Abstract
ObjectiveThe objective of this study was to evaluate the efficacy and safety of lymphaticovenular anastomosis (LVA) in patients with lymphedema. MethodsA retrospective analysis was conducted of 70 patients suffering from primary or secondary lymphedema who underwent LVA surgery with indocyanine green fluorescence lymphangiography. Postoperative evaluation included qualitative and quantitative volumetric assessment and analysis. Limb volume was measured by circumferential tape measurement volumetric method, in which the limb is subdivided into five segments and each segment's circumference is measured. ResultsLVA was performed in 70 patients, 22 with primary lymphedema and 48 with secondary lymphedema. The difference in preoperative upper limb volume was 35% with mean postoperative follow-up of 9 months. The mean number of lymphovenous bypasses was 3.9. The reduction in limb volume at 3, 6, and 12 months was 40.4%, 41%, and 45%, respectively. Patients with early-stage lymphedema had significantly higher volume reductions than patients with late-stage lymphedema at 3, 6, and 12 months (48% vs 18%, 49% vs 22%, and 65% vs 31%; P < .001). For lower extremity lymphedema, the preoperative volume differential was 25.5%. The mean postoperative follow-up was 9 months. The reduction in limb volume at 3, 6, and 12 months was 28%, 37%, and 39%, respectively. ConclusionsLVA surgery is a safe and effective method of reducing lymphedema severity, especially in upper extremity lymphedema at an earlier disease stage.
Published Version
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