目的 分析不同年龄、不同季节河源市源城区呼吸道感染的病原学情况,指导临床用药。方法 回顾性研究2020年3月—2022年2月2 468例呼吸道感染的住院患儿,取咽部分泌物送广州达安临床检验中心进行呼吸道核酸六项检测并分析结果。包括：肺炎链球菌（Sp）、呼吸道合胞病毒（RSV）、卡他莫拉菌（MC）、流感嗜血杆菌（Hi）、肺炎支原体（LP）、腺病毒（ADV）。结果 （1）2 468例患儿的标本中阳性率52.8%,其中RSV最高,其他依次为Sp、Hi、MC、MP、ADV。而混合感染仅次于RSV。（2）婴儿组和幼儿组以RSV感染为主,在学龄前组和学龄组儿童中,以Sp感染为主,各病原体的混合感染组合很多,一种细菌合并一种病毒多见。（3）秋冬季是河源市源城区呼吸道感染的高发季节,RSV是秋冬季呼吸道感染最主要的病原体。结论 秋冬季节为河源市源城区呼吸道感染的高发季节,RSV为该季节的主要病原体。RSV也是婴幼儿组感染的主要致病菌,随着年龄增大,细菌感染导致的呼吸道疾病逐渐占优势。混合感染在各年龄组中均占比较高,值得临床诊疗的重视。

Objective To analyze the etiology of respiratory tract infection in Yuancheng District of Heyuan City ,which was in different ages and seasons,and to provide guidance of clinical drug usage．Methods Cases of 2 468 hospitalized children with respiratory tract infection from March 2020 to February 2022 were analyzed．The secretion from pharynx was collected and sent to Guangzhou Da’an Clinical Examination Center for six respiratory nucleic acid tests and then the results were analyzed,including Streptococcus pneumoniae（Sp）,respiratory syncytial virus（RSV）,Moraxella catarrhalis（MC）,Haemophilus influenzae（Hi）,Mycoplasma pneumonia（MP）,adenovirus（ADV）．Results The positive rate of 2 468 hospitalized children with respiratory tract infection was 52.8%,of which the highest was RSV,followed by Sp,Hi,MC,MP,ADV．Meanwhile the mixed infection rate was second to RSV．RSV infection was the main infection in infant group and early-aged children group,while in preschool group and school-aged group,Sp infection was the main infection．There were many mixed infection of pathogen,and one bacteria combined with one virus was more common．Respiratory tract infection had high incidence in autumn and winter in Yuancheng District of Heyuan City,RSV was the major pathogen．Conclusions Autumn and winter were the seasons with high respiratory tract infection incidence in Yuancheng District of Heyuan City,and RSV was the main pathogen in these two seasons．RSV was also the main pathogen of infant group infection．But with the increase of children’s age,bacterial infection became the main reason of respiratory tract diseases．Mixed infection accounts for a high proportion in all age groups,which should be valued in clinical diagnosis and treatment．

融合基因是指两个独立基因的编码区首尾相连所形成的且置于同一套调控序列控制的产物,研究表明许多癌症的发生与融合基因存在密切的联系。融合基因可作为癌症治疗的靶点,在癌症诊断及治疗领域中融合基因的研究具有重要意义。部分融合基因驱动癌症的机制已被初步揭示,但是有些真实存在的在肿瘤发生发展过程中有重要意义的融合基因由于工具和实验技术限制还未被发现。因此,对融合基因的分析预测研究方法逐渐成为关注的热点之一。本文探讨了目前常用的关于融合基因的分析工具及方法,为融合基因在癌症中的研究提供思路。

Fusion genes are the products of two independent genes whose coding regions are linked and controlled by the same set of regulatory sequences．Studies have shown that many cancers are closely linked to gene fusions．Fusion genes can be used as targets for cancer therapy,and the study of fusion genes is of great importance in cancer diagnosis and treatment．Some of the mechanisms of fusion genes driving cancer have been initially revealed,but there are more fusion genes which are important in the process of tumor development have not been discovered due to the limitation of tools and experimental techniques．Therefore,the analysis and prediction methods of fusion genes are becoming a hot topic of interest．In this paper,we discuss the commonly used analytical tools and methods on fusion genes to provide ideas for the study of fusion genes in cancer．

目的 了解门诊老年患者补充与替代医学（CAM）使用现状及影响因素。方法 采用便利抽样法,选取2020年11月—2021年2月广东省某三甲医院老年科门诊就诊的老年患者作为研究对象,调查方法采用一般资料调查表和CAM使用情况调查表进行横断面调查。应用二元Logistics回归分析探讨门诊老年患者使用CAM的影响因素。结果 参与调查的123例老年患者中,有75例（61.0%）老年患者使用CAM,使用CAM的项目主要为中草药、药膳等中国传统医学项目。支付方式是门诊老年患者是否使用CAM的影响因素,使用医保支付的患者较公费、自费患者更愿意使用CAM（OR=5.054,95%CI：1.452~17.590,P<0.05）。结论 CAM在门诊应用广泛,我们应充分发挥我国传统医学优势,为老年人疾病防治提供更多的思路。政府层面也可进一步提高医保覆盖范围,让更多的患者有经济能力可以接受安全、有效的治疗。

Objective To investigate the current status of complementary and alternative medicine（CAM）use and the influencing factors of elderly patients in outpatient clinic．Methods Using the convenience sampling method,the elderly patients treated in the geriatric outpatient department of a Class A tertiary Hospital in Guangdong from November 2020 to February 2021 were selected．General data and the CAM usage questionnaire were collected．Binary logistics regression analysis was used to explore the factors influencing CAM use in elderly patients．Results Seventy-five（61.0%）of 123 elderly patients used CAM．Chinese herbal medicine and medicinal diet were the most common CAM．Payment method was a factor affecting whether elderly outpatient patients use CAM．Insured patients were more willing to use CAM than self-funded patients（OR=5.054,95%CI：1.452-17.590,P<0.05）．Conclusions CAM is widely used in outpatient clinics．We should make full use of our country’s traditional medicine,to provide different thoughts of diseases prevention and treatment in elderly patients．The government can also further enlarge the coverage of health insurance,so that more patients can afford safe and effective treatment．

目的 应用锥形束CT比较改良颈肩体热塑膜和传统颈肩体热塑膜体位固定装置在颈胸段食管癌患者放射治疗中的摆位差异,分析两种固定方式对锁骨上下区摆位误差的影响。方法 分析2021年6月—2022年10月在南京医科大学第一附属医院行放射治疗的29例食管癌患者的临床资料。将患者分为改良颈肩体热塑膜组（改良组）和光板颈肩体热塑膜组（对照组）,对比分析2组病例不同配准区域的摆位误差。结果 改良组在X（左右）方向的平移误差及Rz（冠状面）方向的旋转误差小于对照组,差异有统计学意义（P<0.05）。改良组锁骨上下区在X（左右）方向的平移误差以及Rx（矢状面）方向的旋转误差小于对照组,差异有统计学意义（P<0.05）。改良组的整体靶区外放范围在X、Y方向上均小于颈肩体组,改良组在锁骨上下区的X方向靶区外放范围也更小。结论 对于颈胸段食管癌需行锁骨上下区放疗的患者,应用改良颈肩体热塑膜可减少平移误差,控制旋转角度,减少靶区外放范围。

Objective To compare the set-up errors between the modified neck-shoulder body thermoplastic film and the traditional neck-shoulder body thermoplastic film fixation device in the radiotherapy of patients with cervical and thoracic esophageal cancer by cone beam CT,and to analyze the influence of the two fixation methods on the positioning error of the upper and lower clavicular region．Methods The clinical data of 29 patients with esophageal cancer who underwent radiotherapy in the First Affiliated Hospital of Nanjing Medical University from June 2021 to October 2022 were analyzed．The patients were divided into two groups：the modified neck-shoulder body thermoplastic film group（the modified group）and the smooth neck-shoulder body thermoplastic film group（the control group）,the positioning errors in different regions of the two groups were compared and analyzed．Results The translation error in the X（left and right）direction and the rotation error in the Rz（coronal plane）direction of the modified group were smaller than those of the control group,and the differences were statistically significant（P<0.05）．The translation error in the X（left and right）direction and the rotation error in the Rx（sagittal plane）direction of the superior and inferior clavicular region in the modified group were smaller than those in the control group,and the differencs were statistically significant（P<0.05）．The overall target area of the modified group was smaller in X and Y directions than that of the neck-shoulder body group,and the target area of the improved group in X direction was also smaller in the upper and lower clavicle area．Conclusions For patients with cervical and thoracic esophageal cancer who need radiotherapy in the upper and lower clavicular region,the application of modified neck shoulder body thermoplastic film can reduce the translation error,control the rotation angle and reduce the external radiation range of the target region．

目的 探讨小于4 cm的胃神经鞘瘤（GS）的CT误诊与漏诊原因,从而加深影像科医师对GS的认识,提高其CT检出率及诊断准确率。方法 回顾性分析2019年3月—2022年10月经手术切除及病理证实的10例小于4 cm的GS患者的临床、CT及病理资料。在CT图像上评估肿瘤的位置、大小、形态、密度、强化特点及周围淋巴结等情况。结果 术前CT误诊7例,漏诊2例,仅1例正确诊断;10例病灶均起源于胃黏膜下;9例为圆形或类圆形;7例发生于胃体;平扫密度均低于肌肉组织,均呈渐进性强化。结论 小于4 cm的GS术前误诊率很高,且可发生漏诊。当CT检查提示胃体部黏膜下圆形或类圆形占位病变,平扫呈均匀稍低密度,增强呈渐进性强化时应考虑GS的可能,最终确诊需病理及免疫组化检查。

Objective To investigate the causes of CT misdiagnosis and missed diagnosis of gastric schwannomas（GS）smaller than 4 cm in size,and to improve radiologists’ awareness of GS and increase the detection rate and diagnostic accuracy．Methods Clinical,pathological and CT data of ten surgically and pathologically confirmed GS patients were retrospectively reviewed between March 2019 and October 2022．The location,size,shape,attenuation,enhancement features and surrounding lymph nodes of each tumor on CT were analyzed．Results Of the 10 patients,7 cases were misdiagnosed in preoperative CT examination,two cases were missed diagnosed and only one case was correctly diagnosed．All tumors originated from the submucosa in ten cases,and nine cases showed a round or oval shape．Seven lesions were located in the gastric body,and all tumors had homogeneous low attenuation compared to muscle on plain CT images．All cases displayed mild-moderate to obvious enhancement．Conclusions GS smaller than 4 cm have a high rate of misdiagnosis and missed diagnosis preoperatively．When CT examination indicates a submucosa tumor with a round-like shape in the gastric body and homogeneous mild hypoattenuation on plain CT,the possibility of GS should be raised．Pathological and immunohistochemical examinations are necessary to confirm the final diagnosis．

目的 探讨子宫瘢痕的超声弹性成像结合厚度分析对剖宫产后再妊娠产妇子宫破裂的预测应用。方法 选择2020年1月—2021年12月在中山市中医院分娩的剖宫产术后再次妊娠经阴道分娩（VBAC）产妇作为研究对象。根据纳入和排除标准,共纳入子宫破裂的VBAC产妇32例、非子宫破裂的VBAC产妇90例。通过住院病历信息系统查询研究对象的基本信息及其在妊娠晚期（≥37周）用B超对研究对象行子宫瘢痕厚度和弹性的测量结果,采用受试者工作特征曲线（ROC）曲线分析子宫瘢痕厚度和弹性SI值对子宫破裂的预测作用。结果 子宫破裂组中年龄>35岁、妊娠>2次、与上次剖宫产间隔<2年、新生儿体质量≥3 kg、单层缝合者的比例高于非子宫破裂组（P<0.05）。122例产妇子宫瘢痕厚度的均值为（3.42±0.49）mm,SI的均值为（2.57±0.45）。ROC曲线分析结果显示：子宫瘢痕厚度单独预测子宫破裂的曲线下面积（AUC）为0.805（95%CI：0.730~0.880,P<0.05）,cut off值为3.05 mm,灵敏度为0.726,特异度为0.910,约登指数为0.636;子宫瘢痕SI单独预测子宫破裂的AUC为0.730（95%CI：0.635~0.824,P<0.05）,cut off值为2.11,灵敏度为0.767,特异度为0.781,约登指数为0.548;子宫瘢痕厚度联合预测子宫破裂的AUC为0.874（95%CI：0.812~0.937,P<0.01）,灵敏度为0.875,特异度为0.811,约登指数为0.686。子宫瘢痕厚度结合子宫瘢痕SI值预测子宫破裂的AUC高于单独使用子宫瘢痕厚度（Z=7.611,P=0.041）和子宫瘢痕SI值（Z=25.864,P=0.025）。结论 子宫瘢痕的超声弹性成像SI值联合子宫厚度可有效提高超声对于VBAC产妇子宫破裂的预测效能,具有一定的应用意义。

Objective To study the application of ultrasound elasticity imaging combined thickness analysis of uterine scar in predicting uterine rupture in women pregnant after cesarean section．Methods Pregnant women with vaginal birth after cesarean（VBAC）from January 2020 to December 2021 in Zhongshan Hospital of Traditional Chinese Medicine were selected as the research subjects．A total of 32 VBAC parturients with uterine rupture and 90 VBAC parturients without uterine rupture were included according to the inclusion and exclusion criteria．The basic information of the subjects was queried through the medical record information system of the hospital．In the third trimester（≥37 weeks）,the thickness and elasticity of uterine scar were measured by ultrasound,and the predictive effect of uterine scar thickness and elastic SI value on uterine rupture was analyzed by ROC curve．Results Chi-square test showed that the incidence of uterine rupture was higher in patients with age>35 years,pregnancy>2 times,interval from last cesarean section<2 years,newborn weight≥3kg,and the proportion of uterine rupture in single suture was higher than that in double suture（P<0.05）．The mean uterine scar thickness of 122 subjects was（3.42±0.49）mm,and the mean SI was（2.57±0.45）．The area under curve（AUC）of uterine scar thickness alone for predicting uterine rupture was 0.805（95%CI：0.730-0.880,P<0.05）,the cut off value was 3.05 mm,the sensitivity was 0.726,the specificity was 0.910,and the Youden coefficient was 0.636 by ROC curve analysis．The AUC of uterine scar SI alone for predicting uterine rupture was 0.730（95%CI：0.635-0.824,P<0.05）,the cut off value was 2.11,the sensitivity was 0.767,the specificity was 0.781,and the Youden coefficient was 0.548 by ROC curve analysis．The AUC of uterine scar thickness combination for predicting uterine rupture was 0.874（95%CI：0.812-0.937,P<0.01）,the sensitivity was 0.875,the specificity was 0.811,and the Youden coefficient was 0.686 by ROC curve analysis．The AUC predicted by uterine scar thickness combined with uterine scar SI value was higher than that predicted by uterine scar thickness alone（Z=7.611,P=0.041）and uterine scar SI value（Z=25.864,P=0.025）．Conclusions Elastic SI value of ultrasound imaging of uterine scar combined with uterine thickness can effectively improve the prediction efficiency of ultrasound for VBAC maternal uterine rupture,which has certain application significance,but further demonstration is still needed．

目的 探讨慢性乙型肝炎病毒（HBV）感染对妊娠期糖尿病（GDM）孕妇的妊娠并发症、孕晚期生殖道B族链球菌（GBS）感染情况以及妊娠结局的影响。方法 选取2020年1月1日—12月31日在广州市妇女儿童医疗中心定期产检、足月、单胎妊娠的GDM孕妇共583例,其中合并HBV感染者（GDM+HBV组）48例,无合并者（GDM组）535例。比较2组的妊娠期并发症、妊娠晚期（妊娠35~37周）生殖道GBS感染情况、妊娠结局以及阴道分娩者的母儿结局。结果 与GDM组患者相比,GDM+HBV组患者出现妊娠期肝内胆汁淤积症、孕晚期生殖道GBS感染者比例较高,孕期出现胎盘早剥者比例较高,阴道分娩过程中出现产时发热、羊水粪染和新生儿入住NICU者比例均较高（均P<0.05）。结论 与无合并慢性HBV感染的GDM患者相比,合并慢性HBV感染的GDM患者在围产期的母儿风险升高。

Objective To investigate the effects of chronic hepatitis B virus（HBV）infection on pregnancy complications,group B streptococcus（GBS）infection in third trimester and pregnancy outcome in pregnant women with gestational diabetes mellitus（GDM）．Methods A retrospective study of 583 pregnant women with GDM,singleton gestation and cephalic presentation delivered at term in Guangzhou Women and Children’s Medical Center was carried out．Including 48 GDM women complicated with chronic HBV infection（GDM+HBV group）and 535 GDM women without HBV infection（GDM group）．Pregnancy complications,GBS infection in third trimester（gestation 35-37 weeks）,pregnancy outcomes,maternal and neonatal outcomes of vaginal delivery were compared between the two groups．Results GDM+HBV group had a higher proportion of intrahepatic cholestasis of pregnancy（ICP）and GBS infection in third trimester than GDM group,and a higher proportion of placental abruption during pregnancy．GDM+HBV group showed a significantly increased proportion in intrapartum fever,meconium-stained amniotic fluid and neonatal intensive care unit admission during vaginal delivery than GDM group（all P<0.05）．Conclusions GDM women with chronic HBV infection are associated with increased maternal and fetal risk during pregnancy and delivery．

目的 探讨老年髋部骨折（GHF）患者围术期隐性失血的影响因素及护理措施。方法 回顾性分析2020年3月—2023年3月我院收治的86例老年GHF患者,所有患者均采取手术治疗,计算所有患者围术期失血量,并收集所有患者的一般资料及围术期相关治疗情况,分析不同一般资料患者围术期隐性失血情况,不同手术方式及麻醉方式围术期隐性失血情况,不同术后处理方式围术期隐性失血情况,随后采取Logistic回归分析老年GHF患者围术期隐性失血的影响因素,最后针对结果制定老年GHF隐性失血的护理措施。结果 不同性别和是否合并冠状动脉粥样硬化、高血压患者围术期隐性失血量比较差异无统计学意义（P>0.05）,不同年龄、合并糖尿病、骨折类型患者围术期隐性失血量比较差异有统计学意义（P<0.05）;不同手术方式、麻醉方式患者围术期隐性失血量比较差异有统计学意义（P<0.05）;不同术后引流、使用肝素情况患者围术期隐性失血量比较差异有统计学意义（P<0.05）;Logistic回归分析结果表明：年龄、合并糖尿病、手术方式、麻醉方式、术后引流、使用肝素都是造成GHF老年患者围术期隐性失血的影响因素（P<0.05）。患者经相关护理后,恢复较佳。结论 老年GHF患者围术期会存在大量隐性失血情况,同时年龄、合并糖尿病、手术方式、麻醉方式、术后引流、使用肝素与围术期隐性失血量密切相关,临床上可采取针对性措施减少GHF患者隐性失血。

Objective To explore the influencing factors and nursing measures of perioperative hidden blood loss in elderly patients with geriatric hip fractures（GHF）．Methods From March 2020 to March 2023,86 elderly patients with GHF admitted to our hospital were selected as the study objects for retrospective analysis．All patients were treated with surgery．The perioperative blood loss of all patients was calculated,general information and perioperative treatment status of all patients were collected,the hidden blood loss of patients with different general information,different surgical and anesthesia methods and different postoperative treatment methods were analyzed．Logistic regression analysis was used to analyze the influencing factors of hidden blood loss of elderly GHF patients during the perioperative period．Nursing measures for hidden blood loss in elderly hip fractures were developed based on the results．Results There was no statistical difference in the amount of perioperative hidden blood loss among patients with different gender,complicated with coronary heart disease and hypertension or not（P>0.05）,but there was statistical difference in the amount of perioperative hidden blood loss among patients with different ages,complicated with diabetes and fracture types（P<0.05）．There was statistically significant difference in the amount of hidden blood loss during the perioperative period among patients with different surgical and anesthesia methods（P<0.05）．There was statistically significant difference in the amount of hidden blood loss during the perioperative period among patients with different postoperative drainage and use of heparin（P<0.05）．The results of Logistic regression analysis showed that age,complicated with diabetes,operation methods,anesthesia methods,postoperative drainage and heparin use were independent risk factors for perioperative hidden blood loss in elderly patients with GHF（P<0.05）．Conclusions There will be a lot of hidden blood loss in the perioperative period of elderly patients with GHF．At the same time,age,complicated with diabetes,operation methods,anesthesia methods,postoperative drainage and heparin use are closely related to the amount of hidden blood loss in the perioperative period．Targeted measures can be taken clinically to reduce the hidden blood loss in patients with GHF．

目的 了解广州市社区居民对中医“治未病”的认知现状,分析其影响因素,并为中医“治未病”的进一步发展提出可行建议。方法 采用多阶段整群抽样法,对广州市不同区域的652名居民进行问卷调查,通过描述性分析和χ²检验分别对基本认知情况与影响因素进行阐述。结果 广州市居民对“治未病”服务了解情况不太理想（67.80%）,接受“治未病”服务的意愿情况较好（77.91%）,对于中医“治未病”服务的认知还比较片面,主要通过手机、网络、社区等方式了解相关内容。影响居民接受意愿的因素主要是年龄、学历、户口、职业类型等。结论 目前广州市社区中医“治未病”服务具有一定群众基础和发展潜力,但是还存在居民认知不足、宣传力度不够、服务能力不足等问题,应当着重从这些方面进行改进。

Objective To understand the current cognitive status of community residents in Guangzhou regarding traditional Chinese medicine（TCM）pre-treatment,analyze its influencing factors,and provide feasible suggestions for the further development of TCM pre-treatment．Methods By multi-stage cluster sampling method,a questionnaire survey was conducted on 652 residents in different regions of Guangzhou．Descriptive analysis and chi-square test were used to elucidate the basic cognitive situation and influencing factors．Results The understanding of TCM pre-treatment services among residents in Guangzhou was not ideal（67.8%）,and their willingness to receive TCM pre-treatment services was good（77.91%）．Their understanding of TCM pre-treatment services was quite one-sided,mainly through mobile phones,internet,communities and other means．The main factors affecting residents' willingness to accept this service were age,education level,household registration and occupation．Conclusions At present,the TCM pre-treatment service in the community of Guangzhou has a certain mass basis and development potential．However,there are still problems such as insufficient residents' awareness,insufficient publicity,and insufficient service capabilities,which should be improved in the future．

目的 探究精神分裂症患者应用帕利哌酮后剂量校正浓度（C/D）的影响因素,旨在为精神分裂症患者的临床用药提供参考。方法 选择2021年9月–2022年5月在我院择期接受帕利哌酮治疗的122例精神分裂症患者作为研究对象,收集患者的年龄、性别、给药剂量、给药频次以及合并用药等状况。结果 不同性别间帕利哌酮C/D存在差异,其中女性的C/D明显比男性的C/D更高。在关于年龄、性别、给药剂量、给药频次以及合并用药对帕利哌酮C/D的影响分析中,合并用药阿立哌唑、性别对帕利哌酮C/D有影响。结论 帕利哌酮应用在精神分裂症患者治疗中,性别、合并应用阿立哌唑会对帕利哌酮C/D产生显著影响。

Objective To explore the influencing factors of dose-corrected through concentration（C / D）of paliperidone in patients with schizophrenia,in order to provide reference for clinical medication of patients with schizophrenia．Methods A total of 122 patients with schizophrenia treated with paliperidone in our hospital from September 2021 to May 2022 were selected as the research objects．The patient's age,gender,dosage,frequency of administration and combined medication were collected．Results There were differences in the C / D of paliperidone between different genders,and the C / D of women was significantly higher than that of men．In the analysis of the effects of age,gender,dosage,frequency of administration and combined medication on the C / D of paliperidone,the combined medication of aripiprazole and gender had effect on the C / D．Conclusions The application of paliperidone in the treatment of patients with schizophrenia,gender and combined application of aripiprazole can have significant impact on C / D．