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1.
Transplant Cell Ther ; 2024 Jun 06.
Artigo em Inglês | MEDLINE | ID: mdl-38851323

RESUMO

BACKGROUND: Sinusoidal obstruction syndrome/veno-occlusive disease (SOS/VOD) is a life threatening complication after both autologous and allogeneic hematopoietic stem cell transplantation (HSCT). However, its characterization after haploidentical HSCT (haplo-HSCT) with post-transplant cyclophosphamide (PT-Cy) is scarce. OBJECTIVES: To describe characteristics and outcomes of patients with SOS/VOD after haplo-HSCT with PT-Cy. STUDY DESIGN: We conducted a retrospective study of 797 patients undergoing a haplo-HSCT with PT-Cy between 2007 and 2019 in 9 centers in Spain. SOS/VOD was defined according to modified Seattle, Baltimore or revised EBMT criteria. Severity was retrospectively graded according to revised EBMT severity criteria into 4 categories: mild, moderate, severe and very severe. RESULTS: From 797 haplo-HSCT performed, 46 patients (5.77%) were diagnosed from SOS/VOD at a median of 19 days (range 4-84) after transplant. Based on revised EBMT severity criteria, there were 4 mild (8.7%), 10 moderate (21.7%), 12 severe (26.1%) and 20 very severe (43.5%) grade SOS/VOD cases. Overall, 30 patients (65%) achieved SOS/VOD complete response, 25 (83%) of whom were treated with defibrotide. Twenty patients (43%) died before day 100 after HSCT. Death was attributed to SOS/VOD in 11 patients, and 5 patients died of other causes without resolution of SOS/VOD. CONCLUSIONS: Incidence of SOS/VOD after haplo-HSCT with PT-Cy was comparable to those reported after HLA-identical HSCT series. Most of the patients developed very severe SOS/VOD according to revised EBMT severity criteria. In spite of a promising SOS/VOD CR rate (65%), 100-day mortality remained high (43%), indicating that further improvement in the management of this potentially fatal complication is needed.

2.
4.
J Nutr Health Aging ; 27(11): 1127-1131, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37997735

RESUMO

Anorexia of aging and biological aging might share physiological underpinnings. The aim of this secondary analysis was to investigate the associations between circulating inflammation-related markers and anorexia of aging in community-dwelling older adults. C-reactive protein (CRP), tumor necrosis factor receptor-1 (TNFR-1), interleukin-6 (IL-6), monocyte chemoattractant protein-1 (MCP-1) and growth/differentiation factor-15 (GDF-15) were measured in plasma. Anorexia of aging was defined by the response "severe/moderate decrease in food intake" to the first item of the Mini-Nutritional Assessment. We included 463 subjects (median age=74y, IQR=71-78; 63.1% women). 33 subjects (7.1%) presented with anorexia at baseline, whereas 25 out of 363 (6.9%) developed it along 1-year follow-up. We found that TNFR1 (OR=1.74, 95%CI=1.27-2.39) and GDF-15 (OR=1.38, 95%CI=1.01-1.89) were associated with a significant increase in the odds of presenting with anorexia of aging cross-sectionally. No further significant associations were found. Biological aging mechanisms might be involved in the pathogenesis of anorexia of aging.


Assuntos
Anorexia , Vida Independente , Humanos , Feminino , Idoso , Masculino , Fator 15 de Diferenciação de Crescimento , Envelhecimento/fisiologia , Biomarcadores
5.
ACS Omega ; 8(33): 30563-30568, 2023 Aug 22.
Artigo em Inglês | MEDLINE | ID: mdl-37636981

RESUMO

In this work, we report the structural analysis of Cu+ and Cu2+ ions in zeolite as a nanoreactor with antibacterial applications. A simple one-step process was implemented to obtain Cu ions in zeolite A (ZA4) by controlling the temperature in the solutions to guarantee the ions' stability. Samples were characterized by scanning electron microscopy, energy-dispersive X-ray spectroscopy, and Fourier transform infrared (FT-IR) spectroscopy, showing the characteristic zeolite elements as well as the characteristic bands with slight modifications in the chemical environment of the zeolite nanoreactor attributed to Cu ions by FT-IR spectroscopy. In addition, a shift of the characteristic peaks of ZA4 in X-ray diffraction was observed as well as a decrease in relative peak intensity. On the other hand, the antibacterial activity of Cu ions in the zeolite nanoreactor was evaluated.

6.
Phys Rev Lett ; 130(13): 132501, 2023 Mar 31.
Artigo em Inglês | MEDLINE | ID: mdl-37067321

RESUMO

Experimental studies of nuclear fission induced by fusion, transfer, spallation, fragmentation, and electromagnetic reactions in combination with state-of-the-art calculations are successful to investigate the nuclear dissipation mechanism in normal nuclear matter, containing only nucleons. The dissipation mechanism has been widely studied by the use of many different fission observables and nowadays the dissipation coefficients involved in transport theories are well constrained. However, the existence of hypernuclei and the possible presence of hyperons in neutron stars make it necessary to extend the investigation of the nuclear dissipation coefficient to the strangeness sector. In this Letter, we use fission reactions of hypernuclei to constrain for the first time the dissipation coefficient in hypernuclear matter, observing that this coefficient increases a factor of 6 in the presence of a single Λ hyperon with respect to normal nuclear matter.

8.
Artigo em Inglês | MEDLINE | ID: mdl-35871142

RESUMO

INTRODUCTION: Obstructive Sleep Apnea Syndrome (OSAS) or Apnea-Hypoapnea Syndrome (SAHS) is one of the most prevalent sleep disorders in the general population. It is associated with an increase in the prevalence of difficult orotracheal intubation and postoperative complications. The application of validated early detection tests, such the STOPbang test in English (STBC), is recommended; a test of high methodological quality, sensitivity and specificity in the early detection of SAHS in both surgical and general populations. OBJECTIVE: The validation, translation, cross-cultural adaptation of the STBC to the Spanish population. MATERIAL AND METHODS: The transcultural adaptation of the STBC to Spanish was carried out and a subsequent validation study with 77 consecutive patients was carried out. The statistical analysis evaluated the reliability, validity and feasibility of the translated and culturally adapted version. RESULTS: 44% of women and 56% of men were included, with a mean age of 53.58 ± 12.88 years. The reliability results were: a Cronbach's Alpha Coefficient of 0.767, a Pearson correlation r = 0.777 (P < .001) and a Sperman correlation rho = 0.455 (P = .044). The feasibility of the study was 100%. Criterion validity was evaluated using the Kappa coefficient, which was 0.444. For a score >3 of the questionnaire adapted to Spanish, the results of sensitivity, specificity according to the different cut-off levels of the apnea hypopnea index (AHI) >5, >15, >30) were: Sensitivity 87%, 91% and 100% respectively and Specificity of 50%, 31% and 22%. CONCLUSIONS: The STBC questionnaire translated, adapted and validated into Spanish, evaluated in the present study, is reliable and valid with respect to the original design of the questionnaire. It is a useful tool that is easy to understand and implement, which can be used rigorously to stratify surgical risk and carry out adequate perioperative planning of those patients at risk of SAHS.


Assuntos
Síndromes da Apneia do Sono , Apneia Obstrutiva do Sono , Adulto , Idoso , Comparação Transcultural , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Polissonografia/métodos , Reprodutibilidade dos Testes , Síndromes da Apneia do Sono/diagnóstico , Apneia Obstrutiva do Sono/diagnóstico , Inquéritos e Questionários
9.
J Nutr Health Aging ; 26(6): 564-570, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35718864

RESUMO

OBJECTIVES: Apelin and GDF-15 have been proposed as biomarkers of age-related sarcopenia but evidence in human models is scarce. This study aimed to explore the associations between blood apelin and GDF-15 with sarcopenia incidence and the evolution of sarcopenia components over two years in older adults >70 years. DESIGN: Secondary longitudinal analysis of the Multidomain Alzheimer Preventive Trial. PARTICIPANTS: Older adults (>70 years) attending primary care centers in France and Monaco. SETTING: Community. MEASUREMENTS: Serum Apelin (pg/mL) and plasma GDF-15 (pg/mL) were measured. Outcomes included sarcopenia defined by the European Working Group on Sarcopenia in Older People (EWGSOP) and its determinants (appendicular lean mass [ALM] evaluated through a Dual-energy X-ray Absorptiometry (DXA) scan, handgrip strength (HGS) and the 4-meter gait speed) measured over 2 years. Linear mixed models and logistic regression were used to explore the longitudinal associations. RESULTS: We included 168 subjects from MAPT (median age=76y, IQR=73-79; 78% women). Serum apelin was not significantly associated with sarcopenia incidence (OR=1.001;95%CI=1.000,1.001;p-value>0.05 in full-adjusted models) nor with ALM (ß=-5.8E-05;95%CI=-1.0E-04,2.12E-04;p>0.05), HGS (ß=-1.1E-04;95%CI=-5.0E-04,2.8E-04;p>0.05), and GS (ß=-5.1E-06;95%CI=-1.0E-05,2.0E-05;p>0.05) in fully adjusted models. Similarly, plasma GDF-15 was not associated with both the incidence of sarcopenia (OR=1.001,95%CI=1.000,1.002,p>0.05) and the evolution of its determinants ([ALM, ß=2.1E-05;95%CI=-2.6E-04,3.03E-04;p>0.05], HGS [ß=-5.9E-04;95%CI=-1.26E-03,8.1E-05; p>0.05] nor GS [ß=-2.6E-06;95%CI=-3.0E-05, 2.3E-05;p>0.05]) in fully adjusted models. CONCLUSIONS: Blood apelin and GDF-15 were not associated with sarcopenia incidence or with the evolution of sarcopenia components over a 2-year follow-up in community-dwelling older adults. Well-powered longitudinal studies are needed to confirm or refute our findings.


Assuntos
Doença de Alzheimer , Sarcopenia , Absorciometria de Fóton , Idoso , Apelina , Ensaios Clínicos como Assunto , Feminino , Fator 15 de Diferenciação de Crescimento , Força da Mão , Humanos , Masculino , Sarcopenia/diagnóstico , Sarcopenia/epidemiologia
10.
J Med Vasc ; 45(6): 316-325, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33248534

RESUMO

OBJECTIVE: To document the efficacy of a combined therapeutic strategy in achieving rapid wound healing in patients with long-standing ulcers. MATERIALS AND METHODS: Outpatients with hard-to-heal venous leg ulcers were included in an interventional, prospective, single-arm, mono-centre study and treated with autologous punch grafting, TLC-NOSF dressing and multi-type compression therapy. The primary outcome was the percentage of healed wounds by week 12. Secondary outcomes included time-to-reach wound closure, wound area reduction, treatment acceptability and safety. RESULTS: From November 2018 to October 2019, 42 patients with 51 ulcers were included (23 males, 70.6±40.8 years old, with multiple comorbidities). Despite poor wound healing prognosis at baseline (47% of recurrent ulcers, with a mean duration of 15 months and a mean area of 12.6cm2), wound healing was achieved in 47 ulcers (92%) after a mean period of treatment of 25±13 days. A relative wound area reduction>75% was also reached in three additional ulcers by the last evaluation visit. No adverse event related to the procedure was reported throughout the study period. The associated treatment were very well tolerated and accepted by the patients. CONCLUSIONS: The evaluated procedure induced fast re-epithelisation of the treated ulcers. Based on our experience, this simple and successful reparative strategy may be considered as an interesting option in the treatment of venous leg ulcers of poor prognosis.


Assuntos
Bandagens , Bandagens Compressivas , Transplante de Pele , Úlcera Varicosa/terapia , Técnicas de Fechamento de Ferimentos , Cicatrização , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Estudos Prospectivos , Recidiva , Fatores de Tempo , Transplante Autólogo , Resultado do Tratamento , Úlcera Varicosa/diagnóstico , Úlcera Varicosa/fisiopatologia
11.
Sci Total Environ ; 736: 139681, 2020 Sep 20.
Artigo em Inglês | MEDLINE | ID: mdl-32479960

RESUMO

As far as the authors know, no in-depth comparison has been made between the different performances of the solar photo-Fenton process for the removal of contaminants of emerging concern (CECs) as a function of pH. To this end, real WWTP secondary effluents were treated in continuous flow mode at pilot plant scale. The effect of hydraulic residence time (HRT), liquid depth and percentage of CEC removal on treatment capacity was studied. At acidic pH (2.8), the iron source was FeSO4 and at neutral pH (7.0), it was Fe(III)-EDDS. At both pH values, 2250 L m-2 d-1 can be treated in 15-cm deep raceway pond reactors at 30 min HRT with 0.1 mM iron and 0.88 mM H2O2 in order to achieve 80% CEC removal. Treatment costs were 0.25 € m-3 and 0.56 € m-3 at acidic and neutral pH, respectively. This study paves the way for the solar photo-Fenton process to be employed on a commercial scale.

12.
Phys Rev Lett ; 124(20): 202502, 2020 May 22.
Artigo em Inglês | MEDLINE | ID: mdl-32501052

RESUMO

Taking benefit of the R3B/SOFIA setup to measure the mass and the nuclear charge of both fission fragments in coincidence with the total prompt-neutron multiplicity, the scission configurations are inferred along the thorium chain, from the asymmetric fission in the heavier isotopes to the symmetric fission in the neutron-deficient thorium. Against all expectations, the symmetric scission in the light thorium isotopes shows a compact configuration, which is in total contrast to what is known in the fission of the heavier thorium isotopes and heavier actinides. This new main symmetric scission mode is characterized by a significant drop in deformation energy of the fission fragments of about 19 MeV, compared to the well-known symmetric scission in the uranium-plutonium region.

13.
Rev Neurol ; 70(8): 271-281, 2020 Apr 16.
Artigo em Espanhol | MEDLINE | ID: mdl-32242333

RESUMO

INTRODUCTION: The main objective of cognitive stimulation therapies is to promote the plasticity and learning ability that the individual is still in possession of in old age and to delay the clinical manifestations of neurodegenerative processes such as Alzheimer-type dementia. There are variables that can mediate the benefits of the intervention, such as the cognitive reserve. AIM: To determine whether there is an interaction between the level of reserve and cognitive stimulation, and if it influences the cognitive performance of subjects with Alzheimer-type dementia. PATIENTS AND METHODS: Twenty subjects (age: 66-89) with Alzheimer-type dementia who attend a day centre participated in the study. A pretest-posttest controlled design was used. The pilot group took part in the intervention for six months. Patients were classified into two levels of cognitive reserve (high and low) and then a broad neuropsychological battery was applied to perform a comprehensive analysis of cognition. Pre- and post-intervention differences were analysed through a two-factor ANOVA, one with repeated measures (pre- and post-intervention scores) and another with independent measures (level of cognitive reserve). RESULTS: Interaction was found in the scores on the picture arrangement subtests (WAIS-III), failure to maintain the category and the percentage of errors in the Wisconsin Card Sorting Test. CONCLUSIONS: The positive effect of the interaction on the executive function has been observed, specifically in the capacities for planning and sequencing, perceptual organisation, response inhibition, logical reasoning and mental flexibility.


TITLE: Análisis exploratorio de la influencia de la reserva cognitiva sobre el beneficio de la terapia de estimulación cognitiva en pacientes con enfermedad de Alzheimer esporádica de inicio tardío.Introducción. El objetivo principal de las terapias de estimulación cognitiva consiste en promover la plasticidad y la capacidad de aprendizaje que aún se poseen en la vejez y retrasar las manifestaciones clínicas de procesos neurodegenerativos como la demencia tipo Alzheimer. Variables como la reserva cognitiva pueden mediar en los beneficios de la intervención. Objetivo. Conocer si existe interacción entre el nivel de reserva y la estimulación cognitiva, y si influye en el rendimiento cognitivo de sujetos con demencia tipo Alzheimer. Pacientes y métodos. Participaron 20 sujetos (edad: 66-89 años) con demencia tipo Alzheimer, usuarios de un centro de día. Se utilizó un diseño pretest-postest controlado. El grupo experimental participó en la intervención durante seis meses. Se clasificó a los pacientes en dos niveles de reserva cognitiva (alta y baja) y posteriormente se aplicó una amplia batería neuropsicológica para un análisis exhaustivo de la cognición. Se analizaron las diferencias pre y postintervención a través de un ANOVA de dos factores, uno de medidas repetidas (puntuaciones pre y postintervención) y otro de medidas independientes (nivel de reserva cognitiva). Resultados. En las puntuaciones de los subtests de historietas (WAIS-III), fracasos para mantener la categoría y porcentaje de errores del test de clasificación de tarjetas de Wisconsin se encontró interacción. Conclusiones. Se ha podido observar el efecto positivo de la interacción en la función ejecutiva, concretamente en las capacidades de planificación y secuenciación, organización perceptiva, inhibición de respuesta, razonamiento lógico y flexibilidad mental.


Assuntos
Doença de Alzheimer/psicologia , Doença de Alzheimer/terapia , Terapia Cognitivo-Comportamental , Reserva Cognitiva , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino
14.
J Environ Manage ; 261: 110265, 2020 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-32148322

RESUMO

For the first time, the operational feasibility of the solar photo-Fenton process at neutral pH in continuous flow has been tested for three consecutive days. The aim of the treatment was to remove of contaminants of emerging concern (CECs) from wastewater treatment plant secondary effluents. To this end, a 5 cm-deep raceway pond reactor was run in continuous flow mode and the degradation of the CECs present in real secondary effluents was monitored at their natural concentrations. To keep dissolved iron at neutral pH, ethylenediamine-N,N'-disuccinic acid (EDDS) was used to form the complex Fe(III):EDDS as an iron source for the photo-Fenton reactions. At pilot scale the effects of the Fe(III):EDDS molar ratio (1:1 and 1:2) and hydraulic residence time (HRT) (20 and 40 min) on CEC removal were studied. The best operating condition was 20 min of HRT, giving rise to a treatment capacity of 900 L m-2 d-1 with CEC removal percentages of around 60%. The reactant concentrations were 0.1 mM Fe(III):EDDS at a 1:1 M ratio and 0.88 mM H2O2. Under these operating conditions, the short-term stability of the process was also demonstrated, thus pointing out the potential of this solar technology as a tertiary treatment.


Assuntos
Peróxido de Hidrogênio , Poluentes Químicos da Água , Compostos Férricos , Concentração de Íons de Hidrogênio , Oxirredução , Luz Solar , Águas Residuárias
15.
Phys Rev Lett ; 124(2): 022501, 2020 Jan 17.
Artigo em Inglês | MEDLINE | ID: mdl-32004026

RESUMO

Spectroscopic factors of neutron-hole and proton-hole states in ^{131}Sn and ^{131}In, respectively, were measured using one-nucleon removal reactions from doubly magic ^{132}Sn at relativistic energies. For ^{131}In, a 2910(50)-keV γ ray was observed for the first time and tentatively assigned to a decay from a 5/2^{-} state at 3275(50) keV to the known 1/2^{-} level at 365 keV. The spectroscopic factors determined for this new excited state and three other single-hole states provide first evidence for a strong fragmentation of single-hole strength in ^{131}Sn and ^{131}In. The experimental results are compared to theoretical calculations based on the relativistic particle-vibration coupling model and to experimental information for single-hole states in the stable doubly magic nucleus ^{208}Pb.

18.
Phys Rev Lett ; 122(16): 162503, 2019 Apr 26.
Artigo em Inglês | MEDLINE | ID: mdl-31075035

RESUMO

Fifty-five inclusive single nucleon-removal cross sections from medium mass neutron-rich nuclei impinging on a hydrogen target at ∼250 MeV/nucleon are measured at the RIKEN Radioactive Isotope Beam Factory. Systematically higher cross sections are found for proton removal from nuclei with an even number of protons as compared to odd-proton number projectiles for a given neutron separation energy. Neutron removal cross sections display no even-odd splitting, contrary to nuclear cascade model predictions. Both effects are understood through simple considerations of neutron separation energies and bound state level densities originating in pairing correlations in the daughter nuclei. These conclusions are supported by comparison with semimicroscopic model predictions, highlighting the enhanced role of low-lying level densities in nucleon-removal cross sections from loosely bound nuclei.

19.
Nature ; 554(7693): 497-499, 2018 02 21.
Artigo em Inglês | MEDLINE | ID: mdl-29469097

RESUMO

It is difficult to establish the properties of massive stars that explode as supernovae. The electromagnetic emission during the first minutes to hours after the emergence of the shock from the stellar surface conveys important information about the final evolution and structure of the exploding star. However, the unpredictable nature of supernova events hinders the detection of this brief initial phase. Here we report the serendipitous discovery of a newly born, normal type IIb supernova (SN 2016gkg), which reveals a rapid brightening at optical wavelengths of about 40 magnitudes per day. The very frequent sampling of the observations allowed us to study in detail the outermost structure of the progenitor of the supernova and the physics of the emergence of the shock. We develop hydrodynamical models of the explosion that naturally account for the complete evolution of the supernova over distinct phases regulated by different physical processes. This result suggests that it is appropriate to decouple the treatment of the shock propagation from the unknown mechanism that triggers the explosion.

20.
Rev Esp Anestesiol Reanim (Engl Ed) ; 65(4): 229-233, 2018 Apr.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-29242030

RESUMO

Retropharyngeal haematoma is a life-threatening clinical situation that can lead to a potential obstruction of the upper airway and requires rapid diagnosis. Clinicaly, it can be presented in different ways, depending on its size and growing speed. The first measure is to protect and manage the airway: in most cases this is a difficult airway situation. A retropharyngeal haematoma can be formed due to a previous traumatic history, with or without associated cervical fracture. Treatment of the haematoma is conservative in most cases, with close monitoring until it is reabsorbed in 3-4 weeks, although they can sometimes require surgical evacuation. We present the case of a patient who developed a large retropharyngeal haematoma after minor cervical trauma and describe an approach of the airway using the Airtraq® disposable optical laryngoscope.


Assuntos
Manuseio das Vias Aéreas/instrumentação , Hematoma/terapia , Laringoscópios , Doenças Faríngeas/terapia , Acidentes por Quedas , Idoso de 80 Anos ou mais , Manuseio das Vias Aéreas/métodos , Braquetes , Vértebras Cervicais/lesões , Sedação Consciente , Tratamento Conservador , Transtornos de Deglutição/etiologia , Diagnóstico Tardio , Dispneia/etiologia , Traumatismos Faciais/complicações , Hematoma/diagnóstico por imagem , Hematoma/etiologia , Humanos , Intubação Gastrointestinal , Masculino , Lesões do Pescoço/complicações , Doenças Faríngeas/diagnóstico por imagem , Doenças Faríngeas/etiologia , Fraturas da Coluna Vertebral/etiologia
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