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Journal of Clinical Oncology ; 40(4 SUPPL), 2022.
Article in English | EMBASE | ID: covidwho-1703623

ABSTRACT

Background: in Mexico, Colorectal Cancer (CRC) is a leading cause of cancer death, yet population-based screening programs are lacking. In our center, a cohort was created to validate a risk calculator to detect advanced colorectal neoplasia, and to understand barriers to implement a CRC screening program. We aimed to determine frequency and reasons associated to rejection of CRC screening in our population. Methods: from August 2019 to March 2020 (early close owing to COVID-19 pandemic) asymptomatic individuals between 50 and 75 years-old with standard-risk for CRC, without previous screening for CRC, from the outpatient internal medicine clinic at a tertiary care center in Mexico City, received standardized information on the importance of CRC screening and were invited to perform both Fecal Immunochemical Test and a screening colonoscopy within a clinical study at no cost. Individuals who rejected participation were given a 10-item questionnaire to select reasons for refusal, as many items as applied. Here we present two groups: 1) individuals who refused to receive information and to perform screening studies, and 2) individuals who refused to participate after receiving information. Results: 162 patients were invited to participate, 77 (47%) refused: 48 rejected immediately (group 1) and provided 51 reasons, and 29 declined after having received standardized information about CRC screening (group 2) and provided 30 reasons. Demographics for 77 patients were: 54 (70.1%) women, median age 66 (IQR 58-71) years. Main reasons for rejection in both groups were: “I do not have time” in 24 (29.6%) times, “I am not interested” in 23 (28.4%) times, and “I am scared” in 14 (17.3%) times (Table). Conclusions: in our cohort, we identified that nearly half of the population invited to participate in a CRC screening program refused. Main reasons were lack of time, lack of interest and fear. This may translate poor understanding on the importance of measures to prevent CRC, and absence of education programs to recall its importance. In order to increment participation in CRC screening, education and awareness campaigns should be implemented. (Table Presented).

2.
Revista Medica del Hospital General de Mexico ; 84(2):64-70, 2021.
Article in English | EMBASE | ID: covidwho-1257507

ABSTRACT

Introduction: The Coronavirus disease (COVID-19) pandemic is a worldwide challenge. There are few useful tools to predict patient outcomes. Identification of biomarkers able to predict progression of the disease could improve the treatment of these patients. Objective: The objective of the study was to identify biomarkers of disease progression among patients with severe COVID-19 pneumonia. Materials and methods: A retrospective cohort study was conducted among severe COVID-19 pneumonia patients hospitalized in the American British Cowdray Medical Center in Mexico City. Disease progression was defined as use of vasoactive amines, need of non-invasive or invasive mechanical ventilation or death. Studied biomarkers included neutrophil/lymphocyte index, lymphocyte/platelet Ratio, C reactive protein, procalcitonin, D Dimer, lactic dehydrogenase (LDH), ferritin, 25–OH–Vitamin D, and interleukin 6. Results: We report 46 patients with severe COVID-19 pneumonia. Mean age was 51 years, the majority of whom 30 (65%) male. Median hospitalization was 9 days. 23 (50%) of patients presented disease progression. Ferritin and LDH were strongly associated with disease progression among our cohort. In addition, age was associated with worst prognosis with a relative risk 4.5 (1.2-16.9, p = 0.003). Conclusions: Age, ferritin, and LDH were associated with disease progression among patients with severe COVID-19 pneumonia.

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