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Cardiovasc Intervent Radiol ; 34(3): 536-41, 2011 Jun.
Article in English | MEDLINE | ID: mdl-20556384

ABSTRACT

The design of laser fibers used for endovenous laser ablation (EVLA) in the management of lower-extremity varicose vein disease may affect treatment success. The purpose of this investigation is to report our experience using the gold-tip NeverTouch VenaCure laser fiber (AngioDynamics, Queensbury, NY) and to compare that to our experience with standard bare-tip fibers. A retrospective chart review of 363 consecutive EVLA treatments using the gold-tip laser fiber was performed. Demographic data including patient age, sex, history of previous varicose vein stripping, vein identity, laterality, treatment length, total applied energy in joules (J), use of adjuvant sclerotherapy and ambulatory phlebectomy, treatment-related complications, and treatment failure, which was defined as recanalization of any portion of the treated vein during follow-up as assessed by duplex ultrasound examination-were entered into a spreadsheet. These data were compared with a control group of 471 EVLA treatments performed with a standard bare-tip laser fiber. Data were analyzed using independent-samples Student's t test, chi-square test, and multivariate analysis. Demographic data were similar between the two groups. Treatments with the gold-tip fiber had a failure rate of 11.1%, whereas treatment with a bare-tip fiber had a failure rate of 2.3% during a similar follow-up period. This difference was highly statistically significant (p<0.0001). Multivariate analysis showed fiber type as the most significant factor associated with treatment failure. We conclude that laser fiber design has a significant effect on treatment success in the performance of EVLA.


Subject(s)
Laser Therapy/instrumentation , Leg/blood supply , Saphenous Vein , Varicose Veins/therapy , Adult , Aged , Aged, 80 and over , Chi-Square Distribution , Equipment Design , Female , Humans , Laser Therapy/adverse effects , Logistic Models , Male , Middle Aged , Radiography, Interventional , Retrospective Studies , Sclerotherapy , Treatment Failure , Treatment Outcome
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