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  • Title: Treatment of superficial and perforator venous incompetence without deep venous insufficiency: is routine perforator ligation necessary?
    Author: Mendes RR, Marston WA, Farber MA, Keagy BA.
    Journal: J Vasc Surg; 2003 Nov; 38(5):891-5. PubMed ID: 14603190.
    Abstract:
    PURPOSE: We investigated whether routine ligation of incompetent perforator veins is necessary in treatment of symptomatic chronic venous insufficiency (CVI) due to combined superficial and perforator vein incompetence, without deep venous insufficiency. METHODS: This was a retrospective review of prospectively collected data. Twenty-four limbs with both superficial and perforator venous incompetence but no deep venous insufficiency were identified at venous duplex scanning. Air plethysmography (APG) was performed preoperatively, to obtain venous volume (VV), venous filling index (VFI), ejection fraction (EF), and residual volume fraction (RVF) of the affected limb. Saphenous vein stripping from the groin to knee and powered transilluminated phlebectomy for varicosity ablation were performed in all patients. Postoperatively, all patients underwent duplex scanning and APG to determine the status of the perforator veins and hemodynamic improvement from surgery. RESULTS: Average patient age was 55.8 years; 62% of patients were women. CVI was class 3 in 4 limbs, class 4 in 12 limbs, and class 5 and class 6 in 4 limbs each. Postoperative duplex scans demonstrated that 71% of previously incompetent perforator vessels were now competent or absent. Significant improvement in all APG values was documented after superficial surgery. VFI improved from 6.0 +/- 2.9 preoperatively to 2.2 +/- 1.3 after surgery (P <.001); EF improved from 56.3 +/- 18 to 62 +/- 21 (P =.02); and RVF improved from 40.1 +/- 19 to 28.3 +/- 18 (P =.009). Mean preoperative symptom score (5.3 +/- 1.9) was significantly improved at mean follow-up of 18.3 months (1.4 +/- 1.2; P <.001). CONCLUSION: Patients with superficial and perforator vein incompetence and a normal deep venous system experienced significant improvement in APG-measured hemodynamic parameters and clinical symptom score after superficial ablative surgery alone. This suggests that ligation of the perforator veins can be reserved for patients with persistent incompetent perforator vessels, with abnormal hemodynamic parameters or continued symptoms after superficial ablative surgery.
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