In this paper we prove a central limit theorem and a moderate deviation principle for a class of semilinear stochastic partial differential equations, which contain the stochastic Burgers’ equation and the stochastic...In this paper we prove a central limit theorem and a moderate deviation principle for a class of semilinear stochastic partial differential equations, which contain the stochastic Burgers’ equation and the stochastic reaction-diffusion equation. The weak convergence method plays an important role.展开更多
In this paper,we prove Talagrand’s T2 transportation cost-information inequality for the law of stochastic heat equation driven by Gaussian noise,which is fractional for a time variable with the Hurst index H∈(1/2,1...In this paper,we prove Talagrand’s T2 transportation cost-information inequality for the law of stochastic heat equation driven by Gaussian noise,which is fractional for a time variable with the Hurst index H∈(1/2,1),and is correlated for the spatial variable.The Girsanov theorem for fractional-colored Gaussian noise plays an important role in the proof.展开更多
The earth-abundant magnesium metal is a kind of promising anode material due to its low reduction potential (-2.356V vs. SHE), high volumetric and gravimetric specific capacities of 3882 mAh cm-3 and 2234 mAh g_1 resp...The earth-abundant magnesium metal is a kind of promising anode material due to its low reduction potential (-2.356V vs. SHE), high volumetric and gravimetric specific capacities of 3882 mAh cm-3 and 2234 mAh g_1 respectively [1]. Moreover, the magnesium anode shows high safety due to the non-dentritic electrodeposition mechanism during cycling, which is related to the strong Mg-Mg bonding and the consequent high energy barrier between the crystal boundaries of different crystal orientation [2].展开更多
Background The extubation time is critical during the intensive care unit stay in aneurysmal subarachnoid hemorrhage(aSAH)patients.The current conventional parameters for predicting extubation failure(EF)and extubatio...Background The extubation time is critical during the intensive care unit stay in aneurysmal subarachnoid hemorrhage(aSAH)patients.The current conventional parameters for predicting extubation failure(EF)and extubation time may not be suitable for this population.Here,we aimed to identify factors associated with EF in aSAH patients.Methods From a single-center observational study on aSAH patients with computed tomography angiography from 2019 to 2021,patients who received microsurgery were enrolled and divided into two groups according to whether EF occurred.Multivariable logistic regression was conducted to evaluate disease severity,medical history,and extubation time differences between patients with and without EF.Results Of 335 patients included,EF occurred with a rate of 0.14.Delayed cerebral ischemia(67.4%vs.13.5%)and acute hydrocephalus(6.5%vs.1.4%)were frequently observed in patients with EF.Also,patients who develop EF presented higher disability(65.9%vs.17.4%)and mortality(10.9%vs.0.7%)rates.Multivariable analysis demonstrated that age(OR 1.038;95%CI 1.004-1.073;P=0.028),onset to admission time(OR 0.731;95%CI 0.566-0.943;p=0.016),WFNS grade>3(OR 4.309;95%CI 1.639-11.330;p=0.003),and extubation time<24 h(OR 0.097;95%CI 0.024-0.396;p=0.001)were significantly associated with EF occurrence.Conclusions These data provide further evidence that older aSAH patients with onset to admission time<2 days and WFNS grade>3 have a high risk of developing EF,which is amplified by the ultra-early extubation.Moreover,in patients with two or more risk factors,a prolonged intubation recommendation requires consideration to avoid the EF.展开更多
Objective The aims of this study are to clarify the long-term outcomes of brainstem arteriovenous malformations(AVMs)after different management modalities.Methods The authors retrospectively reviewed 61 brainstem AVMs...Objective The aims of this study are to clarify the long-term outcomes of brainstem arteriovenous malformations(AVMs)after different management modalities.Methods The authors retrospectively reviewed 61 brainstem AVMs in their institution between 2011 and 2017.The rupture risk was represented by annualised haemorrhagic rate.Patients were divided into five groups:conservation,microsurgery,embolisation,stereotactic radiosurgery(SRS)and embolisation+SRS.Neurofunctional outcomes were evaluated by the modified Rankin Scale(mRS).Subgroup analysis was conducted between different management modalities to compare the long-term outcomes in rupture or unruptured cohorts.Results All of 61 brainstem AVMs(12 unruptured and 49 ruptured)were followed up for an average of 4.5 years.The natural annualised rupture risk was 7.3%,and the natural annualised reruptured risk in the ruptured cohort was 8.9%.13 cases were conservative managed and 48 cases underwent intervention(including 6 microsurgery,12 embolisation,21 SRS and 9 embolisation+SRS).In the selection of interventional indication,diffuse nidus were often suggested conservative management(p=0.004)and nidus involving the midbrain were more likely to be recommended for intervention(p=0.034).The risk of subsequent haemorrhage was significantly increased in partial occlusion compared with complete occlusion and conservative management(p<0.001,p=0.036,respectively).In the subgroup analysis,the follow-up mRS scores of different management modalities were similar whether in the rupture cohort(p=0.064)or the unruptured cohort(p=0.391),as well as the haemorrhage-free survival(p=0.145).In the adjusted Bonferroni correction analysis of the ruptured cohort,microsurgery and SRS could significantly improve the obliteration rate compared with conservation(p<0.001,p=0.001,respectively)and SRS may have positive effect on avoiding new-onset neurofunctional deficit compared with microsurgery and embolisation(p=0.003,p=0.003,respectively).Conclusions Intervention has similar neurofunctional outcomes as conservation in these brainstem AVM cohorts.If intervention is adopted,partial obliteration should be avoided because of the high subsequent rupture risk.展开更多
基金supported by NSFF(17BTJ034)The research of WANG was supported by NSFC(11871382,11771161).
文摘In this paper we prove a central limit theorem and a moderate deviation principle for a class of semilinear stochastic partial differential equations, which contain the stochastic Burgers’ equation and the stochastic reaction-diffusion equation. The weak convergence method plays an important role.
基金supported by the Shanghai Sailing Program (21YF1415300)the Natural Science Foundation of China (12101392)supported by the Natural Science Foundation of China (11871382,11771161).
文摘In this paper,we prove Talagrand’s T2 transportation cost-information inequality for the law of stochastic heat equation driven by Gaussian noise,which is fractional for a time variable with the Hurst index H∈(1/2,1),and is correlated for the spatial variable.The Girsanov theorem for fractional-colored Gaussian noise plays an important role in the proof.
基金supported by the National Natural Science Foundation of China (no. 51772068, 21773049)
文摘The earth-abundant magnesium metal is a kind of promising anode material due to its low reduction potential (-2.356V vs. SHE), high volumetric and gravimetric specific capacities of 3882 mAh cm-3 and 2234 mAh g_1 respectively [1]. Moreover, the magnesium anode shows high safety due to the non-dentritic electrodeposition mechanism during cycling, which is related to the strong Mg-Mg bonding and the consequent high energy barrier between the crystal boundaries of different crystal orientation [2].
文摘Background The extubation time is critical during the intensive care unit stay in aneurysmal subarachnoid hemorrhage(aSAH)patients.The current conventional parameters for predicting extubation failure(EF)and extubation time may not be suitable for this population.Here,we aimed to identify factors associated with EF in aSAH patients.Methods From a single-center observational study on aSAH patients with computed tomography angiography from 2019 to 2021,patients who received microsurgery were enrolled and divided into two groups according to whether EF occurred.Multivariable logistic regression was conducted to evaluate disease severity,medical history,and extubation time differences between patients with and without EF.Results Of 335 patients included,EF occurred with a rate of 0.14.Delayed cerebral ischemia(67.4%vs.13.5%)and acute hydrocephalus(6.5%vs.1.4%)were frequently observed in patients with EF.Also,patients who develop EF presented higher disability(65.9%vs.17.4%)and mortality(10.9%vs.0.7%)rates.Multivariable analysis demonstrated that age(OR 1.038;95%CI 1.004-1.073;P=0.028),onset to admission time(OR 0.731;95%CI 0.566-0.943;p=0.016),WFNS grade>3(OR 4.309;95%CI 1.639-11.330;p=0.003),and extubation time<24 h(OR 0.097;95%CI 0.024-0.396;p=0.001)were significantly associated with EF occurrence.Conclusions These data provide further evidence that older aSAH patients with onset to admission time<2 days and WFNS grade>3 have a high risk of developing EF,which is amplified by the ultra-early extubation.Moreover,in patients with two or more risk factors,a prolonged intubation recommendation requires consideration to avoid the EF.
基金supported by Natural Science Foundation of China(81571110,81771234 to YZ,81500995 to XC,81801140 to LM)Bai Qian Wan Talent Plan(2017A07).
文摘Objective The aims of this study are to clarify the long-term outcomes of brainstem arteriovenous malformations(AVMs)after different management modalities.Methods The authors retrospectively reviewed 61 brainstem AVMs in their institution between 2011 and 2017.The rupture risk was represented by annualised haemorrhagic rate.Patients were divided into five groups:conservation,microsurgery,embolisation,stereotactic radiosurgery(SRS)and embolisation+SRS.Neurofunctional outcomes were evaluated by the modified Rankin Scale(mRS).Subgroup analysis was conducted between different management modalities to compare the long-term outcomes in rupture or unruptured cohorts.Results All of 61 brainstem AVMs(12 unruptured and 49 ruptured)were followed up for an average of 4.5 years.The natural annualised rupture risk was 7.3%,and the natural annualised reruptured risk in the ruptured cohort was 8.9%.13 cases were conservative managed and 48 cases underwent intervention(including 6 microsurgery,12 embolisation,21 SRS and 9 embolisation+SRS).In the selection of interventional indication,diffuse nidus were often suggested conservative management(p=0.004)and nidus involving the midbrain were more likely to be recommended for intervention(p=0.034).The risk of subsequent haemorrhage was significantly increased in partial occlusion compared with complete occlusion and conservative management(p<0.001,p=0.036,respectively).In the subgroup analysis,the follow-up mRS scores of different management modalities were similar whether in the rupture cohort(p=0.064)or the unruptured cohort(p=0.391),as well as the haemorrhage-free survival(p=0.145).In the adjusted Bonferroni correction analysis of the ruptured cohort,microsurgery and SRS could significantly improve the obliteration rate compared with conservation(p<0.001,p=0.001,respectively)and SRS may have positive effect on avoiding new-onset neurofunctional deficit compared with microsurgery and embolisation(p=0.003,p=0.003,respectively).Conclusions Intervention has similar neurofunctional outcomes as conservation in these brainstem AVM cohorts.If intervention is adopted,partial obliteration should be avoided because of the high subsequent rupture risk.
