目的 调查儿科急诊非急诊手术患儿输血后红细胞恢复的影响因素。方法 回顾2020年1月—2020年12月期间广州市妇女儿童医疗中心珠江新城院区儿科急诊1月~18岁患儿的输血情况,其中分为Hb提升达预期组（n=93）,Hb提升未达预期组（n=156）,根据年龄、性别、体质量、是否恶性肿瘤、是否发热、有无延迟输血、输血前血红蛋白水平、输注红细胞类型情况,分析输血疗效及影响因素。结果 2组患儿的性别、年龄、体质量、有无恶性肿瘤、是否发热、输血等待时间、输血前后血红蛋白值、输注红细胞悬液量以及有无及时输血均无统计学差异;输注红细胞类型组间存在显著差异,Hb提升未达预期组更多输注了洗涤红细胞悬液（13.5% vs 5.4%,P=0.044）,输血后 Hb 值较低（中位数,73 g/L vs 84 g/L,P<0.001）,变化 Hb 值较小（中位数,18 g/L vs 30 g/L,P<0.001）,归因分析未发现影响因素。结论 输注洗涤红细胞可能是降低输血后红细胞提升的影响因素,输注洗涤红细胞时需严格输血指征同时注意红细胞提高预值的设定。

Objective To investigate the influencing factors of blood transfusion efficacy in patients without emergency operations in pediatric emergency．Methods A retrospective analysis of the blood transfusion of pediatric emergency children（1 month~ 18 year of age）in Zhujiang New Town Branch of Guangzhou Women and Children's Medical Center from January 2020 to December 2020 was carried out,patients were divided into Hb elevation up to expectation group（n=93）and Hb elevation not up to expectation group（n=156）．The efficacy of blood transfusion and the factors affecting it were analyzed according to age,gender,body mass,with or without malignant tumor,whether fever was present,whether there was delayed transfusion,pre-transfusion hemoglobin level,and the type of red blood cells transfused．Results There were no significant differences in gender,age,weight,malignant tumor,fever,waiting time for blood transfusion,hemoglobin level before and after blood transfusion,infusion volume of red blood cell suspension and whether had timely blood transfusion between the two groups．Significant differences were found between groups of transfused red blood cell types,with more washed red blood cell suspensions transfused in the Hb elevation not meeting expectations group（13.5% vs 5.4%,P=0.044）,which had lower post-transfusion Hb values（median,73 g/L vs 84 g/L,P<0.001）,and smaller change Hb values（median,18 g/L vs 30 g/L,P<0.001）,and attribution analysis did not reveal influencing factors．Conclusions Transfusion of washed red blood cell may be an influencing factor that reduces the RBCs elevation after transfusion．Attention should be paid to strict indications for washed red blood cell transfusion and setting the expected Hb level.

目的 为寻找治疗盆腔炎性疾病（PID）的有效治疗方案,对比分析头孢哌酮舒巴坦钠+吗啉硝唑、康妇炎胶囊联合头孢哌酮舒巴坦钠及吗啉硝唑两种用药方案治疗PID的效果差异,期望为今后临床中合理选择PID药物治疗方案提供参考依据。方法 选取2019年1月—12月期间在我院接受治疗的104例急性PID患者（湿毒壅盛证）作为研究对象,用随机信封分为参照组、研究组,各52例。予以参照组患者头孢哌酮舒巴坦钠+吗啉硝唑静脉滴注治疗,研究组患者在参照组基础上口服康妇炎胶囊,均持续治疗14 d。观察2组患者近期疗效、炎性因子、盆腔炎性疾病包块、远期复发率（6个月、1年）、远期生活质量,综合评价两种用药方案应用效果。结果 治疗14 d后,研究组总有效率96.00%,高于参照组的80.39%,差异显著（P<0.05）;WBC、CRP、IL-2、TNF-α四项炎性因子水平均低于参照组,差异显著（P<0.05）;腔包块直径、疼痛评分均低于参照组,差异显著（P<0.05）。随访6个月、1年,研究组患者PID复发率分别为4.00%、10.00%,均低于参照组的15.69%、29.41%,差异显著（P<0.05）。结论 以康妇炎胶囊联合头孢哌酮舒巴坦钠及吗啉硝唑治疗PID,能够提升患者的近期治疗效果,改善炎性反应、盆腔炎性疾病包块,降低远期复发风险,改善远期生活质量,而且能够保证用药安全性,具有推广使用价值。

Objective To find an effective treatment for pelvic inflammatory disease（PID）,and to compare and analyze the difference of efficacy of cefoperazone and sulbactam sodium + molinidazole,Kangfuyan capsule combined with cefoperazone and sulbactam sodium + molinidazole in the treatment of PID,in order to provide reference for rational selection of PID drug treatment in future clinical practice．Methods A total of 104 patients with acute PID（excessive wet toxin accumulation syndrome）who received treatment in our hospital from January to December 2019 were selected as the research objects．They were randomly divided into the control group and the research group with 52 cases in each group．Patients in the control group were given intravenous infusion of cefoperazone and sulbactam sodium + morinidazole,and patients in the research group were given Kangfuyan capsule orally on the basis of the control group,all treated for 14 days．The short-term efficacy,inflammatory factors,pelvic inflammatory mass and pain improvement,adverse reactions,long-term recurrence rate（6 months,1 year）,long-term quality of life in two groups were observed,and the application effect of the two drug regimens was comprehensively evaluated．Results After 14 days of treatment,the total effective rate of the research group was 96.00%,which was higher than that of the control group（80.39%）,with significant difference（P<0.05）．After treatment,the levels of WBC,CRP,IL-2 and TNF-α were lower than those of the control group,and the differences were significant（P<0.05）．After treatment,lumen mass diameter and pain score were lower than the control group,the differences were significant（P<0.05）．After 6 months and 1 year follow-up,the PID recurrence rate of the research group was 4.00% and 10.00% respectively,both lower than that of the control group（15.69% and 29.41%）,with significant difference（P<0.05）．Conclusions Using Kangfuyan capsule combined with cefoperazone and sulbactam sodium + molinidazole in the treatment of PID,can improve the patient's recent treatment effect,improve the inflammatory reaction,pelvic inflammation mass, lower long-term risk of recurrence,improve the long-term quality of life,and can ensure medication safety,with promotion value.

目的 观察帕立骨化醇治疗维持性血液透析并发继发性甲状旁腺功能亢进（SHPT）患者6个月的疗效。方法 选取40例血液透析合并 SHPT的患者,分成观察组和对照组,分别使用帕立骨化醇和骨化三醇治疗6个月,监测治疗前、治疗后血清全段甲状旁腺素（iPTH）、血钙、血磷水平。比较2组患者治疗6个月后iPTH、血钙、血磷变化情况。结果 治疗6个月后,观察组iPTH水平较对照组下降,观察组血钙水平较对照组上升幅度小,观察组血磷水平较对照组下降。结论 帕立骨化醇治疗6个月能显著降低血透并发SHPT患者的iPTH水平,治疗效果显著,且不会增加高钙、高磷血症风险,药物安全性好。

Objective To observe the effectiveness of paricalcitol in the 6-month treatment of maintenance hemodialysis patients with secondary hyperparathyroidism（SHPT）．Methods Forty maintenance hemodialysis patients with SHPT were selected and divided into observation group and control group．They were treated with paricalcitol or calcitriol for 6 months,respectively．Serum levels of intact parathyroid hormone（iPTH）,calcium and phosphorus were monitored before and after treatment．The changes of iPTH,calcium and phosphorus were compared between the two groups after 6 months of treatment．Results After 6 months of treatment,the level of iPTH in the observation group decreased significantly compared with the control group,the level of calcium in the observation group increased slightly compared with the control group,and the level of phosphorus in the observation group decreased significantly compared with the control group．Conclusions This observational study shows that paricalcitol can significantly reduce the iPTH level in hemodialysis patients with SHPT after treatment for 6 months,without increasing the risk of hypercalcemia and hyperphosphatemia.

目的 探讨尿液前列腺特异性抗原（u-PSA）预测老年良性前列腺增生（BPH）发生急性尿潴留（AUR）的价值。方法 选取东莞市中医院100例老年BPH患者（2020年1月—2021年4月）进行回顾性研究,均口服盐酸坦索罗辛+非那雄胺片治疗,随访1年,记录AUR发生情况,据此分为AUR组、非AUR组。比较2组一般资料,Logistic回归模型分析老年BPH发生AUR的危险因素,受试者工作特征（ROC）分析前列腺体积（PV）、u-PSA对老年BPH发生AUR的预测价值。结果 100例老年BPH患者AUR发生率为26%;AUR组u-PSA水平高于非AUR组,PV大于非AUR组（P<0.05）;Logistic回归模型分析,u-PSA水平及PV增高是老年BPH患者发生AUR的独立危险因素（P<0.05）;ROC曲线分析,u-PSA预测AUR的AUC=0.897,高于AUC_PV（P<0.05）。结论 u-PSA可作为老年BPH继发AUR的量化评估指标,有利于临床早期筛查、诊断,采取针对性干预措施,改善预后。

Objective To investigate the value of urinary prostate-specific antigen（u-PSA）in predicting acute urinary retention（AUR）in elderly patients with benign prostatic hyperplasia（BPH）．Methods A total of 100 elderly patients with BPH in our hospital（from January 2020 to April 2021）were selected for a retrospective study,all of whom were treated with oral tamsulosin hydrochloride + finasteride tablets,followed up for 1 year,and the occurrence of AUR was recorded．The patients were divided into AUR group and non-AUR group．The general data of the two groups were compared．Logistic regression model was used to analyze the risk factors of AUR in elderly BPH patients,and receiver operating characteristic（ROC）was used to analyze the predictive value of prostate volume（PV）and u-PSA for AUR occurrence．Results The incidence of AUR in 100 elderly patients with BPH was 26%;the level of u-PSA in the AUR group was higher than that in the non-AUR group,and the PV was greater than that in the non-AUR group（P<0.05）．Increased PV was an independent risk factor for AUR in elderly patients with BPH（P<0.05）．ROC curve analysis showed that the AUC of u-PSA for predicting AUR was 0.897,which was higher than that of PV（P<0.05）．Conclusions u-PSA can be used as a quantitative evaluation index for AUR secondary to BPH in the elderly,which is conducive to early clinical screening and diagnosing,and taking targeted intervention measures to improve prognosis.

目的 观察电子束照射对体外培养的细粒棘球蚴形态结构、死亡率及其p38 mRNA表达的影响。方法 采集自然感染的绵羊肝中的细粒棘球蚴原头蚴,随机分成3组,分别用0 Gy、30 Gy、60 Gy的不同剂量的6 MeV电子束各照射1次,照射后连续培养3 d、14 d,光镜观察虫体的大体变化及死亡率,qRT-PCR法测定p38基因的表达水平。结果 60 Gy组较0 Gy、30 Gy组原头蚴变性坏死数目明显增多,死亡率有差异（P<0.0125）,连续培养天数（3 d、14 d）对虫体死亡率无影响。经电子束照射后,30 Gy、60 Gy组原头蚴p38 mRNA表达水平较0 Gy组升高（P<0.05）。结论 体外培养的原头蚴经电子束照射后大体形态结构发生明显变化、死亡率升高,且与电子束的剂量存在量效关系;p38 mRNA的表达量随着电子束的剂量的增加而升高,p38基因可能参与电子束所致体外杀伤棘球蚴的作用机制。

Objective To observe the effect of 6 MeV electron beam on the morphological structure,mortality rate and expression of p38 mRNA and in Echinococcus granulosus．Methods Einococcus granulosus was collected from natural infected sheep liver and divided into 3 groups randomly,then irradiated by 6 MeV electron beam of 0 Gy,30 Gy and 60 Gy,respectively．After culturing for 3 and 14 days,the gross change and mortality of worms were observed by light microscopy and the expression level of p38 gene was determined by qRT-PCR．Results In 60 Gy group,compared with 0 Gy and 30 Gy group,the gross morphology and structure have changed significantly,the mortality rate was significantly different（P <0.0125）．Days of culture（3 days,14 days）had no obvious effect on mortality,and the p38 mRNA expression levels in 30 Gy and 60 Gy group were significantly higher than 0 Gy group（P <0.05）．Conclusions The gross morphology,structure changes and mortality of Einococcus granulosus increases significantly after electron beam irradiation and has obvious quantitative and effective relationship with the electron beam dose,the p38 gene may be involved in the mechanism of in vitro killing by electron beam.

肿瘤相关巨噬细胞（TAMs）是肿瘤微环境中最丰富的免疫细胞之一,M2-TAMs在肿瘤发生、发展、转移和治疗过程中发挥重要作用,被认为是肿瘤治疗中的重要靶点。已有的研究表明,通过将促肿瘤的M2-TAMs重编程为促炎的M1-TAMs可实现抑制肿瘤生长和转移。本综述在介绍TAMs与肿瘤治疗相关背景的基础上,重点关注纳米药物重编程TAMs增强抗肿瘤的研究进展。本文将从TAMs靶向递送各种活性物质进行重编程TAMs和纳米药物介导的异常肿瘤微环境调节的间接重编程TAMs两种方式,综述近年来基于纳米药物递送系统的调控策略及典型例子。

Tumor associated macrophages（TAMs）is one of the most abundant immune cells in the tumor microenvironment．M2-TAMs play an important role in tumor genesis,progression,metastasis and treatment,and is additionally a very important target in tumor therapy．Previous studies have shown that inhibition of tumor growth and metastasis can be achieved by reprogramming M2-TAMs to M1-TAMs．On the basis,this review focuses on the analysis progress of nano-drug reprogramming TAMs to boost anti-tumor．In this paper,we reviewed two methods of reprogramming TAMs for targeted delivery of various active substances and indirect reprogramming TAMs for abnormal tumor microenvironment regulation mediated by nanomedicine．The regulatory strategies and typical samples of nanomedicine delivery systems in recent years were summarized.

现代人面临更大的工作与生活压力,每天的生活节奏较快,因此经常出现饮食不规律、饮食结构不合理等现象,这样就增加了肠胃疾病的发生率。胃肠道间质瘤（GIST）以人体胃肠道最为常见的肿瘤疾病,该病患者占全部胃肠道间叶性肿瘤患者人数的80%以上。GIST根据疾病进展、间质瘤体积等不同因素又能够分为不同的疾病类型,需采取对应的诊断措施与治疗措施。本文将针对胃小间质瘤的流行病学、临床症状、临床诊断以及治疗措施等进行研究与分析,以供参考。

Modern people are facing greater pressure in work and life,and the pace of daily life is fast．Therefore,irregular diet and unreasonable diet structure often occur,which increases the incidence of gastrointestinal diseases．Gastrointestinal stromal tumor（GIST）is the most common tumor disease in human gastrointestinal tract,accounting for over 80% of all patients with gastrointestinal mesenchymal tumors．GIST can be divided into different types according to different factors such as disease progression and stromal tumor volume,thus corresponding diagnostic and therapeutic measures should be taken．This paper studied and analyzed the epidemiology,clinical symptoms,clinical diagnosis and treatment of gastric small stromal tumors for reference．

目的 探究前瞻性护理对老年吸入性肺炎的影响和作用。方法 选择2017年8月—2018年12月住院采取常规护理的94例老年患者作为对照组,选择2019年1月—2020年10月住院的114例老年患者作为观察组进行前瞻性护理,比较对照组和观察组吸入性肺炎的发病率。结果 观察组吸入性肺炎发病率低于对照组（P<0.05）。结论 前瞻性护理可及早筛选并识别老年患者发生吸入性肺炎的危险因素,依此采取相应的护理措施,降低吸入性肺炎的发病率。

Objective To explore the effect of prospective nursing on preventing aspiration pneumonia in elderly patients．Methods A total of 94 elderly patients who were hospitalized from August 2017 to December 2018 and received routine care were selected as the control group,and 114 elderly patients who were hospitalized from January 2019 to October 2020 were selected as the observation group for prospective care,and the incidence of aspiration pneumonia in the control group and the observation group were compared．Results The incidence of aspiration pneumonia in the observation group was lower than that in the control group（P<0.05）．Conclusions Prospective nursing can identify risk factors of aspiration pneumonia in elderly patients,and take appropriate nursing measures to reduce the incidence of aspiration pneumonia．

目的 分析华北地区某医院院前急救医疗服务的资源利用状况,并依据相关影响因素针对院前急救医疗服务过程中存在问题提出相应对策。方法 收集2021年3月—2022年4月期间就诊于华北地区某医院急诊科患者的一般资料、就诊过程、症状特征。依据是否接受过院前急救服务、是否为疾病急性发作的危重症患者将患者分为4组,分析比较4组患者在一般资料、疾病病症特点两个方面是否存在统计学差异,探索影响院前急救医疗资源合理利用的相关因素。结果 本研究总计收纳患者病例5 800例,其中接受院前急救医疗服务的患者共840例占总调查人数的14.5%,其中危重症患者530例（63.1%）,非危重症患者310例（36.9%）;未接受院前急救医疗服务的患者为4 960例占总调查人数的85.5%,其中危重症患者803例（16.2%）。对所得数据采用多因素回归方法分析得知,在急诊科接受的危重症患者中急性胸痛与突发性头痛是选择不使用院前急救医疗措施的独立影响因素。在非危重症患者中发热、外伤、腹痛是非急重症患者接受院前急救医疗服务的独立影响因素。结论 院前急救医疗服务资源的提供与利用在实际应用的过程中存在资源闲置与服务空缺的问题。危重症患者在入院前仍有较大比例的患者没有选择接受院前急救医疗服务。该情况表明当前居民对危重症患者危重症状及院前急救医疗服务了解与认知不足,对此有必要加强对居民关于院前急救服务的科普宣教工作,并借助现有医疗服务力量支持院前急救医疗服务的规范与准则,这对保障患者生命安全,争取危重症患者存活机会,促进急救资源合理利用具有重要意义。

Objective To analyze the resource utilization status of pre-hospital emergency medical services in a hospital in North China,and to propose corresponding countermeasures for problems in the process of pre-hospital emergency medical services according to relevant influencing factors．Methods From March 2021 to April 2022,the general data,treatment process and symptom characteristics of patients who were treated in the emergency department of a hospital in North China were collected．According to whether they had received pre-hospital emergency services and whether they were critically ill patients with acute onset of disease,the patients were divided into four groups．Whether there were statistical differences in the general data and disease characteristics of the four groups of patients,and the relevant factors affecting the rational utilization of pre-hospital emergency medical resources were explored．Results This study included 5 800 patients,of which 840 patients receiving pre-hospital emergency medical services,accounted for 14.5% of the total survey,including 530（63.1%）and 310 non-critically ill patients（36.9%）;4 960 patients not receiving pre-hospital emergency medical services accounted for 85.5% of the total survey,including 803（16.2%）of critically ill patients．Analysis by multivariate regression methods on the obtained data showed that acute chest pain and sudden headache in critically ill patients in the emergency department were independent influencing factors in choosing not to use pre-hospital emergency medical measures．Fever,trauma,and abdominal pain in non-critically ill patients were independent factors influencing the reception of pre-hospital emergency medical services．Conclusions The provision and utilization of pre-hospital emergency medical service resources have the problem of idle resources and service vacancies in the process of practical application．A significant proportion of critically ill patients still do not choose to receive pre-hospital emergency medical services before admission．This situation shows that the current residents have insufficient understanding and cognition of critical symptoms and pre-hospital emergency medical services,and it is necessary to strengthen the scientific popularization and education of residents on pre-hospital emergency services,and support the norms and guidelines of pre-hospital emergency medical services with the help of existed medical services,which is of great significance for ensuring the safety of patients' lives,striving for the survival opportunities of critically ill patients,and promoting the rational use of emergency resources．

目的 探究麦默通（Mammotome）微创旋切术加置引流对乳腺良性肿物患者术后疼痛、炎性应激指标及并发症的影响。方法 选取本院2020年1月—2022年1月收治的100例乳腺良性肿物患者,简单随机法进行分组,每位患者赋予1位随机数,1~51号为实验组,采用Mammotome微创旋切术加置引流,52~100号为对照组,实施Mammotome微创旋切术。对比2组治疗效果、围术期指标、术前及术后1 d、3 d疼痛程度（NRS评分）、术前及术后3 d炎性应激指标及并发症情况。结果 2组病灶清除率（100.00%、97.96%）、并发症发生率（3.92%、16.32%）间无差异（P>0.05）;相较于对照组,实验组手术时间较长,残腔积液较少,住院时间较短（P<0.05）;术后1 d、3 d实验组NRS评分低于对照组（P<0.05）;术后3 d 2组C反应蛋白、白介素-6、白介素-1β、降钙素原水平较术前上升,且实验组上升幅度小于对照组（P<0.05）。结论 Mammotome微创旋切术加置引流治疗乳腺良性肿物能减少残腔积液,降低炎症反应程度,有助于术后切口愈合,缓解术后疼痛,且不增加并发症风险。

Objective To investigate the effect of Mammotome minimally invasive excision with drainage on postoperative pain,inflammatory stress indexes and complications in patients with benign breast tumors．Methods A total of 100 patients with benign breast tumors admitted to our hospital from January 2020 to January 2022 were selected and grouped by simple random method,each patient was assigned a random number．Patients No.1 to No.51 were included in the experimental group,treated with Mammotome minimally invasive excision with drainage．Patients No.52 to No.100 were included in the control group,treated with Mammotome minimally invasive excision．The treatment effect,perioperative indicators,pain level（NRS score）and inflammatory stress indexes before and 1st and 3rd days after operation and complications were compared between the two groups．Results There were no significant differences in the lesion clearance rate（100.00% vs 97.96%）and the complication rate（3.92% vs 16.32%）between the two groups（P>0.05）．Compared with the control group,the experimental group had longer operation time,less residual cavity liquid and shorter hospital stay（P<0.05）．The NRS score of the experimental group was lower than that of the control group at 1st and 3rd days after operation（P<0.05）．On the third day after operation,the levels of C-reactive protein,interleukin- 6,interleukin-1β and procalcitonin in the two groups were increased compared with those before operation,and the increase in the experimental group was smaller than that in the observation group（P<0.05）．Conclusions Mammotome minimally invasive excision with drainage in the treatment of benign breast tumors can reduce residual cavity fluid accumulation,reduce the degree of inflammatory response,help postoperative incision healing,relieve postoperative pain,and without increasing the risk of complications．