Abstract 13138: Outcomes of Surgical Repair for Sinus Venosus Atrial Septal Defect
Bibliographic record
Abstract
Introduction: Sinus venosus atrial septal defect (SVASD) is a rare congenital cardiac anomaly comprising 5-10% of all atrial septal defects. Although surgical closure is the standard treatment for SVASD, data on outcomes have been confined to small cohorts. Thus, we conducted a systematic review and meta-analysis of outcomes of SVASD repair. Methods: A comprehensive search of PROSPERO, MEDLINE, EMBASE, and Cochrane Library databases was conducted. The primary outcome was mortality. Secondary outcomes encompassed atrial fibrillation, sinus node dysfunction, pacemaker insertion, cerebrovascular accident (CVA), reoperation, residual septal defect, superior vena cava (SVC) obstruction, and reimplanted pulmonary vein obstruction. Pooled incidences of outcomes were calculated using a random effects model. Results: Forty studies involving 1,292 patients who underwent SVASD repair were included. The majority were male (59.4%), with 92.9% presenting with associated pulmonary anomalous venous connection. The weighted mean ages were 18.6 ± 12.5 years, and the overall weighted mean follow-up period was 8.6 ± 10.4 years. In-hospital mortality rate was 0.24%, with a 30-day mortality of 0.56% reported in 720 patients. Incidences of atrial fibrillation, sinus node dysfunction, pacemaker insertion, and CVA over the long-term follow-up were 2% (1-3%), 4% (2-6%), 2% (1-2%), respectively. Reoperation, residual septal defect, SVC obstruction, and reimplanted pulmonary vein obstruction occurred in 1% (0-2%), 2% (2-2%), 1% (1-1%), and 2% (2-2%) surgeries, respectively. Conclusions: This is the first comprehensive analysis of outcomes following surgical repair of SVASD. The findings affirm the safety and effectiveness of surgical intervention, establishing a reference point for evaluating emerging transcatheter therapies. Comparable safety and efficacy profiles to surgical repair are essential for widespread adoption of transcatheter treatments.
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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 | 0.003 |
| 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 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".