57 research outputs found
Principales componentes químicos y parámetros físicos del queso de Los Pedroches
Se ha determinado la composición química bruta, los principales componentes mmerales y dos parámetros físicos, el pH y la ow, de un lote heterogéneo de 16 quesos de Los Pedroches maduros, elaborados todos eUos por productores diferentes. Los valores medios hallados, que pueden considerarse como representativos de esta variedad de queso, han sido: humedad 34,5 O/o, proteínas 3 1,7 0/o, gras:J 26,7 Ofo, ácido láctico 1,5 0/o y cenizas 6,3 0/o. Sobre la base de la m~tcria seca, el contenido medio en sal es del 4,8 0/o, el de calcio de 1 ,S 0/o y el de fósforo de 1,2 Ofo (relación Ca/1' = 1,27). El valor pll medio es de 5,45 y la aw de 0,90
Estado de degradación proteolítica del queso de Los Pedroches
Las imágenes electroforéticas en gel de poliacrilamida de seis muestras de quesos de los Pedroches maduros, elaborados por diferentes productores, indican que la as-caseína aparece más degradada en todos los quesos que la B-caseína, que apenas es hidrolizada en algunos quesos. La hidrólisis enzimática de la as-caseína (fundamentalmente de la as2- y as3-) origina cuatro productos de escisión de mayor movilidad. La degradación proteolítica de la B-caseína rinde siete fragmentos polipeptídicos de alto peso molecular y baja movilidad electroforética, que se sitúan en la región de la K • y y-caseína. Algunos de estos polipéptidos pueden corresponder a caseínas minoritarias equivalentes a la y-,, TS- y R-caseína eencontradas en qquesos maduros eelaborados con leche de vaca
Solitary waves in the Nonlinear Dirac Equation
In the present work, we consider the existence, stability, and dynamics of
solitary waves in the nonlinear Dirac equation. We start by introducing the
Soler model of self-interacting spinors, and discuss its localized waveforms in
one, two, and three spatial dimensions and the equations they satisfy. We
present the associated explicit solutions in one dimension and numerically
obtain their analogues in higher dimensions. The stability is subsequently
discussed from a theoretical perspective and then complemented with numerical
computations. Finally, the dynamics of the solutions is explored and compared
to its non-relativistic analogue, which is the nonlinear Schr{\"o}dinger
equation. A few special topics are also explored, including the discrete
variant of the nonlinear Dirac equation and its solitary wave properties, as
well as the PT-symmetric variant of the model
Characteristics and Outcome of Acute Heart Failure in Infective Endocarditis: Focus on Cardiogenic Shock
Spanish Collaboration on Endocarditis—Grupo de Apoyo al Manejo de la Endocarditis Infecciosa en España (GAMES).[Background] Studies investigating the impact of cardiogenic shock (CS) on endocarditis are lacking.[Methods] Prospectively collected cohort from 35 Spanish centers (2008-2018). Logistic regression analyses were performed to identify risk factors for developing CS and predictors of mortality.[Results] Among 4856 endocarditis patients, 1652 (34%) had acute heart failure (AHF) and 244 (5%) CS. Compared with patients without AHF and AHF but no CS, patients with CS presented higher rates of surgery (40.5%, 52.5%, and 68%; P < .001) and in-hospital mortality (16.3%, 39.1%, and 52.5%). Compared with patients with septic shock, CS patients presented higher rates of surgery (42.5% vs 68%; P < .001) and lower rates of in-hospital and 1-year mortality (62.3% vs 52.5%, P = .008, and 65.3% vs 57.4%, P = .030). Severe aortic and mitral regurgitation (OR [95% CI], 2.47 [1.82-3.35] and 3.03 [2.26-4.07]; both P < .001), left-ventricle ejection fraction <60% (1.72; 1.22-2.40; P = .002), heart block (2.22; 1.41-3.47; P = .001), tachyarrhythmias (5.07; 3.13-8.19; P < .001), and acute kidney failure (2.29; 1.73-3.03; P < .001) were associated with higher likelihood of developing CS. Prosthetic endocarditis (2.03; 1.06 -3.88; P = .032), Staphylococcus aureus (3.10; 1.16 -8.30; P = .024), tachyarrhythmias (3.09; 1.50-10.13; P = .005), and not performing cardiac surgery (11.40; 4.83-26.90; P < .001) were associated with a higher risk of mortality.[Conclusions] AHF is common among patients with endocarditis. CS is associated with high mortality and should be promptly identified and assessed for cardiac surgery.This work was supported by the Ministerio de Sanidad y Consumo of Spain (grant number FIS NCT00871104; Instituto de Salud Carlos III). Institut d’Investigacions Biomèdiques Pi i Sunyer (IDIBAPS) provided J. M. M. with a persobal IDIBAPS 80:20 research grant during 2017–2021. M. H. M. held a Rio Hortega Research Grant (CM17/00062) from the Instituto de Salud Carlos III” and the Ministerio de Economia y Competitividad, Madrid (Spain) in 2018–2020.Peer reviewe
Contribución al conocimiento de los edafismos de las comarcas interiores de Andalucía Oriental (España)
In this paper we present 21 new records for 16 taxa of peculiar substrates in Eastern Andalusia; these evidences provide several new records for regional and provincial flora.Se presentan 21 citas de 16 taxones propios de substratos peculiares de Andalucía Oriental, estas citas aportan varias novedades florísticas regionales, provinciales y comarcales
Small Bowel Enteroscopy - A Joint Clinical Guideline by the Spanish and Portuguese Small-Bowel Study Groups
The present evidence-based guidelines are focused on the use of device-assisted enteroscopy in the management of small-bowel diseases. A panel of experts selected by the Spanish and Portuguese small-bowel study groups reviewed the available evidence focusing on the main indications of this technique, its role in the management algorithm of each indication, and its diagnostic and therapeutic yield. A set of recommendations was issued accordingly.info:eu-repo/semantics/publishedVersio
Small bowel enteroscopy - A joint clinical guideline from the spanish and portuguese small bowel study groups
The present evidence-based guidelines are focused on the
use of device-assisted enteroscopy in the management of
small-bowel diseases. A panel of experts selected by the
Spanish and Portuguese small bowel study groups reviewed
the available evidence focusing on the main indications of
this technique, its role in the management algorithm of each
indication and on its diagnostic and therapeutic yields. A set
of recommendations were issued accordingly.Estas recomendações baseadas na evidência detalham o
uso da enteroscopia assistida por dispositivo no manejo
clínico das doenças do intestino delgado. Um conjunto de
Gastrenterologistas diferenciados em patologia do intestino delgado foi selecionado pelos grupos de estudos Espanhol e Português de intestino delgado para rever a evidência disponível sobre as principais indicações desta
técnica, o seu papel nos algoritmos de manejo de cada
indicação e sobre o seu rendimento diagnóstico e terapêutico. Foi gerado um conjunto de recomendações pelos autores
Epidemiological trends of HIV/HCV coinfection in Spain, 2015-2019
Altres ajuts: Spanish AIDS Research Network; European Funding for Regional Development (FEDER).Objectives: We assessed the prevalence of anti-hepatitis C virus (HCV) antibodies and active HCV infection (HCV-RNA-positive) in people living with HIV (PLWH) in Spain in 2019 and compared the results with those of four similar studies performed during 2015-2018. Methods: The study was performed in 41 centres. Sample size was estimated for an accuracy of 1%. Patients were selected by random sampling with proportional allocation. Results: The reference population comprised 41 973 PLWH, and the sample size was 1325. HCV serostatus was known in 1316 PLWH (99.3%), of whom 376 (28.6%) were HCV antibody (Ab)-positive (78.7% were prior injection drug users); 29 were HCV-RNA-positive (2.2%). Of the 29 HCV-RNA-positive PLWH, infection was chronic in 24, it was acute/recent in one, and it was of unknown duration in four. Cirrhosis was present in 71 (5.4%) PLWH overall, three (10.3%) HCV-RNA-positive patients and 68 (23.4%) of those who cleared HCV after anti-HCV therapy (p = 0.04). The prevalence of anti-HCV antibodies decreased steadily from 37.7% in 2015 to 28.6% in 2019 (p < 0.001); the prevalence of active HCV infection decreased from 22.1% in 2015 to 2.2% in 2019 (p < 0.001). Uptake of anti-HCV treatment increased from 53.9% in 2015 to 95.0% in 2019 (p < 0.001). Conclusions: In Spain, the prevalence of active HCV infection among PLWH at the end of 2019 was 2.2%, i.e. 90.0% lower than in 2015. Increased exposure to DAAs was probably the main reason for this sharp reduction. Despite the high coverage of treatment with direct-acting antiviral agents, HCV-related cirrhosis remains significant in this population
The Role of Purported Mucoprotectants in Dealing with Irritable Bowel Syndrome, Functional Diarrhea, and Other Chronic Diarrheal Disorders in Adults
Chronic diarrhea is a frequent presenting symptom, both in primary care medicine and in specialized gastroenterology units. It is estimated that more than 5% of the global population suffers from chronic diarrhea. and that about 40% of these subjects are older than 60 years. The clinician is frequently faced with the need to decide which is the best therapeutic approach for these patients. While the origin of chronic diarrhea is diverse, impairment of intestinal barrier function, dysbiosis. and mucosal micro-inflammation are being increasingly recognized as underlying phenomena characterizing a variety of chronic diarrheal diseases. In addition to current pharmacological therapies, there is growing interest in alternative products such as mucoprotectants, which form a mucoadhesive film over the epithelium to reduce and protect against the development of altered intestinal permeability, dysbiosis, and mucosal micro-inflammation. This manuscript focuses on chronic diarrhea in adults, and we will review recent evidence on the ability of these natural compounds to improve symptoms associated with chronic diarrhea and to exert protective effects for the intestinal barrier
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