Muscle strength evolution after Intensive Care Unit discharge
Abstract
The aim of this study was to analyze changes in peripheral muscle strength in critical patients
during their stay in the ICU and until hospital discharge. A prospective, observational and
analytic study was conducted at the Hospital de Clínicas, Montevideo (Uruguay), in which
adult patients that required at least 24 hours of mechanical ventilation were included. Muscle
strength was assessed with handheld dynamometry. Measurements began upon the patient's
arrival to the Medium Care Unit and when they were capable of collaborating with the
maneuver. This was done every 3-5 days until hospital discharge.
38 patients were included in total, 10 (26%) of which developed ICU acquired weakness (ICUAW). Hand-held dynamometry correlated inversely with the duration of mechanical
ventilation, days spent at the ICU and days spent at the hospital. Muscle strength improved
significantly during medium care stay in the patients that developed ICU-AW, while it
remained unchanged in those that did not acquire ICU-AW. Furthermore, muscle strength at
hospital discharge was found to be greatly below the expected for the patients that did not
develop muscle weakness.
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Copyright (c) 2023 Sebastián Cabrera, Juan José Cambón, Anahí González, Sabrina Pastre, Erika Riveiro, Valeria Romero, Inés Cunha, Rodrigo Beltramelli, Pedro Alzugaray, Martín Angulo

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