目的 探讨广东汉族儿童ACE2基因A9570G多态性与儿童激素敏感型肾病综合征(SSNS)复发的关系。方法 选取广东汉族SSNS患儿92例,按发病后1年复发情况分为频复发组31例、非频复发组61例,健康体检者60例为对照组,采用聚合酶链反应-DNA直接测序技术观察患儿与对照组ACE2基因A9570G基因型分布和等位基因频率。结果 在女性,SSNS组G等位基因频率及GG基因型分布均低于对照组(39％ vs 65％,P<0.05;27％ vs 50％,P<0.05);在男性,SSNS组G等位基因/GG基因型分布亦低于对照组(35％ vs 60％,P<0.05 )。亚组分析发现,在女性,频复发组G 等位基因频率及GG 基因型分布均高于非频复发组(58％ vs 29％,P<0.05;42％ vs 19％,P<0.05);在男性,频复发G基因型/G等位基因频率高于非频复发(58％ vs 24％,P<0.05)。结论 ACE2基因A9570G多态性与儿童SSNS复发相关,携带G等位基因的患儿容易表现为频复发。

Objective To investigate the association between the A9570G polymorphism of ACE2 gene and the relapse of steroid-sensitive nephrotic syndrome (SSNS) in Han childhood of Guangdong.Methods Ninety-two children with SSNS were selected from Guangdong Han nationality. According to the relapse frequency during the first year of the disease, 31 cases with more than 3 relapses were as frequency relapse group, 61 cases with less than 3 relapses were as non-frequent relapse group, and 60 healthy children were as control group. The gene distribution and allele frequency of ACE2 gene A9570G were observed by polymerase chain reaction-DNA direct sequencing technology.Results In female,the distribution of G allele frequency and GG genotype in SSNS group were significantly lower than that in the control group(39％ vs 65％, P<0.05; 27％ vs 50％, P<0.05). In male, the distribution of G allele/GG genotype in SSNS group was also significantly lower than that in the control group(35% vs 60%, P<0.05). Subgroup analysis found that the distribution of G allele frequency and GG genotype in female of the frequency relapse group were significantly higher than that of the non-frequency relapse group(58% vs 29%, P<0.05; 42% vs 19%, P<0.05), and the distribution of G allele/GG genotype in male of the frequency relapse group was significantly higher than that of the non-frequency relapse group (58% vs 24%, P<0.05).Conclusion The A9570G polymorphism of ACE2 gene was associated with the recurrence of children's SSNS, and the children with G allele were susceptible to recurrence.

目的 探讨幽门螺杆菌(Helicobacter pylori,Hp)感染与儿童过敏性紫癜(Henoch-Schnlein purpura,HSP)的相关性及预后关系,为临床疾病诊治提供一定依据。方法 随机选取2016年12月—2018年2月于我院就诊并经确诊的HSP儿童患者90例为观察组,另选取同期于我院就诊行体检的健康儿童90例为对照组,比较两组患者Hp感染情况。根据Hp感染情况及治疗方式将观察组分为A、B、C三组,其中A组(29例)为Hp(-)组,行常规治疗;B组(31例)为Hp(+)组,行常规治疗;C组(30例)为Hp(+)组,行常规治疗联合抗Hp治疗,比较三组患者治疗疗效。结果 观察组患者Hp感染阳性率高于对照组,差异有统计学意义(P<0.05);合并腹部症状的HSP患者Hp感染阳性率高于不合并腹部症状的HSP患者,差异有统计学意义(P<0.05);B组患者治疗有效率低于A组,C组患者治疗有效率高于B组,差异有统计学意义(P<0.05)。结论 Hp感染可能是HSP发病的原因之一,其腹部症状与Hp密切相关,根除Hp治疗可改善HSP患者预后。

Objective To explore the correlation between helicobacter pylori infection and children allergic purpura disease and its prognosis, and provide some basis for clinical diagnosis and treatment. Methods A total of 90 children with allergic purpura who were treated in our hospital from December 2016 to Feb 2018 were randomly selected as observation group. 90 healthy children who were admitted to our hospital for physical examination during the same period were selected as the control group, and the Hp infection in the two groups was compared. According to Hp infection and treatment, the observation group was divided into three groups: A, B and C, among which group A (29 cases) was Hp (-) group, and routine treatment was performed.Group B (31 cases) were Hp (+) group, and routine treatment was performed. group C (30 cases) were Hp (+) group, and conventional treatment combined with anti-hp treatment were performed. We compared three groups of .curative effects. Results The positive rate of Hp infection in the observation group was higher than that in the control group, and the difference was statistically significant (P<0.05).The positive rate of Hp infection in HSP patients with abdominal symptoms was higher than that in HSP patients without abdominal symptoms, and the difference was statistically significant (P<0.05). The effective rate of treatment in group B was significantly lower than that in group A, and the effective rate of treatment in group C was higher than that in group B, and the difference was statistically significant (P<0.05). Conclusion Hp infection may be one of the causes of HSP, and its abdominal symptoms are closely related to Hp, and the eradication of Hp treatment would improve the prognosis of HSP patients.

目的 探讨儿童不明原因肝功能异常的临床特点、病因及预后,为临床及时对因治疗提供帮助。方法 回顾性分析本院2016年1月—2017年12月期间205例以不明原因肝功能异常住院患者的临床资料,并对其临床特点、病因及预后进行分析。结果 在205例不明原因肝功能异常患者中,其中166例(80.97%)得到明确诊断,涉及多种疾病。其中分别为非嗜肝病毒所致感染性肝损104例(50.73%),遗传代谢疾病38例(18.54%),药物性肝损11例(5.37%),全身性疾病如川崎病6例(2.93%)、血液肿瘤疾病4例(1.95%)、营养不良3例(1.46%)等,原因未明 39例(19.02%)。结论 引起肝功能异常病因多且复杂。婴幼儿肝功能异常以非嗜肝病毒所致感染性肝损为主,感染主要为巨细胞病毒及EB病毒;遗传代谢性疾病、药物性肝损、全身性疾病也是造成肝功能异常的重要原因。

Objective To investigate the clinical features, etiology and prognosis of children patients with unexplained liver dysfunction. Methods The clinical data of 205 inpatients with unexplained liver dysfunction from January 2016 to December 2017 were analyzed retrospectively. The clinical characteristics, etiology and prognosis were analyzed. Results Of 205 patients with unexplained abnormal liver function, 166 patients with liver dysfunction (80.97%) were clearly diagnosed and involved in a variety of diseases. Among them, 104 cases were infected liver damage caused by non-hepatophilic virus, 38 cases were related to genetic metabolic diseases, 11 cases were drug-induced liver damage, 6 cases were Kawasaki disease, 4 cases were hematologic tumor diseases, 3 cases were malnutrition. The cause of abnormal liver function was not clear in 39 cases. Conclusion There are many and complicated causes of abnormal liver function, and part of the causes are unknown. Infantile liver dysfunction was mainly caused by non-hepatophilic virus, the first was cytomegalovirus, the second was Epstein-Barr virus; genetic metabolic disease, drug-induced liver damage, systemic disease are also an important cause of liver dysfunction.

目的 观察家庭式康复教育结合模式对脑瘫儿童发育情况的影响。方法 采用随机数字表法将38例脑瘫患儿分为实验组及对照组。2组患儿均给予常规日常康复,康复治疗师、引导式教师、特殊教育教师组成的团队共同对实验组内儿童功能情况进行评估,设计引导式教育课程,对无康复教育知识背景的专职护理人员进行课程培训,完成培训的护理员具体执行引导式教育课程,每天2次,每次60min,每周介入6日,持续半年。于治疗前、治疗后采用Gesell发展量表进行评测。结果 治疗前,两组患儿适应性行为、大运动、精细动作、语言、个人-社会行为5个领域指标组间差异无统计学意义（P>0.05）;经介入半年后,两组患儿的适应性行为、大运动、精细动作、语言、个人-社会行为5个领域评分均优于组内治疗前水平（P <0.05）,且实验组优于对照组（P <0.05）。结论 家庭式康复教育结合模式,对改善脑瘫患儿的多方面功能发展有重要意义,值得在专业人才资源缺乏的机构和社会中推广、应用。

Objective To observe the effect of the model of family rehabilitation education on the development of children with cerebral palsy. Methods 38 children with cerebral palsy were divided into experimental group and control group by random digital table method. Two groups of children were given routine daily rehabilitation. A team of rehabilitation therapists,guided teachers and special education teachers assessed the children's function in the experimental group,and designed guiding education course. The team offered curriculum training for full-time nurses without background knowledge of rehabilitation education,and the trained nurses implemented the guiding education course twice each day,60 minutes each time,6 days per week. The training lasted for six months. The Gesell development scale was used for evaluation before and after treatment. Results Before treatment,there was no statistically difference between 2 groups of children in 5 areas of adaptive behavior,exercise,fine motor,language and personal social behavior （P >0.05）. After six months' intervention,2 groups of children were better than the pre-treatment level （P <0.05）. The experimental group was superior to the control group （P <0.05）. Conclusion The model of family rehabilitation education is of great significance to the improvement of the multifaceted function of children with cerebral palsy. It is worthy of popularization and application in institutions and societies which are lack of professional talent resources.

目的 分析不同性别学龄儿童行为问题影响因素,为促进儿童行为健康发展提供指导依据。方法 以儿童保健门诊就诊的学龄儿童200名,男童110例,女童90例,平均年龄为(7±15)a 为调查对象,采用儿童行为量表(CBCL)检测所有调查对象的行为问题。由男/女童父母在专业人员指导下进行问卷调查,对收集的数据使用SPSS 11.0统计软件进行资料分析。结果 本次调查中男、女童年龄差异无统计学意义,男、女童在检出儿童行为问题方面有明显的差异性(P<0.05,P<0.01)具有统计学意义。男童在强迫性、违纪方面明显高于女童,女童在抑郁、社交退缩、体诉方面高于男童。结论 儿童行为问题的发生,受多方面因素影响包括社会环境、家庭环境以及父母的教养方式,应根据男童和女童的不同行为特点,给予有效的干预让孩子的身心发展更趋稳定和健康,从而降低儿童行为问题的发生。

Objective To explore the influence factors of children's behavior problem in school-age children, and to provide the evidence for promoting healthier children's behavior. Methods The objects of our study included 200 school-aged children in health care clinic (110 boys and 90 girls ), the average age is 7(7±15)years, and we used the CBCL questionnaire to assess all the children's behavior problems. The CBCL questionnaire was finished by the parents of the children guided by the specialized investigator. The data was analyzed by the SPSS 11.0 software. Results The score of boys in compulsivity and disobey is significant higher than girls(P<0.05), and the girls have higher score in depression, social flinch and physical demands than boys(P<0.01). There is no significant difference between different genders in the age of the children. Conclusion Behavior problems of children were affected by many kinds of factors including social environment, family environment and parenting styles. We need to conduct appropriate behavior intervention according to the different behavior characteristics between boys and girls, to promote healthier children's behavior and to reduce the behavior problems of children.

目的 了解中山市儿童社区获得性肺炎病原学特点及其与年龄、抗生素使用的相关性,为疾病诊断和抗生素合理使用提供参考依据。方法 对中山市妇幼保健院儿科住院部2016年1月—2016年4月收治的小儿社区获得性肺炎临床资料、入院前使用抗生素和病原学检测结果进行回顾性分析。结果 共有155例研究对象纳入研究,细菌检出95株,其中革兰氏阴性菌61株,革兰氏阳性菌34株。流感嗜血杆菌,金黄色葡萄球菌,肺炎链球菌,大肠埃希氏菌,副流感嗜血杆菌的占构成比前五位。支原体和衣原体现症感染率约7.7%～8.4%。RSV检出率达25.8%。年龄在3 a以上、入院前使用过抗生素者,革兰阳性菌检出率较低(P<0.05)。入院前使用过抗生素者,革兰阴性菌检出率较高,且使用4 d及以上者高于使用3 d及以下者(P<0.05)。结论 住院儿童CAP的治疗,应综合考虑病人的年龄、入院前的抗生素使用情况,结合当地CAP 的可能优势病原选择合适的治疗方案。

Objective To explore the etiological characteristics and factors of community-acquired pneumonia(CAP) in children in Zhongshan for providing reference for the diagnosis and rational use of antibiotics for CAP. Methods Retrospective analysis were applied on clinical data and etiology results of CAP in children admitted to the pediatric inpatient department of Maternal and Child Health Hospital in Zhongshan from January to April, 2016. Results 155 children were enrolled. The number of bacteria detected was 95, including 61 Gram-negative bacteria, 34 Gram-positive bacteria. Haemophilus influenzae, Staphylococcus aureus, Streptococcus pneumoniae, Escherichia coli, Haemophilus parainfluenzae accounted the top five. The recent infection rate of Mycoplasma and Chlamydia were from 7.7% to 8.4%. RSV detection rate was 25.8%.The Children who were over 3 years old, pre-use of antibiotics, associated with lower detection rate of Gram-positive bacteria (P<0.05). The Children who were the pre-use of antibiotics, associated with higher detection rate of Gram-negative bacteria, and the use of four days and more higher than three days or less(P<0.05). Conclusion For the treatment of CAP in children, the patient's age and pre-use history of antibiotics should be considered, combined with local common type of disease pathogens, to select the appropriate treatment.

目的 回顾性分析常规放射检查中儿童胸部复合型骨折漏诊的原因,并且探讨多层螺旋CT后处理技术在儿童胸部复合型骨折中的诊断价值。方法 搜集本院2012年1月—2015年8月间因外伤行胸部照片和CT扫描的外伤患儿共123例,男81例,女42例,年龄9个月～15岁,平均年龄4.3岁。所有病例在完成胸部照片后1~3 d,进行胸部容积CT扫描,并对数据进行三维重建后处理,其结果与常规DR检查结果相比较。结果 在123例患儿中,常规胸部DR片显示明确胸部骨折39例61处,其中胸部单纯性骨折24例,胸部复合型骨折15例。可疑骨折48例;36例未见明确骨折但存在胸部合并症。CT检查显示明确的胸部骨折76例,142处,其中胸部单纯性骨折42例,胸部复合型骨折34例。与胸部DR平片相比,CT显示胸部新增骨折有18处在单纯性骨折病例中,63处在复合型骨折病例中。CT重建技术对复合型骨折的检出率高于DR平片,差异有统计学意义(P＜0.05)。结论 胸部CT容积扫描并综合运用三维重建技术处理,可以提高胸部复合型骨折的检出率,相对于常规放射照片更能提供详细和直观的信息,包括骨折部位、类型、程度以及邻近结构的损伤,并对治疗方案的选择及预后的评估有重要指导价值。

Objective To investigate the reasons for missed diagnoses of children's chest complex fractures in chest radiographs and to discuss the value of multi-slice spiral CT (MSCT) reconstruction in the diagnosis of children's chest complex fractures. Methods 123 children underwent chest digital radiography(DR) and MSCT scans after traumas were collected in our hospital between January 2012 and August 2015. This population consisted of 81 male and 42 female patients, with a mean age of 4.3 years(range from 9 months to 15 years). All participants underwent chest MSCT scans in 1-3 days after completing chest DR, and then we used 3D reconstruction to process the data and compared the results with those processed by DR. Results By chest DR tests we identified 39 cases (61 places) out of 123 participants with 24 simple fractures, 15 complex fractures. And 48 chest fractures were suspected. We also identified 36 cases had chest complications without fracture. By MSCT scans 76 cases (142 places) were identified, among which 42 were simple and 34 were complex. Compared with chest DR, MSCT scans can identified 18 more places of simple fractures and 63 more places of complex fractures. It was statistically significant higher detection rate of MSCT scan than DR. Conclusion Chest MSCT scan combined 3D reconstruction technology can increase the detection rate of chest complex fracture. Compared with DR, it provides more detailed and visualized information, including fracture position, type, severity and adjacent structure damage. It has important guiding value on the selection of therapy and prognosis evaluation.

目的 探究儿童抗NMDA受体脑炎临床特点、诊治及预后。方法 回顾性分析16例儿童抗NMDA受体脑炎的临床表现、辅助检查、治疗与预后。结果 16例患儿中,意识障碍16例, 语言障碍15例,运动障碍13例,11例惊厥发作。9例脑脊液NMDA受体抗体阳性,14例血清NMDA受体抗体阳性。16例患儿脑电图均出现背景中高波幅慢活动,头颅磁共振检查未见异常。所有患儿均接受丙种球蛋白联合激素冲击治疗,14例症状缓解,2例需加用利妥昔单抗治疗,症状缓解。结论 识别儿童抗NMDA受体脑炎多样临床表现,筛查NMDA受体抗体有助于早期诊断及治疗儿童抗NMDA受体脑炎。

Objective To investigate clinical features, diagnosis, treatment and prognosis of the patient with anti-NMDA receptor encephalitis in children. Methods The data of clinical feature,auxiliary examination of 16 cases with anti-NMDA receptor encephalitis in children were reviewed and analyzed. Results Of all 16 cases, there were 16 cases with decreased consciousness, 15 cases developed speech alteration, 13 cases developed movements disorder and 11 cases with seizure. Cerebrospinal fluid NMDA antibody were positive in 9 cases and serum NMDA antibody were positive in 14 cases. The EEG of 16 patients showed high-amplitude slow activity in the background. There were no significant abnormalities in head magnetic resonance imaging (MRI) of all children. After all children received gamma globulin combined hormone therapy, 14 cases had boen improved and another 2 cases need to be further treated combined with Rituximab. Conclusion Pediatric patients had diverse clinical manifestations. Screening of NMDA receptor antibody may help early diagnosis of anti-NMDA receptor encephalitis. And timely treatment may yield a favorable prognosis.

目的 对儿童化学发光免疫检验中标本量过少时的稀释方法分析。方法 选取我院2013年5月—2015年5月儿童常规筛查项目50例血清三碘甲状腺原氨酸(TT3)检测为例,其稀释介质分别采用TT3定制液S0、医用蒸馏水以及0.9%氯化钠,对其实施手工2倍(1∶1)和4倍(1∶3)稀释后,对比分析稀释后结合和原始数据差异。结果 结果和原始数据对比,2倍、4倍稀释S0组以及2倍医用蒸馏水稀释结果差异不大,对比没有统计学意义(P＞0.05),其与各组均差异显著(P＜0.05)。结论 在儿童血清三碘甲状腺原氨酸检测中对其实施2倍、4倍稀释S0以及2倍医用蒸馏水稀释能够满足医学检验需求,值得推广应用。

目的 了解2014年广州地区儿童专科医院的病原菌分布及耐药情况与全国细菌耐药监测网(CARSS)公布数据的异同点,并提出相关用药建议,为儿童临床合理应用抗生素提供科学依据。方法 将2014年本中心儿童院区检测的儿童细菌耐药数据与同期国家卫生计生委合理用药专家委员颁布的CARSS数据进行比较。结果 儿童医院与CARSS数据比较,革兰阳性菌比例较高(49.8% vs 28.5%),革兰阴性菌比例较低(50.2% vs 71.5%);肺炎链球菌、化脓性链球菌及流感嗜血杆菌检出率较高;耐药率明显升高的是肺炎链球菌对青霉素耐药率(33.2% vs 4.3％),耐药率明显降低的是鲍曼不动杆菌对碳青霉烯类耐药率(10.3% vs 57.0％),大肠埃希菌对喹诺酮类耐药率(27.6% vs 54.3％)。结论 广州地区儿童病原菌分布及耐药情况与CARSS数据比较有一定差异,特别是儿童主要致病菌肺炎链球菌对青霉素耐药的形势严峻,经验性抗感染治疗时需考虑本地及儿童的病原菌特殊性。