ANALYSIS OF REOPERATIONS AND RISK FACTORS FOR RESTENOSIS AFTER CORRECTION OF DISCRETE SUBAORTIC STENOSIS IN CHILDREN
https://doi.org/10.29001/2073-8552-2016-31-4-55-60
Abstract
The article presents the analysis of reinterventions and risk factors for development of restenosis after surgical correction of discrete subaortic stenoses. From 2003 to 2013, 163 patients (age ranging from 3 months to 18 years) with discrete subaortic obstruction underwent primary surgical treatment. The hospital mortality was 1.2%. The follow up period lasted for 62.2±48.1 months and was documented in 134 patients of 161 (83.2%). Residual obstruction was observed in 12.7% (n=17) of patients. Reoperations were required in 13 children (9.7%). Median from initial surgery to reintervention was 52 (interquartile range of 31–98) months. The rate of freedom for restenosis was 80% at 98 months postoperatively (standard error of 0.05). Risk factors for restenosis included the younger age of patients and smaller surface area of a body at the time of primary operation, adhesion of subaortic membrane to the aortic valve, and high pressure gradient at the left ventricle outflow tract immediately after surgery when using various statistical tests.
About the Authors
K. A. Nalimov
Federal Center of Cardiovascular Surgery
Russian Federation
Russian Federation
Ju. N. Gorbatyh
Federal State Budgetary Institution “Novosibirsk Research Institute of Circulation Pathology n.a. acad. E.N. Meshalkin”
Russian Federation
Russian Federation
V. Ju. Bondar
Federal Center of Cardiovascular Surgery
Russian Federation
Russian Federation
A. S. Il’in
Federal Center of Cardiovascular Surgery
Russian Federation
Russian Federation
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Review
For citations:
Nalimov K.A., Gorbatyh J.N., Bondar V.J., Il’in A.S. ANALYSIS OF REOPERATIONS AND RISK FACTORS FOR RESTENOSIS AFTER CORRECTION OF DISCRETE SUBAORTIC STENOSIS IN CHILDREN. Siberian Journal of Clinical and Experimental Medicine. 2016;31(4):55-60. (In Russ.) https://doi.org/10.29001/2073-8552-2016-31-4-55-60
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