Management Options for Various Vein Conditions
Endovenous thermal ablation is the first-line treatment for symptomatic varicose veins with documented valvular reflux, having largely replaced surgery due to better outcomes and fewer complications. 1
Diagnostic Approach
- Venous duplex ultrasonography is the initial diagnostic test for varicose veins when interventional therapy is being considered, assessing anatomy, incompetent saphenous junctions, reflux, and presence of thrombosis 2
- Reflux is defined as retrograde flow duration of >350 milliseconds in perforating veins, >500 milliseconds in superficial and deep calf veins, and >1,000 milliseconds in femoropopliteal veins 3
- The CEAP (clinical, etiologic, anatomic, pathophysiologic) classification system is commonly used to describe chronic venous disease severity 1
Treatment Algorithm
Conservative Management
- Compression therapy with a minimum pressure of 20-30 mm Hg for most patients and 30-40 mm Hg for more severe disease is recommended as initial treatment 2
- Recent evidence suggests compression stockings may not be effective in preventing post-thrombotic syndrome, though they remain useful for symptom management 1
- Lifestyle modifications including leg elevation, avoiding prolonged standing/straining, exercise, weight loss, and wearing non-restrictive clothing can help reduce venous stasis 1, 2
- Horse chestnut seed extract may provide symptomatic relief, though long-term studies are lacking 2
Interventional Treatments
First-Line: Endovenous Thermal Ablation
- Endovenous thermal ablation (radiofrequency or laser) is recommended as first-line treatment for symptomatic varicose veins with documented valvular reflux 1, 3
- Benefits include ability to be performed under local anesthesia, immediate ambulation, quick return to normal activities, and a success rate of 90% at 1 year 3
- For radiofrequency ablation to be medically indicated, the great saphenous vein diameter should be at least 4.5mm 3
Second-Line: Endovenous Sclerotherapy
- Endovenous sclerotherapy is recommended for small to medium-sized varicose veins, as adjunctive therapy after thermal ablation, and for recurrent varicose veins 1, 3
- Common sclerosing agents include hypertonic saline, sodium tetradecyl, and polidocanol (Varithena) 2
- Occlusion rates range from 72% to 89% at 1 year 1, 4
Third-Line: Surgical Options
- Surgical options including ligation and stripping or phlebectomy are typically limited to removal of superficial axial veins 2
- Updated surgical techniques use small incisions to reduce scarring, blood loss, and complications 2
- Surgery was once the standard of care but has largely been replaced by endovenous thermal ablation 1
Special Considerations
Deep Vein Thrombosis (DVT)
- Anticoagulation is the standard of care for iliofemoral venous thrombosis in patients without contraindications 1, 5
- For patients with a first episode of DVT secondary to a transient risk factor, treatment with warfarin for 3 months is recommended 5
- For patients with idiopathic DVT, warfarin is recommended for at least 6-12 months 5
- Catheter-directed thrombolysis may be considered for severe symptoms unresponsive to anticoagulation 1
Superficial Vein Thrombosis (SVT)
- SVT is no longer considered benign as a significant proportion of patients will have concomitant DVT or are at risk of developing DVT 6
- Treatment of choice is therapeutic/intermediate dose low molecular weight heparin or prophylactic dose fondaparinux administered for 4-6 weeks 6
Nonthrombotic Iliac Vein Lesions (NIVL)
- Routine use of anticoagulation or antiplatelet therapy for untreated NIVL is not supported 1
- In treated patients with NIVL with no evidence of previous venous thromboembolism, there is no consensus that anticoagulation or antiplatelet therapy is necessary 1
- Routine early and long-term clinical surveillance, including imaging of patients with NIVL following stent placement, should be performed 1
Post-Thrombotic Syndrome
- Compression therapy with stockings is recommended for acute symptomatic DVT of the leg 1, 7
- Low-quality evidence suggests elastic compression stockings may reduce the occurrence of PTS after DVT 7
- A trial of an intermittent compression device is suggested for severe cases not adequately relieved by compression stockings 2
Important Considerations and Caveats
- The American College of Radiology recommends a documented trial of conservative management for at least 3 months before proceeding to interventional treatments 3
- Evidence of recurrent superficial thrombophlebitis or severe and persistent pain and swelling that interferes with activities of daily living may qualify for immediate intervention 3
- The treatment sequence is important for long-term success, with studies showing that chemical sclerotherapy alone has worse outcomes compared to thermal ablation or surgery 4, 3
- Compliance with wearing compression stockings is generally high but varies across studies, with side effects including itching, erythema, and allergic reactions being uncommon 7, 8