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作 者:倪菊平[1] 李响[1] 孙英杰[1] 瞿洪平[2]
机构地区:[1]复旦大学附属闵行医院ICU,上海201199 [2]上海交通大学医学院附属瑞金医院重症医学科
出 处:《中国综合临床》2015年第2期107-110,共4页Clinical Medicine of China
基 金:上海市卫生局科研课题计划项目(20124063);上海市闵行区自然科学研究课题(2013MHZ031)
摘 要:目的探讨血清前肾上腺髓质素(pro-ADM)在导管相关性血流感染(CRBSI)中的诊断价值。方法将76例入住ICU留置中心静脉导管的患者分成感染组25例和非感染组51例,两组患者在疑诊CRBSI时采用双抗体夹心法测定血清pro-ADM浓度,同时检测降钙素原(PCT)、C反应蛋白(caP)、白细胞(WBC)浓度。结果在疑诊CRBSI当13感染组患者的pro.ADM[(5.17±1.28)nmol/L]、PCT[2.29(1.47,4.28)μg/L]、CRP[(102.04±51.00)mg/L]、WBC[(14.66±5.09)×10’/L]高于非感染组[(2.83±1.25)nmol/L]、[1.10(0.75,1.60)μg/L]、[(61.43±53.52)mg/L]、[(11.78±3.52)×10^9/L],两组比较差异有统计学意义(t值或z值分别为7.636、-4.777、3.156、2.882,P均〈0.05)。绘制受试者工作曲线计算pro·ADM、PCT、CRP、WBC诊断CRBSI的曲线下面积分别是0.89(95%C10.82~0.97)、0.84(95%C10.75~0.93)、0.76(95%C10.65—0.86)、0.68(0.54—0.81)。以4.31nmol/L为截断值,pro—ADM对CRBSI的诊断敏感度为76.0%,特异度为84.3%,阳性预测值为70.4%,阴性预测值为87.8%。若同时联合降钙素原≥1.52¨∥L诊断CRBSI的敏感度和特异度分别为81.8%和87.0%。结论血清pn.ADM水平对CRBSI的诊断具有良好的特异度,同时联合血清PCT的监测可能有助于CRBSI的早期诊断。Objective To investigate the diagnostivalue of serum proadrenomedullin (pro-ADM) in catheterelated blood stream infection (CRBSI). MethodProspective diagnostiteswaperformed with 76 casepatientwith clinically suspected diagnosiof CRBSI ,and the patientwere divided into CRBSI group( n = 25) and non-CRBSI group. Serum pro-ADM, procalcitonin (PCT), C-reactive protein(CRP) and white blood cell(WBC) levelwere measured athe study entry and on the day of CRBSI suspicion. ResultOn the day of CRBSI suspicion, the levelof pro-ADM, PCT, CRP and Wbin the CRBSI group were (5.17 ± 1.28 )nmol/L, 2. 29 ( 1.47 ±4. 28 ) μg/L, ( 102. 04 ± 51.00 ) μg/L and ( 14. 66 ± 5.09 ) x 109/L respectively, significantly highethan those in the non-CRBSI group ( ( 2. 83 ±1.25 ) nmol/L,2. 29 ( 1.4 - 4. 28 )μg/L, ( 61.43 ±53.52 ) mg/L and ( 11.78±3.52) x 10^9/L respectively; oZ = 7. 636, - 4. 777,3. 156,2. 882 ; P 〈 0.05 ). Fothe diagnosiof CRBSI,the areundethe curve(AUC) of pro-ADM ,PCT,CRP and Wbwere 0. 89(95% CI O. 82 - 0. 97 ) ,0. 84 (95 % CI O. 75 - 0. 93 ) ,76 (95 % CI 0. 65 - 0. 86) and 0. 68 (0. 54 - 0. 81 ) respectively. Taking pro-ADM with 4. 31 nmol/L athe cutoff value,the sensitivity,specificity,positive predictive value and negative predictive value were 76. 0%, 84. 3%, 70. 4% and 87. 8% respectively. Simultaneously, taking procalcitonin with 1.52 μg/L athe cuioff value, the sensitivity and specificity wa81.8% and 87.0% respectively. Conclusion Serum level of pro-ADM in the diagnosiof CRBSI hagood specificity. Simultaneousurveillance of serum pro-ADM and Pcmay be helpful fothe diagnosiof CRBSI in the early stage.
关 键 词:前肾上腺髓质素 降钙素原 导管相关性血流感染 诊断
分 类 号:R544.1[医药卫生—心血管疾病]
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