Why is it necessary to place an inferior vena cava filter in the treatment of lower extremity deep vein thrombosis?
Because during the process of anticoagulation and thrombolysis, the thrombus in the lower extremity may break off and flow from the inferior vena cava into the right heart, eventually rushing into and blocking the pulmonary artery, which can be life-threatening in severe cases.
How is thrombolysis performed?
Through endovascular means, we place a thrombolytic catheter in the deep vein of the lower extremity where the thrombus has formed, and inject the thrombolytic drug through the lateral hole of the thrombolytic tube to achieve the goal of dissolving the thrombus. As shown in the figure.
Common precautions after thrombolysis
Post-thrombolysis position and activities
1.After thrombolysis, bed rest should be the main focus, and the affected limbs should be elevated appropriately, and the sitting position can be maintained during meals.
2. If you need to urinate or defecate, you can get out of bed carefully, but before getting out of bed, please inform the nurse to turn off the infusion pump connected to the thrombolytic tube in the leg to avoid bleeding.
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3. During thrombolysis treatment, you can turn over properly and pay attention to avoid bending the thrombolytic tube in the leg, especially to avoid dislodging the thrombolytic tube from the limb connection.
What should be noted in the diet during thrombolysis treatment?
1.Eat a light diet, choose foods that are easy to digest, rich in vitamins, fiber and low fat.
2. Long-term bed rest can easily lead to constipation, so if you do not have diabetes, you can take honey, banana and other foods to promote bowel movement.
What do family members need to assist the doctor to observe?
1. Observe whether the patient has gum bleeding, nose bleeding, hematuria, bloody stool or black stool, skin bruising, petechiae, headache and vomiting, abnormal body movement, etc. If so, inform the doctor immediately.
2.If the patient has chest tightness, chest pain, cough, difficulty in breathing, and discomfort of blue lips inform the doctor immediately.
3.Particularly observe whether there is blood leakage from the puncture points of the neck and affected limbs, and inform the doctor immediately if there is.
Frequently asked questions after the treatment
1.Because of the destruction of the valve inside the vein by the thrombus, the blood in the deep vein of the lower extremity is easy to flow backward, which leads to mild swelling and discomfort of the affected limb for a period of time after the operation, so it is necessary to wear medical elastic stockings for a long time as required. Can take appropriate oral medication to reduce venous edema, such as mai zhi ling and love vein Lang.
2. In order to prevent the recurrence of venous thrombosis in the lower extremities, patients should take warfarin for at least six months, preferably for one year (see Warfarin use section for details). If you cannot take warfarin for any reason, take rivaroxaban for at least six months.