4.7 Article

Efficacy of Immediate Lymphatic Reconstruction to Decrease Incidence of Breast Cancer-related Lymphedema

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ANNALS OF SURGERY
卷 278, 期 4, 页码 630-637

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LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SLA.0000000000005952

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immediate lymphatic reconstruction; lymphedema; breast cancer

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The study aims to examine the efficacy of immediate lymphatic reconstruction (ILR) for reducing the incidence of breast cancer-related lymphedema (BCRL) after axillary lymph node dissection (ALND). Preliminary results show that ILR can decrease the occurrence of BCRL.
Objective:To conduct a randomized controlled trial (RCT) on the efficacy of immediate lymphatic reconstruction (ILR) for decreasing the incidence of breast cancer-related lymphedema (BCRL) after axillary lymph node dissection (ALND).Background:Despite encouraging results in small studies, an appropriately powered RCT on ILR has not been performed.Methods:Women undergoing ALND for breast cancer were randomized in the operating room 1:1 to either ILR, if technically feasible, or no ILR (control). The ILR group underwent lymphatic anastomosis to a regional vein using microsurgical techniques; control group had no repair and cut lymphatics were ligated. Relative volume change (RVC), bioimpedance, quality of life (QoL), and compression use were evaluated at baseline and every 6 months postoperatively up to 24 months. Indocyanine green (ICG) lymphography was performed at baseline and 12 and 24 months postoperatively. The primary outcome was the incidence of BCRL, defined as & GE;10% RVC from baseline in the affected extremity at 12-, 18-, or 24-month follow-up.Results:Of 72 patients randomized to ILR and 72 to control from January 2020 to March 2023, our preliminary analysis includes 99 patients with 12-month follow-up, 70 with 18-month follow-up, and 40 with 24-month follow-up. The cumulative incidence of BCRL was 9.5% in the ILR group and 32% in the control group (P=0.014). The ILR group had lower bioimpedance values, decreased compression usage, better lymphatic function on ICG lymphography, and better QoL than the control group.Conclusions:Preliminary results of our RCT show that ILR after ALND decreases BCRL incidence. Our goal is to finish the accrual of 174 patients with 24-month follow-up.

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