目的 探讨对分课堂对《老年人健康照护技术》实训教学效果的影响,为进一步完善智慧健康养老服务与管理专业实训教学方案提供参考依据。方法 以广州卫生职业技术学院2022级智慧健康养老服务与管理专业学生为研究对象,设定其中一班为观察组,另一班为对照组,在《老年人健康照护技术》实训教学过程中,观察组采用对分课堂的实训教学模式,对照组采用传统实训教学模式;实训结束后对两组均进行理论和技能考核,并在教学前后均采用《一般自我效能感量表》对两组学生进行测评。结果 试验开始之前,对两组学生一般自我效能感测评得分进行比较,差异无统计学意义（P>0.05）;试验结束后,将观察组与对照组的理论和技能考核成绩、一般自我效能感得分进行比较,观察组均明显高于对照组,差异有统计学意义（P<0.01）;且观察组一般自我效能感得分优于本组试验前,差异有统计学意义（P<0.01）。结论 对分课堂有利于提高学生的一般自我效能感,有助于改善《老年人健康照护技术》的实训教学效果,能够为进一步完善智慧健康养老服务与管理专业实训教学方案提供参考依据。

Objective To explore the impact of split courses on the practical training and teaching effectiveness of “Elderly Health Care Technology”,and to provide reference for further improving the practical training and teaching plan of smart health and elderly care services and management．Methods A study was conducted on students majoring in Intelligent Health and Elderly Care Services and Management from Guangzhou Health Vocational and Technical College in 2022．One class was set as the observation group and the other as the control group．During the training and teaching process of “Elderly Health Care Technology”,the observation group adopted a split courses training teaching mode,while the control group adopted a traditional training teaching mode．After the practical training,theoretical and skill assessments were conducted on both groups,and the General Self Efficacy Scale was used to evaluate both groups of students before and after teaching．Results Before the start of the experiment,there was no statistically significant difference in the general self-efficacy evaluation scores between the two groups of students（P>0.05）．After the experiment,the theoretical and skill assessment scores, general self-efficacy scores of the observation group, and the control group were compared．The observation group was significantly higher than the control group,with a significant statistical difference（P<0.01）,and the general self-efficacy score of the observation group was better than before the experiment,with a statistically significant difference as well（P<0.01）．Conclusions split courses were beneficial for improving students’ general self-efficacy,enhancing teaching effectiveness,and providing reference basis for further improving the practical training teaching plan for smart health and elderly care services and management．

目的 探讨近端和远端结直肠无蒂锯齿状病变在临床和内镜特征上的区别。方法 回顾性分析103例结直肠无蒂锯齿状病变患者的临床内镜资料,对近端和远端结直肠无蒂锯齿状病变患者在性别、年龄、内镜特征（息肉大小、山田分型、内镜NICE分型、蛇形微血管、黏液帽）等方面进行比较。结果 与远端结直肠无蒂锯齿状病变相比,近端结肠无蒂锯齿状病变发病年龄更早（P=0.014）,内镜下山田1型息肉更为常见（P=0.050）,黏液帽也是近端结肠无蒂锯齿状病变的重要内镜特征（P<0.001）。结论 近端无蒂锯齿状病变内镜下扁平隐匿,容易漏诊,掌握其内镜特征有助于提高该病的检出率。

Objective To explore the differences in clinical and endoscopic characteristics of sessile serrated lesions in the proximal and distal colorectum．Methods The clinical endoscopic data of 103 patients with sessile serrated lesions of the colorectum were retrospectively analyzed．The gender,age and endoscopic features（polyp size,Yamada classification,NICE classification,dilate vessels and the mucus cap）of patients with proximal and distal colorectal sessile serrated lesions were compared retrospectively．Results Compared with distal colorectal sessile serrated lesions,the age of onset of proximal colon sessile serrated lesions was earlier（P=0.014）,endoscopic Yamada type 1 polyps were more common（P=0.050）,and mucus cap was also an important endoscopic feature of proximal colon sessile serrated lesions（P<0.001）．Conclusions The proximal sessile serrated lesions are flat and hidden under endoscopic examination which are easily missed．Understanding their endoscopic characteristics can help improve the detection rate of the disease．

目的 探索机械通气患者发生呼吸机相关性肺炎（VAP）的危险因素,为医疗机构降低VAP的发生率提供参考依据。方法 采用回顾性病例对照的方法,收集2020年1月—2021年4月入住重症医学科（ICU）接受机械通气>48 h、年龄>18岁的患者资料。根据诊断标准确定20例VAP患者作为病例组,在同期住院患者筛选性别、年龄与病例匹配的20例未发生VAP患者为对照组,并对两组间各项临床指标进行统计分析。结果 两组患者在接受机械通气前入院诊断情况、是否手术和合并慢性阻塞性肺炎、APACHEⅡ评分、置管地点比较差异均无统计学意义（P>0.05）;机械通气时白细胞、C反应蛋白、降钙素原比较差异无统计学意义（P>0.05）。与对照组相比,病例组住院总日数、住ICU天数、机械通气时间、吸痰护理次数、抗生素使用天数明显增加（均P<0.05）。其中ICU中VAP以耐碳青霉烯类鲍曼不动杆菌（占比70%）感染为主;环境卫生学监测发现,患者周围环境、护士站及使用后的消毒物品均检出鲍曼不动杆菌,说明医务人员手卫生依从性差及环境消毒不彻底也是导致院内VAP发生的原因之一。病例组住院总费用中位数为145 207元,对照组为60 745.48元,VAP造成的平均经济损失为84 461.52元/例。病例组各项医疗费用均高于对照组,比较差异有统计学意义（P<0.05）。结论 机械通气期间不适当的诊治、环境消毒不到位、手卫生依从性差可能是造成医疗机构VAP发生的主要原因。

Objective To explore the risk factors of ventilator-associated pneumonia（VAP）in patients with mechanical ventilation,and provide a reference basis for medical institutions to reduce the occurrence of VAP．Methods A retrospective case-control method was used to collect data of patients who hospitalized in intensive care unit（ICU）from January 2020 to April 2021,received mechanical ventilation > 48 h and were >18 years old．According to the diagnostic criteria,20 patients with VAP infection were enrolled as the case group．During the same period,20 non-infected patients who matched sex,age with case group patients were enrolled as the control group,and the clinical indicators between the two groups were statistically analyzed．Results There were no significant differences between the two groups in terms of admission diagnosis,surgery and chronic obstructive pulmonary disease,APACHEII score and place of intubation before mechanical ventilation（P>0.05）．There were no significant differences in white blood cell,C-reactive protein and procalctionin,CRP and PCT during the mechanical ventilation period（P>0.05）．Compared with the control group,the length of stay in hospital,the length of stay in ICU,the time of mechanical ventilation,number of sputum suction nursing,and the days of antibiotic use increased significantly（all P<0.05）．Among them,Acinetobacter baumannii resistant to carbapenem in ICU（accounting for 70%）was the main cause of VAP infection．The environmental hygiene monitoring found that Acinetobacter baumannii was detected in the patient’s surrounding environment,the nurse station and the disinfected items after use,indicating that the low hand hygiene compliance of medical staff and the incomplete disinfection of the environment were also the causes of VAP infection in the hospital．The median of total cost of hospitalization in the case group was 145 207 yuan,while that in the control group was 60 745.48 yuan．The average economic loss caused by VAP infection was 84 461.52 yuan each case．The medical expenses of the case group were higher than those of the control group,with a statistically significant difference（P<0.05）．Conclusions Improper diagnosis and treatment during the mechanical ventilation period,poor environmental disinfection,low hand hygiene compliance of medical staff are probably the main reasons for the occurrence of VAP in this institution．

目的 探讨脊柱微调手法治疗产后腰椎-骨盆复合体疼痛的临床疗效及对腰椎前凸曲度（LL）和骨盆入射角度（PI）的调整作用,为产后腰椎-骨盆复合体疼痛的治疗提供理论依据。方法 选取2022年7月—2023年7月在上海市杨浦区中医医院推拿科和上海中医药大学附属岳阳中西医结合医院推拿科门诊治疗的产后腰椎-骨盆复合体疼痛患者共82例,随机分为对照组和治疗组,每组41例。对照组采用传统理筋推拿手法,治疗组采用脊柱微调手法治疗,两组疗程均为8周,观察临床疗效,比较两组患者的疼痛数字评分法（NRS）、Oswestry功能障碍指数（ODI）、LL和PI在治疗前后组间与组内的变化。结果 治疗组总有效率为95.12%,对照组总有效率为75.60%,治疗组优于对照组（P<0.05）。治疗后,两组NRS评分、ODI评分较治疗前均有下降,且治疗组优于对照组（P<0.05）。治疗后,两组LL和PI测量较治疗前均无明显变化,治疗组与对照组比较差异无统计学意义（P>0.05）。结论 脊柱微调手法能有效减轻患者疼痛、提升日常活动功能,但对腰椎曲度、骨盆入射角未产生移位影响,安全性高。

Objective To explore the clinical efficacy of spinal fine adjustment manipulation in the treatment of postpartum lumbopelvic pain（PLPP） and its role in adjusting lumbar lordosis and pelvic incidence,and to provide theoretical basis for the treatment of PLPP. Methods A total of 82 patients with PLPP who were treated in the outpatient clinics of the Tuina Department of Yangpu District Hospital of Traditional Chinese Medicine and the Tuina Department of Yueyang Hospital of Integrative Chinese and Western Medicine affiliated to Shanghai University of Traditional Chinese Medicine from July 2022 to July 2023 were selected and randomly divided into the control group and the treatment group,with 41 cases in each group．The control group was treated with the traditional tendon manipulation and the treatment group was treated with spinal fine adjustment manipulation,and the course of treatment for both groups was 8 weeks．Clinical efficacy was observed,and the changes of pain Numerical Rating Scale（NRS）,Oswestry disability index（ODI）,lumbar lordosis（LL）,and pelvic incidence（PI）of the two groups were compared between the two groups and within the two groups before and after the treatment. Results The total effective rate was 95.12% in the treatment group and 75.60% in the control group,and the treatment group was superior to the control group（P<0.05）．After treatment,the NRS and ODI of both groups were lower than before treatment,and the treatment group was better than the control group（P<0.05）． After treatment,there was no significant change in LL and PI in both groups compared to pre-treatment．There was no significant difference between the treatment group and the control group（P>0.05）. Conclusions Spinal fine adjustment manipulation can effectively reduce the pain of patients and improve the function of daily activities,but it has no displacement effect on LL and PI,which is safe and suitable for clinical promotion and application．

目的 探讨耳内镜下超薄耳屏软骨-软骨膜修补鼓膜大穿孔的效果。方法 回顾性分析31例应用超薄耳屏软骨-软骨膜行耳内镜下夹层法鼓膜修补术的患者资料,随访6个月,分析术后鼓膜愈合率、听力恢复情况。结果 30例鼓膜愈合,成功率96.8％,无移植物外移、内陷、钝角愈合;术前平均气导听阈为（38.3±3.3）dB HL,骨气导差为（23.5±3.1）dB HL,术后平均气导听阈为（22.3±1.6）dB HL,骨气导差为（6.3±2.5）dB HL,听力较术前提高（P<0.001）。结论 超薄耳屏软骨-软骨膜在耳内镜下鼓膜大穿孔修补术中效果较好,并发症少,是可靠的修复材料,值得临床推广应用。

Objective To investigate the clinical efficacy of endoscopic ultrathin tragus cartilage-perichondrium as graft material for treatment of large tympanic membrane perforations. Methods A total of 31 cases（31 ears）which were diagnosed as chronic suppurative otitis with large tympanic membrane perforation were performed endoscopic myringoplasty with ultrathin tragus cartilage-perichondrium by sandwich technique．The pure tone threshold average（PTA）of speech frequency and the air-bone gap were assessed at 6 month safter surgery. Results Successful closure without reperforation was obtained in 30 of 31 patients（96.8%）．There was no graft lateralization,anterior blunting ．Average postoperative air conduction and bone-air conduction gap were（22.3±1.6）dB HL and（6.3±2.5）dBHL compared with（38.3±3.3）dB HL and（23.5±3.1）dB HL preoperatively（P<0.001）. Conclusions The ultrathin tragus cartilage-perichondrium is liable repair material for large tympanic membrane perforation with excellent graft take and significant improvement of hearing,which is worthy of clinical promotion．

目的 探讨养老机构老年人死亡态度及其影响因素。方法 选取2018年1月—2022年12月广州市养老机构的593名老年人进行问卷调查,统计养老机构老年群体对死亡的态度,并分析其死亡态度发生的影响因素。结果 经过研究发现,对死亡的态度呈自然接受的老年人数量最少,为42例,占比为7.1%,其次从高到低依次为逃离接受老年人308例,占比为51.9%;死亡恐惧老年人83例,占比为14.0%;死亡逃避老年人81例,占比为13.7%;趋近接受老年人79例,占比为13.3%。患者的死亡态度与患者所患的疾病病种有关,影响死亡态度的因素包括：生理心理因素、文化思想因素、社会环境因素,其中发生概率最高的是生理心理因素,占比为50.9,其次从高到低依次为文化思想因素,占比为26.5%;社会环境因素,占比为22.6%。死亡态度中趋近接受维度的分值相对更高,其次依次为死亡恐惧、自然接受、死亡逃避以及逃离接受。单因素分析显示差异有统计学意义的项目包含家庭内讨论死亡、性别、健康自评状况、年龄、患病种数、经济结构。结论 在养老机构中,大多数老年人对死亡是无法自然接受的,大部分老年群体对死亡的态度是逃离接受,部分群体对死亡的态度是恐惧、逃避;而影响老年群体死亡态度的因素主要是生理心理因素。

Objective To explore the death attitudes and its influencing factors among the elderly in nursing institutions. Methods A questionnaire survey on death attitudes was conducted among 593 elderly individuals in nursing institutions in Guangzhou from January 2018 to December 2022,and their possible influencing factors were analyzed. Results There were 51.9% of the elderly individuals whose death attitudes were characterized by escape acceptance,while 7.1% demonstrated natural acceptance．However,the numbers of the elderly individuals with approaching acceptance,fear of death and escape from death showed no significant statistical difference,all being lower than the number of the elderly individuals with escape acceptance．The influencing factors of death attitude included physiological and psychological factors,cultural and ideological factors,and social environment factors．The probability of physiological and psychological factors influencing death attitudes was higher than that of other factors（P<0.05）．The score for the dimension of approaching acceptance in death attitudes was higher than that for other dimensions（P<0.05）. Conclusions In nursing institutions,the majority of elderly individuals cannot naturally accept death．Most elderly individuals exhibit an attitude of escape acceptance towards death,while some exhibit an attitude of fear and escape．However,the factors influencing the elderly's attitudes towards death are mainly physiological and psychological factors．

目的 探讨影响颈内动脉闭塞（ICAO）患者预后的相关因素,为临床改善ICAO患者预后提供理论依据。方法 回顾性分析2017—2022年广西医科大学附属武鸣医院因ICAO入住神经内科的131例患者,根据ICAO发病时间分为急性颈内动脉闭塞（AICAO）和慢性颈内动脉闭塞（CICAO）,根据预后的不同,分为预后良好和预后不良组,比较两组的基本信息（性别、年龄等）、既往病史（包括高血压、糖尿病、冠心病等）、发病时神经功能损害程度（美国国立卫生研究院卒中神经功能缺损评分NIHSS评分）、侧支循环代偿评分、介入手术开通治疗、出血转化之间的差异,分析影响患者预后的相关因素。结果 CICAO患者总体预后良好,AICAO预后良好组患者发病时NIHSS评分<6分、侧支循环代偿良好比例高于预后不良组,而出血转化率低于预后不良组,组间比较差异均有统计学意义（P<0.05）。二分类Logistic回归分析显示,发病时NIHSS评分、侧支循环代偿评分、介入手术开通治疗、出血转化、次全闭塞对AICAO预后影响有统计学意义（P<0.05）。两组间的基本信息、既往病史、介入手术开通治疗等比较差异无统计学意义（P>0.05）。结论 CIACO较AICAO总体预后良好,发病时NIHSS评分<6分、侧支循环代偿良好、无出血转化是IACO预后良好的相关因素。发病时NIHSS评分高、侧支循环代偿不良、出血转化是ACAO预后不良的危险因素

Objective To evaluate the prognostic significance of a group of clinical indices in the patients with internal carotid artery occlusion（ICAO）. Methods From 2017 to 2022,a total of 131 patients with ICAO were enrolled．All eligible patients were divided into acute ICAO（AICAO）and chronic ICAO groups（CICAO）,which were subdivided into good and poor prognosis groups．A respective analysis was performed to identify a practical profile for the outcome prediction of the patients with ICAO. Results The overall prognosis of CIACO was good．The proportion of NIHSS score < 6 in AICAO group with good prognosis and good collateral circulation compensation was significantly higher than that in poor prognosis group,while bleeding conversion was lower than that in poor prognosis group,with statistical significance（P<0.05）．Dichotomous logistic regression analysis showed that the prognostic effects of NIHSS score,collateral circulatory compensation score,interventional initiation,hemorrhagic transformation,and subtotal occlusion on the prognosis of AICAO were statistically significant．There were no significant differences in basic information,past medical history,interventional operation between the two groups（P>0.05）. Conclusions The patients with CICAO have a better prognosis than those with AICAO．NIHSS score < 6,good collateral circulation and no-hemorrhagic transformation may have strong prognostic relevance to ICAO．High NIHSS score,poor collateral circulation and hemorrhagic transformation at the time of onset are risk factors for poor prognosis of ACAO ．

阿尔茨海默病（Alzheimer's disease,AD）是一种复杂的、起病隐秘的、病因不明的、缺乏特异性诊断方式的神经退行性病变。面对与日俱增的患病率,却缺乏有效的治疗方式。中医药治疗方式具有多层次、多靶点、多通路的独特优势,中西医结合方式的互补,非药物疗法的辅助,干细胞疗法、新的分子药物、抗体及蛋白疫苗、γ感官刺激等新颖的实验阶段新疗法等方式治疗AD。本文综述近年来的不同治疗方式治疗AD研究新进展,旨在为临床上治疗AD提供新思路、新方法及参考价值。

Alzheimer's disease is a complex,secrectly onset neurodegenerative disease with unknown etiology,and lacking of specific diagnosis．In the face of the increasing prevalence,there is a lack of effective treatment ways．The treatment of traditional Chinese medicine has the unique advantages of multi-level,multi-target,and multi-channel．With the combination of traditional Chinese and Western medicine and supplement to non-drug therapy,stem cell therapy,new molecular drugs,antibodies and protein vaccines,γ sensory stimulation,and other novel experimental stage new therapies are uesd in the treatment of AD．The article focuses on the new progress of different treatment methods in the treatment of AD in recent years,aiming to provide new ideas,new methods,and reference value for the clinical treatment of Alzheimer's disease．

心血管疾病是导致我国居民死亡的首要原因。在2006—2019年间,我国每年因心血管疾病死亡的人数从215万人增加到328万人。斑马鱼因个体小、成本低廉、体外发育、身体透明、基因组与人类高度同源等特点,近年来被广泛应用于医学研究。斑马鱼模型有利于推动心血管疾病领域的基础性研究。该文通过对前期研究进行综述,重点介绍了斑马鱼模型在心血管疾病中基因筛选、心脏再生、药物筛选、毒性评估等方面的研究进展。

Cardiovascular disease is the leading cause of death in China．Between 2006 and 2019,the annual number of deaths due to cardiovascular diseases increased from 2.15 million to 3.28 million．Zebrafish has been widely used in medical research in recent years because of its small individual size,low cost,in vitro development,transparent body and high homology of genome with human．The zebrafish model is conducive to promoting basic research in the field of cardiovascular disease．Based on the review of previous studies,this paper focuses on the research progress of zebrafish model in gene screening,cardiac regeneration,drug screening,toxicity assessment and other aspects of cardiovascular diseases．

胶质瘤是颅内最常见的原发性恶性肿瘤,其分级对患者治疗方式的选择和预后至关重要。尽管目前组织病理学仍是其最为可靠的分级手段,但需通过有创性手术以获取组织样本,存在一定的风险。相较之下,磁共振成像（MRI）作为一种非侵入性影像诊断工具,在胶质瘤分级中发挥着不可或缺的作用。然而,传统MRI评估受限于医师个体主观性强和可重复性差的问题,一定程度上影响了准确的分级结果。近年来,影像组学技术的崭露头角为解决上述难题开辟了新视角,通过高通量提取影像数据特征捕捉并量化肿瘤的影像学表现,避免因主观因素而导致的不确定性,协助医师更准确地评估肿瘤的恶性程度。本文对近五年来MRI影像组学在胶质瘤术前分级预测方面的相关研究进行了简要综述,旨在为相关领域研究者提供有益的参考和借鉴,以推动MRI影像组学在临床实践中的应用。

Glioma is the most common primary malignant brain tumor,and its grading is crucial for treatment decisions and prognosis．Currently,histopathology remains the gold standard for grading,but it requires invasive procedures and carries inherent risks．In contrast,magnetic resonance imaging（MRI）,a non-invasive diagnostic tool,plays an indispensable role in glioma grading．However,traditional MRI assessment is hampered by interobserver subjectivity and limited repeatability,which compromise grading accuracy．In recent years,radiomics,a burgeoning field,has offered a promising solution to address these challenges．By extracting high-dimensional imaging data features,radiomics enables the quantification of tumor radiological characteristics and elimination of subjectivity-related discrepancies．This technology assists clinicians in more precisely assessing the malignancy of gliomas．This article summarizes relevant studies in the past five years on the application of MRI radiomics in preoperative glioma grading,aiming to provide valuable insights and guidance to researchers in the field and promote the clinician implementation of MRI radiomics．