1
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Ahlers CG, Patel P, Parikh K, Fudim M. Use of invasive cardiopulmonary exercise testing to diagnose preload reserve failure in patients with liver disease. ESC Heart Fail 2024; 11:587-593. [PMID: 38012064 PMCID: PMC10804147 DOI: 10.1002/ehf2.14598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 10/02/2023] [Accepted: 11/07/2023] [Indexed: 11/29/2023] Open
Abstract
In this case series, we describe the use of invasive cardiopulmonary exercise testing (iCPET) to diagnose heart failure due to preload reserve failure in two patients with progressive dyspnoea. We demonstrate that underlying liver disease contributes to preload reserve failure as a cause of exertional dysfunction. In liver diseases such as non-alcoholic fatty liver disease (NAFLD), fibrotic changes to the sinusoidal liver architecture occur leading to an increased transhepatic sinusoidal pressure gradient. Even at the earliest stage of hepatic fibrosis in patients with NAFLD, changes in hepatic blood flow are seen due to outflow block in the sinusoidal area. In this way, changes to the sinusoidal liver architecture can lead to limitations in preload reserve. This case series describes two patients with exertional dyspnoea found to have preload failure on iCPET due to underlying liver disease.
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Affiliation(s)
| | - Priyesh Patel
- Atrium Health Sanger Heart and Vascular InstituteConcordNCUSA
| | - Kishan Parikh
- Department of MedicineDuke University HospitalDurhamNCUSA
- Duke Clinical Research InstituteDurhamNCUSA
| | - Marat Fudim
- Department of MedicineDuke University HospitalDurhamNCUSA
- Duke Clinical Research InstituteDurhamNCUSA
- Department of CardiologyUniversity of WrocławWrocławPoland
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2
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Driessen S, Francque SM, Anker SD, Castro Cabezas M, Grobbee DE, Tushuizen ME, Holleboom AG. Metabolic dysfunction-associated steatotic liver disease and the heart. Hepatology 2023:01515467-990000000-00699. [PMID: 38147315 DOI: 10.1097/hep.0000000000000735] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/13/2023] [Indexed: 12/27/2023]
Abstract
The prevalence and severity of metabolic dysfunction-associated steatotic liver disease (MASLD) are increasing. Physicians who treat patients with MASLD may acknowledge the strong coincidence with cardiometabolic disease, including atherosclerotic cardiovascular disease (asCVD). This raises questions on co-occurrence, causality, and the need for screening and multidisciplinary care for MASLD in patients with asCVD, and vice versa. Here, we review the interrelations of MASLD and heart disease and formulate answers to these matters. Epidemiological studies scoring proxies for atherosclerosis and actual cardiovascular events indicate increased atherosclerosis in patients with MASLD, yet no increased risk of asCVD mortality. MASLD and asCVD share common drivers: obesity, insulin resistance and type 2 diabetes mellitus (T2DM), smoking, hypertension, and sleep apnea syndrome. In addition, Mendelian randomization studies support that MASLD may cause atherosclerosis through mixed hyperlipidemia, while such evidence is lacking for liver-derived procoagulant factors. In the more advanced fibrotic stages, MASLD may contribute to heart failure with preserved ejection fraction by reduced filling of the right ventricle, which may induce fatigue upon exertion, often mentioned by patients with MASLD. Some evidence points to an association between MASLD and cardiac arrhythmias. Regarding treatment and given the strong co-occurrence of MASLD and asCVD, pharmacotherapy in development for advanced stages of MASLD would ideally also reduce cardiovascular events, as has been demonstrated for T2DM treatments. Given the common drivers, potential causal factors and especially given the increased rate of cardiovascular events, comprehensive cardiometabolic risk management is warranted in patients with MASLD, preferably in a multidisciplinary approach.
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Affiliation(s)
- Stan Driessen
- Department of Vascular Medicine, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Sven M Francque
- Department of Gastroenterology and Hepatology, University Hospital Antwerp, Antwerp, Belgium
| | - Stefan D Anker
- Department of Cardiology (CVK) of German Heart Center Charité, Institute of Health Center for Regenerative Therapies (BCRT), German Centre for Cardiovascular Research (DZHK) partner site Berlin, Charité Universitätsmedizin, Berlin, Germany
- Institute of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - Manuel Castro Cabezas
- Julius Clinical, Zeist, The Netherlands
- Department of Internal Medicine, Franciscus Gasthuis and Vlietland, Rotterdam, The Netherlands
- Department of Internal Medicine and Endocrinology, Erasmus MC, Rotterdam, The Netherlands
| | - Diederick E Grobbee
- Julius Clinical, Zeist, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Maarten E Tushuizen
- Department of Gastroenterology and Hepatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Adriaan G Holleboom
- Department of Vascular Medicine, Amsterdam University Medical Center, Amsterdam, The Netherlands
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3
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Saha S, Keshvani N, Segar MW, Patel KV, Fudim M, Rohatgi A, Ayers C, VanWagner LB, Rao VN, Drazner MH, Garg S, Singal AG, Rich NE, Browning JD, Neeland IJ, Pandey A. Association of Hepatic Triglyceride Content With Cardiac Structure and Function Among Community-Dwelling Adults. JACC. HEART FAILURE 2023:S2213-1779(23)00750-3. [PMID: 38206228 DOI: 10.1016/j.jchf.2023.10.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 10/19/2023] [Indexed: 01/12/2024]
Affiliation(s)
- Srishti Saha
- UT Southwestern Medical Center, Dallas, Texas, USA
| | | | | | - Kershaw V Patel
- Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas, USA
| | - Marat Fudim
- Duke University School of Medicine, Durham, North Carolina, USA; Duke Clinical Research Institute, Durham, North Carolina, USA
| | | | - Colby Ayers
- UT Southwestern Medical Center, Dallas, Texas, USA
| | | | - Vishal N Rao
- Duke University School of Medicine, Durham, North Carolina, USA
| | | | - Sonia Garg
- UT Southwestern Medical Center, Dallas, Texas, USA
| | | | | | | | - Ian J Neeland
- Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Ambarish Pandey
- Duke University School of Medicine, Durham, North Carolina, USA.
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4
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Shi Y, Shen W, Xu G, Wang X, Ning B. Hepatic venous pressure gradient and rebleeding risk of patients with nonalcoholic steatohepatitis cirrhosis after variceal bleeding. Front Med (Lausanne) 2023; 10:1224506. [PMID: 37564045 PMCID: PMC10411529 DOI: 10.3389/fmed.2023.1224506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/10/2023] [Indexed: 08/12/2023] Open
Abstract
Background and aims Hepatic venous pressure gradient (HVPG) has a strong predictive value for variceal rebleeding in cirrhotic patients, but the accuracy of HVPG may be compromised in nonalcoholic steatohepatitis (NASH) cirrhosis. This study aimed to evaluate the accuracy of HVPG and portal pressure gradient (PPG) for predicting rebleeding in NASH cirrhosis after acute variceal bleeding. Patients and methods Thirty-eight NASH cirrhosis patients and 82 hepatitis B virus (HBV) cirrhosis patients with acute variceal bleeding were included in this study. All patients recived transjugular intrahepatic portalsystemic shunt (TIPS). The prognostic value of HVPG and PPG for variceal rebleeding was evaluated. Results Compared with HBV cirrhosis, NASH cirrhosis demonstrated a lower HVPG (15.3 ± 3.8 vs. 18.0 ± 4.8; p = 0.003) and lower PPG (18.0 ± 3.7 vs. 20.0 ± 3.4; p = 0.005). HVPG (AUC = 0.82; p = 0.002) and PPG (AUC = 0.72; p = 0.027) had promising prognostic value among NASH cirrhosis patients. The optimal threshold of HVPG and PPG for predicting rebleeding in NASH cirrhosis was 17 mmHg and 20 mmHg. At multivariate analysis, HVPG ≥17 mmHg was a significant predictor of variceal rebleeding (HR 9.40; 95% CI 1.85-47.70; p = 0.007). Conclusion In the patients with cirrhosis and vairceal bleeding, the levels of HVPG and PPG were found to be low in NASH cirrhosis than HBV cirrhosis. However, the prevalence of rebleeding was similar between two groups. HVPG measurement is still an accurate way to assess the risk of variceal rebleeding in NASH cirrhosis.
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Affiliation(s)
- Yiqi Shi
- Digestive System Department, Yuzhong Hospital of the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wenyong Shen
- Digestive System Department, Chongqing Fuling Central Hospital of Chongqing University, Chongqing, China
| | - Gang Xu
- Digestive System Department, Chongqing Fuling Central Hospital of Chongqing University, Chongqing, China
| | - Xunzheng Wang
- Digestive System Department, Jiangnan Hospital of the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bo Ning
- Digestive System Department, Yuzhong Hospital of the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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5
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Lesmana CRA. Endoscopic ultrasound-guided portal pressure gradient measurement in managing portal hypertension. World J Gastrointest Surg 2023; 15:1033-1039. [PMID: 37405096 PMCID: PMC10315130 DOI: 10.4240/wjgs.v15.i6.1033] [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: 10/28/2022] [Revised: 11/30/2022] [Accepted: 04/24/2023] [Indexed: 06/15/2023] Open
Abstract
Portal hypertension (PH) is still a challenging clinical condition due to its silent manifestations in the early stage and needs to be measured accurately for early detection. Hepatic vein pressure gradient measurement has been considered as the gold standard measurement for PH; however, it needs special skill, experience, and high expertise. Recently, there has been an innovative development in using endoscopic ultrasound (EUS) for the diagnosis and management of liver diseases, including portal pressure measurement, which is commonly known as EUS-guided portal pressure gradient (EUS-PPG) measurement. EUS-PPG measurement can be performed concomitantly with EUS evaluation for deep esophageal varices, EUS-guided liver biopsy, and EUS-guided cyanoacrylate injection. However, there are still major issues, such as different etiologies of liver disease, procedural training, expertise, availability, and cost-effectiveness in several situations with regard to the standard management.
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Affiliation(s)
- Cosmas Rinaldi Adithya Lesmana
- Internal Medicine, Hepatobiliary Division, Dr. Cipto Mangunkusumo National General Hospital, Universitas Indonesia, Jakarta 10430, DKI, Indonesia
- Digestive Disease & GI Oncology Center, Medistra Hospital, Jakarta 12950, DKI, Indonesia
- Gastrointestinal Cancer Center, MRCCC Siloam Semanggi Hospital, Jakarta 12930, DKI, Indonesia
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6
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Yang Z, Tian R, Zhang XJ, Cai J, She ZG, Li H. Effects of treatment of non-alcoholic fatty liver disease on heart failure with preserved ejection fraction. Front Cardiovasc Med 2023; 9:1120085. [PMID: 36712249 PMCID: PMC9877359 DOI: 10.3389/fcvm.2022.1120085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 12/30/2022] [Indexed: 01/14/2023] Open
Abstract
In the past few decades, non-alcoholic fatty liver disease (NAFLD) and heart failure with preserved ejection fraction (HFpEF) have become the most common chronic liver disease and the main form of heart failure (HF), respectively. NAFLD is closely associated with HFpEF by sharing common risk factors and/or by boosting systemic inflammation, releasing other secretory factors, and having an expansion of epicardial adipose tissue (EAT). Therefore, the treatments of NAFLD may also affect the development and prognosis of HFpEF. However, no specific drugs for NAFLD have been approved by the Food and Drug Administration (FDA) and some non-specific treatments for NAFLD are applied in the clinic. Currently, the treatments of NAFLD can be divided into non-pharmacological and pharmacological treatments. Non-pharmacological treatments mainly include dietary intervention, weight loss by exercise, caloric restriction, and bariatric surgery. Pharmacological treatments mainly include administering statins, thiazolidinediones, glucagon-like peptide-1 receptor agonists, sodium-glucose cotransporter 2 inhibitors, and metformin. This review will mainly focus on analyzing how these treatments may affect the development and prognosis of HFpEF.
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Affiliation(s)
- Zifeng Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China
| | - Ruifeng Tian
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China
| | - Xiao-Jing Zhang
- Institute of Model Animal, Wuhan University, Wuhan, China,School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Jingjing Cai
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhi-Gang She
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China,*Correspondence: Zhi-Gang She,
| | - Hongliang Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China,School of Basic Medical Sciences, Wuhan University, Wuhan, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China,Hongliang Li,
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7
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Chan W, Tan S, Chan S, Lee Y, Tee H, Mahadeva S, Goh K, Ramli AS, Mustapha F, Kosai NR, Raja Ali RA. Malaysian Society of Gastroenterology and Hepatology consensus statement on metabolic dysfunction-associated fatty liver disease. J Gastroenterol Hepatol 2022; 37:795-811. [PMID: 35080048 PMCID: PMC9303255 DOI: 10.1111/jgh.15787] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/19/2021] [Accepted: 01/10/2022] [Indexed: 12/19/2022]
Abstract
The Malaysian Society of Gastroenterology and Hepatology saw the need for a consensus statement on metabolic dysfunction-associated fatty liver disease (MAFLD). The consensus panel consisted of experts in the field of gastroenterology/hepatology, endocrinology, bariatric surgery, family medicine, and public health. A modified Delphi process was used to prepare the consensus statements. The panel recognized the high and increasing prevalence of the disease and the consequent anticipated increase in liver-related complications and mortality. Cardiovascular disease is the leading cause of mortality in MAFLD patients; therefore, cardiovascular disease risk assessment and management is important. A simple and clear liver assessment and referral pathway was agreed upon, so that patients with more severe MAFLD can be linked to gastroenterology/hepatology care, while patients with less severe MAFLD can remain in primary care or endocrinology, where they are best managed. Lifestyle intervention is the cornerstone in the management of MAFLD. The panel provided a consensus on the use of statin, angiotensin-converting enzyme inhibitor or angiotensin receptor blocker, sodium-glucose cotransporter-2 inhibitor, glucagon-like peptide-1 agonist, pioglitazone, vitamin E, and metformin, as well as recommendations on bariatric surgery, screening for gastroesophageal varices and hepatocellular carcinoma, and liver transplantation in MAFLD patients. Increasing the awareness and knowledge of the various stakeholders on MAFLD and incorporating MAFLD into existing noncommunicable disease-related programs and activities are important steps to tackle the disease. These consensus statements will serve as a guide on MAFLD for clinicians and other stakeholders.
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Affiliation(s)
- Wah‐Kheong Chan
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of MedicineUniversity of MalayaKuala LumpurMalaysia
| | - Soek‐Siam Tan
- Department of HepatologySelayang HospitalBatu CavesSelangorMalaysia
| | | | - Yeong‐Yeh Lee
- School of Medical SciencesUniversiti Sains MalaysiaKota BharuKelantanMalaysia
| | - Hoi‐Poh Tee
- KPJ Pahang Specialist CentreKuantanPahangMalaysia
| | - Sanjiv Mahadeva
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of MedicineUniversity of MalayaKuala LumpurMalaysia
| | - Khean‐Lee Goh
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of MedicineUniversity of MalayaKuala LumpurMalaysia
| | - Anis Safura Ramli
- Department of Primary Care Medicine, Faculty of MedicineUniversiti Teknologi MARA, Selayang CampusBatu CavesSelangorMalaysia,Institute of Pathology, Laboratory and Forensic Medicine, Centre of Excellence for Research on Atherosclerosis and CVD PreventionUniversiti Teknologi MARA, Sungai Buloh CampusSungai BulohSelangorMalaysia
| | - Feisul Mustapha
- Disease Control DivisionMinistry of Health, MalaysiaPutrajayaMalaysia
| | - Nik Ritza Kosai
- Upper Gastrointestinal, Metabolic and Bariatric Surgery Unit, Department of SurgeryUniversiti Kebangsaan MalaysiaKuala LumpurMalaysia
| | - Raja Affendi Raja Ali
- Gastroenterology Unit, Department of MedicineUniversiti Kebangsaan MalaysiaKuala LumpurMalaysia
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8
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Scorletti E, Carr RM. A new perspective on NAFLD: Focusing on lipid droplets. J Hepatol 2022; 76:934-945. [PMID: 34793866 DOI: 10.1016/j.jhep.2021.11.009] [Citation(s) in RCA: 116] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 10/13/2021] [Accepted: 11/06/2021] [Indexed: 02/07/2023]
Abstract
Lipid droplets (LDs) are complex and metabolically active organelles. They are composed of a neutral lipid core surrounded by a monolayer of phospholipids and proteins. LD accumulation in hepatocytes is the distinctive characteristic of non-alcoholic fatty liver disease (NAFLD), which is a chronic, heterogeneous liver condition that can progress to liver fibrosis and hepatocellular carcinoma. Though recent research has improved our understanding of the mechanisms linking LD accumulation to NAFLD progression, numerous aspects of LD biology are either poorly understood or unknown. In this review, we provide a description of several key mechanisms that contribute to LD accumulation in hepatocytes, favouring NAFLD progression. First, we highlight the importance of LD architecture and describe how the dysregulation of LD biogenesis leads to endoplasmic reticulum stress and inflammation. This is followed by an analysis of the causal nexus that exists between LD proteome composition and LD degradation. Finally, we describe how the increase in size of LDs causes activation of hepatic stellate cells, leading to liver fibrosis and hepatocellular carcinoma. We conclude that acquiring a more sophisticated understanding of LD biology will provide crucial insights into the heterogeneity of NAFLD and assist in the development of therapeutic approaches for this liver disease.
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Affiliation(s)
- Eleonora Scorletti
- Division of Translational Medicine and Human Genetics, The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Rotonya M Carr
- Division of Gastroenterology, University of Washington, Seattle, WA 98195-6424, United States.
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9
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NALBANT A, ŞAKUL BU, YÜCEL F. Investigation of Changes in Liver Microanatomy in the Steatosis Model Created by Permanent Canula in Rats. CLINICAL AND EXPERIMENTAL HEALTH SCIENCES 2021. [DOI: 10.33808/clinexphealthsci.948391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Objective: The knowledge of nonalcoholic fatty liver disease (NAFLD) and Nonalcoholic Steatohepatitis (NASH) is limited to the findings from available suitable models for this disease. A number of rodent models have been described in which relevant liver pathology develops in an appropriate metabolic context. In this experimental study, it was aimed to create a new liver fat model by giving fat from the portal vein of rats and to visualize the changes in the liver with advanced microscopic techniques.
Methods: 28 female rats were used in the study. Permanent intraabdominal cannulas were inserted into the portal vein of the rats. Rats were randomly divided four group. Intralipid 20% substance was injected through cannula to the experimental groups during the test period. Control group received saline at the same rate. At the end of the experiment, the animals were visualized with a laser speckle microscope and livers were divided into sections according to the stereological method. The sections were painted with Hematoxylin-Eosin, Oil red o, Masson trichoma, Bodipy, Nile red. Sections were evaluated under a microscope.
Results: Ballooning, inflammation and fibrosis were observed in the 2 week intralipid group. In the 1 week intralipid group, the rate of parenchyma decreased while the sinusoid rate increased, and sinusoid rate increased significantly in the 2 week intralipid (p˂0.05).
Conclusion: According to the findings, steatohepatitis was detected in the 2 week intralipid, whereas only steatosis was observed in the 1 week intralipid. Thus, it was concluded that the newly formed rat model causes steatosis.
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10
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Salah HM, Pandey A, Soloveva A, Abdelmalek MF, Diehl AM, Moylan CA, Wegermann K, Rao VN, Hernandez AF, Tedford RJ, Parikh KS, Mentz RJ, McGarrah RW, Fudim M. Relationship of Nonalcoholic Fatty Liver Disease and Heart Failure With Preserved Ejection Fraction. JACC Basic Transl Sci 2021; 6:918-932. [PMID: 34869957 PMCID: PMC8617573 DOI: 10.1016/j.jacbts.2021.07.010] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/27/2021] [Accepted: 07/27/2021] [Indexed: 12/17/2022]
Abstract
Although there is an established bidirectional relationship between heart failure with reduced ejection fraction and liver disease, the association between heart failure with preserved ejection fraction (HFpEF) and liver diseases, such as nonalcoholic fatty liver disease (NAFLD), has not been well explored. In this paper, the authors provide an in-depth review of the relationship between HFpEF and NAFLD and propose 3 NAFLD-related HFpEF phenotypes (obstructive HFpEF, metabolic HFpEF, and advanced liver fibrosis HFpEF). The authors also discuss diagnostic challenges related to the concurrent presence of NAFLD and HFpEF and offer several treatment options for NAFLD-related HFpEF phenotypes. The authors propose that NAFLD-related HFpEF should be recognized as a distinct HFpEF phenotype.
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Key Words
- ALT, alanine aminotransferase
- AST, aspartate aminotransferase
- AV, arteriovenous
- BCAA, branched-chain amino acid
- GLP, glucagon-like peptide
- HF, heart failure
- HFpEF
- HFpEF, heart failure with preserved ejection fraction
- HFrEF, heart failure with reduced ejection fraction
- IL, interleukin
- LV, left ventricular
- LVEF, left ventricular ejection fraction
- NAFLD
- NAFLD, nonalcoholic fatty liver disease
- NASH, nonalcoholic steatohepatitis
- NT-proBNP, N terminal pro–B-type natriuretic peptide
- RAAS, renin-angiotensin aldosterone system
- SGLT2, sodium-glucose cotransporter 2
- SPSS, spontaneous portosystemic shunt(s)
- TNF, tumor necrosis factor
- cardiomyopathy
- heart failure
- liver
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Affiliation(s)
- Husam M. Salah
- Department of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Ambarish Pandey
- Division of Cardiology, Department of Medicine, University of Texas Southwestern, and Parkland Health and Hospital System, Dallas, Texas, USA
| | - Anzhela Soloveva
- Department of Cardiology, Almazov National Medical Research Centre, Saint Petersburg, Russian Federation
| | - Manal F. Abdelmalek
- Division of Gastroenterology and Hepatology, Duke University, Durham, North Carolina, USA
| | - Anna Mae Diehl
- Division of Gastroenterology and Hepatology, Duke University, Durham, North Carolina, USA
| | - Cynthia A. Moylan
- Division of Gastroenterology and Hepatology, Duke University, Durham, North Carolina, USA
| | - Kara Wegermann
- Division of Gastroenterology and Hepatology, Duke University, Durham, North Carolina, USA
| | - Vishal N. Rao
- Division of Cardiology, Department of Medicine, Duke University, Durham, North Carolina, USA
- Duke Clinical Research Institute, Durham, North Carolina, USA
| | - Adrian F. Hernandez
- Division of Cardiology, Department of Medicine, Duke University, Durham, North Carolina, USA
- Duke Clinical Research Institute, Durham, North Carolina, USA
| | - Ryan J. Tedford
- Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Kishan S. Parikh
- Division of Cardiology, Department of Medicine, Duke University, Durham, North Carolina, USA
| | - Robert J. Mentz
- Division of Cardiology, Department of Medicine, Duke University, Durham, North Carolina, USA
- Duke Clinical Research Institute, Durham, North Carolina, USA
| | - Robert W. McGarrah
- Division of Cardiology, Department of Medicine, Duke University, Durham, North Carolina, USA
| | - Marat Fudim
- Division of Cardiology, Department of Medicine, Duke University, Durham, North Carolina, USA
- Duke Clinical Research Institute, Durham, North Carolina, USA
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11
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Lesmana CRA, Paramitha MS, Hasan I, Sulaiman AS, Gani RA. Portal Hypertension in Non-alcoholic Fatty Liver Disease in the Era of Non-invasive Assessment. EUROPEAN MEDICAL JOURNAL 2021. [DOI: 10.33590/emj/21-00039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the emerging global health problems due to an increase of burden worldwide. It has been known that NAFLD is strongly associated with metabolic syndrome. The progression of NAFLD is a complex and multifactorial mechanism. Portal hypertension is still the main key in liver disease progression management. In NAFLD, portal hypertension might occur in the non-cirrhotic condition. Hepatic vein pressure gradient measurement has been considered as the gold standard for portal pressure assessment; however, due to its invasiveness and the need for a high-expertise centre, it is considered a non-practical measurement tool in clinical practice. Many other non-invasive parameters have been developed to replace the invasive measurement; however, there are still some limitations with regard to the technical issue, patient’s condition, and its accuracy in the different stages of the disease. Therefore, the authors review portal hypertension related to the clinical course of NAFLD, and the development of portal pressure evaluation in patients with NAFLD.
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Affiliation(s)
- Cosmas Rinaldi Adithya Lesmana
- Department of Internal Medicine, Hepatobiliary Division, Dr. Cipto Mangunkusumo National General Hospital, Universitas Indonesia, Jakarta, Indonesia; Digestive Disease & GI Oncology Center, Medistra Hospital, Jakarta, Indonesia
| | - Maria Satya Paramitha
- Department of Internal Medicine, Hepatobiliary Division, Dr. Cipto Mangunkusumo National General Hospital, Universitas Indonesia, Jakarta, Indonesia
| | - Irsan Hasan
- Department of Internal Medicine, Hepatobiliary Division, Dr. Cipto Mangunkusumo National General Hospital, Universitas Indonesia, Jakarta, Indonesia
| | - Andri Sanityoso Sulaiman
- Department of Internal Medicine, Hepatobiliary Division, Dr. Cipto Mangunkusumo National General Hospital, Universitas Indonesia, Jakarta, Indonesia
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12
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Meng L, Goto M, Tanaka H, Kamikokura Y, Fujii Y, Okada Y, Furukawa H, Nishikawa Y. Decreased Portal Circulation Augments Fibrosis and Ductular Reaction in Nonalcoholic Fatty Liver Disease in Mice. THE AMERICAN JOURNAL OF PATHOLOGY 2021; 191:1580-1591. [PMID: 34119474 DOI: 10.1016/j.ajpath.2021.06.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 05/02/2021] [Accepted: 06/03/2021] [Indexed: 12/12/2022]
Abstract
Nonalcoholic fatty liver disease often progresses to cirrhosis and causes liver cancer, but mechanisms of its progression are yet to be elucidated. Although nonalcoholic fatty liver disease is often associated with abnormal portal circulation, there have not been any experimental studies to test its pathogenic role. Here, whether decreased portal circulation affected the pathology of nonalcoholic steatohepatitis (NASH) was examined using congenital portosystemic shunt (PSS) in C57BL/6J mice. Whereas PSS significantly attenuated free radical-mediated carbon tetrachloride injury, it augmented pericellular fibrosis in the centrilobular area induced by a 0.1% methionine choline-deficient l-amino acid-defined high-fat diet (CDAHFD). PSS aggravated ductular reaction and increased the expression of connective tissue growth factor. Pimonidazole immunohistochemistry of the liver revealed that the centrilobular area of PSS-harboring mice was more hypoxic than that of control mice. Although tissue hypoxia was observed in the fibrotic area in CDAHFD-induced NASH in both control and PSS-harboring mice, it was more profound in the latter, which was associated with higher carbonic anhydrase 9 and vascular endothelial growth factor expression and neovascularization in the fibrotic area. Furthermore, partial ligation of the portal vein also augmented pericellular fibrosis and ductular reaction induced by a CDAHFD. These results demonstrate that decreased portal circulation, which induces hypoxia due to disrupted intralobular perfusion, is an important aggravating factor of liver fibrosis in NASH.
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Affiliation(s)
- Lingtong Meng
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan; Division of Gastroenterological and General Surgery, Department of Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Masanori Goto
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroki Tanaka
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yuki Kamikokura
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yumiko Fujii
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yoko Okada
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroyuki Furukawa
- Division of Gastroenterological and General Surgery, Department of Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Yuji Nishikawa
- Division of Tumor Pathology, Department of Pathology, Asahikawa Medical University, Asahikawa, Japan.
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13
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Fudim M, Sobotka PA, Dunlap ME. Extracardiac Abnormalities of Preload Reserve: Mechanisms Underlying Exercise Limitation in Heart Failure with Preserved Ejection Fraction, Autonomic Dysfunction, and Liver Disease. Circ Heart Fail 2021; 14:e007308. [PMID: 33464948 DOI: 10.1161/circheartfailure.120.007308] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
While many of the cardiac limitations to exercise performance are now well-characterized, extracardiac limitations to exercise performance have been less well recognized but are nevertheless important. We propose that abnormalities of cardiac preload reserve represents an under-recognized but common cause of exercise limitations. We further propose that mechanistic links exist between conditions as seemingly disparate as heart failure with preserved ejection fraction, nonalcoholic fatty liver disease, and pelvic venous compression/obstruction syndromes (eg, May-Thurner). We conclude that extracardiac abnormalities of preload reserve serve as a major pathophysiologic mechanism underlying these and other disease states.
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Affiliation(s)
- Marat Fudim
- Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC (M.F.). Duke Clinical Research Institute, Durham, NC (M.F.)
| | - Paul A Sobotka
- Affiliated Faculty, Department of Medicine, Division of Cardiology, The Ohio State University, Columbus (P.A.S.)
| | - Mark E Dunlap
- Heart and Vascular Center, MetroHealth Campus of Case Western Reserve University, Cleveland, OH (M.E.D.)
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14
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Translational insight into prothrombotic state and hypercoagulation in nonalcoholic fatty liver disease. Thromb Res 2020; 198:139-150. [PMID: 33340925 DOI: 10.1016/j.thromres.2020.12.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/17/2020] [Accepted: 12/07/2020] [Indexed: 02/08/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is an emerging and threatening pathological condition, ranging from fatty liver (FL) to chronic steatohepatitis (NASH), liver cirrhosis, and eventually to hepatocellular carcinoma (HCC). Recent findings suggest that patients with NAFLD have a higher risk of cardiovascular events and thromboembolism and that this risk is independent of metabolic diseases that are frequently associated with NAFLD, such as diabetes, hyperlipidaemia, and obesity. The vascular involvement of NAFLD might be considered its systemic burden, conditioning higher mortality in patients affected by the disease. These clinical findings suggested the existence of a prothrombotic state in NAFLD, which is partially unexplored and whose underlying mechanisms are to date not completely understood. Here, we review the mechanisms involved in the pathogenesis of the prothrombotic state in NAFLD across the progression from the healthy liver through the different stages of the disease. We focused on the possible role of several metabolic features of NAFLD possibly leading to hypercoagulation other than endothelial and platelet activation, such as insulin-resistance, nitric oxide production regulation, and gut microbiota homeostasis. Also, we analysed the involvement of plasminogen activator inhibitor-1 (PAI-1) and thromboinflammation taking place in NAFLD. Finally, we described factors striking a prothrombotic imbalance in NASH cirrhosis, with a particular focus on the pathogenesis of portal vein thrombosis.
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15
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Barberá A, Raurell I, García-Lezana T, Torres-Arauz M, Bravo M, Hide D, Gil M, Salcedo MT, Genescà J, Martell M, Augustin S. Steatosis as main determinant of portal hypertension through a restriction of hepatic sinusoidal area in a dietary rat nash model. Liver Int 2020; 40:2732-2743. [PMID: 32770818 DOI: 10.1111/liv.14632] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/10/2020] [Accepted: 08/02/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Portal hypertension (PH) can be present in pre-cirrhotic stages, even in absence of fibrosis in non-alcoholic steatohepatitis (NASH) patients. Liver endothelial dysfunction (ED) has been shown as responsible for this effect in short-term dietary animal models. We evaluated the persistence of PH and underlying mechanisms in a long-term rat model of NASH. METHODS Sprague-Dawley rats were fed 8 or 36 weeks with control diet or high-fat high-glucose/fructose diet. Metabolic parameters, histology, ED and haemodynamics were characterized. Structural characteristics of liver sections were analysed using image analysis. RESULTS Both interventions reproduced NASH histological hallmarks (with steatosis being particularly increased at 36 weeks), but neither induced fibrosis. The 36-week intervention induced a significant increase in portal pressure (PP) compared to controls (12.1 vs 8.7 mmHg, P < .001) and the 8-week model (10.7 mmHg, P = .006), but all features of ED were normalized at 36 weeks. Image analysis revealed that the increased steatosis at 36-week was associated to an increase in hepatocyte area and a significant decrease in the sinusoidal area, which was inversely correlated with PP. The analysis provided a critical sinusoidal area above which animals were protected from developing PH and below which sinusoidal flux was compromised and PP started to increase. CONCLUSION Liver steatosis per se (in absence of fibrosis) can induce PH through a decrease in the sinusoidal area secondary to the increase in hepatocyte area in a long-term diet-induced rat model of NASH. Image analysis of the sinusoidal area might predict the presence of PH.
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Affiliation(s)
- Aurora Barberá
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain
| | - Imma Raurell
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain
| | | | - Manuel Torres-Arauz
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain
| | - Miren Bravo
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain
| | - Diana Hide
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain
| | - Mar Gil
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain
| | - María Teresa Salcedo
- Pathology Department, Hospital Universitari Vall d´Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Joan Genescà
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain.,Centro De Investigación Biomédica En Red De Enfermedades Hepáticas y Digestivas, Instituto De Salud Carlos III, Madrid, Spain
| | - María Martell
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain.,Centro De Investigación Biomédica En Red De Enfermedades Hepáticas y Digestivas, Instituto De Salud Carlos III, Madrid, Spain
| | - Salvador Augustin
- Liver Unit, Vall d'Hebron Hospital Universitari, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain, Barcelona, Spain.,Centro De Investigación Biomédica En Red De Enfermedades Hepáticas y Digestivas, Instituto De Salud Carlos III, Madrid, Spain
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16
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Nonalcoholic Fatty Liver Disease (NAFLD) and Hepatic Cytochrome P450 (CYP) Enzymes. Pharmaceuticals (Basel) 2020; 13:ph13090222. [PMID: 32872474 PMCID: PMC7560175 DOI: 10.3390/ph13090222] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is characterized by excessive fat in the liver. An international consensus panel has recently proposed to rename the disease to metabolic dysfunction associated with fatty liver disease (MAFLD). The disease can range from simple steatosis (fat accumulation) to nonalcoholic steatohepatitis (NASH) which represents a severe form of NAFLD and is accompanied by inflammation, fibrosis, and hepatocyte damage in addition to significant steatosis. This review collates current knowledge of changes in human hepatic cytochrome P450 enzymes in NAFLD. While the expression of these enzymes is well studied in healthy volunteers, our understanding of the alterations of these proteins in NAFLD is limited. Much of the existing knowledge on the subject is derived from preclinical studies, and clinical translation of these findings is poor. Wherever available, the effect of NAFLD on these proteins in humans is debatable and currently lacks a consensus among different reports. Protein expression is an important in vitro physiological parameter controlling the pharmacokinetics of drugs and the last decade has seen a rise in the accurate estimation of these proteins for use with physiologically based pharmacokinetic (PBPK) modeling to predict drug pharmacokinetics in special populations. The application of label-free, mass spectrometry-based quantitative proteomics as a promising tool to study NAFLD-associated changes has also been discussed.
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17
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Ryou M, Stylopoulos N, Baffy G. Nonalcoholic fatty liver disease and portal hypertension. EXPLORATION OF MEDICINE 2020; 1:149-169. [PMID: 32685936 DOI: 10.37349/emed.2020.00011] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a substantial and growing problem worldwide and has become the second most common indication for liver transplantation as it may progress to cirrhosis and develop complications from portal hypertension primarily caused by advanced fibrosis and erratic tissue remodeling. However, elevated portal venous pressure has also been detected in experimental models of fatty liver and in human NAFLD when fibrosis is far less advanced and cirrhosis is absent. Early increases in intrahepatic vascular resistance may contribute to the progression of liver disease. Specific pathophenotypes linked to the development of portal hypertension in NAFLD include hepatocellular lipid accumulation and ballooning injury, capillarization of liver sinusoidal endothelial cells, enhanced contractility of hepatic stellate cells, activation of Kupffer cells and pro-inflammatory pathways, adhesion and entrapment of recruited leukocytes, microthrombosis, angiogenesis and perisinusoidal fibrosis. These pathological events are amplified in NAFLD by concomitant visceral obesity, insulin resistance, type 2 diabetes and dysbiosis, promoting aberrant interactions with adipose tissue, skeletal muscle and gut microbiota. Measurement of the hepatic venous pressure gradient by retrograde insertion of a balloon-tipped central vein catheter is the current reference method for predicting outcomes of cirrhosis associated with clinically significant portal hypertension and guiding interventions. This invasive technique is rarely considered in the absence of cirrhosis where currently available clinical, imaging and laboratory correlates of portal hypertension may not reflect early changes in liver hemodynamics. Availability of less invasive but sufficiently sensitive methods for the assessment of portal venous pressure in NAFLD remains therefore an unmet need. Recent efforts to develop new biomarkers and endoscopy-based approaches such as endoscopic ultrasound-guided measurement of portal pressure gradient may help achieve this goal. In addition, cellular and molecular targets are being identified to guide emerging therapies in the prevention and management of portal hypertension.
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Affiliation(s)
- Marvin Ryou
- Department of Medicine, Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Nicholas Stylopoulos
- Division of Endocrinology, Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA.,The Broad Institute of MIT and Harvard, Cambridge MA
| | - Gyorgy Baffy
- Department of Medicine, Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.,Department of Medicine, VA Boston Healthcare System, Harvard Medical School, Boston, MA
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18
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Miyake T, Yoshida S, Furukawa S, Sakai T, Tada F, Senba H, Yamamoto S, Koizumi Y, Yoshida O, Hirooka M, Kumagi T, Niiya T, Miyaoka H, Masanori A, Matsuura B, Hiasa Y. Ipragliflozin Ameliorates Liver Damage in Non-alcoholic Fatty Liver Disease. Open Med (Wars) 2018; 13:402-409. [PMID: 30234161 PMCID: PMC6141887 DOI: 10.1515/med-2018-0059] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 08/09/2018] [Indexed: 12/19/2022] Open
Abstract
Background There are few effective medications for non-alcoholic steatohepatitis (NASH). We investigated the efficacy of ipragliflozin (selective sodium-glucose cotransporter-2 inhibitor [SGLT2I]) for the treatment of patients with type 2 diabetes mellitus (T2DM) complicated by non-alcoholic fatty liver disease (NAFLD). Methods We prospectively enrolled patients with T2DM complicated by NAFLD treated at our institutions from January 2015 to December 2016. Patients received oral ipragliflozin (50 mg/day) once daily for 24 weeks. Body composition was evaluated using an InBody720 analyzer. We used transient elastography to measure liver stiffness and the controlled attenuation parameter for the quantification of liver steatosis in patients with NASH. Results Forty-three patients with T2DM and NAFLD were enrolled (12 with biopsy-proven NASH and 31 with NAFLD diagnosed by ultrasonography). After 24 weeks, body weight, hemoglobin A1c (HbA1c), aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyl transpeptidase, body fat mass, and steatosis were significantly decreased compared to baseline measurements in patients with NASH. However, muscle mass was not reduced, and liver stiffness showed a statistically insignificant tendency to decrease. NAFLD patients also showed a significant reduction in body weight, HbA1c, AST, and ALT compared to baseline measurements. Conclusion Ipragliflozin may be effective in patients with T2DM complicated by NAFLD.
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Affiliation(s)
- Teruki Miyake
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Sakiko Yoshida
- Department of Internal Medicine, Matsuyama Shimin Hospital, Matsuyama, Ehime, Japan
| | - Shinya Furukawa
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Toon, Japan
| | - Takenori Sakai
- Department of Internal Medicine, Yawatahama General City Hospital, Yawatahama, Japan
| | - Fujimasa Tada
- Department of Internal Medicine, Saiseikai Matsuyama Hospital, Matsuyama, Japan
| | - Hidenori Senba
- Department of Internal Medicine, Saiseikai Matsuyama Hospital, Matsuyama, Japan
| | - Shin Yamamoto
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Yohei Koizumi
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Osamu Yoshida
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Masashi Hirooka
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Teru Kumagi
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Tetsuju Niiya
- Department of Internal Medicine, Matsuyama Shimin Hospital, Matsuyama, Ehime, Japan
| | - Hiroaki Miyaoka
- Department of Internal Medicine, Saiseikai Matsuyama Hospital, Matsuyama, Japan
| | - Abe Masanori
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Bunzo Matsuura
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Yoichi Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
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19
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Origins of Portal Hypertension in Nonalcoholic Fatty Liver Disease. Dig Dis Sci 2018; 63:563-576. [PMID: 29368124 DOI: 10.1007/s10620-017-4903-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 12/26/2017] [Indexed: 02/06/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) advanced to cirrhosis is often complicated by clinically significant portal hypertension, which is primarily caused by increased intrahepatic vascular resistance. Liver fibrosis has been identified as a critical determinant of this process. However, there is evidence that portal venous pressure may begin to rise in the earliest stages of NAFLD when fibrosis is far less advanced or absent. The biological and clinical significance of these early changes in sinusoidal homeostasis remains unclear. Experimental and human observations indicate that sinusoidal space restriction due to hepatocellular lipid accumulation and ballooning may impair sinusoidal flow and generate shear stress, increasingly disrupting sinusoidal microcirculation. Sinusoidal endothelial cells, hepatic stellate cells, and Kupffer cells are key partners of hepatocytes affected by NAFLD in promoting endothelial dysfunction through enhanced contractility, capillarization, adhesion and entrapment of blood cells, extracellular matrix deposition, and neovascularization. These biomechanical and rheological changes are aggravated by a dysfunctional gut-liver axis and splanchnic vasoregulation, culminating in fibrosis and clinically significant portal hypertension. We may speculate that increased portal venous pressure is an essential element of the pathogenesis across the entire spectrum of NAFLD. Improved methods of noninvasive portal venous pressure monitoring will hopefully give new insights into the pathobiology of NAFLD and help efforts to identify patients at increased risk for adverse outcomes. In addition, novel drug candidates targeting reversible components of aberrant sinusoidal circulation may prevent progression in NAFLD.
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20
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Koizumi Y, Hirooka M, Abe M, Tokumoto Y, Yoshida O, Watanabe T, Nakamura Y, Imai Y, Yukimoto A, Kumagi T, Takeshita E, Ikeda Y, Hiasa Y. Comparison between real-time tissue elastography and vibration-controlled transient elastography for the assessment of liver fibrosis and disease progression in patients with primary biliary cholangitis. Hepatol Res 2017; 47:1252-1259. [PMID: 28044427 DOI: 10.1111/hepr.12861] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 12/13/2016] [Accepted: 12/29/2016] [Indexed: 12/16/2022]
Abstract
AIM Assessing disease progression in patients with primary biliary cholangitis (PBC) is necessary in order to evaluate therapeutic effectiveness. Therefore, the aims of this study were to evaluate both the diagnostic accuracy of both real-time tissue elastography (RTE) and vibration-controlled transient elastography (VCTE), and the usefulness of hepatic and splenic elasticity as predictive markers for the progression of symptomatic PBC. METHODS The study participants were 44 patients with PBC. We assessed hepatic and splenic elasticity using RTE and VCTE and measured serum markers related to fibrosis and hepatic and splenic blood flow using Doppler ultrasonography. We then compared RTE and VCTE for diagnostic accuracy. Patients with asymptomatic PBC were followed every 1-3 months. RESULTS Both RTE and VCTE performed well and had superior diagnostic accuracy compared with biochemical markers. The areas under the receiver operating characteristic curve for RTE and VCTE were 0.92 and 0.92, 0.95 and 0.91, and 0.97 and 0.91 for F ≥ 2, F ≥ 3, and F = 4, respectively. During follow-up, nine patients (25.0%) developed liver-related symptoms. Multivariate analysis revealed that splenic elasticity assessed using RTE was a significant independent factor for the development of liver-related symptoms (odds ratio, 2.19; P = 0.024). CONCLUSIONS Real-time tissue elastography offered better diagnostic accuracy for severe fibrosis and cholangitis than VCTE. Splenic elasticity determined using RTE is a useful parameter for evaluating liver-related symptoms and an effective predictive marker of disease progression in patients with asymptomatic PBC.
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Affiliation(s)
- Yohei Koizumi
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Masashi Hirooka
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Masanori Abe
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Yoshio Tokumoto
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Osamu Yoshida
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Takao Watanabe
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Yoshiko Nakamura
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Yusuke Imai
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Atsushi Yukimoto
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Teru Kumagi
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Eiji Takeshita
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Yoshiou Ikeda
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Yoichi Hiasa
- Departments of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon City, Japan
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21
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Hirooka M, Koizumi Y, Miyake T, Watanabe T, Yoshida O, Tokumoto Y, Yukimoto A, Nakamura Y, Imai Y, Abe M, Hiasa Y. Nonalcoholic fatty liver with a hepatic arterial buffer response strongly associated with future metabolic disease. Hepatol Commun 2017; 1:623-633. [PMID: 29404482 PMCID: PMC5721441 DOI: 10.1002/hep4.1070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 04/23/2017] [Accepted: 06/26/2017] [Indexed: 12/22/2022] Open
Abstract
A change in hepatic blood flow caused by the hepatic arterial buffer response (HABR) occurs as fatty liver disease progress. The aim of this longitudinal cohort study was to investigate whether fatty liver with the HABR induces metabolic disorders. In 2009 and 2010, 494 (89.5%) participants were enrolled. The median follow‐up duration was 5.0 (interquartile range, 3.9‐6.0) years. The hazard ratios of fatty liver with the HABR for incident metabolic disorders were assessed by Cox proportional hazard models. A non–fatty liver group (non‐FL group, hepatorenal echo intensity ratio <1.12), a fatty liver without portal hypertension (FL group, hepatorenal echo intensity ratio ≥1.12 and ratio of the maximal blood velocity in the right hepatic artery to maximal blood velocity in the right portal vein <3.1) group, and a fatty liver with portal hypertension (FL‐HABR group, hepatorenal echo intensity ratio ≥1.12 and ratio of the maximal blood velocity in the right hepatic artery to maximal blood velocity in the right portal vein ≥3.1) group were defined based on echo intensity and Doppler ultrasonography. Fatty liver with and without the HABR was significantly associated with the incidence of diabetes on multivariate analysis (non‐FL versus FL group, hazard ratio, 3.36; 95% confidence interval, 1.05‐12.85; FL versus FL with the HABR group, HR, 2.68; 95% confidence interval, 1.28‐6.04). With respect to the incidence of hypertension and dyslipidemia, only FL with the HABR was a significant factor (hypertension, non‐FL versus FL, P = 0.874, FL versus FL‐HABR, P = 0.016, non‐FL versus FL‐HABR, P = 0.023; dyslipidemia, non‐FL versus FL, P = 0.311, FL versus FL‐HABR, P = 0.194, non‐FL versus FL‐HABR, P = 0.038). Conclusion: Fatty liver with the HABR is a high‐risk condition for metabolic diseases. (Hepatology Communications 2017;1:623–633)
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Affiliation(s)
- Masashi Hirooka
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Yohei Koizumi
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Teruki Miyake
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Takao Watanabe
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Osamu Yoshida
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Yoshio Tokumoto
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Atsushi Yukimoto
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Yoshiko Nakamura
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Yusuke Imai
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Masanori Abe
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
| | - Yoichi Hiasa
- Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
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22
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Abstract
BACKGROUND Hepatic venous pressure gradient (HVPG) measurement correlates with staging of liver fibrosis. Patients with nonalcoholic steatohepatitis (NASH) have a different pattern of fibrosis compared with hepatitis C virus (HCV) with possible alterations in pressures. AIM The aim of this study was to compare portal pressures with the stage of fibrosis in NASH in comparison with other liver diseases. PATIENTS AND METHODS Records of all patients who had undergone transjugular liver biopsy with pressure measurements between January 2001 and June 2013 were reviewed. Wedge hepatic venous pressure (WHVP) and HVPG were compared with stages of fibrosis in liver diseases of different etiologies. RESULTS Among 142 patients included in this study, the liver disease etiology was as follows: HCV (26.6%) and NASH (24.6%), with the remaining (38.7%) grouped under other categories. The mean age of the patients was 51.2±11.5 years, with more men with HCV (73.1%) compared with NASH (51.4%) in terms of etiology (P=0.046). There were strong correlations between the stage of fibrosis with both the HVPG (r=0.64; P<0.0001) and the WHVP (r=0.63; P<0.0001) in NASH patients. Compared with HCV patients, NASH patients had a lower HVPG (3.4±2.4 vs. 7.5±11 mmHg/stage; P=0.01) with a coefficient estimate of -0.24 (P=0.017) and WHVP (9.6±5.5 vs. 14.6±15.2 mmHg/stage; P=0.03) for the stage of fibrosis. CONCLUSION HVPG and WHVP measurements were strongly correlated with stages of fibrosis in NASH. Patients with NASH had lower HVPG and WHVP for each stage of fibrosis compared with HCV patients. This raises the concern of underestimation of pressures by HVPG in NASH etiology for the stage of disease or increased fibrosis despite lower pressures in them.
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Shigefuku R, Takahashi H, Nakano H, Watanabe T, Matsunaga K, Matsumoto N, Kato M, Morita R, Michikawa Y, Tamura T, Hiraishi T, Hattori N, Noguchi Y, Nakahara K, Ikeda H, Ishii T, Okuse C, Sase S, Itoh F, Suzuki M. Correlations of Hepatic Hemodynamics, Liver Function, and Fibrosis Markers in Nonalcoholic Fatty Liver Disease: Comparison with Chronic Hepatitis Related to Hepatitis C Virus. Int J Mol Sci 2016; 17:E1545. [PMID: 27649152 PMCID: PMC5037819 DOI: 10.3390/ijms17091545] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 09/01/2016] [Accepted: 09/08/2016] [Indexed: 02/07/2023] Open
Abstract
The progression of chronic liver disease differs by etiology. The aim of this study was to elucidate the difference in disease progression between chronic hepatitis C (CHC) and nonalcoholic fatty liver disease (NAFLD) by means of fibrosis markers, liver function, and hepatic tissue blood flow (TBF). Xenon computed tomography (Xe-CT) was performed in 139 patients with NAFLD and 152 patients with CHC (including liver cirrhosis (LC)). The cutoff values for fibrosis markers were compared between NAFLD and CHC, and correlations between hepatic TBF and liver function tests were examined at each fibrosis stage. The cutoff values for detection of the advanced fibrosis stage were lower in NAFLD than in CHC. Although portal venous TBF (PVTBF) correlated with liver function tests, PVTBF in initial LC caused by nonalcoholic steatohepatitis (NASH-LC) was significantly lower than that in hepatitis C virus (C-LC) (p = 0.014). Conversely, the liver function tests in NASH-LC were higher than those in C-LC (p < 0.05). It is important to recognize the difference between NAFLD and CHC. We concluded that changes in hepatic blood flow occurred during the earliest stage of hepatic fibrosis in patients with NAFLD; therefore, patients with NAFLD need to be followed carefully.
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Affiliation(s)
- Ryuta Shigefuku
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Hideaki Takahashi
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology, St. Marianna University School of Medicine, Yokohama City Seibu Hospital, Kanagawa, Yokohama 241-0811, Japan.
| | - Hiroyasu Nakano
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Tsunamasa Watanabe
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Kotaro Matsunaga
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Nobuyuki Matsumoto
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Masaki Kato
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Ryo Morita
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Yousuke Michikawa
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Tomohiro Tamura
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology, St. Marianna University School of Medicine, Yokohama City Seibu Hospital, Kanagawa, Yokohama 241-0811, Japan.
| | - Tetsuya Hiraishi
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kawasaki Municipal Tama Hospital, Kanagawa, Kawasaki 214-8525, Japan.
| | - Nobuhiro Hattori
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Yohei Noguchi
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology, St. Marianna University School of Medicine, Yokohama City Seibu Hospital, Kanagawa, Yokohama 241-0811, Japan.
| | - Kazunari Nakahara
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Hiroki Ikeda
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Toshiya Ishii
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kawasaki Municipal Tama Hospital, Kanagawa, Kawasaki 214-8525, Japan.
| | - Chiaki Okuse
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kawasaki Municipal Tama Hospital, Kanagawa, Kawasaki 214-8525, Japan.
| | - Shigeru Sase
- Anzai Medical Company, Ltd., Tokyo 141-0033, Japan.
| | - Fumio Itoh
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
| | - Michihiro Suzuki
- Division of Gastroenterology and Hepatology, St. Marianna University School of Medicine, Kanagawa, Kawasaki 216-8511, Japan.
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kawasaki Municipal Tama Hospital, Kanagawa, Kawasaki 214-8525, Japan.
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24
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Hepatic artery resistive index (HARI) and non-alcoholic fatty liver disease (NAFLD) fibrosis score in NAFLD patients: cut-off suggestive of non-alcoholic steatohepatitis (NASH) evolution. J Ultrasound 2016; 19:183-9. [PMID: 27635163 DOI: 10.1007/s40477-016-0203-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 03/10/2016] [Indexed: 12/17/2022] Open
Abstract
PURPOSE OF THE STUDY Conventional ultrasound (US) is reliable to reveal the presence of non-alcoholic fatty liver disease (NAFLD), but it is neither sensitive nor specific to reveal fibrosis clues, except in advanced stages where signs of cirrhosis are evident. NALFD fibrosis score is a non-invasive parameter that predicts well the presence of significant fibrosis, but correlations with US parameters are lacking. The aim of this study was, therefore, to compare resistive index of hepatic artery (HARI) of NAFLD patients with different severity degrees of diffuse fatty liver disease vs HARI of controls, and to compare HARI of NAFLD patients with different NAFLD fibrosis scores vs HARI of controls. METHODS This was a spontaneous, no-profit observational study conducted in our US department between December 2013 and July 2014. Patients with NAFLD with different severity of disease and healthy controls were included. Echogenicity and size of liver and spleen, maximum portal vein velocity, RI, peak systolic velocity (PSV), and end diastolic velocity (EDV) of splenic artery, PSV, EDV, and RI of hepatic artery, and NAFLD fibrosis score were acquired and compared between groups. RESULTS HARI was significantly lower in NAFLD patients than controls (p < 0.0001). A significant difference was also found between the groups of NAFLD severity (p < 0.0001). There was also a difference between HARI of NAFLD patients with different NAFLD fibrosis scores vs HARI of controls (p < 0.0001) with a positive correlation between HARI and NAFLD fibrosis score. CONCLUSION AND DISCUSSION Conventional Doppler US can be helpful to detect NAFLD patients with the risk of fibrous tissue accumulation. HARI tends to exceed the range of controls for patients with NAFLD fibrosis score greater than 0.675. The detection of HARI greater than 0.9 in NAFLD patients, regardless of the US degree of severity of steatosis, might suggest the execution of biopsy to predict the risk of progression to steatohepatitis and fibrous tissue accumulation. Low values of HARI may be expression of lower risk, which does not necessitate any biopsy.
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