Risk factors for adverse outcomes following haploidentical hematopoietic cell transplantation with posttransplant cyclophosphamide: a two-center analysis.

Allogeneic hematopoietic cell transplantation (HCT) is a potentially curative therapy for several malignant hematologic diseases and alternative donors, including haploidentical, play a significant role in HCT. Despite the increasing use of haplo-HCT with PTCy, some questions remain open. The objective of the present study was to investigate risk factors for adverse outcomes after haplo-HCT with PTCy. This is a retrospective study conducted at two Brazilian centers. A total of 103 patients with hematologic malignancies who underwent first allogeneic, haploidentical HCT with PTCy were included. Risk factors for death were age at transplant (HR = 1.03 for each year; p = 0.002) and high/very high disease risk index (DRI; HR = 2.77; p = 0.0007) and mother as the donor compared with other donors (HR = 3.53; p = 0.005). In multivariate analysis, PFS was significantly poorer for older patients (HR = 1.02; p = 0.006), high/very high DRI (HR = 2.39; p = 0.003), and mother as the donor compared with other donors (HR = 3.18; p = 0.006). Relapse rate was higher for high/very high DRI (HR = 4.01; p = 0.002) and mother as the donor compared with other donors (HR = 2.52; p = 0.05). NRM was higher for older patients (HR = 1.03 for each year; p = 0.03). Tacrolimus was a protective factor for grades II-IV aGVHD (HR = 0.46; p = 0.04) compared with cyclosporine. Peripheral blood (PBSC) was a risk factor for cGVHD (HR = 3.48; p = 0.006), while tacrolimus was protective (HR = 0.30; p = 0.009). Mother as the donor compared with other donors was also a risk factor for poorer OS, PFS, and relapse, suggesting that this combination should be avoided. Tacrolimus was protective for both grades II-IV aGVHD and cGVHD, suggesting that tacrolimus may be more effective than cyclosporine in preventing GVHD. PBSC was a risk factor for cGVHD without any impact on relapse. Prospective studies comparing tacrolimus with cyclosporine are awaited.

Influence of different PEG/salt aqueous two-phase system on the extraction of 2,3-butanediol.

The production of 2,3-butanediol (2,3-BDO), a dialcohol of great interest for the food, chemical, and pharmaceutical industry, through the fermentation of biomass, is a sustainable process strategic position for countries with abundant biomass generated by the agribusiness. However, the downstream process of 2,3-BDO is onerous due to the complexity of fermentation broth and the physical-chemical characteristics of the 2,3-BDO. This study investigated the feasibility of 2,3-BDO extraction from model aqueous solutions using aqueous two-phase systems (ATPS). A central composite rotational design (CCRD) was employed to evaluate different ATPS compositions and the influences on the 2,3-BDO recovery and partition coefficient. The polyethylene glycol (PEG) and different concentrations of sodium citrate, ammonium sulfate, and potassium phosphate were investigated. The concentration of salt and PEG in the ATPS was identified as the most significant factors influencing the recovery and partition coefficient of 2,3-BDO. The recovery of 2,3-BDO reached 94.5% and was obtained when the system was composed of 36.22% (w/w) of PEG 4000 and 4.47% (w/w) of potassium phosphate. The results indicate that ATPS based on PEG-salt has a high potential for industrial application, using mild conditions and a simple process for recovering and purifying the 2,3-BDO produced from microbiological synthesis.

Types of analysis of validation studies in nursing: scoping review.

OBJECTIVES: To identify and map the types of analysis in nursing validation studies. METHODS: This is a scoping review with collection carried out in July 2020. The following data extraction indicators were considered: year of publication, country of origin, type of study, level of evidence, scientific references for validation and types of analyses. Data were collected in the following bases: U.S. National Library of Medicine, Cumulative Index to Nursing and Allied Health Literature, SCOPUS, COCHRANE, Web of Science, PSYCHINFO, Latin American and Caribbean Literature in Health Sciences, CAPES Theses and Dissertation Portal, Education Resources Information Center, The National Library of Australia's Trobe, Academic Archive Online, DART-Europe E-Theses Portal, Electronic Theses Online Service, Open Access Scientific Repository of Portugal, National ETD Portal, Theses Canada, Theses and dissertations from Latin America. RESULTS: The sample consisted of 881 studies, with a predominance of articles (841; 95.5%), with a prevalence of publications in 2019 (152;17.2%), of Brazilian origin (377; 42.8%), of the methodological study type (352; 39.9%). Polit and Beck stood out as the methodological reference (207; 23.5%) and Cronbach's Alpha (421; 47.8%) as the statistical test. Regarding the type of analysis, the exploratory factor analysis and the content validation index stood out. CONCLUSIONS: The use of at least one method of analysis was evident in more than half of the studies, which implied the need to carry out several statistical tests in order to evaluate the validation of the instrument used and show its reliability.

Types of analysis of validation studies in nursing: scoping review / Tipos de análisis de los estudios de validación de enfermería: scoping review / Tipos de análises dos estudos de validação na enfermagem: scoping review

Objective. To identify and map the types of analysis in nursing validation studies.Methods. This is a scoping review with collection carried out in July 2020. The following data extraction indicators were considered: year of publication, country of origin, type of study, level of evidence, scientific references for validation and types of analyses. Data were collected in the following bases: U.S. National Library of Medicine, Cumulative Index to Nursing and Allied Health Literature, SCOPUS, COCHRANE, Web of Science, PsycInfo, Latin American and Caribbean Literature in Health Sciences, CAPES Theses and Dissertation Portal, Education Resources Information Center, The National Library of Australia's Trobe, Academic Archive Online, DART-Europe E-Theses Portal, Electronic Theses Online Service, Open Access Scientific Repository of Portugal, National ETD Portal, Theses Canada, Theses and dissertations from Latin America. Results. The reviewsample consisted of 881 studies, with a predominance of articles (841; 95.5%), with a prevalence of publications in 2019 (152; 17.2%), of Brazilian origin (377; 42.8%), of the methodological study type (352; 39.9%). Polit and Beck stood out as the methodological reference (207; 23.5%) and Cronbach's Alpha (421; 47.8%) as the statistical test. Regarding the type of analysis, the exploratory factor analysis and the content validation index stood out. Conclusion. The use of at least one method of analysis was evident in more than half of the studies, which implied the need to carry out several statistical tests in order to evaluate the validation of the instrument used and show its reliability.

Objetivo. Identificar y mapear los tipos de análisis de los estudios de validación de enfermería. Métodos. Esta es una revisión de alcance, con recolección realizada en julio de 2020. Se consideraron los siguientes indicadores para la extracción de datos: año de publicación, país de origen, tipo de estudio, nivel de evidencia, referencias científicas para la validación y tipos de análisis. Los datos se recolectaron en las siguientes bases: U.S. National Library of Medicine, Cumulative Index to Nursing and Allied Health Literature, SCOPUS, COCHRANE, Web of Science, PsycInfo, Latin American and Caribbean Literature in Health Sciences, CAPES Theses and Dissertation Portal, Education Resources Information Center, The National Library of Australia's Trobe, Academic Archive Online, DART-Europe E-Theses Portal, Electronic Theses Online Service, Open Access Scientific Repository of Portugal, National ETD Portal, Theses Canada y Tesis y disertaciones de América Latina. Resultados. La muestra la constituyeron 881 estudios, con predominio de artículos (841; 95.5%), con una frecuencia mayor de publicaciones en 2019 (152; 17.2%), de origen brasileño (377; 42.8%), del tipo de estudio metodológico. (352; 39.9%). Polit y Beck se destacaron como referencia metodológica (207; 23.5%) y el Alpha de Cronbach (421; 47.8%) como prueba estadística. En cuanto al tipo de análisis, se destacó el análisis factorial exploratorio y el índice de validación de contenido. Conclusión. En más de la mitad de los estudios fue evidente la utilización de, al menos, un método de análisis, lo que implicó la necesidad de realizar varias pruebas estadísticas con el fin de evaluar la validación del instrumento empleado y mostrar su fiabilidad.

Objetivo. Identificar e mapear os tipos de análises dos estudos de validação em enfermagem. Métodos. Trata-se de uma scoping review, com coleta realizada em julho de 2020. Considerou-se como indicadores de extração de dados: ano de publicação, país de origem, tipo de estudo, nível de evidência, os referenciais científicos para validação e os tipos de análises. Os dados foram coletados nas bases: U.S. National Library of Medicine,Cumulative Index to Nursing and Allied Health Literature, SCOPUS, COCHRANE, Web of Science, PsycInfo,Literatura Latino-Americana e do Caribe em Ciências da Saúde, Portal de Teses e Dissertações da CAPES, Education Resources Information Center, The National Library of Australia's Trobe, Academic Archive Online, DART-Europe E-Theses Portal, Electronic Theses Online Service, Repositório Científico de Acesso Aberto de Portugal, National ETD Portal, Theses Canada, Teses e dissertações da América latina. Resultados. A amostra foi de 881 estudos, com predomínio de artigos (841; 95.5%), com prevalência de publicações em 2019 (152; 17.2%), de origem brasileira (377; 42.8%), do tipo estudo metodológico (352; 39.9%). Sobressaiu-se Polit e Beck como referencial metodológico (207; 23.5%) e Alfa de Cronbach (421; 47.8%) como teste estatístico. Em relação ao tipo de análise destacou-se a análise fatorial exploratória e o índice de validação de conteúdo. Conclusão. Em mais da metade dos estudos ficou evidente a utilização de pelo menos um método de análise, o que implicou a necessidade de realização de diversos testes estatísticos para avaliar a validade do instrumento utilizado e mostrar sua confiabilidade.