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Enfermería Intensiva (English Edition) Associations between ICU nursing care and functional outcomes in survivors of cr...
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Vol. 37. Issue 1. (In progress)
(January - March 2026)
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Vol. 37. Issue 1. (In progress)
(January - March 2026)
Original article

Associations between ICU nursing care and functional outcomes in survivors of critical COVID-19: Longitudinal study

Factores asociados al cuidado de enfermería en UCI y estado funcional tras enfermedad crítica por COVID-19
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Raví P. Pereiraa,b,
Corresponding author
ravi.pimentel@ufrgs.br

Corresponding author.
, Vanessa F. Bonattoa,c, Luísa B. Santanaa, Isis M. Severoc, Michele D. Santarema,d, Augusto Savid, Cassiano Teixeirac, Karina de O. Azzolina,c
a Nursing School, Federal University of Rio Grande do Sul, Rua São Manoel, 963, Bairro Rio Branco, Porto Alegre, RS, Brazil
b Department of Intensive Care, Hospital de Pronto Socorro de Porto Alegre, Prefeitura Municipal de Porto Alegre, Largo Teodoro Herzl, s/n, Bairro Bom Fim, Porto Alegre, RS, Brazil
c Department of Intensive Care, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
d Emergency Department, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
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Abstract
Introduction

The evaluation of long-term functional disabilities and factors associated with decline following COVID-19-related critical illness in low- and middle-income countries remains underexplored in current literature. Addressing this gap is essential for healthcare professionals, particularly nurses, to develop targeted interventions aimed at reducing the risk of functional decline after critical illness during pandemics.

Objectives

To analyze ICU nursing care factors associated with functional outcomes in survivors of critical illness due to COVID-19, six months after ICU discharge.

Methods

A prospective longitudinal study was conducted. Adults (≥18 years) discharged from the ICU after viral pneumonia, confirmed by RT-PCR for SARS-CoV-2, with a minimum ICU stay of 72 h, were included. Follow-up was conducted via telephone interviews at one, three, and six months to collect sociodemographic data and assess functional status using the Barthel Index. Data were analyzed using Generalized Estimating Equations.

Results

The study included 400 participants (mean age: 52.41 ± 13.680 years; median ICU stay: 15.0 days, IQR: 8.0–26.0). Functional decline was observed in 43% of patients at one month, 28.4% at three months, and 20.4% at six months. Delirium and skin ulcers during ICU stay were modifiable factors associated with post-critical care functional disability.

Conclusions

Exploring targeted nursing interventions, such as delirium and pressure ulcer prevention, is essential to promote recovery and prevent long-term disability after critical illness.

Keywords:
Cohort studies
COVID-19
Critical care nursing
Critical illness
Functional status
Resumen
Introducción

La evaluación de las discapacidades funcionales a largo plazo y los factores asociados al deterioro tras una enfermedad crítica relacionada con la COVID-19 en países de ingresos bajos y medianos sigue siendo poco explorada en la literatura actual. Abordar esta brecha es esencial para que los profesionales de la salud, especialmente las enfermeras, desarrollen intervenciones específicas orientadas a reducir el riesgo de deterioro funcional después de una enfermedad crítica durante pandemias.

Objetivos

Analizar los factores del cuidado de enfermería en la UCI asociados con los resultados funcionales en sobrevivientes de una enfermedad crítica por COVID-19, seis meses después del alta de la UCI.

Método

Estudio prospectivo longitudinal. Se incluyeron pacientes mayores de 18 años dados de alta de la UCI por neumonía viral, con prueba positiva para SARS-CoV-2 mediante RT-PCR y una estancia mínima en la UCI de 72 horas. El seguimiento se realizó mediante entrevistas telefónicas al primero, tercer y sexto mes, recopilando datos sociodemográficos y evaluando el estado funcional mediante el Índice de Barthel. Los datos fueron analizados mediante ecuaciones de estimación generalizada.

Resultados

Se incluyeron 400 participantes (edad media: 52,41 ± 13,680 años; estancia mediana en UCI: 15 días, rango intercuartil: 8–26). Se observó deterioro funcional en el 43% de los pacientes al primer mes, 28,4% al tercer mes y 20,4% al sexto mes. El delirium y las úlceras cutáneas durante la estancia en la UCI fueron factores modificables asociados con discapacidades funcionales tras los cuidados críticos.

Conclusiones

Explorar intervenciones de enfermería específicas, como la prevención del delirio y de las úlceras por presión, es fundamental para promover la recuperación y prevenir la discapacidad a largo plazo después de una enfermedad crítica.

Palabras clave:
Estudios de cohortes
COVID-19
Enfermería de cuidados críticos
Enfermedad crítica
Estado funcional

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