Publications by authors named "Miguel Vallejo"

Background: Opioids are not recommended for fibromyalgia.

Objective: To investigate the frequency of opioid use in a large cohort of fibromyalgia patients and to identify factors associated with opioid consumption.

Methods: A retrospective, observational study of a large fibromyalgia cohort in a tertiary care center.

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Objectives: To determine the prevalence and characteristics of post-COVID-19 (PC) in fibromyalgia (FM) patients.

Methods: Retrospective, multi-centric, observational study, comparing a group of FM patients (FM group) with another group of patients with other rheumatic diseases (RD group). COVID-19 diagnosis was established by positive polymerase chain reaction or antigen during acute infection or by positive antibodies thereafter.

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Background: The coronavirus pandemic has led to a situation without precedent in modern history. The aim of this study is to analyse the consequences after one year of the pandemic on a group of children and adolescents assessed at the beginning of the pandemic in 2020 and to determine the most effective ways of psychologically coping with this pandemic.

Method: Two different, but equivalent, groups with a total of 604 (study I, 2020) and 743 (study II, 2021) children and adolescents in residential care, foster families, kinship families or family strengthening programs in Spain were evaluated using the SDQ (mental health measure), KIDSCREEN-10 index (quality of life measure) and Kidcope (coping behaviour measure).

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The purpose of this work is to develop a material capable of detecting neutrons produced by photodisintegration in a linear accelerator for its medical use. In this study, we have developed a gel-like material doped with fluorescent organic particles. PPO at 1 wt% is used as primary dopant and POPOP as secondary one at 0.

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Fibromyalgia has a significant impact on the lives of patients; symptoms are influenced by psychological factors, such as psychological flexibility and catastrophizing. The objective of this study was to determine the importance of these variables in moderating the association between the severity and impact of fibromyalgia symptoms. A total of 187 patients from a general hospital population were evaluated using the Combined Index of Severity of Fibromyalgia (ICAF), the Fibromyalgia Impact Questionnaire (FIQ), the Acceptance and Action Questionnaire-II (AAQ-II), and the Pain Catastrophizing Scale (PCS).

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Objectives: To our knowledge, the impact of the COVID-19 pandemic on fibromyalgia (FM) patients has not been studied before. FM patients often experience clinical impairment with stress. The aim of this study was to determine whether severity of FM increases because of confinement by the COVID-19 pandemic.

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Objective: To identify correlates of quality of life (QoL) measured with the Quality of Life Scale (QOLS) in participants of a multidisciplinary day hospital treatment program for fibromyalgia (FM).

Methods: In this cross-sectional, observational study, "real world" data from 480 FM patients including socio-demographics, pain variables and questionnaires such as the SF-36, Beck Depression Inventory (BDI), Multiphasic Pain Inventory (MPI), SCL-90-R and others were categorized according to the components (body structure and function, activities and participation, personal factors, environmental factors) of the International Classification of Functioning (ICF). For every ICF component, a linear regression analysis with QOLS as the dependent variable was computed.

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Background: A pandemic disaster has specific effects on mental health, however, little is known about those specific effects in children and adolescents. Thus, the aim of this study is to describe the psychological impact of the COVID-19 pandemic on a sample of children and adolescents and to compare the results with previous national data and other studies to determine variations.

Method: A total of 459 children and adolescents in residential care, foster families, kinship families, or family strengthening programs under SOS Children's Villages Spain were evaluated using the SDQ to measure internalizing and externalizing problems and using KIDSCREEN-10 index to measure heath related quality of life.

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Introduction: Patient education is an important part of the management of rheumatic and musculoskeletal diseases. Given that patients with diverse diseases do not have the same needs, it is crucial to assess the educational requirements of targeted groups to provide tailored educational interventions. The aim of our study was to assess educational needs of a large cohort of patients with different rheumatic and musculoskeletal diseases attending a health facility in Austria.

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Objectives: Forgiveness influences health through numerous mechanisms, but commonly it is thought to reduce stress, increase healthy behaviour, and promote social support, thereby positively impacting health and wellbeing. Self-forgiveness has been given considerable attention in relation to health and wellbeing. Fibromyalgia (FM) patients had lower forgiveness of others and self-forgiveness as compared to controls.

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Objectives: Widespread pain is important for the diagnosis of fibromyalgia (FM). For this purpose, the sum of pain regions obtained from a topographical distribution has been used to compute a Widespread Pain Index (WPI), but there is no empirical basis for choosing the regions. The aim of this study was to find an empirical distribution of the pain regions.

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Lithium triborate LiB₃O:Eu has been prepared by precipitation assisted high-temperature solid state (PAS) reaction method using lithium hydroxide (LiOH), boric acid (H₃BO₃) and europium chloride (EuCl₃). The as prepared powders were calcined at various temperatures. As prepared and calcined powders were characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectrometry (EDS), UV-Vis spectrometry and Photoluminescence (PL).

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Lithium tetraborate (Li2B4O7) pellets prepared by using water/solution assisted method were synthesized and characterized. Copper was used as doping material in order to enhance the Li2B4O7 thermoluminescent properties. For synthesis heating temperature parameters were defined at 750 °C for 2 hr, followed by 150 °C for another 2 hr.

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Stress perception depends on cultural and social aspects that vary from one country to another. One of the most widely disseminated methods of assessing psychological stress is the Perceived Stress Scale (PSS-4). Therefore, in order to identify these factors and their impact on mental health, the present study compares the PSS-4 results among three European countries (Great Britain, France and Spain).

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Objective Experiencing pain not only affects patients' biopsychosocial functioning but also the existential domain. Attention to the existential, in addition to the biopsychosocial domains, might thus be important in chronic pain care. Therefore, we investigated: (a) how satisfied patients were with the attention of their practitioners to the impact of pain on biological, psychological, social, and existential life domains, and (b) how satisfaction with each domain was related to patient functioning.

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The objectives of this study are to describe appropriateness and drug treatment of comorbidities in fibromyalgia (FM). Cross-sectional study of a group of patients. Number of drugs, indication, duration and appropriateness of prescriptions were evaluated.

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Objectives: We compared the magnitude and direction of associations between forgiveness and pain, mental and physical health, quality of life, and anger in a sample of fibromyalgia syndrome (FM) participants and healthy controls. In addition, we compared FM and controls on mean levels of these variables.

Materials And Methods: A total of 173 individuals with FM and 81 controls completed this study.

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Objective: We have observed, in several studies, high rates of psychiatric disorders and traumatic childhood experiences in people who are deprived of their freedom in prison institutions. The aim of the study was to assess the prevalence of different types of adverse childhood experiences and the prevalence of psychiatric disorders in patient-internal male in a prison psychiatric institution.

Materials And Methods: An epidemiological study was conducted between March and July 2011 in which 59 inmates-patients were evaluated in the observation room and Psychiatric Evaluation (SOEP) of the unit 20 in the Central Psychiatric Service Men, which was located on the campus of J.

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Acute or chronic exposure to ionizing radiation is a factor that may be hazardous to health. It has been reported that exposure to low doses of radiation (less than 50 mSv/year) and subsequently exposure to high doses produces greater effects in people. It has been reported that people who have been exposed to low doses of radiation (less than 50 mSv/year) and subsequently are exposed to high doses, have greater effects.

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Objective: To determine the characteristics of users of a smoking cessation programme run by the Open University of Spain (Universidad Nacional de Educación a Distancia [UNED]).

Methods: We examined the demographic, psychological and smoking characteristics of 23,763 smokers who participated in the on-line smoking cessation program of the UNED. The programme was open to any smoker, free of charge, and was fully automated and with direct access.

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Background: The aim of this study was to explore the effectiveness of Internet-delivered cognitive-behavioral therapy (iCBT) in treating fibromyalgia (FM) compared with an identical protocol using conventional group face-to-face CBT.

Methods: Sixty participants were assigned to either (a) the waiting list group, (b) the CBT group, or (c) the iCBT group. The groups were assessed at baseline, after 10 weeks of treatment, and at 3-, 6-, and 12-month follow-ups.

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A novel direct D-bar reconstruction algorithm is presented for reconstructing a complex conductivity distribution from 2-D EIT data. The method is applied to simulated data and archival human chest data. Permittivity reconstructions with the aforementioned method and conductivity reconstructions with the previously existing nonlinear D-bar method for real-valued conductivities depicting ventilation and perfusion in the human chest are presented.

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Background: The Internet is an optimal setting to provide massive access to tobacco treatments. To evaluate open-access Web-based smoking cessation programs in a real-world setting, adherence and retention data should be taken into account as much as abstinence rate.

Objective: The objective was to analyze the usage and effectiveness of a fully automated, open-access, Web-based smoking cessation program by comparing interactive versus noninteractive versions.

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Objectives: To estimate the burden and to prospectively analyse resources utilisation and costs in a cohort of treated patients with fibromyalgia (FM) in daily practice.

Methods: Prospective, observational, multicentre, 3-month study in 232 patients with FM according to the ACR criteria (98% women, 47 years), with no concomitant systemic diseases, followed in rheumatology units. The control group consisted of 110 subjects without FM or any other systemic condition, paired by age and gender.

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Introduction: The HADS is a questionnaire widely used to evaluate anxiety and depression, although its use in fibromyalgia patients has not yet been reported. The aim of this study is to know the usefulness of the HADS to evaluate the emotional aspects related to fibromyalgia patients.

Methods: This paper studies a sample of 301 fibromyalgia patients.

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