目的 探讨肾移植术后患者膀胱痉挛发生现状及影响因素。方法 选取广州医科大学附属第一医院2022年12月—2024年4月收治的80例肾移植患者为研究对象,记录术后膀胱痉挛发生情况,将15例术后发生膀胱痉挛的患者纳入膀胱痉挛组,其余65例患者纳入非膀胱痉挛组。对比两组一般人口学资料,术前临床资料、术中及术后情况。以合并膀胱痉挛作为因变量纳入Logistics回归模型分析肾移植术后膀胱痉挛发生的影响因素。结果 80例肾移植患者在术后共有15例患者发生膀胱痉挛,占比为18.76%。膀胱痉挛组与非膀胱痉挛组的性别、年龄、体质指数、文化程度、付费方式、家庭收入比较差异无统计学意义（P>0.05）;两组原发疾病、合并基础疾病、透析方式比较差异无统计学意义（P>0.05）,两组患者术前透析时间及术前贫血情况比较差异有统计学意义（P<0.05）;两组手术时间、术中出血量、术后尿管留置时间、术后尿潴留、术后视觉模拟量表评分、C反应蛋白、肿瘤坏死因子-α、白细胞介素-6、碱性磷酸酶、谷草转氨酶、肌酐、尿素氮、胱抑素C比较差异无统计学意义（P>0.05）,两组使用尿管材质、术后7 d平均尿量比较差异有统计学意义（P<0.05）;根据Logistics回归分析结果显示,术前透析时间（95%CI：1.327~9.846,OR：3.614,P=0.012）、术前贫血（95%CI：0.995~1.000,OR：0.997,P=0.045）、尿管材质（95%CI：1.498~3 199.687,OR：69.239,P=0.030）及术后7 d平均尿量（95%CI：1.058~334.543,OR：18.813,P=0.046）为肾移植术后膀胱痉挛发生的独立影响因素（P<0.05）。结论 肾移植患者术前透析时间较长、术前贫血、应用尿管材质较硬、术后尿量少均可增加术后膀胱痉挛发生风险,因此需针对膀胱痉挛高风险患者增加护理评估,监测患者术后尿量,尽量选择软质尿管,预防肾移植术后膀胱痉挛的发生。

Objective To explore the current situation and influencing factors of bladder spasms in patients after kidney transplantation. Methods Selecting 80 kidney transplant patients admitted to the First Affiliated Hospital of Guangzhou Medical University from December 2022 to April 2024 as the research subjects, the occurrence of postoperative bladder spasm was recorded. Fifteen patients who experienced bladder spasm after surgery were included in the bladder spasm group, and the remaining 65 patients were included in the non bladder spasm group. The general demographic data,preoperative clinical data, intraoperative and postoperative conditions between two groups were compared. Incorporating bladder spasm as the dependent variable into the Logistics regression model to analyze the influencing factors of bladder spasm after kidney transplantation. Results A total of 15 out of 80 kidney transplant patients experienced bladder spasms after surgery, accounting for 18. 76%. By comparing general demographic data between the bladder spasm group and the non bladder spasm group, it was found that there were no significant differences in gender, age, Body Mass Index, education level, payment methods, and household income（P>0. 05）. There was no significant differences in primary disease, combined basic disease, and dialysis method between the two groups（P>0. 05）,while there were significant differences in preoperative dialysis time and preoperative anemia between the two groups（P<0. 05）. Surgical time, intraoperative blood loss,postoperative urinary retention, postoperative visual analog scale score, C reactive protein, tumor necrosis factor-α, interleukin-6, alkaline phosphatase, transaminase, creatinine, urea nitrogen, cystatin C were not different between the two groups（P>0. 05）. The difference in the mean urine volume after seven days and urinary catheter material were significant（P<0. 05）. According to the results of the Logistic regression analysis,preoperative dialysis duration（95%CI：1. 327-9. 846,OR：3. 614, P=0. 012）, preoperative anemia（95%CI：0. 995-1. 000,OR：0. 997, P=0. 045）, catheter material（95%CI：1. 498-3 199. 687,OR：69. 239, P=0. 030）, and mean urine output at seven days postoperatively（95%CI：1. 058-334. 543,OR：18. 813, P=0. 046）were identified as independent influencing factors for the occurrence of bladder spasms after kidney transplantation（P<0. 05）. Conclusions Renal transplant patients have a longer preoperative dialysis time, and the use of harder urinary catheter materials and lower postoperative urine output can increase the risk of postoperative bladder spasms. Therefore, it is necessary to increase nursing evaluation for high-risk patients with bladder spasms mentioned above, monitor postoperative urine output, and choose soft urinary catheters as much as possible to prevent the occurrence of bladder spasms after kidney transplantation.

目的 初步探究胆管结扎诱导的梗阻性胆汁淤积对大鼠肝细胞的影响。方法 10只Lewis大鼠随机分为对照组和胆汁淤积组,每组各5只,胆汁淤积组采用胆管结扎2周诱导梗阻性胆汁淤积大鼠模型。苏木精-伊红染色和苯胺蓝染色比较组织病理变化,使用生化分析比较两组小鼠肝功能情况。采用改良的两步胶原酶灌注分离原代肝细胞,通过RT-qPCR检测两组小鼠肝细胞标志基因、细胞增殖标志基因以及胆管细胞标志基因的表达情况。结果 与对照组相比,胆汁淤积组肝脏表现为明显的肝组织紊乱和纤维胶原蛋白沉积以及肝功能的损害。胆汁淤积组较对照组的原代肝细胞更高表达细胞增殖标志基因：细胞增殖标志物（Ki67）基因,叉头盒M1蛋白（Foxm1）基因,增殖细胞核抗原（Pcna）基因和肝细胞生长因子（HGF）基因（P<0.05）;胆汁淤积组的原代肝细胞表达更低水平的肝细胞标志基因：白蛋白（Alb）基因,多药耐药相关蛋白2（Mrp2）基因,胆盐输出泵（Bsep）基因和肝细胞连环蛋白1（Catenin1）基因（P<0.05）,同时表达更高水平的胆管细胞标志基因：细胞角蛋白7（Ck7）基因,细胞角蛋白 19（Ck19）基因,胆管细胞多药耐药性蛋白1（Mdr1）基因和胆管细胞囊性纤维化跨膜传导调节因子（Cftr）基因（P<0.05）以及肝祖细胞标志基因：上皮细胞黏附分子（Epcam）基因和Y染色体性别决定区-盒转录因子9（Sox9）基因（P<0.05）。结论 胆汁淤积可诱导肝细胞向胆管细胞特性转化的可塑性。

Objective To explore the effect of bile duct ligation induced obstructive cholestasis on rat hepatocytes. Methods Ten Lewis rats were randomly divided into control group and cholestasis group, and the cholestasis was induced by bile duct ligation for 2 weeks. The histopathological changes were compared by H&E and aniline blue staining and the liver function was compared by biochemical analysis. Primary hepatocytes were isolated by modified two-step collagenase perfusion, and the expressions of hepatocyte marker genes, cell proliferation marker genes and cholangiocyte marker genes were detected by RT-qPCR. Results Compared with the control group,the liver of the cholestatic group showed obvious disordered histopathology, deposition of fibrous collagen and impaired liver function. Compared with the control group, the primary hepatocytes in the cholestasis group expressed higher cell proliferation-related genes（Ki67,Foxm1,Pcna and HGF）（P<0. 05）. Primary hepatocytes in the cholestasis group expressed lower levels of hepatocyte marker genes（Alb,Mrp2,Bsep and Catenin1）（P<0. 05）,and higher levels of cholangiocyte marker genes（Ck7,Ck19,Mdr1 and Cftr）（P<0. 05）and higher levels of the hepatic progenitor cell marker genes（Epcam and Sox9）（P<0. 05）. Conclusions Cholestasis induces rat hepatocyte plasticity in the transformation into bile duct properties.

       目的   评估无托槽隐形矫治应用在正畸拔牙患者中的效果及对牙根吸收、可溶性细胞间黏附分子-1（sICAM-1）的影响。方法   纳入2022年1月—2024年8月的70例正畸拔牙患者，按照治疗方法分组，即对照组（35例，给予固定矫治）、观察组（35例，给予无托槽隐形矫治），评价组间牙根吸收情况、牙周指标、炎症因子、矫治时间。结果   治疗结束时，两组均出现牙根吸收情况，但是观察组无牙根吸收＞3 mm病例，而对照组存在牙根吸收＞3 mm、＞4 mm病例，P＜0.05。治疗前，两组牙周指标［龈沟出血指数（SBI）、牙龈指数（GI）、菌斑指数（PLI）］、炎症因子［白介素-1β（IL-1β）、sICAM-1］比较差异无统计学意义（P＞0.05）。治疗后，两组SBI、GI、PLI、IL-1β、sICAM-1升高，且观察组SBI、GI、PLI、IL-1β、sICAM-1低于对照组（P＜0.05）。与对照组比较，观察组矫治时间更长（P＜0.05）。结论   对正畸拔牙患者进行无托槽隐形矫治，虽然治疗时间长，但是可以抑制牙根吸收，减轻炎症反应，提高牙周健康水平。

       Objective  To evaluate the effect of clear aligner treatment on orthodontic tooth extraction patients and its impact on root resorption and soluble intercellular adhesion molecule-1（sICAM-1）．Methods  Seventy orthodontic extraction patients from January 2022 to August 2024 were included and divided into two groups according to treatment methods：a control group（35 cases，receiving fixed orthodontic treatment）and an observation group（35 cases，receiving clear aligner treatment）．The root resorption，periodontal indicators，inflammatory factors，and orthodontic treatment time between groups were evaluated．Results  At the end of treatment，both groups showed root resorption，but there were no cases of root resorption＞3 mm in the observation group，while there were cases of root resorption＞3 mm and＞4 mm in the control group，P＜0.05．Before treatment，there was no difference in periodontal indicators（gingival bleeding index［SBI］，gingival index［GI］，plaque index［PLI］），inflammatory factors（interleukin-1 β［IL-1 β］，sICAM-1） between the groups，P＞0.05．After treatment，SBI，GI，PLI，IL-1 β，sICAM-1 increased in both groups，but SBI，GI，PLI，IL-1 β，sICAM-1 were lower in the  observation group，P＜0.05．Compared with the control group，the observation group had a longer orthodontic treatment time，P＜0.05．Conclusions  Although the clear aligner treatment time for orthodontic extraction patients is longer，it can inhibit root resorption，reduce inflammatory reactions，and improve periodontal health．

       目的   分析原发性肾病综合征（PNS）患儿在糖皮质激素（激素）治疗后淋巴细胞亚群及免疫因子的水平变化，以探讨PNS耐药机制。方法   选取PNS患儿共71例，正常对照组108例，收集PNS患者在激素治疗前、后及正常对照组儿童的淋巴细胞亚群［CD4⁺ 、CD8⁺ 、CD4⁺ /CD8⁺ 、CD19⁺ 和自然杀伤（NK）细胞］及免疫因子水平，并分析激素治疗后激素敏感患儿和激素耐药患儿相关指标的差异。结果  PNS患儿淋巴细胞亚群及免疫因子水平异常，激素治疗后PNS患儿总免疫球蛋白E（IgE）水平［767.50（270.25，1 937.50）IU/mL vs 311.00（62.70，757.00）IU/mL］（P=0.008）下降，而CD4⁺ T细胞比例［（33.88±7.42）% vs（38.25±7.16）%］（P=0.004）升高，激素治疗敏感患儿NK细胞比例高于激素治疗耐药患儿［（8.39±4.60）% vs（4.72±1.99）%］（P=0.034），IgE水平低于耐药患儿［311.00（62.70，633.00）IU/mL vs783.00（88.05，1 290.00）IU/mL］（P＜0.001）。结论  PNS患儿淋巴细胞亚群分布及免疫球蛋白水平异常，激素治疗可影响患儿CD4⁺ T细胞比例及IgE水平，并且NK细胞比例和IgE水平与患儿激素耐药相关。

       Objective  To evaluate the changes of lymphocyte subsets and immune factors levels in children with primary nephrotic syndrome（PNS），and explore the pathogenesis of PNS．Methods  A total of 71 patients with PNS and 108 normal control cases were selected．Flow cytometry was used to detect the concentration of lymphocyte subsets（CD4⁺ ，CD8⁺ ，CD4⁺ /CD8⁺ ，CD19⁺  and natural killer［NK］ cells）and immune factors before and after treatment．The difference of  related factors between steroid-sensitive and steroid-resistant children after therapy were analyzed．Results  Lymphocyte subsets and immune molecule levels were abnormal in children with NPS．The level of IgE（767.50［270.25，1 937.50］IU/mL vs 311.00［62.70，757.00］IU/mL，P=0.008）was significantly decreased after therapy（P＜0.05），while CD4⁺  T cells（［33.88±7.42］% vs［38.25±7.16］%，P=0.004）were significantly increased．The level of NK cells in steroid-sensitive children was significantly higher than that in steroid-resistant children（［8.39±4.60］% vs［4.72±1.99］%，P=0.034），while the level of  IgE was significantly lower than that of steroid -resistant children（311.00［62.70，633.00］IU/mL vs 783.00［88.05，1 290.00］IU/mL，P＜0.001）．Conclusions  The distribution of lymphocyte subsets and the level of immune factors in PNS children were abnormal．Steroid therapy could affect the levels of CD4⁺  T cells and IgE，and the levels of NK cells and IgE were related to steroid-resistance in PNS children．

     目的   探讨综合康复训练对脑卒中后轻度认知障碍患者的应用效果及认知功能影响。方法   选取2022年2月—2023年2月暨南大学附属广州红十字会医院收治的80例脑卒中后轻度认知障碍患者展开前瞻性研究，应用抽签法将其分为综合康复组与常规组，各40例。常规组实施常规干预，综合康复组在常规组基础上增加综合康复训练，对比其认知功能，简易智能精神状态检查量表（MMSE）、美国国立卫生院卒中量表（NIHSS）评分变化，运动功能与平衡功能，日常生活能力与生活质量。结果   干预后综合康复组患者洛文斯顿作业疗法认知量表评分注意力为（3.36±0.42）分、思维运动为（17.34±2.31）分、定向力为（13.19±1.24）分，均高于常规组，且两组干预后高于干预前（P＜0.05）；干预后综合康复组患者MMSE评分为（25.58±4.12）分高于常规组，且两组干预后高于干预前，NIHSS评分为（14.53±2.62）分，低于常规组，且两组干预后低于干预前（P＜0.05）；干预后综合康复组患者Fugl-Meyer运动功能评定量表评分为（14.51±3.23）分、手臂动作调查测试表评分为（26.86±5.25）分、平衡量表评分为（43.06±5.13）分，高于常规组，且两组干预后高于干预前（P＜0.05）；干预后综合康复组患者日常生活活动能力量表评分为（53.02±4.43）分、脑卒中专用生活质量量表评分为（97.11±12.23）分，高于常规组，且两组干预后高于干预前（P＜0.05）。结论   针对脑卒中后轻度认知障碍患者采取综合康复训练可促进患者认知功能恢复，提升患者运动功能及机体平衡功能，改善患者智力水平与神经功能，进一步提升患者日常生活能力与生活质量。

        Objective  To explore the effect of comprehensive  rehabilitation training on cognitive function in patients with mild cognitive impairment after stroke．Methods  A  prospective  study was conducted on  80  patients with mild cognitive impairment after stroke，who admitted to the hospital from February 2022 to February 2023．They were divided into a comprehensive rehabilitation group and a control group using a lottery method，with 40 patients in each group．The control group  received  routine intervention，while the comprehensive  rehabilitation group  received additional comprehensive  rehabilitation training on the basis of the control group．Their cognitive function，Mini Mental State Examination Scale（MMSE），National  Institutes of Health Stroke Scale in the United States（NIHSS）score changes，motor function and balance function，daily living ability and quality of life were compared．Results  After intervention，the Lowenstein Occupational Therapy Cognitive Scale scores of attention（3.36±0.42），thinking and motor（17.34±2.31），and orientation（13.19±1.24）in the comprehensive  rehabilitation group were higher than those in the control group，and both groups had higher scores after intervention than before（P＜0.05）．After intervention，the MMSE score（25.58±4.12）of patients in the comprehensive rehabilitation group was higher than that of the control group，and both groups had higher scores after intervention compared to those before intervention．The NIHSS score（14.53±2.62）was lower than that of the control group，and both groups had lower scores after intervention compared to those before intervention（P＜0.05）．After intervention，the Fugl Meyer Assessment score（14.51±3.23），Arm Movement Survey Test Form score（26.86±5.25），and Balance Scale score（43.06±5.13）in the comprehensive rehabilitation group were higher than those in the control group，and both groups had higher scores after intervention than before（P＜0.05）．After intervention，the Basic Activity of Daily Living score（53.02±4.43）and stroke specific quality of life score（97.11±12.23）in the comprehensive  rehabilitation group were higher than those in the control group，and both groups had higher scores after intervention than before（P＜0.05）．Conclusions  Comprehensive  rehabilitation training for patients with mild cognitive impairment after stroke can promote cognitive function recovery，improve motor function and balance function，enhance intelligence and neurological function，and further improve daily living ability and quality of life．

       目的   探讨单次根管疏通填充对牙体牙髓病患者的填充效果及龈沟液炎症指标的影响。方法   选择2023年8月—2024年2月天津市人民医院接收的牙体牙髓病患者84例进行研究，采用随机数字表法分为两组，各42例。对照组采取多次根管疏通填充，观察组采取单次根管疏通填充，比较2组填充效果、治疗效果、龈沟液炎症指标、口腔健康和功能指标、并发症情况。结果 观察组欠填、恰填、超填比例与对照组比较无统计学意义（χ ² 分别为0.262、1.615、0.512，P分别为0.608、0.203、0.474）。观察组的总有效率为97.62%，高于对照组80.95%（χ ² =6.098，P=0.014）。治疗后，观察组龈沟液白细胞介素IL-1β、IL-17A、IL-35、肿瘤坏死因子-α水平低于对照组（t分别为3.271、3.028、2.699、2.968，P分别为0.002、0.003、0.008、0.004）。治疗后，观察组龈沟出血指数、牙龈指数低于对照组，咬合力、咀嚼效率高于对照组（t分别为2.311、2.686、2.262、2.776，P分别为0.023、0.009、0.026、0.007）。观察组并发症发生率4.76%低于对照组21.43%（χ ² =5.126，P=0.024）。结论   牙体牙髓病采取单次根管疏通填充治疗可保证恰当的填充效果，取得良好的治疗效果，而且减轻龈沟液炎症反应，促进口腔健康和功能改善，并发症较少，安全性高，值得推广。

       Objective  To explore the effects of one-time  root canal dredging and filling on the filling effect and gingival crevicular fluid inflammation indexes in patients with endodontic disease．Methods  A total of 84 cases of endodontic patients admitted to the Tianjin People’s Hospital from August 2023 to February 2024 were chosen and separated into the control group（n=42，multiple-time root canal dredging and filling）and the observation group（n=42，one-time root canal dredging and filling）by random number table method．The filling effect，therapeutic effect，gingival creval fluid inflammation indicators，oral health and function indicators，and complications were compared．Results  The underfilling，accurate filling and overfilling showed no significant difference between the two groups（χ ² =0.262，1.615，0.512，P=0.608，0.203，0.474）．The total effective  rate of observation group was 97.62%，higher than that of control group 80.95%（χ ² =6.098，P=0.014）．After treatment，levels of interleukin（IL）-1β，IL-17A，IL-35 and tumor necrosis factor-α in gingival crevicular fluid of observation group were lower（t=3.271、3.028、2.699、2.968，P=0.002、0.003、0.008、0.004）．After treatment，the sulcus bleeding index and gingival index of the observation group were lower，and the biting force and mastication efficiency were higher（t=2.311、2.686、2.262、2.776，P=0.023、0.009、0.026、0.007）．The complication rate in the observation group was 4.76%，lower than that in the control group 21.43%（χ ² =5.126，P=0.024）．Conclusions  A one-time  root canal dredging and filling treatment for endodontic diseases can ensure proper filling effect，achieve good therapeutic effect，reduce gingival crevicular fluid inflammation，promote oral health and function improvement，with fewer complications，high safety，which is worthy of promotion．

        目的   观察急性期脑卒中患者早期针刺结合康复训练的临床疗效。方法   采用单盲、分层、区组随机设计分组，随机分成针康组与康复组。针康组35例，康复组35例，按5 d为一个疗程，共4个疗程。采用Fug-Meyer运动功能评分法（FMA）、巴氏指数（BI）、脑卒中专用生活质量量表（SS-QOL）对治疗前及治疗后4周末、出院后8周末及随访期3个月、6个月末的死亡率、残疾率、复发率评估，比较两组的疗效。结果   两组基线比较差异无统计学意义（P＞0.05）。组间比较：4周末 FMA、BI评分两组相比差异均无统计学意义（P＞0.05），8周末则具有统计学意义（P＜0.01）。SS-QOL评分在第4周末和第8周末相比差异无统计学意义（P＞0.05）。随访3个月、6个月末的死亡率、致残率和复发率差异均无统计学意义（P＞0.05）。组间多重比较，两组4、8周末 FMA、 BI和SS-QOL评分较治疗前比较差异有统计学意义（P＜0.01）。针刺康复组8周末疗效优于4周末（P＜0.01），康复组8周末与4周末相比差异无统计学意义（P＞0.05）。针刺康复组4、8周末SS-QOL评分显著高于治疗前（P＜0.01），8周末与4周末相比差异无统计学意义（P＞0.05），康复组各时间点SS-QOL评分两两比较差异有统计学意义（P＜0.01）。结论   对急性脑卒中患者进行早期针刺结合康复训练，可明显改善其肢体运动功能和日常生活活动能力。

       Objective  To observe the clinical efficacy of early acupuncture combined with rehabilitation training in acute-phase stroke patients．Methods  Single-blind，stratified，zone group randomized design grouping was adopted，and  randomly divided into acupuncture rehabilitation group and rehabilitation group．There were 35 cases in the acupuncture rehabilitation group and 35 cases in the rehabilitation group，received 4 courses，5 days in each course．Fugl-Meyer Assessment（FMA），Barthel Index（BI），Stroke Specific Quality of Life Scale（SS-QOL） scores and mortality，disability and recurrence rates at the end of 3 and 6 months of follow-up were used to compare the efficacy of the two groups．Results  Comparing the basic conditions of the two groups，the difference was not significant（P＞0.05）．Comparison between groups：differences FMA and BI scores between two groups at the end of 4 weekends were not significant（P＞0.05），while differences were significant（P＜0.01）at the end of 8 weekends．SS-QOL scores at the end of 4 weekends and the end of 8 weekends were not significant different between two groups（P＞0.05）．Mortality，disability and  recurrence  rates at the end of 3 and 6 months of follow-up were not significantly different（P＞0.05）．Multiple comparisons between groups：there were significant differences in FMA，BI and SS-QOL scores at the end of 4 and 8 weeks between the two groups compared with the pre-treatment period（P＜0.01）．The efficacy of the acupuncture rehabilitation group at the end of 8 weekends was significantly better than that at the end of 4 weekends（P＜0.01），and there was no statistically significant difference between the rehabilitation group at the end of 8 weekends and that at the end of 4 weekends（P＞0.05）．The SS-QOL scores at the end of 4 and 8 weekends in the acupuncture rehabilitation group were significantly higher than those before treatment（P＜0.01），and there was no statistically significant difference at the end of 8 weekends compared with that at the end of 4 weekends（P＞0.05），and there was a statistically significant difference in the two-by-two comparisons of SS-QOL scores at each time point in the rehabilitation group（P＜0.01）．Conclusions  Early acupuncture combined with rehabilitation training for acute stroke patients can significantly improve their extremities motor function and daily vitality．

       目的   探讨支气管镜灌洗用于儿童重症肺部感染合并肺实变的治疗效果及对CT特征、肺功能的影响。方法   选取2022年5月—2024年5月铜仁市人民医院收治的100例重症肺部感染合并肺实变患儿开展前瞻性研究，应用随机数表法分为对照组和观察组，每组各50例。对照组患儿采取常规治疗，观察组则采取常规治疗加支气管镜灌洗治疗。对比其临床疗效，治疗前后炎症因子、CT特征及肺功能变化。结果   观察组治疗总有效率高于对照组（P＜0.05）；治疗后观察组患儿白细胞计数（10.36±2.52）×10⁹ /L、白细胞介素-6（20.57±5.05）ng/L、C反应蛋白（13.12±2.64）mg/L、降钙素原（101.62±12.16）pg/L均低于对照组白细胞计数（13.25±3.32）×10⁹ /L、白细胞介素-6（31.69±4.11）ng/L、C反应蛋白（16.16±4.44）mg/L、降钙素原（113.46±18.11）pg/L（P＜0.05）；治疗后两组患儿胸腔积液、支气管壁增厚、空气支气管征、肺部实变、磨玻璃影等相关CT影像特征占比下降，且观察组低于对照组（P＜0.05）；治疗后两组患儿呼气流量峰值水平均升高，观察组（90.67±18.45）L/s高于对照组（81.27±17.69）L/s，用力肺活量水平均更高，观察组（3.33±0.68）L高于对照组（2.68±0.25）L（P＜0.05）。结论   针对儿童重症肺部感染合并肺实变，在常规治疗基础上增加支气管镜灌洗可提升临床疗效，减轻机体炎症反应，改善胸部CT各种表现及肺功能。

        Objective  To explore the therapeutic effects of bronchoalveolar lavage in children with  severe pulmonary infection complicated by lung consolidation and its impact on CT features and pulmonary function．Methods A prospective study was conducted on 100 children with severe pulmonary infection complicated with pulmonary consolidation in a hospital from May 2022 to May 2024．They were randomly divided into observation group and control group using a random number table method，50 cases in each group．The control group of children received routine treatment，and the observation group received conventional treatment plus bronchoalvelar lavage．Clinical efficacy，inflammatory factors，CT features，and alterations in pulmonary function before and after therapy were compared．Results  The total effective rate of the observation group was higher than that of the control group（P＜0.05）．After treatment，the white blood cell count（10.36±2.52）×10⁹ /L，interleukin-6（20.57±5.05）ng/L，C-reactive protein（13.12±2.64）mg/L，and procalcitonin（101.62±12.16）pg/L in the observation group were all lower than those in the control group（13.25±3.32）×10⁹ /L，interleukin-6（31.69±4.11）ng/L，C-reactive protein（16.16±4.44）mg/L，and procalcitonin（113.46±18.11）pg/L（P＜0.05）．After treatment，the proportion of CT imaging features such as pleural effusion，bronchial wall thickening，air bronchogram sign，lung consolidation，ground glass opacities，decreased in both groups of children，and the observation group was lower than the control group（P＜0.05）．After treatment，the peak levels of expiratory flow in both groups of children increased，with the observation group（90.67±18.45）L/s higher than the control group（81.27±17.69）L/s．The forced vital capacity levels were also higher，with the observation group（3.33±0.68）L higher than the control group（2.68±0.25）L（P＜0.05）．Conclusions  Adding bronchoalvelar lavage to routine treatment for children with severe pulmonary infection complicated with pulmonary consolidation can improve their clinical efficacy，alleviate inflammatory reactions，and improve various chest CT manifestations and lung function．

        目的   探讨出生胎龄＜37周早产儿发生败血症时的临床特征及其不良结局的危险因素。方法   收集2020年1月—2023年12月安徽医科大学第一附属医院本部新生儿科收治出生胎龄＜37周且发生败血症早产儿的临床资料；根据败血症发生时间分为早发型败血症（EOS）49例，晚发型败血症（LOS）150例；根据是否出现不良结局，分为结局不良组90例，结局良好组109例。分析EOS和LOS败血症的临床特征，并采用多因素Logistic回归分析早产儿败血症出现不良结局的危险因素。结果  早产儿败血症中EOS患儿出生胎龄更小，生后1 min Apgar评分更低，孕母羊水污染、胎膜早破≥18 h发生率较LOS更高（P＜0.05）；早产儿败血症临床表现无特异性，但LOS患儿休克发生率更高（P＜0.05）；早产儿易发生革兰阴性菌感染，合并先天性心脏病（OR=2.490，P＜0.05）、出生胎龄＜30周（OR=4.851，P＜0.05）、出生体质量小于1 500 g（OR=4.169，P＜0.05）是早产儿败血症发生不良结局的危险因素。结论  早产儿败血症临床表现无特异性，更易发生革兰阴性菌感染，出生胎龄越小、体质量越低发生不良结局的风险更高。

       Objective  To analyze the clinical characteristics and  risk factors of adverse outcomes of  sepsis in premature infants with gestational age ＜ 37 weeks．Methods  Clinical data of preterm infants ＜ 37 weeksof gestational age admitted to the Department of Neonatology of the First Affiliated Hospital of Anhui Medical University from January 2020 to December 2023 were collected．According to the timing of sepsis，49 cases with early-onset sepsis（EOS）and 150 cases with late-onset sepsis（LOS）were diagnosed．According to the outcome，90 cases were divided into the adverse outcome group and 109 cases were good outcome group．The clinical characteristics of EOS and LOS were analyzed，and the risk factors of adverse outcomes were analyzed by multivariate logistic regression．Results The gestational age of EOS infants was smaller at birth，the 1 minute Apgar score was lower ，and the incidence of amniotic fluid contamination and premature rupture of membranes ≥18h were higher than those in LOS infants（P＜0.05）．The clinical manifestations of sepsis in premature infants were not specific，but the incidence of shock was higher in LOS children（P＜0.05）．Preterm infants were more likely to develop gram-negative bacterial infection，congenital heart disease（OR=2.490，P＜0.05），gestational age ＜30 weeks（OR=4.851，P＜0.05），and birth weight ＜ 1 500 g（OR=4.169，P＜0.05）were identified as significant risk factors for adverse sepsis outcomes in preterm infants．Conclusions The clinical manifestations of septicemia in preterm infants are non-specific，and they are more likely to suffer from gram-negative bacterial infection．The younger the gestational age and lower the birth weight of preterm infants，the higher the risk of adverse outcomes after sepsis．

        目的   分析护生死亡态度的潜在类别及其影响因素，为开设符合我国国情的死亡教育课程提供参考。方法   采用便利抽样法，选取唐山市高校护生为调查对象。采用一般资料调查表、死亡态度描绘量表进行调查，基于潜在剖面分析护生死亡态度的类别及不同类别的影响因素。结果   共发放问卷520份，回收问卷516份，回收率为99.23%，剔除无效问卷11份，有效回收率为97.87%。护生死亡态度描绘量表得分为（96.91±13.20）分，经过剖面分析可划分为死亡态度积极-自然接受型（63.60%）和死亡态度消极-恐惧死亡型（36.40%）2个潜在类别。Logistic回归分析结果显示，陪伴临终亲友、未接触过死亡相关场所、半年内有亲友离世的护生属于死亡态度消极-恐惧死亡型的概率较大，自身性格偏外向、研究生学历的护生属于死亡态度积极-自然接受型的概率较大（均P＜0.05）。结论   护生死亡态度存在明显的分类特征，可分为死亡态度积极-自然接受型和死亡态度消极-恐惧死亡型2个潜在类别；相关院校可针对不同类别特征的护生开设死亡教育相关课程，以期帮助护生更深刻地认识死亡，树立科学死亡观。

       Objective  To analyze the potential categories and influencing factors of nursing students’ death attitude，to provide reference for setting up death education courses in line with China’s situation．Methods  Convenient sampling method was used to select nursing students in Tangshan．General data questionnaire and death attitude description scale were used to investigate the categories of nursing students’ death attitude and their influencing factors based on latent profiles．Results  A total of 520 questionnaires were sent out and 516 were collected with a rate of 99.23%．Eleven invalid questionnaires were excluded with an effective rate of 97.87%．The score of the death attitude description scale of nursing students was（96.91±13.20），which could be divided into two potential categories：positive death attitude - natural acceptance type（51.49%）and negative death attitude - fear type（48.51%）after profile analysis．Logistic regression analysis showed that nursing students who accompanied their dying relatives and friends，had no visit to death-related places，and had relatives and friends who died within six months had a higher probability of negative death attitude - fear of death，while nursing students with extrovert personality and graduate degree had a higher probability of positive death attitude - natural acceptance（all P＜0.05）．Conclusions  There were obvious classification characteristics of nursing students’ attitude towards death，which can be divided into two latent categories：positive attitude towards death - natural acceptance type and negative attitude towards death - fear type．Relevant colleges and universities can set up death education courses for nursing students with different characteristics，in order to help nursing students have a deeper understanding of death and establish a scientific view of death．