炎症指標と急性深部静脈血栓症および血栓量との関連
Yifei Bai1, Da Li2, Xin Huang2
1Department of Interventional and Vascular Surgery, The Third Affiliated Hospital of Nanjing Medical University (Changzhou Second People's Hospital), Changzhou 213003, China.
Heart & lung : the journal of critical care
|February 11, 2026
まとめ
リンパ球/単球比(LMR)などの血球計算由来の炎症指標は、深部静脈血栓症(DVT)の診断と血栓サイズの評価に役立つ可能性がある。これらのマーカーの高い特異性は、DVT患者のリスク層別化に役立つ。
科学分野:
- 血液学
- 血管医学
- 診断バイオマーカー
背景:
- 炎症は静脈血栓症の発症に重要な役割を果たしている。
- 全血球計算(CBC)由来の炎症指標は、潜在的なバイオマーカーとして登場している。
- 急性深部静脈血栓症(DVT)の診断および血栓量の評価における有用性を確立するには、さらなる研究が必要である。
研究 の 目的:
- 急性DVTに対するCBC由来の炎症指標の診断および予後価値を評価する。
- 好中球/リンパ球比(NLR)、血小板/リンパ球比(PLR)、全身性免疫炎症指数(SII)、リンパ球/単球比(LMR)、および全身性炎症反応指数(SIRI)を評価する。
主な方法:
- 静脈ドップラー超音波検査を受けた360人の患者の後ろ向き分析。
- 患者は非DVT、遠位DVT(IDDVT)、および近位DVT(PDVT)のグループに分類された。
- 受信者操作特性(ROC)曲線分析および統計的検定を用いて、予測能力とグループ間の差を評価した。
主要な成果:
- 急性DVT患者は、対照群と比較してNLR、PLR、SII、SIRIが有意に高く、LMRが低かった。
- LMRは急性DVTに対する最も高い予測効果(AUC:0.737)を示し、特異度は85.5%であった。
- NLRとLMRは、遠位DVT(IDDVT)と近位DVT(PDVT)の鑑別に有意であった。
結論:
- NLRおよびLMRは、急性DVTの診断および血栓量の評価に有用なバイオマーカーである。
- それらの高い特異度は、リスク層別化における使用を支持する。
- しかし、それらの低い感度は、最適な患者管理のために包括的な臨床評価との統合を必要とする。
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