Núcleos y ámbitos de investigación sobre adicciones:necesidad de una visión más amplia

Carta al directorSr. Director, Cada vez es más trascendente profundizar en los diversos aspectos que se relacionan con la investigación científica en el campo de salud. Hasta hace poco, el foco se dirigía principalmente hacia sobre qué se investigaba, quién lo hacía, cuál era el factor de impacto de la revista, de qué institución era el investigador y cuál era su índice h. Esto resulta de utilidad para conocer la actividad investigadora en un campo determinado y puede contribuir a una mejor toma de decisiones a la hora de adjudicar recursos o decidir plazas universitarias. Particularmente, hemos realizado una serie de aportaciones en este campo que han permitido poner de relieve el panorama investigador en nuestras respectivas especialidades (Burbano et al., 2013; Miró y Burillo-Putze, 2012; Miró, Montori, Ramos, Galicia y Nogué, 2009)

Papel del factor precipitante de un episodio de insuficiencia cardiaca aguda en relación al pronóstico a corto plazo del paciente: estudio PAPRICA

Objetivos: Hay pocos estudios que analicen el papel que juegan los factores precipitantes (FPre) en el manejo de la insuficiencia cardiaca aguda (ICA). El estudio PAPRICA pretende analizar la relación entre la identificación de diferentes FPre con la mortalidad precoz y las reconsultas a los 30 días. Método: Estudio retrospectivo, multicéntrico, con seguimiento de cohortes a partir de los datos incluidos en el registro EAHFE (Epidemiology Acute Heart Failure Emergency). Se recogieron datos de todos los episodios de ICA en 8 servicios de urgencias hospitalarios (SUH) españoles durante el mes de abril de 2007. Se recogieron datos del perfil clínico y la evolución a corto plazo (mortalidad y reconsulta a los 30 días). La variable clasificadora del estudio fue la ausencia o presencia conocida de FPre del episodio de ICA. Sólo se recogió un FPre por episodio. Resultados: Se incluyeron 662 casos. El 51,4% de los casos presentaron un FPre. A los 30 días se registró una mortalidad del 6,2% y un índice de reconsultas del 26,6%. Los FPre más frecuentes fueron las infecciones (22,2%), las taquiarritmias (13%), la emergencia hipertensiva (4,9%), la transgresión del tratamiento (4,2%), la anemia (3,9%) y la isquemia coronaria (3,7%). En conjunto, no hubo diferencias significativas de los pacientes que tuvieron un FPre, ni en cuanto a mortalidad (5,0% con FPre vs 7,5% sin FPre, p = 0,25) ni en lo relativo a las reconsultas (29,3% vs 23,8%, p = 0,12). Individualmente, la infección respiratoria se asoció a un menor porcentaje crudo de reconsultas a los 30 días, pero no afectó la mortalidad. Para el resto de FPre se observaron algunas tendencias, pero ninguna alcanzó una significación estadística. Conclusiones: En el estudio PAPRICA, la identificación de un FPre del episodio de ICA no se asoció con el pronóstico a corto plazo, si bien algún FPre en concreto, especialmente la infección respiratoria, podría estar ligado a un pronóstico diferente respecto a los pacientes en los que no se identifica ningún FPre. [Emergencias 2012;24:438-446

Increased severity in SARS-CoV-2 infection of minorities in Spain

Introduction: With the global spread of COVID-19, studies in the US and UK have shown that certain communities have been strongly impacted by COVID-19 in terms of incidence and mortality. The objective of the study was to determine social determinants of health among COVID-19 patients hospitalized in the two major cities of Spain. Material and methods: A multicenter retrospective case series study was performed collecting administrative databases of all COVID-19 patients ≥18 years belonging to two centers in Madrid and two in Barcelona (Spain) collecting data from 1st March to 15th April 2020. Variables obtained age, gender, birthplace and residence ZIP code. From ZIP code we obtained per capita income of the area. Predictors of the outcomes were explored through generalized linear mixed-effects models, using center as random effect. Results: There were 5,235 patients included in the analysis. After multivariable analysis adjusted by age, sex, per capita income, population density, hospital experience, center and hospital saturation, patients born in Latin American countries were found to have an increase in ICU admission rates (OR 1.56 [1.13-2.15], p<0.01) but no differences were found in the same model regarding mortality (OR 1.35 [0.95-1.92], p=0.09). Conclusions: COVID-19 severity varies widely, not only depending on biological but also socio-economic factors. With the emerging evidence that this subset of population is at higher risk of poorer outcomes, targeted public health strategies and studies are needed

Prehospital emergency care of patients with acute heart failure in Spain: the SEMICA study (Emergency Medical Response Systems for Patients with Acute Heart Failure)

Objectives. To study the means of emergency transport used to bring patients with acute heart failure (AHF) to hospital emergency departments (EDs) and explore associations between factors, type of transport, and prehospital care received. Methods. We gathered the following information on patients treated for AHF at 34 Spanish hospital EDs: means of transport used (medicalized ambulance [MA], nonmedicalized ambulance [NMA], or private vehicle) and treatments administered before arrival at the hospital. Twenty-seven independent variables potentially related to type of transport used were also studied. Indicators of AHF severity were triage level assigned in the ED, need for admission, need for intensive care, in-hospital mortality, and 30-day mortality. Results. A total of 6106 patients with a mean (SD) age of 80 years were included; 56.5% were women, 47.2% arrived in PVs, 37.8% in NMAs, and 15.0% in MAs. Use of an ambulance was associated with female sex, age over 80 years, chronic obstructive pulmonary disease, a history of AHF, functional dependency, New York Heart Association class III-IV, sphincteral incontinence, labored breathing, orthopnea, cold skin, and sensory depression or restlessness. Assignment of a MA was directly associated with living alone, a history of ischemic heart disease, cold skin, sensory depression or restlessness, and high temperature; it was inversely associated with a history of falls. The rates of receipt of prehospital treatments and AHF severity level increased with use of MAs vs. NMAs vs. PV. Seventy-three percent of patients transported in MAs received oxygen, 29% received a diuretic, 13.5% a vasodilator, and 4.7% noninvasive ventilation. Conclusions. Characteristics of the patient with AHF are associated with the assignment of type of transport to a hospital ED. Assignment appears to be related to severity. Treatment given during MA transport could be increased

Pronóstico de la insuficiencia cardíaca aguda basado en datos clínicos de congestión

Antecedentes y objetivos: Evaluar si los síntomas/signos de congestión en pacientes con insuficiencia cardíaca aguda (ICA) atendidos en los servicios de urgencias hospitalarios (SUH) permiten predecir la evolución a corto plazo. Pacientes y métodos: Pacientes consecutivos diagnosticados de ICA en 45 SUH del registro EAHFE. Recogimos variables clínicas de congestión sistémica (edemas en miembros inferiores, ingurgitación yugular, hepatomegalia) y pulmonar (disnea de esfuerzo, disnea paroxística nocturna, ortopnea y crepitantes pulmonares) analizando su asociación con la mortalidad por cualquier causa a 30 días, de forma cruda y ajustada por diferencias entre grupos. Resultados: Analizamos 18.120 pacientes (mediana = 83 anos, rango intercuartil [RIC] = 76-88; mujeres = 55,7%). El 44,6% presentaba > 3 síntomas/signos congestivos. Individualmente, el riesgo ajustado de muerte a 30 días se incrementó un 14% para la existencia de ingurgitación yugular (hazard ratio [HR] = 1,14; intervalo de confianza al 95% [IC 95%] = 1,01-1,28) y un 96% para la disnea de esfuerzo (HR = 1,96; IC 95% = 1,55-2,49). Valorados conjuntamente, el riesgo se incrementó progresivamente con el número de síntomas/signos presentes; así

Calidad percibida por los pacientes con insuficiencia cardiaca aguda respecto a la atención recibida en urgencias.

Objetivo. Constatar la calidad percibida de los pacientes con insuficiencia cardiaca aguda (ICA) dados de alta desde urgencias, compararla con la de los ingresados, e investigar las variables asociadas con la calidad percibida. Método. Estudio diseñado prospectivamente, transversal, tipo caso-control, realizado en 7 servicios de urgencias en pacientes consecutivamente diagnosticados de ICA que valoraron mediante encuesta telefónica la atención médica, atención enfermera, trato global y grado de resolución del problema en urgencias. También se solicitó el grado de acuerdo con la decisión de alta directa desde urgencias. Se compararon los pacientes dados de alta e ingresados, y se investigó si estos resultados diferían en función de la existencia de eventos adversos los 30 días siguientes. Resultados. Se incluyeron 1.147 casos y se entrevistaron 1.003 (87,4%): 253 pacientes (25,2%) fueron dados de alta. No hubo diferencias significativas en la valoración que dieron a la asistencia médica, de enfermería, atención global y resolución del problema entre pacientes dados de alta e ingresados. La puntuación global (entre 0 y 10) fue de 7,34 (1,38) y 7,38 (1,52), respectivamente (p = 0,66). Más del 90% estuvieron de acuerdo o muy de acuerdo con la decisión de alta. No hubo diferencias de valoración en función de si habían existido acontecimientos adversos posteriores. Conclusiones. Los pacientes con ICA califican bien los distintos componentes de la atención que reciben en urgencias, sin diferencias entre pacientes ingresados y dados de alta. Entre estos últimos, su grado de acuerdo con la decisión médica de alta es elevado y su valoración se mantiene estable indistintamente de si con posterioridad se producen eventos adversos

Frequency of five cardiovascular/hemostatic entities as primary manifestations of SARS-CoV-2 infection: Results of the UMC-19-S2

Infection by SARS-Cov-2 is mainly characterized by fever and respiratory symptoms, with dyspnea and lung infiltrates in more severe cases [1,2]. Many patients also present a pro-coagulant state, which is biochemically detected by increased D-dimer levels and is related to complications and a worse prognosis [1,3]. In this context, isolated case reports and short case series have suggested an increased risk of patients with COVID-19 to develop clinically relevant cardiovascular and hemostatic disturbances [3–7]. Nonetheless, many of these reports refer to hospitalized patients, and as hospitalization itself usually increases complications in bedridden patients with multidrug treatmentor in very poor condition, it is unknown if such cardiovascular/hemostatic processes are related to the pathogenesis of SARS-Cov-2. Focus on patients with COVID-19 at emergency department (ED) arrival could help to answer this question

Mitochondrial toxicity and caspase activation in HIV pregnant women.

To assess the impact of HIV-infection and highly active anti-retroviral treatment in mitochondria and apoptotic activation of caspases during pregnancy and their association with adverse perinatal outcome. Changes of mitochondrial parameters and apoptotic caspase activation in maternal peripheral blood mononuclear cells were compared at first trimester of pregnancy and delivery in 27 HIV-infected and -treated pregnant women versus 24 uninfected pregnant controls. We correlated immunovirological, therapeutic and perinatal outcome with experimental findings: mitochondrial DNA (mtDNA) content, mitochondrial protein synthesis, mitochondrial function and apoptotic caspase activation. The HIV pregnancies showed increased adverse perinatal outcome (OR: 4.81 [1.14-20.16]; P < 0.05) and decreased mtDNA content (42.66 ± 5.94%, P < 0.01) compared to controls, even higher in naïve participants. This depletion caused a correlated decrease in mitochondrial protein synthesis (12.82 ± 5.73%, P < 0.01) and function (20.50 ± 10.14%, P < 0.001), not observed in controls. Along pregnancy, apoptotic caspase-3 activation increased 63.64 ± 45.45% in controls (P < 0.001) and 100.00 ± 47.37% in HIV-pregnancies (P < 0.001), in correlation with longer exposure to nucleoside analogues. HIV-infected women showed increased obstetric problems and declined genetic and functional mitochondrial parameters during pregnancy, especially those firstly exposed to anti-retrovirals. The apoptotic activation of caspases along pregnancy is emphasized in HIV pregnancies promoted by nucleoside analogues. However, we could not demonstrate direct mitochondrial or apoptotic implication in adverse obstetric outcome probably because of the reduced sample size

Detección en urgencias de infección por VIH en pacientes que consultan por condiciones potencialmente relacionadas con infección oculta: resultados iniciales del programa "Urgències VIHgila"

Objective: To estimate the prevalence of unknown HIV infection in patients who consulted in hospital emergency services (ED) for conditions defined in the SEMES-GESIDA Consensus Document (DC), evaluate the efficiency of its im-plementation and investigate the efficiency of HIV serology determination in other conditions. Methods: Results were reviewed in 10 Catalan EDs for 12 months (July-21-June-22) after implementing CD recommendations: request HIV serology in case of suspected sexually transmitted infection, chemsex, post-exposure prophylaxis (PEP), mononucleosis syndrome, community pneumonia (18-65 y-o) or herpes zoster (18-65 y-o). Other reasons for request were included. Prevalence (%) of global seropositivity and for each circumstance was calculated, with a 95% confidence interval (95%CI). The efficient strategy was considered if the lower limit of the CI95%>0.1%. Results: A total of5,107 HIV serologies were performed: 2,847(56%) in situations specified in CD, and 2,266 (44%) in other 138 circumstances. Forty-eight unknown HIV infections were detected (prevalence=0.94%;95%CI=0.69-1.24). The prevalence was somewhat higher in DC requests (30 cas-es 1.12%) than the rest (18 cases 0.71%; p=0.16). The individualized prevalence of CD reasons ranged between 7.41% (95%CI=0.91-24.3) in chemsex and 0.42% 95%CI=0.14-0.98 in PPE, always efficient except herpes zoster (0.76%; CI95%=0.02-4.18). In other reasons, cases were detected in 12 circumstances, and in four the determination could be efficient: lymphopenia (10%;CI95%=0.25-44.5), fever with polyarthralgia-polyarthritis (7.41%;CI95% =0.91-24.3), behavioral alteration-confusion-encephalopathy (3.45%;95%CI=0.42-11.9) and fever of unknown origin (2.50%;95%CI=0.82-5.74). Conclusions: The determination of HIV serology in HES in the processes defined by DC SEMES-GESIDA is efficient. Some circumstances are identified that could be added to those previously contemplated to increase efficiency