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Transbronchial Cryobiopsy in Diffuse Parenchymal Lung Disease: Retrospective Analysis of 74 Cases, Chest 2017, 151 (2): 400-408 Single-center cohort demonstrated a 51% diagnostic yield from TBC; the rates of pneumothorax and bleeding were 1.4% and 22%, respectively.
The development of biomarker-driven targeted therapy has resulted in substantial benefits for patients with non–small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) mutations, and rearrangements involving the anaplastic lymphoma kinase (ALK) gene or the ROS1 gene. For patients with EGFR-mutant NSCLC EGFR tyrosine kinase inhibitors (eg, gefitinib, erlotinib, and afatinib) have a superior objective response rate and progression-free survival compared with chemotherapy in the first-line setting. For patients who have disease progression on EGFR tyrosine kinase inhibitor and with NSCLC with an EGFR T790M mutation osimertinib has demonstrated a superior response rate and progression-free survival compared with chemotherapy in the second-line setting.4 For patients with ALK rearrangements ALK tyrosine kinase inhibitors (eg, crizotinib, ceritinib) have a superior response rate and progression-free survival compared with chemotherapy in the first-line setting, and for patients who experience disease progression, ceritinib and alectinib have demonstrated clinically relevant response rates and progression-free survival..For patients with ROS1 rearrangements, targeted therapy, is associated with a higher response rate and longer progression-free survival than has been observed with chemotherapy. These molecular alterations are more common in NSCLC with adenocarcinoma histology and in the minority of patients with a light smoking or never smoking history. The success of these targeted therapies in molecularly defined subsets of NSCLC made the development of targeted therapies and identification of predictive biomarkers a focus of thoracic oncology research. Routine molecular testing is now the standard of care for patients with NSCLC with adenocarcinoma histology
Noninvasive Ventilation in Acute Hypoxemic Nonhypercapnic Respiratory Failure: A Systematic Review and Meta-Analysis Noninvasive ventilation decreased endotracheal intubation rates and hospital mortality in acute hypoxemia nonhypercapnic respiratory failure excluding chronic obstructive pulmonary disease exacerbation and cardiogenic pulmonary edema patients. There is no sufficient scientific evidence to recommend bilevel positive airway pressure or helmet due to the limited number of trials available.
Obstructive Sleep Apnoea Accelerates FEV1 Decline in Asthmatic Patients. Asthmatic patients with OSA had substantially greater declines in FEV1 than those without OSA. Moreover, CPAP treatment alleviated the decline of FEV1 in asthma patients with severe OSA
Practical Recommendations for COPD: Evidence-Based Care The treatment of patients with chronic obstructive pulmonary disease (COPD) depends on symptoms and history of exacerbation. These elements define the treatment strategies within the Global Initiative for Chronic Obstructive Lung Disease (GOLD) Guidelines' ABCD assessment tool • Although not taken into account in the ABCD tool, spirometry remains important for the diagnosis and assessment of airflow limitation. Bronchodilators are first-line treatment, either as a single or dual bronchodilator treatment. • The recently available combination of a long-acting beta agonist (LABA) and a long-acting muscarinic receptor antagonist (LAMA) into a single inhaler has demonstrated improvement in lung function, either in combination or with monotherapy. In the SPARK study evaluating indacaterol/glycopyrrolate vs glycopyrronium and tiotropium (LABA/LAMA vs LAMA alone) for the prevention of exacerbation in patients with COPD, the combination therapy was superior to a single bronchodilator as measured by the reduction of exacerbations. • LABA/LAMA was also shown to be superior in the ILLUMINATE study, which compared the patient-reported outcomes and the transition dyspnea index (TDI) for patients on LABA/LAMA with patients on LABA/ICS (inhaled corticosteroid). Data from multiple studies show that ICS-containing regimens can also effectively reduce exacerbation rates. Data from post-hoc analyses of clinical trials suggest that patients with high levels of blood eosinophils may respond better to ICS therapy, whereas patients with very low levels of eosinophils may not respond. ICS therapy is associated with serious side effects, such as pneumonia. In the WISDOM trial, patients who discontinued ICS experienced approximately 40 mL in forced expiratory volume over 1 second (FEV1), indicating that ICS should be withdrawn very carefully in some patients. As exacerbations are more frequent and often more severe in winter months, it is recommended to not withdraw steroids during that period Current evidence suggests that the combination of LABA/LAMA with ICS into a single inhaler will improve lung function, exacerbations, and symptoms Other treatment options besides triple therapy exist for patients who still experience exacerbations after LABA/LAMA treatment. • Roflumilast may be considered in patients with chronic bronchitis. • The use of long-term macrolides is possible in a particular profile subset of patients who have frequent exacerbations with bronchiectasis, bronchial colonization, and frequent bacterial infections.
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