Background:To evaluate the efficacy of stent-assisted coiling(SAC)for the treatment of carotid ophthalmic segment aneurysm segment aneurysms(OSAs)of the internal carotid artery(ICA)through detailed long-term follow-up...Background:To evaluate the efficacy of stent-assisted coiling(SAC)for the treatment of carotid ophthalmic segment aneurysm segment aneurysms(OSAs)of the internal carotid artery(ICA)through detailed long-term follow-up of a large patient cohort.Methods:We retrospectively analyzed 88 consecutive patients with OSAs between January 2009 and January 2020 at our center.Angiographic results were evaluated using the modified Raymond grading system and clinical outcomes were evaluated using the mRS scale.The primary endpoints were major aneurysm recurrence and poor clinical outcomes for at least 18 months of follow-up.The patients were asked to attend clinical follow-up assessments and possibly undergo DSA or MR via telephone.Results:We enrolled 88 patients with 99 OSAs treated with coiling,of whom 76 were treated with SAC.The coiling procedures were successful in all 88 patients.Overall,complications occurred in 8 patients(9.1%).No procedure-related mortality was observed.67(76.1%)experienced immediate aneurysm occlusion at the end of the procedure.Long-term angiographic follow-up(18 months)was available in 45/88 aneurysms(51%)(average 18.7±5.2 months).Four patients continued their follow-up for 5 years after initial aneurysm treatment.After a clinical follow-up time of 28.7 months(range,12-51 months),85 patients(95.5%)achieved favorable clinical outcomes(mRS scores of 0-2).Conclusions:This study indicates that SAC treatment is a safe and effective therapeutic alternative for ruptured and unruptured OSAs.The procedural risks are low with relatively long-term effectiveness.展开更多
高校网络流量调度算法的数据包转发吞吐率较低,研究基于互联网协议第6版(Internet Protocol version 6,IPv6)分段路由的高校网络流量调度算法。采集高校网络数据,通过网关将数据封装成IPv6数据报文,再转发至交换机与控制器建立通信,制...高校网络流量调度算法的数据包转发吞吐率较低,研究基于互联网协议第6版(Internet Protocol version 6,IPv6)分段路由的高校网络流量调度算法。采集高校网络数据,通过网关将数据封装成IPv6数据报文,再转发至交换机与控制器建立通信,制定数据包转发规则;设定添加传输控制协议(Transmission Control Protocol,TCP)的和式增加积式减少(Additive Increase Multiplicative Decrease,AIMD)机制,收敛网络流量,均匀分配带宽的平衡状态,调整网卡分配宽带,进行流量预估;判断链路的网络流量,求解最优路径,实现网络流量调度。实验结果表明,运用设计方法处理转发的吞吐率较高,有效提高高校网络的服务质量。展开更多
基金supported by grants from the National Natural Science Foundation of China,grant no. 81370041, 81771233, 81671655the Outstanding Clinical Discipline Project of Shanghai Pudonggrant no.PWYgy2018-04.
文摘Background:To evaluate the efficacy of stent-assisted coiling(SAC)for the treatment of carotid ophthalmic segment aneurysm segment aneurysms(OSAs)of the internal carotid artery(ICA)through detailed long-term follow-up of a large patient cohort.Methods:We retrospectively analyzed 88 consecutive patients with OSAs between January 2009 and January 2020 at our center.Angiographic results were evaluated using the modified Raymond grading system and clinical outcomes were evaluated using the mRS scale.The primary endpoints were major aneurysm recurrence and poor clinical outcomes for at least 18 months of follow-up.The patients were asked to attend clinical follow-up assessments and possibly undergo DSA or MR via telephone.Results:We enrolled 88 patients with 99 OSAs treated with coiling,of whom 76 were treated with SAC.The coiling procedures were successful in all 88 patients.Overall,complications occurred in 8 patients(9.1%).No procedure-related mortality was observed.67(76.1%)experienced immediate aneurysm occlusion at the end of the procedure.Long-term angiographic follow-up(18 months)was available in 45/88 aneurysms(51%)(average 18.7±5.2 months).Four patients continued their follow-up for 5 years after initial aneurysm treatment.After a clinical follow-up time of 28.7 months(range,12-51 months),85 patients(95.5%)achieved favorable clinical outcomes(mRS scores of 0-2).Conclusions:This study indicates that SAC treatment is a safe and effective therapeutic alternative for ruptured and unruptured OSAs.The procedural risks are low with relatively long-term effectiveness.
文摘高校网络流量调度算法的数据包转发吞吐率较低,研究基于互联网协议第6版(Internet Protocol version 6,IPv6)分段路由的高校网络流量调度算法。采集高校网络数据,通过网关将数据封装成IPv6数据报文,再转发至交换机与控制器建立通信,制定数据包转发规则;设定添加传输控制协议(Transmission Control Protocol,TCP)的和式增加积式减少(Additive Increase Multiplicative Decrease,AIMD)机制,收敛网络流量,均匀分配带宽的平衡状态,调整网卡分配宽带,进行流量预估;判断链路的网络流量,求解最优路径,实现网络流量调度。实验结果表明,运用设计方法处理转发的吞吐率较高,有效提高高校网络的服务质量。