Xiao Zhu

Changsha Medical University, Ch’ang-sha-shih, Hunan, China

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Publications (2)0 Total impact

  • Xiao Zhu · Min-Fei Pei · Min Xu · Guang-Sen Zhang
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    ABSTRACT: This study was purposed to investigate the change of early hemostatic function in patients with myeloproliferative diseases (MPD) and to explore its significance in combination with clinical data. The platelet aggregative function was measured by using ristomycin, adenosine diphosphate, collagen and adrenine as inductors, the plasma von Willebrand factor-associated antigen (vWF: Ag) level was measured by enzyme-linked immunosorbent assay (ELISA), the plasma von Wellebrand factor-ristomycin cofactor (vWF: Rco) activity was measured in 6 patients with obviously low ristomycin induced platelet aggregation (RIPA). The results showed that the platelet aggregative function obviously decreased in 35 patients, there were distinct differences in maximal platelet aggregative rate between patients and normal controls induced by 4 inductors respectively (P < 0.001, P < 0.001, P = 0.002, P < 0.001). There was no obvious difference between patients with MPD and healthy controls in plasma vWF: Ag level (P > 0.50). Plasma vWF: Rco activity in all 6 patients with MPD chosen was in the normal range, except one patient with essential thrombocytosis (ET) whose plasma vWF: Rco activity was much lower than normal. No correlation was found between platelet count and plasma vWF: Ag level in the patients (r = -0.180). No correlation was found between platelet count and maximal platelet aggregative rate induced by 4 inductors respectively in patients. It is concluded that the occurrence of abnormal platelet aggregative function is high in patients with MPD. The RIPA and vWF: Rco activity decrease in one patient with ET. However, the shortage of vWF polymer existed in his plasma have needs for further research. No correlation was observed between hemostasis and clinical manifestations. However, because of the high occurrence of platelet dysfunction in MPD patients, the clinical application of anti-platelet drugs should be considered carefully.
    No preview · Article · Nov 2006 · Zhongguo shi yan xue ye xue za zhi / Zhongguo bing li sheng li xue hui = Journal of experimental hematology / Chinese Association of Pathophysiology
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    ABSTRACT: To understand the clinical features and histopathology of histocytic necrotizing lymphadenitis (HNL) so as to better recognize the disease. The clinical features, histopathology, and diagnosis of 10 patients admitted to our hospital were retrospectively analyzed. The clinical features of these 10 cases included: young females were the majority; lymphadenopathy and fever were the most common clinical manifestations; some cases were accompanied by connective tissue diseases. Histopathologic examination showed distinctive necrosis and around the necrotic foci, variable proliferations of histocytes but generally without infiltration of neutrophils. HNL has some typical histopathological alterations and relatively fine prognosis,but it tends to be misdiagnosed as lymphoma or lymphoid tuberculosis and may be accompanied by other diseases.
    Preview · Article · Mar 2006 · Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences