简介:摘要:小学阶段,学生的作文是以记叙文为主的,大多是记事写人的。但是遇到写景作文,学生们就抓耳挠塞,不知如何下笔。写好写景作文一向是学生的软肋,不管老师怎样煞费苦心地指导,写出来的好的写景文章还是屈指可数。
简介:摘 要:岭底水库坝体存在多处裂缝及孔洞附近土体压实质量较差,下游坝坡不稳等问题,水库长期在高水位运行时,坝坡洇湿。坝体在上游铺设防渗土工膜之后,浸润线明显降低,采取下游坝坡增加压重平台解决大坝下游坝坡抗滑不稳定的问题。
简介:摘要:跳岭头非物质文化遗产的文化内涵与文化价值是非常高的。本文根据对灵山跳头岭的调查,从传承保护现状的三个方面着手进行分析;对跳岭头传承保护的三个难点进行研究,提出了有效措施。
简介: [摘要 ] 目的 探讨对患急性脑分水岭梗死的患者采用血管内介入治疗的效果如何。方法 方便选取 2018年 1月— 2020年 2月在该院就诊的患急性脑分水岭梗死的患者 72例,对这些患者都采用血管内介入治疗的诊治方法。观察这些患者手术前后的颈动脉狭窄情况,对这些患者的神经功能缺损进行评分。结果 经血管内介入治疗的方法治疗后,有 68例( 94.4%)急性脑分水岭梗死患者狭窄解除,有 2例( 5.6%)患者转为轻度狭窄;这些患者术后神经功能缺损评分( 10.4±2.9)分也低于手术前的评分( 24.5±5.3)分,差异有统计学意义( P<0.05)。 1年后回访这些患者,都没有急性脑分水岭梗死状况的复发。结论 结合患急性脑分水岭梗死的患者自身的身体状况,对他们采用血管内介入治疗的方法,能够控制并改善患者的病情,预防患者疾病的复发。 [关键词 ] 急性脑分水岭梗死;血管内介入;临床疗效 [Abstract] Objective To explore the effect of intravascular interventional therapy in patients with acute watershed infarction. Methods from January 2018 to February 2020, 72 patients with acute watershed infarction were selected conveniently, and all of them were treated with intravascular interventional therapy. The stenosis of carotid artery was observed before and after operation, and the neurological deficit of these patients was evaluated. Results after intravascular interventional therapy, 68 patients (94.4%) with acute watershed infarction were relieved of stenosis, and 2 patients (5.6%) turned to mild stenosis. The score of neurological deficit after operation (10.4 ± 2.9) was also lower than that before operation (24.5 ± 5.3), the difference was statistically significant (P < 0.05). One year later, none of the patients had relapse of acute watershed infarction. Conclusion combined with the physical condition of the patients with acute watershed infarction, the method of intravascular interventional therapy can control and improve the patients' condition and prevent the recurrence of the disease.
简介:摘要目的探讨FLAIR血管高信号征(fluid-attenuated inversion recovery vascular hyperintensities,FVH)与内分水岭脑梗死(internal watershed infarction,IWI)患者的预后及认知功能障碍的相关性。方法选择IWI患者106例,根据FVH诊断标准分为FVH(+)组59例,FVH(-)组47例。收集人口统计学、脑血管病危险因素、影像学等资料,评估患者入院时及出院时临床神经功能,出院90 d时采用改良mRS评分对患者进行短期转归的评估,采用MMSE量表对患者的认知功能进行评定。结果FVH(+)组和FVH(-)入院时美国国立卫生研究院卒中量表(NIHSS)评分差异无统计学意义(P>0.05);FVH(+)组[(3.37±2.33)分]出院时NIHSS评分明显低于FVH(-)组[(4.43±2.72)分](P<0.05);FVH(+)组神经功能好转率[(42.16±12.20)%]及90 d后mRS评分[(1.75±1.12)分]明显高于FVH(-)组[(37.58±13.64)%,(2.19±1.38)分](P<0.05);FVH(+)组患者MMSE评分中定向力、回忆能力、语言能力[分别为(9.26±0.21)分,(1.66±0.27)分,(7.69±0.44)分]显著低于FVH(-)组[(9.43±0.36)分,(1.83±0.34)分,(7.85±0.28)分],均差异有统计学意义(均P<0.05),两组间记忆力和注意、计算力方面差异无统计学意义(均P>0.05)。结论FVH与IWI患者入院时病情严重程度无相关性,FVH或许可以作为IWI患者的预后评估的一项影像学征象,但伴有FVH者可能合并更为严重的认知功能障碍。