Publications by authors named "Juan J Cruz"

Article Synopsis
  • A study examined the impact of a Mediterranean-lifestyle index (MEDLIFE) on blood pressure (BP) and heart rate (HR) among 2,184 community-dwelling older adults, emphasizing the combined effects of diet and physical activity.
  • Higher MEDLIFE scores, which reflect better adherence to a Mediterranean lifestyle, were linked to lower nighttime systolic BP and HR, suggesting lifestyle factors play a protective role in cardiovascular health.
  • The findings indicate that incorporating Mediterranean dietary habits and physical activity may provide significant BP-related benefits for older adults, prompting future investigation in diverse populations.
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Central (aortic) systolic blood pressure (cSBP) is the pressure seen by the heart, the brain, and the kidneys. If properly measured, cSBP is closer associated with hypertension-mediated organ damage and prognosis, as compared with brachial SBP (bSBP). We investigated 24-hour profiles of bSBP and cSBP, measured simultaneously using Mobilograph devices, in 2423 untreated adults (1275 women; age, 18-94 years), free from overt cardiovascular disease, aiming to develop reference values and to analyze daytime-nighttime variability.

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Specific anti-tumor immune responses have proven to be pivotal in shaping tumorigenesis and tumor progression in solid cancers. These responses can also be of an autoimmune nature, and autoantibodies can sometimes be present even before the onset of clinically overt disease. Autoantibodies can be generated due to mutated gene products, aberrant expression and post-transcriptional modification of proteins, a pro-immunogenic milieu, anti-cancer treatments, cross-reactivity of tumor-specific lymphocytes, epitope spreading, and microbiota-related and genetic factors.

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Background & aims: the last large multicenter study on disease-related malnutrition (DRM) in Spain (the PREDyCES study) showed a 23.7 % prevalence of malnutrition, according to the Nutritional Risk Screening (NRS-2002) tool. The main objective of the SeDREno study was to assess the prevalence of hospital malnutrition upon admission, according to GLIM criteria, ten years later.

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Sporadic Colorectal Cancer (sCRC) is the third leading cause of cancer death in the Western world, and the sCRC patients presenting with synchronic metastasis have the poorest prognosis. Genetic alterations accumulated in sCRC tumor cells translate into mutated proteins and/or abnormal protein expression levels, which contribute to the development of sCRC. Then, the tumor-associated proteins (TAAs) might induce the production of auto-antibodies (aAb) via humoral immune response.

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Soot temperature measurements in laminar flames are often performed through two-color broadband emission pyrometry (BEMI) or modulated absorption/emission (BMAE) techniques, using models to relate the ratio between flame intensities at two different wavelengths with soot temperature. To benefit from wider spectral range and increase the accuracy of experimental estimation of soot temperature, this work proposes a new approach that uses three-color broadband images captured with a basic color camera. The methodology is first validated through simulations using numerically generated flames from the CoFlame code and then used to retrieve soot temperature in an experimental campaign.

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Purpose: Measuring and tracking quality of care is highly relevant in today's health care. The Quality Oncology Practice Initiative (QOPI) program is a referral for evaluating oncology practices worldwide. Excellence and Quality in Oncology Foundation, a collaboration of oncology experts from major Spanish hospitals involved in cancer treatment, reached an agreement with QOPI to include Spanish hospitals in this program.

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Soot emissions from flaming combustion are relevant as a significant source of atmospheric pollution and as a source of nanomaterials. Candles are interesting targets for soot characterization studies since they burn complex fuels with a large number of carbon atoms, and yield stable and repeatable flames. We characterized the soot particle size distributions in a candle flame using the planar two-color time-resolved laser induced incandescence (2D-2C TiRe-LII) technique, which has been successfully applied to different combustion applications, but never before on a candle flame.

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Article Synopsis
  • Patients with coronary heart disease (CHD) treated for hypertension can suffer from hypotension due to antihypertensive medications, making its identification crucial.
  • A study involving 2,892 CHD-treated hypertensive patients found that a significant portion experienced various forms of hypotension, with low diastolic blood pressure being a common cause.
  • Many cases of hypotension detected through ambulatory blood pressure monitoring (ABPM) were missed when only relying on office blood pressure readings, highlighting the need for routine ABPM in these patients.
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Introduction: Air in urban areas is usually contaminated with particle matter. High concentrations lead to a rise in the risk of cardiovascular and respiratory diseases. Some studies have reported that ultrafine particles (UFP) play a greater role in cardiovascular diseases than other particle matter, particularly regarding hypertensive crises and DBP, although in the latter such effects were described concerning clinical blood pressure (BP).

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Nephrotoxicity is an important limitation to the clinical use of many drugs and contrast media. Drug nephrotoxicity occurs in acute, subacute and chronic manifestations ranging from glomerular, tubular, vascular and immunological phenotypes to acute kidney injury. Pre-emptive risk assessment of drug nephrotoxicity poses an urgent need of precision medicine to optimize pharmacological therapies and interventional procedures involving nephrotoxic products in a preventive and personalized manner.

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Prolonged exposure to altitude-associated chronic hypoxia (CH) may cause high-altitude pulmonary hypertension (HAPH). Chronic intermittent hypobaric hypoxia (CIH) occurs in individuals who commute between sea level and high altitude. CIH is associated with repetitive acute hypoxic acclimatization and conveys the long-term risk of HAPH.

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Objectives: Unlike the 2018 European Society of Cardiology/European Society of Hypertension (ESC/ESH) guideline, the 2017 American College of Cardiology/American Heart Association (ACC/AHA) guideline has recommended a shift in hypertension definition from blood pressure (BP) 140/90-130/80 mmHg. Further, they proposed somewhat different indications for antihypertensive medication. No data are available on the comprehensive impact of these guidelines in European countries, where physicians do not always follow guidelines from their own continent.

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Article Synopsis
  • New guidelines from the US and Europe suggest lower targets for office blood pressure treatment, specifically aiming for 130-139/80-89 and less than 130/80 mm Hg.
  • A study of nearly 10,000 hypertensive patients revealed that only 34.4% met these new office BP goals, with significant mortality risk only arising when 24-hour ambulatory BP exceeded the recommended limits.
  • Although many patients had mean office systolic BP controlled under previous guidelines, a substantial portion did not achieve the more stringent ABPM targets, indicating a continued need for monitoring and adjustment in hypertension treatment.
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A therapeutic vaccine for human Chagas disease (American trypanosomiasis caused by Trypanosoma cruzi) is under development based on the success of vaccinating mice with DNA constructs expressing the antigens Tc24 and Tc-TSA-1. However, because DNA and nucleic acid vaccines produce less than optimal responses in humans, our strategy relies on administering a recombinant protein-based vaccine, together with adjuvants that promote Th1-type immunity. Here we describe a process for the purification and refolding of recombinant TSA-1 expressed in Escherichia coli.

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Background: Chronic kidney disease (CKD) is a public health problem worldwide. We aimed to estimate the CKD prevalence in Spain and to examine the impact of the accumulation of cardiovascular risk factors (CVRF).

Material And Methods: We performed a nationwide, population-based survey evaluating 11,505 individuals representative of the Spanish adult population.

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The prognostic impact of mutations and other -related and non-related genes such as and , on sporadic colorectal cancer (sCRC) remain controversial and/or have not been fully established. Here we investigated the frequency of such mutations in primary sCRC tumors and their impact on patient progression-free survival (PFS) and overall survival (OS). Primary tumor tissues from 87 sCRC patients were analysed using a custom-built next generation sequencing (NGS) panel to assess the hotspot mutated regions of (exons 2, 3 and 4), (exon 15) and (all exons).

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Background: Evidence for the influence of ambulatory blood pressure on prognosis derives mainly from population-based studies and a few relatively small clinical investigations. This study examined the associations of blood pressure measured in the clinic (clinic blood pressure) and 24-hour ambulatory blood pressure with all-cause and cardiovascular mortality in a large cohort of patients in primary care.

Methods: We analyzed data from a registry-based, multicenter, national cohort that included 63,910 adults recruited from 2004 through 2014 in Spain.

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Background And Aim: Treatment-resistant hypertension (TRH) is associated with particular clinical features, nonadherence, and suboptimal treatment. We assessed possible associations of antihypertensive drug classes, specific agents inside each class, and types of combinations, with the presence of non-TRH vs. TRH, and with controlled vs.

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Objective: Increased BP-variability predicts cardiovascular morbidity and mortality in hypertensives. This study aimed to examine short-term BP-variability according to renal function stage.

Methods: We included 16 546 patients [10 270 (62.

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