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A new index for non-invasive assessment of liver fibrosis

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World Journal of Gastroenterology 2010年第38期16卷 4809-4816页

作者： Naohiro Ichino Keisuke Osakabe Toru Nishikawa Hiroko Sugiyama Miho Kato Shiho Kitahara Senju hashimoto naoto Kawabe Masao Harata Yoshifumi Nitta Michihito Murao Takuji Nakano Yuko Arima Hiroaki Shimazaki Koji Suzuki Kentaro Yoshioka Faculty of Medical Technology School of Health SciencesFujita Health UniversityToyoakeAichi 470-1192Japan Department of Clinical Laboratory Fujita Health University Hospital Department of Liver Biliary Tract and Pancreas DiseasesFujita Health University

AIM:To construct and evaluate a new non-invasive fibrosis index for assessment of the stage of liver f ibrosis. METHODS:A new f ibrosis index (Fibro-Stiffness index) was developed in 165 of 285 patients with chronic hepatitis C, and was validated in the other 120 patients where liver biopsy was performed. Its usefulness was compared with liver stiffness (LS) measured by FibroScan, the aminotransferase-to-platelet ratio index, the Forns index and the FibroIndex. RESULTS: The Fibro-Stiffness index consists of LS,platelet count and prothrombin time. The values of the Fibro-Stiffness index differed signif icantly between neighboring f ibrosis stages except F0-F1. The area under the receiver operating characteristics curves of the Fibro-Stiffness index for prediction of F≥2 (0.90), F≥ 3 (0.90) and F= 4(0.92) in the estimation group and those for F≥ 3 (0.93) and F =4 (0.97) in the validation group were the highest among the 5 methods examined. The accuracy of the Fibro-Stiffness index had highest values for F≥2, F≥3 and F=4 in both the estimation and validation groups. The diagnostic performance for F= 4 was improved by a combination of the Fibro-Stiffness index with serum hyaluronic acid level. CONCLUSION: The Fibro-Stiffness index was constructed and validated. It showed superior diagnostic performance to other indices for F ≥ 2,3 and 4.

关键词： Non-invasive fi brosis index Fibro-Stiffness index Chronic hepatitis C Liver stiffness Liver fi brosis

Factors correlating with acoustic radiation force impulse elastography in chronic hepatitis C

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World Journal of Gastroenterology 2014年第5期20卷 1289-1297页

作者： Toru Nishikawa Senju hashimoto naoto Kawabe Masao Harata Yoshifumi Nitta Michihito Murao Takuji Nakano Yuko Mizuno Hiroaki Shimazaki Toshiki Kan Kazunori Nakaoka Yuka Takagawa Masashi Ohki Naohiro Ichino Keisuke Osakabe Kentaro Yoshioka Department of Liver Biliary Tract and Pancreas Diseases Fujita Health University Faculty of Medical Technology School of Health Sciences Fujita Health University

AIM: To investigate the factors other than fibrosis stage correlating with acoustic radiation force impulse (ARFI) elastograpy in chronic hepatitis C.

关键词： Acoustic radiation force impulse Body mass index Chronic hepatitis C Computer-assisted morphometric image analysis Fibrosis stage Hyaluronic acid Liver stiffness measurement Transient elastography Velocity of shear wave

Vitamin E reduces liver stiffness in nonalcoholic fatty liver disease

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World Journal of Hepatology 2015年第27期7卷 2749-2756页

作者： Aiko Fukui naoto Kawabe Senju hashimoto Michihito Murao Takuji Nakano Hiroaki Shimazaki Toshiki Kan Kazunori Nakaoka Masashi Ohki Yuka Takagawa Tomoki Takamura Hiroyuki Kamei Kentaro Yoshioka Department of Liver Biliary Tract and Pancreas Diseases Fujita Health University Department of Clinical Pharmacy Practice and Health Care Management Faculty of PharmacyMeijo University

AIM: To evaluate the efficacy of vitamin E treatment on liver stiffness in nonalcoholic fatty liver disease(NAFLD).METHODS: Thirty-eight NAFLD patients were administered vitamin E for > 1 year. The doses of vitamin E were 150, 300, or 600 mg; three times per day after each meal. Responses were assessed by liver enzyme levels [aspartate aminotransferase(AST), alanine aminotranferease(ALT), and γ-glutamyl transpeptidase(γ-GTP)], noninvasive scoring systems of hepatic fibrosis-4 [FIB-4 index and aspartate aminotransferaseto-platelet index(APRI)], and liver stiffness [velocity of shear wave(Vs)] measured by acoustic radiation force impulse elastography. Vs measurements were performed at baseline and 12 mo after baseline. The patients were genotyped for the patatin-like phospholipase domain containing 3(PNPLA3) polymorphisms and then divided into either the CC/CG or GG group to examine each group's responses to vitamin E treatment. RESULTS: We found marked differences in the platelet count, serum albumin levels, alkaline phosphatase levels, FIB-4 index, APRI, and Vs at baseline depending on the PNPLA3 polymorphism. AST, ALT, and γ-GTP levels(all P < 0.001); FIB-4 index(P = 0.035); APRI(P < 0.001); and Vs(P < 0.001) significantly decreased from baseline to 12 mo in the analysis of all patients. In the subset analyses of PNPLA3 genotypes, AST levels(P = 0.011), ALT levels(P < 0.001), γ-GTP levels(P = 0.005), APRI(P = 0.036), and Vs(P = 0.029) in genotype GG patients significantly improved, and AST and ALT levels(both P < 0.001), γ-GTP levels(P = 0.003), FIB-4 index(P = 0.017), and APRI(P < 0.001) in genotype CC/CG patients. CONCLUSION: One year of vitamin E treatment improved noninvasive fibrosis scores and liver stiffness in NAFLD patients. The responses were similar between different PNPLA3 genotypes.

关键词： Vitamin E Acoustic radiation force impulse Nonalco

Changes of shear-wave velocity by interferon-based therapy in chronic hepatitis C

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World Journal of Gastroenterology 2015年第35期21卷 10215-10223页

作者： Keisuke Osakabe Naohiro Ichino Toru Nishikawa Hiroko Sugiyama Miho Kato Ai Shibata Wakana Asada naoto Kawabe Senju hashimoto Michihito Murao Takuji Nakano Hiroaki Shimazaki Toshiki Kan Kazunori Nakaoka Yuka Takagawa Masashi Ohki Takamitsu Kurashita Tomoki Takamura Kentaro Yoshioka Faculty of Medical Technology School of Health SciencesFujita Health University Center of Ultrasound Diagnosis Fujita Health University Hospital Department of Liver Biliary Tract and Pancreas DiseasesFujita Health University

AIM: To evaluate the changes of shear-wave velocity(Vs) by acoustic radiation force impulse after treatment in chronic hepatitis ***: Eighty-seven patients with chronic hepatitis C were consecutively treated with combinations of interferon(IFN) plus ribavirin(RBV). Vs value(m/s) was measured with acoustic radiation force impulse before treatment, at end of treatment(EOT), 1 year after EOT, and 2 years after ***: In patients with a sustained virological response(SVR)(n = 41), Vs significantly decreased at EOT [1.19(1.07-1.37), P = 0.0004], 1 year after EOT [1.10(1.00-1.22), P = 0.0001], and 2 years after EOT [1.05(0.95-1.16), P < 0.0001] compared with baseline [1.27(1.11-1.49)]. In patients with a relapse(n = 26), Vs did not significantly decrease at EOT [1.23(1.12-1.55)], 1 year after EOT [1.20(1.12-1.80)], and 2 years after EOT [1.41(1.08-2.01)] compared with baseline [1.39(1.15-1.57)]. In patients with a nonvirological response(n = 20), Vs did not significantly decrease at EOT [1.64(1.43-2.06)], 1 year after EOT [1.66(1.30-1.95)], and 2 years after EOT [1.61(1.36-2.37)] compared with baseline [1.80(1.54-2.01)]. Among genotype 1 patients, baseline Vs was significantly lower in SVR patients [1.28(1.04-1.40)] than in non-SVR patients [1.56(1.20-1.83)](P = 0.0142).CONCLUSION: Reduction of Vs values was shown in SVR patients after IFN-plus-RBV therapy by acoustic radiation force impulse.

关键词： Hepatitis C virus Fibrosis Interferon and ribaviri

Decline in subarachnoid haemorrhage volumes associated with the first wave of the COVID- 19 pandemic

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Stroke & Vascular Neurology 2021年第4期6卷 542-552,I0026-I0032页

作者： Thanh N Nguyen Diogo C Haussen Muhammad M Qureshi Hiroshi Yamagami Toshiyuki Fujinaka Ossama Y Mansour Mohamad Abdalkader Michael Frankel Zhongming Qiu Allan Taylor Pedro Lylyk Omer F Eker Laura Mechtouff Michel Piotin Fabricio Oliveira Lima Francisco Mont'Alverne Wazim Izzath Nobuyuki Sakai Mahmoud Mohammaden Alhamza R Al-Bayati Leonardo Renieri Salvatore Mangiafico David Ozretic Vanessa Chalumeau Saima Ahmad Umair Rashid Syed Irteza Hussain Seby John Emma Griffin John Thornton Jose Antonio Fiorot Rodrigo Rivera Nadia Hammami Anna M Cervantes-Arslanian Hormuzdiyar H Dasenbrock Huynh Le Vu Viet Quy Nguyen Steven Hetts Romain Bourcier Romain Guile Melanie Walker Malveeka Sharma Don Frei Pascal Jabbour Nabeel Herial Fawaz Al-Mufti Atilla Ozcan Ozdemir Ozlem Aykac Dheeraj Gandhi Chandril Chugh Charles Matouk Pascale Lavoie Randall Edgell Andre Beer-Furlan Michael Chen Monika Killer-Oberpfalzer Vitor Mendes Pereira Patrick Nicholson Vikram Huded Nobuyuki Ohara Daisuke Watanabe Dong Hun Shin Pedro SC Magalhaes Raghid Kikano Santiago Ortega-Gutierrez Mudassir Farooqui Amal Abou-Hamden Tatsuo Amano Ryoo Yamamoto Adrienne Weeks Elena A Cora Rotem Sivan-Hoffmann Roberto Crosa Markus Möhlenbruch Simon Nagel Hosam Al-Jehani Sunil A Sheth Victor S Lopez Rivera James E Siegler Achmad Fidaus Sani Ajit S Puri Anna Luisa Kuhn Gianmarco Bernava Paolo Machi Daniel G Abud Octavio M Pontes-Neto Ajay K Wakhloo Barbara Voetsch Eytan Raz Shadi Yaghi Brijesh P Mehta naoto Kimura Mamoru Murakami Jin Soo Lee Ji Man Hong Robert Fahed Gregory Walker Eiji Hagashi Steve M Cordina Hong Gee Roh Ken Wong Juan F Arenillas Mario Martinez-Galdamez Jordi Blasco Alejandro Rodriguez Vasquez Luisa Fonseca M Luis Silva Teddy Y Wu Simon John Alex Brehm Marios Psychogios William J Mack Matthew Tenser Tatemi Todaka Miki Fujimura Roberta Novakovic Jun Deguchi Yuri Sugiura Hiroshi Tokimura Rakesh Khatri Michael Kelly Lissa Peeling Yuichi Murayama Hugh Stephen Winters Johnny Wong Mohamed Teleb Jeremy Payne Hiroki Fukuda Kosuke Miyake Junsuke Shimbo Yusuke Sug Neurology RadiologyBoston Medical CenterBostonMassachusettsUSA Neurology Marcus Stroke&Neuroscience CenterGrady Memorial HospitalEmory University School of MedicineAtlantaGAUSA Radiology Radiation OncologyBoston University School of MedicineBostonMassachusettsUSA Neurology National Hospital Organization Osaka National HospitalOsakaJapan Neurosurgery National Hospital Organization Osaka National HospitalOsakaJapan Neurology Alexandria UniversityAlexandriaEgypt Radiology Boston Medical CenterBostonMassachusettsUSA Department of Neurology Xinqiao HospitalChongqingChina Neurosurgery University of Cape TownRondeboschWestern CapeSouth Africa Neurosurgery Interventional NeuroradiologyClinica La Sagrada FamiliaBuenos AiresArgentina Neuroradiologie Neurologie VasculaireHospices Civils de LyonLyonAuvergne-Rhône AlpesFrance Neurologie Vasculaire Hospices Civils de LyonLyonAuvergne-Rhône AlpesFrance Interventional Neuroradiology Fondation Ophtalmologique Adolphe de RothschildParisÎle-de FranceFrance Neurology Hospital Geral de FortalezaFortalezaBrazil Interventional Neuroradiology Hospital Geral de FortalezaFortalezaBrazil Neuroradiology Nottingham University Hospitals NHS TrustNottinghamUK Department of Neurosurgery Kobe City Medical Center General HospitalKobeHyogoJapan Interventional Neurovascular Unit University Hospital CareggiFirenzeToscanaItaly Neuroradiology University Hospital Centre ZagrebZagrebCroatia Interventional Neuroradiology Hopital BicetreLe Kremlin-BicetreFrance Stroke and Interventional Neuroradiology Lahore General HospitalLahorePakistan Neurological Institute Cleveland Clinic Abu DhabiAbu DhabiUAE Department of Radiology Beaumont HospitalDublinIreland Neurology Stroke UnitHospital-Estadual CentralVitoriaBrazil Neuroradiology Instituto de Neurocirugia Dr AsengoSantiagoChile Interventional Neuroradiology Institut National de NeurologieTunisTunisia Neurology Boston Medical CenterBostonMassachusettsUSA Neurosurgery Boston Medical Center

Background During the COVID-19 pandemic,decreased volumes of stroke admissions and mechanical thrombectomy were *** study’s objective was to examine whether subarachnoid haemorrhage(SAH)hospitalisations and ruptured aneurysm coiling interventions demonstrated similar *** We conducted a cross-sectional,retrospective,observational study across 6 continents,37 countries and 140 comprehensive stroke *** with the diagnosis of SAH,aneurysmal SAH,ruptured aneurysm coiling interventions and COVID-19 were identified by prospective aneurysm databases or by International Classification of Diseases,10th Revision,*** 3-month cumulative volume,monthly volumes for SAH hospitalisations and ruptured aneurysm coiling procedures were compared for the period before(1 year and immediately before)and during the pandemic,defined as 1 March-31 May *** prior 1-year control period(1 March-31 May 2019)was obtained to account for seasonal *** There was a significant decline in SAH hospitalisations,with 2044 admissions in the 3 months immediately before and 1585 admissions during the pandemic,representing a relative decline of 22.5%(95%CI−24.3%to−20.7%,p<0.0001).Embolisation of ruptured aneurysms declined with 1170-1035 procedures,respectively,representing an 11.5%(95%CI−13.5%to−9.8%,p=0.002)relative *** analysis was noted for aneurysmal SAH hospitalisation decline from 834 to 626 hospitalisations,a 24.9%relative decline(95%CI−28.0%to−22.1%,p<0.0001).A relative increase in ruptured aneurysm coiling was noted in low coiling volume hospitals of 41.1%(95%CI 32.3%to 50.6%,p=0.008)despite a decrease in SAH admissions in this *** There was a relative decrease in the volume of SAH hospitalisations,aneurysmal SAH hospitalisations and ruptured aneurysm embolisations during the COVID-19 *** findings in SAH are consistent with a decrease in other emergencies,such as stroke and myocardial infarction.

关键词： diagnosis representing subarachnoid