Quantitative Assessment of Upper-Limb Volume: Implications for Lymphedema Rehabilitation?

Abstract

Upper-limb lymphedema is a chronic condition characterized by the accumulation of lymphatic fluid in the arm or hand, resulting in swelling and functional impairment. The accurate and reliable volumetric assessment of limb volume is crucial for the correct management of lymphedema. This narrative review provides an overview of the different methods proposed in the literature for the volumetric assessment of upper-limb lymphedema. In more detail, several methods of volumetric assessment have been proposed in recent years, including water displacement, the centimetric method, perometry, bioimpedance spectroscopy, dual-energy X-ray absorptiometry, magnetic resonance imaging, computed tomography, and three-dimensional laser scanning techniques. On the other hand, each method is characterized by specific strengths and limitations in terms of accuracy, reliability, practicality, and cost-effectiveness. Moreover, factors including operator experience, equipment availability, and patient population characteristics might have several implications in the optimal assessment of upper-limb volume. In this context, a precise volumetric assessment is crucial to improving the rehabilitation framework, patient education, and research outcomes. As a result, the integration of emerging technologies is needed to improve the tailored management of patients with upper-limb lymphedema. In conclusion, volumetric assessment methods provide valuable insights in the management of upper-limb lymphedema, improving patient care, treatment outcomes, and research advancements. Future research should focus on testing these innovative solutions on larger samples of patients to enhance the reproducibility, accuracy, accessibility, and clinical utility of volumetric assessment methods in the complex treatment framework of upper-limb lymphedema.

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