BackgroundThe prognosis of hypertensive intracerebral hemorrhage is poor at high altitudes. The objective of this study was to explore whether hyperbaric oxygen can improve the results of computed tomography perfusion imaging and the neurological function of patients with HICH, and influence the hemoglobin concentration.MethodThe patients with HICH were treated with puncture and drainage. Twenty-one patients were treated with HBO after the operation, and the other patients received conventional treatment. CTP was performed twice, and all indices were measured. Scatter plots were (...) used to determine the effect of hemoglobin concentration on CTP imaging. Receiver operating characteristic curves were plotted to analyze the effects of hemoglobin concentration and hematoma volume on recovery results. The patients were followed up for 6 months.ResultsForty-one patients with HICH were treated with puncture and drainage. In total, 21 were treated with HBO after the operation, and 20 received conventional treatment as the control group. No significant differences in the CBV and CBF values of the two groups were noted before treatment. After 10 days, the values of CBV and CBF in the HBO group were significantly higher than those in the control group. A scatter diagram showed there was no significant in the HBO group, but significant correlation for the CBV and CBF values in the control group’s hematoma center and margin. The ROC curves showed that hematoma volume had an influence on prognosis of the control group. The Glasgow Coma Scale scores of the HBO group were significantly higher than those of the control group.ConclusionsHBO therapy can improve the postoperative CBV and CBF values of patients with HICH and ameliorate their prognoses. There was no significant correlation between HBO group and hemoglobin concentration on admission. (shrink)

Since 2004, Nanyan Cao and some other scholars have implicitly or explicitly claimed that engineering ethics in China is importantly different from engineering ethics in the United States. The evidence for that claim relies on examination of official documents or certain large features of Chinese society. Though neither is an uncommon approach to studying engineering ethics in China, neither actually studies engineering practice in China. This article does—or at least gets much closer. The authors have asked almost two hundred Chinese (...) engineers about what they do and why they do it. The responses suggest that Chinese engineers, or at least those surveyed, think about engineering ethics much as American engineers do. The responses also suggest that much more empirical work needs to be done before we can claim to understand either the similarities or differences between engineering ethics in China and engineering ethics in “the West.”. (shrink)

In 2016, Davis and Zhang surveyed 71 Chinese engineers to investigate the claim that the concept of “profession” may have a far wider range than the term. They concluded that China seems to have a profession of engineering even though the Chinese still lacked an exact translation of the English term. In part, the survey reported here simply continues the work of Davis and Zhang. It confirms their result using a much larger, better educated, demographically different pool of 229 Chinese (...) engineers. But, in part too, it does something else. It investigates the concept professional competence—the perceived knowledge, skill, and judgment that those surveyed attribute to themselves and other engineers. The article has four parts. The first part describes the basics of the survey. The second part describes some important features of the survey’s questions, explaining how the questions closely track both the concept of profession and the concept of professional competence. The third part reports and interprets the results relevant to the presence or absence of the concepts of profession and professional competence. The fourth part reports the conclusions. (shrink)