SUMMARY Objectives: To assess knowledge about diabetic foot, care measures, and the importance attached to serial treatment in a group of high-risk diabetic foot patients. METHODS: This is a cross-sectional study, carried out in a tertiary hospital, with 25 patients undergoing serial treatment for diabetic foot. The tabulation of the data occurred through the use of three methodological figures: core idea, key expressions, and the collective subject discourse. RESULTS: It became evident that even among high-risk patients with diabetic foot, there is no complete knowledge about the definition of the disease. Despite this, all participants reported practicing daily care measures, including frequent inspection of the feet, food care, and attention to footwear. Regarding the importance of serial treatment, there was unanimous recognition of the relevance of this practice, which improves self-care discipline, optimizes the understanding of the disease, and helps to prevent progression. CONCLUSIONS: Authentic speeches in the context of a pathology of considerable prevalence manifested, in an unprecedented way, with conceptions about its definition, care measures, and importance of serial treatment in a high-risk group.
Background Chagas disease remains a major cause of cardiovascular death in endemic areas. Focused echocardiography (FoCUS) is a point-of-care means of assessing cardiac function which can be useful for the diagnosis of cardiac involvement. Objective This study aims evaluating the characteristics of validity and reliability of FoCUS applied on Chagas disease patients. Methods Patients with Chagas disease coming from an endemic area were selected from a large cohort (SaMi-Trop). A simplified echocardiogram with only three images was extracted from the conventional echocardiogram performed in this cohort. The images were evaluated by an observer who was blinded to the clinical and echocardiographic data, to determine the accuracy and reliability of FoCUS for cardiac assessment. The analysis constituted of 5 prespecified variables, dichotomized in absence or presence: left ventricular (LV) size and systolic function, right ventricular (RV) size and systolic function, and LV aneurysm. Results We included 725 patients with a mean age of 63.4 ± 12.3 years, 483 (67%) female. Abnormal electrocardiogram was observed in 81.5% of the patients. Left and right ventricular dysfunctions were found in 103 (14%) and 49 (7%) of the patients, respectively. Sensitivity, specificity, positive predictive value and negative predictive value were 84%, 94%, 70% and 97% for LV enlargement and 81%, 93%, 68% and 97% for LV systolic dysfunction, respectively, and 46%, 99%, 60% and 98% for RV dilatation, and 37%, 100%, 100% and 96% for RV dysfunction, respectively. Inter and intraobserver agreement were 61% and 87% for LV enlargement and 63% and 92% for LV dysfunction, respectively, and 50% and 49% for RV size and 46% and 79% for RV dysfunction, respectively. LV apical aneurysm was found in 45 patients (6.2%) with the lowest sensitivity of FoCUS study (11%; 95% CI 2–28%). Conclusions FoCUS showed satisfactory values of validity and reliability for assessment of cardiac chambers in patients with Chagas disease, except for apical aneurysm. This tool can identify heart disease with potential impact on patient management in the limited-resource setting.
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