Timing and Utility of Ultrasound in Diarrhea-Associated Hemolytic Uremic Syndrome: 7-Year Experience of a Large Tertiary Care Hospital
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Bibliographic record
Abstract
The authors reviewed the clinical, laboratory, and imaging data from cases of diarrhea-associated hemolytic uremic syndrome (HUS D+), diagnosed at our institution, from 2001 to 2008. The timing and utility of ultrasonographic features of HUS D+ were analyzed. The aim of the study was to determine factors that could aid in the early diagnosis of this disease. A total of 13 children with HUS D+ were identified out of 23 patients with HUS diagnosed during this time period. Evidence of Escherichia coli 0157:H7 was found in 9 cases (70%). Ultrasound studies were ordered in 10 patients (71%), all of which showed renal sonographic findings compatible with HUS. Ultrasound was performed at a mean of 13 days after onset of the diarrhea. Of note, 2 patients whose ultrasounds were performed at the beginning of their diarrheal illness manifested ultrasonographic features suggestive of HUS when there was only a mild increase in serum creatinine and no decrease in hemoglobin or platelets, suggesting that ultrasonography can identify renal involvement early in the course of the disease before other systemic signs appear. Early renal ultrasound may be a useful adjunct in the initial evaluation in children with bloody diarrhea. Evidence of increased renal echogenicity in a patient with bloody diarrhea could aid in early recognition of HUS when other diagnoses such as intussusceptions are being entertained, potentially allowing early intervention.
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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 | 0.010 |
| 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