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29 July 2013

Hybrid approach for closure of muscular ventricular septal defects

Ireneusz HaponiukABCDE, Maciej ChojnickiABDEG, Radoslaw JaworskiABCEF, Mariusz SteffekABEF, Jacek JuscinskiABDF, Mariusz SrokaABCD, Roland FiszerBCD, Aneta SendrowskaBCF, Katarzyna Gierat-HaponiukBEF, Bohdan MaruszewskiADE

DOI: 10.12659/MSM.883985

Med Sci Monit 2013; 19:618-624


The complexity of ventricular septal defects in early infancy led to development of new mini-invasive techniques based on collaboration of cardiac surgeons with interventional cardiologists, called hybrid procedures. Hybrid therapies aim to combine the advantages of surgical and interventional techniques in an effort to reduce the invasiveness. The aim of this study was to present our approach with mVSD patients and initial results in the development of a mini-invasive hybrid procedure in the Gdansk Hybrid Heartlink Programme (GHHP) at the Department of Pediatric Cardiac Surgery, Pomeranian Centre of Traumatology in Gdansk, Poland.
Material and Methods
The group of 11 children with mVSDs was enrolled in GHHP and 6 were finally qualified to hybrid trans-ventricular mVSD device closure. Mean age at time of hybrid procedure was 8.22 months (range: from 2.7 to 17.8 months, SD=5.1) and mean body weight was 6.3 kg (range: from 3.4 to 7.5 kg, SD=1.5).
The implants of choice were Amplatzer VSD Occluder and Amplatzer Duct Occluder II (AGA Med. Corp, USA). The position of the implants was checked carefully before releasing the device with both transesophageal echocardiography and epicardial echocardiography. All patients survived and their general condition improved. No complications occurred. The closure of mVSD was complete in all children.
Hybrid procedures of periventricular muscular VSD closure appear feasible and effective for patients with septal defects with morphology unsuitable for classic surgical or interventional procedures. The modern strategy of joint cardiac surgical and interventional techniques provides the benefits of close cooperation between cardiac surgeon and interventional cardiologist for selected patients in difficult clinical settings.

Keywords: Myocardium - pathology, Heart Septal Defects, Ventricular - ultrasonography, Echocardiography, Transesophageal, Cardiac Surgical Procedures - methods, Poland

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Medical Science Monitor eISSN: 1643-3750