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1.
Rev Esp Quimioter ; 37(1): 58-68, 2024 Feb.
Artículo en Español | MEDLINE | ID: mdl-38116940

RESUMEN

OBJECTIVE: The COVID-19 pandemic has caused a variation in the circulation of respiratory pathogens. Our aim was to analyze the epidemiology of severe acute respiratory infections (SARI) in children during 3 years of the COVID-19 pandemic, in comparison with a previous period. METHODS: An observational study was conducted in a tertiary hospital in Spain, which analyzed the frequency and characteristics of patients admitted for SARI in the Pediatric Intensive Care Unit (PICU) during the COVID-19 pandemic (1 March 2020 to 28 February 2023), compared to pre-pandemic period (1 March 2017 to 29 February 2020). RESULTS: A total of 268 patients were included (59.6% males). The median age was 9.6 months (IQR 1.7 - 37). In the pre-pandemic period, there were 126 admissions with an average of 42 admissions/year. During the pandemic, there were 142 admissions, observing a significant reduction in admissions in the first year (12 admissions/year), in contrast to 82 admissions during the third year, which represented an increase of 95% compared to the average of admissions/year in pre-pandemic. In addition, in the last year there was evidence of an increase in viral coinfections in relation to pre-pandemic period (54.9% vs 39.7%; p=0.032). There were no differences in length of hospital stay or PICU stay. CONCLUSIONS: During the last year, coinciding with low rates of hospitalization for COVID in Spain, we observed a notable increase in admissions to the PICU for SARI. Probably, the prolonged period of low exposure to pathogens due to the measures adopted during the pandemic might have caused a decrease in population immunity with a rise in severe respiratory infections.


Asunto(s)
COVID-19 , Infecciones del Sistema Respiratorio , Niño , Masculino , Humanos , Lactante , Femenino , COVID-19/epidemiología , Pandemias , Hospitalización , Tiempo de Internación , Infecciones del Sistema Respiratorio/epidemiología , Estudios Retrospectivos
3.
Rev Neurol ; 75(8): 239-245, 2022 10 16.
Artículo en Inglés, Español | MEDLINE | ID: mdl-36218254

RESUMEN

INTRODUCTION: Bacillus cereus is a ubiquitous pathogen that usually produces self-limiting gastrointestinal symptoms. However, in susceptible patients, it can lead to central nervous system infections which are potentially fatal. DEVELOPMENT: We present the case of a 10-year-old male under chemotherapy treatment for acute lymphoblastic leukemia. During the induction period he developed a brain abscess due to B. cereus which was diagnosed through imaging tests and direct detection in the cerebrospinal fluid. His evolution was favorable with antibiotic treatment. CONCLUSIONS: So far, 26 other cases of central nervous system infections due to B. cereus have been described in literature, and besides being infrequent, they are a diagnostic challenge. However, in preterm infants, patients with hematological malignancies or central nervous system surgery, early suspicion should be established to start an appropriate antibiotic treatment and improve prognosis.


TITLE: Infección del sistema nervioso central por Bacillus cereus: descripción de un caso y revisión de la bibliografía.Introducción. Bacillus cereus es un patógeno ubicuo que, habitualmente, produce síntomas gastrointestinales autolimitados. Sin embargo, en pacientes susceptibles, puede dar lugar a infecciones del sistema nervioso central potencialmente mortales. Desarrollo. Presentamos el caso de un varón de 10 años en tratamiento quimioterápico por leucemia linfoblástica aguda. Durante el período de inducción desarrolló un absceso cerebral por B. cereus que fue diagnosticado mediante pruebas de imagen y detección directa en el líquido cefalorraquídeo. Su evolución fue favorable con tratamiento antibiótico. Conclusiones. Hasta ahora se han descrito en la bibliografía otros 26 casos de infección del sistema nervioso central por B. cereus, que, además de ser infrecuentes, suponen un reto diagnóstico. Sin embargo, en los recién nacidos prematuros, en pacientes con neoplasias hematológicas o con antecedentes de cirugía del sistema nervioso central, debe establecerse una sospecha temprana para iniciar un tratamiento antibiótico adecuado que mejore el pronóstico.


Asunto(s)
Absceso Encefálico , Leucemia-Linfoma Linfoblástico de Células Precursoras , Antibacterianos/uso terapéutico , Bacillus cereus , Absceso Encefálico/diagnóstico por imagen , Absceso Encefálico/tratamiento farmacológico , Niño , Humanos , Recien Nacido Prematuro , Masculino , Leucemia-Linfoma Linfoblástico de Células Precursoras/complicaciones , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamiento farmacológico
4.
Rev Esp Quimioter ; 35 Suppl 3: 97-101, 2022 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-36285868

RESUMEN

The Clostridioides difficile Infection (CDI) treatment guidelines were published in 2021; however, the incorporation of these recommendations into clinical practice was rather irregular and inconsistent. The differences in the implementation of these new guidelines were due, in part, to the variety in the different professionals who provided patient care, as well as to the issues involved in either their accessibility or availability or both. The main requirements for implementation include appropriate reflection on patient stratification, drug positioning, accessibility to drugs, as well as the organization of structured clinical pathways that can facilitate the functionality and evaluation of the management of CDI.


Asunto(s)
Clostridioides difficile , Infecciones por Clostridium , Humanos , Infecciones por Clostridium/tratamiento farmacológico
5.
Rev. neurol. (Ed. impr.) ; 75(8): 239-245, Oct 16, 2022. ilus, tab
Artículo en Inglés, Español | IBECS | ID: ibc-211691

RESUMEN

Introducción: Bacillus cereus es un patógeno ubicuo que, habitualmente, produce síntomas gastrointestinales autolimitados. Sin embargo, en pacientes susceptibles, puede dar lugar a infecciones del sistema nervioso central potencialmente mortales. Desarrollo: Presentamos el caso de un varón de 10 años en tratamiento quimioterápico por leucemia linfoblástica aguda. Durante el período de inducción desarrolló un absceso cerebral por B. cereus que fue diagnosticado mediante pruebas de imagen y detección directa en el líquido cefalorraquídeo. Su evolución fue favorable con tratamiento antibiótico. Conclusiones: Hasta ahora se han descrito en la bibliografía otros 26 casos de infección del sistema nervioso central por B. cereus, que, además de ser infrecuentes, suponen un reto diagnóstico. Sin embargo, en los recién nacidos prematuros, en pacientes con neoplasias hematológicas o con antecedentes de cirugía del sistema nervioso central, debe establecerse una sospecha temprana para iniciar un tratamiento antibiótico adecuado que mejore el pronóstico.(AU)


Introduction: Bacillus cereus is a ubiquitous pathogen that usually produces self-limiting gastrointestinal symptoms. However, in susceptible patients, it can lead to central nervous system infections which are potentially fatal. Development: We present the case of a 10-year-old male under chemotherapy treatment for acute lymphoblastic leukemia. During the induction period he developed a brain abscess due to B. cereus which was diagnosed through imaging tests and direct detection in the cerebrospinal fluid. His evolution was favorable with antibiotic treatment. Conclusions: So far, 26 other cases of central nervous system infections due to B. cereus have been described in literature, and besides being infrequent, they are a diagnostic challenge. However, in preterm infants, patients with hematological malignancies or central nervous system surgery, early suspicion should be established to start an appropriate antibiotic treatment and improve prognosis.(AU)


Asunto(s)
Humanos , Masculino , Niño , Pacientes Internos , Examen Físico , Sistema Nervioso Central , Bacillus cereus , Infecciones , Absceso , Neoplasias Hematológicas , Leucemia-Linfoma Linfoblástico de Células Precursoras , Neurología , Enfermedades del Sistema Nervioso , Cuidados Críticos
6.
Malays J Pathol ; 44(1): 83-92, 2022 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-35484890

RESUMEN

INTRODUCTION: Data on pathological changes in COVID-19 are scarce. The aim of this study was to describe the histopathological and virological findings of postmortem biopsies, and the existing clinical correlations, in people who died of COVID-19. MATERIALS AND METHODS: We performed postmortem needle core biopsies of the chest in 11 people who died of COVID-19 pneumonia. Tissue examination was done by light microscopy and real-time polymerase chain reaction (RTPCR). RESULTS: The age of the patients were between 61 to 94 years. Of the 11 postmortem chest biopsies, lung tissue was obtained in 8, myocardium tissue in 7, and liver tissue in 5. Histologically of lung, the main findings pertaining to the lung were diffuse alveolar damage in proliferative phase (n = 4, 50%), diffuse alveolar damage in exudative and proliferative phase (n = 3, 37.5%), diffuse alveolar damage in exudative (n=1; 12.5%) and acute pneumonia (n = 2, 25%). Necrotising pneumonia, acute fibrinous and organising pneumonia, and neutrophils were detected in one sample each (12.5%). Another case presented myocarditis. RT-PCR showed RNA of SARS-CoV-2 in 7 of the 8 lung samples (87.5%), 2 of the 7 myocardial tissue samples (28.6%), and 1 of the 5 liver tissue samples (20%). CONCLUSION: The postmortem examinations show diffuse alveolar damage, as well as acute or necrotising pneumonia. RT-PCR of SARS-CoV-2 was positive in most lung samples.


Asunto(s)
COVID-19 , Neumonía Necrotizante , Neumonía , Anciano , Anciano de 80 o más Años , Biopsia con Aguja , Humanos , Hígado/patología , Pulmón/patología , Persona de Mediana Edad , Neumonía/patología , Neumonía Necrotizante/patología , SARS-CoV-2
8.
Front Pharmacol ; 12: 682890, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34803665

RESUMEN

Aims: To describe and compare the adherence to different direct oral anticoagulants (DOACs) in eight European databases representing six countries. Methods: Longitudinal drug utilization study of new users (≥18 years) of DOACs (dabigatran, rivaroxaban, apixaban) with a diagnosis of non-valvular atrial fibrillation (2008-2015). Adherence was examined by estimating persistence, switching, and discontinuation rates at 12 months. Primary non-adherence was estimated in BIFAP and SIDIAP databases. Results: The highest persistence rate was seen for apixaban in the CPRD database (81%) and the lowest for dabigatran in the Mondriaan database (22%). The switching rate for all DOACs ranged from 2.4 to 13.1% (Mondriaan and EGB databases, respectively). Dabigatran had the highest switching rate from 5.0 to 20.0% (Mondriaan and EGB databases, respectively). The discontinuation rate for all DOACs ranged from 16.0 to 63.9% (CPRD and Bavarian CD databases, respectively). Dabigatran had the highest rate of discontinuers, except in the Bavarian CD and AOK NORDWEST databases, ranging from 23.2 to 64.6% (CPRD and Mondriaan databases, respectively). Combined primary non-adherence for examined DOACs was 11.1% in BIFAP and 14.0% in SIDIAP. There were differences in population coverage and in the type of drug data source among the databases. Conclusion: Despite the differences in the characteristics of the databases and in demographic and baseline characteristics of the included population that could explain some of the observed discrepancies, we can observe a similar pattern throughout the databases. Apixaban was the DOAC with the highest persistence. Dabigatran had the highest proportion of discontinuers and switchers at 12 months in most databases (EMA/2015/27/PH).

9.
Actas Dermosifiliogr ; 112(6): 489-494, 2021 Jun.
Artículo en Español | MEDLINE | ID: mdl-34629472

RESUMEN

Obesity is a major health problem whose well-known association with psoriasis has been amply described. The importance of obesity as a risk factor for poor prognosis in the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 infection has recently been demonstrated. This review examines a possible relationship between obesity, psoriasis, and COVID-19, analyzing the pathophysiological links and their practical implications. On the one hand, a higher body mass index increases the risk of psoriasis and is also a factor in metabolic syndrome, which is common in patients with psoriasis and has been implicated in reducing the effectiveness of psoriasis treatments. On the other hand, obesity is a risk factor for severe COVID-19 and mortality. Obesity also promotes a proinflammatory state in the lung, where it compromises respiratory mechanics.

10.
Actas dermo-sifiliogr. (Ed. impr.) ; 112(6): 489-494, jun. 2021.
Artículo en Español | IBECS | ID: ibc-213005

RESUMEN

La obesidad es un importante problema sanitario y su asociación a la psoriasis es bien conocida y ha sido ampliamente descrita. Recientemente, su relevancia en relación con la COVID-19, enfermedad causada por el betacoronavirus SARS-CoV-2, se ha puesto de manifiesto al demostrarse que es un factor de mal pronóstico para estos pacientes. En este trabajo se analiza la relación que puede existir entre obesidad, psoriasis y COVID-19, analizando los nexos fisiopatológicos comunes entre estas entidades y las implicaciones prácticas de esta asociación. Por un lado, el aumento del índice de masa corporal aumenta el riesgo de padecer psoriasis y, además, la obesidad es un factor implicado tanto en el síndrome metabólico, que también está incrementado en pacientes con psoriasis, como en una menor eficacia de los tratamientos. Por otro lado, la obesidad es un factor de riesgo para gravedad de la COVID-19 y para su mortalidad. Además, a nivel pulmonar promueve un estado proinflamatorio y tiene un efecto mecánico desfavorable (AU)


Obesity is a major health problem whose well-known association with psoriasis has been amply described. The importance of obesity as a risk factor for poor prognosis in the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 infection has recently been demonstrated. This review examines a possible relationship between obesity, psoriasis, and COVID-19, analyzing the pathophysiological links and their practical implications. On the one hand, a higher body mass index increases the risk of psoriasis and is also a factor in metabolic syndrome, which is common in patients with psoriasis and has been implicated in reducing the effectiveness of psoriasis treatments. On the other hand, obesity is a risk factor for severe COVID-19 and mortality. Obesity also promotes a proinflammatory state in the lung, where it compromises respiratory mechanics (AU)


Asunto(s)
Humanos , Obesidad/fisiopatología , Psoriasis/fisiopatología , Infecciones por Coronavirus/fisiopatología , Neumonía Viral , Pandemias , Índice de Severidad de la Enfermedad , Factores de Riesgo , Pronóstico
11.
J Hosp Infect ; 115: 27-31, 2021 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-33992743

RESUMEN

This observational study included patients who underwent pre-operative coronavirus disease 2019 (COVID-19) screening in order to preserve patient safety. Reverse transcriptase polymerase chain reaction (PCR) for severe acute respiratory syndrome coronavirus-2 was performed in 2292 of 8740 surgical procedures, and the incidence of a positive PCR result was 0.0022%. No healthcare-associated infections were detected. There was no difference in overall mortality or length of hospital stay compared with the same period from the previous year. A selective screening strategy to identify patients for PCR testing, based on isolation measures, presurgical clinical-epidemiological assessment and selected major surgeries susceptible to a poor COVID-19-related outcome, is effective and safe for patients and healthcare workers.


Asunto(s)
COVID-19 , SARS-CoV-2 , Procedimientos Quirúrgicos Electivos , Personal de Salud , Humanos , Tamizaje Masivo
12.
Rev Esp Quimioter ; 34(3): 193-199, 2021 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-33764003

RESUMEN

OBJECTIVE: The aim of this study was to assess the impact of the information provided by the new Sepsis Chip Flow system (SFC) and other fast microbiological techniques on the selection of the appropriate antimicrobial treatment by the clinical researchers of an antimicrobial stewardship team. METHODS: Two experienced clinical researchers performed the theoretical exercise of independently selecting the treatment for patients diagnosed by bacteremia due to bacilli gram negative (BGN). At first, the clinicians had only available the clinical characteristics of 74 real patients. Sequentially, information regarding the Gram stain, MALDI-TOF, and SFC from Vitro were provided. Initially, the researchers prescribed an antimicrobial therapy based on the clinical data, later these data were complementing with information from microbiological techniques, and the clinicians made their decisions again. RESULTS: The data provided by the Gram stain reduced the number of patients prescribed with combined treatments (for clinician 1, from 23 to 7, and for clinician 2, from 28 to 12), but the use of carbapenems remained constant. In line with this, the data obtained by the MALDI-TOF also decreased the combined treatment, and the use of carbapenems remained unchanged. By contrast, the data on antimicrobial resistance provided by the SFC reduced the carbapenems treatment. CONCLUSIONS: From the theoretical model the Gram stain and the MALDI-TOF results achieved a reduction in the combined treatment. However, the new system tested (SFC), due to the resistance mechanism data provided, not only reduced the combined treatment, it also decreased the prescription of the carbapenems.


Asunto(s)
Bacteriemia , Sepsis , Antibacterianos/uso terapéutico , Bacteriemia/tratamiento farmacológico , Bacterias Gramnegativas , Humanos , Técnicas Microbiológicas , Sepsis/tratamiento farmacológico , Espectrometría de Masa por Láser de Matriz Asistida de Ionización Desorción
13.
Rev. patol. respir ; 23(3): 117-119, jul.-sept. 2020. ilus
Artículo en Español | IBECS | ID: ibc-198475

RESUMEN

El hemotórax es una entidad causada habitualmente por traumatismos. Sin embargo, puede aparecer en el contexto de otras etiologías como las neoplasias, las coagulopatías o las enfermedades autoinmunes. Mujer de 77 años que acudió al Servicio de Urgencias por tos y disnea. La radiografía de tórax mostró derrame pleural izquierdo. Se colocó un drenaje pleural obteniendo contenido hemático. Se realizó una TAC que descartó patología torácica, pero mostró una neoplasia pancreática. La pleuroscopia confirmó la existencia de carcinomatosis pleural. El estudio anatomopatológico de las biopsias pleurales junto con los hallazgos clínicorradiológicos fueron altamente sugestivos de la etiología maligna pancreática como etiología del hemotórax. La etiología del hemotórax no traumático supone en ocasiones un reto diagnóstico. En pacientes con hemotórax y sin antecedentes traumáticos debe descartarse la etiología neoplásica del mismo


Haemothorax is more often caused by trauma. However, non-traumatic haemothorax has been associated to other aetiologies such as neoplasms, coagulopathy or autoimmune diseases. A 77-year-old woman was admitted to Hospital because of cough and dyspnoea. Chest-X-ray showed left pleural effusion. A chest tube revealed the presence of an haemothorax. A CT-scan dismissed thoracic aetiology of haemothorax but showed a pancreatobiliary neoplasm. Pleuroscopy confirmed pleural carcinomatosis. The anatomopathological features of pleural biopsies altogether with clinical and radiological findings suggested pancreatobiliary malignancy as the aetiology of the haemothorax. The aetiology of non-traumatic haemothorax is sometimes a diagnostic challenge. In patients with non-traumatic haemothorax, neoplastic aetiology should be always dismissed


Asunto(s)
Humanos , Femenino , Anciano , Hemotórax/diagnóstico por imagen , Neoplasias de los Conductos Biliares/diagnóstico por imagen , Neoplasias Pancreáticas/diagnóstico por imagen , Derrame Pleural Maligno/diagnóstico por imagen , Carcinoma/diagnóstico por imagen , Derrame Pleural Maligno/etiología , Hemotórax/etiología , Neoplasias de los Conductos Biliares/complicaciones , Neoplasias Pancreáticas/complicaciones , Carcinoma/complicaciones , Radiografía Torácica , Tomografía Computarizada por Rayos X , Toracoscopía , Biopsia
14.
Rev Esp Quimioter ; 33(3): 200-206, 2020 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-32345004

RESUMEN

OBJECTIVE: Bloodstream Infections has become in one of the priorities for the antimicrobial stewardship teams due to their high mortality and morbidity rates. Usually, the first antibiotic treatment for this pathology must be empirical, without microbiology data about the microorganism involved. For this reason, the population studies about the etiology of bacteremia are a key factor to improve the selection of the empirical treatment, because they describe the main microorganisms associated to this pathology in each area, and this data could facilitate the selection of correct antibiotic therapy. METHODS: This study describes the etiology of bloodstream infections in the Southeast of Spain. The etiology of bacteremia was analysed by a retrospective review of all age-ranged patients from every public hospital in the Autonomous Community of Valencia (approximately 5,000,000 inhabitants) for five years. RESULTS: A total of 92,097 isolates were obtained, 44.5% of them were coagulase-negative staphylococci. Enterobacteriales was the most prevalent group and an increase in frequency was observed along the time. Streptococcus spp. were the second microorganisms more frequently isolated. Next, the most prevalent were Staphylococcus aureus and Enterococcus spp., both with a stable incidence along the study. Finally, Pseudomonas aeruginosa was the fifth microorganism more frequently solated. CONCLUSIONS: These data constitute a useful tool that can help in the choice of empirical treatment for bloodstream infections, since the knowledge of local epidemiology is key to prescribe a fast and appropriate antibiotic therapy, aspect capital to improve survival.


Asunto(s)
Sepsis/etiología , Sepsis/microbiología , Adolescente , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Programas de Optimización del Uso de los Antimicrobianos , Niño , Preescolar , Análisis por Conglomerados , Femenino , Infecciones por Bacterias Gramnegativas/epidemiología , Infecciones por Bacterias Gramnegativas/microbiología , Infecciones por Bacterias Grampositivas/epidemiología , Infecciones por Bacterias Grampositivas/microbiología , Tamaño de las Instituciones de Salud , Humanos , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Selección de Paciente , Prevalencia , Estaciones del Año , Sepsis/epidemiología , Factores Sexuales , España/epidemiología , Adulto Joven
15.
Artículo en Español | IBECS | ID: ibc-196416

RESUMEN

La obesidad es un importante problema sanitario y su asociación a la psoriasis es bien conocida y ha sido ampliamente descrita. Recientemente, su relevancia en relación con la COVID-19, enfermedad causada por el betacoronavirus SARS-CoV-2, se ha puesto de manifiesto al demostrarse que es un factor de mal pronóstico para estos pacientes. En este trabajo se analiza la relación que puede existir entre obesidad, psoriasis y COVID-19, analizando los nexos fisiopatológicos comunes entre estas entidades y las implicaciones prácticas de esta asociación. Por un lado, el aumento del índice de masa corporal aumenta el riesgo de padecer psoriasis y, además la obesidad es un factor implicado tanto en el síndrome metabólico, que también está incrementado en pacientes con psoriasis, como en una menor eficacia de los tratamientos. Por otro lado, la obesidad es un factor de riesgo para gravedad de la COVID-19 y para su mortalidad. Además, a nivel pulmonar promueve un estado proinflamatorio y tiene un efecto mecánico desfavorable


Obesity is a major health problem whose well-known association with psoriasis has been amply described. The importance of obesity as a risk factor for poor prognosis in the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 infection has recently been demonstrated. This review examines a possible relationship between obesity, psoriasis, and COVID-19, analyzing the pathophysiological links and their practical implications. On the one hand, a higher body mass index increases the risk of psoriasis and is also a factor in metabolic syndrome, which is common in patients with psoriasis and has been implicated in reducing the effectiveness of psoriasis treatments. On the other hand, obesity is a risk factor for severe COVID-19 and mortality. Obesity also promotes a proinflammatory state in the lung, where it compromises respiratory mechanics


Asunto(s)
Humanos , Obesidad/complicaciones , Psoriasis/etiología , Infecciones por Coronavirus/etiología , Factores de Riesgo , Obesidad/fisiopatología , Psoriasis/fisiopatología , Infecciones por Coronavirus/fisiopatología , Síndrome Metabólico/complicaciones , Pronóstico
16.
Rev Sci Instrum ; 89(10): 10H114, 2018 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-30399948

RESUMEN

The λ ≈ 1 mm (f = 288 GHz) interferometer for the Lithium Tokamak Experiment-ß (LTX-ß) will use a chirped-frequency source and a centerstack-mounted retro-reflector mirror to provide electron line density measurements along a single radial chord at the midplane. The interferometer is unique in the use of a single source (narrow-band chirped-frequency interferometry) and a single beam splitter for separating and recombining the probe and reference beams. The current work provides a documentation of the interferometry hardware and evaluates the capabilities of the system as a far-forward collective scattering diagnostic. As such, the current optical setup is estimated to have a detection range of 0.4 ≲ k ⊥ ≲ 1.7 cm-1, while an improved layout will extend the upper k ⊥ limit to ∼3 cm-1. Measurements with the diagnostic on LTX are presented, showing interferometry results and scattered signal data. These diagnostics are expected to provide routine measurements on LTX-ß for high frequency coherent density oscillations (e.g., Alfvénic modes during neutral beam injection) as well as for broadband turbulence.

17.
Rev Esp Quimioter ; 31(6): 542-545, 2018 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-30421883

RESUMEN

OBJECTIVE: The role of tumor necrosis factor (TNF), interleukin (IL)-1ß and IL-6 in the pathogenicity of seasonal flu is unknown. METHODS: We analyzed the profiles of these cytokines in 77 flu patients and 17 controls with non-flu respiratory infection, using molecular biology techniques (real-time polymerase chain reaction). RESULTS: Flu patients had lower monocyte counts (p=0.029) and a slightly lower median level of IL-6 (P=0.05) than the control group. Twenty-four flu patients (31.2%) had pneumonia; this group had higher C-reactive proteins (p=0.01) and monocyte levels (p=0.009). Pro-inflammatory cytokines levels did not rise in patients with pneumonia complicating seasonal influenza. CONCLUSIONS: IL-6 levels were lower in adults with influenza.


Asunto(s)
Gripe Humana/sangre , Interleucina-1beta/sangre , Interleucina-6/sangre , Factor de Necrosis Tumoral alfa/sangre , Anciano , Anciano de 80 o más Años , Proteína C-Reactiva/análisis , Femenino , Humanos , Gripe Humana/complicaciones , Recuento de Leucocitos , Masculino , Persona de Mediana Edad , Neumonía/sangre , Neumonía/complicaciones , Neumonía/etiología
18.
Clin Microbiol Infect ; 24(2): 192-198, 2018 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-28652112

RESUMEN

OBJECTIVES: To assess the risk factors for development of late-onset invasive pulmonary aspergillosis (IPA) after kidney transplantation (KT). METHODS: We performed a multinational case-control study that retrospectively recruited 112 KT recipients diagnosed with IPA between 2000 and 2013. Controls were matched (1:1 ratio) by centre and date of transplantation. Immunosuppression-related events (IREs) included the occurrence of non-ventilator-associated pneumonia, tuberculosis, cytomegalovirus disease, and/or de novo malignancy. RESULTS: We identified 61 cases of late (>180 days after transplantation) IPA from 24 participating centres (accounting for 54.5% (61/112) of all cases included in the overall study). Most diagnoses (54.1% (33/61)) were established within the first 36 post-transplant months, although five cases occurred more than 10 years after transplantation. Overall mortality among cases was 47.5% (29/61). Compared with controls, cases were significantly older (p 0.010) and more likely to have pre-transplant chronic obstructive pulmonary disease (p 0.001) and a diagnosis of bloodstream infection (p 0.016) and IRE (p <0.001) within the 6 months prior to the onset of late IPA. After multivariate adjustment, previous occurrence of IRE (OR 19.26; 95% CI 2.07-179.46; p 0.009) was identified as an independent risk factor for late IPA. CONCLUSION: More than half of IPA cases after KT occur beyond the sixth month, with some of them presenting very late. Late IPA entails a poor prognosis. We identified some risk factors that could help the clinician to delimit the subgroup of KT recipients at the highest risk for late IPA.


Asunto(s)
Aspergilosis Pulmonar Invasiva/etiología , Trasplante de Riñón/efectos adversos , Estudios de Casos y Controles , Femenino , Salud Global/estadística & datos numéricos , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores de Riesgo , Factores de Tiempo
19.
Osteoporos Int ; 29(2): 467-478, 2018 02.
Artículo en Inglés | MEDLINE | ID: mdl-29199359

RESUMEN

The venous thromboembolism risk among anti-osteoporotics is unknown. In this primary care study, the risk with other bisphosphonates [1.05 (0.94-1.18) and 0.96 (0.78-1.18)], strontium [0.90 (0.61-1.34) and 1.19 (0.82-1.74)], in the UK and Spain respectively, and denosumab [1.77 (0.25-12.66)] and teriparatide [1.27 (0.59-2.71)] in Spain, did not differ versus alendronate. INTRODUCTION: Most of the known adverse drug reactions described for anti-osteoporosis medication (AOM) have been described in studies comparing AOM users to non-users. We aimed to compare the risk of venous thromboembolism (VTE) among incident users of different AOM compared to alendronate (first line therapy). METHODS: Two cohort studies were performed using data from the UK (CPRD) and Spain (BIFAP) primary care records separately. All patients aged ≥ 50 years with at least 1 year of data available and a new prescription or dispensation of AOM (date for therapy initiation) during 2000-2014 (CPRD) or 2001-2013 (BIFAP) were included. Users of raloxifene/bazedoxifene were excluded from both databases. Five exposure cohorts were identified according to first treatment: (1) alendronate, (2) other bisphosphonates, (3) strontium ranelate, (4) denosumab, and (5) teriparatide. Participants were followed from the day after therapy initiation to the earliest of a treated VTE (cases), end of AOM treatment (defined by a refill gap of 180 days), switching to an alternative AOM, drop-out, death, or end of study period. Incidence rates of VTE were estimated by cohort. Adjusted hazard ratios (HR 95%CI) were estimated according to drug used. RESULTS: Overall, 2035/159,209 (1.28%) in CPRD and 401/83,334 (0.48%) in BIFAP had VTE. Compared to alendronate, adjusted HR of VTE were 1.05 (0.94-1.18) and 0.96 (0.78-1.18) for other bisphosphonates, and 0.90 (0.61-1.34) and 1.19 (0.82-1.74) for strontium in CPRD and BIFAP, respectively; 1.77 (0.25-12.66) for denosumab and 1.27 (0.59-2.71) for teriparatide in BIFAP. CONCLUSIONS: VTE risk during AO therapy did not differ by AOM drug use. Our data does not support an increased risk of VTE associated with strontium ranelate use in the community.


Asunto(s)
Conservadores de la Densidad Ósea/efectos adversos , Tromboembolia Venosa/inducido químicamente , Anciano , Anciano de 80 o más Años , Alendronato/efectos adversos , Estudios de Cohortes , Denosumab/efectos adversos , Difosfonatos/efectos adversos , Femenino , Humanos , Masculino , Persona de Mediana Edad , Atención Primaria de Salud/métodos , Medición de Riesgo/métodos , España/epidemiología , Teriparatido/efectos adversos , Tiofenos/efectos adversos , Reino Unido/epidemiología , Tromboembolia Venosa/epidemiología
20.
Eur J Clin Microbiol Infect Dis ; 37(2): 313-318, 2018 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-29197988

RESUMEN

In HIV-infected patients, the damage in the gut mucosal immune system is not completely restored after antiretroviral therapy (ART). It results in microbial translocation, which could influence the immune and inflammatory response. We aimed at investigating the long-term impact of bacterial-DNA translocation (bactDNA) on glucose homeostasis in an HIV population. This was a cohort study in HIV-infected patients whereby inclusion criteria were: patients with age >18 years, ART-naïve or on effective ART (<50 HIV-1 RNA copies/mL) and without diabetes or chronic hepatitis C. Primary outcome was the change in HbA1c (%). Explanatory variables at baseline were: bactDNA (qualitatively detected in blood samples by PCR [broad-range PCR] and gene 16SrRNA - prokaryote), ART exposure, HOMA-R and a dynamic test HOMA-CIGMA [continuous infusion of glucose with model assessment], hepatic steatosis (hepatic triglyceride content - 1H-MRS), visceral fat / subcutaneous ratio and inflammatory markers. Fifty-four men (age 43.2 ± 8.3 years, BMI 24.9 ± 3 kg/m2, mean duration of HIV infection of 8.1 ± 5.3 years) were included. Baseline HbA1c was 4.4 ± 0.4% and baseline presence of BactDNA in six patients. After 8.5 ± 0.5 years of follow-up, change in HbA1c was 1.5 ± 0.47% in patients with BactDNA vs 0.87 ± 0.3% in the rest of the sample p < 0.001. The change in Hba1c was also influenced by protease inhibitors exposure, but not by baseline indices of insulin resistance, body composition, hepatic steatosis, inflammatory markers or anthropometric changes. In non-diabetic patients with HIV infection, baseline bacterial translocation and PI exposure time were the only factors associated with long-term impaired glucose homeostasis.


Asunto(s)
Traslocación Bacteriana/fisiología , Glucemia/análisis , ADN Bacteriano/sangre , Glucosa/metabolismo , Hemoglobina Glucada/análisis , Adulto , Antirretrovirales/uso terapéutico , Estudios de Cohortes , Hígado Graso/patología , Infecciones por VIH/tratamiento farmacológico , VIH-1/aislamiento & purificación , Humanos , Resistencia a la Insulina/fisiología , Masculino , Inhibidores de Proteasas/uso terapéutico , ARN Ribosómico 16S/genética , Triglicéridos/análisis
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