1. Longitudinal Assessment of Right Ventricular Function in Hypoplastic Left Heart Syndrome
- Author
-
Theresa A. Tacy, Parthasarathy Srinivasan, Sharon Chen, Gail E. Wright, Lynn F. Peng, Rajesh Punn, Sowmya Balasubramanian, Frank L. Hanley, and Shea N. Smith
- Subjects
medicine.medical_specialty ,education.field_of_study ,Proportional hazards model ,business.industry ,Population ,030204 cardiovascular system & hematology ,Vascular surgery ,medicine.disease ,Norwood Operation ,Hypoplastic left heart syndrome ,Cardiac surgery ,03 medical and health sciences ,0302 clinical medicine ,030228 respiratory system ,Internal medicine ,Pediatrics, Perinatology and Child Health ,Cohort ,medicine ,Cardiology ,Cardiology and Cardiovascular Medicine ,business ,education ,Shunt (electrical) - Abstract
Overall survival of patients with hypoplastic left heart syndrome (HLHS) has shown continued improvement. Right ventricular (RV) dysfunction, in the long term, adversely affects prognosis in these patients. This study examines changes in echocardiographic markers of RV function in a longitudinal cohort. We retrospectively reviewed patients with HLHS managed at our institution from 7/1994 to 1/2016. Follow-up included surgical and clinical data, and echocardiographic measures. Measures of RV function preceding and following all three stages of single ventricular palliation were collected. Freedom from transplant-free survival was assessed by Kaplan–Meier analysis. Multivariable associations with time to death or transplant were explored using the Cox proportional hazards model. A total of 120 patients with HLHS were identified. Norwood operation was performed in all patients. The probability of survival for the cohort was 71 ± 4.4%, 69 ± 4.5% and 66 ± 4.7% at 1, 2 and 5 years respectively after stage I Norwood operation. RV fractional area change (FAC), compared to post-Norwood was decreased at all subsequent stages with the greatest change noted post-superior cavo-pulmonary shunt from 40.7 ± 9.3% to 31.1 ± 8.3% (p 35% and TAPSE Z-score > -5, patients with RV FAC ≤ 35% and TAPSE Z-score ≤ -5 had a significantly lower transplant-free survival (p
- Published
- 2021