Background: For lymphedema patients who received a vascularized lymph node flap transfer (VLNT) as their primary treatment, what are the treatment options when they seek further improvement? With recent publications supporting the use of lymphaticovenous anastomosis (LVA) for treating severe lymphedema, we examined whether LVA could benefit post-VLNT patients seeking further improvement.

Methods: This retrospective cohort study enrolled eight lymphedema patients with nine lymphedematous limbs (one patient suffered from bilateral lower limb lymphedema) who had received VLNT as their primary surgery. Patients with previous LVA, liposuction, excisional therapy, or incomplete data were excluded. LVA was performed on nine lower lymphedematous limbs. Demographic data and intraoperative findings were recorded. Preoperative and postoperative limb volumes were measured with magnetic resonance volumetry. The primary outcome was the limb volume measured 6 months post-LVA.

Results: The median duration of lymphedema before LVA was 10.5 (4.9-15.3) years. The median waiting time between VLNT and LVA was 41.4 (22.3-97.9) months. The median volume gained in the lymphedematous limb was 3836 (2505-4584) milliliters (mL). The median post-LVA follow-up period was 18 (6-30) months. Significant 6-month and 1-year post-LVA percentage volume reductions were found compared to pre-LVA volume (both < 0.001).

Conclusion: Based on the results from this study, the authors recommend the use of LVA as a secondary procedure for post-VLNT patients seeking further improvement.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8305302PMC
http://dx.doi.org/10.3390/jcm10143121DOI Listing

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