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Microvascular Decompression: Salient Surgical Principles and Technical Nuances
Published on: July 5, 2011
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Early versus late tracheostomy after decompressive craniectomy for stroke.
Michael P Catalino1, Feng-Chang Lin2, Nathan Davis1
1Department of Neurosurgery, University of North Carolina School of Medicine, 170 Manning Drive, Campus Box 7025, Chapel Hill, NC 27599-7025 USA.
Journal of Intensive Care
|January 9, 2018
Summary
Early tracheostomy in stroke patients reduces mechanical ventilation duration and hospital stay. A new decision tool aids in predicting tracheostomy needs, improving pre-operative planning for families.
Area of Science:
- Neurosurgery
- Critical Care Medicine
- Respiratory Therapy
Background:
- Stroke patients undergoing decompressive craniectomy face risks of prolonged mechanical ventilation and ventilator-associated pneumonia (VAP).
- Tracheostomy may reduce mechanical ventilation duration, but predicting need and optimal timing is challenging.
- This study compares outcomes of early versus late tracheostomy and develops a predictive tool.
Purpose of the Study:
- To compare outcomes (ICU/hospital length of stay, mortality, VAP) between early (≤10 days) and late (>10 days) tracheostomy after decompressive craniectomy for stroke.
- To develop and validate a pre-operative decision-making tool to predict tracheostomy dependence.
- To inform clinical practice regarding tracheostomy timing in stroke patients.
Main Methods:
- Retrospective analysis of prospectively collected registry data from 168 patients undergoing decompressive craniectomy for stroke (2010-2015).
- Propensity-weighted decision tree analysis using pre-operative factors (GCS, SOFA score, hydrocephalus) to predict tracheostomy requirement.
- Comparison of outcomes between early and late tracheostomy groups.
Main Results:
- 48 patients (28.5%) required tracheostomy; 35 (20.8%) developed VAP; 126 (75%) survived hospitalization.
- Decision tree achieved 63% sensitivity and 84% specificity for predicting tracheostomy need.
- Early tracheostomy group showed significantly fewer ventilator days (7.3 vs 15.2) and shorter hospital length of stay (28.5 vs 44.4 days) compared to the late group.
- VAP rates and mortality were similar between groups; mortality was confounded by early withdrawal of treatment.
Conclusions:
- Early tracheostomy in stroke patients undergoing decompressive craniectomy shortens mechanical ventilation duration and hospital stay.
- The developed decision tree tool can assist in pre-operative decision-making with families regarding tracheostomy.
- While early tracheostomy offers benefits in resource utilization, it did not significantly impact VAP rates or mortality in this cohort.
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