反向穿针外固定术治疗高危老年肱骨近端骨折的血液系统评估及近期临床效果

目的探讨反向穿针外固定术治疗高危老年肱骨近端骨折的血液系统评估及近期临床效果。方法回顾性分析2018年1月至2022年1月河北省中医院骨伤一科采用反向穿针外固定术治疗的28例高危老年肱骨近端骨折患者,收集患者手术时间、术中出血量、住院时间、外固定架拆除时间、并发症的相关资料。比较患者术前及术后7 d、3个月、6个月的红细胞计数、血红蛋白、红细胞压积的水平,采用Constant-Murley评分和肩部手术系统评分评价临床疗效,通过肩关节X线片观察骨折愈合程度。结果28例患者平均手术时间为(66.57±18.09)min,平均术中出血量为(12.02±2.52)ml,平均住院时间为(14.39±2.86)d,平均外固定拆除时间为(6.75±1.70)个月,均无明显并发症发生。患者术前及术后7 d、3个月、6个月的红细胞计数、血红蛋白、红细胞压积比较,差异无统计学意义(P>0.05)。患者术前及术后7 d、3个月、6个月的Constant-Murley评分总分及其中疼痛、日常活动、肩关节活动范围、肌力各项评分逐渐升高,差异有统计学意义(P<0.05)。患者术前及术后7 d、3个月、6个月的肩部手术评分系统评分逐渐降低,差异有统计学意义(P<0.05)。肩关节X线片检查显示骨折愈合良好。结论反向穿针外固定术治疗高危老年肱骨近端骨折血液系统评估稳定,术后近期临床效果满意,适合高危老年患者。

Evaluation the Effect of Diurnal Temperature Fluctuations on Seed Germination of Pistacia vera L.

This experiment was carried out in order to investigate the effect of diurnal temperature fluctuations on seed germination of Pistacia vera L. The seeds of Badami-e-Zarand and Sarakhs cultivars were treated with the following temperatures： T1 = 24 hr at 25℃, T2= 16 hr at 25 ℃ ＋ 8 hr at 10 ℃, T3= 12 hr at 25 ℃ ＋ 12 hr at 10℃ and T4= 8 hr at 25℃ ＋ 16 hr at 10℃. The germination percentage was increased by diurnal temperature fluctuations, however all of treatments extended MTG compared to control （T1）. Temperature affected the quality of roots, in a matter that high constant temperature resulted in dichotomous （forked） roots during seed germination of pistachio. The response of cultivars was different in this case, so that, Badami-e-Zarand had higher dichotomous root percentage. This disorder can be decreased by diurnal temperature fluctuation.