Clinical outcomes and prognostic factors for prolonged mechanical ventilation in patients with acute stroke and brain trauma.

J Formos Med Assoc

Chang Gung University, Taoyuan, Taiwan; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung, Taiwan. Electronic address:

Published: January 2022

AI Article Synopsis

  • The study examined the clinical features and outcomes of 103 patients with acute neurological issues (like stroke and brain trauma) who required prolonged mechanical ventilation (PMV) at a hospital in Taiwan from 2011 to 2014.
  • Weaning success, defined as being off the ventilator for more than 5 days, occurred in 61% of patients, while 39% experienced weaning failure, which was linked to older age, lower Glasgow Coma Scale scores, and longer hospital stays.
  • The research concludes that a lower Glasgow Coma Scale score is a significant predictor of weaning failure and associated with higher in-hospital mortality in these patients.

Article Abstract

Background/purpose: Neurological dysfunction is a common condition necessitating prolonged mechanical ventilation (PMV). We investigated the clinical features and outcomes of patients with acute neurological diseases requiring PMV.

Methods: This retrospective observational study was conducted at the Respiratory Care Center (RCC) of Chang Gung Memorial Hospital, Taiwan, between January 2011 and January 2014. The main outcome was weaning success, defined as successful withdrawal from mechanical ventilator support for more than 5 days.

Results: The study included 103 patients with acute stroke and brain trauma receiving PMV. Weaning success was reported in 63 (61%) patients and weaning failure was reported in 40 (39%) patients. Patients in the weaning failure group were older and had a lower RCC Glasgow Coma Scale (GCS) score (6.0 vs 7.9, p = 0.005), lower albumin level (2.8 vs 3.1, p = 0.015), longer RCC stay (28.7 vs 21.3 days, p = 0.017), and higher in-hospital mortality rate (47% vs 9%, p < 0.01). Multivariate analysis revealed that reduced RCC GCS score is an independent prognostic factor for weaning failure (odds ratio [OR] = 1.22, 95% confidence interval [CI] = 1.05-1.46, p = 0.016) and that per unit increase of RCC GCS score is associated with a lower risk of in-hospital mortality (OR = 0.83, 95% CI = 0.70-0.96, p = 0.019).

Conclusion: Reduced RCC GCS score is an independent prognostic factor for weaning failure, and is associated with increased in-hospital mortality rates in patients with acute stroke and brain trauma requiring PMV.

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http://dx.doi.org/10.1016/j.jfma.2021.02.011DOI Listing

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