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BACKGROUND: Febrile neutropenia associated with some chemotherapy regimens can lead to potentially fatal complications and high health care costs. Administration of pegfilgrastim using an On-Body Injector (OBI) may be more convenient for cancer patients and physicians in countries with limited access to high-complexity healthcare. This study aims to describe physician and nurse preferences regarding different options for administration of pegfilgrastim at cancer centers, the chemotherapy schemes for which pegfilgrastim is most frequently prescribed and how healthcare providers prioritize certain administration schemes according to patients' access to healthcare services. METHODS: Observational, descriptive, cross-sectional study and survey, conducted between 2019 and 2020, to describe physician and nurse preferences regarding options for administration of pegfilgrastim at cancer centers, the demographics of the study population and characteristics of participating cancer centers. It included 60 healthcare professionals practicing at oncology centers from 8 cities in Colombia who were contacted and surveyed via telephone. Quantitative continuous variables were summarized using central tendency and dispersion measures. RESULTS: It was found that 35% of participants are haemato-oncologists, oncologists or hematologists, 30% are general practitioners, and 35% are other healthcare professionals (i.e., nurse, oncology nurse and head nurse). Our study shows that 48% of physicians prefer the use of OBI, particularly in the scheme of 24 h after myelosuppressive chemotherapy administrations. Regardless of patient frailty and travel time to the clinic, over 90% of healthcare providers (HCPs) prefer to prioritize preventing the patient from having to return to the clinic for pegfilgrastim administration as well as to increase healthcare staff availability through the use of OBI. CONCLUSIONS: The present study is the first one in Colombia that sought the reasons behind HCPs' choice to use OBI pegfilgrastim. Our results indicate that most professionals prefer to avoid the patient having to re-enter the care center for pegfilgrastim administration to facilitate access to healthcare for patients; patient characteristics and ease of transport are determining factors for respondents when choosing an option for drug administration. We found OBI is the preferred alternative by most HCPs and a good resource optimization strategy in the context of cancer patients' health care in Colombia.

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OBJECTIVE: Rheumatoid arthritis (RA) is the most common autoimmune arthropathy worldwide. The increased prevalence of cardiovascular disease (CVD) in RA is not fully explained by classic risk factors. The aim of this study was to determine the influence of rs1058587 SNP within GDF15(MIC1) gene on the risk of CVD in a Colombian RA population. METHODS: This was a cross-sectional analytical study in which 310 consecutive Colombian patients with RA and 228 age- and sex-matched controls were included and assessed for variables associated with CVD. The mixed cluster methodology based on multivariate descriptive methods such as principal components analysis and multiple correspondence analyses and regression tree (CART) predictive model were performed. RESULTS: Of the 310 patients, 87.4% were women and CVD was reported in 69.5%. Significant differences concerning GDF15 polymorphism were not observed between patients and controls. Mean arterial pressure, current smoking, and some clusters were significantly associated with CVD. CONCLUSION: GDF15 (rs1058587) does not influence the development of CVD in the population studied.

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OBJECTIVES: To determine the prevalence and the predictive factors of autoimmune hypothyroidism (AH) within a systemic lupus erythematosus (SLE) cohort and to analyse the current information concerning the prevalence and impact of autoimmune thyroid disease (AITD) and thyroid autoimmunity in patients with SLE. METHODS: A total of 376 patients with SLE were assessed for the presence of the following: (i) confirmed AH, (ii) positive thy-roperoxidase/thyroglobulin antibodies [TPOAb/TgAb] without hypothyroidism, (iii) nonautoimmune hypothyroidism and (iv) SLE patients with neither. Multivariate analysis and a classification and regression tree model were used to analyse data. The current information was discussed through a systematic literature review (SLR). RESULTS: In our cohort, the prevalence of confirmed AH was 12%. However, in euthyroid patients with SLE, TPOAb and TgAb were observed in 21% and 10%, respectively. Patients with confirmed AH were significantly older and had later age at onset of the disease. Smoking (adjusted odds ratio (AOR) 6·93, 95% CI 1·98-28·54, P = 0·004), Sjögren's Syndrome (SS) (AOR 23·2, 95% CI 1·89-359·53, P = 0·015) and positivity for anticyclic citrullinated peptide (anti-CCP) (AOR 10·35, 95% CI 1·04-121·26, P = 0·047) were associated with AH-SLE, regardless of gender and duration of the disease. Smoking and SS were confirmed as predictors of AH-SLE. In the SLR, the prevalence of AITD ranged from 1% to 60%. The factors associated with this polyautoimmunity were female gender, older age, smoking, certain autoantibodies, SS, and cutaneous and articular involvement. CONCLUSIONS: AITD is frequent in SLE and does not affect the severity of SLE. Identified risk factors will assist clinicians in the search for AITD. Our results encourage smoke-free policies in patients with SLE.

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OBJECTIVE: To evaluate the prevalence and factors associated with non-erosive rheumatoid arthritis (RA). METHODS: First, a cross-sectional analytical study was performed. Non-erosive disease, defined as the absence of any erosion on X-rays after 5 years of RA, was evaluated in 500 patients. Further and additional evaluations including ultrasonography (US) and computed tomography (CT) were performed in those patients meeting the eligibility criteria. The Spearman correlation coefficient, kappa analysis, and Kendall׳s W test were used to analyze the data. Second, a systematic literature review (SLR) was performed following the PRISMA guidelines. RESULTS: Of a total of 40 patients meeting the eligibility criteria for non-erosive RA, eight patients were confirmed to have non-erosive RA by the three methods. A positive correlation between non-erosive RA and shorter disease duration, antinuclear antibodies positivity, lower rheumatoid factor (RF) and C-reactive protein titers, lower global visual analog scale values, toxic exposures, and lower disease activity-(RAPID3) was found. In addition, an inverse correlation with anticyclic citrullinated peptide antibodies (ACPA) positivity and medication use was observed. From the SLR, it was corroborated that factors associated with this subphenotype were shorter disease duration, younger disease onset, negative ACPA and RF titers, low cytokine levels, and some genetic markers. CONCLUSION: Non-erosive RA is rare, occurring in less than 2% of cases. These findings improve on the understanding of RA patients who present without erosions and are likely to have less severe disease.

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Objectives: To assess the impact of educational level on rheumatoid arthritis through a systematicreview of the literature and assessing the age at onset, the educational level as riskfactor, and to identify outcomes related to educational level and rheumatoid arthritis.Methods: A systematic review was performed using PubMed, SciELO and LILACS as databases in order to identify original articles written in English, Portuguese or Spanish thatused accepted classification criteria for rheumatoid arthritis and a comparison was madebetween educational level and outcomes of rheumatoid arthritis. Final articles were identifiedby two independent reviewers and three blinded reviewers created a new list andextracted data from selected studies. Each record was classified based on the quality scoreof the studies.Results: Through the systematic review of the literature, the factors and outcomes relatedto educational level and rheumatoid arthritis identified were: the risk of developing the disease,radiographic progression, depression and anxiety, work disability, functional disability,quality of life, and mortality.Conclusion: The information available in the literature about the impact of the educationallevel in several outcomes related to rheumatoid arthritisis variable. Only work disability isan outcome related to a low education level in all the articles reviewed...

ObjetivosEvaluar el impacto del nivel educativo sobre la artritis reumatoide a través de una revisión sistemática de la literatura analizando la edad de inicio, el nivel educativo como factor de riesgo e identificando los desenlaces relacionados con el nivel educativo y la artritis reumatoide.MétodosSe realizó una revisión sistemática en PubMed, SciELO y LILACS como bases de datos con el fin de identificar artículos originales en inglés, portugués o español, que utilizaban criterios de clasificación aceptados para artritis reumatoide y comparaban el nivel educativo con diferentes desenlaces de la enfermedad. Los artículos finales fueron identificados por 2 revisores independientes. Tres revisores ciegos crearon una lista y extrajeron los datos de los estudios seleccionados. Cada registro fue clasificado en función de la calidad de los estudios.ResultadosLos factores y desenlaces identificados relacionados con el nivel educativo y artritis reumatoide fueron el riesgo de desarrollar la enfermedad, la progresión radiográfica, depresión y ansiedad, incapacidad laboral, incapacidad funcional, calidad de vida y mortalidad.ConclusiónLa información disponible en la literatura sobre el impacto del nivel educativo en la artritis reumatoide en los diferentes desenlaces encontrados es variable. Solo la discapacidad funcional es un desenlace relacionado con bajo nivel educativo en todos los artículos encontrados...

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OBJECTIVES: To examine the prevalence and associated factors related to the coexistence of antiphospholipid syndrome (APS) and systemic lupus erythematosus (SLE) in a cohort of Colombian patients with SLE, and to discuss the coexistence of APS with other autoimmune diseases (ADs). METHOD: A total of 376 patients with SLE were assessed for the presence of the following: 1) confirmed APS; 2) positivity for antiphospholipid (aPL) antibodies without a prior thromboembolic nor obstetric event; and 3) SLE patients without APS nor positivity for aPL antibodies. Comparisons between groups 1 and 3 were evaluated by bivariate and multivariate analysis. RESULTS: Although the prevalence of aPL antibodies was 54%, APS was present in just 9.3% of SLE patients. In our series, besides cardiovascular disease (AOR 3.38, 95% CI 1.11-10.96, p = 0.035), pulmonary involvement (AOR 5.06, 95% CI 1.56-16.74, p = 0.007) and positivity for rheumatoid factor (AOR 4.68, 95%IC 1.63-14.98, p = 0.006) were factors significantly associated with APS-SLE. APS also may coexist with rheumatoid arthritis, Sjögren's syndrome, autoimmune thyroid diseases, systemic sclerosis, systemic vasculitis, dermatopolymyositis, primary biliary cirrhosis and autoimmune hepatitis. CONCLUSIONS: APS is a systemic AD that may coexist with other ADs, the most common being SLE. Awareness of this polyautoimmunity should be addressed promptly to establish strategies for controlling modifiable risk factors in those patients.

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The prevalence of cardiovascular disease (CVD) in antiphospholipid syndrome (APS) varies from one series to another depending on the definition of CVD and tools used for its detection. Atherosclerosis, the usual cause of CVD, starts when the endothelium becomes damaged and is considered to be an autoimmune-inflammatory disease. The excessive cardiovascular events observed in patients with APS are not fully explained by traditional risk factors. Therefore, several novel risk factors contribute to the development of premature CVD and accelerated vascular damage in those patients. Herein, the significance and outcomes of CVD in APS are reviewed.

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Autoimmune diseases (AD) represent a broad spectrum of chronic conditions that may afflict specific target organs or multiple systems with a significant burden on quality of life. These conditions have common mechanisms including genetic and epigenetics factors, gender disparity, environmental triggers, pathophysiological abnormalities, and certain subphenotypes. Atherosclerosis (AT) was once considered to be a degenerative disease that was an inevitable consequence of aging. However, research in the last three decades has shown that AT is not degenerative or inevitable. It is an autoimmune-inflammatory disease associated with infectious and inflammatory factors characterized by lipoprotein metabolism alteration that leads to immune system activation with the consequent proliferation of smooth muscle cells, narrowing arteries, and atheroma formation. Both humoral and cellular immune mechanisms have been proposed to participate in the onset and progression of AT. Several risk factors, known as classic risk factors, have been described. Interestingly, the excessive cardiovascular events observed in patients with ADs are not fully explained by these factors. Several novel risk factors contribute to the development of premature vascular damage. In this review, we discuss our current understanding of how traditional and nontraditional risk factors contribute to pathogenesis of CVD in AD.

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Objective. This study was performed to determine the prevalence of and associated risk factors for cardiovascular disease (CVD) in Latin American (LA) patients with systemic lupus erythematosus (SLE). Methods. First, a cross-sectional analytical study was conducted in 310 Colombian patients with SLE in whom CVD was assessed. Associated factors were examined by multivariate regression analyses. Second, a systematic review of the literature on CVD in SLE in LA was performed. Results. There were 133 (36.5%) Colombian SLE patients with CVD. Dyslipidemia, smoking, coffee consumption, and pleural effusion were positively associated with CVD. An independent effect of coffee consumption and cigarette on CVD was found regardless of gender and duration of disease. In the systematic review, 60 articles fulfilling the eligibility criteria were included. A wide range of CVD prevalence was found (4%-79.5%). Several studies reported ancestry, genetic factors, and polyautoimmunity as novel risk factors for such a condition. Conclusions. A high rate of CVD is observed in LA patients with SLE. Awareness of the observed risk factors should encourage preventive population strategies for CVD in patients with SLE aimed at facilitating the suppression of cigarette smoking and coffee consumption as well as at the tight control of dyslipidemia and other modifiable risk factors.

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Since cardiovascular disease (CVD) is the most common cause of mortality in patients with rheumatoid arthritis (RA), we aimed to determine factors associated with such a complication in a large series of Colombian patients. This was a cross-sectional analytical study in which 800 consecutive Colombian patients with RA were assessed for variables associated with CVD. Furthermore, a systematic literature review was performed to address the state of the art about non-traditional risk factors for CVD in RA. The preferred reporting items for systematic reviews and meta-analyses guidelines were followed in data extraction, analysis, and reporting of articles selected. Hypercholesterolemia, type 2 diabetes mellitus, abnormal body mass index, abdominal obesity, and current smoking were all traditional risk factors significantly associated with CVD in Colombians. As non-traditional risk factors, familial autoimmunity, more than 10 years of duration of the disease, patients working on household duties, use of systemic steroids, and low education level were associated with CVD in the studied population. Out of a total of 9,812 articles identified in PubMed and Scopus databases, 140 fulfilled the eligibility criteria and were included. Through this systematic review, several factors and outcomes related to CVD were confirmed and identified. These were categorized into genetics, RA-related, and others. Traditional risk factors do not completely explain the high rates of CVD in patients with RA; thus, novel risk factors related to autoimmunity are now recognized predicting the presence of CVD as strong as traditional risk factors. Our results may assist health professionals and policymakers in making decisions about CVD in patients with RA.

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