Mobility and clinical outcome of patients admitted to an intensive care unit

Lima, Eriádina Alves de; Rodrigues, Gezabell; Peixoto Júnior, Arnaldo Aires; Sena, Riany de Sousa; Viana, Soraya Maria do Nascimento Rebouças; MontAlverne, Daniela Gardano Bucharles

Abstract

Introduction:

The hospital environment exacerbates the effects of immobility due to several exposure factors, and the functional assessment of individuals using reliable instruments is vital.

Objective:

To determine the relationship between functional mobility and the clinical outcome of patients admitted to an intensive care unit.

Method:

This is a prospective quantitative longitudinal study, approved by the institutional research ethics committee, carried out in the intensive care unit of a University Hospital. Clinical data and the Acute Physiology and Chronic Health Evaluation (APACHE II) score were collected 24 hours after admission. The Perne Score was used to analyze patient mobility.

Results:

33 patients participated, 63% female. With respect to mobility and transfers, 69.7% required total assistance from the supine to the sitting position and 70% to maintain balance, 9.1% needed minimum assistance from sitting to standing, and 100% total assistance for walking and endurance exercises. The main barriers to mobility were invasive ventilation (60%), assistive devices and intravenous infusion (100%). The following Perne Score domains were significantly associated with the

outcome:

mental status (p = 0.040), barriers to mobility (p = 0.016), strength (p = 0.010), mobility in bed (p = 0.024) and the total Perme Score ( p = 0.002). There were also significant associations between invasive ventilation and low Perme Scores (p = 0.000), and the Richmond Agitation-Sedation Scale (RASS) (-5 and -4) and death in 66.7% of patients (p = 0.011). The Perme Score and RASS (R = 0.745) were moderately correlated and APACHE II and Perme Score inversely moderately correlated (R = -0.526).

Conclusion:

Mobility assessed by the Perme Score was related to the clinical outcome and strongly associated with sedation level and patient severity.

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