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1.
Am J Prev Med ; 56(4): 571-579, 2019 04.
Artigo em Inglês | MEDLINE | ID: mdl-30799161

RESUMO

INTRODUCTION: Healthy food incentives matching Supplemental Nutrition Assistance Program (SNAP) benefits spent on fruits and vegetables subsidize increased produce consumption among low-income individuals at risk for food insecurity and diet-related disease. Yet many eligible participants do not use these incentives, in part because of limited awareness. This study examined the acceptability and impact of a primary care-based informational intervention on facilitators and barriers to use of the statewide SNAP incentive program Double Up Food Bucks. METHODS: Focus groups (n=5) were conducted April-June 2015 among a purposive sample (n=26) of SNAP-enrolled adults from a Michigan health clinic serving low-income patients. All had participated in a waiting room-based informational intervention about Double Up Food Bucks; none had used Double Up Food Bucks before the intervention. Groups were stratified by Double Up Food Bucks use/non-use during the 6-month intervention period. Results were analyzed in 2016-2017 through an iterative content analysis process. RESULTS: Participants reported the waiting room intervention was acceptable and a key facilitator of first-time Double Up Food Bucks use. Motivators for Double Up Food Bucks use included (1) eating more healthfully, (2) stretching SNAP benefits, (3) higher-quality produce at markets, and (4) unique market environments. Remaining barriers included (1) lack of transportation, (2) limited market locations/hours, and (3) persistent confusion among a small number of participants regarding incentive use. CONCLUSIONS: Low-income patients who received an informational intervention about Double Up Food Bucks reported numerous benefits from participation. Yet barriers remained for a subset of patients. Improving geographic accessibility and ease of SNAP incentive redemption may further improve dietary quality and food security among vulnerable populations.


Assuntos
Dieta Saudável/economia , Assistência Alimentar/organização & administração , Motivação , Pobreza/psicologia , Atenção Primária à Saúde/organização & administração , Adulto , Dieta Saudável/psicologia , Feminino , Grupos Focais , Assistência Alimentar/economia , Frutas , Promoção da Saúde/economia , Promoção da Saúde/métodos , Humanos , Masculino , Michigan , Pessoa de Meia-Idade , Educação de Pacientes como Assunto , Pobreza/economia , Atenção Primária à Saúde/economia , Pesquisa Qualitativa , Verduras
2.
Am J Prev Med ; 54(2): 181-189, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-29246675

RESUMO

INTRODUCTION: Federal food assistance programs such as the Supplemental Nutrition Assistance Program (SNAP) help address food insecurity, yet many participants still struggle to afford nutritionally adequate foods. The U.S. Department of Agriculture has committed $100 million to the expansion and evaluation of SNAP healthy food incentives, which match SNAP funds spent on produce. However, little is known about who uses SNAP incentives or how often they are used. This study examines patterns and correlates of use of the SNAP incentive Double Up Food Bucks at all eight participating Detroit farmers markets during 2012-2013. METHODS: SNAP/Double Up Food Bucks transactions from handwritten farmers market logs (n=21,541) were linked with state administrative SNAP enrollment data. Frequency of incentive use and characteristics of Double Up Food Bucks users relative to the overall Detroit SNAP-enrolled population were examined, as were market-level characteristics associated with program use. Negative binomial regression was used to estimate predictors of repeat transactions (analyses conducted 2015-2017). RESULTS: Although demographic characteristics of Double Up Food Bucks users reflected those of the overall Detroit SNAP-enrolled population, Double Up Food Bucks users were poorer and disproportionately female. One third of Double Up Food Bucks users had more than one transaction during the 2-year period. Repeat transactions were directly correlated with identifying as white (incidence rate ratio=2.34, 95% CI=2.11, 2.59, p<0.001), and inversely correlated with driving distance from market of first transaction (incidence rate ratio=0.98 per mile, 95% CI=0.98, 0.99, p<0.001). Rates of repeat transactions also varied significantly by market. CONCLUSIONS: Addressing barriers to initial use and return visits can help maximize the impact and reach of SNAP incentives among Americans at highest risk of diet-related disease.


Assuntos
Comércio/estatística & dados numéricos , Comportamento Alimentar , Assistência Alimentar/estatística & dados numéricos , Abastecimento de Alimentos , Promoção da Saúde/métodos , Adulto , Comércio/métodos , Fazendeiros , Feminino , Assistência Alimentar/organização & administração , Frutas/provisão & distribuição , Humanos , Masculino , Michigan , Pessoa de Meia-Idade , Motivação , Pobreza/estatística & dados numéricos , Fatores Sexuais , Verduras/provisão & distribuição
3.
Am J Prev Med ; 52(2): 154-162, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-28109458

RESUMO

INTRODUCTION: Diet-related disease is disproportionately concentrated in low-income communities where fruit and vegetable consumption is far below guidelines. To address financial barriers, Double Up Food Bucks (DUFB)-a statewide healthy food incentive-matches Supplemental Nutrition Assistance Program (SNAP) funds spent at farmers markets. However, incentive use is limited. This study examined the impact of a brief waiting room-based intervention about DUFB on program utilization and produce consumption. STUDY DESIGN: Longitudinal, repeated measures, quasi-experimental trial. SETTING/PARTICIPANTS: SNAP-enrolled adults at a health center in a low-income, racially and ethnically diverse area of Southeast Michigan. INTERVENTION: Participants received a brief explanation of DUFB, written program materials, a map highlighting market locations and hours, and an initial $10 market voucher. DUFB use and produce consumption were measured through four surveys over 5 months (August 2014-January 2015). MAIN OUTCOME MEASURES: Outcome measures included DUFB use and fruit and vegetable consumption (analyses conducted in 2015-2016). RESULTS: A total of 302 eligible adults were identified, and 177 (59%) enrolled. One hundred twenty-seven (72%) completed all surveys. At baseline, 57% of participants reported shopping at a farmers market within the last year; 18% had previously used DUFB. By the end of the DUFB season, participants were significantly more likely to report DUFB use than at baseline (AOR=19.2, 95% CI=10.3, 35.5, p<0.001), with 69% of participants reporting use of DUFB at least once, and 34% reporting use of DUFB three or more times. Adjusted fruit and vegetable consumption increased from baseline by 0.65 servings/day (95% CI=0.37, 0.93, p<0.001) at 3 months, and remained 0.62 servings/day (95% CI=0.32, 0.92, p<0.001) higher than baseline 2 months post-DUFB season. CONCLUSIONS: A brief clinic-based intervention was associated with a nearly fourfold increase in uptake of a SNAP incentive program, as well as clinically and statistically significant increases in produce consumption. Results suggested sustained behavior change even once the financial incentive was no longer available. Providing information about healthy food incentives is a low-cost, easily implemented intervention that may increase produce consumption among low-income patients.


Assuntos
Dieta/economia , Comportamento Alimentar , Promoção da Saúde/métodos , Pobreza/economia , Adulto , Diabetes Mellitus/prevenção & controle , Dieta/psicologia , Feminino , Assistência Alimentar , Frutas/economia , Promoção da Saúde/economia , Cardiopatias/prevenção & controle , Humanos , Hipertensão/prevenção & controle , Estudos Longitudinais , Masculino , Michigan , Pessoa de Meia-Idade , Motivação , Obesidade/prevenção & controle , Pobreza/psicologia , Autorrelato , Verduras/economia
4.
Exp Clin Endocrinol Diabetes ; 125(2): 86-90, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27750354

RESUMO

Objective: Childhood obesity which is a predictor of adulthood obesity is associated with type 2 diabetes, metabolic syndrome, dyslipidemia, coronary artery diseases and subclinical inflammation. Growth differentiation factor-15, also known as macrophage inhibitory cytokine-1 (MIC-1/GDF15) is a member of the transforming growth factor- ß super family and increases during inflammatory states. Adults with obesity have increased serum concentrations of MIC-1/GDF15. MIC-1/GDF15 is associated with cardio metabolic risk in adults. Design: Identification of obese children at higher risk for cardio metabolic complications is important. The relations of MIC-1/GDF15 to parameters of obesity in children have never been studied. Methods: We measured serum MIC-1/GDF15 concentration in obese children by ELISA and evaluated its relationship with anthropometric, biochemical and echocardiographic parameters. Results: No significant difference in serum MIC-1/GDF15 between normal-weight and obese children was observed. MIC-1/GDF15 was positively correlated with CRP, ALT and aortic dimension when normal-weight and obese children were analyzed together. Conclusions: MIC-1/GDF15 may provide a link between childhood obesity and cardio metabolic complications that will occur in time course. Further work would be required to find out if MIC-1/GDF15 has any role in the early inflammatory, cardiac and metabolic changes in childhood obesity.


Assuntos
Fator 15 de Diferenciação de Crescimento/sangue , Cardiopatias/sangue , Cardiopatias/etiologia , Obesidade/sangue , Obesidade/complicações , Adolescente , Adulto , Aorta/patologia , Povo Asiático , Criança , China , Feminino , Cardiopatias/patologia , Humanos , Masculino , Obesidade/patologia
5.
Bone Marrow Transplant ; 52(1): 28-33, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-27595282

RESUMO

Bendamustine has shown a favorable safety profile when included in chemotherapy regimens for several types of lymphoma, including CLL. This study investigated the long-term effect of adding bendamustine to a conditioning regimen on survival, rate of engraftment, immune recovery and GvHD after allogeneic stem cell transplantation (alloSCT) in CLL patients. These outcomes were compared with the fludarabine, cyclophosphamide and rituximab (FCR) conditioning regimen. We reviewed the data for 89 CLL patients treated on three trials at our institution. Twenty-six (29%) patients received bendamustine, fludarabine and rituximab (BFR) and 63 (71%) received FCR. Patient characteristics were similar in both groups. Ten (38%) BFR-treated patients vs only two (3%) FCR-treated patients did not experience severe neutropenia (P=<0.001). The 3-year overall survival estimates for the BFR and FCR groups were 82 and 51% (P=0.03), and the 3-year PFS estimates were 63% and 27% (P=0.001), respectively. The 2-year treatment-related mortality was 8 and 23% and the incidence of grade 3 or 4 GvHD was 4% and 10%, respectively. This study is the first to report that addition of bendamustine to alloSCT conditioning for CLL patients is associated with improved survival and lower mortality, myelosuppression, and GvHD.


Assuntos
Cloridrato de Bendamustina/administração & dosagem , Leucemia Linfocítica Crônica de Células B/mortalidade , Leucemia Linfocítica Crônica de Células B/terapia , Condicionamento Pré-Transplante/métodos , Adulto , Idoso , Ciclofosfamida/administração & dosagem , Intervalo Livre de Doença , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Rituximab/administração & dosagem , Taxa de Sobrevida , Vidarabina/administração & dosagem , Vidarabina/análogos & derivados
7.
Diagn Interv Imaging ; 97(11): 1141-1150, 2016 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-27156243

RESUMO

PURPOSE: The goal of this study was to investigate the radiation dose and diagnostic efficacy of cardiac computed tomography angiography (CCTA) using prospective ECG-gated high-pitch dual-source computed tomography (DSCT) in the diagnosis of congenital cardiovascular abnormalities in pediatric population. MATERIALS AND METHODS: One hundred five pediatric patients who were clinically diagnosed with congenital heart disease with suspected extracardiac vascular abnormalities were included in the study. All CCTAs were performed on a 128×2-section DSCT scanner. CCTA findings were compared with surgical and/or conventional cardiac angiography findings. Dose-length product (DLP) and effective doses (ED) were calculated for each patient. Patients were divided into 4 groups by age, and ED and DLP values were compared among groups. The image quality was evaluated using a five-point scale. RESULTS: CCTA showed 173 abnormalities in 105 patients. There were 2 patients with false positive and 3 with false negative findings. The sensitivity and specificity of CCTA were 98.3% and 99.9%, respectively. The positive predictive value and negative predictive value of CCT were 98.9% and 99.9%, respectively. The average DLP and ED values were 15.6±9.6 (SD) mGy.cm and 0.34±0.10 (SD) mSv, respectively. The mean image quality score was 4.8±0.5 (SD) in all patients. The inter-observer agreement for the image quality scores was good (κ=0.80). CONCLUSION: CCTA is an excellent imaging modality for evaluation of cardiovascular abnormalities and provides excellent image quality with very low radiation exposure when low-dose prospective ECG-triggered high-pitch DSCT is used.


Assuntos
Anormalidades Múltiplas/diagnóstico por imagem , Técnicas de Imagem de Sincronização Cardíaca/métodos , Anormalidades Cardiovasculares/diagnóstico por imagem , Angiografia por Tomografia Computadorizada/métodos , Angiografia Coronária/métodos , Cardiopatias Congênitas/diagnóstico por imagem , Processamento de Imagem Assistida por Computador/métodos , Adolescente , Criança , Pré-Escolar , Humanos , Lactente , Recém-Nascido , Imagens de Fantasmas , Estudos Prospectivos , Doses de Radiação , Sensibilidade e Especificidade
8.
Am J Transplant ; 16(5): 1492-502, 2016 05.
Artigo em Inglês | MEDLINE | ID: mdl-26608093

RESUMO

Nephropathy due to BK virus (BKV) infection is an evolving challenge in patients undergoing hematopoietic stem cell transplantation (HSCT). We hypothesized that BKV infection was a marker of kidney function decline and a poor prognostic factor in HSCT recipients who experience this complication. In this retrospective study, we analyzed all patients who underwent their first allogeneic HSCT at our institution between 2004 and 2012. We evaluated the incidence of persistent kidney function decline, which was defined as a confirmed reduction in estimated glomerular filtration rate of at least 25% from baseline using the Chronic Kidney Disease Epidemiology equation. Cox proportional hazard regression was used to model the cause-specific hazard of kidney function decline, and the Fine-Gray method was used to account for the competing risks of death. Among 2477 recipients of a first allogeneic HSCT, BK viruria was detected in 25% (n = 629) and kidney function decline in 944 (38.1%). On multivariate analysis, after adjusting for age, sex, acute graft-versus-host disease (GVHD), chronic GVHD, preparative conditioning regimen, and graft source, BK viruria remained a significant risk factor for kidney function decline (p < 0.001). In addition, patients with BKV infection and kidney function decline experienced worse overall survival. After allogeneic HSCT, BKV infection was strongly and independently associated with subsequent kidney function decline and worse patient survival after HSCT.


Assuntos
Vírus BK/patogenicidade , Doença Enxerto-Hospedeiro/mortalidade , Doenças Hematológicas/mortalidade , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Nefropatias/mortalidade , Infecções por Polyomavirus/mortalidade , Infecções Tumorais por Vírus/mortalidade , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Feminino , Seguimentos , Taxa de Filtração Glomerular , Doença Enxerto-Hospedeiro/etiologia , Doenças Hematológicas/complicações , Doenças Hematológicas/terapia , Humanos , Lactente , Recém-Nascido , Nefropatias/virologia , Testes de Função Renal , Masculino , Pessoa de Meia-Idade , Infecções por Polyomavirus/virologia , Prognóstico , Estudos Retrospectivos , Fatores de Risco , Taxa de Sobrevida , Transplante Homólogo , Infecções Tumorais por Vírus/virologia , Adulto Jovem
9.
Bone Marrow Transplant ; 50 Suppl 2: S55-62, 2015 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-26039209

RESUMO

We are entering a very exciting era in umbilical cord blood transplantation (UCBT), where many of the associated formidable challenges may become treatable by ex vivo graft manipulation and/or adoptive immunotherapy utilizing specific cellular products. We envisage the use of double UCBT rather than single UCBT for most patients; this allows for greater ability to treat larger patients as well as to manipulate the graft. Ex vivo expansion and/or fucosylation of one cord will achieve more rapid engraftment, minimize the period of neutropenia and also give certainty that the other cord will provide long-term engraftment/immune reconstitution. The non-expanded (and future dominant) cord could be chosen for characteristics such as better HLA matching to minimize GvHD, or larger cell counts to enable part of the unit to be utilized for the development of specific cellular therapies such as the production of virus-specific T-cells or chimeric-antigen receptor T-cells which are reviewed in this study.


Assuntos
Transplante de Células-Tronco de Sangue do Cordão Umbilical , Facilitação Imunológica de Enxerto/métodos , Sobrevivência de Enxerto , Doença Enxerto-Hospedeiro/prevenção & controle , Engenharia Tecidual/métodos , Humanos
10.
Genet Couns ; 25(2): 171-5, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25059015

RESUMO

Seckel syndrome is an autosomal recessive disease presenting with marked growth retardation, microcephalic dwarfism, some facial and skeletal abnormalities. Tricuspid atresia is a rare and life threatening cyanotic congenital heart diseases, with an incidence of 1% to 3%. It is feature of the anatomically normally related great arteries with a large ventricular septum defect and stenosis of right ventricular outflow tract. Tricuspid atresia has never been reported in patients with Seckel syndrome. Here we report a 15-day-old girl baby diagnosed as having Seckel syndrome with tricuspid atresia.


Assuntos
Nanismo/patologia , Microcefalia/patologia , Atresia Tricúspide/patologia , Nanismo/genética , Nanismo/fisiopatologia , Fácies , Feminino , Humanos , Recém-Nascido , Microcefalia/genética , Microcefalia/fisiopatologia , Atresia Tricúspide/genética , Atresia Tricúspide/fisiopatologia
11.
Bone Marrow Transplant ; 49(8): 1029-35, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-24887379

RESUMO

AML relapse remains the leading cause of transplant failure among Allo-SCT recipients. A single institution study was conducted on 348 patients with AML who received an Allo-SCT from an umbilical cord blood (UCB, 222) or HLA-matched-related (RD, 126) donor between 2000-2011. Relapse after Allo-SCT occurred in 72 UCB and 32 RD transplant recipients. Three patients achieved CR after withdrawal of immune suppression with no further therapy. Fifty-two patients received intensive post-relapse therapy, defined as systemic chemotherapy (22 UCB, 7 RD), second Allo-SCT (nine UCB, two RD), or DLI±systemic chemotherapy (0 UCB, 12 RD); of these, 25% achieved CR (21% UCB vs 35% RD, P=0.16). Survival at 1 year after relapse was 22% for all patients (19% UCB vs 28% RD, P=0.36). In multivariable analysis, post-relapse mortality was lower in patients receiving intensive therapy for relapse (hazard ratio (HR)=0.4; 95% confidence interval (CI) 0.2-0.6, P<0.01) and higher in patients with peripheral blood blasts above the median (HR=3.8; 95% CI 2.2-6.6, P<0.01), active infection (HR=1.9; 95% CI 1.0-3.5, P=0.05) and non-infectious medical complications (HR=2.0; 95% CI 1.2-3.5, P=0.01). In conclusion, patients with AML relapsing after Allo-SCT who were in good-enough clinical condition to receive intensive therapy had superior short-term survival.


Assuntos
Transplante de Células-Tronco de Sangue do Cordão Umbilical , Bases de Dados Factuais , Leucemia Mieloide Aguda/mortalidade , Leucemia Mieloide Aguda/terapia , Doadores não Relacionados , Adolescente , Adulto , Idoso , Aloenxertos , Criança , Pré-Escolar , Intervalo Livre de Doença , Feminino , Teste de Histocompatibilidade , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Recidiva , Taxa de Sobrevida
12.
Leukemia ; 28(3): 658-65, 2014 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-23989431

RESUMO

The efficacy of reduced intensity conditioning (RIC) allogeneic hematopoietic cell transplantation (HCT) for Philadelphia chromosome positive (Ph+) acute lymphoblastic leukemia (ALL) is uncertain. We analyzed 197 adults with Ph+ ALL in first complete remission; 67 patients receiving RIC were matched with 130 receiving myeloablative conditioning (MAC) for age, donor type and HCT year. Over 75% received pre-HCT tyrosine kinase inhibitors (TKIs), mostly imatinib; 39% (RIC) and 49% (MAC) were minimal residual disease (MRD)(neg) pre-HCT. At a median 4.5 years follow-up, 1-year transplant-related mortality (TRM) was lower in RIC (13%) than MAC (36%; P=0.001) while the 3-year relapse rate was 49% in RIC and 28% in MAC (P=0.058). Overall survival (OS) was similar (RIC 39% (95% confidence interval (CI) 27-52) vs 35% (95% CI 27-44); P=0.62). Patients MRD(pos) pre-HCT had higher risk of relapse with RIC vs MAC (hazard ratio (HR) 1.97; P=0.026). However, patients receiving pre-HCT TKI in combination with MRD negativity pre-RIC HCT had superior OS (55%) compared with a similar MRD population after MAC (33%; P=0.0042). In multivariate analysis, RIC lowered TRM (HR 0.6; P=0.057), but absence of pre-HCT TKI (HR 1.88; P=0.018), RIC (HR 1.891; P=0.054) and pre-HCT MRD(pos) (HR 1.6; P=0.070) increased relapse risk. RIC is a valid alternative strategy for Ph+ ALL patients ineligible for MAC and MRD(neg) status is preferred pre-HCT.


Assuntos
Transplante de Medula Óssea , Neoplasia Residual , Cromossomo Filadélfia , Leucemia-Linfoma Linfoblástico de Células Precursoras/cirurgia , Proteínas Tirosina Quinases/antagonistas & inibidores , Indução de Remissão , Taxa de Sobrevida , Condicionamento Pré-Transplante , Adulto , Animais , Feminino , Cobaias , Humanos , Masculino , Pessoa de Meia-Idade , Leucemia-Linfoma Linfoblástico de Células Precursoras/patologia , Transplante Homólogo , Adulto Jovem
13.
Bone Marrow Transplant ; 48(11): 1415-20, 2013 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-23933764

RESUMO

Reduced-intensity conditioning (RIC) allogeneic hematopoietic cell transplantation (allo-HCT) can cure patients with AML in CR. However, relapse after RIC allo-HCT may indicate heterogeneity in the stringency of CR. Strict definition of CR requires no evidence of leukemia by both morphologic and flow cytometric criteria. We re-evaluated 85 AML patients receiving RIC allo-HCT in CR to test if a strict definition of CR had direct implications for the outcome. These patients had leukemia immunophenotype documented at diagnosis and analyzed at allo-HCT. Eight (9.4%) had persistent leukemia by flow cytometric criteria at allo-HCT. The patients with immunophenotypic persistent leukemia had a significantly increased relapse (hazard ratio (HR): 3.7; 95% confidence interval (CI): 1.3-10.3, P=0.01) and decreased survival (HR: 2.9; 95% CI: 1.3-6.4, P<0.01) versus 77 patients in CR by both morphology and flow cytometry. However, the pre-allo-HCT bone marrow (BM) blast count (that is, 0-4%) was not significantly associated with risks of relapse or survival. These data indicate the presence of leukemic cells, but not the BM blast count affects survival. A strict morphologic and clinical lab flow cytometric definition of CR predicts outcomes after RIC allo-HCT, and therefore is critical to achieve at transplantation.


Assuntos
Transplante de Células-Tronco Hematopoéticas/métodos , Leucemia Mieloide Aguda/terapia , Neoplasia Residual/terapia , Condicionamento Pré-Transplante/métodos , Adulto , Idoso , Estudos de Coortes , Feminino , Humanos , Imunofenotipagem , Leucemia Mieloide Aguda/cirurgia , Masculino , Pessoa de Meia-Idade , Neoplasia Residual/cirurgia , Prognóstico , Estudos Retrospectivos , Transplante Homólogo , Resultado do Tratamento , Adulto Jovem
14.
Bone Marrow Transplant ; 47(4): 494-8, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-21602900

RESUMO

Umbilical cord blood (UCB) has increased access to hematopoietic cell transplantation (HCT) for patients without HLA-matched sibling donors (MSD). We compared outcomes of HCT using MSD (N=38) or UCB (N=60) among older patients (age ≥ 55 years) with AML or myelodysplastic syndromes (MDS). All patients received a reduced intensity regimen consisting of CY, fludarabine and 200 cGy TBI. Median age at HCT was 63 years for MSD and 61 years for UCB recipients. Among UCB recipients, 95% received two UCB units and 88% received 1-2 locus HLA-mismatched units to optimize cell dose. OS at 3-years was 37% for MSD and 31% for UCB recipients (P=0.21). On multivariate analysis, donor source (MSD vs UCB) did not impact risks of OS, leukemia-free survival and relapse or treatment-related mortality. UCB is feasible as an alternative donor source for reduced-intensity conditioning HCT among older patients with AML and MDS who do not have a suitable MSD.


Assuntos
Transplante de Células-Tronco de Sangue do Cordão Umbilical , Leucemia Mieloide Aguda/terapia , Síndromes Mielodisplásicas/terapia , Condicionamento Pré-Transplante/métodos , Idoso , Feminino , Teste de Histocompatibilidade , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Irmãos , Doadores de Tecidos , Transplante Homólogo
15.
Bone Marrow Transplant ; 45(1): 21-4, 2010 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-19421171

RESUMO

Aggressive treatment with high-dose i.v. melphalan followed by auto-SCT (HDM/SCT) is effective in inducing hematological and clinical remissions, and in extending survival in AL amyloidosis. Tandem cycles of HDM/SCT have been shown to increase hematologic complete response rates in patients with AL amyloidosis. Between April 1994 and July 2008, 57 patients with AL amyloidosis at the Boston University Medical Center were treated with a second cycle of HDM/SCT after failing to achieve a complete response after a first transplantation. A total of 11 of 57 patients (19%) treated with tandem transplantation developed high fever 12-24 h after melphalan administration. The average peak temperature was 39.1 degrees C. Other clinical features include hypotension, acute renal failure and skin rash. No infectious etiology was identified. One of the patients had serum available for measurement of cytokines before, during and after the febrile reaction. The concentration of several pro-inflammatory cytokines, including IL-6 and TNFalpha, increased significantly, showing a clear physiological response correlating with the clinical findings. We conclude that an unusual cytokine-mediated febrile reaction can occur in patients with AL amyloidosis exposed to a second cycle of high-dose melphalan, which we have termed a 'melphalan recall' reaction.


Assuntos
Amiloidose/terapia , Antineoplásicos Alquilantes/efeitos adversos , Febre/induzido quimicamente , Melfalan/efeitos adversos , Transplante de Células-Tronco , Adulto , Amiloidose/cirurgia , Citocinas/sangue , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Paraproteinemias/fisiopatologia , Condicionamento Pré-Transplante
16.
Bone Marrow Transplant ; 43(9): 685-92, 2009 May.
Artigo em Inglês | MEDLINE | ID: mdl-19011667

RESUMO

Lymphocyte and platelet recovery may influence outcomes of allo-SCT for treatment of AML. It is not clear, however, if this impact is independent of patient and transplant characteristics. To investigate this question, we evaluated the influence of pre- or post transplant factors on day +30 absolute lymphocyte count (ALC) and the speed of platelet engraftment. We studied 106 AML patients treated with fludarabine and melphalan reduced-intensity conditioning and allo-SCT. Twenty nine percent of patients were in CR at the initiation of the conditioning, 39% had active disease with circulating blasts and 32% had active disease without circulating blasts. The graft source was peripheral blood from a matched sibling donor in 55% and BM from a matched unrelated donor in 45%. Our data showed that the presence of circulating blasts before transplantation is significantly correlated with low post-SCT day +30 ALC and slow platelet engraftment. This finding suggests that the impact of early ALC and platelet recovery on transplant outcome may not be independent of disease status at transplantation.


Assuntos
Hematopoese , Transplante de Células-Tronco Hematopoéticas/métodos , Leucemia Mieloide Aguda/patologia , Leucemia Mieloide Aguda/terapia , Células Neoplásicas Circulantes/patologia , Adolescente , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Plaquetas/fisiologia , Feminino , Sobrevivência de Enxerto , Humanos , Cinética , Linfócitos/fisiologia , Masculino , Melfalan/uso terapêutico , Pessoa de Meia-Idade , Condicionamento Pré-Transplante/métodos , Transplante Homólogo , Carga Tumoral , Vidarabina/análogos & derivados , Vidarabina/uso terapêutico
18.
Bone Marrow Transplant ; 38(4): 299-303, 2006 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-16819437

RESUMO

High-dose steroids are the first line of treatment for acute graft-versus-host disease (aGVHD). Steroid myopathy is a debilitating steroid-induced complication that significantly impairs a patient's performance status. To determine the frequency and severity of steroid myopathy and other steroid related complications in patients with acute myeloid leukemia (AML)/myelodysplastic syndrome (MDS) who developed grade >or=2 aGVHD after allogeneic hematopoietic stem cell transplantation (HSCT), we performed a retrospective analysis. Patients were included in the analysis if they had a diagnosis of AML/MDS, underwent an allogeneic HSCT between January 1996 and December 2001 and developed grade >or=2 aGVHD that was treated with 2 mg/kg of methylprednisolone and survived at least 100 days post transplant. A total of 70 patients fulfilled our inclusion criteria. Steroid myopathy was identified in 29 (41%) patients. Steroid myopathy was generally of moderate severity with severe debilitating steroid myopathy seen in only 3% of patients. We concluded that steroid myopathy is a common complication of high-dose steroid therapy after allogeneic HSCT in AML/MDS. Interventions aimed at preventing and treating this complication are warranted and need to be explored in prospective clinical trials.


Assuntos
Doença Enxerto-Hospedeiro/complicações , Doença Enxerto-Hospedeiro/tratamento farmacológico , Doenças Musculares/induzido quimicamente , Esteroides/toxicidade , Doença Aguda , Adulto , Idoso , Feminino , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , Leucemia Mieloide/complicações , Leucemia Mieloide/terapia , Masculino , Metilprednisolona/administração & dosagem , Metilprednisolona/toxicidade , Pessoa de Meia-Idade , Síndromes Mielodisplásicas/complicações , Síndromes Mielodisplásicas/terapia , Estudos Retrospectivos , Esteroides/administração & dosagem
19.
Bone Marrow Transplant ; 35(6): 567-75, 2005 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-15665842

RESUMO

Treatment of patients with AL amyloidosis with high-dose melphalan and autologous peripheral blood stem cells (PBSC) produces hematologic remissions in approximately 40% of evaluable patients, accompanied by improvements in organ disease and quality of life. These patients, who frequently have amyloid deposits in bone marrow blood vessels and interstitium and impaired function of kidneys, liver, spleen, and heart, represent an unusual population for stem cell transplantation, with unique problems. To identify factors influencing engraftment rates after chemotherapy and autologous granulocyte colony-stimulating factor (G-CSF)-mobilized PBSC reinfusion, we studied a group of 225 patients. The median time to neutrophil engraftment was 10 days (range, 8-17 days). In a multivariate analysis, the factors positively affecting the rate of neutrophil engraftment were CD34+ stem cell dose, female gender, and minimal prior alkylator therapy. The median time to platelet engraftment was 13 days (range, 7-52 days). Factors positively affecting platelet engraftment, in addition to CD34+ cell dose, included preserved renal function and the absence of neutropenic fever. The conditioning dose of intravenous melphalan was not found to be an independent predictive factor for hematopoietic recovery. Thus, in this patient population, organ function and host and hematopoietic factors influence engraftment after PBSC rescue.


Assuntos
Amiloidose/terapia , Sobrevivência de Enxerto , Transplante de Células-Tronco de Sangue Periférico/métodos , Valor Preditivo dos Testes , Adulto , Idoso , Idoso de 80 Anos ou mais , Antígenos CD34 , Antineoplásicos Alquilantes , Plaquetas/fisiologia , Feminino , Febre , Humanos , Cinética , Masculino , Melfalan/administração & dosagem , Pessoa de Meia-Idade , Neutrófilos/fisiologia , Modelos de Riscos Proporcionais , Estudos Retrospectivos , Fatores Sexuais , Transplante Autólogo
20.
Ann Oncol ; 15(11): 1622-6, 2004 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-15520062

RESUMO

BACKGROUND: Current understanding of hemostatic systems enables us to better explore the enigmatic pathobiology of tamoxifen (TAM)-induced thrombotic diathesis. We have therefore aimed to assess the hemostatic changes in breast cancer patients receiving TAM on an adjuvant basis. PATIENTS AND METHODS: The study population consisted of 43 female patients with hormone receptor-positive breast cancer who received TAM 20 mg/day as part of their adjuvant treatment. Mean age was 52+/-12 years (range 25-74). Twenty-one patients (49%) were premenopausal. Plasma samples were collected prior to and following 6 months of TAM therapy and were assayed for total tissue factor pathway inhibitor (TFPI), free TFPI, lipid-bound TFPI, thrombomodulin, D dimer, activated protein C resistance (APC res), factors VIIa, II, V, VII and X, and global fibrinolytic capacity (GFC). RESULTS: Median total TFPI decreased significantly from 48.5 ng/ml to 36.2 ng/ml (P=0.001), free TFPI from 10 to 7.6 ng/ml (P=0.001) and lipid-bound TFPI from 39.1 to 28.7 ng/ml (P=0.001). There were significant decreases in the levels of factor II (P=0.03), factor V (P=0.001), factor VII (P=0.06), thrombomodulin (P=0.01) and D dimer (P=0.001). However, APC res times were significantly prolonged (P=0.04). The remaining parameters that we have studied were not significantly affected. CONCLUSION: Our findings suggest that TAM tends to activate the coagulation pathway by counteracting major molecules involved in coagulation inhibition, namely TFPI and TM. As reflected by unchanged GFC, the drug appears to impair the expected compensatory activation of the fibrinolytic system, which removes fibrin polymers resulting from coagulation activation.


Assuntos
Antineoplásicos Hormonais/efeitos adversos , Neoplasias da Mama/tratamento farmacológico , Tamoxifeno/efeitos adversos , Trombofilia/induzido quimicamente , Resistência à Proteína C Ativada/metabolismo , Adulto , Idoso , Antineoplásicos Hormonais/uso terapêutico , Fator V/metabolismo , Fator VII/metabolismo , Fator VIIa/metabolismo , Fator X/metabolismo , Feminino , Produtos de Degradação da Fibrina e do Fibrinogênio/metabolismo , Fibrinólise/efeitos dos fármacos , Humanos , Lipoproteínas/sangue , Menopausa/sangue , Menopausa/efeitos dos fármacos , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Protrombina/metabolismo , Tamoxifeno/uso terapêutico , Trombomodulina/sangue , Fatores de Tempo , Resultado do Tratamento
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