Ultrasound-based evaluation of loss of lean mass in patients with burns: A prospective longitudinal study.

Objectives: To evaluate the loss of lean mass in patients with burns using ultrasonography of the quadriceps muscle of the thigh.

Methods: A prospective longitudinal study was conducted using ultrasound of the quadriceps muscle of the thigh to assess the change in thickness in millimeters on days 1, 3 and 7 after study enrollment in 45 patients with burns who were admitted to a burn center (BTC) of a university hospital between April 2020 and September 2021. Patients burns on the thighs, which made it difficult to undertake examinations, were excluded.