目的观察疏血通注射液对高血压性脑出血的治疗效果。方法将84例高血压性脑出血患者随机分为试验组和对照组各42例,对照组予以常规治疗,试验组除常规治疗外,在入院第7天开始给予疏血通6 ml,1次/d静滴,共14 d,在入院第1天、第7天、第21天...目的观察疏血通注射液对高血压性脑出血的治疗效果。方法将84例高血压性脑出血患者随机分为试验组和对照组各42例,对照组予以常规治疗,试验组除常规治疗外,在入院第7天开始给予疏血通6 ml,1次/d静滴,共14 d,在入院第1天、第7天、第21天分别进行头颅CT,根据CT对血肿及血肿周围低密度区体积进行记录,同时采用美国国立卫生院神经功能缺损评分(Nationgnal Institutes of Health stroke scale,NIHSS)评价神经功能缺损程度,并评价疗效。结果试验组血肿周围水肿体积及血肿体积在第21天明显小于对照组,神经功能改善优于对照组,试验组临床有效率(69.0%)显著高于对照组(47.6%),试验组未见血肿扩大、再出血等严重不良反应。结论疏血通注射液治疗高血压性脑出血效果良好,且未见明显不良反应。展开更多
The single-carrier block transmission（SCBT）,a.k.a.,single-carrier frequency-domain equalization（SC-FDE）,is being considered as an option technique for the wireless personal area network（WPAN） operating at 60 GHz...The single-carrier block transmission（SCBT）,a.k.a.,single-carrier frequency-domain equalization（SC-FDE）,is being considered as an option technique for the wireless personal area network（WPAN） operating at 60 GHz.It is found that for residential environment,in non-line-of-sight（NLOS） multi-path channels,the SCBT is much more effective to combat the inter-symbol interference（ISI） compared with orthogonal frequency division multiplexing（OFDM）.Low-density parity-check（LDPC） codes are a class of linear block codes which provide near capacity performance on a large collection of data transmission and storage channels while simultaneously admitting implementable decoders.To facilitate using LDPC codes for SCBT system,a new log-likelihood ratio（LLR） calculation method is proposed based on pilot symbols（PS）.Golay Sequences whose sum autocorrelation has a unique peak and zero sidelobe are used for creating the PS.The position and length of the PS are not fixed in the data blocks.The simulation results show that the proposed method can significantly improve the LDPC decoding performance in SCBT system.This is very promising to support ultra high-data-rate wireless transmission.展开更多
文摘目的观察疏血通注射液对高血压性脑出血的治疗效果。方法将84例高血压性脑出血患者随机分为试验组和对照组各42例,对照组予以常规治疗,试验组除常规治疗外,在入院第7天开始给予疏血通6 ml,1次/d静滴,共14 d,在入院第1天、第7天、第21天分别进行头颅CT,根据CT对血肿及血肿周围低密度区体积进行记录,同时采用美国国立卫生院神经功能缺损评分(Nationgnal Institutes of Health stroke scale,NIHSS)评价神经功能缺损程度,并评价疗效。结果试验组血肿周围水肿体积及血肿体积在第21天明显小于对照组,神经功能改善优于对照组,试验组临床有效率(69.0%)显著高于对照组(47.6%),试验组未见血肿扩大、再出血等严重不良反应。结论疏血通注射液治疗高血压性脑出血效果良好,且未见明显不良反应。
基金supported by the National Natural Science Foundation of China (60572093)Specialized Research Fund for the DoctoralProgram of Higher Education (20050004016)
文摘The single-carrier block transmission（SCBT）,a.k.a.,single-carrier frequency-domain equalization（SC-FDE）,is being considered as an option technique for the wireless personal area network（WPAN） operating at 60 GHz.It is found that for residential environment,in non-line-of-sight（NLOS） multi-path channels,the SCBT is much more effective to combat the inter-symbol interference（ISI） compared with orthogonal frequency division multiplexing（OFDM）.Low-density parity-check（LDPC） codes are a class of linear block codes which provide near capacity performance on a large collection of data transmission and storage channels while simultaneously admitting implementable decoders.To facilitate using LDPC codes for SCBT system,a new log-likelihood ratio（LLR） calculation method is proposed based on pilot symbols（PS）.Golay Sequences whose sum autocorrelation has a unique peak and zero sidelobe are used for creating the PS.The position and length of the PS are not fixed in the data blocks.The simulation results show that the proposed method can significantly improve the LDPC decoding performance in SCBT system.This is very promising to support ultra high-data-rate wireless transmission.
