Publications by authors named "Juan Bellido"

Introduction: Although several studies report that the robotic approach is more costly than laparoscopy, the cost-effectiveness of robotic distal pancreatectomy (RDP) over laparoscopic distal pancreatectomy (LDP) is still an issue. This study evaluates the cost-effectiveness of the RDP and LDP approaches across several Spanish centres.

Methods: This study is an observational, multicenter, national prospective study (ROBOCOSTES).

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This study aimed to isolate lactic acid bacteria (LAB) from the digestive tract, meat and slime of edible snails (Helix lucorum, Helix aspersa and Eobania vermiculata) and investigate their antagonistic activity against Penicillium expansum. They were then characterized for their probiotic potential. Among 900 bacterial isolates, 47 LAB exhibiting anti-P.

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The SARS-CoV-2 pandemic has forced all countries worldwide to rapidly develop and implement widespread testing to control and manage the Coronavirus Disease 2019 (COVID-19). reverse-transcription (RT)-qPCR is the gold standard molecular diagnostic method for COVID-19, mostly in automated testing platforms. These systems are accurate and effective, but also costly, time-consuming, high-technological, infrastructure-dependent, and currently suffer from commercial reagent supply shortages.

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Background: In Spain, 12% of the population are immigrants. The impact of immigration in Spain on cystic echinococcosis (CE) is unknown. The aim of this study was to describe the epidemiology of CE in immigrants in western Spain.

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Introduction: Salmonellosis is an important public health problem. Turtles are increasingly involved in the role of transmitters of this infection to humans.

Methods: Salmonella cases are reported to the local Surveillance Agency where interviews are carried out to address possible exposures.

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Juvenile loggerhead sea turtles (Caretta caretta) from Atlantic nesting populations migrate into the western Mediterranean, where they share feeding grounds with turtles originating in the Mediterranean. In this scenario, male-mediated gene flow may lead to the homogenization of these distant populations. To test this hypothesis, we genotyped 7 microsatellites from 56 Atlantic individuals sampled from feeding grounds in the western Mediterranean and then compared the observed allele frequencies with published data of 112 individuals from Mediterranean nesting beaches.

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Background: A good part of the transmission of influenza occurs in the household context. The main objective of this study was to evaluate the factors associated with the index cases generating secondary cases in household.

Methods: We designed an observational, retrospective, multicenter through the implementation of a telephone survey in three regions of Spain.

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In November 2004, 116 individuals in an elderly nursing home in El Grao de Castellón, Spain were symptomatically infected with genogroup II.4 (GII.4) norovirus.

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Cadmium, lead, copper, and zinc were measured in tissues of 21 loggerhead turtles (Caretta caretta) from the southwestern Mediterranean coastline. Mean concentrations (dry weight) of essential elements (Zn and Cu) were 107 and 21.6 microg/g in liver, 27.

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Background And Objective: To estimate the incidence of asthma in schoolchildren from 6-7 years old to 14-15 years old and associated risk factors.

Population And Method: A cohort study, with the ISAAC phases I and III in 1994 and 2002, respectively, was carried out in Castellón, and the nearby towns Vila-real, Almassora, Benicàssim, El Grau de Castelló, Borriol, and L'Alcora. In 1992, 3,607 schoolchildren aged 6-7 years old took part, of whom 1,805 were again studied in 2002, at the age of 14-15.

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Unlabelled: The EMECAM Project demonstrated the short-term effect of air pollution on the death rate in 14 cities in Spain throughout the 1990-1995 period. The Spanish Multicentre Study on Health Effects of Air Pollution (EMECAS) is broadening these objectives by incorporating more recent data, information on hospital disease admissions and totaling 16 Spanish cities. This is an ecological time series study in which the response variables are the daily deaths and the emergency hospitalizations due to circulatory system diseases and respiratory diseases among the residents in each city.

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We developed a case-control study in order to identify risk factors associated with pharyngeal colonization by Streptococcus pneumoniae with reduced susceptibility to fluoroquinolones (ciprofloxacin MIC, > or =4 microg/ml). A total of 400 patients were studied for colonization by quinolone-nonsusceptible S. pneumoniae (QNSP) isolates and risk factors for this colonization.

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Background And Objective: EMECAM is a collaborative project that seeks to evaluate the short-term effects of air pollution on mortality in Spain.

Material And Method: We collected data for air pollutants (particles and gases), daily mortality (total except external, cardiovascular and respiratory causes) and co-variables (temperature, humidity, influenza and calendar variables) in 13 Spanish cities. The magnitude of the association in every city was estimated using GAM under a Poisson distribution.

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Background: Intestinal infections are highly frequent processes of which solely a part are identified by the epidemiological monitoring systems. This study is aimed at estimating the incidence on the population, by age groups, of the sporadic intestinal infections diagnosed in one healthcare district in Castellón in the year 2000.

Methods: Based on the routine coprocultures, the basic demographic data for each patient was gathered for calculating the diagnosis and hospitalization rates.

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In recent years, some epidemiologic studies have attributed adverse effects of air pollutants on health not only to particles and sulfur dioxide but also to photochemical air pollutants (nitrogen dioxide and ozone). The effects are usually small, leading to some inconsistencies in the results of the studies. Furthermore, the different methodologic approaches of the studies used has made it difficult to derive generic conclusions.

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