{
  "meta": {
    "title": "CT 临床指南与专家共识数据库",
    "version": "1.0",
    "updated": "2026-09-22",
    "scope": "国内外 CT 相关临床指南、专家共识、行业标准、技术规范",
    "fields": "cn=中文名称, en=英文名称, org=发布机构, year=年份, source=出处, region=地区, cat=学科分类, tech=CT技术标签, summary=核心内容, points=CT技术相关点, url=来源"
  },
  "records": [
    {
      "id": "CN-STD-001",
      "cn": "X射线计算机体层成像儿童诊断参考水平标准（WS/T 851—2025）",
      "en": "Standard of diagnostic reference levels for pediatric X-ray computed tomography",
      "org": "国家卫生健康委员会（中国疾病预防控制中心辐射防护与核安全医学所等起草）",
      "year": "2025",
      "source": "卫生行业标准，2025-02-08 发布，2025-07-01 实施",
      "region": "中国",
      "cat": "辐射剂量与防护",
      "tech": ["辐射剂量", "诊断参考水平", "儿童低剂量", "质量控制"],
      "summary": "给出儿童（新生儿至15周岁）常见CT检查项目的诊断参考水平，覆盖头颅平扫、胸部平扫、腹部平扫；不适用于锥形束CT和放疗模拟定位CT。",
      "points": [
        "剂量指标明确使用 CTDIvol（mGy）与 DLP（mGy·cm）双指标，并以第25/50/75百分位数分别定义为低剂量提示水平、可达到水平、诊断参考水平",
        "头颅平扫 0~<1岁 第75百分位 CTDIvol 31 mGy / DLP 417 mGy·cm；1~<5岁 35/609；5~<10岁 35/723（原文分档详列）",
        "胸部平扫 0~<1岁 CTDIvol 第75百分位 2 mGy 量级，DLP 约 25~110 mGy·cm；腹部平扫显著高于胸部",
        "标准同时给出 25% 分位（低剂量提示水平），实质是对设备低剂量能力的下限要求",
        "要求在满足诊断需求前提下尽可能降低剂量，与 ALARA 原则一致"
      ],
      "url": "https://wjw.xizang.gov.cn/ztzl/wsfzxczl/202510/P020251013635376367558.pdf"
    },
    {
      "id": "CN-STD-002",
      "cn": "X射线计算机体层摄影装置质量控制检测规范（WS/T 519—2019）",
      "en": "Specification for testing of quality control in X-ray computed tomography",
      "org": "国家卫生健康委员会（中国疾控中心辐射防护与核安全医学所等起草）",
      "year": "2019",
      "source": "卫生行业标准，2019-01-25 发布，2019-07-01 实施",
      "region": "中国",
      "cat": "设备质量控制",
      "tech": ["质量控制", "辐射剂量", "图像质量", "层厚", "分辨率"],
      "summary": "规定诊断用CT质量控制检测的要求与方法，含验收检测、状态检测、稳定性检测；共11类检测指标（1项剂量+7项图像质量+其他）。",
      "points": [
        "辐射剂量指标：CTDIw（加权CT剂量指数）",
        "图像质量指标7项：重建层厚偏差、CT值（水）、噪声、均匀性、高对比分辨力、低对比可探测能力、CT值线性",
        "修订后新增小于1mm层厚的重建层厚偏差测量要求，贴合当前薄层临床使用实际",
        "修改了低对比可探测能力的检测方法与修正公式；规范了水模直径要求",
        "不适用于锥形束CT（CBCT）及专用头颅移动CT"
      ],
      "url": "https://www.chinacdc.cn/jkyj/fsws/jswj/202410/P020241018555946378772.pdf"
    },
    {
      "id": "CN-STD-003",
      "cn": "X射线计算机断层摄影成年人诊断参考水平",
      "en": "Diagnostic reference levels for adult X-ray computed tomography",
      "org": "国家卫生健康委员会",
      "year": "2024",
      "source": "国家职业卫生标准/卫生行业标准（中国疾控中心辐射防护与核安全医学所）",
      "region": "中国",
      "cat": "辐射剂量与防护",
      "tech": ["辐射剂量", "诊断参考水平", "CTDIvol", "DLP"],
      "summary": "基于全国30省168家医院约1.6万例数据制定，覆盖12个成年人常见CT检查项目的辐射剂量与诊断参考水平（第75百分位数）。",
      "points": [
        "头颅：CTDIvol 第75百分位 60 mGy / DLP 860 mGy·cm",
        "鼻窦：30 / 520；颈部：25 / 590",
        "胸部：15 / 470；腹部：20 / 790；盆腔：20 / 700",
        "腰椎逐层：35 / 200；腰椎螺旋：25 / 580",
        "尿路造影：20 / 2620",
        "冠脉CTA（前瞻门控）：40 / 600；冠脉CTA（回顾门控）：60 / 1030",
        "颅脑CTA：40 / 1390；颈部CTA：30 / 1130；胸腹CTA：20 / 1440",
        "明确使用单位每年应对每台CT设备的常用检查项目进行不少于20人次的剂量核查（重要合规要求）",
        "CTDIvol 与 DLP 关系中 DLP = CTDIvol × L（L为沿人体长轴扫描长度）"
      ],
      "url": "https://www.nirp.cn/fsaqssjb/fswsfgbzsjb/bzsjb/wshybzsjb/202409/P020240918842991853519.pdf"
    },
    {
      "id": "CN-STD-004",
      "cn": "放射诊断放射防护要求（GBZ 130—2020）",
      "en": "Requirements for radiological protection in diagnostic radiology",
      "org": "国家卫生健康委员会",
      "year": "2020",
      "source": "强制性国家职业卫生标准",
      "region": "中国",
      "cat": "辐射防护",
      "tech": ["辐射防护", "屏蔽防护", "机房设计"],
      "summary": "规定放射诊断（含CT）放射防护的基本要求，是CT机房设计、防护用品配置、剂量管理的强制性依据。",
      "points": [
        "为WS/T 851—2025等标准的规范性引用文件",
        "对CT机房的屏蔽、屏蔽防护用品的使用条件提出强制性要求"
      ],
      "url": "https://www.nhc.gov.cn/"
    },
    {
      "id": "CN-CSR-001",
      "cn": "光子计数CT临床应用专家共识",
      "en": "Chinese expert consensus on the clinical application of photon-counting CT",
      "org": "中华医学会放射学分会、《中华放射学杂志》光子计数CT临床应用协作组",
      "year": "2025",
      "source": "中华放射学杂志, 2025, 59(4): 364-383. DOI:10.3760/cma.j.cn112149-20250207-00068",
      "region": "中国",
      "cat": "CT新技术/探测器",
      "tech": ["光子计数CT", "探测器", "超高分辨率", "能量成像", "辐射剂量", "大螺距"],
      "summary": "系统总结PCCT技术原理与临床应用优势，为国内PCCT推广提供参考。指出PCCT相比传统能量积分探测器CT显著提升空间分辨率、降低辐射剂量，并可直接获取能量图像。",
      "points": [
        "PCCT 相较于传统能量积分探测器（EID）CT：空间分辨率显著提升、辐射剂量降低、可直接获取能量图像",
        "超高分辨率（UHR）模式在头颈部血管、冠状动脉、支架、肺部小气道、内耳等超微结构显示中优势明显",
        "UHR + 快速大螺距扫描 + 能量成像组合模式拓宽临床应用场景",
        "能量成像在肝脏脂肪定量、心脏周围脂肪定量、心肌纤维化定量及肿瘤诊断中优势显著",
        "能量成像结合大螺距与灌注扫描，可在胸部及腹部'一站式'检查中提供低辐射剂量多参数影像信息",
        "关键词：体层摄影术X线计算机、光子计数探测器、能量成像、辐射剂量、临床应用"
      ],
      "url": "https://rs.yiigle.com/cmaid/1536412"
    },
    {
      "id": "CN-CSR-002",
      "cn": "CT深度学习图像重建算法临床应用中国专家共识",
      "en": "Chinese expert consensus on the clinical application of deep learning image reconstruction algorithms for CT",
      "org": "中国医师协会放射医师分会、医学技师专业委员会、中华医学会影像技术分会、中国医学装备协会放射影像装备分会",
      "year": "2024",
      "source": "中华放射学杂志, 2024, 58(7): 697-706",
      "region": "中国",
      "cat": "图像重建算法",
      "tech": ["深度学习重建", "DLIR", "图像质量", "辐射剂量", "迭代重建"],
      "summary": "论述DLIR技术特点、临床前实验研究及在头颈、心脏大血管、胸部、腹部、骨肌、儿童、急诊和能谱方面的临床应用，给出推荐意见。",
      "points": [
        "DLIR 突破非线性迭代重建在图像质量方面的限制：有效降低图像噪声、提高图像质量、同时减少计算负载",
        "支持常规快速重建，可用于急诊场景",
        "头颈部CTA推荐：低管电压（80 kVp）+ 低对比剂用量（碘浓度180-210 mg/kg）+ 注射流率≥3 mL/s + DLIR-H 重建",
        "低管电压（80~100 kVp）结合DLIR可用于急诊受检者头颈CTA，提高颅脑血管显示能力",
        "研究表明80 kVp + DLIR（M/H级）可在对比剂用量降低约37.5%、CTDIvol降低约41%的同时获得更优图像质量",
        "DLIR 按强度分 L/M/H 档（低/中/高），噪声抑制与信噪比提升随强度递增",
        "急诊全身CT：DLIR结合低管电流，标准体型受检者可采用100 kVp"
      ],
      "url": "https://rs.yiigle.com/cmaid/1506809"
    },
    {
      "id": "CN-CSR-003",
      "cn": "能量CT临床应用中国专家共识",
      "en": "Chinese expert consensus on the clinical application of energy (spectral) CT",
      "org": "中华医学会放射学分会、中国医师协会放射医师分会、安徽省影像临床医学研究中心",
      "year": "2022",
      "source": "中华放射学杂志, 2022, 56(5): 476-487. DOI:10.3760/cma.j.cn112149-20220118-00051",
      "region": "中国",
      "cat": "CT新技术/能谱",
      "tech": ["能量CT", "双能CT", "虚拟单能量", "碘图", "虚拟平扫", "探测器宽度"],
      "summary": "统一能量CT术语，梳理不同能量CT实现形式与技术特点，并给出血管、头颈、心胸、腹部、骨肌成像的临床应用建议。",
      "points": [
        "梳理出能量CT的6种实现模式：单源序列扫描双能量、单源双光束、单源瞬时管电压切换、双源双能量、双层探测器光谱CT、光子计数CT",
        "探测器宽度差异：单源序列扫描/单源双光束/双层探测器为'无限制'或4~16cm；双源为5.76cm（受限）；光子计数CT为5.76cm",
        "成像视野（FOV）限制：双源双能量CT受限于较小探测器视野（5.76cm），是本共识明确的技术约束",
        "能量解析方式分为投影数据域解析与图像域解析；只有高低kVp瞬时切换和光谱CT基于原始数据域解析",
        "低能量段虚拟单能量图像（VMI）可优化血管显示，支撑'双低'（低对比剂、低辐射）CTA方案",
        "高能量段VMI用于去伪影，在支架内管腔评估中作用重要",
        "虚拟平扫（VNC）可代替常规平扫，减少受检者辐射剂量",
        "心脏：VNC钙化积分成像准确度较高，有利于减少辐射剂量",
        "腹部：低能量段VMI提高腹部实质性脏器隐匿性病灶检出率；碘定量用于疗效监测",
        "泌尿系结石：可有效区分单一成分结石，对混合成分结石鉴别能力有限"
      ],
      "url": "https://rs.yiigle.com/cmaid/1380517"
    },
    {
      "id": "CN-CSR-004",
      "cn": "双层探测器光谱CT临床应用中国专家共识（第一版）",
      "en": "Chinese expert consensus on the clinical application of dual-layer spectral detector CT (first edition)",
      "org": "中华放射学杂志双层探测器光谱CT临床应用协作组",
      "year": "2021",
      "source": "中华医学杂志",
      "region": "中国",
      "cat": "CT新技术/能谱",
      "tech": ["双层探测器", "光谱CT", "投影数据域", "探测器材料", "去金属伪影"],
      "summary": "阐述双层探测器光谱CT的能量成像原理与临床应用，强调其在每次常规扫描中同步采集高、低能量信息。",
      "points": [
        "探测器结构：上、下两层空间对等的探测器；上层以稀有金属钇（Yttrium）为基质闪烁晶体，下层为稀土陶瓷探测器",
        "上层只吸收低能光子并允许高能光子穿过，下层吸收高能光子，避免上下层串扰",
        "高、低能数据在投影数据域内时间与空间完全匹配，可大幅降低能谱图像噪声",
        "优势：扫描前无需预判是否需要双能量扫描，无器官和扫描视野（FOV）限制",
        "全息光谱图像（SBI）基数据包可存储于主机/工作站/PACS，支持回顾性能谱重建",
        "对金属伪影去除、病变检出敏感性、物质成分判定有优势"
      ],
      "url": "https://cmab.yiigle.com/uploads/guide_html/%E5%8F%8C%E5%B1%82%E6%8E%A2%E6%B5%8B%E5%99%A8%E5%85%89%E8%B0%B1CT%E4%B8%B4%E5%BA%8A%E5%BA%94%E7%94%A8%E4%B8%AD%E5%9B%BD%E4%B8%93%E5%AE%B6%E5%85%B1%E8%AF%86%EF%BC%88%E7%AC%AC%E4%B8%80%E7%89%88%EF%BC%89.html"
    },
    {
      "id": "CN-CSR-005",
      "cn": "脑心联合CT血管成像规范化应用专家共识",
      "en": "Chinese expert consensus on the standardized application of combined brain-heart CT angiography",
      "org": "中华医学会放射学分会对比剂使用和安全工作组、神经学组、心胸学组",
      "year": "2025",
      "source": "中华放射学杂志, 2025, 59(2): 135-146",
      "region": "中国",
      "cat": "心血管/神经",
      "tech": ["CTA", "对比剂", "扫描方案", "后处理", "报告规范"],
      "summary": "针对脑心血管共患疾病，规范脑心联合CTA的扫描、对比剂注射、图像后处理与分析及报告书写。",
      "points": [
        "对CT设备时间分辨率与覆盖范围提出要求（脑心联合需一次扫描覆盖头颈至心脏）",
        "规范对比剂注射方案（流率、总量、触发阈值）",
        "统一图像后处理与诊断报告书写要素"
      ],
      "url": "https://guide.medlive.cn/guide_v2/1/34376"
    },
    {
      "id": "CN-CSR-006",
      "cn": "CT小肠造影检查及报告书写规范专家共识",
      "en": "Chinese expert consensus on CT enterography examination and reporting standards",
      "org": "中华医学会放射学分会腹部学组、中国医学装备协会放射影像装备分会",
      "year": "2026",
      "source": "中华放射学杂志, 2026, 60(5): 538-549",
      "region": "中国",
      "cat": "腹部/消化",
      "tech": ["CTE", "扫描技术", "肠道准备", "报告规范"],
      "summary": "就CTE的适应证、禁忌证、检查技术、临床应用及影像报告要点达成共识，推动小肠CT检查规范化。",
      "points": [
        "明确CTE的适应证与禁忌证",
        "规范小肠充盈、肠道准备及扫描期相",
        "统一影像报告书写要素"
      ],
      "url": "https://guide.medlive.cn/guide_v2/1/39008"
    },
    {
      "id": "CN-CSR-007",
      "cn": "儿童低剂量CT图像质量标准专家共识",
      "en": "Chinese expert consensus on image quality standards for pediatric low-dose CT",
      "org": "国家儿童医学中心、北京医学会放射学分会",
      "year": "2025",
      "source": "中华放射学杂志, 2025, 59(10): 1104-1110",
      "region": "中国",
      "cat": "儿科/辐射剂量",
      "tech": ["儿童低剂量", "图像质量", "主观评价", "客观参数", "ALARA"],
      "summary": "针对我国CT设备品牌多元、代差明显、同剂量下图像质量差异大的现状，界定可保证诊断的最低CT图像质量标准。",
      "points": [
        "对儿童头颅平扫、胸部平扫、腹部增强CT、CT血管成像分别规定图像质量评价标准",
        "定义儿童CT图像的主观评价标准与客观图像质量参数标准",
        "核心逻辑：界定保证诊断所需的最低图像质量，据此调整各型号设备参数",
        "指出同一辐射剂量在众多型号设备上不能保证获得相似图像质量（设备性能差异）",
        "以ALARA为原则，指导儿童低剂量CT扫描方案"
      ],
      "url": "https://guide.medlive.cn/guide_v2/1/36689"
    },
    {
      "id": "CN-CSR-008",
      "cn": "胸部CT检查接触屏蔽防护用品规范使用专家共识",
      "en": "Chinese expert consensus on the standardized use of contact shielding in chest CT",
      "org": "中国医师协会医学技师专业委员会、中华医学会影像技术分会",
      "year": "2026",
      "source": "中华放射医学与防护杂志, 2026, 46(5): 445-451",
      "region": "中国",
      "cat": "辐射防护",
      "tech": ["屏蔽防护", "自动管电流调制", "迭代重建", "扫描范围"],
      "summary": "明确CT检查中不推荐常规使用接触屏蔽（铅衣），强调应通过技术手段从源头降低剂量。",
      "points": [
        "核心结论：不推荐胸部CT常规使用铅衣等接触屏蔽防护",
        "剂量降低的正确路径：管电流调制（ATCM）、迭代重建算法等技术手段实现'源头减排'",
        "精准制订扫描范围：只扫该扫的部位，从物理空间减少受照体积",
        "特殊情况下使用接触屏蔽必须确保防护用品完全不进入扫描视野（FOV）",
        "理念与欧洲辐射防护指南一致（停止常规使用患者接触屏蔽）"
      ],
      "url": "https://www.toutiao.com/a7662218309235966527"
    },
    {
      "id": "CN-CSR-009",
      "cn": "主动脉计算机断层扫描血管成像检查技术中国专家共识",
      "en": "Chinese expert consensus on CT angiography examination techniques for aortic disease",
      "org": "国家心血管系统疾病医疗质量控制中心心血管影像工作组、国家外周血管介入技术医疗质量控制中心专家委员会主动脉疾病专家工作组",
      "year": "2026",
      "source": "中国循环杂志, 2026, 41(5): 437-446. DOI:10.3969/j.issn.1000-3614.2026.05.003",
      "region": "中国",
      "cat": "心血管",
      "tech": ["主动脉CTA", "运动伪影", "时间分辨率", "扫描方案", "A级推荐"],
      "summary": "针对不同主动脉疾病给出差异化CTA扫描方案，并对图像质量不达标时的重复检查作出风险分级要求。",
      "points": [
        "不同主动脉疾病需采用不同CTA扫描方案（升主动脉/腹主动脉等）",
        "明确指出升主动脉图像运动伪影重、腹主动脉及以远显影淡，影响内膜片和管腔边界勾画，无法精准测量",
        "对运动伪影的控制实质对设备时间分辨率（机架转速）提出要求",
        "图像质量不能满足评估要求时需二次检查，但须由放射科与临床医师综合评估心、肾功能及对比剂使用情况（A级推荐）",
        "二次扫描仅需重复之前失败的内容"
      ],
      "url": "https://news.medlive.cn/all/info-news/show-246793_129.html"
    },
    {
      "id": "CN-CSR-010",
      "cn": "急性肺血栓栓塞症计算机断层扫描肺动脉血管成像检查与诊断报告书写规范专家共识（2026版）",
      "en": "Chinese expert consensus on CT pulmonary angiography (CTPA) examination and diagnostic reporting for acute pulmonary thromboembolism (2026)",
      "org": "国家心血管病专家委员会心血管影像专业委员会",
      "year": "2026",
      "source": "专家共识（2026版）",
      "region": "中国",
      "cat": "心血管/胸部",
      "tech": ["CTPA", "扫描技术", "报告规范", "肺动脉"],
      "summary": "规范急性肺栓塞CTPA的检查技术与诊断报告书写，提升诊断同质化水平。",
      "points": [
        "规范CTPA扫描触发、对比剂注射与重建方案",
        "统一肺动脉血栓的诊断报告书写要素",
        "强调加急场景下的检查质量控制"
      ],
      "url": "https://m.medlive.cn/guide/1/40270"
    },
    {
      "id": "CN-CSR-011",
      "cn": "头颈部CT血管成像扫描方案与注射方案专家共识",
      "en": "Chinese expert consensus on head and neck CTA scanning and contrast injection protocols",
      "org": "中华医学会放射学分会（通信作者：金征宇）",
      "year": "2018",
      "source": "中华放射学杂志",
      "region": "中国",
      "cat": "头颈/神经",
      "tech": ["头颈CTA", "扫描方案", "对比剂注射", "后处理", "图像质量评估"],
      "summary": "参照2015年美国放射学院、美国神经放射学会、儿科放射学会头颈部CTA应用指南，结合我国实际形成，涵盖检查前准备、扫描方案、注射方案、后处理与质量评估。",
      "points": [
        "内容框架：检查前准备 → 扫描方案 → 对比剂注射方案 → 图像后处理及临床应用 → 图像质量评估",
        "为国内头颈部CTA的标准参考文件，被后续多项共识引用"
      ],
      "url": "https://ima.qq.com/wiki/"
    },
    {
      "id": "CN-CSR-012",
      "cn": "CT检查技术专家共识",
      "en": "Chinese expert consensus on CT examination techniques",
      "org": "中华医学会影像技术分会（中华医学知识库收录）",
      "year": "2016",
      "source": "中华放射学杂志系列",
      "region": "中国",
      "cat": "扫描技术总论",
      "tech": ["扫描参数", "管电压", "管电流", "层厚", "对比剂", "期相"],
      "summary": "系统规定全身各部位CT扫描的体位、定位像、扫描范围、扫描参数、图像后处理与质量控制，是国内CT技术操作的基准文本。",
      "points": [
        "四肢骨关节常规平扫：螺旋扫描，管电压120 kV，管电流80~100 mAs，重建层厚与层间距2~3 mm，标准算法",
        "四肢增强扫描：团注对比剂，注射流率2.0~2.5 mL/s，总量60~80 mL，延迟60~70 s",
        "腹部增强：对比剂含碘浓度270~370 mg/mL，流率2.5~3.5 mL/s，用量80~100 mL",
        "肝脏三期：动脉期25~30 s、门静脉期50~60 s、实质期120~180 s",
        "胰腺双期：动脉期35~40 s、胰腺期65~70 s",
        "肾脏三期：皮质期25~30 s、髓质期90~110 s、分泌期3~5 min",
        "椎体MPR重组层厚与层间距2~3 mm",
        "肝脏/胰腺灌注：流率4.0~8.0 mL/s，对比剂50 mL，灌注时间30~40 s，电影扫描采集"
      ],
      "url": "https://gpedu.yiigle.com/uploads/guide_html/CT%E6%A3%80%E6%9F%A5%E6%8A%80%E6%9C%AF%E4%B8%93%E5%AE%B6%E5%85%B1%E8%AF%86.html"
    },
    {
      "id": "CN-CSR-013",
      "cn": "创伤性急重症CT检查技术专家共识",
      "en": "Chinese expert consensus on CT examination techniques for traumatic critical emergencies",
      "org": "中华医学会相关分会",
      "year": "2019",
      "source": "中华医学杂志",
      "region": "中国",
      "cat": "急诊/创伤",
      "tech": ["急诊CT", "三维重组", "层厚", "管电压", "管电流调制", "3D打印"],
      "summary": "规定创伤性急重症各部位CT检查技术与图像处理、质量控制要求。",
      "points": [
        "四肢骨关节：螺旋扫描，管电压120 kV，推荐使用管电流智能调节技术（自动曝光控制）",
        "重建层厚与间隔≤层厚；容积重建层厚0.6~1.2 mm",
        "软组织窗窗宽200~400 HU、窗位40~50 HU；骨窗窗宽1000~1500 HU、窗位300~400 HU",
        "MPR重组层厚与层间距2~3 mm，VR三维重组显示骨结构",
        "骨算法/高分辨力算法用于细小结构及细微骨折显示",
        "三维重组联合3D打印开展术前模拟规划，可缩短复杂骨折手术时间、降低术中误差",
        "椎体扫描范围尽量包含一端具有特征或易于辨认的椎体（便于定位）"
      ],
      "url": "https://cmab.yiigle.com/uploads/guide_html/5928.html"
    },
    {
      "id": "CN-CSR-014",
      "cn": "急危重症成人患者院内CT检查全流程护理管理专家共识",
      "en": "Chinese expert consensus on whole-process nursing management of in-hospital CT examination for adult critically ill patients",
      "org": "中华医学会放射学分会护理学组",
      "year": "2025",
      "source": "放射学实践, 2025, 40(10): 1195-1202. DOI:10.13609/j.cnki.1000-0313.2025.10.001",
      "region": "中国",
      "cat": "急诊/护理管理",
      "tech": ["全流程管理", "风险评估", "图像质量", "跨部门协作"],
      "summary": "建立急危重症患者院内CT检查的风险评估体系与全流程护理规范，确立6大核心规范。",
      "points": [
        "6大核心规范：风险评估量化标准、跨部门SBAR沟通模式、转运风险分级管理、检查中协同监护流程、检查后处理流程、质量控制策略与培训",
        "目标是提升CT检查效率与图像质量，减少因患者不配合导致的重复扫描",
        "为不同层级医疗机构提供同质化方案"
      ],
      "url": "https://www.citexs.com/paper_detail?id=47908863"
    },
    {
      "id": "CN-CSR-015",
      "cn": "碘美普尔（碘浓度300 mg I/ml）CT增强扫描专家共识",
      "en": "Chinese expert consensus on CT enhancement scanning with iomeprol (300 mg I/ml)",
      "org": "中华医学会影像技术分会、中国医师协会医学技师专业委员会",
      "year": "2025",
      "source": "中华放射学杂志, 2025, 59(5): 480-486",
      "region": "中国",
      "cat": "对比剂",
      "tech": ["对比剂", "注射方案", "碘浓度", "增强扫描"],
      "summary": "针对300 mg I/ml碘浓度对比剂的CT增强扫描参数与流程给出规范化建议。",
      "points": [
        "明确不同部位增强扫描的对比剂用量与注射流率",
        "为低碘浓度对比剂结合低管电压扫描提供依据"
      ],
      "url": "https://www.hinews.cn/page?n=2829469"
    },
    {
      "id": "CN-CSR-016",
      "cn": "CT增强检查前的饮食准备管理规范中国专家共识",
      "en": "Chinese expert consensus on dietary preparation management before contrast-enhanced CT",
      "org": "中华医学会放射学分会护理学组、重庆市护理学会影像护理专业委员会",
      "year": "2024",
      "source": "放射学实践, 2024, 39(5): 563-568",
      "region": "中国",
      "cat": "对比剂/流程管理",
      "tech": ["检查前准备", "禁食", "安全管理"],
      "summary": "规范CT增强检查前的饮食准备，降低不良反应风险。",
      "points": [
        "明确禁食时间要求与饮水（水化）管理",
        "针对糖尿病、肾功能异常等特殊人群的个体化准备"
      ],
      "url": "https://www.hinews.cn/page?n=2829469"
    },
    {
      "id": "CN-CSR-017",
      "cn": "碘对比剂超敏反应临床诊疗及长期管理专家共识（2026版）",
      "en": "Chinese expert consensus on clinical diagnosis, treatment and long-term management of iodinated contrast media hypersensitivity (2026)",
      "org": "国家免疫学（含变态反应）专业医疗质量控制中心",
      "year": "2026",
      "source": "专家共识（2026版）",
      "region": "中国",
      "cat": "对比剂安全",
      "tech": ["对比剂", "超敏反应", "急救", "风险管理"],
      "summary": "规范碘对比剂超敏反应的识别、分级处置与长期管理，是CT增强安全的关键文件。",
      "points": [
        "对超敏反应进行分级与对应处置流程规范",
        "明确既往中重度不良反应者的禁忌与替代方案",
        "强调长期随访与再暴露风险管理"
      ],
      "url": "https://m.medlive.cn/guide/1/40543"
    },
    {
      "id": "CN-CSR-018",
      "cn": "含碘对比剂静脉外渗护理管理实践指南（2026年更新版）",
      "en": "Practice guideline for nursing management of intravenous iodinated contrast media extravasation (2026 update)",
      "org": "中华护理学会",
      "year": "2026",
      "source": "护理实践指南（2026年更新版）",
      "region": "中国",
      "cat": "对比剂安全",
      "tech": ["对比剂外渗", "护理管理", "高风险注射"],
      "summary": "规范CT增强扫描中碘对比剂静脉外渗的预防、识别与处理。",
      "points": [
        "明确外渗风险评估要素与预防措施",
        "分级处理流程与随访要求"
      ],
      "url": "https://m.medlive.cn/guide/1/40497"
    },
    {
      "id": "CN-CSR-019",
      "cn": "CT模拟定位增强扫描技术临床操作规范专家共识（2025版）",
      "en": "Chinese expert consensus on clinical operation standards for contrast-enhanced CT simulation positioning (2025)",
      "org": "北京市放射治疗质量控制和改进中心、中华医学会放射肿瘤治疗学分会等",
      "year": "2025",
      "source": "中华放射肿瘤学杂志, 2025, 34(7): 648-656",
      "region": "中国",
      "cat": "放疗定位",
      "tech": ["CT模拟定位", "增强扫描", "大孔径", "扫描规范"],
      "summary": "规范放疗CT模拟定位增强扫描的技术操作。",
      "points": [
        "对放疗定位CT的大孔径、扫描范围与增强方案提出要求",
        "强调定位精度与图像质量的统一"
      ],
      "url": "https://www.hinews.cn/page?n=2829469"
    },
    {
      "id": "CN-CSR-020",
      "cn": "锥形束CT在腹盆腔疾病介入诊疗中应用专家共识",
      "en": "Chinese expert consensus on the application of cone-beam CT in interventional diagnosis and treatment of abdominopelvic diseases",
      "org": "中国医师协会介入医师分会",
      "year": "2026",
      "source": "专家共识",
      "region": "中国",
      "cat": "介入",
      "tech": ["CBCT", "介入", "术中成像"],
      "summary": "规范锥形束CT在腹盆腔介入诊疗中的应用指征与技术。",
      "points": [
        "明确CBCT在介入手术中的定位、导航与即时评估价值",
        "与常规诊断CT的适用边界区分"
      ],
      "url": "https://m.medlive.cn/guide/1/40113"
    },
    {
      "id": "CN-CSR-021",
      "cn": "头颈部CT血管成像检查技术重庆专家共识",
      "en": "Chongqing expert consensus on computed tomography angiography examination techniques of head and neck vessels",
      "org": "重庆市医学会影像技术分会",
      "year": "2025",
      "source": "重庆医学, 2025, 54(2): 281-288",
      "region": "中国",
      "cat": "头颈/影像技术",
      "tech": ["头颈CTA", "操作规范", "图像质量控制", "人工智能"],
      "summary": "针对不同层级医疗机构设备多样化、检查技术差异大的现状，规范头颈部CTA检查技术。内容含检查前准备、操作规范、图像质量控制标准、AI在头颈CTA中的应用。",
      "points": [
        "明确头颈部CTA图像质量控制标准",
        "纳入人工智能在头颈部CTA成像中的应用条款",
        "强调同类型设备在不同机构间操作规范、检查流程、图像后处理的统一"
      ],
      "url": "https://wprim.whocc.org.cn/admin/article/articleDetail?WPRIMID=1179493&articleId=1248276"
    },
    {
      "id": "CN-CSR-022",
      "cn": "宽体探测器冠状动脉CTA检查技术规范——重庆专家共识",
      "en": "Chongqing expert consensus on the technical specification of wide-detector coronary CTA",
      "org": "重庆市医学会影像技术分会",
      "year": "2026",
      "source": "专家共识（2026年发布）",
      "region": "中国",
      "cat": "心血管/影像技术",
      "tech": ["宽体探测器", "冠脉CTA", "单心跳成像", "时间分辨率"],
      "summary": "针对宽体探测器CT的冠状动脉CTA检查技术规范，是少见的直接以'宽体探测器'为技术前提的国内共识。",
      "points": [
        "以宽体探测器（16cm量级）为技术前提制定冠脉CTA检查规范",
        "宽体探测器可实现单心跳（一次心动周期）全心覆盖，降低心率依赖与运动伪影",
        "对扫描时相选择、对比剂注射与重建方案给出规范"
      ],
      "url": "https://m.medlive.cn/guide/1/40586"
    },
    {
      "id": "CN-CSR-023",
      "cn": "黑龙江省冠状动脉CT血管成像检查放射护理全流程安全管理专家共识（2026）",
      "en": "Heilongjiang expert consensus on whole-process radiation nursing safety management for coronary CTA (2026)",
      "org": "黑龙江省护理学会放射护理专业委员会",
      "year": "2026",
      "source": "专家共识（2026）",
      "region": "中国",
      "cat": "心血管/护理",
      "tech": ["冠脉CTA", "放射护理", "安全管理"],
      "summary": "省级层面的冠脉CTA放射护理全流程安全管理规范。",
      "points": [
        "覆盖检查前评估、检查中配合、检查后观察全流程",
        "强调心率控制与屏气训练对图像质量的保障作用"
      ],
      "url": "https://m.medlive.cn/guide/1/40259"
    },
    {
      "id": "CN-CSR-024",
      "cn": "冠心病CT检查和诊断中国专家共识",
      "en": "Chinese expert consensus on CT examination and diagnosis of coronary heart disease",
      "org": "中国医师协会放射医师分会",
      "year": "2024",
      "source": "2024年2月发布，OCC 2024/WCC 2024 解读",
      "region": "中国",
      "cat": "心血管",
      "tech": ["冠脉CTA", "钙化积分", "管电压", "螺距", "心电门控", "层厚"],
      "summary": "规范冠心病CT检查的适应证与技术参数，推动各级医院规范应用冠脉CT技术。",
      "points": [
        "常规胸部CT钙化评估：管电压120 kVp，自动管电流调制，螺距1.20~1.75，FOV 34cm×34cm~36cm×36cm，采集矩阵512×512",
        "心电门控CACS（钙化积分）：推荐前瞻性心电门控平扫作为定量评估标准技术，推荐在CCTA前常规进行",
        "CACS扫描范围：上界气管隆嵴下1~2 cm，下界心脏膈面，左右达心缘两侧1~2 cm",
        "CACS扫描参数：管电压120 kVp，层厚≤2.5 mm，层间距2.5 mm，FOV 25cm×25cm，矩阵512×512",
        "冠状动脉支架植入术和搭桥术后患者不推荐行冠状动脉钙化扫描",
        "定性测量用CAC描述，定量描述用CACS"
      ],
      "url": "https://m.baidu.com/bh/m/detail/ar_9108203068513760250"
    },
    {
      "id": "CN-CSR-025",
      "cn": "急性缺血性卒中早期血管内介入诊疗影像评估专家共识（2025）",
      "en": "Chinese expert consensus on imaging evaluation for early endovascular treatment of acute ischemic stroke (2025)",
      "org": "中国研究型医院学会介入神经病学专业委员会",
      "year": "2025",
      "source": "专家共识（2025），自2017版更新",
      "region": "中国",
      "cat": "神经",
      "tech": ["一站式CT", "NCCT", "CTA", "CTP", "ASPECTS", "灌注"],
      "summary": "为AIS血管内治疗的影像评估提供参考，涉及脑血管闭塞、脑组织学评估（核心梗死与缺血半暗带）、侧支循环代偿。",
      "points": [
        "推荐'一站式'平扫CT（NCCT）+ CTA + CTP 影像检查方案，快速完成术前影像评估",
        "CTP用于核心梗死与缺血半暗带评估，是超时间窗筛选的关键",
        "发病24 h内ASPECTS 3~5分或梗死核心50~100 mL可考虑血管内治疗",
        "NCCT动脉高密度征（CT值77~89 HU）提示大血管闭塞，为早期征象",
        "一站式方案对CT设备的时间分辨率、覆盖范围与灌注后处理能力提出综合要求",
        "CTA/MRA识别的中等血管闭塞（MeVO）联合CTP可提高诊断准确性"
      ],
      "url": "https://www.brainmed.com/info/detail?id=54012"
    },
    {
      "id": "CN-CSR-026",
      "cn": "四肢冲击伤影像学评估中国专家共识",
      "en": "Chinese expert consensus on imaging evaluation of extremity blast injuries",
      "org": "中华医学会相关分会",
      "year": "2025",
      "source": "中国专家共识",
      "region": "中国",
      "cat": "骨肌/创伤",
      "tech": ["急诊CT", "CTA", "三维重建", "金属异物"],
      "summary": "针对爆炸冲击波导致的四肢损伤，给出影像学检查选择与分级评估标准。",
      "points": [
        "肌肉组织损伤首推CT检查，进一步行MRI",
        "怀疑骨损伤推荐早期及时行X线和CT检查",
        "怀疑血管损伤推荐早期行CTA和MRA",
        "CT可精准定位细小关节腔内骨/异物碎片，联合CTA及各种后处理技术全面评估骨折移位、粉碎性骨折碎片、关节脱位及血管损伤",
        "怀疑金属异物者建议先通过CT排除金属异物再慎重选择MRI",
        "急诊一站式CT检查可评估附加意外伤"
      ],
      "url": "https://guide.medlive.cn/guideline/34197?chunk=6"
    },
    {
      "id": "CN-CSR-027",
      "cn": "影像指导下的卵巢癌可切除性评价的中国专家共识（2025年版）",
      "en": "Chinese expert consensus on imaging-guided resectability assessment of ovarian cancer (2025)",
      "org": "中国抗癌协会整合妇科肿瘤委员会",
      "year": "2025",
      "source": "中国专家共识（2025年版）",
      "region": "中国",
      "cat": "妇科/肿瘤",
      "tech": ["CT", "可切除性评估", "肿瘤分期"],
      "summary": "规范影像学（含CT）在卵巢癌可切除性评价中的应用。",
      "points": [
        "明确CT在卵巢癌腹膜播散评估中的作用",
        "给出可切除性判断的影像学指标"
      ],
      "url": "https://guide.medlive.cn/"
    }
  ]
}