Venous Venography: Prevention Menu

Prevention of Venous Disease

Prevention of venous disease for which venography may be necessary involves reducing the risks and number of predisposing factors. A genetic predisposition cannot be reduced, but factors that add to this risk can:

  • Smoking cessation
  • Change in lifestyle to incorporate physical exercise, minimize sedentary habits, and avoid high-risk behaviors that increase not only the risk of chronic venous disease but all health risks
  • For women, awareness of the hypercoagulable states that the estrogen in oral contraceptives and menopausal hormone replacement can create. In pregnancy, applying medical safeguards (leg elevation, compression stocking, and mobility) throughout the second and third trimesters is prudent due to the increased coagulation inherent in this state. Any shortness of breath in women under any type of hormonal exposure should be reported immediately
  • Weight management to decrease the impact of obesity on both tissue compromise and the risk of metabolic syndrome
  • No engaging in illicit intravenous drug abuse
  • Close surveillance of those undergoing chemotherapy or radiation
  • Addressing any changes in bowel habits or stool abnormalities (bleeding, mucus, etc.) that may indicate thrombosis of the veins draining the intestinal tract
  • In treatment of thrombosis with anticoagulants, it is critical to ensure the treatment is both sufficient (to dissolve the clot) but not excessive (to prevent bleeding or hemorrhage). Simple blood tests can be used serially to assess the amount of anticoagulation. In any planned invasive measures, anticoagulation must be allowed to reverse before proceeding, to prevent bleeding complications of the surgery or intravascular intervention itself

Prevention of Complications of Venography

Any allergies to contrast in the past or food allergies that implicate iodine (shell fish, etc.) should require venography in a setting appropriate to handle an immediate hypersensitivity reaction. Those with a history of hypersensitivity (flushing, itching, urticaria, bronchospasm/wheezing, laryngeal edema, or hypotension), should contrast be necessary, can be pre-medicated with corticosteroids (prednisone orally or IV methylprednisolone) and oral or IV diphenhydramine (Benadryl), followed by a small test dose and observation. This strategy is coupled with a change to a different type of contrast agent (non-iodated gadolinium-based agents).


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This information is provided by Vascular Health Clinics and is not intended to replace the medical advice of your doctor or healthcare provider. Please consult your healthcare provider for advice about a specific medical condition.

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