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1.
Ann Thorac Surg ; 115(5): 1197-1204, 2023 05.
Article in English | MEDLINE | ID: mdl-36646244

ABSTRACT

BACKGROUND: This study was intended to determine the impact of extracardiac anomalies on outcomes in patients with functional single ventricle who underwent staged palliation. METHODS: We reviewed medical records of patients who underwent first-stage palliation at our center between 2001 and 2020. The prevalence and type of extracardiac anomalies were evaluated, and their impact on outcomes during staged palliation was analyzed. RESULTS: Among 602 patients who underwent first-stage palliation, 81 (14%) patients had associated with extracardiac anomalies. They were more frequently associated with prematurity (P = .03) and low birth weight below 2.5 kg (P < .01). Mortality between first-stage palliation and stage II was similar in patients with and without extracardiac anomalies (24.7% vs 17.1%, P = .10). However, mortality between stage II and stage III was significantly higher in patients with extracardiac anomalies compared with those without (22.2% vs 12.5%, P = .02). Mortality after stage III was also higher in patients with extracardiac anomalies compared with those without (4.9% vs 1.5%, P = .04). In the subgroup analysis of 81 patients with extracardiac anomalies, renal anomalies were identified as a significant risk factor for mortality (P = .03, hazard ratio 2.44). CONCLUSIONS: The incidence of extracardiac anomalies in this study was 14%, and patients with extracardiac anomalies were highly associated with prematurity and low birth weight. Presence of extracardiac anomalies was associated with higher mortality between stage II and stage III palliation and after stage III phase, but not before stage II. Among extracardiac anomalies, renal anomalies were identified as a risk factor for mortality.


Subject(s)
Univentricular Heart , Infant, Newborn , Humans , Treatment Outcome , Retrospective Studies , Infant, Low Birth Weight , Risk Factors , Morbidity , Palliative Care
2.
Ann Thorac Surg ; 115(5): 1213-1221, 2023 05.
Article in English | MEDLINE | ID: mdl-35944702

ABSTRACT

BACKGROUND: Total anomalous pulmonary venous connection (TAPVC) with a functional single ventricle is a risk factor for mortality during staged palliation. This study aimed to assess TAPVC's impact on staged palliation outcomes. METHODS: In a total of 602 patients with a functional single ventricle who underwent stage 1 palliation (S1P) at our center between 2001 and 2020, 39 (6.5%) patients were associated with TAPVC. Median age at S1P was 12.0 (interquartile range, 7-21) days with a body weight of 3.1 (interquartile range, 2.8-3.6) kg. Outcomes during staged palliation were compared with the remaining 563 patients without TAPVC. Risk factors for mortality were identified using a Cox proportional hazards regression model. RESULTS: Primary diagnosis in functional single-ventricle patients with TAPVC included hypoplastic left heart syndromes (n = 13), unbalanced atrioventricular septal defects (n = 12) tricuspid atresias (n = 2), double inlet left ventricle (n = 1), and others (n = 11). Types of TAPVC were supracardiac (n = 21), cardiac (n = 10), infracardiac (n = 6), and mixed (n = 2). Pulmonary venous obstruction (PVO) was associated in 19 (49%) patients. S1Ps included Norwood (n = 13), aortopulmonary shunt (n = 21), and pulmonary artery banding (n = 5). Thirty-day mortality after S1P was significantly increased in patients with TAPVC vs without TAPVC (43.6% vs 16.3%; P < .001). After bidirectional cavopulmonary shunt and total cavopulmonary connection procedures, mortality was low in both groups, and no statistically significant differences were found. Correction of TAPVC at the time of S1P was not found to be a significant risk factor in univariable Cox regression analysis. In univariate and multivariate analysis, PVO was identified as an independent risk factor for mortality in patients with TAPVC (P < .001). CONCLUSIONS: Overall survival is lower in TAPVC single-ventricle patients than in non-TAPVC patients. Most deaths after S1P were associated with TAPVC, but not after S2P. PVO is a mortality risk factor in TAPVC patients.


Subject(s)
Fontan Procedure , Pulmonary Veins , Pulmonary Veno-Occlusive Disease , Scimitar Syndrome , Univentricular Heart , Humans , Infant , Infant, Newborn , Retrospective Studies , Pulmonary Circulation , Scimitar Syndrome/diagnosis , Pulmonary Veins/surgery , Pulmonary Veins/abnormalities , Treatment Outcome
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