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急性スタンフォード型大動脈解離後の早期不良な術後予後予測におけるインターロイキン-6とDダイマーの併用の有効性
Efficacy of interleukin-6 in combination with D-dimer in predicting early poor postoperative prognosis after acute stanford type a aortic dissection.
PMID: 32677975 DOI: 10.1186/s13019-020-01206-y.
抄録
背景:
急性スタンフォード型A型大動脈解離(ATAAD)患者の早期不良術後予後を調査し,ATAAD後の早期不良術後予後におけるインターロイキン-6(IL-6)とDダイマーの併用の予後効果を検討した。
BACKGROUND: We studied early poor postoperative prognosis in acute Stanford type A aortic dissection (ATAAD) patients and investigated the predictive effect of interleukin-6 (IL-6) combined with D-dimer in the early poor postoperative prognosis after ATAAD.
方法:
当院で2018年1月~2018年12月に緊急手術を受けたATAAD患者141例のデータを調査した。2つの患者群を用いて術後早期予後を分析した。予後良好な患者をA群、予後不良な患者をB群とし、術後早期予後不良については一変量ロジスティック分析と多変量ロジスティック回帰分析を行った。
METHODS: Data on 141 ATAAD patients, who underwent emergency surgery between January 2018 and December 2018 at our hospital, were studied. We analyzed early postoperative prognosis using two patient groups. Patients with good prognosis were included in group A and those with poor prognosis were in group B. Univariate logistic and multivariable logistic regression analysis were performed for poor early postoperative prognosis.
結果:
術前のIL-6濃度はA群の方が低く(57.8±39.0 vs. 211.0±153.7pg/mL、p<0.001)、D-ダイマーも低く(7.3±6.1 vs. 16.7±5.8μg/mL、p<0.001)なっており、術前のIL-6>108pg/mL(曲線下面積:AUC=0.901)、D-ダイマーもA群の方が低かった。ROC曲線から決定されたカットオフポイントは、術前IL-6>108pg/mL(曲線下面積:AUC=0.901)とD-ダイマー>14.0μg/mL(AUC=0.817)であった。一変量ロジスティック回帰分析では、ATAADのIL-6>108pg/mL、D-ダイマー>14.0μg/mL、プロトロンビン時間>15s、クレアチニン>135mmol/mL、手術時間>306minが予後不良の術後早期危険因子であることが示された。多変量ロジスティック回帰分析では、IL-6>108pg/mLおよびD-ダイマー>14.0μg/mLが予後不良の術後早期危険因子であり、IL-6>108pg/mLおよびD-ダイマー>14.0μg/mLのオッズ比(OR)はそれぞれ24.937(6.837、90.931)および18.757(5.094、69.075)であった。IL-6が108pg/mLを超えた場合(AUC=0.901)、ATAAD後の術後早期予後を予測する感度は79.4、特異度は89.7%であった(95%信頼区間[CI] 0.839~0.963)。Dダイマーが14.0g/mLを超える場合(AUC=0.817)、感度は82.4、特異度は84.1%(95%信頼区間[CI] 0.731~0.903)であった。D-ダイマー(AUC=0.936)(95%CI 0.793~0.979)と併用した場合、個々のマーカーよりもAUC値の方が予測性が高かった。
RESULTS: Preoperative IL-6 level was lower (57.8 ± 39.0 vs 211.0 ± 153.7 pg/mL, p < 0.001) and the D-dimer was also lower (7.3 ± 6.1 vs. 16.7 ± 5.8 μg/mL, p < 0.001) in group A than in B. The cut-off points, determined by the ROC curve, were preoperative IL-6 > 108 pg/mL (area under the curve: AUC = 0.901) and D-dimer > 14.0 μg/mL (AUC = 0.817). Univariate logistic regression analysis showed that IL-6 > 108 pg/mL, D-dimer > 14.0 μg/mL, prothrombin time > 15 s, creatinine > 135 mmol/mL, and operation time > 306 min for ATAAD appeared to be early postoperative risk factors of poor prognosis. Multivariable logistic regression analysis showed that IL-6 > 108 pg/mL and D-dimer > 14.0 μg/mL were early postoperative risk factors for poor prognosis after ATAAD, and the odds ratios (ORs) of IL-6 > 108 pg/mL and D-dimer > 14.0 μg/mL were 24.937 (6.837, 90.931) and 18.757 (5.094, 69.075), respectively. When IL-6 was > 108 pg/mL (AUC = 0.901), the sensitivity and specificity of predicting early postoperative prognosis after ATAAD were 79.4 and 89.7%, respectively (95% confidence interval [CI] 0.839 to 0.963). When D-dimer was > 14.0 g/mL (AUC = 0.817), the sensitivity and specificity were 82.4 and 84.1%, respectively (95% CI 0.731 to 0.903). When combined with D-dimer (AUC = 0.936) (95% CI 0.793 to 0.979), the AUC values were more predictive than those for the individual marker.
結論:
IL-6>108pg/mLとD-ダイマー>14.0μg/mLはATAAD後の術後早期予後不良の評価において高い予測値を示した。また、IL-6>108pg/mLとD-ダイマー>14.0μg/mLの組み合わせは予後予測値が高い。
CONCLUSION: IL-6 > 108 pg/mL and D-dimer > 14.0 μg/mL is of high predictive value for the assessment of early poor postoperative prognosis after ATAAD. And IL-6 > 108 pg/mL in combination with D-dimer > 14.0 μg/mL is of higher predictive value.