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関連する概念動画

Disorders of Hemostasis01:24

Disorders of Hemostasis

1.2K
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
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Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

40
Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
40
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

889
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
889
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

22
Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
22
Extrinsic and Intrinsic Pathways of Hemostasis01:20

Extrinsic and Intrinsic Pathways of Hemostasis

9.2K
Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
9.2K
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

34
The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
34

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In Vitro Microfluidic Disease Model to Study Whole Blood-Endothelial Interactions and Blood Clot Dynamics in Real-Time
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[血管内結血が広がり,血管の異常を伴う]

Shinya Yamada1, Hidesaku Asakura1

  • 1Department of Hematology, Kanazawa University Hospital.

[Rinsho ketsueki] The Japanese journal of clinical hematology
|September 3, 2025
PubMed
まとめ

血管異常に関連した拡散性血管内凝固 (DIC) は,凝固と線維分解マーカーを用いた特定の診断を必要とします. 治療は病因,抗凝固剤,または併用療法に焦点を当て,患者の状態と継続的な検査をガイドします.

科学分野:

  • 血液学
  • 血管医学
  • クリティカル ケア 医療

背景:

  • 分布性血管内凝固 (DIC) は,主動脈動脈瘤,解剖,血管炎,および不形成を含む血管異常を頻繁に複雑にする.
  • 血管の異常に関連したDICはしばしば繊維分解が強化され,専門的な診断と治療方法が必要です.

研究 の 目的:

  • 血管異常の文脈でDICの診断結果と治療戦略を概説する.
  • "日本における拡散性血管内凝固 (DIC) の管理に関する臨床実務ガイドライン"に基づくガイドラインを提供すること.

主な方法:

  • 凝固活性化 (例えば,トロンビン-抗トロンビン複合体) と繊維分解活性化 (例えば,プラズミン-α2プラズミン阻害複合体) の診断マーカーのレビュー.
  • 基礎疾患の治療,抗凝固剤療法,抗凝固剤と抗フィブリノリチックの併用療法,およびファクターXIII濃縮剤の使用を含む治療選択肢の分析.

主要な成果:

  • 診断基準は,特定の凝固と繊維分解活性化マーカーを強調する.
  • 治療戦略は出血症状,検査結果,基礎疾患,患者の状態に基づいて調整され,観察から積極的な併用療法までの選択肢があります.

結論:

  • 血管異常によるDICの効果的な管理は,アクティベーションマーカーと個別化された治療計画を使用して正確な診断に依存します.
キーワード:
分散型血管内凝固強化繊維分析型DIC血管の異常

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  • 継続的なモニタリング,専門家の協力,そして堅実な検査システムは,患者の治療結果を最適化するために不可欠です.