alexa Stenting Of Branch Pulmonary Artery Stenosis After Surgical Correction In Children Under 14 Kg
ISSN: 2329-6607

Cardiovascular Pharmacology: Open Access
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11th World Congress on Pediatric Cardiology and Congenital Cardiovascular Disease
April 18-19, 2017 London, UK

S U Kadirova, F F Ing, S A Alimbaev, Yu V Pya, A A Musaev, D V Gorbunov, T V Ivanova-Razumova and G Kh Momanova
National Research Center for Cardiac Surgery, Kazakhstan
Children’s Hospital Los Angeles, USA
Posters & Accepted Abstracts: Cardiovasc Pharm
DOI: 10.4172/2329-6607-C1-003
Abstract
Background & Purpose: In infants and young children with congenital heart disease, post-operative branch pulmonary artery stenosis is a major cause of morbidity and mortality. While angioplasty is a standard treatment option, high rates of restenosis is reported. We report our experience of using stents to treat branch pulmonary artery stenosis in small children (<14 kg). Materials & Methods: From November 2014 to December 2016, percutaneous stent implantation was performed in 15 small children (10 males and 5 females) with mean weight of 9.6±3.3 kg (2.2 kg-13.9 kg), mean age 2.2±1.5 years (1.5 month-5 years). Stents used included the Valeo Vascular stent, Palmaz Genesis XD, and genesis stent pre-mounted on OPTA PRO via 6 Fr-8 Fr Cook sheath. One patient had a left pulmonary artery occlusion; other 14 patients had pulmonary artery ostial and proximal stenosis after cardiac surgery. Results: Interventional correction was successful for all 15 patients. Valeo Vascular stents were implanted in 10 patients, Palmaz Genesis XD stents in 4, and Genesis stent pre-mounted on OPTA PRO in 1. One patient required a second stent due to residual ostial stenosis. The minimum diameter post stent increased from 2.6±1.3 mm to 7.5±1.4 mm. Mean right ventricular to pulmonary artery gradient decreased from 62±10.4 mm Hg to 19±4.3 mm Hg. Five infants who required mechanical ventilation prior to stenting was successfully weaned off in 1-3 days. Conclusion: Stent treatment of post-operative branch pulmonary artery stenosis in children under 14 kg is safe and effective, and may shorten mechanical ventilation support post operatively.
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