Abstract:
:The thrombogenicity of prothrombin complex concentrates (PCCs) has been known as a risk factor since their first clinical use about 30 years ago. The development of in vivo models to define the thrombogenic components in PCCs was instrumental in providing a logical basis for selecting in vitro assays to screen for the distribution of such components during the manufacture of PCCs, and to minimize their appearance in the final product. Even so, these thrombogenic components are not completely removed, as shown in our canine nonstasis model of thrombogenicity: PCCs were still found to elicit a thrombogenic response, shown by increased fibrinopeptide A, fibrin(ogen) degradation products, activated partial thromboplastin time, and decreased fibrinogen and platelet counts when clinically relevant doses were used. The new generation of high-purity factor IX (HP-FIX) concentrates differs from PCCs because these products contain only negligible amounts of clotting factors other than factor IX, lower amounts of activated clotting factors, and, in products we have assayed, no coagulant-active phospholipids. When we infused a number of HP-FIX products in the canine nonstasis model, no thrombogenic response was observed at doses considerably greater than PCC doses that did elicit a response. Likewise, HP-FIX products were much less thrombogenic than PCCs when tested in small-animal stasis and nonstasis thrombogenicity models. Small-animal models are also useful for evaluating the role of factor IXa as a potential thrombogenic contaminant of concentrates and ensuring minimal amounts in the final product. The limitations associated with extrapolating in vivo model data will be shown to be minimal if ongoing clinical studies continue to demonstrate the low thrombogenic potential of HP-FIX concentrates in humans.
journal_name
Acta Haematoljournal_title
Acta haematologicaauthors
MacGregor I,McLaughlin L,Drummond O,Prowse C,Ferguson Jdoi
10.1159/000204039subject
Has Abstractpub_date
1995-01-01 00:00:00pages
18-23; discussion 24eissn
0001-5792issn
1421-9662journal_volume
94 Suppl 1pub_type
杂志文章,评审abstract::We report a patient with myelodysplastic syndrome (MDS), refractory anaemia with excess blasts in transformation, in whom complete remission (CR) was achieved with the administration of granulocyte colony-stimulating factor (G-CSF). The 76-year-old patient was admitted to our hospital with a fever and a productive cou...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000057637
更新日期:2002-01-01 00:00:00
abstract::Haemoglobin synthesis was studied in bone marrow erythroblasts and in reticulocytes of 4 children with beta O-thalassaemia major and of 7 children with beta +-thalassaemia major. In patients with beta O-thalassaemia the gamma/a ratio was found to be lower in bone marrow than in peripheral blood. On the contrary, in pa...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207174
更新日期:1981-01-01 00:00:00
abstract::Pyruvate kinase (PK) from four patients with moderate to severe congenital non-spherocytic haemolytic anaemia was characterized by methods recommended by the ICSH. The possibility that two of the patients are true homozygotes cannot be ruled out, while the other two apparently represent double heterozygotes. All but o...
journal_title:Acta haematologica
pub_type: 杂志文章,评审
doi:10.1159/000204184
更新日期:1994-01-01 00:00:00
abstract::The activity of gamma-glutamyl transpeptidase was investigated in normal and leukemia leukocytes. Enzyme activity was positively correlated with the proportion of mature neutrophils and monocytes. In isolated leukocytes from patients with acute myeloid leukemia low values were obtained compared to controls. ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207384
更新日期:1980-01-01 00:00:00
abstract::We describe in this paper a female patient affected by chronic granulomatous disease with all the features of the classic X-linked form of the disease and presenting a mild form of the disease, the major clinical manifestation being a granulomatous cheilitis. The capability of the patient's phagocytes to undergo a res...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000205028
更新日期:1990-01-01 00:00:00
abstract:BACKGROUND AND OBJECTIVES:Umbilical cord blood (UCB) contains haematopoietic stem cells and can be used as an alternative to bone marrow transplantation in certain cases. Engraftment was dependent upon the haematopoietic progenitor cell content of the cord blood units. This study was designed to investigate the influen...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000084677
更新日期:2005-01-01 00:00:00
abstract::To evaluate the effect of granulocyte/colony-stimulating factor (G-CSF) on the onset of the adult respiratory distress syndrome (ARDS), we investigated whether the incidence of ARDS due to pulmonary infection differed between the G-CSF group which received chemotherapy with G-CSF and historical controls without G-CSF....
journal_title:Acta haematologica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1159/000040937
更新日期:1999-01-01 00:00:00
abstract:OBJECTIVE:To review the diagnostic significance, safety and possible risk factors of splenectomy in fever of unknown origin (FUO) with splenomegaly. METHODS:The records of 54 patients with FUO and splenomegaly who underwent splenectomy in our hospital in the past 20 years were reviewed retrospectively. Pathologic find...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000118632
更新日期:2008-01-01 00:00:00
abstract::Platelet to leukocyte adhesion phenomena (PLAP) and the phagocytosis of platelets by neutrophils from the EDTA anticoagulated blood samples are described. PLAP was transferable to a normal blood specimen by patient's plasma or serum with or without complement. Further studies revealed in vitro evidence of hereditary p...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206966
更新日期:1982-01-01 00:00:00
abstract::Interferon-alpha has been used as standard therapy for patients with Philadelphia-positive chronic myeloid leukemia (CML) for more than 20 years. Recently randomized trials have shown a superiority of the tyrosine kinase inhibitor imatinib in respect to its efficacy to induce complete hematological and cytogenetic rem...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000089476
更新日期:2006-01-01 00:00:00
abstract::Residues 124 and 125 of the beta-chain of human haemoglobin are prolyl-prolyl. In the delta-chain, one of these positions is occupied by a glutaminyl, and there has been uncertainty as to which of the two residues is the prolyl and which the glutaminyl. The sequence has now been established to be delta124 Pro - 125 Gl...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207923
更新日期:1976-01-01 00:00:00
abstract::In a comparison of 47 patients with Philadelphia-chromosome (Ph)-positive chronic myeloid leukemia (CML) in the Nagasaki University School of Medicine and 64 patients with the same disease in the Roswell Park Memorial Institute, the correlation between the modal number of chromosomes and the therapeutic response and/o...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204713
更新日期:1992-01-01 00:00:00
abstract::Of 34 patients with chronic inflammatory bowel disease (CIBD), 4 developed well-documented episodes of deep-venous thrombosis. All 4 patients had active disease at the time of thrombosis. This group was studied to determine if the tendency to deep-venous thrombosis in patients with CIBD was associated with reduced ant...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206688
更新日期:1983-01-01 00:00:00
abstract::Cancer patients not undergoing treatment and without a history of venous thrombosis do not, as a general rule, require prophylaxis. However, venous thromboembolism is of sufficient magnitude in patients undergoing treatment for cancer for thromboprophylaxis to be routinely employed. The mainstay of primary prevention ...
journal_title:Acta haematologica
pub_type: 杂志文章,评审
doi:10.1159/000046592
更新日期:2001-01-01 00:00:00
abstract::In cutaneous T-cell lymphomas (CTCL; mycosis fungoides and Sézary syndrome), the standard therapies tend to be effective but not curative. Single drug therapy with either interferon-alpha or retinoids shows a response rate of about 45%. In this article, we report the results obtained in the treatment of CTCL with a co...
journal_title:Acta haematologica
pub_type: 杂志文章,评审
doi:10.1159/000204582
更新日期:1993-01-01 00:00:00
abstract::A 67-year-old woman with agnogenic myeloid metaplasia, who underwent splenectomy 1 year after the diagnosis, experienced spontaneous hematologic remission 6 years after splenectomy. Ten months before her anemia improved, peripheral leukocytes no longer showed a shift to the left and peripheral erythroblasts had disapp...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000205163
更新日期:1990-01-01 00:00:00
abstract::We have demonstrated that hemopoietic organ fibroblastoid cells can produce colony-stimulating activity (CSA) in vitro. Skin fibroblasts also produced CSA. The colonies which formed were restricted to the granulocyte/macrophage differentiation pathways. A linear relationship was obtained for granulocyte/macrophage col...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206924
更新日期:1983-01-01 00:00:00
abstract::Avascular necrosis (AVN) of the hip is a common cause of morbidity in sickle cell disease (SCD). Its prevalence increases with age and predisposing factors include coexistent alpha-thalassemia trait, frequent vaso-occlusive crisis and a high hematocrit (Hct). SCD is relatively mild among Kuwaiti patients because of th...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000046529
更新日期:2001-01-01 00:00:00
abstract::We report on a patient with chronic myeloid leukemia (CML) with a rapidly growing left cervical tumor 5 months after the initial diagnosis of CML. This tumor was diagnosed as a very early manifestation of extramedullary myeloblastoma by a minimally invasive method. A fine needle aspirate (26-gauge needle) was obtained...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000040873
更新日期:1998-01-01 00:00:00
abstract::Amylase-producing tumors are mainly adenocarcinomas and, in rare instances, multiple myelomas. We describe here a first case of amylase-producing Bence Jones type myeloma with pancreatitis-like symptoms and the second in a Caucasian patient. The finding of salivary-type hyperamylasemia in a 72-year-old female with a p...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204384
更新日期:1993-01-01 00:00:00
abstract::Gene therapy targeting hematopoietic cells has arrived at a new stage of potency. While the potential for curing inherited disorders of the immune system has been demonstrated in clinical trials, we were also confronted with the first serious adverse events related to random insertion of foreign DNA into cellular chro...
journal_title:Acta haematologica
pub_type: 杂志文章,评审
doi:10.1159/000072459
更新日期:2003-01-01 00:00:00
abstract:BACKGROUND/AIMS:Autophagy is crucial for the survival and function of plasma cells including protection from toxic misfolded immunoglobulin and proper energy metabolism. Multiple myeloma (MM) is an indolent but eventually fatal neoplasm of plasma cells. Autophagy may play a critical role in the survival of MM cells and...
journal_title:Acta haematologica
pub_type: 临床试验,杂志文章
doi:10.1159/000368848
更新日期:2015-01-01 00:00:00
abstract::Serum IgG, IgM and IgA were determined in 25 patients with homozygous beta thalassemia and 7 with the trait. The levels were increased in homozygous patients and increased further after splenectomy. Serum opsonic activity against Salmonella typhi and staphylococci was impaired in homozygous patients. Splenectomy cause...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206875
更新日期:1983-01-01 00:00:00
abstract::The most common single genetic disorder and a major public health issue in Greece and other Mediterranean countries is beta-thalassemia. Current therapeutic approaches for homozygous beta-thalassemia entail blood transfusions and iron chelation therapy with deferoxamine or deferiprone for preventing tissue hemosideros...
journal_title:Acta haematologica
pub_type: 临床试验,杂志文章
doi:10.1159/000077551
更新日期:2004-01-01 00:00:00
abstract::A patient with acute monoblastic leukemia developed a coagulopathy during chemotherapy. Coagulation studies showed thrombocytopenia, hypofibrinogenemia, high levels of fibrinogen degradation products, a negative protemine test but a normal antithrombin III level. These observations suggest that coagulation abnormaliti...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207433
更新日期:1980-01-01 00:00:00
abstract::The 8p11 myeloproliferative syndrome (EMS) is an aggressive neoplasm associated with chromosomal translocations involving the fibroblast growth factor receptor 1 (FGFR1) tyrosine kinase gene on chromosome 8p11-12. A new case of a 9-year-old boy with leukocytosis, eosinophilia, and general lymphadenopathy is reported i...
journal_title:Acta haematologica
pub_type: 杂志文章,评审
doi:10.1159/000481392
更新日期:2018-01-01 00:00:00
abstract:BACKGROUND:Danaparoid sodium and synthetic protease inhibitors (SPIs) have been approved for the treatment of disseminated intravascular coagulation (DIC) in Japan. OBJECTIVES:To compare the clinical results of the treatment of DIC with danaparoid or SPIs. METHODS:We retrospectively examined 188 patients with hematol...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000501818
更新日期:2020-01-01 00:00:00
abstract::We describe an unusual case of invasive pulmonary aspergillosis (IPA) complicated by subclavian artery occlusion in a 32-year-old man with severe aplastic anemia, who underwent allogeneic stem cell transplantation. He was severely neutropenic after the conditioning for transplantation, but he had no history of fungal ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000203614
更新日期:1997-01-01 00:00:00
abstract::A hairy-cell leukaemia (HCL) cell line, HCL-O, was established from the peripheral blood of a 62-year-old Japanese patient with a unique variant of HCL strongly expressing CD21, the receptor for the Epstein-Barr virus (EBV). The HCL-O cells expressed antigens similar and dissimilar to those expressed with the original...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204129
更新日期:1994-01-01 00:00:00
abstract::Fetal hemoglobin (HbF) concentrations were measured by a radial immunodiffusion assay in 233 patients with various malignancies. In 96 of these, alpha-fetoprotein (AFP) was also measured by radioimmunoassay. The concentration of HbF exceeded 2 SDs above the normal mean in 39 of 233 patients, most notably in patients w...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207839
更新日期:1977-01-01 00:00:00