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Filter by:Methods: Prospective observational study in adult patients requiring preoperative evaluation Objectives: To determine the correlation between the aortic pulse wave velocity (AoPWV) and the distance walked in the 6-minute walk test (6MWT) Sample Size: For a desired precision of estimate of ± 0.10 (95% confidence interval) around a postulated validity correlation coefficient of r = 0.70 (for an AoPWV in the distance prediction of 6MWT) a sample of 100 patients. By allowing a 25% wear rate, a final sample size of 125 participants is required Inclusion criteria: Patients older than 18 years undergoing any surgery and who require pre-anesthesia Statistical analysis If the variables have a normal distribution, the Pearson correlation coefficient (r2) is used, which is between -1 and 1. Where -1 indicates the highest possible negative linear relationship (increasing the value of a variable decreases the another), 0 that there is no association, +1 positive correlation. From 0.7 negative or positive, it is said that the association is strong. Linear regression models of ordinary least squares will be applied to obtain the validity coefficient (r) and the standard error of the estimate (SEE): the typical error associated with the prediction the AoPWV with the distance traveled in the 6MWD test in each individual patient. The analysis of the receiver operating characteristic curve (ROC) will be used to derive cutoff points for an AoPWV value for the prediction of a 6MWD less than 427 meters
Classical paroxysmal nocturnal hemoglobinuria(PNH) is mainly characterized by hemolysis and thrombosis, which reduced patients ' quality of life(QoL) greatly and even lead to death. Glucocorticoids and symptomatic supportive therapy are traditional treatments and the response rate is far from satisfactory. Eculizumab is an effective therapy but it is expensive and not available in China mainland.The investigators aim to explore the efficacy and safety of sirolimus for refractory classic PNH.
The trial evaluates the value of radiation dose escalation based on Hypoxia detection by 18F_misonidazole Positron Emission Tomography (18F-MISO-PET) for primary radiochemotherapy of head and neck squamous cell carcinoma. Patients negative for human papillomavirus (HPV) and with hypoxic tumours after 2 weeks of radiochemotherapy are randomized to completion of standard radiochemotherapy or radiochemotherapy with escalated radiation dose. An additional interventional arm includes a carbon ion boost. HPV positive tumours can be included in a control arm. Primary endpoint is local tumour control 2 years after radiochemotherapy.
Interstitial lung diseases (ILDs) are a heterogeneous group of disorders, which encompass a wide range of conditions. In some patients with fibrosing ILDs, a progressive phenotype similar to that observed in idiopathic pulmonary fibrosis (IPF) may develop during the course of the disease (PF-ILD), including patients with systemic sclerosis (SSc)-related ILD. The aim of the study is to estimate the incidence and prevalence and to describe the characteristics of patients diagnosed with non-IPF PF-ILD and SSc-ILD, to describe the natural course of disease, and to explore the correlation between mortality and Forced Vital Capacity (FVC) of the patients with non-IPF PF-ILD. This study will be based on two data sources: the French national medico administrative database (SNDS) and the ILD cohort from the National French center for rare pulmonary diseases in Lyon, France.
The purpose of this study is to assess the efficacy and safety of apatinib plus concurrent neoadjuvant chemoradiotherapy in patients with esophageal squamous cell carcinoma.
To compare efficacy and safety of Abivertinib maleate alone versus standard first-line EGFR-TKIs for the treatment of patients with advanced non-small cell lung cancer with sensitive EGFR mutation
This is a randomized, open-label, parallel, multi-center study, aims to evaluate the efficacy and safety of metronomic chemotherapy with oral Navelbine versus intermittent oral Navelbine in female patients with HER2 negative Metastasis Breast Cancer.
ARDS is a severe disease in ICU, and could induce high mortality. Glycocalyx is an important matrix construction which covers endothelial cells, it could protect endothelial cells injury and the glycocalyx biomarkers could predict pulmonary injury. Decorin is a member of the small leucine-rich proteoglycan (SLRP) family, contains a single glycosaminoglycan (GAG) chain and a core protein with 12 leucine-rich repeats. In the previous study, decorin is associated with cardiac and liver fibrosis, however, the effects of decorin on ARDS pulmonary fibrosis have not been clarified.
The purpose of the study is to screen the optimal intervention strategies to rapid establish the protective barriers against HIV-infection by maximally decreasing the viremia among HIV- infected patients.
Investigators will test the value of very low dose Pazopanib administered to patients with hereditary hemorrhagic telangiectasia for the reduction in the severity of nose bleeds in those with frequent and long duration bleeding episodes.