ArticleBrazilian journal of cardiovascular surgery2025
Technical Performance Score: A Robust Predictor of Morbidity Following the Norwood Procedure at a Developing Country Institution.
Article in Brazilian journal of cardiovascular surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe Norwood operation has transformed the approach to hypoplastic left heart syndrome and its variants. Given the complexity of this procedure, postoperative residual injuries are prevalent.
objectiveTo evaluate the impact of significant residual injuries on clinical outcomes and mortality in Norwood procedure patients at a high-volume tertiary center in a developing nation using the technical performance score (TPS).
methodsThis single-center, retrospective study included patients who underwent the Norwood procedure between December 2018 and February 2023. Data on demographics, echocardiograms, complications, intensive care unit stay, and mortality were collected. Logistic regression and linear analyses assessed the impact of TPS on outcomes.
resultsOf 69 patients, nine (13%) were excluded due to incomplete echocardiographic data, leaving 60 (87%) for TPS classification. Among them, 28 (47%) were male. TPS classification was as follows: 40 (66%) in class 1 (excellent), five (8.3%) in class 2 (adequate), and 15 (25%) in class 3 (inadequate), indicating significant residual lesions or need for reintervention. The 30-day mortality rate was 21.6%, increasing to 41.6% before the next stage. In TPS class 3, 30-day mortality was 33% vs. 17% in classes 1 and 2 (P = 0.27). Interstage mortality was 60% in class 3 compared to 35% in other groups (P = 0.13). Major complications were significantly higher in TPS class 3 (93% vs. 55.5%, P = 0.04).
conclusionTPS effectively predicts major complications post-Norwood and serves as a valuable tool for improving patient outcomes.
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