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'meta regression analysis'
Reduced COPD exacerbation risk correlates with improved FEV1: A meta-regression analysis. A significant correlation between increased FEV1 and lower COPD exacerbation risk suggests airway patency is an important mechanism responsible for this effect
Diagnostic Yield and Complications of Transbronchial Lung Cryobiopsy for Interstitial Lung Disease. A Systematic Review and Metaanalysis The diagnostic accuracy of transbronchial lung cryobiopsy cannot be determined given the absence of studies directly comparing cryobiopsy diagnoses with diagnoses derived from surgical lung biopsies interpreted within multidisciplinary discussions. The histopathological and multidisciplinary discussion-based diagnostic yield of transbronchial cryobiopsy appears high, but with variable frequencies of complications dominated by pneumothorax and moderate-to-severe hemorrhage.
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 Apnea and Diabetes Obstructive sleep apnea (OSA) is a chronic treatable sleep disorder and a frequent comorbidity in patients with type 2 diabetes. Cardinal features of OSA, including intermittent hypoxemia and sleep fragmentation, have been linked to abnormal glucose metabolism. The relationship between OSA and type 2 diabetes may be bidirectional in nature given that diabetic neuropathy can affect central control of respiration and upper airway neural reflexes promoting sleep-disordered breathing. Despite the strong association between OSA and type 2 diabetes, the effect of treatment with continuous positive airway pressure (CPAP) on markers of glucose metabolism has been conflicting. Variability with CPAP adherence may be one of the key factors behind these conflicting results. Lastly, accumulated data suggests an association between OSA and type 1 diabetes as well as gestational diabetes.
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