Pathophysiological Response to Burn Injury in Adults
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: The aim of this study was to compare the hypermetabolic, and inflammatory trajectories in burned adults to gain insight into the pathophysiological alterations and outcomes after injury. SUMMARY OF BACKGROUND DATA: Burn injury leads to a complex response that is associated with hypermetabolism, morbidity, and mortality. The underlying pathophysiology and the correlations between humoral changes and organ function have not been well delineated in adult burn patients. METHODS: Burned adult patients (n = 1288) admitted to our center from 2006 to 2016 were enrolled in this prospective study. Demographics, clinical data, metabolic and inflammatory markers, hypermetabolism, organ function, and clinical outcomes were obtained throughout acute hospitalization. We then stratified patients according to burn size (<20%, 20% to 40%, and >40% total body surface area [TBSA]) and compared biomedical profiles and clinical outcomes for these patients. RESULTS: Burn patients were hypermetabolic with elevated resting energy expenditure (REE) associated with increased browning of white adipose tissue from weeks 2 to 4. Hyperglycemia and hyperinsulinemia peaked 7 to 14 days after injury. Oral glucose tolerance and insulin resistance (QUICKI, HOMA2) tests further confirmed these findings with similar areas under the curve for moderate (20% to 40% TBSA) and severe burn (>40% TBSA). Lipid metabolism in sera revealed elevated pro-inflammatory stearic and linoleic acid, with complementary increases in anti-inflammatory free fatty acids. Similar increases were observed for inflammatory cytokines, chemokines, and metabolic hormones. White adipose tissue from the site of injury had increased ER stress, mitochondrial damage, and inflammasome activity, which was exacerbated with increasing burn severity. CONCLUSIONS: In this large prospective trial, we delineated the complexity of the pathophysiologic responses postburn in adults and concluded that these profound responses are time and burn size dependent. Patients with medium-size (20% to 40% TBSA) burn demonstrated a very robust response that is similar to large burns.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it