Deep Venous Thrombosis Causes

Deep vein thrombosis can develop if you have certain medical conditions that affect how your blood clots. It can also happen if you don’t move for a long time, such as after surgery or an accident, or when you’re confined to bed. Here are some of the causes of Deep Venous Thrombosis

• Patient Factors:
• Age> 40
• Obesity
• Varicose veins or venous thrombophlebitis
• Previous Deep Venous Thrombosis
• Use of oral contraceptives
• Hormone replacement therapy
• Pregnancy: due to hormonal changes and pressure on veins by fetus
• Dehydration: increase blood viscosity
• Immobility: Stasis of blood
• Long distance travel
• Smoking (especially heavy usage)
• Hospitalization
• Positive Family History

• Surgical Conditions: The common surgical causes of deep venous thrombosis includes:
• Abdominal, pelvis, orthopedic surgery to lower limb
• Increased use of central venous line has caused more involvement of upper limbs in deep venous thrombosis.

• Medical Conditions :
• Myocardial Infarction / Heart Attack
• Heart failure / Congestive heart failure
• Inflammatory bowel disease
• Malignancy or its treatment
• Nephrotic syndrome
• Behcets syndrome
• Homocysteinemia
• Major injuries/ paralysis
• Hematological Disorders
• Anti-Coagulants Deficiencies
• Increased Clotting factors