Int. J. Mol. Sci. 2014, 15(1), 1026-1039; doi:10.3390/ijms15011026
Article

Evaluation of Hepatic Tissue Blood Flow Using Xenon Computed Tomography with Fibrosis Progression in Nonalcoholic Fatty Liver Disease: Comparison with Chronic Hepatitis C

1 Division of Gastroenterology and Hepatology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki 216-8511, Kanagawa, Japan 2 Shiodome Medical Examination Clinic, Tokyo 105-0013, Japan 3 Anzai Medical Co., Ltd., Tokyo 141-0033, Japan 4 Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kawasaki Municipal Tama Hospital, Kawasaki 214-8525, Kanagawa, Japan 5 Division of Gastroenterology, Department of Internal Medicine, Sapporo Shirakabadai Hospital, Sapporo 062-0052, Hokkaido, Japan
* Author to whom correspondence should be addressed.
Received: 6 November 2013; in revised form: 24 December 2013 / Accepted: 27 December 2013 / Published: 14 January 2014
(This article belongs to the Special Issue Non-Alcoholic Fatty Liver Disease Research)
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Abstract: Aims: The present study evaluated the utility of xenon computed tomography (Xe-CT) as a noninvasive diagnostic procedure for the measurement of hepatic tissue blood flow (TBF) in patients with nonalcoholic fatty liver disease (NAFLD) or chronic hepatitis C (CH-C). Methods: Xe-CT was performed in 93 patients with NAFLD and in 109 patients with CH-C. Subjects were classified into one of three groups, based on fibrosis stage: group 1, no bridging fibrosis; group 2, bridging fibrosis; and group 3, liver cirrhosis. Correlations between hepatic TBFs in each fibrosis stage were examined. Results: In group 1, portal venous TBF (PVTBF), hepatic arterial (HATBF), and total hepatic TBF (THTBF) were significantly lower in patients with in nonalcoholic steatohepatitis (NASH) than in those with CH-C (p < 0.001, p < 0.05, p < 0.001, respectively). In group 2, PVTBF and THTBF were significantly lower in patients with in NASH than in those with CH-C (p < 0.001, p < 0.05, respectively). In group 3, hepatic TBFs were not significantly different when comparing patients with NASH and those with CH-C. Conclusions: PVTBF decreased due to fat infiltration. Therefore, hemodynamic changes occur relatively earlier in NAFLD than in CH-C. Patients with NASH should be monitored carefully for portal hypertensive complications in the early fibrosis stage.
Keywords: nonalcoholic steatohepatitis; chronic hepatitis C; hepatic tissue blood flow; Xe computed tomography

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MDPI and ACS Style

Shigefuku, R.; Takahashi, H.; Kato, M.; Yoshida, Y.; Suetani, K.; Noguchi, Y.; Hatsugai, M.; Nakahara, K.; Ikeda, H.; Kobayashi, M.; Matsunaga, K.; Matsumoto, N.; Okuse, C.; Itoh, F.; Maeyama, S.; Sase, S.; Suzuki, M. Evaluation of Hepatic Tissue Blood Flow Using Xenon Computed Tomography with Fibrosis Progression in Nonalcoholic Fatty Liver Disease: Comparison with Chronic Hepatitis C. Int. J. Mol. Sci. 2014, 15, 1026-1039.

AMA Style

Shigefuku R, Takahashi H, Kato M, Yoshida Y, Suetani K, Noguchi Y, Hatsugai M, Nakahara K, Ikeda H, Kobayashi M, Matsunaga K, Matsumoto N, Okuse C, Itoh F, Maeyama S, Sase S, Suzuki M. Evaluation of Hepatic Tissue Blood Flow Using Xenon Computed Tomography with Fibrosis Progression in Nonalcoholic Fatty Liver Disease: Comparison with Chronic Hepatitis C. International Journal of Molecular Sciences. 2014; 15(1):1026-1039.

Chicago/Turabian Style

Shigefuku, Ryuta; Takahashi, Hideaki; Kato, Masaki; Yoshida, Yoshihito; Suetani, Keigo; Noguchi, Yohei; Hatsugai, Moriaki; Nakahara, Kazunari; Ikeda, Hiroki; Kobayashi, Minoru; Matsunaga, Kotaro; Matsumoto, Nobuyuki; Okuse, Chiaki; Itoh, Fumio; Maeyama, Shiro; Sase, Shigeru; Suzuki, Michihiro. 2014. "Evaluation of Hepatic Tissue Blood Flow Using Xenon Computed Tomography with Fibrosis Progression in Nonalcoholic Fatty Liver Disease: Comparison with Chronic Hepatitis C." Int. J. Mol. Sci. 15, no. 1: 1026-1039.

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