Acute reversible kidney injury secondary to bilateral ureteric obstruction
Bibliographic record
Abstract
Background: Acute reversible kidney injury (ARKI) secondary tobilateral ureteric obstruction (BUO) is a common urological problem.Our goals were to describe the etiology, management andoutcomes of such patients identified between 2006 and 2009 andto compare them with a similar historical study published in 1982.Methods: Chart review was performed on 49 patients with AKRIsecondary to BUO. ARKI was defined as ≥33% decrease in serumcreatinine after intervention. Those with malignant and benigncauses of obstruction were identified and management and outcomedata were collected.Results: Of these 49 patients, 83% had BUO secondary to malignancy,28% of these presenting for the first time. Prevalence ofbladder cancer was increased (p = 0.04) and cervix trended lower(p = 0.07) compared with the earlier study; prostate cancer wasunchanged (p = 0.51). The average survival was 239 days; 90%of patients died within a year after presenting with BUO from amalignant etiology. Compared with the 1982 group, there weretrends towards a decrease in the frequency of retroperitoneal fibrosis(p = 0.08) and an increase in bilateral ureteric calculi (p = 0.16)in the benign group.Conclusions: Patients with ARKI secondary to BUO most likelyhave an underlying malignancy, with almost a third of them beingdiagnosed for the first time. Prevalence of bladder cancer increasedwhile cervical cancer trended lower. The cause for the former isunclear; the latter may be due to aggressive screening. Prostate cancerremained unchanged despite the widespread implementation ofprostate-specific antigen testing. Patients with an underlying malignancydo poorly and those with a newly diagnosed malignancydo worst. Those with ARKI secondary to benign causes did well.
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How this classification was reachedexpand
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 | 0.000 | 0.000 |
| 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".