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High-resolution computed tomography (HRCT) is a useful method for quantifying the extent of emphysema. Few reports have mentioned the relationships between HRCT scans and pulmonary function tests in chronic obstructive pulmonary disease (COPD). For diagnosis, COPD requires chronic airflow limitation and emphysema and/or chronic bronchitis. We examined 20 who were previous smokers with middle to moderate...
Chronic obstructive pulmonary disease (COPD) is a leading cause of death worldwide, with a continually rising mortality rate. As COPD is driven by abnormal pulmonary and systemic inflammation, Toll-like receptors (TLRs) seem to be important. TLRs play a key role in innate response, and in particular TLR2 gene polymorphisms Arg677Trp and Arg753Gln have been linked to an increased risk of infection...
Purpose Adverse health effects of work-related contact with respirable hazardous substances are of great public interest. Because related prospective and long-term follow-up studies are rare, the extent of acute and chronic pulmonary health risks of occupational exposure to welding fumes is discussed controversially in the scientific literature. The objective of the present longitudinal study during...
Background Anxiety and depression are common entities in patients diagnosed with COPD. However, the impact that they have on the exacerbation of illness is scarcely studied. Objective To determine if the presence of anxiety and depression is associated with a greater risk of frequent exacerbation (≥2 per year) in patients diagnosed with COPD. Patients and Methods A cohort study that analysed frequent...
Introduction In chronic obstructive pulmonary disease (COPD), there is an activation of the l-arginine nitric oxide pathway. Pulmonary obstruction causes to elevated nitric oxide (NO) levels, which lead to higher production of the NO-inhibiting metabolites asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA). Methods We investigated the association of l-arginine, ADMA, and SDMA...
Purpose Body composition is known to influence the development and progression of chronic respiratory diseases (CRDs). We sought to characterize the unique anthropometric phenotypes that present with asthma, chronic obstructive pulmonary disease (COPD), and chronic bronchitis across four distinct settings in Peru. Methods We collected sociodemographic, clinical history, and spirometry data from...
Introduction Left ventricular systolic dysfunction (LVSD) and cardiac decompensation often accompany AECOPD. Differentiation between the two is difficult and mainly relies on clinical and echocardiographic diagnostic procedures. The value of biomarkers, such as NT-proBNP, as diagnostic tools is still insufficiently investigated. The main goals of this trial were to investigate the value of NT-proBNP...
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