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  • 1
    ISSN: 1569-8041
    Keywords: autologous peripheral blood progenitor cell transplantation ; febrile neutropenia ; high-dose chemotherapy ; home care ; outpatient treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: After high-dose chemotherapy with autologous stem-cell support long hospital stays in the aplastic phase are expensive, lead to increased risk of hospital infections and to increasing pressure on available hospital beds. We developed a home care regimen that allows patients to be at home for most of the aplastic period, without daily hospital visits. Patients and methods: Between October 1995 and December 1997, transfer of supportive care to the home setting took place in three phases for patients undergoing high-dose chemotherapy with stem-cell transplant for malignant lymphoma (one course of BEAM), breast cancer or germ-cell cancer (three courses of tCTC). In the inpatient cohort, the supportive care designed for at home use was administered in the hospital until neutrophile recovery to 0.5 × 109/l. In the second, outpatient cohort, patients were discharged the day after stem-cell reinfusion but the supportive care was delivered daily in hospital. The third, home care cohort, consisted of patients who were discharged the day after stemcell reinfusion, after which specialized home care professionals delivered all supportive care including transfusions and parenteral antibiotics at home, with once weekly check-up in hospital by the transplant physician. Results: Forty-two patients were treated with 81 cycles of high-dose chemotherapy (11, 18 and 13 patients and 17, 40 and 24 courses in the inpatient, outpatient and home care cohorts respectively). Inpatients were hospitalized in the aplastic phase for a median of 14 days. Patients in the outpatient cohort were at home in the aplastic phase for a median of six days (with a median of six days in hospital), and in the home care cohort for a median of 10 days (with a median of 1.5 days in hospital). Unscheduled readmissions and hospital visits were frequent in the outpatient and home care cohorts, mostly due to fever, central indwelling catheter malfunctioning or chemotherapy-related toxicity. However, patients could usually be discharged again after observation and treatment. No infectious deaths or unexpected emergencies occurred in the outpatient or home care cohort. Neither was there any suggestion of an increased number of fevers, infections, or other complications. Conclusions: At home management in the aplastic phase after high-dose chemotherapy and stemcell transplant by community-based professionals is feasible without signs of increased toxicity or infections.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0584
    Keywords: Key words Thrombopoietin ; Interleukin-11 ; Interleukin-6 ; Thrombocytopenia ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We measured serum levels of thrombopoietin (TPO), interleukin (IL)-11, and IL-6 in 90 different samples from 67 pediatric patients with thrombocytopenia (TP). The cytokine levels were determined by enzyme-linked immunosorbent assays (ELISA), and the biological activity of TPO was measured using a cell line transfected with human c-mpl. In patients with impaired megakaryocytopoiesis, as found in diseases such as aplastic anemia, amegakaryocytic TP, or TP with absent radii, we found TPO levels which were highly elevated compared with normal values (mean=261 AU/ml, n=52, vs. 22 AU/ml in healthy controls). In contrast, patients suffering from idiopathic thrombocytopenic purpura (mean=16 AU/ml, n=31) or platelet function defects (mean=23 AU/ml, n=7) demonstrated normal TPO levels. The biological activity tested in the bioassay correlated well with the ELISA data. However, sera of some patients with amegakaryocytic TP demonstrated a remarkably higher biological activity of TPO than expected from the ELISA data. Within the different groups there was no correlation between platelet counts and TPO levels. Only 27% of all samples had elevated levels of IL-11 (mean=450 pg/ml, n=20). Elevated IL-6 serum levels were detected in only 13% of all samples analyzed (mean=42 pg/ml, n=12). We conclude that megakaryocytopoiesis is regulated mainly by TPO, that it is dependent on the platelet and the megakaryocytic mass, and that IL-11 plays an additional role in supporting the platelet production. IL-6 does not appear to be up-regulated in children with thrombocytopenia.
    Type of Medium: Electronic Resource
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