May-Thurner Syndrome Clinical Trial
Official title:
An Efficacy and Safety Study of Rivaroxaban for the Prevention of Deep Vein Thrombosis in Patients With Left Iliac Vein Compression Treated With Stent Implantation (PLICTS)：A Prospective Randomized Controlled Trial
The purpose of this study is to evaluate the efficacy and safety of rivaroxaban for the prevention of deep vein thrombosis in patients with left iliac vein compression treated with stent implantation.
Left Iliac Vein Compression Syndrome (LIVCS) is a disease of iliac vein stenosis/occlusion caused by chronic friction and compression of the left iliac vein by the right common iliac artery and lumbar vertebra. It is also called Cockett syndrome or May-Thurner syndrome. Recently, left iliac vein balloon dilatation with stent implantation have been used to treat patients with LIVCS, and have achieved good results. However, no matter the iliac vein stenosis or occlusion, interventional therapy can directly cause local trauma and intimal injury, which is a clear inducement of local thrombosis. Therefore, high intensity anticoagulation therapy is still needed to prevent secondary thrombosis in stent after left iliac vein balloon dilatation with stent implantation. At present, the postoperative anticoagulation regimen of these patients is early heparin anticoagulant therapy, and later warfarin anticoagulant therapy. However, due to the narrow therapeutic window of the drug, patients need to adjust the dosage according to coagulation function under the guidance of doctors. Rivaroxaban can simplify treatment, and is safe. Previous studies have shown that rivaroxaban is effective in preventing deep venous thrombosis after orthopaedic surgery. Rivaroxaban has also been shown to be safe and effective in anticoagulation therapy for patients with deep venous thrombosis and pulmonary embolism. However, Rivaroxaban lacks sufficient clinical data for adjuvant anticoagulation therapy after balloon dilatation with stent implantation. Therefore, this study should be carried out to provide the basis for LIVCS treatment guidelines and explore the clinical indications of rivaroxaban. ;
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