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Objective To investigate the effect of f fine nursing management for patients undergoing simultaneous bilateral lobectomy. Methods Totally 52 patients under simultaneous bilateral lobectomy were randomly divided into the control group and observation group, with 26 cases in each group. The control group received routine nursing interventions during perioperative period. The observation group was given fine nursing management. The indwelling time of catheter, length of postoperative hospital stay, hospitalization costs and postoperative complications were recorded. Results The indwelling time of drainage tube and length of postoperative hospital stay in the observation group were shorter than those in the control group(P＜0. 05). There was a case of pneumothorax, 1 case of stage I pressure injury, 5 cases of arrhythmia, 2 cases of breathing difficulties and 2 cases of incision infection in the observation group. There was a case of pneumothorax, 3 cases of stage I pressure injury, 5 cases of arrhythmia, 1 case of breathing difficulties, 5 cases of incision infection and 1 case of death in the control group. Conclusion Implementation of fine nursing management is effective to shorten indwelling time of drainage tube and length of postoperative hospital stay of patients undergoing simultaneous bilateral lobectomy. (目的 探讨同期双侧肺叶切除围手术期实施精细化护理干预的效果。方法 选取2015年1月—2021年12月医院收治的行同期双侧肺叶切除患者52例, 随机分为对照组和观察组, 各26例。对照组围手术期采取常规护理, 观察组围术期采取精细化护理干预。记录和分析两组患者引流管留置时间、术后平均住院日、住院费用和术后并发症。结果 观察组患者引流管留置时间、术后平均住院日较对照组缩短, 差异有统计学意义(P＜0. 05)。观察组术后发生气胸1例, I期压疮1例, 心律失常5例, 呼吸困难2例, 切口感染2例; 对照组术后气胸1例, I期压疮3例, 心律失常5例, 呼吸困难1例, 切口感染5例, 死亡1例。结论 同期双侧肺叶切除围手术期实施精细化护理干预, 能缩短患者引流管留置时间和术后平均住院日, 对促进患者术后康复具有积极意义。)

Based on the existing algorithms,we further study relaxed modulus-based synchronous block multisplitting multi-parameters methods for linear complementarity problem. Furthermore, we give the weaker convergence results of our new method in this paper when the system matrix is a block H+-matrix. Therefore, our results provide a guarantee for the optimal relaxation parameters.

目的 研究下肢动脉硬化闭塞症（peripheral artery disease，PAD）并发颅内/外动脉狭窄的发生率、危 险因素以及与临床症状的关系。 方法 选取2016年7月-2017年7月PAD患者共155例，收集患者临床资料。PAD临床症状根据Fontaine 分类分为I 期无症状，II 期间歇性跛行，II I 期静息痛，I V期足趾溃疡、坏疽。根据经颅多普勒超声 （transcranial Doppler，TCD）结果将颅内外动脉狭窄程度分为无狭窄、轻中度狭窄（＜70%）和重度狭窄 或闭塞（≥70%）。分析颅内/外动脉狭窄在PAD患者中的发生率，PAD合并颅内/外动脉狭窄的危险因 素以及PAD下肢缺血程度及围手术期卒中发生与颅内/外动脉狭窄的关系。 结果 本研究中合并颅内和/或颅外动脉狭窄的PAD患者共99例（63.9%），其中颅外段动脉狭窄与 颅内段动脉狭窄分别为66例（42.6%）和67例（43.2%）。PAD合并颅外段动脉重度狭窄或闭塞27例 （17.4%），合并颅内段动脉重度狭窄或闭塞4例（2.6%）。年龄[比值比（odds ratio，OR）1.041，95%可信 区间（confidence interval，CI）1.004～1.080，P =0.030]和吸烟（OR 2.728，95%CI 1.125～6.619，P =0.026） 是PAD合并颅外段动脉狭窄的危险因素。糖尿病（OR 2.196，95%CI 1.079～4.470，P =0.030）是PAD合 并颅内段动脉狭窄的危险因素。吸烟（OR 3.57，95%CI 1.078～11.411，P =0.037）是PAD合并颅内/外段 动脉重度狭窄的危险因素。与无颅内动脉狭窄患者相比，PAD合并颅内动脉狭窄患者更容易发生严重 下肢缺血症状（Ⅱ期和Ⅲ期）（67.2% vs 50.0%，P =0.032）。与轻中度颅外段动脉狭窄相比，PAD合并 颅外段动脉重度狭窄或闭塞的患者更容易发生围手术期卒中（17.4% vs 1.1%，P =0.006）。 结论 PAD合并颅内/外动脉狭窄发病率较高，颅内动脉狭窄患者PAD临床症状更严重，而颅外动脉 重度狭窄或闭塞则可能导致围手术期卒中发生率升高。 Abstract: Objective To investigate the incidence, risk factors and clinical symptoms of peripheral artery disease (PAD) complicated by intra-/extractranial artery stenosis. Methods A total of 155 patients with PAD from July 2016 to July 2017 were selected and the clinical data of the patients were collected for the study. The clinical symptoms of PAD were classified according to Fontaine classification: stage I, without symptoms; stage II, intermittent claudication, stage III, resting pain; stage IV, toe ulcers and gangrene. The degree of intra-/ extracranial artery stenosis was divided into non-stenosis, mild to moderate stenosis (