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Related Concept Videos

Asthma-I: Introduction01:29

Asthma-I: Introduction

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Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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Classification of Asthma
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Asthma: Pathogenesis and Management01:20

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Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
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Asthma-II: Pathophysiology and Classification01:26

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
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Other Pulmonary Disorders01:17

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Asthma-IV: Diagnostic and Management01:30

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The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
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Asthma-related deaths in Brazil: data from an ecological study.

Amanda da Rocha Oliveira Cardoso1, Anna Carolina Galvão Ferreira1, Marcelo Fouad Rabahi1

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Asthma deaths in Brazil are rising, particularly among older adults and males, despite a decrease in hospitalizations. This trend highlights an urgent need for targeted public health interventions to manage asthma effectively.

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Area of Science:

  • Public Health
  • Epidemiology
  • Respiratory Medicine

Background:

  • Asthma remains a significant public health concern globally, necessitating continuous monitoring of epidemiological trends.
  • Understanding hospitalization and mortality patterns is crucial for effective disease management and resource allocation.

Purpose of the Study:

  • To analyze epidemiological data on asthma-related hospitalizations and deaths in Brazil over an 11-year period (2013-2023).
  • To identify trends, demographic factors, and correlations associated with asthma morbidity and mortality.

Main Methods:

  • An ecological study design was employed.
  • Data on asthma hospitalizations and deaths were extracted from the Brazilian Unified Health System's Department of Informatics and the Mortality Information System.
  • The study period spanned from 2013 to 2023.

Main Results:

  • Asthma-related deaths exhibited an increasing trend from 2013 to 2023, with a notable surge in 2022.
  • While female asthma mortality rates remained stable, male rates increased. Individuals over 60 years old constituted approximately 65% of all asthma-related deaths.
  • A strong positive correlation was observed between age and the number of deaths, irrespective of sex.
  • Conversely, asthma-related hospitalizations showed a declining trend, decreasing from 134,322 in 2013 to 87,707 in 2023.

Conclusions:

  • Asthma-related mortality in Brazil has increased over the past decade, disproportionately affecting older individuals and males.
  • The findings underscore a divergence between increasing mortality and decreasing hospitalization rates, warranting further investigation into care quality and disease management strategies.