烧伤创面厌氧菌培养
烧伤创面厌氧菌培养鉴定是一项用于检测和识别烧伤伤口中厌氧菌感染的实验室检查。
{该测试用于检测烧伤伤口中的厌氧菌感染,厌氧菌在无氧环境中生长，需要特殊培养条件,检测结果有助于医生选择合适的抗生素治疗,培养结果通常需要3-7天出报告,及时发现厌氧菌感染对治疗至关重要}
关键信息一览
- LOINC
- 87936-1
- 简码
- BNACRC
- 别名
- Bacteria Burn Anaerobe Cult
- 类别
- 生化
- 样本
- serum
- 采血管
- Sterile, leak-proof container with anaerobic transport medium (e.g., Anaerobic Transport Medium, Port-A-Cul vial) or sterile screw-capped tube. Specimens may also be submitted in anaerobic blood culture bottles for fluid samples. Tissue samples should be placed in sterile containers with a small amount of sterile non-bacteriostatic saline to prevent drying.
- 单位
- N/A
- 是否空腹
- 否
- 适用人群
- 成人
- 性别
- all
- 年龄范围
- ≥ 0 岁
- 检测方法
- anaerobic-culture
- CPT
- 87075 (Culture, bacterial; any source, anaerobic with isolation and presumptive identification of isolates); 87076 (Anaerobic identification); 87077 (Aerobic identification); 87176 (Tissue homogenization); additional CPT codes may apply for susceptibility testing (87181-87188), organism identification by alternative methods (87149, 87150), and additional organism identifications
- SNOMED
- 119376003 |Bacteriological culture (procedure)|; 442150001 |Anaerobic culture (procedure)|; 258520002 |Burn of skin (disorder)|; 386532009 |Identification of organism (procedure)|; 35995006 |Anaerobic bacteria (organism)|
- 标本量
- Tissue biopsy: minimum 0.5-1 g of viable tissue (preferably from the base or advancing edge of the wound); Aspirated pus/fluid: 1-5 mL; Swab samples: use anaerobic transport swab system (less preferred than tissue or aspirate for anaerobic recovery); Eschar: 1-3 g of debrided tissue when clinically indicated
- 标本稳定性
- Room temperature: maintain at ambient temperature (20-25°C) and transport to laboratory within 2 hours of collection for optimal anaerobic organism recovery. Do NOT refrigerate anaerobic specimens as cold temperature is lethal to many anaerobes. Specimens in anaerobic transport medium are stable for up to 24-48 hours at room temperature. If processing will be delayed beyond 2 hours, place specimen in appropriate anaerobic transport medium immediately upon collection.
- 溶血上限
- 500
- 脂血上限
- 1000
- 黄疸上限
- 500
- 报告时间
- 48–336 小时
- 医嘱频率
- routine
这是什么测试？
烧伤创面厌氧菌培养鉴定是一种专门针对烧伤患者伤口的微生物检查。厌氧菌是一类在无氧环境下才能生长的细菌，常见于深层组织感染、烧伤创面等缺氧环境中。这项检查通过采集烧伤部位的样本，在无氧条件下进行培养，以鉴定是否存在厌氧菌感染。
为什么需要做这个检查？
烧伤创面容易发生感染，尤其是厌氧菌感染。厌氧菌感染可能引起伤口恶化、蜂窝组织炎甚至败血症。通过这项检查，医生可以明确是否存在厌氧菌感染，了解具体菌种，从而制定针对性的治疗方案，选择最有效的抗生素。
检查过程是怎样的？
医生或护士会从烧伤创面采集少量分泌物、组织样本或渗出液。采样时会使用无菌棉签或特殊采集工具，尽量避免接触空气以保持样本的原始状态。样本会被立即送往实验室，在无氧环境中进行培养和鉴定。整个过程可能需要3-7天甚至更长时间，因为厌氧菌生长较慢。
Reference range
No anaerobic bacteria isolated. Report identifies anaerobic organisms present (e.g., Bacteroides fragilis group, Clostridium perfringens, Peptostreptococcus spp., Prevotella spp., Fusobacterium spp., Propionibacterium spp., Finegoldia magna, Anaerococcus spp.) with quantitation (rare, few, moderate, many) when applicableN/A
No special patient preparation required. For specimen collection, ensure proper aseptic technique. Discontinue topical antimicrobial agents at the burn site for 24-48 hours prior to collection when possible (consult physician). Avoid contamination from surrounding skin flora. If patient is on systemic antibiotics, document the specific agents and timing of last dose as this information aids in culture interpretation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
烧伤创面厌氧菌培养鉴定的主要临床意义在于：1）明确烧伤伤口是否存在厌氧菌感染；2）鉴定具体菌种，为抗生素选择提供依据；3）监测感染情况，评估治疗效果；4）预防严重并发症如坏死性软组织感染、败血症等。厌氧菌感染往往症状严重，早期诊断和治疗对改善患者预后至关重要。
常见问题
这个检查需要空腹吗？
检查结果需要等多久？
如果培养结果是阳性怎么办？
所有烧伤患者都需要做这个检查吗？
采样会很疼吗？
参考资料
- 1
- 2
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本信息仅供教育用途，不能替代专业医疗建议、诊断或治疗。
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