低固定管电压下固定电流与自动管电流在婴幼儿肺部低剂量CT扫描的研究

注册号:

Registration number:

ChiCTR2200065449 

最近更新日期:

Date of Last Refreshed on:

2023-04-27 18:56:12 

注册时间:

Date of Registration:

2022-11-04 00:00:00 

注册号状态:

补注册

Registration Status:

Retrospective registration

注册题目:

低固定管电压下固定电流与自动管电流在婴幼儿肺部低剂量CT扫描的研究

Public title:

Study of fixed current and automatic tube current under low fixed tube voltage in low-dose CT scan of infant lung

注册题目简写:

English Acronym:

研究课题的正式科学名称:

128排螺旋CT在小儿胸部低剂量扫描的应用

Scientific title:

Application of 128-slice spiral CT in low dose chest scanning in children

研究课题代号(代码):

Study subject ID:

在二级注册机构或其它机构的注册号:

The registration number of the Partner Registry or other register:

申请注册联系人:

陈务霜 

研究负责人:

何玲 

Applicant:

Wushaung Chen 

Study leader:

Lin He 

申请注册联系人电话:

Applicant telephone:

+86 15123304259

研究负责人电话:

Study leader's
telephone:

+86 13983399138

申请注册联系人传真 :

Applicant Fax:

研究负责人传真:

Study leader's fax:

申请注册联系人电子邮件:

Applicant E-mail:

745816302@qq.com

研究负责人电子邮件:

Study leader's E-mail:

480056@hospital.cqmu.edu.cn

申请单位网址(自愿提供):

Applicant website(voluntary supply):

重庆医科大学附属儿童医院

研究负责人网址(自愿提供):

Study leader's website(voluntary supply):

申请注册联系人通讯地址:

重庆市渝中区中山二路136号

研究负责人通讯地址:

重庆市渝中区中山二路136号

Applicant address:

136 Zhongshan 2nd Road, Yuzhong District, Chongqing

Study leader's address:

136 Zhongshan 2nd Road, Yuzhong District, Chongqing

申请注册联系人邮政编码:

Applicant postcode:

400014

研究负责人邮政编码:

Study leader's postcode:

400014

申请人所在单位:

重庆医科大学附属儿童医院

Applicant's institution:

Children's Hospital of Chongqing Medical University

研究负责人所在单位:

重庆医科大学附属儿童医院

Affiliation of the Leader:

Children's Hospital of Chongqing Medical University

是否获伦理委员会批准:

Approved by ethic committee:

Yes

伦理委员会批件文号:

Approved No. of ethic committee:

(2019)年伦理(研)第(145)号

伦理委员会批件附件:

Approved file of Ethical Committee:

查看附件View

批准本研究的伦理委员会名称:

重庆医科大学附属儿童医院医学研究伦理委员会

Name of the ethic committee:

Institutional Review Board of Children's Hospital of Chongqing Medical University

伦理委员会批准日期:

Date of approved by ethic committee:

2019-02-22 00:00:00

伦理委员会联系人:

陈务霜

Contact Name of the ethic committee:

Ling He

伦理委员会联系地址:

重庆市渝中区中山二路136号

Contact Address of the ethic committee:

136 Zhongshan 2nd Road, Yuzhong District, Chongqing

伦理委员会联系人电话:

Contact phone of the ethic committee:

伦理委员会联系人邮箱:

Contact email of the ethic committee:

480056@hospital.cqmu.edu.cn

研究实施负责(组长)单位:

重庆医科大学附属儿童医院

Primary sponsor:

Children's Hospital of Chongqing Medical University

研究实施负责(组长)单位地址:

重庆市渝中区中山二路136号

Primary sponsor's address:

136 Zhongshan 2nd Road, Yuzhong District, Chongqing

试验主办单位(项目批准或申办者):

Secondary sponsor:

国家:

中国

省(直辖市):

重庆市

市(区县):

渝中区

Country:

China

Province:

Chongqing

City:

Yuzhong District

单位(医院):

重庆医科大学附属儿童医院

具体地址:

中山二路136号

Institution
hospital:

Children's Hospital of Chongqing Medical University

Address:

136 Zhongshan 2nd Road

经费或物资来源:

导师研究经费

Source(s) of funding:

Tutor Research Fund

研究疾病:

胸部CT  

Target disease:

chest CT

研究疾病代码:

Target disease code:

研究类型:

干预性研究

Study type:

Interventional study

研究所处阶段:

I期临床试验 

Study phase:

1

研究设计:

不同剂量对照 

Study design:

Dose comparison 

研究目的:

探讨在80KV低管电压下超低固定管电流联合iDose迭代重建技术在婴幼儿肺部低剂量CT扫描的可行性。  

Objectives of Study:

To explore the feasibility of an ultralow fixed tube current combined with the iDose? iterative reconstruction technique at an 80 KV low tube voltage in low-dose CT scanning of infant lungs.

药物成份或治疗方案详述:

 

Description for medicine or protocol of treatment in detail:

 

纳入标准:

Inclusion criteria

排除标准:

1.影像诊断为大量气胸、胸腔积液、肺实变、大块实质性肿瘤、严重胸廓畸形的患儿;
2.严重心肝肾功能不全、对碘剂过敏、在14天内做过增强CT或输入过碘对比剂的患儿。

Exclusion criteria:

1. With an imaging diagnosis of no massive pneumothorax, no pleural effusion, no lung consolidation, no large substantial tumors, no severe thoracic deformities, no severe cardiac abnormalities, no hepatic and renal insufficiency;
2. No allergy to iodine, and no enhanced CT or iodine contrast input within 14 days.

研究实施时间:

Study execute time:

From 2019-02-23 00:00:00 To 2019-06-30 00:00:00  

征募观察对象时间:

Recruiting time:

From 2019-02-23 00:00:00 To 2019-06-30 00:00:00

干预措施:

Interventions:

组别:

实验组

样本量:

90

Group:

the experimental group

Sample size:

干预措施:

固定管电流30mAs

干预措施代码:

Intervention:

fixed tube current 30 mAs

Intervention code:

组别:

对照组

样本量:

90

Group:

the control group

Sample size:

干预措施:

自动管电流30-150 mAs

干预措施代码:

Intervention:

automatic tube current technique 30-150 mAs

Intervention code:

研究实施地点:

Countries of recruitment and research settings:

国家:

中国

省(直辖市):

重庆市 

市(区县):

重庆市 

Country:

China

Province:

Chongqing

City:

Chongqing

单位(医院):

重庆医科大学附属儿童医院 

单位级别:

三级甲等 

Institution
hospital:

Children's Hospital of Chongqing Medical University

Level of the institution:

Tertiary A

测量指标:

Outcomes:

指标中文名:

辐射剂量

指标类型:

主要指标

Outcome:

radiation dose

Type:

Primary indicator

测量时间点:

每个患者扫描结束后

测量方法:

记录计算机自动生成的辐射剂量

Measure time point of outcome:

at the end of each patient's scan

Measure method:

Record the radiation dose automatically generated by the computer

指标中文名:

图像信噪比

指标类型:

主要指标

Outcome:

SNR, Signal-Noise Ration

Type:

Primary indicator

测量时间点:

每个病人扫描结束后

测量方法:

SNR=CT值/SD竖脊肌

Measure time point of outcome:

at the end of each patient's scan

Measure method:

SNR = CT value/SD erector spinae

指标中文名:

主观图像质量评分

指标类型:

主要指标

Outcome:

the subjective quality of the images

Type:

Primary indicator

测量时间点:

每个病人扫描结束后

测量方法:

由2位主治以上医师对两组检查的图像(肺窗1400 HU、-450 HU)质量进行评价。图像主观质量评价为5分制,得分≥3 分视为满足诊断要求,检查成功

Measure time point of outcome:

at the end of each patient's scan

Measure method:

The subjective quality of the images (lung window 1400 HU, -450 HU) was evaluated by two attending physicians or above for each group, without the information on the infants and the scanning parameters being withheld. The subjective quality of the images was evaluated on a 5-point scale, with a score

采集人体标本:

Collecting sample(s)
from participants:

标本中文名:

组织:

Sample Name:

none

Tissue:

人体标本去向

其它  

说明

Fate of sample:

0thers  

Note:

征募研究对象情况:

Recruiting status:

结束

/Completed

年龄范围:

Participant age:

最小 Min age 1 years
最大 Max age 3 years

性别:

男女均可

Gender:

Both

随机方法(请说明由何人用什么方法产生随机序列):

实验组和对照组均随机选取患儿。

Randomization Procedure (please state who generates the random number sequence and by what method):

Children in experimental group and control group were randomly selected.

是否公开试验完成后的统计结果:

Calculated Results after the Study Completed public access:

公开/Public

盲法:

Blinding:

试验完成后的统计结果(上传文件):

Calculated Results after
the Study Completed(upload file):

是否共享原始数据:

IPD sharing

否No

共享原始数据的方式(说明:请填入公开原始数据日期和方式,如采用网络平台,需填该网络平台名称和网址):

2022-10-14 在https://figshare.com/account/home#/data 数据共享

The way of sharing IPD”(include metadata and protocol, If use web-based public database, please provide the url):

The datas were sharied on https://figshare.com/account/home#/data at October 14, 2022.

数据采集和管理(说明:数据采集和管理由两部分组成,一为病例记录表(Case Record Form, CRF),二为电子采集和管理系统(Electronic Data Capture, EDC),如ResMan即为一种基于互联网的EDC:

数据采集和管理均由研究人员完成。

Data collection and Management (A standard data collection and management system include a CRF and an electronic data capture:

The data were collected and managed by the researchers.

数据与安全监察委员会:

Data and Safety Monitoring Committee:

有/Yes

注册人:

Name of Registration:

 2022-11-04 18:14:24