Lozano Vicario, Lucía
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Lozano Vicario
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Lucía
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Ciencias de la Salud
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Publication Open Access Effectiveness of a multicomponent exercise training program for the management of delirium in hospitalized older adults using near-infrared spectroscopy as a biomarker of brain perfusion: study protocol for a randomized controlled trial(Frontiers Media, 2022) Lozano Vicario, Lucía; Zambom Ferraresi, Fabíola; Zambom Ferraresi, Fabrício; Casa Marín, Antón de la; Ollo Martínez, Iranzu; López Sáez de Asteasu, Mikel; Cedeño Veloz, Bernardo Abel; Fernández Irigoyen, Joaquín; Santamaría Martínez, Enrique; Romero Ortuno, Román; Izquierdo Redín, Mikel; Martínez Velilla, Nicolás; Ciencias de la Salud; Osasun ZientziakDelirium is an important cause of morbidity and mortality in older adults admitted to hospital. Multicomponent interventions targeting delirium risk factors, including physical exercise and mobilization, have been shown to reduce delirium incidence by 30–40% in acute care settings. However, little is known about its role in the evolution of delirium, once established. This study is a randomized clinical trial conducted in the Acute Geriatric Unit of Hospital Universitario de Navarra (Pamplona, Spain). Hospitalized patients with delirium who meet the inclusion criteria will be randomly assigned to the intervention or the control group. The intervention will consist of a multicomponent exercise training program, which will be composed of supervised progressive resistance and strength exercise over 3 consecutive days. Functional Near-Infrared Spectroscopy (NIRS) will be used for assessing cerebral and muscle tissue blood flow. The objective is to assess the effectiveness of this intervention in modifying the following primary outcomes: duration and severity of delirium and functional status. This study will contribute to determine the effectiveness of physical exercise in the management of delirium. It will be the first study to evaluate the impact of a multicomponent intervention based on physical exercise in the evolution of delirium.Publication Open Access Effect of immunology biomarkers associated with hip fracture and fracture risk in older adults(BMC, 2023) Cedeño Veloz, Bernardo Abel; Lozano Vicario, Lucía; Zambom Ferraresi, Fabrício; Fernández Irigoyen, Joaquín; Santamaría Martínez, Enrique; Rodríguez-García, Alba; Romero Ortuno, Román; Mondragón Rubio, Jaime; Ruiz-Ruiz, Javier; Ramírez Vélez, Robinson; Izquierdo Redín, Mikel; Martínez Velilla, Nicolás; Ciencias de la Salud; Osasun Zientziak; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaOsteoporosis is a skeletal disease that can increase the risk of fractures, leading to adverse health and socioeconomic consequences. However, current clinical methods have limitations in accurately estimating fracture risk, particularly in older adults. Thus, new technologies are necessary to improve the accuracy of fracture risk estimation. In this observational study, we aimed to explore the association between serum cytokines and hip fracture status in older adults, and their associations with fracture risk using the FRAX reference tool. We investigated the use of a proximity extension assay (PEA) with Olink. We compared the characteristics of the population, functional status and detailed body composition (determined using densitometry) between groups. We enrolled 40 participants, including 20 with hip fracture and 20 without fracture, and studied 46 cytokines in their serum. After conducting a score plot and two unpaired t-tests using the Benjamini-Hochberg method, we found that Interleukin 6 (IL-6), Lymphotoxin-alpha (LT-α), Fms-related tyrosine kinase 3 ligand (FLT3LG), Colony stimulating factor 1 (CSF1), and Chemokine (C-C motif) ligand 7 (CCL7) were significantly different between fracture and non-fracture patients (p < 0.05). IL-6 had a moderate correlation with FRAX (R2 = 0.409, p < 0.001), while CSF1 and CCL7 had weak correlations with FRAX. LT-α and FLT3LG exhibited a negative correlation with the risk of fracture. Our results suggest that targeted proteomic tools have the capability to identify differentially regulated proteins and may serve as potential markers for estimating fracture risk. However, longitudinal studies will be necessary to validate these results and determine the temporal patterns of changes in cytokine profiles.Publication Open Access Biomarkers of delirium risk in older adults: a systematic review and meta-analysis(Frontiers Media, 2023) Lozano Vicario, Lucía; García Hermoso, Antonio; Cedeño Veloz, Bernardo Abel; Fernández Irigoyen, Joaquín; Santamaría Martínez, Enrique; Romero Ortuno, Román; Zambom Ferraresi, Fabrício; López Sáez de Asteasu, Mikel; Muñoz-Vázquez, Ángel Javier; Izquierdo Redín, Mikel; Martínez Velilla, Nicolás; Ciencias de la Salud; Osasun ZientziakDelirium is a neuropsychiatric syndrome associated with increased morbidity and mortality in older patients. The aim of this study was to review predictive biomarkers of delirium in older patients to gain insights into the pathophysiology of this syndrome and provide guidance for future studies. Two authors independently and systematically searched MEDLINE, Embase, Cochrane Library, Web of Science and Scopus databases up to August 2021. A total of 32 studies were included. Only 6 studies were eligible for the meta-analysis, pooled results showed a significant increase in some serum biomarkers (C-reactive protein [CRP], tumour necrosis factor alpha [TNF-α] and interleukin-6 [IL-6]) among patients with delirium (odds ratio = 1.88, 95% CI 1.01 to 1.637; I2 = 76.75%). Although current evidence does not favour the use of any particular biomarker, serum CRP, TNF-α, and IL-6 were the most consistent biomarkers of delirium in older patients.