Publications by authors named "Daniele O dos Santos"

Article Synopsis
  • Non-cystic fibrosis bronchiectasis (NCFB) is a complex condition that requires a multidimensional approach for assessing its severity, using various clinical and diagnostic tools.
  • Researchers aimed to investigate the relationship between functional and structural airway assessments, particularly focusing on impulse oscillometry and CT scans, to better understand NCFB severity and related breathing difficulties.
  • The study found that certain airway resistance measures and CT analysis showed significant correlations with severity scores, indicating that these advanced assessment methods effectively evaluate NCFB patients' respiratory health.
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Background: Patients with sepsis and immobility in the intensive care unit are associated with muscle weakness, and early mobilisation can counteract it. However, during septic shock, mobilisation is often delayed due to the severity of the illness. Neuromuscular electrical stimulation (NMES) may be an alternative to mobilise these patients early.

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Impulse oscillometry (IOS) allows evaluation of the compartmentalized resistance and reactance of the respiratory system, distinguishing central and peripheral obstruction. The IOS measurements are getting attention in the diagnosis and differentiation of chronic respiratory diseases. However, no data are available in the literature to differentiate between COPD and BE using IOS parameters.

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Background: Bronchiectasis is characterized by abnormal and permanent dilatation of the bronchi, caused mainly by the progression of inflammatory processes and loss of the ability to remove mucus. Techniques to clear the airways are essential for the treatment of these patients. In this study, we aimed to evaluate the acute effects of oscillatory PEP and thoracic compression on both the clearance of secretions and impedance of airways in subjects with bronchiectasis.

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Article Synopsis
  • Impulse oscillometry is a technique used to assess lung mechanics, differing in mouthpiece design impacts results and user comfort.
  • A study compared three mouthpieces—circular (B1), oval (B2), and a circular with free-flow (B3)—using healthy volunteers to evaluate respiratory measurements and comfort preferences.
  • Results showed significant differences in lung resistance, reactance, and resonant frequencies between mouthpieces, with B1 being most preferred by 10 subjects and B2 by 15, indicating variation in user experience and airway assessment outcomes.
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Background: Bronchiectasis is characterized by pathological and irreversible bronchial dilatation caused by the inefficient mucus and microorganism clearance and progression of inflammatory processes. The most frequent characteristic is the increase in bronchial mucus production resulting in slower transport and damage to the mucociliary transport.

Aims: To evaluate the effects of exercise on mucus transport, inflammation, and resistance of the respiratory and autonomic nervous systems and subsequent effects on quality of life in patients with bronchiectasis who are enrolled in a pulmonary rehabilitation program.

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Hypertension causes cardiac hypertrophy, one of the most important risk factors for heart failure (HF). Despite the importance of cardiac hypertrophy as a risk factor for the development of HF, not all hypertrophied hearts will ultimately fail. Alterations of cytoskeletal and sarcolemma-associated proteins are considered markers cardiac remodeling during HF.

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Hypertension causes cardiac hypertrophy, cardiac dysfunction and heart failure (HF). The mechanisms implicated in the transition from compensated to decompensated cardiac hypertrophy are not fully understood. This study was aimed to investigate whether alterations in the expression of intercalated disk proteins could contribute to the transition of compensated cardiac hypertrophy to dilated heart development that culminates in HF.

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