Maisuna YA, Saleh HT, Yakubu A. Liver cell cancer surveillance practice in Nigeria: Pitfalls and future prospects. World J Hepatol 2024; 16:1132-1141. [DOI: 10.4254/wjh.v16.i10.1132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 08/24/2024] [Accepted: 09/20/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is a disease of public health concern in Nigeria, with chronic hepatitis B and C infections contributing most to the disease burden. Despite the increasing incidence of HCC, surveillance practices for early diagnosis and possible cure are not deeply rooted in the country. This article aims to review the current status of HCC surveillance in Nigeria, stressing the encounters, breaches, and potential prospects. Several factors, such as limited tools for screening and diagnostics, insufficient infrastructure, and low cognizance among the doctors, and the general public affect the surveillance practices for HCC in Nigeria. Moreover, the lack of standardized guidelines and protocols for HCC surveillance further intensifies the suboptimal diagnosis and treatment. Nevertheless, there are opportunities for refining surveillance practices in the country. This would be achieved through boosted public health sensitization campaigns, integrating HCC screening into routine clinical services, and leveraging technological developments for early detection and monitoring. Furthermore, collaboration between government agencies, healthcare providers, and international organizations can facilitate the development of comprehensive HCC surveillance programs personalized to the Nigerian setting. Thus, HCC surveillance practice faces substantial challenges. By addressing the drawbacks and leveraging prospects, Nigeria can improve HCC surveillance, with subsequent improved outcomes for individuals at risk of developing the disease.
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Cao WH, Zhang YQ, Li XX, Zhang ZY, Li MH. Advances in immunotherapy for hepatitis B virus associated hepatocellular carcinoma patients. World J Hepatol 2024; 16:1158-1168. [DOI: 10.4254/wjh.v16.i10.1158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 08/28/2024] [Accepted: 09/19/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
Hepatitis B virus (HBV) infection plays an important role in the occurrence and development of hepatocellular carcinoma (HCC), and the rate of HBV infection in liver cancer patients in China is as high as 92.05%. Due to long-term exposure to chronic antigens from the gut, the liver needs to maintain a certain level of immune tolerance, both to avoid severe inflammation caused by non-pathogenic antigens and to maintain the possibility of rapid and violent responses to infection and tumors. Therefore, HBV infection interacts with the tumor microenvironment (TME) through a highly complex and intertwined signaling pathway, which results in a special TME in HCC. Due to changes in the TME, tumor cells can evade immune surveillance by inhibiting tumor-specific T cell function through cytotoxic T-lymphocy-associated protein-4 (CTLA-4) and programmed cell death 1 (PD-1)/programmed cell death ligand 1 (PD-L1). Interferons, as a class of immune factors with strong biological activity, can improve the TME of HBV-HCC through various pathways. In recent years, the systematic treatment of HCC has gradually come out of the dilemma. In addition to the continuous emergence of new multi-target anti-vascular tyrosine kinase inhibitor drugs, immune checkpoint inhibitors have opened up a new avenue for the systematic treatment of HCC. At present, immunotherapy based on PD-1/L1 inhibitors has gradually become a new direction of systematic treatment for HCC, and the disease characteristics of patients included in global clinical studies are different from those of Chinese patients. Therefore, whether a group of HCC patients with HBV background and poor prognosis in China can also benefit from immunotherapy is an issue of wide concern. This review aims to elucidate the advances of immunotherapy for HBV related HCC patients with regard to: (1) Immunotherapy based on interferons; (2) Immunotherapy based on PD-1/L1 inhibitors; (3) Immunotherapy based on CTLA4 inhibitors; (4) Adoptive cell transfer; (5) Combination immunotherapy strategy; and (6) Shortcomings of immunotherapy.
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Li CM, Sun T, Yang MJ, Yang Z, Li Q, Shi JL, Zhang C, Jin JF. Complement activation targeted inhibitor C2-FH ameliorates acetaminophen-induced liver injury in mice. World J Hepatol 2024; 16:1188-1198. [DOI: 10.4254/wjh.v16.i10.1188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 09/12/2024] [Accepted: 09/19/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
BACKGROUND Complement activation is recognized as an important factor in the progression of liver damage caused by acetaminophen (APAP). However, the role of the complement inhibitor C2-FH in APAP-induced liver injury remains unclear.
AIM To explore C2-FH in protecting against APAP-induced liver injury by inhibiting complement activation.
METHODS A model of APAP-induced liver injury was used to study the protective effect of C2-FH on liver injury. C2-FH was administered through intraperitoneal injection 30 minutes after APAP treatment. We detected the effects of C2-FH on liver function, inflammatory response and complement activation. Additionally, RNA-sequencing (RNA-Seq) analysis was conducted to understand the mechanism through which C2-FH provides protection against APAP-induced liver injury.
RESULTS C2-FH inhibited the increase in serum alanine aminotransferase activity, aspartate aminotransferase activity and lactate dehydrogenase, and reduced liver tissue necrosis caused by APAP. Moreover, it attenuated the inflammatory response and inhibited complement activation in APAP-induced liver injury. RNA-Seq analysis provided additional explanations for the protective role of C2-FH against APAP-induced liver injury.
CONCLUSION C2-FH attenuates APAP-induced liver injury by inhibiting complement activation.
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Mossie GY, Nur AM, Ayalew ZS, Azibte GT, Berhane KA. Platelet counts to spleen diameter ratio: A promising noninvasive tool for predicting esophageal varices in cirrhosis patients. World J Hepatol 2024; 16:1177-1187. [DOI: 10.4254/wjh.v16.i10.1177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 08/21/2024] [Accepted: 09/06/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
BACKGROUND Liver cirrhosis is the end stage of progressive liver fibrosis as a consequence of chronic liver inflammation, wherein the standard hepatic architecture is replaced by regenerative hepatic nodules, which eventually lead to liver failure. Cirrhosis without any symptoms is referred to as compensated cirrhosis. Complications such as ascites, variceal bleeding, and hepatic encephalopathy indicate the onset of decompensated cirrhosis. Gastroesophageal varices are the hallmark of clinically significant portal hypertension.
AIM To determine the accuracy of the platelet count-to-spleen diameter (PC/SD) ratio to evaluate esophageal varices (EV) in patients with cirrhosis.
METHODS This retrospective observational study was conducted at Tikur Anbessa Specialized Hospital and Adera Medical Center from January 1, 2019, to December 30, 2023. Data were collected via chart review and direct patient interviews using structured questionnaires. The data were exported to the SPSS software version 26 for analysis and clearance. A receiver operating characteristic curve was plotted for splenic diameter, platelet count, and PC/SD ratio to obtain sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, and negative likelihood ratio.
RESULTS Of the 140 participants, 67% were men. Hepatitis B (38%) was the most common cause of cirrhosis, followed by cryptogenic cirrhosis (28%) and hepatitis C (16%). Approximately 83.6% of the participants had endoscopic evidence of EV, whereas 51.1% had gastric varices. Decompensated cirrhosis and PC were associated with the presence of EV with adjusted odds ratios of 12.63 (95%CI: 3.16-67.58, P = 0.001) and 0.14 (95%CI: 0.037-0.52, P = 0.004), respectively. A PC/SD ratio < 1119 had a sensitivity of 86.32% and specificity of 70% with area under the curve of 0.835 (95%CI: 0.736-0.934, P < 0.001).
CONCLUSION A PC/SD ratio < 1119 predicts EV in patients with cirrhosis. It is a valuable, noninvasive tool for EV risk assessment in resource-limited settings.
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Abdel-Razeq R, Bitar L, Bitar ER, Onwuzo C, Abu-Hammour MN, Eren B, Mohamed I, Johnson A, Boustany A, Onwuzo S, Asaad I. Prevalence and risk factors associated with metabolic dysfunction-associated steatohepatitis in patients with Helicobacter pylori infection: A population-based study. World J Hepatol 2024; 16:1169-1176. [DOI: 10.4254/wjh.v16.i10.1169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 09/03/2024] [Accepted: 09/23/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
BACKGROUND Helicobacter pylori (H. pylori) is associated with the development of gastrointestinal disorders ranging from gastritis to gastric cancer. The evidence of the association between metabolic dysfunction-associated steatohepatitis (MASH) and H. pylori infection in the literature is scarce. Therefore, we aim to evaluate the risk of developing MASH in patients who have had a diagnosis of H. pylori infection independently of any confounding variables.
AIM To evaluate the risk of developing MASH in patients who have had a diagnosis of H. pylori infection.
METHODS This study used a validated multicenter research database of over 360 hospitals across 26 healthcare systems across the United States from 1999 to 2022. Multivariate regression analysis assessed the risk of developing MASH, adjusting for confounders including H. pylori infection, obesity, type 2 diabetes, hypertension, dyslipidemia, and male gender. A two-sided P value < 0.05 was considered as statistically significant, and all statistical analyses were performed using R version 4.0.2 (R Foundation for Statistical Computing, Vienna, Austria, 2008).
RESULTS A total of 79476132 individuals were screened in the database and 69232620 were selected in the final analysis after accounting for inclusion and exclusion criteria. Smokers (14.30%), patients with hyperlipidemia (70.35%), hypertension (73.86%), diabetes mellitus type 2 (56.46%), and obese patients (58.15%) were more common in patients with MASH compared to control. Using a multivariate regression analysis, the risk of MASH was increased in diabetics [odds ratio (OR): 3.55; 95%CI: 3.48-3.62], obese (OR: 5.93; 95%CI: 5.81-6.04), males (OR: 1.49; 95%CI: 1.46-1.52), individuals with hyperlipidemia (OR: 2.43; 95%CI: 2.38-2.49) and H. pylori infection (OR: 2.51; 95%CI: 2.31-2.73).
CONCLUSION This is the largest population-based study in the United States illustrating an increased prevalence and odds of developing MASH in patients with H. pylori infection after adjusting for risk factors.
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Eid N, Bhatnagar P, Chan LL, Garcia-Macia M. Suppression of hepatic steatosis in non-alcoholic steatohepatitis model by modified Xiaoyao San formula: Evidence, mechanisms and perspective. World J Hepatol 2024; 16:1208-1212. [DOI: 10.4254/wjh.v16.i10.1208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 09/24/2024] [Accepted: 10/11/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
In this letter, we comment on a recent publication by Mei et al, in the World Journal of Hepatology, investigating the hepatoprotective effects of the modified Xiaoyao San (MXS) formula in a male rat model of non-alcoholic steatohepatitis (NASH). The authors found that MXS treatment mitigated hepatic steatosis and inflammation in the NASH model, as evidenced by the reduction in lipid droplets (LDs), fibrosis markers and lipogenic factors. Interestingly, these hepatoprotective effects were associated with androgen upregulation (based on metabolomics analysis of male steroid hormone metabolites), adenosine 5’-monophosphate-activated protein kinase (AMPK) activation, and restoration of phosphatase and tensin homolog (PTEN) expression. However, the authors did not clearly discuss the relationships between MXS-induced hepatic steatosis reduction in the NASH model, and androgen upregulation, AMPK activation, and restoration of PTEN expression. This editorial emphasizes the reported mechanisms and explains how they act or interact with each other to reduce hepatic steatosis and inflammation in the NASH model. As a perspective, we propose additional mechanisms (such as autophagy/lipophagy activation in hepatocytes) for the clearance of LDs and suppression of hepatic steatosis by MXS in the NASH model. A proper understanding of the mechanisms of MXS-induced reduction of hepatic steatosis might help in the treatment of NASH and related diseases.
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Marrapu S, Kumar R. Chronic hepatitis B: Prevent, diagnose, and treat before the point of no return. World J Hepatol 2024; 16:1151-1157. [DOI: 10.4254/wjh.v16.i10.1151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Revised: 09/26/2024] [Accepted: 10/10/2024] [Indexed: 10/21/2024] [Imported: 10/21/2024] Open
Abstract
Hepatitis B remains a significant global health challenge, contributing to substantial morbidity and mortality. Approximately 254 million people worldwide live with Chronic hepatitis B (CHB), with the majority of cases occurring in sub-Saharan Africa and the Western Pacific regions. Alarmingly, only about 13.4% of the individuals infected with this disease have been diagnosed, and awareness of hepatitis B virus (HBV) infection status is as low as 1% in sub-Saharan Africa. In 2022, CHB led to 1.1 million deaths globally. The World Health Organization (WHO) has set a target of eliminating hepatitis B as a public health concern by 2030; however, this goal appears increasingly unattainable due to multiple challenges. These challenges include low vaccination coverage; a large number of undiagnosed cases; a low proportion of patients eligible for treatment under current guidelines; limited access to healthcare; and the costs associated with lifelong treatment. Treatment of HBV can yield significant clinical benefits within a long window of opportunity. However, the benefits of therapy are markedly diminished when the disease is detected at the advanced cirrhosis stage. This editorial aim to highlight the current challenges in hepatitis care and the necessary steps to achieve the WHO's hepatitis elimination goals for 2030.
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Montoya-Buelna M, Ramirez-Lopez IG, San Juan-Garcia CA, Garcia-Regalado JJ, Millan-Sanchez MS, de la Cruz-Mosso U, Haramati J, Pereira-Suarez AL, Macias-Barragan J. Contribution of extracellular vesicles to steatosis-related liver disease and their therapeutic potential. World J Hepatol 2024; 16:1211-1228. [PMID: 39351515 PMCID: PMC11438597 DOI: 10.4254/wjh.v16.i9.1211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/31/2024] [Accepted: 08/13/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
Extracellular vesicles (EVs) are small particles released by many cell types in different tissues, including the liver, and transfer specific cargo molecules from originating cells to receptor cells. This process generally culminates in activation of distant cells and inflammation and progression of certain diseases. The global chronic liver disease (CLD) epidemic is estimated at 1.5 billion patients worldwide. Cirrhosis and liver cancer are the most common risk factors for CLD. However, hepatitis C and B virus infection and obesity are also highly associated with CLD. Nonetheless, the etiology of many CLD pathophysiological, cellular, and molecular events are unclear. Changes in hepatic lipid metabolism can lead to lipotoxicity events that induce EV release. Here, we aimed to present an overview of EV features, from definition to types and biogenesis, with particular focus on the molecules related to steatosis-related liver disease, diagnosis, and therapy.
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Al-Nimer MSM. Concomitant determination of hematological indices supported the application of the albumin-bilirubin score in non-malignant liver diseases. World J Hepatol 2024; 16:1308-1311. [PMID: 39351517 PMCID: PMC11438590 DOI: 10.4254/wjh.v16.i9.1308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 08/12/2024] [Accepted: 08/26/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
The albumin-bilirubin (ALBI) score is a useful prognostic marker that predicts mortality in patients suffering from terminal diseases. Recently, it has been reported that ALBI score is a predictor of non-malignant liver diseases. The cutoff point of the ALBI score that distinguishes hepatocellular carcinoma from non-malignant liver disease is still not identified. Therefore, the ALBI score is a sensitive rather than a specific predictor of the poor outcomes of liver diseases. There are many hematological indices and ratios that are utilized as prognostic biomarkers. Among these biomarkers are the neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio (PLR), and platelet-hemoglobin ratio (PHR), which are useful discriminating prognostic biomarkers for liver diseases, e.g., hepatocellular carcinoma, hepatitis, liver fibrosis, etc. There is evidence that PLR and PHR are prognostic biomarkers that predict the poor outcomes of diseases. Therefore, concomitant measurements of ALBI score and PHR or ALBI score and PLR will improve the predictive value that can differentiate hepatocellular carcinoma from non-malignant diseases.
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Yang JX, Peng YM, Zeng HT, Lin XM, Xu ZL. Drainage of ascites in cirrhosis. World J Hepatol 2024; 16:1245-1257. [PMID: 39351514 PMCID: PMC11438587 DOI: 10.4254/wjh.v16.i9.1245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 07/20/2024] [Accepted: 07/29/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
For cirrhotic refractory ascites, diuretics combined with albumin and vasoactive drugs are the first-line choice for ascites management. However, their therapeutic effects are limited, and most refractory ascites do not respond to medication treatment, necessitating consideration of drainage or surgical interventions. Consequently, numerous drainage methods for cirrhotic ascites have emerged, including large-volume paracentesis, transjugular intrahepatic portosystemic shunt, peritoneovenous shunt, automated low-flow ascites pump, cell-free and concentrated ascites reinfusion therapy, and peritoneal catheter drainage. This review introduces the advantages and disadvantages of these methods in different aspects, as well as indications and contraindications for this disease.
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Gong Y. Calcineurin inhibitors-related posterior reversible encephalopathy syndrome in liver transplant recipients: Three case reports and review of literature. World J Hepatol 2024; 16:1297-1307. [PMID: 39351518 PMCID: PMC11438596 DOI: 10.4254/wjh.v16.i9.1297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 08/22/2024] [Accepted: 08/28/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
BACKGROUND Posterior reversible encephalopathy syndrome (PRES), characterized by acute neurological deterioration and extensive white matter lesions on T2-fluid attenuated inversion recovery magnetic resonance imaging (MRI), is increasingly associated with calcineurin inhibitors (CNI)-related neurotoxicity. Prompt diagnosis is crucial, as early intervention, including the modification or discontinuation of CNI therapy, strict blood pressure management, corticosteroid treatment, and supportive care can significantly improve patient outcomes and prognosis. The growing clinical recognition of CNI-related PRES underscores the importance of identifying and managing this condition in patients presenting with acute neurological symptoms. CASE SUMMARY This report describes three cases of liver transplant recipients who developed PRES. The first case involves a 60-year-old woman who experienced seizures, aphasia, and hemiplegia on postoperative day (POD) 9, with MRI revealing ischemic foci followed by extensive white matter lesions. After replacing tacrolimus, her symptoms improved, and no significant MRI abnormalities were observed after three years of follow-up. The second case concerns a 54-year-old woman with autoimmune hepatitis who developed headaches, seizures, and extensive white matter demyelination on MRI on POD24. Following the switch to rapamycin and the initiation of corticosteroids, her symptoms resolved, and she was discharged on POD95. The third case details a 60-year-old woman with hepatocellular carcinoma who developed PRES, evidenced by brain MRI abnormalities on POD11. Transitioning to rapamycin and corticosteroid therapy led to her full recovery, and she was discharged on POD22. These cases highlight the critical importance of early diagnosis, CNI modification, and stringent management in improving outcomes for liver transplant recipients with CNI-related PRES. CONCLUSION Clinical manifestations, combined with characteristic MRI findings, are crucial in diagnosing PRES among organ transplant recipients. However, when standard treatments are ineffective or MRI results are atypical, alternative diagnoses should be taken into considered.
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Ray G. Functional cure of chronic hepatitis B-hope or hype? World J Hepatol 2024; 16:1199-1205. [PMID: 39351521 PMCID: PMC11438592 DOI: 10.4254/wjh.v16.i9.1199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 08/25/2024] [Accepted: 09/02/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
Chronic hepatitis B constitutes a substantial disease burden worldwide. The steps advocated by the World Health Organization in 2016 to eradicate hepatitis B by 2030 has failed to achieve significant progress, especially with respect to immunization coverage and linkage to care. The lack of governmental and public awareness regarding the long-term implications of hepatitis B burden cause underfunding of developmental projects. The presently approved treatment modalities have limited efficacy in complete viral eradication, hence the need for newer molecules to achieve functional cure (sustained undetectable hepatitis B surface antigen (HBsAg) and hepatitis B virus DNA in peripheral blood after a finite period of therapy). However, preliminary results from trials of novel therapies show their inadequacy to achieve this end by themselves but better performance with a low baseline serum HBsAg with nucleos(t)ide analogues (NA) treatment which need to be combined with/without pegylated interferon as an immunomodulator. Such therapy is limited by cost and adverse events and need to show incremental benefit over the standard of care (long-term NA therapy) with respect to efficacy and drug toxicities, making the development process tenuous. Thus, while such therapies continue to be tested, strategies should still focus on prevention of transmission by non-pharmaceutical measures, vaccination and increasing linkage to care.
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Tang RX, Xie XJ, Xiong Y, Li S, Luo C, Wang YG. C23 ameliorates carbon tetrachloride-induced liver fibrosis in mice. World J Hepatol 2024; 16:1278-1288. [PMID: 39351519 PMCID: PMC11438593 DOI: 10.4254/wjh.v16.i9.1278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 08/10/2024] [Accepted: 08/21/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
BACKGROUND C23, an oligo-peptide derived from cold-inducible RNA-binding protein (CIRP), has been reported to inhibit tissue inflammation, apoptosis and fibrosis by binding to the CIRP receptor; however, there are few reports on its role in liver fibrosis and the underlying mechanism is unknown. AIM To explore whether C23 plays a significant role in carbon tetrachloride (CCl4)-induced liver fibrosis. METHODS CCl4 was injected for 6 weeks to induce liver fibrosis and C23 was used beginning in the second week. Masson and Sirius red staining were used to examine changes in fiber levels. Inflammatory factors in the liver were detected and changes in α-smooth muscle actin (α-SMA) and collagen I expression were detected via immunohistochemical staining to evaluate the activation of hematopoietic stellate cells (HSCs). Western blotting was used to detect the activation status of the transforming growth factor-beta (TGF-β)/Smad3 axis after C23 treatment. RESULTS CCl4 successfully induced liver fibrosis in mice, while tumor necrosis factor-alpha (TNF-α), IL (interleukin)-1β, and IL-6 levels increased significantly and the IL-10 level decreased significantly. Interestingly, C23 inhibited this process. On the other hand, C23 significantly inhibited the activation of HSCs induced by CCl4, which inhibited the expression of α-SMA and the synthesis of collagen I. In terms of mechanism, C23 can block Smad3 phosphorylation significantly and inhibits TGF-β/Smad3 pathway activation, thereby improving liver injury caused by CCl4. CONCLUSION C23 may block TGF-β/Smad3 axis activation, inhibit the expression of inflammatory factors, and inhibit the activation of HSCs induced by CCl4, alleviating liver fibrosis.
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Guerra-Ruiz A. Kick-start for metabolomics in liver disease. World J Hepatol 2024; 16:1206-1210. [PMID: 39351520 PMCID: PMC11438589 DOI: 10.4254/wjh.v16.i9.1206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 07/12/2024] [Accepted: 07/17/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
It is not complicated for the clinician to diagnose a patient with advanced fibrosis or liver cirrhosis when he has already presented some decompensation of his liver disease. However, it is in the earliest stages when the patient's prognosis can be modified the most. Since liver disease is generally asymptomatic, not invasive markers are of great relevance. In the era of omics, it is time for metabolomics to accompany genomics and proteomics, which are more established in the diagnostics and prognostics clinical toolbox. Metabolomics, understood as the comprehensive evaluation of the metabolites present in the organism in a specific physiological situation, has undoubted advantages in the study and identification of serum markers relevant to a specific pathology. Last year, I read with interest two articles published in this journal: "Baseline metabolites could predict responders with hepatitis B virus-related liver fibrosis for entecavir or combined with FuzhengHuayu tablet" by Dai et al and "Metabolomics in chronic hepatitis C: Decoding fibrosis grading and underlying pathways" by Ferrasi et al. Both papers illuminate the power of metabolomics to provide us with new tools in the management of liver disease. In this editorial, I comment on these studies and others, and note how they can contribute to our understanding of liver disease in more than one way.
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Jayabalan D, Huang Y, Calzadilla-Bertot L, Janjua M, de Boer B, Joseph J, Cheng W, Hazeldine S, Smith BW, MacQuillan GC, Wallace MC, Garas G, Adams LA, Jeffrey GP. Predictors of survival in autoimmune liver disease overlap syndromes. World J Hepatol 2024; 16:1269-1277. [PMID: 39351512 PMCID: PMC11438591 DOI: 10.4254/wjh.v16.i9.1269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 06/16/2024] [Accepted: 06/27/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
BACKGROUND Survival in patients with autoimmune liver disease overlap syndromes (AILDOS) compared to those with single autoimmune liver disease is unclear. AIM To investigate the survival of patients with AILDOS and assess the accuracy of non-invasive serum models for predicting liver-related death. METHODS Patients with AILDOS were defined as either autoimmune hepatitis and primary biliary cholangitis overlap (AIH-PBC) or autoimmune hepatitis and primary sclerosing cholangitis overlap (AIH-PSC) and were identified from three tertiary centres for this cohort study. Liver-related death or transplantation (liver-related mortality) was determined using a population-based data linkage system. Prognostic scores for liver-related death were compared for accuracy [including liver outcome score (LOS), Hepascore, Mayo Score, model for end-stage liver disease (MELD) score and MELD incorporated with serum sodium (MELD-Na) score]. RESULTS Twenty-two AILDOS patients were followed for a median of 3.1 years (range, 0.35-7.7). Fourteen were female, the median age was 46.7 years (range, 17.8 to 82.1) and median Hepascore was 1 (range, 0.07-1). At five years post enrolment, 57% of patients remained free from liver-related mortality (74% AIH-PBC, 27% AIH-PSC). There was no significant difference in survival between AIH-PBC and AIH-PSC. LOS was a significant predictor of liver-related mortality (P < 0.05) in patients with AIH-PBC (n = 14) but not AIH-PSC (n = 8). A LOS cut-point of 6 discriminated liver-related mortality in AIH-PBC patients (P = 0.012, log-rank test, 100% sensitivity, 77.8% specificity) (Harrell's C-statistic 0.867). The MELD score, MELD-Na score and Mayo Score were not predictive of liver-related mortality in any group. CONCLUSION Survival in the rare, AILDOS is unclear. The current study supports the LOS as a predictor of liver-related mortality in AIH-PBC patients. Further trials investigating predictors of survival in AILDOS are required.
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Wu YC, Xiang XL, Yong JK, Li M, Li LM, Lv ZC, Zhou Y, Sun XC, Zhang ZJ, Tong H, He XY, Xia Q, Feng H. Immune remodulation in pediatric inherited metabolic liver diseases. World J Hepatol 2024; 16:1258-1268. [PMID: 39351516 PMCID: PMC11438594 DOI: 10.4254/wjh.v16.i9.1258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/28/2024] [Accepted: 08/19/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
Inherited metabolic liver diseases arise from genetic mutations that lead to disruptions in liver metabolic pathways and are predominantly observed in pediatric populations. The spectrum of genetic metabolic liver disorders is diverse, encompassing a range of conditions associated with aberrations in iron, copper, carbohydrate, lipid, protein, and amino acid metabolism. Historically, research in the domain of genetic metabolic liver diseases has predominantly concentrated on hepatic parenchymal cell alterations. Nevertheless, emerging studies suggest that inherited metabolic liver diseases exert significant influences on the immune microenvironment, both within the liver and systemically. This review endeavors to encapsulate the immunological features of genetic metabolic liver diseases, aiming to expand the horizons of researchers in this discipline, and to elucidate the underlying pathophysiological mechanisms pertinent to hereditary metabolic liver diseases and to propose innovative therapeutic approaches.
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Yang XC, Fang M, Peng YG, Wang L, Ju R. Hepatic ectopic pregnancy with hemorrhage secondary diaphragmatic adhesion: A case report. World J Hepatol 2024; 16:1289-1296. [PMID: 39351513 PMCID: PMC11438595 DOI: 10.4254/wjh.v16.i9.1289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 07/26/2024] [Accepted: 08/28/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
BACKGROUND Primary abdominal pregnancy is an extremely rare form of ectopic pregnancy. Ectopic pregnancies that occur in the liver and diaphragm are even rarer, limited case reports are available in the literature. CASE SUMMARY A woman of childbearing age was transferred to the emergency department due to lumbar and abdominal pain radiating to the back toward the lower right. After a series of physical and auxiliary examinations, she was clinically diagnosed with hepatic ectopic pregnancy. Laparoscopic surgery was performed to remove the pregnancy tissue and achieve hemostasis. After a period of follow-up, the patient was successfully cured. CONCLUSION Paying attention to the patient's signs and utilizing imaging examination methods can help avoid missed diagnoses of liver pregnancy.
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Fierro-Angulo OM, González-Regueiro JA, Pereira-García A, Ruiz-Margáin A, Solis-Huerta F, Macías-Rodríguez RU. Hematological abnormalities in liver cirrhosis. World J Hepatol 2024; 16:1229-1244. [PMID: 39351511 PMCID: PMC11438588 DOI: 10.4254/wjh.v16.i9.1229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 08/09/2024] [Accepted: 08/22/2024] [Indexed: 09/23/2024] [Imported: 09/23/2024] Open
Abstract
Hematological abnormalities are common in cirrhosis and are associated with various pathophysiological mechanisms. Studies have documented a prevalence of thrombocytopenia, leukopenia, and anemia in patients with compensated cirrhosis of 77.9%, 23.5%, and 21.1%, respectively. These abnormalities carry significant clinical implications, including considerations for invasive procedures, infection risk, bleeding risk, and prognosis. Previously, cirrhosis was believed to predispose patients to bleeding due to alterations observed in classical coagulation tests such as prothrombin time, partial thromboplastin time, international normalized ratio, and thrombocytopenia. However, this understanding has evolved, and cirrhosis patients are now also acknowledged as being at a high risk for thrombotic events. Hemostasis in cirrhosis patients presents a complex phenotype, with procoagulant and anticoagulant abnormalities offsetting each other. This multifactorial phenomenon is inadequately reflected by routine laboratory tests. Thrombotic complications are more prevalent in decompensated cirrhosis and may correlate with disease severity. Bleeding is primarily associated with portal hypertension, endothelial dysfunction, mechanical vessel injury, disseminated intravascular coagulation, endotoxemia, and renal injury. This review comprehensively outlines hematologic index abnormalities, mechanisms of hemostasis, coagulation, and fibrinolysis abnormalities, limitations of laboratory testing, and clinical manifestations of bleeding and thrombosis in patients with liver cirrhosis.
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Liang QJ, Long QQ, Tian FQ, Su QY, Zhu XY, Long XD. Tissue inhibitor of metalloproteinase-3 expression affects clinicopathological features and prognosis of aflatoxin B1-related hepatocellular carcinoma. World J Hepatol 2024; 16:1131-1144. [PMID: 39221097 PMCID: PMC11362908 DOI: 10.4254/wjh.v16.i8.1131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 06/27/2024] [Accepted: 07/10/2024] [Indexed: 08/21/2024] [Imported: 08/21/2024] Open
Abstract
BACKGROUND The dysregulation of tissue inhibitor of metalloproteinase-3 (TIMP3) was positively correlated with the progression of hepatocellular carcinoma (HCC). However, it is not clear whether TIMP3 expression is associated with the clinicopathological features and prognosis of aflatoxin B1 (AFB1)-related HCC (AHCC). AIM To assess the effects of TIMP3 expression on the clinicopathological features and prognosis of AHCC. METHODS A retrospective study, including 182 patients with AHCC, was conducted to explore the link between TIMP3 expression in cancerous tissues and the clinicopathological characteristics and prognosis of AHCC. TIMP3 expression was detected by immunohistochemistry and its effects on the clinicopathological features and prognosis of AHCC were evaluated by Kaplan-Meier survival analysis and Cox regression survival analysis. Odds ratio, hazard ratio (HR), median overall survival time (MST), median tumor recurrence-free survival time (MRT), and corresponding 95% confidential interval (CI) was calculated to evaluate the potential of TIMP3 expression in predicting AHCC prognosis. RESULTS Kaplan-Meier survival analysis showed that compared with high TIMP3 expression, low TIMP3 expression in tumor tissues significantly decreased the MST (36.00 mo vs 18.00 mo) and MRT (32.00 mo vs 16 mo) of patients with AHCC. Multivariate Cox regression survival analysis further proved that decreased expression of TIMP3 increased the risk of death (HR = 2.85, 95%CI: 2.04-4.00) and tumor recurrence (HR = 2.26, 95%CI: 1.57-3.26). Furthermore, decreased expression of TIMP3 protein in tissues with AHCC was significantly correlated with tumor clinicopathological features, such as tumor size, tumor grade and stage, tumor microvessel density, and tumor blood invasion. Additionally, TIMP3 protein expression was also negatively associated with amount of AFB1-DNA adducts in tumor tissues. CONCLUSION These findings indicate that the dysregulation of TIMP3 expression is related to AHCC biological behaviors and affects tumor outcome, suggesting that TIMP3 may act as a prognostic biomarker for AHCC.
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Alenzi M, Almeqdadi M. Bridging the gap: Addressing disparities in hepatitis C screening, access to care, and treatment outcomes. World J Hepatol 2024; 16:1091-1098. [PMID: 39221096 PMCID: PMC11362903 DOI: 10.4254/wjh.v16.i8.1091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/19/2024] [Accepted: 07/03/2024] [Indexed: 08/21/2024] [Imported: 08/21/2024] Open
Abstract
Hepatitis C virus (HCV) is a significant public health challenge globally, with substantial morbidity and mortality due to chronic liver disease. Despite the availability of highly effective and well-tolerated direct-acting antiviral therapies, widespread disparities remain in hepatitis C screening, access to treatment, linkage to care, and therapeutic outcomes. This review article synthesizes evidence from various studies to highlight the multifactorial nature of these disparities, which affects ethnic minorities, people with lower socioeconomic status, individuals with substance use disorders, and those within correctional facilities. The review also discusses policy implications and targeted strategies needed to overcome barriers and ensure equitable care for all individuals with HCV. Recommendations for future research to address gaps in knowledge and evaluation of the effectiveness of interventions designed to reduce disparities are provided.
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Huang ZH, Dong MQ, Liu FY, Zhou WJ. Dynamics of glutamine synthetase expression in hepatic ischemia-reperfusion injury: Implications for therapeutic interventions. World J Hepatol 2024; 16:1177-1184. [PMID: 39323976 PMCID: PMC11423427 DOI: 10.4254/wjh.v16.i8.1177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 07/09/2024] [Accepted: 07/25/2024] [Indexed: 08/21/2024] [Imported: 08/21/2024] Open
Abstract
BACKGROUND Hepatic ischemia-reperfusion injury (IRI) poses a great challenge in liver surgery and transplantation because of oxidative stress and inflammatory responses. The changes in glutamine synthetase (GS) expression during hepatic IRI remain unclear. AIM To investigate the dynamic expression of GS during hepatic IRI. METHODS Following hepatic ischemia for 1 h and reperfusion, liver tissue samples were collected at 0.5, 6, and 24 hours postreperfusion for fixation, embedding, sectioning. Hematoxylin and eosin staining and GS staining were performed. RESULTS GS expression rapidly decreases in hepatocytes around the central vein after IRI, reaching its lowest point at 6 hours postreperfusion, and then gradually recovers. CONCLUSION GS is highly sensitive to IRI, highlighting its potential role as an indicator of liver injury states and a target for therapeutic intervention.
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Moeed A, Larik MO, Fahim MAA, Rahman HAU, Najmi L, Changez MIK, Javed MM, Hasibuzzaman MA. Impact of non-alcoholic fatty liver disease on coronavirus disease 2019: A systematic review. World J Hepatol 2024; 16:1185-1198. [PMID: 39221098 PMCID: PMC11362910 DOI: 10.4254/wjh.v16.i8.1185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/17/2024] [Accepted: 07/26/2024] [Indexed: 08/21/2024] [Imported: 08/21/2024] Open
Abstract
BACKGROUND Many studies have revealed a link between non-alcoholic fatty liver disease (NAFLD) and coronavirus disease 2019 (COVID-19), making understanding the relationship between these two conditions an absolute requirement. AIM To provide a qualitative synthesis on the currently present data evaluating COVID-19 and NAFLD. METHODS This systematic review was conducted in accordance with the guidelines provided by preferred reporting items for systematic reviews and meta-analyses and the questionnaire utilized the population, intervention, comparison, and outcome framework. The search strategy was run on three separate databases, PubMed/MEDLINE, Scopus, and Cochrane Central, which were systematically searched from inception until March 2024 to select all relevant studies. In addition, ClinicalTrials.gov, Medrxiv.org, and Google Scholar were searched to identify grey literature. RESULTS After retrieval of 11 studies, a total of 39282 patients data were pooled. Mortality was found in 11.5% and 9.4% of people in NAFLD and non-NAFLD groups. In all, 23.2% of NAFLD patients and 22% of non-NAFLD admissions diagnosed with COVID-19 were admitted to the intensive care unit, with days of stay varying. Ventilatory support ranged from 5% to 40.5% in the NAFLD cohort and from 3.1% to 20% in the non-NAFLD cohort. The incidence of acute liver injury showed significance. Clinical improvement on days 7 and 14 between the two classifications was significant. Hospitalization stay ranged from 9.6 days to 18.8 days and 7.3 days to 16.4 days in the aforementioned cohorts respectively, with 73.3% and 76.3% of patients being discharged. Readmission rates varied. CONCLUSION Clinical outcomes except mortality consistently showed a worsening trend in patients with NAFLD and concomitant COVID-19. Further research in conducting prospective longitudinal studies is essential for a more powerful conclusion.
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