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Is bioimpedance spectroscopy a useful tool for objectively assessing lymphovenous bypass surgical outcomes in breast cancer-related lymphedema?

Abstract：

PURPOSE:We sought to determine if bioimpedance spectroscopy (BIS) measurements can accurately assess changes in breast cancer-related lymphedema (BCRL) in patients undergoing lymphovenous bypass (LVB). METHODS:Patients undergoing LVB for BCRL refractory to conservative treatment from 1/2015 to 12/2018 were identified from an IRB-approved prospectively maintained database at a single institution. All breast cancer patients were assessed with baseline BIS measurements prior to any oncologic surgery and serial BIS during follow-up office visits including before and after LVB. Clinicopathologic information, LVB operative details, and pre- and post-LVB operative BIS measurements were collected. Analysis focused on clinically significant BIS change, defined as two standard deviations (SD), and comparing LVB anastomosis to BIS changes. RESULTS:During the study timeframe, nine patients underwent LVB for treatment of BCRL. The majority (78%) received radiation, taxane chemotherapy, and underwent axillary dissection. An average of 5.6 LVB anastomoses were performed per patient. The average change in BIS following LVB was a 3SD reduction, indicating a clinically significant change. This improvement was stable over time, with persistent 2SD reduction at 22 months postoperatively. The number of LVB anastomoses performed did not significantly correlate with the degree of BIS change. CONCLUSIONS:This is the first study to utilize BIS measurements to assess response to LVB surgical intervention for BCRL. BIS measurements demonstrated clinically significant improvement after LVB, providing objective evidence in support of this surgical treatment for BCRL. BIS changes should be reported as key objective data in future studies assessing BCRL interventions, including response to LVB.

journal_name

Breast Cancer Res Treat

journal_title

Breast cancer research and treatment

authors

Sutherland A,Wagner JL,Korentager S,Butterworth J,Amin AL,Balanoff CR,Hangge A,Larson KE

doi

10.1007/s10549-020-06059-6

subject

Has Abstract

pub_date

2021-01-04 00:00:00

eissn

0167-6806

issn

1573-7217

pii

10.1007/s10549-020-06059-6

pub_type

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Is bioimpedance spectroscopy a useful tool for objectively assessing lymphovenous bypass surgical outcomes in breast cancer-related lymphedema?