Indocyanine green-guided liposuction for patients presenting with residual nonpitting edema after lymphovenous anastomosis

Lymphovenous anastomoses (LVA) techniques for the treatment of lymphedema are well defined, and results restoring lymph function are reported in the literature. However, unsatisfactory results (poor-responders) are common, leading to persistent nonpitting edema. Blind liposuction eliminates fat and...

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Veröffentlicht in:Journal of plastic, reconstructive & aesthetic surgery reconstructive & aesthetic surgery, 2022-08, Vol.75 (8), p.2482-2492
Hauptverfasser: Lasso, J.M., Alonso-Farto, J.C.
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container_title Journal of plastic, reconstructive & aesthetic surgery
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creator Lasso, J.M.
Alonso-Farto, J.C.
description Lymphovenous anastomoses (LVA) techniques for the treatment of lymphedema are well defined, and results restoring lymph function are reported in the literature. However, unsatisfactory results (poor-responders) are common, leading to persistent nonpitting edema. Blind liposuction eliminates fat and fibrous tissue but may result in inadvertent damage to the lymph vessel system. Indocyanine green imaging of the lymphatic system provides the potential preservation of functioning lymphatics while conducting liposuction to address the excess adipose and fibrous tissue in these patients. Our study reports the results of a prospectively conducted technique in patients with nonpitting edema after failing previous LVA. It consists of indocyanine green-guided liposuction. Twenty poor-responders patients to LVA who presented with persistent nonpitting edema were operated with liposuction. Limb volume measurements, SPECT-CT/lymphoscintigraphy, and ICG lymphography were recorded and complemented with a satisfaction inquiry. The overall percentage of volume reduction was 46.2% after liposuction (p = 0.001). None of our patients reported any set back with respect to the improvements they had achieved after LVA nor new infections. Satisfaction showed a mean improvement of 5 points in a 20-point scale. SPECT-CT/lymphoscintigraphy showed further improvements in 17 cases after liposuction, such as dermal back-flow reduction, spots along the lymphatic system, or lymph nodes not described in preoperative reports, without showing significant differences when compared with overall volume reduction (p = 0.12). Controlled liposuction with ICG seems to be an effective technique for the reduction of residual non-pitting edema in poor responder patients after LVA. Overall, volume excess reduction after liposuction was 42.6%.
doi_str_mv 10.1016/j.bjps.2022.02.081
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subjects ICG-supported liposuction
Lipectomy
LVA
Lymphedema
Lympho-SPECT/CT
Lymphovenous anastomosis
Microsurgery
title Indocyanine green-guided liposuction for patients presenting with residual nonpitting edema after lymphovenous anastomosis
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