Publications by authors named "Luis M"

The thyroid is a rare site for finding tumor metastases. Renal, colorectal, pulmonary, and mammary origin are the most frequent primary neoplasms. Clinical suspicion, early diagnosis, and active surveillance are important during follow-up.

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Gastric schwannomas and gastrointestinal stromal tumors (GISTs) are two types of mesenchymal tumors, which represent a group of rare tumors of the gastrointestinal tract. The differential diagnosis between these two tumors is difficult given their very similar appearance and clinical features. The authors present a case of a 63-year-old man with melena and epigastric pain.

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An acute injury of the tracheobronchial system is a rare but potentially life-threatening condition that can be caused by medical procedures. Diagnosis requires a thorough evaluation of the patient's medical history, physical examination, and imaging tests. Identification of a tracheal rupture in patients under sedation or general anesthesia may be difficult, and a strong clinical suspicion is essential.

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Forests are essential to climate change mitigation through carbon sequestration, transpiration, and turnover. However, the quantification of climate change impacts on forest growth is uncertain and even contradictory in some regions, which is the result of spatially constrained studies. Here, we use an unprecedented network of 1.

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The inflammation caused by asthma exacerbation can lead to permanent changes in the airways and loss of lung function. Integrins are membrane receptors that interact with components of the extracellular matrix and cell adhesion molecules. It is known that these receptors can be found in soluble form in some conditions such as asthma, but it is unknown if exacerbation during asthma leads to soluble integrins.

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With ongoing global warming, increasing water deficits promote physiological stress on forest ecosystems with negative impacts on tree growth, vitality, and survival. How individual tree species will react to increased drought stress is therefore a key research question to address for carbon accounting and the development of climate change mitigation strategies. Recent tree-ring studies have shown that trees at higher latitudes will benefit from warmer temperatures, yet this is likely highly species-dependent and less well-known for more temperate tree species.

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A new high-resolution climatic gridded dataset was built for Aragón (northeast Spain) using a large collection of daily precipitation and temperature observations from more than 3000 weather stations. The grid covers, at the unprecedented spatial resolution of 0.25 km, daily maximum and minimum temperatures and precipitation in the 1950-2020 period.

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In a world where physical activity and social participation are fundamental pillars of a full and healthy life, confidence in walking has emerged as a fundamental aspect to assess, especially for older adults. Therefore, the purpose of this study was to develop a Portuguese (European) version of the Ambulatory Self-Confidence Questionnaire (ASCQ) that was both linguistically and psychometrically adapted. To do so, a translation method was used, followed by an assessment of its validity and reliability.

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As major terrestrial carbon sinks, forests play an important role in mitigating climate change. The relationship between the seasonal uptake of carbon and its allocation to woody biomass remains poorly understood, leaving a significant gap in our capacity to predict carbon sequestration by forests. Here, we compare the intra-annual dynamics of carbon fluxes and wood formation across the Northern hemisphere, from carbon assimilation and the formation of non-structural carbon compounds to their incorporation in woody tissues.

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Article Synopsis
  • The study applied the 2022 international consensus criteria for optic neuritis (ICON) to 160 patients with acute optic neuritis to assess its effectiveness in classification.
  • About 50% of the patients were classified as definite optic neuritis, while 43% were not classified as having ON, mainly due to the absence of critical symptoms like relative afferent pupillary defect (RAPD) and dyschromatopsia.
  • The adjusted criteria led to a higher classification of 79% of patients as having optic neuritis, highlighting the importance of thorough examinations for accurate diagnosis.*
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Objectives: to assess the University Student Depression Inventory, Brazilian version (USDI-BR), construct.

Methods: a methodological study carried out with a snowball probabilistic sample, consisting of 334 undergraduate and graduate students. Confirmatory factor analysis, reliability using McDonald's omega coefficient and Cronbach's alpha were performed.

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Chlamydiae are a large group of obligate endosymbionts of eukaryotes that includes the Chlamydiaceae family, comprising several animal pathogens. Among Chlamydiaceae, Chlamydia trachomatis causes widespread ocular and urogenital infections in humans. Like many bacterial pathogens, all Chlamydiae manipulate host cells by injecting them with type III secretion effector proteins.

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Background: The enhanced recovery after surgery (ERAS®) is a multimodal perioperative care pathway designed to reduce surgical stress and ultimately improve patient recovery and outcome. It can require significant resources but with proven benefits. The main goal of this study was to perform a diagnostic assessment of perioperative practice in a local colorectal surgical center.

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Liver resection poses many challenges for the anesthesiologist, including intraoperative hemodynamic instability, postoperative pain, and risk of coagulopathy. We report a case of epidural hematoma after epidural catheter removal, following a minor liver single metastasectomy. The main purpose of this case report is to bring to light the false security provided by traditional coagulation parameters and whether further investigation should be considered in selected cases, before handling neuraxial catheters.

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Article Synopsis
  • The future performance of European beech trees is uncertain due to their sensitivity to drought, and there is limited understanding of how climate change impacts their drought vulnerability across different regions.
  • The study uses a drought index to analyze how drought sensitivity of beech’s secondary growth varies over time, revealing that sensitivity is higher in dry environments and can be influenced by climatic conditions as well as tree competition within forests.
  • Results indicate that during severe droughts, beech growth may become less connected to climatic factors, suggesting a potential decline in drought tolerance and highlighting the complexity of the species' response to climate change.
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We utilized an extensive, multisource, cross-border dataset of daily meteorological observations from over 1500 stations in the Pyrenees, spanning from the mid-20th century to 2020, to examine the spatial and temporal climate patterns. Our focus was on 17 indices related to extreme precipitation and temperature events across the mountain range. The original data underwent rigorous quality control and homogenization processes, employing a comprehensive workflow that included spatial modeling based on environmental predictors.

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Article Synopsis
  • The study aimed to compare proliferative (PLN) and membranous (MLN) lupus nephritis (LN) in terms of clinical presentation and long-term health outcomes, focusing on predictors for chronic kidney disease (CKD).
  • A multicenter observational approach involved analyzing data from 260 patients with biopsy-confirmed PLN, MLN, and mixed LN, and used Cox regression to identify CKD predictors over an average follow-up of 8 years.
  • Results indicated that MLN patients generally had better kidney function, with lower serum creatinine and more normalized complement levels, while an estimated glomerular filtration rate (eGFR) of 75 mL/min/1.73 m2 after one year was the strongest
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The increasing demand for highly pure biopharmaceuticals has put significant pressure on the biotechnological industry to innovate in production and purification processes. Nucleic acid purification, crucial for gene therapy and vaccine production, presents challenges due to the unique physical and chemical properties of these molecules. Meeting regulatory standards necessitates large quantities of biotherapeutic agents of high purity.

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Introduction: An increasing aggressiveness in cancer treatment at the end of life (EoL) has been reported in several, but not all, countries. This study aimed to see how aggressive cancer treatment is at the EoL in an oncology center.

Methods: Retrospective study of patients 18 years or older with a solid cancer diagnosis who died in 2017.

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Article Synopsis
  • - The study focused on identifying factors that contribute to prolonged survival in cancer patients admitted to palliative care, specifically those living over one year after admission.
  • - Researchers conducted a retrospective case-control study using electronic records from 2012 to 2018, comparing data from patients who survived over a year to those who survived 6 months or less, identifying 1721 total patients.
  • - Key findings indicated that higher hemoglobin levels and specific creatinine levels positively correlated with longer survival, while conditions like abnormal cognition and liver metastases were linked to shorter lifespans; further research is needed to confirm these results.
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Wood growth is key to understanding the feedback of forest ecosystems to the ongoing climate warming. An increase in spatial synchrony (i.e.

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Objectives: To characterize patients evaluated in our Early Arthritis Clinic (EAC) in the first ten years; to assess diagnostic delay and its underlying causes; and to evaluate the level of agreement between the referring physician and the rheumatologist regarding the presence of referral criteria.

Methods: Cross-sectional study including patients attending EAC between 2012 and 2021. Demographic data, provenience, final diagnosis, referral criteria and time related to diagnosis delay were retrieved from clinical files and the Portuguese Registry of Rheumatic Patients (reuma.

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The wireless backhaul has emerged as an attractive alternative to traditional fiber backhaul for 5G technology, offering greater flexibility and cost-effectiveness thanks to the availability of high bandwidths capable of achieving fiber-like data rates. However, the millimeter-wave-based (mmWave) protocols, namely IEEE 802.11ad and later IEEE 802.

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Connecting vehicles to the Internet is an emerging challenge of wireless networks. There are two competing methods for achieving this. First, the wireless local area network (WLAN) approach is based on the IEEE 802.

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