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1.
Support Care Cancer ; 2020 Feb 13.
Artigo em Inglês | MEDLINE | ID: mdl-32056012

RESUMO

PURPOSE: Sinusoidal obstruction syndrome (SOS) is one of the most serious complications post haematopoietic stem cell transplantation (HSCT). The diagnosis of SOS is clinical, but nurses should be involved in the pre-transplant risk assessment period and play a crucial role in the early detection of signs and symptoms during and after hospitalization. The aim of this work is to achieve a consensus on nurses' behaviour in caring for SOS. METHODS: On behalf of the Italian Group for Bone and Marrow Transplantation (GITMO), a promoter committee was established to put in place a consensus conference approach. A multidisciplinary group of GITMO together with four nurses, three haematology physicians and one patient representative acted as jury, who reviewed the reports and wrote recommendations and suggestions. Recommendations gaining 100% of consensus were considered 'Golden Points of Care'; if a consensus was achieved by ≥ 75% of the jury's members, those recommendations were defined as 'Good Practices'. RESULTS: Eighteen papers written by nurses as first authors have been identified. Golden Points of Care and Good Practices were worked out for the following topics: nurses' role in general, nurses' role in pre-transplant assessment, pre-transplant risk assessment and risk stratification, baseline monitoring, suspected mild or moderate SOS, suspected severe or very severe SOS and late-onset cases. CONCLUSION: SOS is relatively rare; therefore, a holistic approach to the patients' needs considering nursing role as essential may result in better care outcomes.

2.
J Pediatr ; 2020 Feb 06.
Artigo em Inglês | MEDLINE | ID: mdl-32037152

RESUMO

OBJECTIVE: To describe the hematologic outcome and long-term survival of patients enrolled in the Shwachman-Diamond syndrome Italian Registry. STUDY DESIGN: A retrospective and prospective study of patients recorded in the Shwachman-Diamond syndrome Italian Registry. RESULTS: The study population included 121 patients, 69 males and 52 females, diagnosed between 1999 and 2018. All patients had the clinical diagnosis confirmed by mutational analysis on the SBDS gene. During the study period, the incidence of SDS was 1 in 153 000 births. The median age of patients with SDS at diagnosis was 1.3 years (range, 0-35.6 years). At the first hematologic assessment, severe neutropenia was present in 25.8%, thrombocytopenia in 25.5%, and anemia in 4.6% of patients. A normal karyotype was found in 40 of 79 patients, assessed whereas the most frequent cytogenetic abnormalities were isochromosome 7 and interstitial deletion of the long arm of chromosome 20. The cumulative incidence of severe neutropenia, thrombocytopenia, and anemia at 30 years of age were 59.9%, 66.8%, and 20.2%, respectively. The 20-year cumulative incidence of myelodysplastic syndrome/leukemia and of bone marrow failure/severe cytopenia was 9.8% and 9.9%, respectively. Fifteen of 121 patients (12.4%) underwent allogeneic stem cell transplantation. Fifteen patients (12.4%) died; the probability of overall survival at 10 and 20 years was 95.7% and 87.4%, respectively. CONCLUSIONS: Despite an improvement in survival, hematologic complications still cause death in patients with SDS. Further studies are needed to optimize type and modality of hematopoietic stem cell transplantation and to assess the long-term outcome in nontransplanted patients.

3.
Artigo em Inglês | MEDLINE | ID: mdl-31996791

RESUMO

Patients given allogeneic hematopoietic stem cell transplantation (alloHSCT) present an increased incidence of long-term toxicities that can be attributed to the preparative regimen. We retrospectively analyzed in a population of 670 children receiving allo-HSCT for acute leukemia the occurrence of different late effects in function of the choice made between total body irradiation (TBI) and busulfan, as part of the preparative regimen. In univariable analysis, we found that patients treated with TBI developed cataract in 24% of the cases compared with 4% in patients treated with BU (p = 0.0001) and that the incidence of secondary malignant neoplasia (SMN) was higher in patients treated with TBI (18%) as compared with those prepared to the allograft with a Bu-based regimen (0%) (p = 0.019). Conditioning regimen did not show a statistically significant correlation with the occurrence of all the other investigated late effects. In multivariable analysis, TBI remained associated with the occurrence of cataracts (Relative Risk: 0.33 p = 0.012) and secondary malignancies (Relative Risk 3.96 × 10e-6 p < 0.001); however, other variables, as GvHD and disease type, were also correlated with these long-term sequels, indicating that in our study population the preparative regimen is not the only factor influencing the incidence of these complications.

4.
Biol Blood Marrow Transplant ; 26(2): 316-322, 2020 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-31605823

RESUMO

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) can be curative for patients with hematologic malignancies. The ideal conditioning regimen before allo-HSCT has not been established. We conducted a Phase II study to evaluate the tolerability and efficacy of clofarabine and treosulfan as conditioning regimen before allo-HSCT. The primary objective was to evaluate the cumulative incidence of nonrelapse mortality (NRM) on day +100. Forty-four patients (36 with acute myelogenous leukemia, 5 with acute lymphoblastic leukemia, 3 with myelodysplastic syndromes) were enrolled. The median patient age was 47 years, and the median duration of follow-up was 27 months. The conditioning regimen was based on clofarabine 40 mg/m2 (days -6 to -2) and treosulfan 14 g/m2 (days -6 to -4). Allogeneic hematopoietic stem cells were derived from a sibling (n = 22) or a well-matched unrelated donor (n = 22). Graft-versus-host disease (GVHD) prophylaxis consisted of antithymocyte globulin, rituximab, cyclosporine, and a short-course of methotrexate. The regimen allowed for rapid engraftment and a 100-day NRM of 18%, due mainly to bacterial infections. The incidences of grade II-IV acute GVHD and chronic GVHD were 16% and 19%, respectively. The rates of overall survival (OS), progression-free survival, and relapse at 2 years were 51%, 31%, and 50%, respectively. Significantly different outcomes were observed between patients with low-intermediate and patients with high-very high Disease Risk Index (DRI) scores (1-year OS, 78% and 24%, respectively). Our findings show that the use of treosulfan and clofarabine as a conditioning regimen for allo-HSCT is feasible, with a 78% 1-year OS in patients with a low-intermediate DRI score. However, 1-year NRM was 18%, and despite the intensified conditioning regimen, relapse incidence remains a major issue in patients with poor prognostic risk factors.

5.
J Neurovirol ; 2019 Dec 20.
Artigo em Inglês | MEDLINE | ID: mdl-31863400

RESUMO

The aim of this study was to review the quality of the diagnostic work-up for acute encephalitis carried out at our center in a cohort of patients with hematological disorders. Our data showed substantial heterogeneity in investigating patients. Not all patients had their CSF tested for viruses commonly responsible for encephalitis in immunocompetent individuals (e.g., VZV, enterovirus). A blood sample for the calculation of the CSF/blood replication ratio was collected in 74% of cases. CSF cultures and immunophenotyping of CSF cells were performed in 77% and 21% of patients, respectively. A multidisciplinary consensus is needed to improve current guidelines and standardize diagnostic protocols.

6.
Artigo em Inglês | MEDLINE | ID: mdl-31747324

RESUMO

Purpose: To describe how the provision of services for adolescents with cancer has evolved in Italy, the study evaluated access to pediatric oncology centers affiliated to the national cooperative group Associazione Italiana Ematologia Oncologia Pediatrica (AIEOP), and the development of dedicated local projects. Methods: We calculated the observed/expected (O/E) ratio of adolescent patients (15-19 years old) admitted to AIEOP centers during the years 2013-2017. Observed cases were obtained from the AIEOP database (model 1.01). Expected cases were calculated on the incidence rates derived from the population-based registries. In addition, a questionnaire investigated the presence of any formal upper age limits for admitting patients, and to the development of local projects. Results: In the years 2013-2017, 9534 cases of cancer were registered in the AIEOP database, that is, 8031 children (0-14 years) and 1503 adolescents (15-19 years). The overall O/E ratio was 0.81, that is, 1.06 for children, and 0.37 for adolescents, and differed according the different tumor types. Concerning the questionnaire, 26% of centers reported age limits <18 years. Nineteen centers reported to have local projects dedicated to adolescents. Conclusions: The study shows an improvement in the services for adolescents in Italy, with an increase percentage of cases treated at AIEOP centers (from 10% of previous study, to 37%), the decrease of centers with admission age limits <18 years (from 44% 10 years ago, to 26%), and the development of many specific local projects. Effective cooperation with adult oncology societies and government recognition remain goals to be achieved.

7.
Cytotherapy ; 21(9): 958-972, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31279696

RESUMO

BACKGROUND: The Wilms tumor antigen 1 (WT1) is over-expressed in a vast majority of adult and childhood acute leukemia and myelodysplastic syndromes, being lowly or transiently expressed in normal tissues and hematopoietic stem cells (HSCs). A number of HLA-restricted WT1 epitopes are immunogenic, allowing the in vitro induction of WT1-specific cytotoxic T lymphocytes (CTLs) from patients and healthy donors. AIM: The aim of the study was to investigate the feasibility of producing WT1-specific CTLs suitable for somatic cell therapy to prevent or treat relapse in children with acute myeloid or lymphoblastic leukemia given haploidentical HSC transplantation (haplo-HSCT). METHODS: For WT1-specific CTL production, donor-derived either peripheral blood mononuclear cells (PBMCs) or CD8+ lymphocytes were stimulated with WT1 peptide-loaded donor dendritic cells in the presence of interleukin (IL)-7 and IL-12. Effector cells were re-stimulated once with irradiated donor PBMCs pulsed with WT1-peptides, and then expanded in an antigen-independent way. RESULTS: WT1-specific CTLs, displaying high-level cytotoxicity against patients' leukemia blasts and negligible activity against patients' non-malignant cells, were obtained from both PBMCs and CD8+ lymphocytes. WT1-specific CTLs obtained from PBMCs showed a better expansion capacity and better anti-leukemia activity than those obtained from CD8+ lymphocytes, even though the difference was not statistically significant. In CTLs derived from PBMCs, both CD8+ and CD4+ subpopulations displayed strong anti-leukemia cytotoxic activity. DISCUSSION: Results of this pre-clinical study pave the way to a somatic cell therapy approach aimed at preventing or treating relapse in children given haplo-HSCT for WT1-positive leukemia.

8.
Pediatr Dermatol ; 36(5): 702-706, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31355466

RESUMO

Transient myeloproliferative disorder (TMD) is a spontaneously resolving clonal myeloid proliferation characterized by circulating megakaryoblasts in the peripheral blood that is restricted to neonates with Down syndrome (DS) or those with trisomy 21 mosaicism. Cutaneous manifestations of TMD are observed in only 5% of affected neonates and present as a diffuse eruption of erythematous, crusted papules, papulovesicles, and pustules, often with prominent and initial facial involvement. We describe the case of a male infant with DS and TMD, associated with a vesiculopustular eruption, which appeared on day 36 of life, and review previous cases.

9.
J Appl Toxicol ; 39(9): 1320-1336, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31211441

RESUMO

Despite the growing interest in nanoparticles (NPs), their toxicity has not yet been defined and the development of new strategies and predictive models are required. Human stem cells (SCs) offer a promising and innovative cell-based model. Among SCs, mesenchymal SCs (MSCs) derived from cord lining membrane (CL) may represent a new species-specific tool for establishing efficient platforms for primary screening and toxicity/safety testing of NPs. Superparamagnetic iron oxide NPs, including magnetite (Fe3 O4 NPs), have aroused great public health and scientific concerns despite their extensive uses. In this study, CL-MSCs were characterized and applied for in vitro toxicity screening of Fe3 O4 NPs. Cytotoxicity, internalization/uptake, differentiation and proliferative capacity were evaluated after exposure to different Fe3 O4 NP concentrations. Data were compared with those obtained from bone marrow (BM)-MSCs. We observed, at early passages (P3), that: (1) cytotoxicity occurred at 10 µg/mL in CL-MSCs and 100 µg/mL in BM-MSCs (no differences in toxicity, between CL- and BM-MSCs, were observed at higher dosage, 100-300 µg/mL); (2) cell density decrease and monolayer features loss were affected at ≥50 µg/mL in CL-MSCs only; and (3) NP uptake was concentration-dependent in both MSCs. After 100 µg/mL Fe3 O4 NP exposures, the capacity of proliferation was decreased (P5-P9) in CL-MSCs without morphology alteration. Moreover, a progressive decrease of intracellular Fe3 O4 NPs was observed over culture time. Antigen surface expression and multilineage differentiation were not influenced. These findings suggest that CL-MSCs could be used as a reliable cell-based model for Fe3 O4 NP toxicity screening evaluation and support the use of this approach for improving the confidence degree on the safety of NPs to predict health outcomes.

12.
J Clin Invest ; 129(4): 1566-1580, 2019 02 25.
Artigo em Inglês | MEDLINE | ID: mdl-30830876

RESUMO

BACKGROUND: The human bone marrow (BM) niche contains a population of mesenchymal stromal cells (MSCs) that provide physical support and regulate hematopoietic stem cell (HSC) homeostasis. ß-Thalassemia (BT) is a hereditary disorder characterized by altered hemoglobin beta-chain synthesis amenable to allogeneic HSC transplantation and HSC gene therapy. Iron overload (IO) is a common complication in BT patients affecting several organs. However, data on the BM stromal compartment are scarce. METHODS: MSCs were isolated and characterized from BM aspirates of healthy donors (HDs) and BT patients. The state of IO was assessed and correlated with the presence of primitive MSCs in vitro and in vivo. Hematopoietic supportive capacity of MSCs was evaluated by transwell migration assay and 2D coculture of MSCs with human CD34+ HSCs. In vivo, the ability of MSCs to facilitate HSC engraftment was tested in a xenogenic transplant model, whereas the capacity to sustain human hematopoiesis was evaluated in humanized ossicle models. RESULTS: We report that, despite iron chelation, BT BM contains high levels of iron and ferritin, indicative of iron accumulation in the BM niche. We found a pauperization of the most primitive MSC pool caused by increased ROS production in vitro which impaired MSC stemness properties. We confirmed a reduced frequency of primitive MSCs in vivo in BT patients. We also discovered a weakened antioxidative response and diminished expression of BM niche-associated genes in BT-MSCs. This caused a functional impairment in MSC hematopoietic supportive capacity in vitro and in cotransplantation models. In addition, BT-MSCs failed to form a proper BM niche in humanized ossicle models. CONCLUSION: Our results suggest an impairment in the mesenchymal compartment of BT BM niche and highlight the need for novel strategies to target the niche to reduce IO and oxidative stress before transplantation. FUNDING: This work was supported by the SR-TIGET Core grant from Fondazione Telethon and by Ricerca Corrente.

13.
BMC Med Genomics ; 12(1): 49, 2019 03 07.
Artigo em Inglês | MEDLINE | ID: mdl-30845942

RESUMO

BACKGROUND: The onset of acute Graft-versus-Host Disease (aGvHD) has been correlated with the gut microbiota (GM) composition, but experimental observations are still few, mainly involving cohorts of adult patients. In the current scenario where fecal microbiota transplantation has been used as a pioneer therapeutic approach to treat steroid-refractory aGvHD, there is an urgent need to expand existing observational studies of the GM dynamics in Hematopoietic Stem Cell Transplantation (HSCT). Aim of the present study is to explore the GM trajectory in 36 pediatric HSCT recipients in relation to aGvHD onset. METHODS: Thirty-six pediatric patients, from four transplantation centers, undergoing HSCT were enrolled in the study. Stools were collected at three time points: before HSCT, at time of engraftment and > 30 days following HSCT. Changes in the GM phylogenetic structure were studied by 16S rRNA gene Illumina sequencing and phylogenetic assignation. RESULTS: Children developing gut aGvHD had a dysbiotic GM layout before HSCT occurred. This putative aGvHD-predisposing ecosystem state was characterized by (i) reduced diversity, (ii) lower Blautia content, (iii) increase in Fusobacterium abundance. At time of engraftment, the GM structure underwent a deep rearrangement in all patients but, regardless of the occurrence of aGvHD and its treatment, it reacquired a eubiotic configuration from day 30. CONCLUSIONS: We found a specific GM signature before HSCT predictive of subsequent gut aGvHD occurrence. Our data may open the way to a GM-based stratification of the risk of developing aGvHD in children undergoing HSCT, potentially useful also to identify patients benefiting from prophylactic fecal transplantation.


Assuntos
Microbioma Gastrointestinal , Doença Enxerto-Hospedeiro/microbiologia , Doenças Hematológicas/terapia , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Doença Aguda , Adulto , Biodiversidade , Feminino , Doença Enxerto-Hospedeiro/etiologia , Doenças Hematológicas/imunologia , Doenças Hematológicas/microbiologia , Humanos , Masculino , Fatores de Tempo , Transplante Homólogo/efeitos adversos
14.
Eur J Cancer ; 110: 86-97, 2019 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-30772657

RESUMO

INTRODUCTION: Advances in paediatric oncology led to the increase in long-term survival, revealing the burden of therapy-related long-term side effects. We evaluated overall and cause-specific mortality in a large cohort of Italian childhood cancer survivors (CCSs) and adolescent cancer survivors identified through the off-therapy registry. MATERIALS AND METHODS: CCSs alive 5 years after cancer diagnosis occurring between 1960 and 1999 were eligible; the last follow-up was between 2011 and 2014. Outcomes were reported as standardised mortality ratios (SMRs) and absolute excess risks (AERs). RESULTS: Among 12,214 CCSs, 1113 (9.1%) deaths occurred. Survival at 35 years since diagnosis was 87% (95% confidence interval [CI]: 86-88) and at 45 years was 81% (95% CI: 77-84). CCSs had an 11-fold increased risk of death (SMR 95% CI: 10.7-12), corresponding to an AER of 48 (95% CI: 45-51). Mortality decreased by 60% for survivors treated most recently (1990-1999). The most frequent causes of death were recurrence of the original cancer (56%), a subsequent neoplasm (19%) and cardiovascular diseases (5.8%). Among those who survived at least 15 years after diagnosis, a secondary malignancy was the leading cause of death. CONCLUSIONS: This study confirms the impact of recent advances in anticancer therapy in reducing mortality, mainly attributable to recurrence but also to other causes. However, overall mortality continues to be higher than in the general population. A long-term follow-up is needed to prevent late mortality due to secondary neoplasms and non-neoplastic causes in CCSs.

15.
Bone Marrow Transplant ; 54(10): 1632-1642, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30804489

RESUMO

This multivariable analysis from the AdVance multicenter observational study assessed adenovirus (AdV) viremia peak, duration, and overall AdV viral burden-measured as time-averaged area under the viremia curve over 16 weeks (AAUC0-16)-as predictors of all-cause mortality in pediatric allo-HCT recipients with AdV viremia. In the 6 months following allo-HCT, 241 patients had AdV viremia ≥ 1000 copies/ml. Among these, 18% (43/241) died within 6 months of first AdV ≥ 1000 copies/ml. Measures of AdV viral peak, duration, and overall burden of infection consistently correlate with all-cause mortality. In multivariable analyses, controlling for lymphocyte recovery, patients with AdV AAUC0-16 in the highest quartile had a hazard ratio of 11.1 versus the lowest quartile (confidence interval 5.3-23.6); for peak AdV viremia, the hazard ratio was 2.2 for the highest versus lowest quartile. Both the peak level and duration of AdV viremia were correlated with short-term mortality, independent of other known risk factors for AdV-related mortality, such as lymphocyte recovery. AdV AAUC0-16, which assesses both peak and duration of AdV viremia, is highly correlated with mortality under the current standard of care. New therapeutic agents that decrease AdV AAUC0-16 have the potential of reducing mortality in this at-risk patient population.

17.
Br J Haematol ; 184(3): 397-404, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30460979

RESUMO

Allogeneic haematopoietic stem cell transplantation is still the only available curative option for Familial Haemophagocytic Lymphohistiocytosis (FHLH). Most studies report outcomes after bone marrow or peripheral blood stem cell transplantation. We analysed the outcomes of 118 children with FHLH undergoing single-unit umbilical cord blood transplantation performed from 1996 to 2014. Myeloablative conditioning regimen was given to 90% of the patients, and was mostly busulfan-based (n = 81, 76%), including anti-thymocyte globulin or alemtuzumab (n = 102, 86%). The cumulative incidence of Day 60 neutrophil engraftment was 85%; and that of non-relapse mortality and acute graft-versus-host disease (GvHD) was 21% and 33% at 100 days, respectively. The 6-year cumulative incidence of chronic GvHD was 17% and the 6-year probability of overall survival was 55%. In multivariate analysis, children receiving a graft with a total nucleated cell dose greater than 9·9 × 107 /kg had a better overall survival (hazard ratio [HR]: 0·49, 95% CI: 0·27-0·88, P = 0·02). Degree of human leucocyte antigen (HLA) matching was associated with improved disease-free survival (5/6 vs. 6/6 HR: 2·11, 95% confidence interval [CI]: 1·01-4·4, P = 0·05 and ≤4/6 vs. 6/6, HR: 2·82, CI: 1·27-6·23, P = 0·01). Umbilical cord blood transplantation with a high cell dose and good HLA match is a suitable alternative option to haematopoietic stem cell transplantation in children with FHLH who lack a HLA-matched donor.


Assuntos
Transplante de Células-Tronco de Sangue do Cordão Umbilical , Linfo-Histiocitose Hemofagocítica , Condicionamento Pré-Transplante , Doadores não Relacionados , Adolescente , Aloenxertos , Criança , Pré-Escolar , Intervalo Livre de Doença , Feminino , Humanos , Lactente , Recém-Nascido , Linfo-Histiocitose Hemofagocítica/mortalidade , Linfo-Histiocitose Hemofagocítica/terapia , Masculino , Estudos Retrospectivos , Fatores de Risco , Taxa de Sobrevida
18.
Leuk Lymphoma ; 60(3): 696-702, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-30301436

RESUMO

Many studies have reported a more favorable outcome in younger patients with Hodgkin lymphoma (HL). The aims of this study were to find an appropriate age cutoff able to identify low-risk children and to describe the natural history of 135 very young patients affected by classic HL (cHL). The best age cutoff was identified at 7 years of age. EFS (p = .0451) and PFS (p = .00921) were significantly better in the group of younger patients. The OS rate at 10 years was 97.0% in the younger group and 92.5% in the older one (p = .0448). However, age was not found to be an independent prognostic factor in multivariate analysis and the better prognosis in younger patients seems to be related to more favorable disease characteristics at presentation.

19.
Biol Blood Marrow Transplant ; 25(2): 313-320, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30266674

RESUMO

Sinusoidal obstruction syndrome (SOS), also known as veno-occlusive disease (VOD), is a potentially life-threatening complication that may develop after hematopoietic stem cell transplantation (HSCT). The aims of this retrospective multicenter study were to evaluate the incidence of SOS/VOD in a large cohort of children transplanted in centers across Italy by applying the new European Society for Blood and Marrow Transplantation (EBMT) criteria and to analyze the risk factors underlying this complication. We retrospectively reviewed data of pediatric HSCTs performed in 13 AIEOP (Associazione Italiana di Ematologia e Oncologia Pediatrica)-affiliated centers between January 2000 and April 2016. The new pediatric EBMT criteria were retrospectively applied for diagnoses of SOS/VOD and severity grading. Among 5072 transplants considered at risk for SOS/VOD during the study period, 103 children (2%) developed SOS/VOD, and the grade was severe or very severe in all patients. The median time of SOS/VOD occurrence was 17 days after HSCT (range, 1 to 104). Sixty-nine patients (67%) were treated with defibrotide for a median time of 16 days (range, 4 to 104). In multivariable analysis age < 2 years, use of busulfan during the conditioning regimen, female gender, and hemophagocytic lymphohistiocytosis were risk factors statistically associated with the development of SOS/VOD. The overall mortality directly related to SOS/VOD was 15.5%. Overall survival at 1 year was worse in patients with SOS/VOD (P = .0033), and this difference disappeared 5 years after HSCT. Nonrelapse mortality was significantly higher 1 and 5 years after transplantation in patients who developed SOS/VOD (P < .001). Based on the application of new EBMT criteria, the overall incidence of SOS/VOD recorded in this large Italian pediatric retrospective study was 2%. Nonrelapse mortality was significantly higher in patients who developed SOS/VOD. Identifying the risk factors associated with SOS/VOD can lead to more effective early treatment strategies of this potentially fatal HSCT complication in childhood.


Assuntos
Transplante de Células-Tronco Hematopoéticas , Hepatopatia Veno-Oclusiva , Polidesoxirribonucleotídeos/administração & dosagem , Sistema de Registros , Aloenxertos , Autoenxertos , Pré-Escolar , Intervalo Livre de Doença , Feminino , Hepatopatia Veno-Oclusiva/diagnóstico , Hepatopatia Veno-Oclusiva/tratamento farmacológico , Hepatopatia Veno-Oclusiva/etiologia , Hepatopatia Veno-Oclusiva/mortalidade , Humanos , Incidência , Lactente , Itália , Masculino , Estudos Retrospectivos , Fatores de Risco , Taxa de Sobrevida
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