Aceplrccnc
胸腔积液ACE检测是一项帮助鉴别胸腔积液原因的实验室检查，主要用于判断积液是否由结核性胸膜炎引起。
{ACE是一种主要由肺部产生的酶，存在于胸腔积液中,结核性胸腔积液的ACE水平通常显著升高,该检测帮助医生区分结核性积液和其他原因引起的积液,检测结果需结合其他检查综合判断,采样过程与胸腔穿刺取液相同}
Key facts at a glance
- LOINC
- 51835-7
- Short code
- ACE PF
- Synonyms
- ACE Plr-cCnc
- Category
- chemistry
- Sample
- fluid
- Container
- Sterile screw-top container, preferably polypropylene
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 18 years
- Method
- Enzymatic spectrophotometric assay using substrate hydrolysis
- CPT
- 82164
- SNOMED
- 394579002
- Specimen volume
- 1-5 mL pleural fluid
- Stability
- Refrigerate at 2-8°C; process within 48 hours; avoid repeated freeze-thaw cycles
- Hemolysis max
- 300
- TAT
- 24–72 hours
- Order
- routine
这是什么测试？
胸腔积液血管紧张素转换酶（ACE）检测是一种化学分析，用于测量胸腔积液中ACE酶的活性。ACE是一种主要由肺部巨噬细胞和血管内皮细胞产生的酶，在体内参与调节血压和液体平衡。当胸膜（覆盖肺部的薄膜）发生炎症或病变时，积液中ACE的水平会发生变化，这种变化有助于医生判断积液的原因。
为什么需要做这个检测？
胸腔积液（胸水）的常见原因包括感染（结核、细菌）、恶性肿瘤、心力衰竭、肝肾功能不全等。不同原因引起的积液，治疗方案完全不同。ACE检测特别有助于鉴别结核性胸膜炎与其他原因引起的胸腔积液，因为结核性积液中的ACE水平通常会明显升高，而由恶性肿瘤或心衰引起的积液，ACE水平通常正常或偏低。
检测如何进行？
该检测不需要额外抽血或采样。医生在为您进行胸腔穿刺抽取胸腔积液时，会留取部分积液样本送检。胸腔穿刺是在局部麻醉下进行的，医生用细针从胸壁刺入胸腔，抽出积液以缓解呼吸困难，同时获取检验样本。整个过程通常需要几分钟到十几分钟。
结果解读
检测结果通常以单位/升（U/L）表示。结核性胸腔积液的ACE水平通常明显升高（多数研究以60-100 U/L为临界值），而恶性肿瘤、心衰等非结核性积液的ACE水平通常较低。需要注意的是，检测结果需要由医生结合您的临床症状、影像学检查和其他实验室检查结果综合判断，单一检测结果不能作为最终诊断依据。
Reference range
No established reference range for pleural fluid ACE; interpretation is contextual based on serum ACE comparison and clinical findings. Elevated pleural fluid ACE may suggest sarcoidosis or other granulomatous diseases.N/A
No special preparation required. Patient should be informed of procedure risks and consent obtained.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
胸腔积液ACE检测需要空腹吗？
检测结果需要多长时间才能出来？
ACE水平升高一定是结核吗？
如果ACE结果正常，是否可以排除结核？
这个检测有风险吗？
Sources
- 1
- 2
- 3
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Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy