Comparison of Parasympathetic Activity in Mild, Moderate, and Severe Asthma With Fixed Airway Obstruction
In asthma, the significant role of pathogenesis is chronic airway inflammation, bronchial hyperresponsiveness, and variable airflow obstruction. Asthma with irreversible or fixed airflow obstruction (FAO) is a clinical phenotype resulting from chronic airway inflammation with having longer disease duration, suggesting that airway remodeling contributes to the decline in lung function seen in individuals with asthma. Although this condition frequently occurs in patients with severe asthma, there are pieces of evidence occurring in those with mild to moderate asthma. According to previous research, low lung function, FEV1 less than 60% predicted, is a robust independent predictor of subsequent asthma attacks and other asthma outcomes, including asthma control and SABA use. In a recent study, the patients with mild to moderate asthma who received mild to medium dosed inhaled corticosteroid plus long-acting beta-2 agonist with or without asthma control showed evidence of FAO with or without bronchodilator reversibility. Therefore parasympathetic activity may be affected by FAO in those patients. The autonomic nervous system plays an essential role in asthma, especially from the parasympathetic, promoting bronchoconstriction and regulating airway inflammation and remodeling. This study hypothesizes that a cholinergic mechanism may play a significant role in FAO across patients with mild, moderate, and severe asthma. This might increase the fundamental evidence leading to early-step treatment with anti-cholinergic medication in early asthma severity driven by FAO.
The Comparison of Diagnostic Yield Between Routine Computed Tomography and Colonoscope in Detecting Colorectal Tumors in Patients Who at Risk of Colorectal Cancer
Colonoscopy is the mainstay modality of choice in colorectal cancer screening worldwide. However, the rate of colonoscopy for colorectal cancer screening is very low (approximately 5-10%) because of the limited local medical resources (such as endoscopists and regional endoscope). This observational diagnostic test study aims to compare the diagnostic yield of routine computed tomography and colonoscopy in detecting colorectal tumors in patients at risk of colorectal cancer (aged more than 50 years and FIT+). The main question[s] it aims to answer are:
1. To compare the diagnostic yield between the routine computed tomography and colonoscopy.
2. To compare the procedure-related adverse events between the routine computed tomography and colonoscopy.
Awareness of the Need for the Evaluation of Iron Status Among Hospitalized Patients With Acute Upper Gastrointestinal Bleeding.
BACKGROUND: Data on the awareness of the need to evaluate iron status and IDA prevalence in acute UGIB are limited.
OBJECTIVES: This study aimed to investigate the rate of evaluation of iron status and prevalence of iron deficiency anemia (IDA) and the associated factors in patients with anemia hospitalized for acute upper gastrointestinal bleeding (UGIB).
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