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General Rehabilitation

(Research Hub Theater) Clinical Utility of Bioimpedance Analysis for Upper Limb Lymphedema with Physiologic Surgical Treatment

Thursday, November 16, 2023
5:00 PM – 7:00 PM CT

    Primary Author(s)

  • Hyun Ah Lee, MD

    Fellowship doctor
    n/a
    Songpa-gu, Seoul-t'ukpyolsi, Republic of Korea

    • Co-Author(s)

  • Inho Woo, MD

    Fellowship doctor
    Asan Medical Center
    Songpa-gu, Seoul-t'ukpyolsi, Republic of Korea

  • Yong Jae Na, MD

    Fellowship doctor
    Asan Medical Center
    Song Pa, Seoul-t'ukpyolsi, Republic of Korea

  • MK

    Min Gi Kim, MD

    resident
    Asan Medical Center
    SEeoul, Seoul-t'ukpyolsi, Republic of Korea

  • Jae Yong Jeon, MD

    professor
    Asan Medical Center
    Seoul, Seoul-t'ukpyolsi, Republic of Korea

Background and/or Objectives: In lymphedema, accumulation of subcutaneous interstitial fluid is the most characteristic feature. Bioimpedance analysis (BIA) is a promising technique to measure amount of body components using a non-invasive method. In this study we identified the clinical importance of BIA parameters in upper limb lymphedema with physiologic surgical treatment such as lymphovenous anastomosis (LVA) or vascularized lymph node transfer (VLNT).

Design: A single center retrospective study using a multifrequency BIA.

Setting: A single center

Participants : 48 lymphedema patients

Interventions: The relationships between the amount of change in percentage of excess volume (PEV) and in BIA parameters during surgery were evaluated. Out of 48 unilateral lymphedema patients, 46 were female and the average age was 55.4 years.

Main Outcome Measures: The perioperative BIA parameters such as extracellular water (ECW) ratio or fat free mass (FFM) ratio and limb volume defined as PEV were measured.

Results: PEV and all BIA parameters showed significant decrease after surgery (p < 0.001).There were significant correlations between ΔPEV and the degree of changes in all BIA parameters. In particular, the ΔFFM ratio showed the highest correlation with the amount of change in PEV (r = 0.599, p < 0.001).

Conclusions: BIA parameters correlated well with the volume change after surgery. BIA could be useful as a quick and easy tool for follow-up after lymphedema surgery.