• Enfermería intensiva · Oct 2013

    Observational Study

    [Evolution in muscle strength in critical patients with invasive mechanical ventilation].

    • G Via Clavero, M Sanjuán Naváis, M Menéndez Albuixech, L Corral Ansa, G Martínez Estalella, and A Díaz-Prieto-Huidobro.
    • Unidad de Cuidados Intensivos, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, España; Departamento Enfermería Fundamental y Médico-Quirúrgica, Escuela Universitaria de Enfermería, Universidad de Barcelona, L'Hospitalet de Llobregat, Barcelona, España. Electronic address: gviac@ub.edu.
    • Enferm Intensiva. 2013 Oct 1;24(4):155-66.

    ObjectiveTo assess the evolution of muscle strength in critically ill patients with mechanical ventilation (MV) from withdrawal of sedatives to hospital discharge.Material And MethodA cohort study was conducted in two intensive care units in the Hospital Universitari de Bellvitge from November 2011 to March 2012.Inclusion CriteriaConsecutive patients with MV > 72h. Dependent outcome: Muscle strength measured with the Medical Research Council (MRC) scale beginning on the first day the patient was able to answer 3 out of 5 simple orders (day 1), every week, at ICU discharge and at hospital discharge or at day 60 Independent outcomes: factors associated with muscle strength loss, ventilator-free days, ICU length of stay and hospital length of stay. The patients were distributed into two groups (MRC< 48, MRC ≥ 48) after the first measurement.ResultsThirty-four patients were assessed. Independent outcomes associated with muscle strength weakness were: days with cardiovascular SOFA >2 (P<.001) and days with costicosteroids (P<.001). Initial MRC in MRC<48 group was 38 (27-43), and 52 (50-54) in MRC ≥ 48. The largest muscle strength gain was obtained the first week (31% versus 52%). A MRC < 48 value was associated with more MV days (P<.007) and a longer ICU stay. (P<.003).ConclusionThe greatest muscle strength gain after withdrawing of the sedatives was achieved in the first week. Muscle strength loss was associated with a cardiovascular SOFA > 2 and costicosteroids. Patients with a MRC < 48 required more days with MV and a longer ICU stay.Copyright © 2013 Elsevier España, S.L. y SEEIUC. All rights reserved.

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