The recommended standard treatment for giant bullae is surgical bullectomy. However, with a relatively high risk for perioperative morbidity and mortality, it is unsuitable for some patients. Recently, bronchoscopic bullectomy with one-way valves has shown efficacy and safety in some cases. Locating the giant bulla and confirming the negative collateral ventilation are essential for the bronchoscopic bullectomy with valves. Here, we report a case with a giant bulla using the Chartis System to correct the previous mislocation by the high-resolution computed tomography (HRCT), thus helping to achieve a great efficacy in the bronchoscopic bullectomy with valves. Our case suggests that bronchoscopic bullectomy with valves could be an effective and safe choice. Chartis system can be helpful in determining the location of a bulla when difficulty is encountered using HRCT. © 2020 Guo et al.Background In patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) complicated by acute kidney injury (AKI) has an acute onset and seriously affects the prognosis of patients. The inflammatory factors are still in doubt in the diagnosis of AECOPD with AKI. Material and Methods This study is a retrospective study. By collecting the plasma concentrations of inflammatory factors IFN-γ, IL-2, IL-4, IL-10, IL-17, and NGAL in patients with AECOPD group, AECOPD plus AKI group, and control group. The expression level of each factor among the three different groups was analyzed, and the correlation of each factor was analyzed. The diagnostic value of each factor in patients with AECOPD combined with AKI was tested. Results A total of 245 cases of AECOPD, 69 cases of AECOPD with AKI, and 50 healthy control group were included in this study. IFN-γ and IL-4 were differentially expressed among the three groups (P less then 0.001). However, there was no difference between the AECOPD group and the AECOPD + AKI group (P = 0.153, and 0.070, respectively). The expression of IL-2, IL-10, IL-17, and NGAL in the three groups were different, and there are statistical differences in pairwise comparisons. (all P values are less then 0.001). The univariate analysis showed that NGAL and IL-10 with the best correlation (r = 0.696). The ROC curve shows that IL-10 and NGAL have better diagnostic value for AECOPD with AKI. Conclusion The inflammatory factor IL-10 combined with NGAL has a better diagnostic value for AECOPD with AKI. © 2020 Wei et al.Objective To evaluate the clinical implementation of pharmacotherapy recommendations for chronic obstructive pulmonary disease (COPD) based on the Global Initiative for chronic obstructive lung disease (GOLD) guidelines, in a longitudinal setting. Methods This is a sub-analysis of a prospective, non-interventional cohort study including patients with confirmed mild-to-very-severe COPD from seven pulmonary outpatient clinics in Switzerland. Follow-up visits took place annually for up to 7 years, from October 2010 until December 2016. For each visit, we evaluated the compliance of the prescribed pharmacotherapy with the concurrently valid GOLD guideline. We investigated whether step-ups or step-downs in GOLD stage or risk-group were accompanied by concordant changes in prescribed medication. Groups were compared via ANOVA. Results Data of 305 patients (62±7 years, 66% men) were analysed. In 59.1% of visits, the prescribed medication conformed to the respective valid GOLD-guideline. Patients with very severe COPD were most likely to receive pharmacotherapy in compliance with guidelines. Step-ups and step-downs in risk group, requiring escalation, or de-escalation of pharmacotherapy, were noticed in 24 and 43 follow-up visits, respectively. Step-ups were adequately implemented in 4 (16.7%) and step-downs in six cases (14.0%). Conclusion The compliance of COPD-pharmacotherapy with GOLD-guidelines is suboptimal, especially in lower risk groups. The high rates of missed out treatment-adjustments suggest that the familiarity of physicians with guidelines leaves room for improvement. © 2020 Grewe et al.Osteoporosis and fragility fractures are relevant health issues because of their impact in terms of morbidity, mortality, and socioeconomic burden. Despite this alarming scenario, both underdiagnosis and undertreatment are common features of osteoporotic patients, particularly those who have already sustained a fragility fracture. Pharmacotherapy of osteoporosis is the main treatment option for these patients because of strong evidence about the efficacy of available drugs targeting bone metabolism. However, several issues can interfere with the effectiveness of anti-osteoporotic drugs in clinical practice, such as lack of awareness of both healthcare providers and patients, poor adherence to therapy, and safety in long-term treatment. Therefore, new therapeutic strategies have been proposed to overcome these problems, such as sequential therapy or emerging molecules mainly targeting the stimulation of bone formation. In particular, abaloparatide has been demonstrated to reduce major nonvertebral fracture risk compared with both placebo and teriparatide, although the European Medicines Agency (EMA) refused the marketing authorization because the benefits of this drug did not outweigh its risks. On the other side, EMA has recently approved romosozumab, a monoclonal antibody directed against sclerostin and the only available therapeutic option targeting Wnt signaling, as both bone-forming and antiresorptive intervention to treat osteoporosis and fragility fractures. © 2020 Iolascon et al.Stroke is currently one of the most common causes of death and disability in the world, and its pathophysiology is a complex process, involving the oxidative stress and inflammatory reaction. Unfortunately, no biochemical factors useful in the diagnostics and treatment of stroke have been clearly established to date. Therefore, researchers are increasingly interested in the inflammatory response triggered by cerebral ischemia and its role in the development of cerebral infarction. see more This article gives an overview of the available literature data concerning the role of pro-inflammatory cytokines in acute stroke. Detailed analysis of their role in cerebral circulation disturbances can also suggest certain immune response regulatory mechanisms aimed to reduce damage to the nervous tissue in the course of stroke. © 2020 Pawluk et al.see more
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