BACKGROUND Nitrous oxide(N2O)has gained increasing popularity as a recreational drug,causing hallucinations,excitation,and psychological dependence.However,side effects have been reported in recent years.Our case repo...BACKGROUND Nitrous oxide(N2O)has gained increasing popularity as a recreational drug,causing hallucinations,excitation,and psychological dependence.However,side effects have been reported in recent years.Our case report proposes a correlation among N2O,pulmonary embolism(PE),and deep vein thrombosis(DVT)and emphasizes the role of homocysteine(Hcy)in thrombotic events.CASE SUMMARY A 29-year-old man with long-term N2O abuse sought evaluation after acute chest pain.A diagnostic workup revealed PE,DVT,and hyperhomocysteinemia.The patient was successfully treated with thrombolytic and anticoagulant therapy.Moreover,his Hcy level decreased and returned to normal after Hcy-lowering therapy.CONCLUSION Chronic N2O abuse might increase the risk of PE and DVT,although there have been few studies previously.展开更多
为实现环境类虚假投诉举报检测,提出一种基于对抗迁移学习方法的虚假投诉举报检测模型。首先,以长短期记忆(long-short term memory,LSTM)网络为特征抽取器抽取微博谣言(源域)和投诉举报文本(目标域)的共享特征;然后,使用对抗学习方法...为实现环境类虚假投诉举报检测,提出一种基于对抗迁移学习方法的虚假投诉举报检测模型。首先,以长短期记忆(long-short term memory,LSTM)网络为特征抽取器抽取微博谣言(源域)和投诉举报文本(目标域)的共享特征;然后,使用对抗学习方法进行领域适配,将源域特征和目标域特征进行特征对齐;最后,由分类器输出分类结果,并由分类损失和领域适配损失共同更新网络参数。通过模型对比实验和消融实验可知,模型的F_(1)达到了79.61%。结果表明,对抗迁移学习模型具有较好的性能,适合应用在环境类虚假投诉举报检测任务中。展开更多
文摘BACKGROUND Nitrous oxide(N2O)has gained increasing popularity as a recreational drug,causing hallucinations,excitation,and psychological dependence.However,side effects have been reported in recent years.Our case report proposes a correlation among N2O,pulmonary embolism(PE),and deep vein thrombosis(DVT)and emphasizes the role of homocysteine(Hcy)in thrombotic events.CASE SUMMARY A 29-year-old man with long-term N2O abuse sought evaluation after acute chest pain.A diagnostic workup revealed PE,DVT,and hyperhomocysteinemia.The patient was successfully treated with thrombolytic and anticoagulant therapy.Moreover,his Hcy level decreased and returned to normal after Hcy-lowering therapy.CONCLUSION Chronic N2O abuse might increase the risk of PE and DVT,although there have been few studies previously.
文摘为实现环境类虚假投诉举报检测,提出一种基于对抗迁移学习方法的虚假投诉举报检测模型。首先,以长短期记忆(long-short term memory,LSTM)网络为特征抽取器抽取微博谣言(源域)和投诉举报文本(目标域)的共享特征;然后,使用对抗学习方法进行领域适配,将源域特征和目标域特征进行特征对齐;最后,由分类器输出分类结果,并由分类损失和领域适配损失共同更新网络参数。通过模型对比实验和消融实验可知,模型的F_(1)达到了79.61%。结果表明,对抗迁移学习模型具有较好的性能,适合应用在环境类虚假投诉举报检测任务中。
