Obesity induces significant alterations in the body's hematological profile, notably increasing proinflammatory and prothrombotic mediators. This state contributes to a heightened risk of blood clots and thromboembolic events, particularly in the perioperative period.
- Increased Proinflammatory and Prothrombotic Mediators: The excess adipose tissue in obese individuals produces more substances that promote inflammation and clot formation. This not only contributes to a state of chronic low-grade inflammation but also predisposes to thrombosis.
- Increased Hypercoagulability: The elevated levels of prothrombotic mediators in the blood make it more prone to clotting, raising the risk of thromboembolic events. This hypercoagulable state is particularly concerning during surgical procedures and periods of immobility.
Consequences
- Deep Venous Thrombosis (DVT): The risk of developing DVT, a condition where blood clots form in deep veins (usually in the legs), is significantly increased in obese individuals. DVT is a serious condition because it can lead to complications like pulmonary embolism.
- Sudden Death from Acute Postoperative Pulmonary Embolism: One of the most severe outcomes of increased hypercoagulability in obesity is the risk of pulmonary embolism, especially after surgery. A pulmonary embolism occurs when a blood clot breaks loose and travels through the bloodstream to the lungs, potentially causing sudden death.
