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Pseudofracture: An Acute Peripheral Tissue Trauma Model
Published on: April 18, 2011
Multiple organ dysfunction after trauma
E Cole1, S Gillespie1, P Vulliamy1
1Centre for Trauma Sciences, Blizard Institute, Queen Mary University of London, 4 Newark Street, London, E1 2AT, UK.
Background:
The nature of multiple organ dysfunction syndrome (MODS) after traumatic injury is evolving as resuscitation practices advance and more patients survive their injuries to reach critical care. The aim of this study was to characterize contemporary MODS subtypes in trauma critical care at a population level.
Methods:
Adult patients admitted to major trauma centre critical care units were enrolled in this 4-week point-prevalence study. MODS was defined by a daily total Sequential Organ Failure Assessment (SOFA) score of more than 5. Hierarchical clustering of SOFA scores over time was used to identify MODS subtypes.
Results:
Some 440 patients were enrolled, of whom 245 (55·7 per cent) developed MODS. MODS carried a high mortality rate (22·0 per cent versus 0·5 per cent in those without MODS; P < 0·001) and 24·0 per cent of deaths occurred within the first 48 h after injury. Three patterns of MODS were identified, all present on admission. Cluster 1 MODS resolved early with a median time to recovery of 4 days and a mortality rate of 14·4 per cent. Cluster 2 had a delayed recovery (median 13 days) and a mortality rate of 35 per cent. Cluster 3 had a prolonged recovery (median 25 days) and high associated mortality rate of 46 per cent. Multivariable analysis revealed distinct clinical associations for each form of MODS; 24-hour crystalloid administration was associated strongly with cluster 1 (P = 0·009), traumatic brain injury with cluster 2 (P = 0·002) and admission shock severity with cluster 3 (P = 0·003).
Conclusion:
Contemporary MODS has at least three distinct types based on patterns of severity and recovery. Further characterization of MODS subtypes and their underlying pathophysiology may lead to future opportunities for early stratification and targeted interventions.
Insights
Multiple organ dysfunction syndrome (MODS) in trauma patients presents in at least three distinct subtypes, each with unique recovery patterns and mortality rates. Understanding these subtypes may enable targeted interventions for better patient outcomes.
Area of Science:
- Critical Care Medicine
- Trauma Surgery
- Pathophysiology
Background:
- Multiple organ dysfunction syndrome (MODS) is a significant concern in trauma critical care.
- Evolving resuscitation practices influence patient survival and the presentation of MODS.
- Characterizing contemporary MODS subtypes is crucial for improving patient management.
Purpose of the Study:
- To identify and characterize distinct subtypes of MODS in adult trauma patients.
- To analyze the patterns of severity and recovery among different MODS subtypes.
- To explore clinical associations specific to each MODS subtype.
Main Methods:
- A 4-week point-prevalence study enrolled adult patients in major trauma centre critical care units.
- MODS was defined by a daily Sequential Organ Failure Assessment (SOFA) score > 5.
- Hierarchical clustering of SOFA scores over time identified MODS subtypes.
Main Results:
- Of 440 patients, 245 (55.7%) developed MODS, with a high mortality rate (22.0%).
- Three MODS subtypes were identified on admission, differing in recovery time and mortality.
- Cluster 1 (early recovery, 14.4% mortality), Cluster 2 (delayed recovery, 35% mortality), and Cluster 3 (prolonged recovery, 46% mortality).
- Clinical factors like crystalloid administration, traumatic brain injury, and shock severity were associated with specific subtypes.
Conclusions:
- Contemporary MODS in trauma patients exhibits at least three distinct subtypes based on severity and recovery.
- Further research into MODS subtype pathophysiology can guide early stratification and targeted interventions.
- Identifying MODS subtypes offers potential for personalized treatment strategies in critical care.
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