Predictive Factors for Successful Decannulation in Patients with Tracheostomies and Brain Injuries: A Systematic Review.
Thomas Gallice, Emmanuelle Cugy, Olivier Branchard and 2 others
PMID 38189928WHAT IT FOUND
For patients with brain injuries, decannulation success is predicted by better consciousness, effective swallowing, and a strong cough.
Younger age and traumatic rather than anoxic causes also help. These factors suggest who might tolerate tube removal, but do not guarantee it.
Key findings
01Higher neurological status (consciousness/alertness) was the most frequently identified predictor of decannulation success across 14 studies.
02Effective swallowing and a strong cough were identified as positive predictors for successful decannulation in five studies each.
03Younger age was a predictor for decannulation in 10 studies, while pulmonary infections and infratentorial lesions predicted failure or delay.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The included studies were mostly observational and retrospective, with only 10 of 26 having a low risk of bias. Definitions of outcomes (success, failure, delay) varied significantly between studies. Different studies used different scales to measure neurological status and swallowing, making direct comparison difficult. The review did not perform a meta-analysis, so effect sizes cannot be pooled. Most studies did not control for all potential confounders, and the protocols for decannulation varied widely.
Declared interests
No specific funding sources or conflicts of interest are declared in the provided text.
The easy way to misread this
Do not use these factors as a rigid checklist to guarantee decannulation success. The evidence is based on heterogeneous observational studies with varying protocols and outcome definitions. A patient with all 'positive' predictors may still fail, and a patient with some 'negative' predictors may succeed. Clinical judgment and a multidisciplinary approach remain essential.