Haemodynamic Correction of Varicose Veins (CHIVA): An Effective Treatment?

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Abstract
Objective: Evaluation of the feasibility and utility of haemodynamic correction of primary varicose veins (French acronym: CHIVA). Design: Prospective, single patient group study. Setting: Department of Surgery, University of Ferrara, Italy (teaching hospital). Patients: Fifty-five patients with primary varicose veins and a normal deep venous system (ultrasonographic criteria) were studied. Interventions: Fifty-five haemodynamic corrections by the CHIVA method described by Franceschi were undertaken. Seven patients were treated for short saphenous vein varices (group A) while 48 patients were treated for long saphenous vein varices (group B). Main outcome measures: Clinical: presence of varices and reduction in symptoms. Duplex and continuous-wave Doppler detection of re-entry through the perforators and identification of recurrences or new sites of reflux. Postoperative ambulatory venous pressure and refilling time measurements. Patients were studied for 3 years following surgery. Results: In group A, 57% short saphenous vein occlusions with no re-entry through the gastrocnemius and soleal veins were recorded. In group B the long saphenous vein thrombosis rate was 10%. In this group 15% of the patients showed persistence of reflux instead of re-entry at the perforators. Early recurrences were also observed. Overall CHIVA gave excellent results in 78% of the patients. Statistically significant ambulatory venous pressure and refilling time changes were recorded ( p<0.001). Conclusions: CHIVA treatment is inadvisable for short saphenous vein varices. Long saphenous vein postoperative thrombosis is related to development of recurrences

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