Linking changes in radial profiles of sap flux density with the response of water vapour exchange to water deficit

8 páginas, 5 figuras, 1 tabla, 19 referencias.-- IX International Workshop on Sap Flow, celebrado del 4-7 de junio 2013, en Gante, Bélgica.Knowledge of temporal variations in radial profiles of sap flux density (Js) and its relation to canopy water vapour exchange would help to improve our understanding of plant water relations. In this study we aimed to test if there is a consistent radial profile of Js in olive trees under optimal soil water availability and severe water stress conditions. Furthermore, if the radial profile of Js is not consistent through time we aimed to assess whether this radial variability can be explained through differential water exchange response to evaporative demand (D) of sun-exposed, new foliage and shade, old foliage. We measured sap flux density in the trunk of 6-year-old olive trees under two different irrigation treatments: a full irrigation treatment and a treatment replacing 30% of the of irrigation needs. We related the hourly radial profiles characterized with the Beta probability distribution function with independent water vapour exchange measurements at different exposures in the tree canopy (sun-exposed, young foliage and shade, old foliage). Results showed that under well irrigated conditions the shape of the radial profile of Js hardly varied, but under water deficit situations most of the sap appears to be conducted deeper into the sapwood and Js is also more variable throughout the sapwood. Accordingly, results demonstrated that in shade, old foliage water vapour exchange varied less than in sun-exposed new foliage. As a result, in days under severe water deficit, the contribution of shade old foliage to the whole tree transpiration was greater. Radial profile changes and canopy measurements were found to respond in a similar way to D. During conditions of low D and soil water deficit it was observed a greater contribution of the inner xylem to total stem flow and shade, old leaves to canopy gas exchange.Peer reviewe

Life history of an anticyclonic eddy

19 pages, 11 figures, 1 table, supporting information https://doi.org/10.1029/2004JC002526We use the trajectory of three buoys dragged below the surface mixed layer, together with sea surface temperature imagery, to examine the evolution of an anticyclonic warm-core eddy since its generation by the Canary Islands. Two buoys remain within the eddy during some 100 days, and the third one remains almost 200 days, while drifting southwestward up to 500 km with the mean Canary Current. The eddy merges with several younger anticyclonic and cyclonic eddies, in each occasion, suffering substantial changes. The eddy core, defined as a region with near-solid-body-type rotation and radial convergence, initially occupies the whole eddy. After interacting with another vortex the inner core markedly slows down, although it continues displaying radial convergence and relatively small radial oscillations, and an uncoupled outer ring is formed or enhanced, which revolves even more slowly and displays large radial fluctuations. The vortex extensive life is consistent with its inertially stable character and observations of radial convergence. A very simple model of vortex merging, where cylinders fuse conserving mass and angular momentum, gives fair results. The observations suggest that the eddy changes, as the result of its own slow evolution and sporadic mixing events, from a young stage, where the core retains its vorticity and occupies most of the eddy, through a mature stage, where the eddy has a reduced inner core and a slowly revolving outer ring, to a decay stage, where the vorticity maximum is substantially reducedThis work has been supported by the Spanish government through projects FRENTES (AMB95-0731), COCA (REN2000-1471-C02-02MAR), and BREDDIES (REN2001-2650/ANT) and the special action MAR1999-1489-E and by the European Union through projects CANIGO (MAS3-CT96-0060) and OASIS (EVK3-CT-2002-00073-OASIS)Peer Reviewe

Clinical characteristicas of patients suffering atrial fibrillation and diabetes mellitus. The attitude of the clinical cardiologist

Introducción y objetivos: La coexistencia de la fibrilación auricular y la diabetes mellitus es frecuente. Nuestro objetivo es analizar la manera como los cardiólogos tratamos a los pacientes que padecen ambas enfermedades en 2019. Métodos: Dise ̃namos un registro multicéntrico y prospectivo en el que incluimos todos los pacientes atendidos en consultas externas en los que coexistían ambas entidades. Se recogen parámetros clínicos, electrocardiográficos, ecocardiográficos y analíticos, el tratamiento que venían tomando los pacientes y la actitud terapéutica de los cardiólogos. Resultados: Durante 11 meses incluimos 658 pacientes, 55% mujeres, de 73,8 ± 8,5 a ̃nos de edad. Encontra- mos una elevadísima prevalencia de otros factores de riesgo con diferencias significativas entre géneros. No se utiliza el ácido acetilsalicílico y se anticoagula al 96% de aquellos que lo precisan según las guías. Aquellos que siguen tratados con antivitamina K tienen un tiempo en rango terapéutico de Rosendaal de 59,8 ± 31, pero solo se optimiza el tratamiento en el 57,4% (rango de variabilidad entre cardiólogos 10-93%, p = 0,001) de los que tenían un tiempo en rango terapéutico < 65%. La hemoglobina glucosilada era de 7 ± 1,2, y el 37,5% presentaban cifras de hemoglobina glucosilada ≥ 7. Los cardiólogos optimizaron el tratamiento en el 35,2% de ellos (rango de variabilidad entre cardiólogos 6,3-93%, p = 0,0001). Si esta era ≥ 7,5, se optimizaba en el 46,3% y si era ≥ 9 en el 63,2%. Conclusiones: La coexistencia de fibrilación auricular y diabetes mellitus define una población de ele- vadísimo riesgo cardiovascular. La intervención del cardiólogo en el tratamiento anticoagulante y antidiabético es buena, pero mejorable, y hay gran variabilidad entre profesionales.Introduction and objectives: The coexistence of atrial fibrillation and diabetes mellitus is frequent. Our goal was to analyse how cardiologists treated patients with both pathologies in 2019. Methods: We designed a prospective, multicentre registry in which we included all the patients in whom both pathologies coexisted. Clinical, analytical, electrocardiographic, and echocardiographic parameters were collected. In addition, we collected the treatment that patients had been taking and the attitude of cardiologists. Results: Over 11 months we included 658 patients, 55% women, 73.8 ± 8.5 years. We found an extremely high prevalence of other risk factors with significant differences between genders. Acetylsalicylic acid was not used and 96% of those who required it were anticoagulated according to the guidelines. Those who were treated with aVK had a Rosendaal’s time in therapeutic range of 59.8 ± 31, but treatment was only optimized in 57.4% (range of variability between cardiologists 10%-93%, P = .001) of which < 65% had time in therapeutic range. Glycated haemoglobin was 7.0 ± 1.2, and 37.5% had glycated hemoglobin levels ≥ 7.0. Cardiologists optimized treatment in 35.2% of them (range of variability between cardiologists 6.3%-93%, P = .0001). If it was ≥ 7.5, it was optimized in 46.3% and if it was ≥ 9 in 63.2%. Conclusions: The coexistence of atrial fibrillation and diabetes mellitus defines a population with a very high cardiovascular risk. The intervention of the cardiologist in anticoagulant and antidiabetic treatment is good, but it can be improved, and there is great variability among professionals

Clinical characteristicas of patients suffering atrial fibrillation and diabetes mellitus. The attitude of the clinical cardiologist

[ES] [Resumen] Introducción y objetivos: La coexistencia de la fibrilación auricular y la diabetes mellitus es frecuente. Nuestro objetivo es analizar la manera como los cardiólogos tratamos a los pacientes que padecen ambas enfermedades en 2019. Métodos: Diseñamos un registro multicéntrico y prospectivo en el que incluimos todos los pacientes atendidos en consultas externas en los que coexistían ambas entidades. Se recogen parámetros clínicos, electrocardiográficos, ecocardiográficos y analíticos, el tratamiento que venían tomando los pacientes y la actitud terapéutica de los cardiólogos. Resultados: Durante 11 meses incluimos 658 pacientes, 55% mujeres, de 73,8 ± 8,5 años de edad. Encontramos una elevadísima prevalencia de otros factores de riesgo con diferencias significativas entre géneros. No se utiliza el ácido acetilsalicílico y se anticoagula al 96% de aquellos que lo precisan según las guías. Aquellos que siguen tratados con antivitamina K tienen un tiempo en rango terapéutico de Rosendaal de 59,8 ± 31, pero solo se optimiza el tratamiento en el 57,4% (rango de variabilidad entre cardiólogos 10-93%, p = 0,001) de los que tenían un tiempo en rango terapéutico < 65%. La hemoglobina glucosilada era de 7 ± 1,2, y el 37,5% presentaban cifras de hemoglobina glucosilada ≥ 7. Los cardiólogos optimizaron el tratamiento en el 35,2% de ellos (rango de variabilidad entre cardiólogos 6,3-93%, p = 0,0001). Si esta era ≥ 7,5, se optimizaba en el 46,3% y si era ≥ 9 en el 63,2%. Conclusiones: La coexistencia de fibrilación auricular y diabetes mellitus define una población de elevadísimo riesgo cardiovascular. La intervención del cardiólogo en el tratamiento anticoagulante y antidiabético es buena, pero mejorable, y hay gran variabilidad entre profesionales.[EN] Introduction and objectives: The coexistence of atrial fibrillation and diabetes mellitus is frequent. Our goal was to analyse how cardiologists treated patients with both pathologies in 2019. Methods: We designed a prospective, multicentre registry in which we included all the patients in whom both pathologies coexisted. Clinical, analytical, electrocardiographic, and echocardiographic parameters were collected. In addition, we collected the treatment that patients had been taking and the attitude of cardiologists. Results: Over 11 months we included 658 patients, 55% women, 73.8 ± 8.5 years. We found an extremely high prevalence of other risk factors with significant differences between genders. Acetylsalicylic acid was not used and 96% of those who required it were anticoagulated according to the guidelines. Those who were treated with aVK had a Rosendaal's time in therapeutic range of 59.8 ± 31, but treatment was only optimized in 57.4% (range of variability between cardiologists 10%-93%, P = .001) of which < 65% had time in therapeutic range. Glycated haemoglobin was 7.0 ± 1.2, and 37.5% had glycated hemoglobin levels ≥ 7.0. Cardiologists optimized treatment in 35.2% of them (range of variability between cardiologists 6.3%-93%, P = .0001). If it was ≥ 7.5, it was optimized in 46.3% and if it was ≥ 9 in 63.2%. Conclusions: The coexistence of atrial fibrillation and diabetes mellitus defines a population with a very high cardiovascular risk. The intervention of the cardiologist in anticoagulant and antidiabetic treatment is good, but it can be improved, and there is great variability among professionals.Estudio financiado por la Agencia de Investigación de la Sociedad Española de Cardiología, que recibió una beca no condicionada de Boehringer-Ingelheim-España

Human Rickettsia felis Infection, Canary Islands, Spain

We report the first cases of human infection by Rickettsia felis in the Canary Islands. Antibodies against R. felis were found in 5 adsorbed serum samples from 44 patients with clinically suspected rickettsiosis by Western blot serology. Fleas from 1 patient's dog were positive for R. felis by polymerase chain reaction

New and rare records of teleost fishes from the Cape Verde Islands (eastern-central Atlantic Ocean)

As a result of six exploratory surveys and several opportunistic catches in the Cape Verde Islands from a few metres to about 1000 m of depth, a list of 66 species of teleost fishes is given, six of which are first records from the archipelago: Gnathophis mystax (Congridae), Nezumia africana, Nezumia duodecim (Macrouridae), Ectreposebastes imus (Scorpaenidae), Paraliparis sp. (Liparidae) and Lappanella fasciata (Labridae). Additionally, data on six poorly-known species is also given: Myroconger compressus (Myrocongridae), Myrichthys pardalis, Phaenomonas longissima (Ophichthidae), Sphagemacrurus hirundo (Macrouridae), Gadella imberbis and Physiculus cyanostrophus (Moridae). Data includes distribution, habitat, morphometry and reproduction.Six campagnes exploratoires ainsi que quelques captures opportunistes réalisées de quelques mètres jusqu’à environ 1000 m de profondeur aux îles du Cap-Vert ont permis d’établir une liste comprenant 66 espèces de poissons téléostéens. Six espèces sont signalées pour la première fois aux îles du Cap-Vert : Gnathophis mystax (Congridae), Nezumia africana, Nezumia duodecim (Macrouridae), Ectreposebastes imus (Scorpaenidae), Paraliparis sp. (Liparidae) et Lappanella fasciata (Labridae). La présence de six autres espèces mal connues est confirmée pour cet archipel : Myroconger compressus (Myrocongridae), Myrichthys pardalis, Phaenomonas longissima (Ophichthidae), Sphagemacrurus hirundo (Macrouridae), Gadella imberbis et Physiculus cyanostrophus (Moridae). Les données présentées concernent la distribution, l’habitat, la morphométrie et la reproduction.S

Contribution of Candida biomarkers and DNA detection for the diagnosis of invasive candidiasis in ICU patients with severe abdominal conditions

BACKGROUND: To assess the performance of Candida albicans germ tube antibody (CAGTA), (1 → 3)-ß-D-glucan (BDG), mannan antigen (mannan-Ag), anti-mannan antibodies (mannan-Ab), and Candida DNA for diagnosing invasive candidiasis (IC) in ICU patients with severe abdominal conditions (SAC). METHODS: A prospective study of 233 non-neutropenic patients with SAC on ICU admission and expected stay ≥ 7 days. CAGTA (cutoff positivity ≥ 1/160), BDG (≥80, 100 and 200 pg/mL), mannan-Ag (≥60 pg/mL), mannan-Ab (≥10 UA/mL) were measured twice a week, and Candida DNA only in patients treated with systemic antifungals. IC diagnosis required positivities of two biomarkers in a single sample or positivities of any biomarker in two consecutive samples. Patients were classified as neither colonized nor infected (n = 48), Candida spp. colonization (n = 154) (low-grade, n = 130; high-grade, n = 24), and IC (n = 31) (intra-abdominal candidiasis, n = 20; candidemia, n = 11). RESULTS: The combination of CAGTA and BDG positivities in a single sample or at least one of the two biomarkers positive in two consecutive samples showed 90.3 % (95 % CI 74.2–98.0) sensitivity, 42.1 % (95 % CI 35.2–98.8) specificity, and 96.6 % (95 % CI 90.5–98.8) negative predictive value. BDG positivities in two consecutive samples had 76.7 % (95 % CI 57.7–90.1) sensitivity and 57.2 % (95 % CI 49.9–64.3) specificity. Mannan-Ag, mannan-Ab, and Candida DNA individually or combined showed a low discriminating capacity. CONCLUSIONS: Positive Candida albicans germ tube antibody and (1 → 3)-ß-D-glucan in a single blood sample or (1 → 3)-ß-D-glucan positivity in two consecutive blood samples allowed discriminating invasive candidiasis from Candida spp. colonization in critically ill patients with severe abdominal conditions. These findings may be helpful to tailor empirical antifungal therapy in this patient population

Monitorización del consumo de sustancias de abuso legales e ilegales en España a través de las aguas residuales en el marco de la red ESAR-Net

Trabajo presentado en el 4th Congreso Internacional y XLIX Jornadas Nacionales de Socidrogalcohol - VIII Congreso Nacional Patología Bio-Psicosocial, celebrado en Tenerife del 06 al 08 de octubre de 2022

RARE-Bestpractices: a platform for sharing best practices for the management of rare diseases

No abstract available

RARE-Bestpractices: a platform for sharing best practices for the management of rare diseases

No abstract available