Hematopoietic stem cell transplantation in infants
Bibliographic record
Abstract
BACKGROUND: It is rare for infants, who are less than 365 days old, to receive hematopoietic stem cell transplantation (HSCT). Our objective was to review the indications, survival, and late effects of infants who received HSCT. PROCEDURE: Between April 1992 and March 2010, a total of 1,363 children underwent HSCT (775 allogeneic [allo]; 588 autologous [auto]) in the Hospital for Sick Children, Toronto. Of these, 51 (3.7%) were infants. RESULTS: Seventeen infants received allo HSCT for a genetic metabolic disorder. The median age at HSCT was 211 days (29-334 days). After median follow-up of 8.9 years (2.9-20.2 years), 12 patients remained alive, representing an overall survival rate of 70%. Infants with non-metabolic disorders (n = 34); 10 (three neuroblastoma [NBL], three brain tumor, two acute meylogenous leukemia [AML], one rhabdomyosarcoma, and one retinoblastoma) received auto HSCT, and 24 (eight hemophagocytic lymphohistiocytosis [HLH], four juvenile meylomonocytic leukemia [JMML], four Wiscott-Aldrych Syndrome [WAS], three acute lymphoblastic leukemia [ALL], two AML, one severe aplastic anemia [SAA], one chronic granulomatous disease [CGD], and one amegakaryocytic thrombocytopenia) received allo HSCT. Their median age at HSCT was 255 days (142-365 days). At median follow-up of 8.7 years (2.5-17.6 years), 26 infants remained alive, representing an overall survival rate of 76%. In the auto HSCT category, eight of 10 infants are long-term survivors. Late effects such as organ dysfunction, endocrinopathy, and secondary tumors were within accepted range. CONCLUSION: The survival rate of infants who receive HSCT is encouraging.
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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 | 0.001 |
| 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 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".