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Назив: Doppler ultrasound study of portal hemodynamics in patients with Gaucher disease
Аутори: Sarenac-Kovac R.
Perisic M.
Tomić D.
Dimitrijević, Slađana
Jurisic, Vladimir
Часопис: Archives of Biological Sciences
Датум издавања: 1-јан-2015
Сажетак: Gaucher disease is a lysosomal storage disorder caused by a deficiency of the enzyme glucocerebrosidase and characterized by the presence of pathological macrophages laden with glucosylceramide. Hepatosplenomegaly is a common manifestation of Gaucher disease, but symptomatic portal hypertension is rarely seen. The study included 20 untreated adult patients with Gaucher disease (non-neuronopathic type 1) diagnosed with the presence of Gaucher cells in the bone marrow, and 20 healthy subjects as controls. The examination of patients included color Doppler ultrasonography (pulsed Doppler mode), resistive index (RI) and Doppler perfusion index (DPI) using a Toshiba Xario ultrasound machine and a convex array probe PVT-375AX (1.9-6 MHz) with the objective of analyzing portal hemodynamics. Results showed that all patients had enlarged liver and spleen, and their average sizes were significantly larger than those in the healthy controls (liver: 17.04 vs.14.02 cm; spleen: 22.2 vs. 10.74 cm). DPI values were significantly different between patients and controls (0.15 vs. 0.21). Considering DPI <0.15 indicates arterial liver hypoperfusion and hypoxia, it can be concluded that a number of patients had a problem with liver oxygenation, which may be linked to the high angiotensin-converting enzyme (ACE) levels obtained in the patients (339.42 U/L), 10 times greater than in control subjects. Since ACE is a potent vasoconstrictor produced by spleen macrophages in Gaucher disease, we can suppose that elevated ACE is associated with effects on the blood vessels of the liver and spleen.
URI: https://scidar.kg.ac.rs/handle/123456789/12172
Тип: journal article
DOI: 10.2298/ABS140505001S
ISSN: 03544664
SCOPUS: 84937436469
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac
Faculty of Science, Kragujevac

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