Now showing 1 - 10 of 14
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    Item type:Publication,
    Identification of biomedical journals in Spain and Latin America
    (Wiley, 2015-07-20)
    Xavier Bonfill
    ;
    Dimelza Osorio
    ;
    Margarita Posso
    ;
    Ivan Solà
    ;
    Gabriel Rada
    <jats:title>Abstract</jats:title><jats:sec><jats:title>Objectives</jats:title><jats:p>Journals in languages other than English that publish original clinical research are often not well covered in the main biomedical databases and therefore often not included in systematic reviews. This study aimed to identify Spanish language biomedical journals from Spain and Latin America and to describe their main features.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>Journals were identified in electronic databases, publishers' catalogues and local registries. Eligibility was determined by assessing data from these sources or the journals' websites, when available.</jats:p></jats:sec><jats:sec><jats:title>Findings</jats:title><jats:p>A total of 2457 journals were initially identified; 1498 met inclusion criteria. Spain (27.3%), Mexico (16.0%), Argentina (15.1%) and Chile (11.9%) had the highest number of journals. Most (85.8%) are currently active; 87.8% have an <jats:styled-content style="fixed-case">ISSN</jats:styled-content>. The median and mean length of publication were 22 and 29 years, respectively. A total of 66.0% were indexed in at least one database; 3.0% had an impact factor in 2012. A total of 845 journals had websites (56.4%), of which 700 (82.8%) were searchable and 681 (80.6%) free of charge.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>Most of the identified journals have no impact factor or are not indexed in any of the major databases. The list of identified biomedical journals can be a useful resource when conducting hand searching activities and identifying clinical trials that otherwise would not be retrieved.</jats:p></jats:sec>
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    Item type:Publication,
    Colchicine for the primary prevention of cardiovascular events
    (Wiley, 2022-06-28) ;
    Juan Bautista De Sanctis
    ;
    ;
    Cristina Elena Martí Amarista
    ;
    Eduardo Alegría
    Background: Atherosclerotic cardiovascular diseases (ACVDs), a condition characterised by lipid accumulation in arterial walls, which is often exacerbated by chronic inflammation disorders, is the major cause of mortality and morbidity worldwide. Colchicine, with its first medicinal use in ancient Egypt, is an inexpensive drug with anti-inflammatory properties. However, its role in primary prevention of ACVDs in the general population remains unknown. Objectives: To assess the clinical benefits and harms of colchicine as primary prevention of cardiovascular outcomes in the general population. Search methods: We searched the Cochrane Heart Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Ovid MEDLINE (including In-Process & Other Non-Indexed Citations), Ovid Embase, Web of Science, and LILACS. We searched ClinicalTrials.gov and WHO ICTRP for ongoing and unpublished studies. We also scanned the reference lists of relevant included studies, reviews, meta-analyses, and health technology reports to identify additional studies. There were no limitations on language, date of publication, or study setting. The search results were updated on 31 May 2023. Selection criteria: Randomised controlled trials (RCTs) in any setting, recruiting adults without pre-existing cardiovascular disease. We included trials that compared colchicine versus placebo, non-steroidal anti-inflammatory drugs, corticosteroids, immunomodulating drugs, or usual care. Our primary outcomes were all-cause mortality, non-fatal myocardial infarction, stroke, and adverse events. Data collection and analysis: Two or more review authors independently selected studies, extracted data, and performed risk of bias and GRADE assessments. Main results: We identified 15 RCTs (1721 participants randomised; 1412 participants analysed) with follow-up periods ranging from 4 to 728 weeks. The intervention was oral colchicine compared with placebo, immunomodulating drugs, or usual care or no treatment. Due to biases and imprecision, the evidence was very uncertain for all outcomes. All trials but one had a high risk of bias. Five out of seven meta-analyses included fewer than six trials (71.4%). The objectives of the review were to assess cardiovascular outcomes in the general population, but many of the included trials focused on liver disease. Colchicine compared to placebo. Colchicine may reduce all-cause mortality compared to placebo in primary prevention, but the evidence is very uncertain (risk ratio (RR) 0.68, 95% confidence interval (CI) 0.51 to 0.91; 6 studies, 463 participants; very low-certainty evidence; number needed to treat for an additional beneficial outcome (NNTB) 11, 95% CI 6 to 67). Colchicine may result in little to no difference in non-fatal myocardial infarction, but the evidence is very uncertain (RR 0.87, 95% CI 0.41 to 1.82; 1 study, 100 participants; very low-certainty evidence). Colchicine may not reduce the incidence of stroke, but the evidence is very uncertain (RR 2.43, 95% CI 0.67 to 8.86; 1 study, 100 participants; very low-certainty evidence). Regarding adverse events, colchicine may increase the incidence of diarrhoea (RR 3.99, 95% CI 1.44 to 11.06; 8 studies, 605 participants; very low-certainty evidence; number needed to treat for an additional harmful outcome (NNTH) 10, 95% CI 6 to 17), and may have little to no effect on neurological outcomes such as seizure or mental confusion (RR 0.72, 95% CI 0.31 to 1.66; 2 studies, 155 participants; very low-certainty evidence), but the evidence is very uncertain. The effect of colchicine on cardiovascular mortality is also very uncertain (RR 1.27, 95% CI 0.03 to 62.43; 2 studies, 160 participants; very low-certainty evidence). Colchicine may not reduce post-cardiac procedure atrial fibrillation, but the evidence is very uncertain (RR 0.74, 95% CI 0.25 to 2.19; 1 study, 100 participants). We found no trials reporting on pericardial effusion, peripheral artery disease, heart failure, or unstable angina. Colchicine compared to methotrexate (immunomodulating drug). Colchicine may result in little to no difference in all-cause mortality compared to methotrexate, but the evidence is very uncertain (RR 0.42, 95% CI 0.12 to 1.51; 1 study, 85 participants; very low-certainty evidence). We found no trials reporting other cardiovascular outcomes or adverse events for this comparison. Colchicine compared to usual care or no treatment. The evidence is very uncertain about the effect of colchicine compared with usual care on all-cause mortality in primary prevention (RR 1.07, 95% CI 0.90 to 1.27; 2 studies, 729 participants; very low-certainty evidence). Regarding adverse events, colchicine may increase the incidence of diarrhoea compared to usual care, but the evidence is very uncertain (RR 3.32, 95% CI 1.56 to 7.03; 2 studies, 729 participants; very low-certainty evidence; NNTH 18, 95% CI 12 to 42). No trials reported other cardiovascular outcomes for this comparison. Authors' conclusions: This Cochrane review evaluated the clinical benefits and harms of using colchicine for the primary prevention of cardiovascular events in the general population. Comparisons were made against placebo, immunomodulating medications, or usual care or no treatment. However, the certainty of the evidence for the predefined outcomes was very low, highlighting the pressing need for high-quality, rigorous studies to ascertain colchicine's clinical impact definitively. We identified numerous biases and inaccuracies in the included studies, limiting their generalisability and precluding a conclusive determination of colchicine’s efficacy in preventing cardiovascular events. The existing evidence regarding colchicine’s potential cardiovascular benefits or harms for primary prevention is inconclusive owing to the limitations inherent in the current studies. More robust clinical trials are needed to bridge this evidence gap effectively.
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    Interventions for treating acute high altitude illness
    (Wiley, 2018-06-30) ;
    Ingrid Arevalo-Rodriguez
    ;
    Dimelza Osorio
    ;
    Juan VA Franco
    ;
    Yihan Xu
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    Exercise training for adult lung transplant recipients
    (Wiley, 2021-07-20)
    Ruvistay Gutierrez-Arias
    ;
    Maria José Martinez-Zapata
    ;
    Monica C Gaete-Mahn
    ;
    Dimelza Osorio
    ;
    Luis Bustos
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    Identification of mutations on the EMD and EYA4 genes associated with Emery–Dreifuss muscular dystrophy and deafness: a case report
    (Frontiers Media SA, 2023-05-12) ;
    Rita Ibarra-Castillo
    ;
    ; ;
    José Luis Laso-Bayas
    <jats:sec><jats:title>Introduction</jats:title><jats:p>Hearing loss is the most common sensory disability, and it is estimated that 50% of cases are caused by genetic factors. One of the genes associated with deafness is the eyes absent homolog 4 (<jats:italic>EYA4</jats:italic>) gene, a transcription factor related to the development and function of the inner ear. Emery–Dreifuss muscular dystrophy is a rare inherited disease characterized by atrophy and weakness of the humeroperoneal muscles, multi-joint contractures, and cardiac manifestations. It is inherited in an autosomal-dominant, X-linked, or less frequently autosomal recessive manner; one of the genes associated with EDMD is the emerin (<jats:italic>EMD)</jats:italic> gene.</jats:p></jats:sec><jats:sec><jats:title>Case description</jats:title><jats:p>A total of two Ecuadorian siblings aged 57 (Subject A) and 55 (Subject B) were diagnosed with deafness and an unspecified type of muscular dystrophy based on family history and clinical findings. Next-generation sequencing (NGS) using the TruSight Cardio and Inherited Disease kits at the Centro de Investigación Genética y Genómica CIGG, Universidad UTE, was performed. The genetic analyses showed two mutations: a stop mutation in exon 11/20 (NM_004100.4:c.940G&amp;gt;T) of the <jats:italic>EYA4</jats:italic> gene and a missense mutation in exon 6 (NM_000117.2:c.548C&amp;gt;G) of the <jats:italic>EMD</jats:italic> gene.</jats:p></jats:sec><jats:sec><jats:title>Discussion and conclusion</jats:title><jats:p>The <jats:italic>in silico</jats:italic> predictions described the <jats:italic>EYA4</jats:italic> variant as likely pathogenic and the <jats:italic>EMD</jats:italic> variant as a variant of uncertain significance (VUS). Moreover, an ancestry analysis was performed using 46 Ancestry Informative Insertion/Deletion Markers (AIM-InDels), and the ancestral composition of subject A was 46% African, 26.1% European, and 27.9% American Indian ancestry, whereas the ancestral composition of subject B was 41.3% African, 38.2% European, and 20.5% American Indian ancestry. The present case report describes two Ecuadorian siblings with a mainly African ancestral component, muscular dystrophy, and deafness phenotypes. Moreover, using next-generation sequencing (NGS), a mutation in the <jats:italic>EMD</jats:italic> and a novel mutation in <jats:italic>EYA4</jats:italic> genes possibly associated with the subjects' phenotype were identified and discussed.</jats:p></jats:sec>
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    Weighty matters: Unraveling the impact of obesity on colorectal cancer and nutritional interventions
    This narrative review explores the influence of obesity on colorectal cancer, focusing on obesity-related factors, including chronic inflammation, metabolic dysregulation, and gut microbiota imbalance, which collectively create a pro-carcinogenic environment that increases colorectal cancer risk and complicates treatment outcomes. The findings indicate that obesity not only accelerates tumor progression but also presents challenges in colorectal cancer treatment, such as higher rates of surgical complications due to excess adipose tissue and altered pharmacokinetics that can reduce chemotherapy efficacy. Nutritional and lifestyle interventions, particularly weight management and anti-inflammatory nutritional therapies, are highlighted as effective strategies to reduce colorectal cancer risk and support treatment in patients with obesity. The study emphasizes the importance of personalized colorectal cancer treatment approaches for individuals with obesity and calls for public health policies targeting obesity prevention, which could significantly decrease colorectal cancer incidence and healthcare burdens associated with this high-risk population.
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    El papel de las revisiones sistemáticas. Comentarios
    (Ovid Technologies (Wolters Kluwer Health), 2011-11)
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    Leukodepleted Packed Red Blood Cells Transfusion in Patients Undergoing Major Cardiovascular Surgical Procedure: Systematic Review and Meta-Analysis
    (Hindawi Limited, 2019-02-25) ;
    Ingrid Arevalo-Rodriguez
    ;
    Gerard Urrutia
    ;
    Diana Buitrago-Garcia
    ;
    Solange Núñez-González
    <jats:p><jats:italic>Background</jats:italic>. Leukocytes contained in the allogeneic packed red blood cell (PRBC) are the cause of certain adverse reactions associated with blood transfusion. Leukoreduction consists of eliminating leukocytes in all blood products below the established safety levels for any patient type. In this systematic review, we appraise the clinical effectiveness of allogeneic leukodepleted (LD) PRBC transfusion for preventing infections and death in patients undergoing major cardiovascular surgical procedures.<jats:italic>Methods</jats:italic>. We searched randomized controlled trials (RCT), enrolling patients undergoing a major cardiovascular surgical procedure and transfused with LD-PRBC. Data were extracted, and risk of bias was assessed according to Cochrane guidelines. In addition, trial sequential analysis (TSA) was used to assess the need of conducting additional trials. Quality of the evidence was assessed using the GRADE approach.<jats:italic>Results</jats:italic>. Seven studies met the eligibility criteria. Quality of the evidence was rated as moderate for both outcomes. The risk ratio for death from any cause comparing the LD-PRBC versus non-LD-PRBC group was 0.69 (CI 95% = 0.53 to 0.90;<jats:italic>I</jats:italic><jats:sup>2</jats:sup> = 0%). The risk ratio for infection in the same comparison groups was 0.77 (CI 95% = 0.66 to 0.91;<jats:italic>I</jats:italic><jats:sup>2</jats:sup> = 0%). TSA showed a conclusive result in this outcome.<jats:italic>Conclusions</jats:italic>. We found evidence that supports the routine use of leukodepletion in patients undergoing a major cardiovascular surgical procedure requiring PRBC transfusion to prevent death and infection. In the case of infection, the evidence should be considered sufficient and conclusive and hence indicated that further trials would not be required.</jats:p>
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    Cross-sectional study of child and adolescent growth in Ecuador
    (Universidad Nacional de La Plata, 2019-06-18)
    Wilmer Alexander Tarupi
    ;
    Yvan Lepage
    ;
    Roland Hauspie
    ;
    ;
    Claude Monnier
    <jats:p>Child growth is internationally recognized as an important indicator for monitoring health in populations. There exists a wide controversy regarding the use of international growth standards versus local references. This study seeks to construct reference growth curves for school-age Ecuadorian children and adolescents, and to compare them with World Health Organization (WHO) standards, in order to identify the differences and their public health implications. The study authors enrolled 2891 children (1644 girls and 1247 boys) aged 5 to 18 years, from a variety of climatic zones and ethnic groups. LMS method was used to construct Ecuadorian curves for height, weight and Body Mass Index. Comparisons of Ecuadorian and WHO curves were graphically illustrated. U.S children were taller than Ecuadorian children across all age ranges, with larger differences between the two populations in children over 13 years. Consequently, estimates of low height and extremely low height, as well as overweight, obese and undernourished, were significantly different between WHO standards and the Ecuadorian references. Population-specific growth curves may be more adequate for growth monitoring of Ecuadorian children than WHO growth curves. We advocate for the construction of an Ecuadorian growth reference for clinical use based on national population, from conception to maturity, as an accurate instrument for monitoring growth.</jats:p>
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