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Background We performed a systematic review and meta-analysis of the literature to determine the prevalence of delirium in patients receiving noninvasive positive pressure ventilation (NPPV) for acute respiratory failure and to quantify the prognostic impact of delirium with respect to NPPV failure. Method We searched the databases EMBASE (1996 to present), MEDLINE (1996 to present), PsycINFO® (2002...
Background There is little conclusive data regarding the effect of continuous positive airway pressure (CPAP) on glycated hemoglobin (HbA1c). An earlier meta-analysis included two randomized controlled trials (RCTs) and found no significant effect of CPAP on HbA1c. The meta-analysis presented here was conducted to include all relevant observational studies and RCTs on the effect of CPAP on HbA1c....
Purpose Restoring the barrier integrity of the alveolar epithelium after injury is pivotal. In the current study, we evaluated the effects of surfactant, surfactant protein A (SP-A), transforming growth factor β (TGF-β), and analogues of SP-A on alveolar epithelial repair. Additionally, we assessed the influence of microvascular endothelial cells on reepithelialization. Methods Repair was studied...
Background Recent registries describe a significant prevalence of pulmonary arterial hypertension (PAH) in the elderly, but little is known of their characteristics. We aimed to examine the features and prognostic factors of long-term survival in elderly (≥65 years) PAH patients. Methods Clinical, echocardiographic, angiographic, hemodynamic, treatments, and survival data were reviewed in consecutive...
Purpose Recent studies have suggested that pretransplant secondary pulmonary hypertension (PHT) may be associated with worse outcomes following lung transplantation. We sought to determine whether COPD patients with secondary PHT have inferior intensive care outcomes following lung transplantation. Methods This is a single-center, retrospective analysis of all lung transplant recipients between...
Background The clinicopathological and immunohistochemical features of six primary pulmonary primitive neuroectodermal tumors (PNETs) are reported. Methods The patients were four men and two women aged 22–56 years (mean = 32.3 years). The main presenting symptoms included chest pain, shortness of breath, and cough. The tumor size ranged from 4 to 9.6 cm. Results Macroscopically, the tumors were...
Background Obesity has become a global epidemic in the 21st century, and the placement of an intragastric balloon (IB) is a therapeutic modality used to treat it. Our objectives for this study were to evaluate changes in lung function resulting from IB use and to correlate the pattern of body fat distribution with changes in lung function. Methods This was an interventional study with 30 overweight...
Purpose The National Lung Screening Trial (NLST) has renewed interest in low-dose computed tomography (LDCT) screening for lung cancer. Smokers may be less receptive toward LDCT screening, however, compared with never smokers. The views of patients with COPD, a particularly high-risk group, toward LDCT screening for lung cancer are currently unknown. We therefore evaluated attitudes of patients with...
Background Whether systemic inflammation compromises the pulmonary system is largely unknown. We tested the hypothesis that chronic low-grade systemic inflammation damages alveolar wall cells. Methods A chronic low-grade systemic inflammatory state was induced in 8-week-old male C57/BL6J mice by administration of lipopolysaccharide (LPS, 44.4 μg/day) for a 90-day period by subcutaneous implantation...
Cough is the most common complaint for which patients seek medical attention. Although most cases of acute cough, due to viral upper respiratory tract infection, are transient and self-limited, chronic cough often poses a diagnostic and therapeutic challenge. A subgroup of patients suffering from chronic cough will elude a diagnosis despite appropriate evaluation, and will prove refractory to all...
Sclerosing epithelioid fibrosarcoma (SEF) is a rare neoplasm arising mostly in limbs and limb girdles, with a high rate of recurrence and a strong tendency to metastasize. This case study is of a 54-year-old woman with an asymptomatic mass in the upper lobe of the left lung detected by PET-CT when staging for Lynch syndrome-associated colon carcinoma. Histology of the resected tumor showed epithelioid...
Background Multiple ventilatory strategies for acute hypoxemic respiratory failure (AHRF) in children have been advocated, including high-frequency oscillatory ventilation (HFOV). Despite the frequent deployment of HFOV, randomized controlled trials remain elusive and currently there are no pediatric trials looking at its use. Our longitudinal study analyzed the predictive clinical outcome of HFOV...
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