OBJECTIVE: Bronchiectasis is a chronic respiratory disease characterized by inflammation, irreversible dilation of the bronchi, and recurrent pulmonary infections, with a high morbidity and mortality rate, but is less studied from the point of view of its prevalence and associated factors not directly related to respiratory prognosis. As it is a disease related to the exacerbation of the inflammatory process and oxidative stress, this study searched to investigate the micronucleus frequency in patients with and without bronchiectasis treated at a specialized pulmonology service in a hospital in the extreme south of Brazil. METHODS: Patients with a confirmed tomographic diagnosis of bronchiectasis were defined as cases. Mutagenicity was evaluated by the micronucleus test in patients' oral mucosa cells. Data collection was performed through a questionnaire containing socioeconomic, demographic, lifestyle, and health condition information. RESULTS: Of the 95 patients involved in this study, 21 (22.1%) were diagnosed with bronchiectasis aged between 12 and 89 years. There was no significant difference in the frequency of micronucleus between patients with and without bronchiectasis. There was a significant positive association between age and frequency of micronucleus among patients with bronchiectasis, but this association does not occur among patients without the disease. CONCLUSION: This is the first study to investigate data on the prevalence and clinical and epidemiological aspects of this chronic disease in Brazil, especially those related to the genotoxicity outcome.
Objective: To evaluate the morbidity and mortality of bronchiectasis, its interface with the maintenance of hospitalization rates and unsatisfactory prognostic outcomes, as well as the negative impact on Brazilian public health. Methods: The clinical and epidemiological information came from the IT department of the Brazilian Unified Health System - DataSus, from which the required data was filtered through the SUS - CID10 list of morbidities. Information was sought, in absolute numbers, regarding the hospitalization of bronchiectasis patients, such as gender, age, time and cost of hospitalization, care regime, and the number of deaths due to the disease. Results: From the variables found, it was noted that in the period from January 2008 to February 2020, around 24,087 bronchiectasis patients were hospitalized. 65% of the total number of hospitalizations due to the disease consisted of adults, with a large portion in the productive phase (between 20 and 79 years). 84% of the patients sought health units in an emergency mode and 47% used public services at the time of hospitalization. The Brazilian average length of stay in hospital was estimated at 8.1 days and the cost of the service was around R$ 28 million in the twelve years analyzed. Besides, 698 deaths due to bronchiectasis were recorded in Brazil. Conclusions: Diseases such as bronchiectasis are far from the adequate management that chronic lung diseases require. Despite the significant diagnostic evolution, the etiology and treatment of disease is still questionable, providing unsatisfactory quality of life for bronchiectasis patients.
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