目的 剖析中医药治疗儿童哮喘的随机对照试验（RCT）结局指标，为中医药治疗该病临床试验的核心指标集构建提供初步依据。方法 检索中国知网（CNKI）、万方（WanFang）、维普网（VIP）、中国生物医学文献数据库（SinoMed）、PubMed、Cochrane Library、EmBase、Web of Science。时间跨度为建库至2024年7月1日。此次检索全面覆盖了中医药疗法治疗儿童哮喘的临床随机对照研究，由两名研究者根据纳排标准独立完成文献筛选和资料提取，提取文献基本特征和结局指标。结果 初步检索出2 449篇文献，最终纳入165个RCT，包括205个结局指标，分为症状/体征、中医症状/证候、理化检查、生活质量评价、远期预后、安全性指标六域。结论 中医药治疗儿童哮喘尚存在中医证候诊断和疗效标准不完善、主要和次要结局指标界限不清等问题，应当构建统一规范且广为认可的核心指标集，以促进儿童哮喘核心指标集的完善。
Objective To analyze the outcome indicators of randomised controlled trials（RCTs）of traditional Chinese medicine（TCM）for the treatment of childhood asthma，and to provide a preliminary basis for the construction of a core set of indicators for clinical trials of TCM for the treatment of this disease．Methods A database search was conducted on China Knowledge Network（CNKI），WanFang，VIP，SinoMed，PubMed，Cochrane Library，EmBase，and Web of Science，covering the period from the establishment of the database to 1 July 2024．The search comprehensively covered clinical randomised controlled studies of TCM therapies in the treatment of childhood asthma，and was completed independently by two investigators who screened the literature and extracted information according to the criteria，and extracted the basic characteristics of the literature and outcome indicators．Results Initially，2 449 literatures were retrieved，and 165 RCTs were finally included，including 205 outcome indicators，which were classified into six domains：symptoms/signs，TCM symptoms/evidence，physical and chemical examination，quality of life evaluation，long-term prognosis，and safety indicators．Conclusions Currently，there are problems such as imperfect diagnostic and efficacy criteria for TCM evidence，and unclear boundaries between primary and secondary outcome indicators in the treatment of childhood asthma with TCM．A unified，standardised and widely recognised core indicator set should be constructed to promote the improvement of the core indicator set for childhood asthma．
目的 调查儿童川崎病（KD）冠状动脉损伤发生情况,并进行危险因素分析。方法 选择2018年1月—2022年12月在泉州市妇幼保健院儿童医院诊治的KD儿童782例为研究对象,所有患儿在入院时均给予超声检查,判定冠状动脉损伤情况,调查所有患儿的一般资料,进行危险因素分析。结果 782例患儿中,超声判断为冠状动脉损伤171例,占比21.9%（冠脉损伤组）,无冠状动脉损伤611例（无冠脉损伤组）。冠脉损伤组的皮疹、肢端硬性红肿、球结膜充血、杨梅舌等临床表现占比分别为83.6%、67.8%、86.0%、81.9%,高于无冠脉损伤组的63.5%、49.7%、62.5%、65.3%（P<0.05）。冠脉损伤组与无冠脉损伤组的性别、年龄、血红蛋白、血红细胞沉降率（ESR）等比较差异无统计学意义（P>0.05）,冠脉损伤组的丙氨酸氨基转移酶、白细胞计数（WBC）、D-二聚体（D-D）、C-反应蛋白（CRP）、降钙素原（PCT）、血小板计数（PLT）、发热时间与无冠脉损伤组比较差异有统计学意义（P<0.05）。多因素Logistic逐步回归分析显示,WBC、D-D、CRP、PCT、PLT、发热时间均为川崎病患儿发生冠状动脉损伤的影响因素（P<0.05）。结论 KD儿童中,冠状动脉损伤发生率较高,可导致患儿临床特征多样化,加重患儿的病情,WBC、D-D、CRP、PCT、PLT、发热时间为导致冠状动脉损伤发生的影响因素。
Objective To investigate the incidence of coronary artery injury in children with Kawasaki disease（KD）and analyze the risk factors．Methods From January 2018 to December 2022,782 children with KD diagnosed and treated in Quanzhou Women’s and Children’s Hospital were selected as the study subjects．All the children were given ultrasound examination on admission to determine the coronary artery injury level．The general information of all the children was investigated and the risk factors were analyzed．Results Among the 782 children,171 cases（21.9%）were diagnosed as the“coronary artery injury group”．The remaining 611 patients did not exhibit any coronary artery injury and were thus categorized as the“no coronary artery injury group”．The clinical manifestations incidences of rashes,hard red swelling of extremity,bulbar conjunctival congestion and bayberry tongue in the coronary injury group were 83.6%,67.8%,86.0% and 81.9%,respectively,which were significantly higher than those in the non-coronary injury group（63.5%,49.7%,62.5% and 65.3%,P<0.05）．There were no significant differences in gender,age,hemoglobin and erythrocyte sedimentation rate between the coronary injury group and the no coronary injury group（P>0.05）．There were significant differences in alanine aminotransferase,white blood cell count（WBC）,D-dimer（D-D）,C-reactive protein（CRP）,procalcitonin（PCT）,platelet count（PLT）and fever duration between the two groups（P<0.05）．Multivariate Logistic stepwise regression analysis showed that WBC,D-D,CRP,PCT and PLT were all important factors leading to coronary artery injury（P<0.05）．Conclusions The incidence of coronary artery injury in children with KD is relatively high,which can lead to the diversification of clinical features and disease aggravation of children．WBC,D-D,CRP,PCT,PLT and fever duration are important risk factors for the occurrence of coronary artery injury．
目的 研究基于儿童早期预警评分（PEWS）的分级干预模式促进重症肺炎患儿康复进程及对呼吸功能的影响。方法 回顾性分析2021年4月—2023年4月我院收治的100例重症肺炎患儿临床资料。将其按照干预方式的差异分为研究组（n=50）及对照组（n=50）。对照组选用常规干预,研究组则于对照组基础上增加基于PEWS的分级干预。对比两组康复进程（相关指标涵盖症状持续时长及住院天数）、呼吸功能（涵盖通气流速、每分钟最大通气量、肺活量、用力肺活量及深吸气量）、并发症发生情况（涵盖呼吸机相关性肺炎、肺大疱及胸膜炎）、患儿家属满意度。结果 研究组各项症状持续时长及住院天数均短于对照组（均P<0.05）。研究组各项呼吸功能指标水平均高于对照组（均P<0.05）。两组各项并发症发生率对比差异无统计学意义（P>0.05）。研究组患儿家属满意度高于对照组（96.00% vs 82.00%,P<0.05）。结论 基于PEWS的分级干预模式促进重症肺炎患儿康复进程的效果较佳,且能改善呼吸功能,提高患儿家属满意度。
Objective To study the effect of graded intervention mode based on Pediatric Early Warning Score（PEWS）on the recovery process and respiratory function of children with severe pneumonia．Methods The clinical data of 100 children with severe pneumonia treated in our hospital from April 2021 to April 2023 were retrospectively analyzed．Those children were divided into study group（n=50）and control group（n=50）according to the difference of intervention methods．Conventional intervention was used in the two groups,and PEWS-based graded intervention was added to the study group．The two groups were compared with each other in terms of recovery process（including duration of symptoms and length of stay）,respiratory function（including ventilation velocity,maximum volume per minute,vital capacity,forced vital capacity and deep inspiratory capacity）,complications（including ventilators associated pneumonia,bullosa and pleurisy）,and family member satisfaction．Results The duration of symptoms and hospitalization days in the study group were shorter than those in the control group（all P<0.05）．The levels of respiratory function indexes in study group were higher than those in control group（all P<0.05）．There was no significant difference in the incidence of complications between the two groups（P>0.05）．The satisfaction of family member in the study group was higher than that in the control group（96.00% vs 82.00%）（P<0.05）．Conclusions The PEWS based graded intervention model has a good effect on promoting the rehabilitation process of children with severe pneumonia,and can improve respiratory function,and increase the satisfaction of family member of children with severe pneumonia．
目的 探讨眼底豹纹斑密度（FTD）及视盘旁萎缩弧（PPA）与眼轴长（AL）的相关性,为眼底定量化在儿童近视防控的应用提供科学依据。方法 本研究随机抽取广州市荔湾区两所小学三年级学生作为研究对象,在校园视力筛查的过程中同时采集AL、CR和眼底彩照。使用AI软件对眼底彩照进行量化分析,量化指标包括不同区域和范围的FTD及PPA面积大小,根据眼轴长度分为三组：A组（AL<23 mm）;B组（23 mm≤AL<24 mm）;C组（24 mm≤AL）。结果 共有398例右眼被纳入统计分析,年龄范围8~11岁,中位数是9岁,男性人数占55.1％。三组组间AL、AL/CR和SE比较均有统计学差异（P<0.05）。A组与B组相比,FTD在后极部整体范围、黄斑中心3 mm区域、黄斑中心3 mm区域上方区域具有统计学差异（P<0.05）,C组与B组相比,PPA面积及FTD在后极部整体范围、视盘为中心4.5 mm范围、黄斑为中心直径3 mm和6 mm范围均具有统计学差异（P<0.05）,Spearman相关性分析表明,AL与PPA（r=0.443）和FTD（r=0.322）呈正相关（P<0.001）。亚组相关性分析表明,A组仅黄斑为中心直径3 mm上方范围FTD与AL呈正相关（P=0.028）,B组PPA、黄斑中心直径3 mm及其上方范围FTD与AL呈正相关（P<0.05）,C组仅PPA与AL呈正相关（P=0.005）。结论 眼底定量对于儿童近视防控具有潜在价值,PPA和FTD与AL呈正相关性,不同区域和范围FTD与AL相关性具有一定差异性,黄斑中心直径3 mm范围及其上方范围与眼轴相关性最强。FTD在短眼轴阶段就可以作为生物标记物预测近视严重程度,而PPA主要在长眼轴阶段体现生物标记物的作用。
Objective To investigate the correlation between fundus tessellated density（FTD）and peripapillary atrophy（PPA）with axial length（AL）,providing a scientific basis for the application of fundus quantification in the prevention and control of myopia in children．Methods This study randomly selected third-grade students from two primary schools in Liwan District,Guangzhou City,as research subjects．Axial length（AL）,corneal radius（CR）,and fundus color photographs were collected simultaneously during the school vision screening process．AI software was utilized to perform quantitative analysis on the fundus color photographs,with quantification indicators including the area size of PPA and FTD in different regions and ranges．Subjects were divided into three groups based on axial length：Group A（AL<23 mm）;Group B（23 mm≤AL<24 mm）;Group C（AL≥24 mm）．Results A total of 398 right eyes were included in the statistical analysis,with an age range of 8 to 11,a median age of 9,and 55.1% were male．There were significant statistical differences in AL,AL/CR,and spherical equivalent（SE）among the three groups（P<0.05）．Compared with Group B,Group A showed significant statistical differences in FTD in the overall posterior pole,the 3 mm diameter area centered on the fovea,and the superior area of the 3 mm foveal center（P<0.05）．Compared with Group B,Group C showed significant differences in PPA area and FTD in the overall posterior pole,the 4.5 mm diameter area centered on the optic disc,and the 3 mm and 6 mm diameter areas centered on the fovea（P<0.05）．Spearman correlation analysis indicated that AL was significantly positively correlated with PPA（r=0.443）and FTD（r=0.322）（P<0.001）．Subgroup correlation analysis showed that in Group A,only the FTD in the superior area of the 3 mm diameter centered on the fovea was significantly positively correlated with AL（P=0.028）．In Group B,PPA and FTD in the 3 mm diameter and superior area centered on the fovea were significantly positively correlated with AL（P<0.05）．In Group C,only PPA was significantly positively correlated with AL（P=0.005）．Conclusions Fundus quantification holds potential value for the prevention and control of myopia in children．PPA and FTD show significant positive correlations with AL,with varying degrees of correlation in different regions and ranges of FTD with AL．The 3 mm diameter area centered on the fovea and its superior area have the strongest correlation with the eye axis．FTD can serve as a biomarker to predict the severity of myopia in the early stages of eye axis elongation,while PPA primarily manifests as a biomarker in the later stages of elongation．
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 bronchoalveolar 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 bronchoalveolar 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 分析感恩拓延-建构理论在血友病患儿家庭护理中的应用效果。方法 对2021年1月—2022年1月期间在河南省儿童医院治疗的116例血友病患儿进行随机数表法分组,两组各58例。对照组给予常规临床干预,观察组给予感恩拓延-建构理论干预。比较两组患儿的负性情绪评分、家庭功能评分、自我意识评分、功能独立性评分、感恩问卷评分。结果 干预后观察组的焦虑性情绪障碍筛查表（SCARED）、儿童抑郁障碍自评量表（DSRSC）评分、各项家庭功能评分均低于对照组,干预后观察组的各项自我意识评分、各项功能独立性评分、感恩问卷评分均高于对照组,差异统计学有意义（P<0.05）。结论 感恩拓延-建构理论干预能够在一定程度上改善血友病患儿的负性情绪、家庭功能、自我意识、独立性及感恩水平。
Objective To analyze the application effect of gratitude extension-construction theory in family nursing of children with haemophilia．Methods A total of 116 children with haemophilia from January 2021 to January 2022 were randomly divided into two groups,58 children in each group．The control group received routine clinical intervention,while the observation group received gratitude extension-construction theory intervention．The negative emotional scores,family function scores,self-awareness scores,functional independence scores and gratitude questionnaire scores between the two groups were compared．Results After intervention,the SCARED,DSRSC,and family function scores of the observation group were lower than those of the control group．The self-awareness score,functional independence score,and gratitude questionnaire score of the observation group were higher than those of the control group,and the differences were significant（P<0.05）．Conclusions Gratitude extension-construction theory intervention can improve the negative emotion,family function,self-consciousness,independence and gratitude level of children with haemophilia to a certain extent．
目的 研究甲泼尼龙琥珀酸钠对重症支原体肺炎（SMPP）患儿的治疗效果及安全性。方法 采用随机数表法将南华大学附属长沙中心医院2021年1月—2022年12月收治的108例SMPP患儿分为两组,对照组（54例）采用常规治疗,研究组（54例）采用常规治疗联合甲泼尼龙琥珀酸钠治疗,比较2组临床疗效。结果 治疗后研究组炎症因子水平低于对照组,肺功能指标、健康状况评分均高于对照组,发热、咳嗽、肺啰音及肺阴影消失时间均短于对照组（P<0.05）;两组不良反应发生率比较差异无统计学意义（P>0.05）。结论 应用甲泼尼龙琥珀酸钠治疗可加快患儿症状缓解,改善机体炎症反应及肺功能,且安全性较高。
Objective To study the therapeutic effect and safety of methylprednisolone sodium succinate on children with severe Mycoplasma pneumoniae pneumonia（SMPP）．Methods A total of 108 children with SMPP admitted to Changsha Central Hospital from January 2021 to December 2022 were divided into two groups by random number table method．The control group（54 cases）was treated with conventional therapy,and the study group（54 cases）was treated with conventional therapy combined with methylprednisolone sodium succinate．The clinical effects of the two groups were compared．Results After treatment,the levels of inflammatory factors in the study group were lower than those in the control group,and lung function indicators and health status scores were higher than those in the control group．The disappearance time of fever,cough,lung rales and lung shadows was shorter than that in the control group（P<0.05）．There was no statistically significant difference in the incidence of adverse reactions between the two groups（P>0.05）．Conclusions The application of methylprednisolone sodium succinate treatment can accelerate the relief of symptoms in children,improve the body's inflammatory response and lung function,and has high safety．
目的 探讨软组织重建治疗儿童蟹钳指畸形的临床效果。方法 2019年1月—2022年12月对25例蟹钳指畸形或蟹钳指畸形术后出现“Z”形畸形患儿进行软组织重建治疗,观察术后1年Tada评分、并发症发生情况。结果 术后1年,25例患儿的Tada评分优16例（64%）,良8例（32%）,差1例（4%）。术后1年Peds QL评分（92.74±9.52）高于术前（79.25±7.43）,比较差异有统计学意义（P<0.001）。指间关节伸直障碍、骨折愈合延迟各发生1例,并发症总发生率8%。结论 软组织重建治疗儿童蟹钳指畸形,患儿无需经历一期切除重复拇指,二期行截骨矫形手术或者切除多指的多次手术,只需一次手术就完成蟹钳指截骨矫形,具有治疗周期短、患儿痛苦少、家庭经济成本低,且能显著提升患儿生存质量,临床效果满意等优点。
Objective To investigate the clinical effect of soft tissue reconstruction in the treatment of crab-claw finger deformity in children．Methods From January 2019 to December 2022,soft tissue reconstruction was performed in 25 patients with crab-claw finger deformity or “Z-shaped” deformity after surgery,and Tada score and complications were observed one year after surgery．Results One year after surgery,16 of 25 children had excellent Tada scores（64%）,8 of 25 had good scores（32%）,and 1 had poor score（4%）．The Peds QL score 1 year after operation（92.74±9.52）was significantly higher than that before operation（79.25±7.43）,and the difference was statistically significant（P<0.001）．Dysextension of interphalangeal joint and delayed fracture healing occurred in 1 case,the total complication rate was 8%．Conclusions In the treatment of crab-claw finger deformity and soft tissue reconstruction,children do not need to undergo one-stage resection of the repetitive thumb,second-stage osteotomy and orthopedic surgery or multiple operations to remove extra fingers,and just only one operation is needed to complete the osteotomy and orthopedic surgery of crab-claw finger,which has the advantages of short treatment cycle,less pain for children and low economic cost for families．It significantly improves the quality of life of children and has satisfactory clinical effects．
目的 通过对原位换管与首次置管比较,验证采用原位换管方式的可行性。方法 选取儿童肾内科先后采用了首次置管与原位换管的病例20例。将原位换管作为原位换管组,首次置管作为首次置管组,比较两组操作成功有效率、导管留置天数、最大血流速/体质量[mL/（min·kg）]、操作并发症的差异。结果 两组均一次性穿刺成功,两组在管道留置天数和血流速/体质量[mL/（min·kg）]及并发症比较差异均无统计学意义（P>0.05）。结论 原位换管与首次置管的效果相同,原位换管操作简单、对患者的损伤更小。
目的 探讨计划-实施-检查-处理（PDCA）循环法及根本原因分析法在持续正压通气治疗重症肺炎患儿中的应用效果。方法 选取2021年1月—2023年1月医院收治并接受鼻塞式持续正压通气治疗的重症肺炎患儿80例,基于随机数字表法分为两组,每组各40例。对照组接受常规护理,观察组采用PDCA循环法联合根本原因分析法护理干预。比较两组临床症状改善时间、血气指标[动脉血氧分压（PaO2）、动脉血氧饱和度（SaO2）、动脉血二氧化碳分压（PaCO2）]、肺功能指标[第1秒用力呼气容积（FEV1）、潮气量（VT）]、炎症免疫指标[单核细胞趋化蛋白-1（MCP-1）、可溶性髓系细胞触发受体-1（sTREM-1）、可溶性细胞间黏附分子-1（sICAM-1）]水平变化,比较两组患儿家属满意度情况。结果 观察组患儿咳嗽、气促、哮鸣音、心率恢复及紫绀等症状改善用时均低于对照组,比较差异有统计学意义（P<0.05）。干预前,两组患儿PaO2、SaO2、PaCO2、FEV1、VT、MCP-1、sTREM-1、sICAM-1水平比较差异均无统计学意义（P>0.05）;干预后,两组患儿上述指标水平均有不同程度变化（P<0.05）,观察组PaO2（97.18±7.90 mmHg vs 90.30±7.12 mmHg）、SaO2（93.58±3.82% vs 86.30±4.21%）、FEV1（2.66±0.46 L vs 1.97±0.34 L）、VT（11.92±1.89% vs 9.83±1.10%）水平均高于对照组,观察组PaCO2（36.70±3.97 mmHg vs 40.65±3.79 mmHg）、MCP-1（58.45±11.94 ng/L vs 74.46±16.69 ng/L）、sTREM-1（36.25±8.30 ng/L vs 51.57±9.51 ng/L）、sICAM-1（187.52±31.22 mg/L vs 243.73±46.79 mg/L）水平低于对照组,差异均有统计学意义（P<0.05）。观察组患儿家属满意度整体优于对照组（P<0.05）;观察组总满意率（97.5% vs 77.5%）高于对照组,差异有统计学意义（P<0.05）。结论 PDCA循环法及根本原因分析法应用于接受持续正压通气治疗的重症肺炎患儿,能够有效促进患儿临床症状改善,有利于血气及肺功能恢复,且可降低炎症反应,患儿家属满意度较高。
Objective To explore the application effect of Plan-Do-Check-Action（PDCA）circulation method and root cause analysis method in the treatment of children with severe pneumonia with continuous positive pressure ventilation．Methods From January 2021 to January 2023,80 children with severe pneumonia who were admitted to hospital and received nasal plug continuous positive pressure ventilation treatment were enrolled in this study．Based on the random number table method,they were divided into two groups,with 40 cases in each group．The control group received routine nursing,while the observation group received PDCA circulation method combined with root cause analysis nursing intervention．The improvement time of clinical symptoms,changes in blood gas indicators[arterial partial oxygen pressure（PaO2）,arterial oxygen saturation（SaO2）,arterial partial pressure of carbon dioxide（PaCO2）],lung function indicators [（forced expiratory volume in 1 second,FEV1）,tidal volume（VT）],and inflammatory immune indicators [monocyte chemotactic protein-1（MCP-1）,soluble myeloid cell trigger receptor-1（sTREM-1）,soluble intercellular adhesion molecule-1（sICAM-1）] levels between the two groups were compared,and the family members’ satisfaction of the two groups was also compared．Results The improvement time for symptoms such as cough,shortness of breath,wheezing,heart rate recovery and cyanosis in the observation group was lower than that in the control group,and the difference was statistically significant（P<0.05）．Before intervention,there was no statistically significant difference in the levels of PaO2,SaO2,PaCO2,FEV1,VT,MCP-1,sTREM-1 and sICAM-1 between the two groups of children（P>0.05）．After intervention,the levels of the above indicators in both groups of children showed varying degrees of change（P<0.05）．The levels of PaO2（97.18±7.90 mmHg vs 90.30±7.12 mmHg）,SaO2（93.58±3.82% vs 86.30±4.21%）,FEV1（2.66±0.46 L vs 1.97±0.34 L）,VT（11.92±1.89% vs 9.83±1.10%）in the observation group were higher than those in the control group．The levels of PaCO2（36.70±3.97 mmHg vs 40.65±3.79 mmHg）,MCP-1（58.45±11.94 ng/L vs 74.46±16.69 ng/L）,sTREM-1（36.25±8.30 ng/L vs 51.57±9.51 ng/L）and sICAM-1（187.52±31.22 mg/L vs 243.73±46.79 mg/L）in the observation group were lower than those of the control group,with statistically significant differences（P<0.05）．The overall satisfaction of the observation group was better than that of the control group（P<0.05）,the total family members’ satisfaction rate of the observation group was higher than that of the control group（97.5% vs 77.5%）,with a statistically significant difference（P<0.05）．Conclusions PDCA circulation method and root cause analysis method applied to children with severe pneumonia who receive continuous positive pressure ventilation treatment,can effectively promote the improvement of clinical symptoms,be conducive to the recovery of blood gas and lung function,and reduce inflammatory reaction,with high family members’ satisfaction．
