Thromboembolic Disease

in Overview of Vascular Disease

Applied

Type

Reinforcement

Confidence

90%

Created

Mar 27, 2026

Evidence

1 source

Rationale

The provided article (PMID: 38864688) is a scoping review that elaborates on the 'hypoxic niche' theory of DVT pathogenesis. While the existing text already touched upon this concept, the integration of this specific citation allows for a more detailed explanation of how hypoxia in the valve sinus triggers endothelial activation and procoagulant expression, which is a critical update to the classical understanding of Virchow's triad (specifically the 'stasis' and 'injury' components).

Content Changes

Virchow's triad — endothelial injury, venous stasis, and hypercoagulability — remains the conceptual framework for understanding the pathogenesis of deep vein thrombosis (DVT) [@rutherford2018-rutherford]. Recent evidence from a scoping review suggests that venous stasis may trigger thrombus formation through venous valve hypoxia, particularly within the valve pockets (sinuses) where oxygen tension is lowest,lowest leading[@shaydakov2024-b]. toThis hypoxic microenvironment promotes endothelial activation and athe prothromboticexpression microenvironmentof [@shaydakov2024-b].procoagulant factors, potentially initiating thrombosis even in the absence of direct mechanical vessel wall injury [@shaydakov2024-d].

* **Acquired risks:** trauma, surgery, malignancy, immobility, oral contraceptives, pregnancy.
* **Inherited thrombophilia:** Factor V Leiden, prothrombin gene mutation, protein C/S deficiency.

> **See Also:** [[venous thromboembolism (VTE)|Ch. 12: Venous Thromboembolism]] for comprehensive VTE prevention, diagnosis, and treatment.