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  • Title: Scanning electron microscopic studies on morphological abnormalities of erythrocytes in alcoholic liver diseases.
    Author: Takashimizu S, Shiraishi K, Watanabe N, Numata M, Kawazoe K, Miyachi H, Tokunaga M, Akatuka A, Matsuzaki S.
    Journal: Alcohol Clin Exp Res; 2000 Apr; 24(4 Suppl):81S-86S. PubMed ID: 10803786.
    Abstract:
    BACKGROUND: We previously reported that morphological abnormalities and the altered deformability of erythrocytes play important roles in disturbances of hepatic microcirculation associated with alcoholic liver disease. METHODS: The subjects of this study were five patients with alcoholic liver cirrhosis, two patients with alcoholic fatty liver, and two healthy volunteers. Concentrating on erythrocyte morphology in the presence of alcoholic liver disease, we observed erythrocytes under a scanning electron microscope and examined their morphological changes in relation to the disease. RESULTS: Among the five patients with alcoholic liver cirrhosis, stomatocytes accounted for about 14% and acanthocytes for about 10% of all erythrocytes. In the fatty liver group (n = 2), acanthocytes were absent, and stomatocytes accounted for 23% in one subject and 56% in the other, of the total. When the two patients with liver cirrhosis were examined over time, one of them was found to have 12% stomatocytes, 21% acanthocytes, and a filtration time of 14.7 sec at admission. Following 1 month of abstinence, this patient had 1% stomatocytes, 6% acanthocytes, and a filtration time of 10.4 sec, which were accompanied by improvements in peripheral blood parameters and liver function. In another patient with liver cirrhosis, there were no acanthocytes, 8% stomatocytes, and a filtration time of 5 sec at admission; this patient had 1% stomatocytes and a filtration time of 7.7 sec after 1 month of abstinence. In one patient with fatty liver who was examined over time, the percentage of stomatocytes was 56%, and the filtration time was 7.7 sec at admission; these parameters were 1% and 5.1 sec, respectively, after 1 month of abstinence. CONCLUSIONS: The present study revealed that stomatocytes and acanthocytes are morphologically abnormal erythrocytes observed in the presence of alcoholic liver disease. These abnormal forms of erythrocytes tended to normalize as peripheral blood parameters and liver function were improved by abstinence, which suggests that erythrocyte morphology is related to the pathophysiology of alcoholic liver disease.
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