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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 7 (1980), S. 0 
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Two cases of graft-vs-host reaction (GVHR) after allogeneic bone marrow transplantation were studied by transmission electron microscopy. One was observed only in the acute phase and the other, after a mild acute reaction, showed a chronic lichen planus-like pattern. All types of skin damage described in experimental GVHR have been confirmed in both cases. Our findings indicate an involvement of aggressor lymphocytes against keratinocytes as the chief pathogenetic mechanism of the disease, even in its chronic form, although the participation of humoral factors in some phases of the disorder cannot be excluded. The participation of Langerhans cells and macrophages in the reaction could not be demonstrated in these cases.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 102 (1980), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The cutaneous changes of the acute form of graft-vs-host reaction are described in two patients who underwent bone marrow transplantation for treatment of severe aplastic anaemia. One patient went on to develop a chronic reaction of the lichenoid type. Histopathology confirmed the presence of ‘satellite cell necrosis’ from the acute stage of the disease onwards. Direct immunofluorescence showed deposits of immunoglobulin (IgG, IgM), fibrinogen and complement on the necrotic keratinocytes, whilst the basement membrane was positive for C3. These findings suggest that humoral immunity as well as cellular immunity may play a part in the production of the rash.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0584
    Keywords: Allogeneic bone marrow transplantation ; Fibroblast stromal engraftment ; Y-Body
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The value of Y-body study for assessment of stromal cell engraftment was analyzed in 25 patients submitted to allogeneic bone marrow transplantation (BMT) (sex-matched in 12 cases and sex-mismatched in 13). The study was performed weekly on bone marrow smears until day + 35, and the results were compared with those obtained in a control group of 20 patients submitted to autologous BMT (12 males and 8 females). Engraftment of haemopoietic cells was documented in all cases. The results of Y-body study on the recipients' fibroblast cells showed a pattern identical to that observed prior to BMT, independent of donor's sex. On the other hand, there were no differences between allogeneic and autologous BMT recipients in regard to percentage of Y-body positive cells. These results indicate that in allogeneic BMT there is no engraftment of the fibroblastic component of bone marrow stroma.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0584
    Keywords: Chronic systemic candidiasis ; Acute leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the past few years a new syndrome of invasiveCandida infection, the so-called hepatosplenic or chronic systemic candidiasis (CSC), has been recognized with increasing frequency in neutropenic patients. From January 1985 to December 1990, ten of 305 acute leukemia (AL) patients treated at our institution were diagnosed as having CSC. In contrast, during the same period this type ofCandida infection was not observed in any patient with hematological diseases other than AL treated in our center, including 277 patients who underwent bone marrow transplantation. All patients with CSC had fever and hepatomegaly, and five complained of abdominal pain. Seven patients had neutrophilic leukocytosis and six an increased serum alkaline phosphatase activity. Abdominal computed tomography and ultrasound study showed typical lesions in eight and seven patients, respectively. In four patients a laparoscopy-guided needle liver biopsy displayed yellowish nodules on the liver surface, and the histologic study revealed large granulomas with yeasts and pseudohyphae. All patients were given amphotericin B (mean: 4.6 g, range: 1–12.5 g) and 5-fluorocytosine, and five received fluoconazole. No patient died as a direct consequence of CSC and in six the infection resolved. Finally, once controlled, the infectious complication did not preclude subsequent intensive antileukemic therapy, including bone marrow transplantation.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0584
    Keywords: Bone marrow transplantation ; Hepatic veno-occlusive disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Among 217 patients who received an allogeneic (136 cases) or autologous (81 cases) bone marrow transplant, the diagnosis of hepatic veno-occlusive disease (VOD) was established in 38 according to Seattle clinical criteria. Thirty-two underwent a transjugular liver biopsy and measurement of the hepatic venous pressure gradient (HVPG). The study was completed in 30 patients with no serious complications. Hepatic VOD was histologically confirmed in 18 patients (60%); the remaining 12 were classified as non-VOD. An increased HVPG discriminated well between VOD and non-VOD cases. Thus, hemodynamic data can considerably reinforce the accuracy of histological diagnosis. The predictive value of two vs. three clinical data of the Seattle criteria was analyzed. Among the 19 cases fulfilling two clinical data VOD was confirmed in only eight (42%), whereas VOD was proved in ten of 11 cases (91%) (p=0.02) suspected on the basis of three clinical data. When reliability of the Baltimore clinical criteria was analyzed, the result was identical to that observed when three Seattle clinical data were present. The specificity of the latter classification was high (92%) while its sensitivity was relatively low (56%). In conclusion, clinical criteria are not reliable for either recognizing or excluding the diagnosis of VOD. Thus, a transjugular liver biopsy, associated with hemodynamic evaluation, is strongly recommended when VOD is clinically suspected.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1238
    Keywords: Key words Engraftment syndrome ; Respiratory failure ; Bone marrow transplantation ; Granulocyte colony-stimulating factor (G-CSF) ; Acute respiratory distress syndrome (ARDS)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Respiratory failure (RF) requiring mechanical ventilation (MV) is a frequent, critical complication of bone marrow transplantation. RF has a global survival rate at 6 months of between 2 and 5 %, depending on the patient group. Recently, a type of RF associated with hemoperipheric recovery has been described. This is known as engraftment syndrome. We have documented two cases of RF that follow the engraftment syndrome criteria and needed MV. Both patients had all the features identified for a bad prognosis described in the literature. Both are alive after being discharged from the hospital 20 months ago.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 16 (1997), S. 546-548 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 18 (1999), S. 539-544 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The purpose of this study was to identify risk factors for mortality in neutropenic patients with cancer and bacteremia. A consecutive sample of 438 neutropenic patients (granulocyte count 〈0.5×109/l) with cancer and bacteremia was studied to identify the clinical characteristics associated with mortality at the onset of bacteremia. The mean age of the subjects was 48 years (range, 15–87 years). Most cases of bacteremia (77%) were hospital-acquired and occurred in patients with acute leukemia (48%). Gram-positive organisms caused 233 (53%) episodes of bacteremia, gram-negative organisms caused 151 (34%) episodes, and 48 (11%) episodes were polymicrobial. The overall mortality within 30 days of the onset of bacteremia was 24.4%. The variables found to be independently associated with increased mortality using logistic regression techniques were as follows: shock at the onset of bacteremia (OR, 10; 95% CI, 4.2–23.8), pneumonia (OR,4.4; 95% CI, 1.9–10), uncontrolled cancer (OR,4.3; 95 %CI, 1.5–12.7), and absence of prophylaxis with norfloxacin (OR,2.4; 95%CI, 1.3–4.5). The prognostic factors ascertained in this study may help to identify those patients at higher risk of death. Medical intervention addressing some of these factors may improve the outcome of bacteremia in neutropenic patients with cancer.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 15 (1996), S. 291-296 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Trends in causative organisms and sources of infection were studied in a series of 288 episodes of bacteremia in neutropenic cancer patients observed in a single institution from 1986 to 1993. The incidence of bacteremia increased significantly from 20 episodes per 1000 admissions in 1986 to 50 episodes per 1000 admissions in 1993 (p=0.00001). Over the study period, a continuous increment in gram-positive bacteremia, which reached 81% of episodes in 1993 (p=0.000001), was observed. Conversely, the incidence of gram-negative bacteremia remained stable. Coagulase-negative staphylococci and viridans group streptococci were the most commonly isolated pathogens. Bacteremia caused by coagulase-negative staphylococci increased from 3 episodes per 1000 admissions to 19 episodes per 1000 admissions (p=0.0001), and viridans group streptococci bacteremia increased from 0 episodes per 1000 admissions to 19 episodes per 1000 admissions (p=0.000001). The upward trend in gram-positive bacteremia appeared to be related to a significant increase in both intravascular catheters (p=0.003) and oral mucositis (p=0.003) as sources of infection. Specific strategies to prevent chemotherapy-induced mucositis and catheter-related bacteremia merit further investigations.
    Type of Medium: Electronic Resource
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